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href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.0%20%E7%BC%96%E7%A8%8B%E5%85%A5%E9%97%A8%E4%B9%8B%E9%81%93.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.0 编程入门之道</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.1%E8%AF%A5%E4%BD%BF%E7%94%A8%E5%93%AA%E4%B8%AA%E7%BC%96%E8%BE%91%E5%99%A8%EF%BC%9F%EF%BC%9F%EF%BC%9F.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.1该使用哪个编辑器???</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1 collapsible collapsed" data-v-edd2eed8 data-v-edd2eed8><div class="item" role="button" tabindex="0" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><h3 class="text" data-v-edd2eed8>3.2算法杂谈</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-edd2eed8><span class="vpi-chevron-right caret-icon" data-v-edd2eed8></span></div></div><div class="items" data-v-edd2eed8><!--[--><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.2%E7%AE%97%E6%B3%95%E6%9D%82%E8%B0%88.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.2算法杂谈</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.2.1%E6%89%8B%E6%8A%8A%E6%89%8B%E6%95%99%E4%BD%A0%E5%AD%A6%E7%AE%97%E6%B3%95%E2%80%94%E2%80%94%E5%A6%82%E4%BD%95%E4%BD%BF%E7%94%A8OJ%EF%BC%88Online%20Judge%EF%BC%89.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.2.1手把手教你学算法——如何使用OJOnline Judge</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.2.2ACM%20%E7%AB%9E%E8%B5%9B%E4%BB%8E%E5%85%A5%E9%97%A8%E5%88%B0%E5%85%A5%E5%9D%9F.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.2.2ACM 竞赛从入门到入坟</p><!--]--></a><!----></div><!----></div><!--]--></div></section><div class="VPSidebarItem level-1 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.3%E5%A6%82%E4%BD%95%E9%80%89%E6%8B%A9%E7%BC%96%E7%A8%8B%E8%AF%AD%E8%A8%80.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.3如何选择编程语言</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1 collapsible has-active" data-v-edd2eed8 data-v-edd2eed8><div class="item" role="button" tabindex="0" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><h3 class="text" data-v-edd2eed8>3.4C语言</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-edd2eed8><span class="vpi-chevron-right caret-icon" data-v-edd2eed8></span></div></div><div class="items" data-v-edd2eed8><!--[--><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4C%E8%AF%AD%E8%A8%80.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4C语言</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.1FAQ%EF%BC%9A%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.1FAQ:常见问题</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.2%E7%94%A8%E4%BB%80%E4%B9%88%E5%86%99%20C%20%E8%AF%AD%E8%A8%80.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.2用什么写 C 语言</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.3%E8%A7%A3%E5%86%B3%E7%BC%96%E7%A8%8B%E9%97%AE%E9%A2%98%E7%9A%84%E6%99%AE%E9%80%82%E6%80%A7%E8%BF%87%E7%A8%8B.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.3解决编程问题的普适性过程</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.4C%E8%AF%AD%E8%A8%80%E5%89%8D%E7%BD%AE%E6%A6%82%E5%BF%B5%E5%AD%A6%E4%B9%A0.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.4C语言前置概念学习</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-2 collapsible collapsed" data-v-edd2eed8 data-v-edd2eed8><div class="item" role="button" tabindex="0" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><h4 class="text" data-v-edd2eed8>3.4.5阶段一:编程属性</h4><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-edd2eed8><span class="vpi-chevron-right caret-icon" data-v-edd2eed8></span></div></div><div class="items" data-v-edd2eed8><!--[--><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.5%E9%98%B6%E6%AE%B5%E4%B8%80%EF%BC%9A%E7%BC%96%E7%A8%8B%E5%B1%9E%E6%80%A7.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.5阶段一:编程属性</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.5.1C%E8%AF%AD%E8%A8%80%E8%87%AA%E6%B5%8B%E6%A0%87%E5%87%86%E2%80%94%E2%80%94%E9%93%BE%E8%A1%A8.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.5.1C语言自测标准——链表</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-2 collapsible has-active" data-v-edd2eed8 data-v-edd2eed8><div class="item" role="button" tabindex="0" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><h4 class="text" data-v-edd2eed8>3.4.6阶段二文字冒险cool</h4><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-edd2eed8><span class="vpi-chevron-right caret-icon" data-v-edd2eed8></span></div></div><div class="items" data-v-edd2eed8><!--[--><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6%E9%98%B6%E6%AE%B5%E4%BA%8C%EF%BC%9A%E6%96%87%E5%AD%97%E5%86%92%E9%99%A9%EF%BC%88cool%EF%BC%89.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6阶段二文字冒险cool</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.1.%E5%BC%80%E5%A7%8B%E5%86%92%E9%99%A9.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.1.开始冒险</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.2.%E6%8E%A2%E7%B4%A2%E6%9C%AA%E7%9F%A5.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.2.探索未知</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.3.%E6%8C%87%E6%98%8E%E5%9C%B0%E7%82%B9.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.3.指明地点</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.4.%E5%88%9B%E5%BB%BA%E5%AF%B9%E8%B1%A1.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.4.创建对象</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.5.%E6%8D%A1%E8%B5%B7%E7%89%A9%E5%93%81.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.5.捡起物品</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.6.%E7%BB%98%E5%88%B6%E5%9C%B0%E5%9B%BE.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.6.绘制地图</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.7.%E5%A2%9E%E5%A4%A7%E8%B7%9D%E7%A6%BB.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.7.增大距离</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.8.%E7%A7%BB%E5%8A%A8%E6%96%B9%E5%90%91.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.8.移动方向</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.9.%E7%BB%83%E4%B9%A0%EF%BC%9A%E7%94%9F%E6%88%90%E4%BB%A3%E7%A0%81.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.9.练习:生成代码</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.10.%E5%A2%9E%E6%B7%BB%E5%B1%9E%E6%80%A7.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.10.增添属性</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.11.%E8%AE%BE%E7%BD%AE%E6%9D%A1%E4%BB%B6.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.11.设置条件</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.12.%E5%BC%80%E5%90%AF%E5%85%B3%E9%97%AD.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.12.开启关闭</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.13.%E7%BC%96%E5%86%99%E8%A7%A3%E6%9E%90%E5%99%A8.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.13.编写解析器</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.14.%E4%B8%B0%E5%AF%8C%E5%91%BD%E4%BB%A4.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.14.丰富命令</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.15.%E8%B5%8B%E4%BA%88%E6%98%8E%E6%9A%97.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.15.赋予明暗</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.16.%E7%BB%93%E8%AF%AD%EF%BC%9A%E4%BD%A0%E7%BB%88%E5%B0%86%E8%87%AA%E7%94%B1.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.6.16.结语:你终将自由</p><!--]--></a><!----></div><!----></div><!--]--></div></section><section class="VPSidebarItem level-2 collapsible collapsed" data-v-edd2eed8 data-v-edd2eed8><div class="item" role="button" tabindex="0" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><h4 class="text" data-v-edd2eed8>3.4.7C基础知识杂谈</h4><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-edd2eed8><span class="vpi-chevron-right caret-icon" data-v-edd2eed8></span></div></div><div class="items" data-v-edd2eed8><!--[--><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.7C%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86%E6%9D%82%E8%B0%88.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.7C基础知识杂谈</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.7.1GDB%E5%88%9D%E6%8E%A2%E7%B4%A2%EF%BC%88%E7%BC%96%E7%A8%8B%E5%8F%AF%E9%98%85%E8%A7%88%EF%BC%89.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.7.1GDB初探索(编程可阅览)</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.7.1.1%E8%B0%83%E8%AF%95%E7%90%86%E8%AE%BA.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.7.1.1调试理论</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.7.2C%E7%9A%84%E5%8E%86%E5%8F%B2%E9%97%AE%E9%A2%98%EF%BC%9Aundefined%20behavior.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.7.2C的历史问题undefined behavior</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.7.3C%E7%BC%96%E8%AF%91%E5%99%A8%E5%B9%B2%E4%BA%86%E4%BB%80%E4%B9%88.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.7.3C编译器干了什么</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-3 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.7.4Inline%20Assembly%E4%B8%8E%E9%93%BE%E6%8E%A5%E5%8A%A0%E8%BD%BD.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.4.7.4Inline Assembly与链接加载</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section><div class="VPSidebarItem level-1 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.5git%E4%B8%8Egithub.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.5git与github</p><!--]--></a><!----></div><!----></div><section class="VPSidebarItem level-1 collapsible collapsed" data-v-edd2eed8 data-v-edd2eed8><div class="item" role="button" tabindex="0" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><h3 class="text" data-v-edd2eed8>3.6Python(灵巧的胶水)</h3><div class="caret" role="button" aria-label="toggle section" tabindex="0" data-v-edd2eed8><span class="vpi-chevron-right caret-icon" data-v-edd2eed8></span></div></div><div class="items" data-v-edd2eed8><!--[--><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.6Python%EF%BC%88%E7%81%B5%E5%B7%A7%E7%9A%84%E8%83%B6%E6%B0%B4%EF%BC%89.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.6Python(灵巧的胶水)</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.6.1%E4%BB%8ECS61A%E7%9C%8B%E7%BC%96%E7%A8%8B%E8%AF%AD%E8%A8%80%E5%AD%A6%E4%B9%A0.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.6.1从CS61A看编程语言学习</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" 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data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.Y.6Vim初探索</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-edd2eed8 data-v-edd2eed8><div class="item" data-v-edd2eed8><div class="indicator" data-v-edd2eed8></div><a class="VPLink link link" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.Y.7linux%E5%B0%8F%E4%BB%BB%E5%8A%A1.html" data-v-edd2eed8><!--[--><p class="text" data-v-edd2eed8>3.Y.7linux小任务</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-d8b57b2d data-v-9a6c75ad><div class="VPDoc has-sidebar has-aside" data-v-9a6c75ad data-v-e6f2a212><!--[--><!--]--><div class="container" data-v-e6f2a212><div class="aside" data-v-e6f2a212><div class="aside-curtain" 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_%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)_3_%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA_3_4_6_15_%E8%B5%8B%E4%BA%88%E6%98%8E%E6%9A%97 external-link-icon-enabled" data-v-e6f2a212><div><h1 id="_15-赋予明暗" tabindex="-1">15.赋予明暗 <a class="header-anchor" href="#_15-赋予明暗" aria-label="Permalink to &quot;15.赋予明暗&quot;"></a></h1><p>在许多冒险中,灯是一个重要的物品。没有它,你就无法穿越前方的黑暗洞穴。</p><p>在黑暗中的效果因游戏而异。通常情况下,它使命令 &quot;look &quot;没有效果。在一些游戏中(如 Zork黑暗是致命的。在其他游戏中只要你画出了黑暗区域的详细地图在没有光源的情况下你仍然可以取得进展。</p><p>我们的游戏将保持在这两者之间;在黑暗中不会让你被杀,但你也不能进入任何通道 (具有光亮的通道将是一个例外)。对我们来说,让玩家跑进一个黑暗的区域,而没有不让他机会回到他来的地方,似乎是不公平的。</p><p>好吧,所以首先,我们来设计在黑暗中玩家无法看到周围环境。</p><h2 id="location-c" tabindex="-1">location.c <a class="header-anchor" href="#location-c" aria-label="Permalink to &quot;location.c&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdbool.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdio.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;object.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;misc.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;match.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;noun.h&quot;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeLookAround</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player-&gt;location))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You are in </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, player-&gt;location-&gt;description);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;It is very dark in here.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> listObjectsAtLocation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player-&gt;location);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeLook</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getVisible</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;what you want to look at&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">params</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> switch</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getDistance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player, obj))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHereContained:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Hard to see, try to get it first.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distOverthere:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Too far away, move closer please.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distNotHere:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You don&#39;t see any </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> here.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">params</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distUnknownObject:</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // already handled by getVisible</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> default</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, obj</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-&gt;</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">details</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> listObjectsAtLocation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> movePlayer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">passage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, passage-&gt;textGo);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (passage-&gt;destination </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> player-&gt;location </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> passage-&gt;destination;</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeLookAround</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeGo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getVisible</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;where you want to go&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">params</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> switch</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getDistance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player, obj))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distOverthere:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> movePlayer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getPassage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-&gt;</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">location</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, obj));</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distNotHere:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You don&#39;t see any </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> here.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">params</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distUnknownObject:</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // already handled by getVisible</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> break</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> default</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> movePlayer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>其次,在黑暗中玩家无法看到或使用附近的物体。</p><h2 id="noun-c" tabindex="-1">noun.c <a class="header-anchor" href="#noun-c" aria-label="Permalink to &quot;noun.c&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdbool.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdio.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;string.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;object.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;misc.h&quot;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> objectHasTag</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">obj</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">noun</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (noun </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;&amp;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">noun </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\0</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> **</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">tag;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (tag </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj-&gt;tags; </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">tag </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; tag</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">strcmp</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">tag, noun) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT ambiguousNoun;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">noun</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">from</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, DISTANCE </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">maxDistance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">res </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> objs; obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> endOfObjs; obj</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">objectHasTag</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj, noun) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getDistance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from, obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> maxDistance)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">ambiguousNoun;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getVisible</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">intention</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">noun</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(noun, player, distOverthere);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(noun, player, distNotHere) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;I don&#39;t understand </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, intention);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player-&gt;location))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You don&#39;t see any </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> here.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, noun);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;It&#39;s too dark.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">ambiguousNoun)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Please be specific about which </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> you mean.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, noun);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getPossession</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">from</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">verb</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">noun</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (from </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;I don&#39;t understand who you want to </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, verb);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ((obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(noun, from, distHeldContained)) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(noun, player, distNotHere) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;I don&#39;t understand what you want to </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, verb);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (from </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> player)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You are not holding any </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, noun);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;There appears to be no </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> you can get from </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> noun, from-&gt;description);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">ambiguousNoun)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Please be specific about which </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> you want to </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> noun, verb);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> from)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You should not be doing that to </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, obj-&gt;description);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>在这两种情况下,我们都使用了一个函数 isLit。它在 misc.c 中被定义(并且使用量增多了)。</p><h2 id="misc-h" tabindex="-1">misc.h <a class="header-anchor" href="#misc-h" aria-label="Permalink to &quot;misc.h&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">typedef</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> enum</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distSelf,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHeld,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHeldContained,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distLocation,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHere,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHereContained,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distOverthere,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distNotHere,</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distUnknownObject</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">} DISTANCE;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">container</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">obj</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">location</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getPassage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">from</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> DISTANCE </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getDistance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">from</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">actorHere</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> int</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> listObjectsAtLocation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">location</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><h2 id="misc-c" tabindex="-1">misc.c <a class="header-anchor" href="#misc-c" aria-label="Permalink to &quot;misc.c&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdbool.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdio.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;object.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;misc.h&quot;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">container</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">obj</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> validObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj-&gt;location </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> container;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">target</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">//检测光亮</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">validObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(target))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (target-&gt;light </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&gt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> objs; obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> endOfObjs; obj</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">validObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj-&gt;light </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&gt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;&amp;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(target, obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">||</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(target, obj-&gt;location)))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isNoticeable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">obj</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj-&gt;location </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> player </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">||</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">||</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj-&gt;prospect) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">||</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player-&gt;location);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getPassage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">from</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (from </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;&amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> to </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> objs; obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> endOfObjs; obj</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from, obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj-&gt;prospect </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> to)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">DISTANCE </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getDistance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">from</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> to </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distUnknownObject </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> !</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">validObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(to) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distNotHere </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> to </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> from </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distSelf </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from, to) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHeld </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> !</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isNoticeable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(to) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distNotHere </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(to, from) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distLocation </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from-&gt;location, to) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHere </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from, to-&gt;location) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHeldContained </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from-&gt;location, to-&gt;location) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distHereContained </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getPassage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from-&gt;location, to) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distOverthere </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> distNotHere;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">actorHere</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> objs; obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> endOfObjs; obj</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player-&gt;location, obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> player </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isNoticeable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj-&gt;health </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&gt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">int</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> listObjectsAtLocation</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">location</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> int</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> objs; obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> endOfObjs; obj</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> player </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isHolding</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(location, obj) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isNoticeable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (count</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, location-&gt;contents);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, obj-&gt;description);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>注意:</p><ul><li>isLit 将被用来检查一个给定的位置是亮还是暗,但是,仅仅检查位置的属性光线是不够的,因为位置可能被一盏灯照亮。</li><li>isNoticeable 函数相比 isLit 更进一步。它对每个物体都有效,而不仅仅是地点和灯。它还考虑到玩家库存中的物体总是可以被使用,即使是在黑暗中。</li><li>第 60 行:附近的物体仍然隐藏在黑暗中,被视为&#39;不在这里&#39;。这自然可以防止游戏泄露玩家不应该知道的物体的信息。</li></ul><div class="warning custom-block"><p class="custom-block-title">🤔 思考题:你还能想到那哪些可以改进的地方吗?</p></div><p>我们为实现 isLit 函数的功能从而使用了一个新的属性 light。</p><h2 id="object-awk" tabindex="-1">object.awk <a class="header-anchor" href="#object-awk" aria-label="Permalink to &quot;object.awk&quot;"></a></h2><div class="language-awk vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">awk</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">BEGIN</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;c2&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">static bool alwaysTrue(void) { return true; }&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">OBJECT objs[] = {&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">/^-</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> /</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> outputRecord(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;condition&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;alwaysTrue&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;description&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;NULL&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;tags&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;location&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;NULL&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;destination&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;NULL&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;prospect&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;details&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">You see nothing special.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;contents&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">You see</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;textGo&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">You can&#39;t get much closer than this.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;weight&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;99&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;capacity&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;0&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;health&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;0&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;light&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;0&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;open&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;cannotBeOpened&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;close&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;cannotBeClosed&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;lock&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;cannotBeLocked&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;unlock&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;cannotBeUnlocked&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> /^[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> \t</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]+[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">a</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">z</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]/</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> name </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $1</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (name </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">in</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop) {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">name</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">/^[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> \t</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">\{</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">/</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">name</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> name count;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;c1&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;static bool &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">name</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;(void) &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;c2&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;#error </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> FILENAME</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot; line &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NR</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;: unknown attribute &#39;&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> name </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;&#39;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\&quot;</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&amp;&amp;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">/^</span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">#include/ ? &quot;c1&quot; : &quot;h&quot;) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">END</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> outputRecord(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">};&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;h&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">#define endOfObjs</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">(objs + &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;)&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">#define validObject(obj)</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> \</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;((obj) != NULL &amp;&amp; (*(obj)-&gt;condition)())&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">function</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> outputRecord</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(separator)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;h&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;#define &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">(objs + &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;)&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;c1&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;static const char *tags&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;[] = {&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;tags&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;, NULL};&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (pass </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;c2&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">/* &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; = &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; */&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;condition&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;description&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">tags&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;location&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;destination&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;prospect&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ?</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;prospect&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> :</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;destination&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;details&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;contents&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;textGo&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;weight&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;capacity&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;health&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;light&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;open&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;close&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;lock&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;,&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;unlock&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> separator;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> delete</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> prop;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> count</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>默认情况下,亮度为零意味着一个物体不发光。在大白天的每一个地点(通常是除了地下的所有地点)都会被赋予一个正 (大于 0) 的光线值。其实是什么值并不重要,只要它不是零就可以了。我们还将添加一盏灯,玩家可以携带它来穿越黑暗区域。</p><h2 id="object-txt" tabindex="-1">object.txt <a class="header-anchor" href="#object-txt" aria-label="Permalink to &quot;object.txt&quot;"></a></h2><div class="language-txt vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">txt</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span>#include &lt;stdbool.h&gt;</span></span>
<span class="line"><span>#include &lt;stdio.h&gt;</span></span>
<span class="line"><span>#include &quot;object.h&quot;</span></span>
<span class="line"><span>#include &quot;toggle.h&quot;</span></span>
<span class="line"><span></span></span>
<span class="line"><span>typedef struct object {</span></span>
<span class="line"><span> bool (*condition)(void);</span></span>
<span class="line"><span> const char *description;</span></span>
<span class="line"><span> const char **tags;</span></span>
<span class="line"><span> struct object *location;</span></span>
<span class="line"><span> struct object *destination;</span></span>
<span class="line"><span> struct object *prospect;</span></span>
<span class="line"><span> const char *details;</span></span>
<span class="line"><span> const char *contents;</span></span>
<span class="line"><span> const char *textGo;</span></span>
<span class="line"><span> int weight;</span></span>
<span class="line"><span> int capacity;</span></span>
<span class="line"><span> int health;</span></span>
<span class="line"><span> int light;</span></span>
<span class="line"><span> void (*open)(void);</span></span>
<span class="line"><span> void (*close)(void);</span></span>
<span class="line"><span> void (*lock)(void);</span></span>
<span class="line"><span> void (*unlock)(void);</span></span>
<span class="line"><span>} OBJECT;</span></span>
<span class="line"><span></span></span>
<span class="line"><span>extern OBJECT objs[];</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- field</span></span>
<span class="line"><span> description &quot;an open field&quot;</span></span>
<span class="line"><span> tags &quot;field&quot;</span></span>
<span class="line"><span> details &quot;The field is a nice and quiet place under a clear blue sky.&quot;</span></span>
<span class="line"><span> capacity 9999</span></span>
<span class="line"><span> light 100</span></span>
<span class="line"><span> //到目前为止,场地是唯一有 &quot;自然 &quot;光线的地方。</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- cave</span></span>
<span class="line"><span> description &quot;a little cave&quot;</span></span>
<span class="line"><span> tags &quot;cave&quot;</span></span>
<span class="line"><span> details &quot;The cave is just a cold, damp, rocky chamber.&quot;</span></span>
<span class="line"><span> capacity 9999</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- silver</span></span>
<span class="line"><span> description &quot;a silver coin&quot;</span></span>
<span class="line"><span> tags &quot;silver&quot;, &quot;coin&quot;, &quot;silver coin&quot;</span></span>
<span class="line"><span> location field</span></span>
<span class="line"><span> details &quot;The coin has an eagle on the obverse.&quot;</span></span>
<span class="line"><span> weight 1</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- gold</span></span>
<span class="line"><span> description &quot;a gold coin&quot;</span></span>
<span class="line"><span> tags &quot;gold&quot;, &quot;coin&quot;, &quot;gold coin&quot;</span></span>
<span class="line"><span> location openBox</span></span>
<span class="line"><span> details &quot;The shiny coin seems to be a rare and priceless artefact.&quot;</span></span>
<span class="line"><span> weight 1</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- guard</span></span>
<span class="line"><span> description &quot;a burly guard&quot;</span></span>
<span class="line"><span> tags &quot;guard&quot;, &quot;burly guard&quot;</span></span>
<span class="line"><span> location field</span></span>
<span class="line"><span> details &quot;The guard is a really big fellow.&quot;</span></span>
<span class="line"><span> contents &quot;He has&quot;</span></span>
<span class="line"><span> health 100</span></span>
<span class="line"><span> capacity 20</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- player</span></span>
<span class="line"><span> description &quot;yourself&quot;</span></span>
<span class="line"><span> tags &quot;yourself&quot;</span></span>
<span class="line"><span> location field</span></span>
<span class="line"><span> details &quot;You would need a mirror to look at yourself.&quot;</span></span>
<span class="line"><span> contents &quot;You have&quot;</span></span>
<span class="line"><span> health 100</span></span>
<span class="line"><span> capacity 20</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- intoCave</span></span>
<span class="line"><span> condition { return guard-&gt;health == 0 || silver-&gt;location == guard; }</span></span>
<span class="line"><span> description &quot;a cave entrance to the east&quot;</span></span>
<span class="line"><span> tags &quot;east&quot;, &quot;entrance&quot;</span></span>
<span class="line"><span> location field</span></span>
<span class="line"><span> destination cave</span></span>
<span class="line"><span> details &quot;The entrance is just a narrow opening in a small outcrop.&quot;</span></span>
<span class="line"><span> textGo &quot;You walk into the cave.&quot;</span></span>
<span class="line"><span> open isAlreadyOpen</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- intoCaveBlocked</span></span>
<span class="line"><span> condition { return guard-&gt;health &gt; 0 &amp;&amp; silver-&gt;location != guard; }</span></span>
<span class="line"><span> description &quot;a cave entrance to the east&quot;</span></span>
<span class="line"><span> tags &quot;east&quot;, &quot;entrance&quot;</span></span>
<span class="line"><span> location field</span></span>
<span class="line"><span> prospect cave</span></span>
<span class="line"><span> details &quot;The entrance is just a narrow opening in a small outcrop.&quot;</span></span>
<span class="line"><span> textGo &quot;The guard stops you from walking into the cave.&quot;</span></span>
<span class="line"><span> open isAlreadyOpen</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- exitCave</span></span>
<span class="line"><span> description &quot;an exit to the west&quot;</span></span>
<span class="line"><span> tags &quot;west&quot;, &quot;exit&quot;</span></span>
<span class="line"><span> location cave</span></span>
<span class="line"><span> destination field</span></span>
<span class="line"><span> details &quot;Sunlight pours in through an opening in the cave&#39;s wall.&quot;</span></span>
<span class="line"><span> textGo &quot;You walk out of the cave.&quot;</span></span>
<span class="line"><span> open isAlreadyOpen</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- wallField</span></span>
<span class="line"><span> description &quot;dense forest all around&quot;</span></span>
<span class="line"><span> tags &quot;west&quot;, &quot;north&quot;, &quot;south&quot;, &quot;forest&quot;</span></span>
<span class="line"><span> location field</span></span>
<span class="line"><span> details &quot;The field is surrounded by trees and undergrowth.&quot;</span></span>
<span class="line"><span> textGo &quot;Dense forest is blocking the way.&quot;</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- wallCave</span></span>
<span class="line"><span> description &quot;solid rock all around&quot;</span></span>
<span class="line"><span> tags &quot;east&quot;, &quot;north&quot;, &quot;rock&quot;</span></span>
<span class="line"><span> location cave</span></span>
<span class="line"><span> details &quot;Carved in stone is a secret password &#39;abccb&#39;.&quot;</span></span>
<span class="line"><span> textGo &quot;Solid rock is blocking the way.&quot;</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- backroom</span></span>
<span class="line"><span> description &quot;a backroom&quot;</span></span>
<span class="line"><span> tags &quot;backroom&quot;</span></span>
<span class="line"><span> details &quot;The room is dusty and messy.&quot;</span></span>
<span class="line"><span> capacity 9999</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- wallBackroom</span></span>
<span class="line"><span> description &quot;solid rock all around&quot;</span></span>
<span class="line"><span> tags &quot;east&quot;, &quot;west&quot;, &quot;south&quot;, &quot;rock&quot;</span></span>
<span class="line"><span> location backroom</span></span>
<span class="line"><span> details &quot;Trendy wallpaper covers the rock walls.&quot;</span></span>
<span class="line"><span> textGo &quot;Solid rock is blocking the way.&quot;</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- openDoorToBackroom</span></span>
<span class="line"><span> description &quot;an open door to the south&quot;</span></span>
<span class="line"><span> tags &quot;south&quot;, &quot;door&quot;, &quot;doorway&quot;</span></span>
<span class="line"><span> destination backroom</span></span>
<span class="line"><span> details &quot;The door is open.&quot;</span></span>
<span class="line"><span> textGo &quot;You walk through the door into a backroom.&quot;</span></span>
<span class="line"><span> open isAlreadyOpen</span></span>
<span class="line"><span> close toggleDoorToBackroom</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- closedDoorToBackroom</span></span>
<span class="line"><span> description &quot;a closed door to the south&quot;</span></span>
<span class="line"><span> tags &quot;south&quot;, &quot;door&quot;, &quot;doorway&quot;</span></span>
<span class="line"><span> location cave</span></span>
<span class="line"><span> prospect backroom</span></span>
<span class="line"><span> details &quot;The door is closed.&quot;</span></span>
<span class="line"><span> textGo &quot;The door is closed.&quot;</span></span>
<span class="line"><span> open toggleDoorToBackroom</span></span>
<span class="line"><span> close isAlreadyClosed</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- openDoorToCave</span></span>
<span class="line"><span> description &quot;an open door to the north&quot;</span></span>
<span class="line"><span> tags &quot;north&quot;, &quot;door&quot;, &quot;doorway&quot;</span></span>
<span class="line"><span> destination cave</span></span>
<span class="line"><span> details &quot;The door is open.&quot;</span></span>
<span class="line"><span> textGo &quot;You walk through the door into the cave.&quot;</span></span>
<span class="line"><span> open isAlreadyOpen</span></span>
<span class="line"><span> close toggleDoorToCave</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- closedDoorToCave</span></span>
<span class="line"><span> description &quot;a closed door to the north&quot;</span></span>
<span class="line"><span> tags &quot;north&quot;, &quot;door&quot;, &quot;doorway&quot;</span></span>
<span class="line"><span> location backroom</span></span>
<span class="line"><span> prospect cave</span></span>
<span class="line"><span> details &quot;The door is closed.&quot;</span></span>
<span class="line"><span> textGo &quot;The door is closed.&quot;</span></span>
<span class="line"><span> open toggleDoorToCave</span></span>
<span class="line"><span> close isAlreadyClosed</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- openBox</span></span>
<span class="line"><span> description &quot;a wooden box&quot;</span></span>
<span class="line"><span> tags &quot;box&quot;, &quot;wooden box&quot;</span></span>
<span class="line"><span> details &quot;The box is open.&quot;</span></span>
<span class="line"><span> weight 5</span></span>
<span class="line"><span> capacity 10</span></span>
<span class="line"><span> open isAlreadyOpen</span></span>
<span class="line"><span> close toggleBox</span></span>
<span class="line"><span> lock isStillOpen</span></span>
<span class="line"><span> unlock isAlreadyOpen</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- closedBox</span></span>
<span class="line"><span> description &quot;a wooden box&quot;</span></span>
<span class="line"><span> tags &quot;box&quot;, &quot;wooden box&quot;</span></span>
<span class="line"><span> details &quot;The box is closed.&quot;</span></span>
<span class="line"><span> weight 5</span></span>
<span class="line"><span> open toggleBox</span></span>
<span class="line"><span> close isAlreadyClosed</span></span>
<span class="line"><span> lock toggleBoxLock</span></span>
<span class="line"><span> unlock isAlreadyUnlocked</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- lockedBox</span></span>
<span class="line"><span> description &quot;a wooden box&quot;</span></span>
<span class="line"><span> tags &quot;box&quot;, &quot;wooden box&quot;</span></span>
<span class="line"><span> location backroom</span></span>
<span class="line"><span> details &quot;The box is closed.&quot;</span></span>
<span class="line"><span> weight 5</span></span>
<span class="line"><span> open isStillLocked</span></span>
<span class="line"><span> close isAlreadyClosed</span></span>
<span class="line"><span> lock isAlreadyLocked</span></span>
<span class="line"><span> unlock toggleBoxLock</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- keyForBox</span></span>
<span class="line"><span> description &quot;a tiny key&quot;</span></span>
<span class="line"><span> tags &quot;key&quot;, &quot;tiny key&quot;</span></span>
<span class="line"><span> location cave</span></span>
<span class="line"><span> details &quot;The key is really small and shiny.&quot;</span></span>
<span class="line"><span> weight 1</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- lampOff</span></span>
<span class="line"><span> description &quot;a lamp&quot;</span></span>
<span class="line"><span> tags &quot;lamp&quot;</span></span>
<span class="line"><span> location field</span></span>
<span class="line"><span> details &quot;The lamp is off.&quot;</span></span>
<span class="line"><span> weight 5</span></span>
<span class="line"><span></span></span>
<span class="line"><span>- lampOn</span></span>
<span class="line"><span> description &quot;a lamp&quot;</span></span>
<span class="line"><span> tags &quot;lamp&quot;</span></span>
<span class="line"><span> details &quot;The lamp is on.&quot;</span></span>
<span class="line"><span> weight 5</span></span>
<span class="line"><span> light 100</span></span></code></pre></div><p>注意:对于灯,我们实际上有两个对象:打开的灯和关闭的灯,但玩家一次只能看到一个。它们一起作为一个单一的项目。</p><p>我们将添加一些命令,我们可以用来打开和关闭灯。</p><h2 id="parsexec-c" tabindex="-1">parsexec.c <a class="header-anchor" href="#parsexec-c" aria-label="Permalink to &quot;parsexec.c&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;ctype.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdbool.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdio.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;object.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;misc.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;match.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;location.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;inventory.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;inventory2.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;openclose.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;onoff.h&quot;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">typedef</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> struct</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">pattern;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">function)(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">} COMMAND;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeQuit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> false</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeNoMatch</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">src </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">params;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> int</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> len;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (len </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">src</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[len] </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\0</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> &amp;&amp;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> !</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isspace</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">src</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[len]); len</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (len </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&gt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;I don&#39;t know how to &#39;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%.*s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, len, src);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> parseAndExecute</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">input</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> COMMAND commands</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;quit&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeQuit },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;look&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeLookAround },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;look around&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeLookAround },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;look at A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeLook },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;look A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeLook },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;examine A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeLook },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;go to A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeGo },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;go A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeGo },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;get A from B&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeGetFrom },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;get A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeGet },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;put A in B&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executePutIn },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;drop A in B&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executePutIn },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;drop A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeDrop },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;ask A from B&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeAskFrom },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;ask A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeAsk },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;give A to B&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeGiveTo },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;give A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeGive },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;inventory&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeInventory },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;open A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeOpen },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;close A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeClose },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;lock A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeLock },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;unlock A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeUnlock },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;turn on A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeTurnOn },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;turn off A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeTurnOff },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;turn A on&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeTurnOn },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;turn A off&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeTurnOff },</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;A&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> , executeNoMatch }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> COMMAND </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">cmd;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (cmd </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> commands; </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">matchCommand</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(input, cmd-&gt;pattern); cmd</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">++</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">cmd-&gt;function)();</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span></code></pre></div><p>下面是这些命令的实现。</p><h2 id="onoff-h" tabindex="-1">onoff.h <a class="header-anchor" href="#onoff-h" aria-label="Permalink to &quot;onoff.h&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeTurnOn</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeTurnOff</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><h2 id="onoff-c" tabindex="-1">onoff.c <a class="header-anchor" href="#onoff-c" aria-label="Permalink to &quot;onoff.c&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdbool.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdio.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;object.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;match.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;reach.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;toggle.h&quot;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeTurnOn</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> reachableObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;what you want to turn on&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">params</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> lampOff)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleLamp</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> lampOn </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;The lamp is already on.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> :</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;You cannot turn that on.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">bool</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeTurnOff</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> reachableObject</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;what you want to turn off&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">params</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> lampOn)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleLamp</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> lampOff </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;The lamp is already off.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> :</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;You cannot turn that off.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>为了打开和关闭灯,我们将使用我们用来打开和关闭门和盒子的相同技巧(见第 13 章)。</p><h2 id="toggle-h" tabindex="-1">toggle.h <a class="header-anchor" href="#toggle-h" aria-label="Permalink to &quot;toggle.h&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeOpened</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeClosed</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeLocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeUnlocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyOpen</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyClosed</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyLocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyUnlocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isStillOpen</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isStillLocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleDoorToBackroom</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleDoorToCave</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleBox</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleBoxLock</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">extern</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleLamp</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><h2 id="toggle-c" tabindex="-1">toggle.c <a class="header-anchor" href="#toggle-c" aria-label="Permalink to &quot;toggle.c&quot;"></a></h2><div class="language-c vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">c</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdbool.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &lt;stdio.h&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;object.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;misc.h&quot;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">#include</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;location.h&quot;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">verb1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">obj1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">verb2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">obj2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">tmp </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj1-&gt;location;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> OBJECT </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">*</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> tmp </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj1 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj2;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> const</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> char</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">verb </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> tmp </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ?</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> verb1 </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> verb2;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj1-&gt;location </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj2-&gt;location;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> obj2-&gt;location </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> tmp;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (verb </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">%s</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> %s</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, verb, obj-&gt;description);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeOpened</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That cannot be opened.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeClosed</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That cannot be closed.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeLocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That cannot be locked.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> cannotBeUnlocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That cannot be unlocked.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyOpen</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That is already open.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyClosed</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That is already closed.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyLocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That is already locked.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isAlreadyUnlocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That is already unlocked.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isStillOpen</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That is still open.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isStillLocked</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) { </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;That is locked.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); }</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleDoorToBackroom</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, openDoorToCave, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, closedDoorToCave);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;close&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, openDoorToBackroom, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;open&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, closedDoorToBackroom);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleDoorToCave</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, openDoorToBackroom, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">NULL</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, closedDoorToBackroom);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;close&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, openDoorToCave, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;open&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, closedDoorToCave);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleBox</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;close&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, openBox, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;open&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, closedBox);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleBoxLock</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (keyForBox-&gt;location </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> player)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;lock&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, closedBox, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;unlock&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, lockedBox);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;You don&#39;t have a key.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> toggleLamp</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> bool</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> oldLit </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player-&gt;location);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> swapLocations</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;turn off&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, lampOn, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;turn on&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, lampOff);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (oldLit </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isLit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(player-&gt;location))</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> printf</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> executeLookAround</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>注意:当在黑暗区域打开灯光时,我们立即让玩家看一下周围的环境。这与&#39;go&#39;的命令的行为是一致的:当你把目光投向一个地方时,&#39;look&#39;就会自动执行。</p><p>你可能注意到我们在这里做了同样的事情,当把灯关掉的时候,很明显,这只会返回 &quot;这里很黑&quot;,但这似乎也是一个相关的观察。</p><p>那么,既然我们无论如何都在做 &quot;look around &quot;的工作64~68 中&quot;if &quot;语句的意义何在?好吧,这可以防止在大白天(即在野外)打开或关闭灯时,或在同一房间内任何其他光源仍在工作时,进行无用的 &quot;环顾&quot;</p><p>最后,我们将在我们生成的地图上标记出黑暗的位置。</p><h2 id="map-awk" tabindex="-1">map.awk <a class="header-anchor" href="#map-awk" aria-label="Permalink to &quot;map.awk&quot;"></a></h2><div class="language-awk vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">awk</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">BEGIN</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;digraph map {</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\n\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">node [style=filled]&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">/^-</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> /</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { outputEdges(); obj </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">delete</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> a; }</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">/^[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> \t</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]/</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { a</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">$1</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> $2</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; }</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">END</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { outputEdges(); outputNodes(); </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;}&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">; }</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">function</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> outputEdges</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> color</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">obj</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> a</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;light&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ?</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;white&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> :</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;grey&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> outputEdge(a</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;location&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, a</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;destination&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> outputEdge(a</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;location&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, a</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;prospect&quot;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; [style=dashed]&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">function</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> outputEdge</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(from, to, style)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (to)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> nodes</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">to</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (from)</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> nodes</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">from</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> from </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; -&gt; &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> to style;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">function</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> outputNodes</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> for</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (n </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">in</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> nodes) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">print</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\t</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> n </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot; [fillcolor=&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> color</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">[</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">n</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">]</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;]&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="warning custom-block"><p class="custom-block-title">🤔 思考题:尝试将上面的伪代码用 C 语言实现其功能</p></div><p>玩家们,请注意不要把灯关掉,也不要把它丢掉。如果这样做,那么在黑暗中你将永远无法找回它。换言之,你会被困在黑暗之中!幸运的是,下一章将提供一个撤销笨拙行动的方法。</p><p>输出样例Welcome to Little Cave Adventure. You are in an open field. You see: a silver coin a burly guard a cave entrance to the east dense forestall around a lamp</p><p>--&gt; get lamp You pick up a lamp.</p><p>--&gt; get coin You pick up a silver coin.</p><p>--&gt; give coin You give a silver coin to a burly guard.</p><p>--&gt; go cave You walk into the cave.</p><p>It is very dark here. You see: an exit to the west</p><p>--&gt; get key It&#39;s too dark.</p><p>--&gt; open door It&#39;s too dark.</p><p>--&gt; go south It&#39;s too dark.</p><p>--&gt; turn lamp on You turn on a lamp.</p><p>You are in a little cave. You see: an exit to the west solid rock all around a closed door to the south a tiny key</p><p>--&gt; look around You are in a little cave. You see: an exit to the west solid rock all around a closed door to the south a tiny key</p><p>--&gt; get key You pick up a tiny key.</p><p>--&gt; open door You open a closed door to the south.</p><p>--&gt; go south You walk through the door into a backroom.</p><p>You are in a backroom. You see: solid rock all around an open door to the north a wooden box</p><p>--&gt; quit</p><p>Bye</p></div></div></main><footer class="VPDocFooter" data-v-e6f2a212 data-v-1bcd8184><!--[--><!--]--><div class="edit-info" data-v-1bcd8184><div class="edit-link" data-v-1bcd8184><a class="VPLink link vp-external-link-icon no-icon edit-link-button" href="https://gitea.xinxijishubu.asia/moyin/fzu-product/src/branch/main/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.15.赋予明暗.md" target="_blank" rel="noreferrer" data-v-1bcd8184><!--[--><span class="vpi-square-pen edit-link-icon" data-v-1bcd8184></span> 在 Gitea 上修改此页<!--]--></a></div><!----></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-1bcd8184><span class="visually-hidden" id="doc-footer-aria-label" data-v-1bcd8184>Pager</span><div class="pager" data-v-1bcd8184><a class="VPLink link pager-link prev" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.14.%E4%B8%B0%E5%AF%8C%E5%91%BD%E4%BB%A4.html" data-v-1bcd8184><!--[--><span class="desc" data-v-1bcd8184>上一小节</span><span class="title" data-v-1bcd8184>3.4.6.14.丰富命令</span><!--]--></a></div><div class="pager" data-v-1bcd8184><a class="VPLink link pager-link next" href="/%E6%8A%80%E6%9C%AF%E8%B5%84%E6%BA%90%E6%B1%87%E6%80%BB(%E6%9D%AD%E7%94%B5%E6%94%AF%E6%8C%81%E7%89%88)/3.%E7%BC%96%E7%A8%8B%E6%80%9D%E7%BB%B4%E4%BD%93%E7%B3%BB%E6%9E%84%E5%BB%BA/3.4.6.16.%E7%BB%93%E8%AF%AD%EF%BC%9A%E4%BD%A0%E7%BB%88%E5%B0%86%E8%87%AA%E7%94%B1.html" data-v-1bcd8184><!--[--><span class="desc" data-v-1bcd8184>下一小节</span><span class="title" data-v-1bcd8184>3.4.6.16.结语:你终将自由</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-d8b57b2d data-v-566314d4><div class="container" data-v-566314d4><p class="message" data-v-566314d4>Made with ❤️ by ALL 协作者</p><p class="copyright" data-v-566314d4>Copyright © 2023-present Evan You && ALL 协作者</p></div></footer><!--[--><!--]--></div></div>
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编程入门之道\"},{\"text\":\"3.1该使用哪个编辑器???\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.1该使用哪个编辑器???\"},{\"text\":\"3.2算法杂谈\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.2算法杂谈\"},{\"text\":\"3.3如何选择编程语言\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.3如何选择编程语言\"},{\"text\":\"3.4C语言\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4C语言\"},{\"text\":\"3.5git与github\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.5git与github\"},{\"text\":\"3.6Python(灵巧的胶水)\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.6Python(灵巧的胶水)\"},{\"text\":\"3.X 聊聊设计模式和程序设计\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.X 聊聊设计模式和程序设计\"},{\"text\":\"3.Y 附加模块Linux\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.Y 附加模块Linux\"}]},{\"text\":\"4.人工智能\",\"collapsed\":true,\"items\":[{\"text\":\"4.人工智能\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.人工智能\"},{\"text\":\"4.1前言\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.1前言\"},{\"text\":\"4.2机器学习AI快速入门quick start\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.2机器学习AI快速入门quick start\"},{\"text\":\"4.3人工智能导论及机器学习入门\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.3人工智能导论及机器学习入门\"},{\"text\":\"4.4FAQ:常见问题\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.4FAQ:常见问题\"},{\"text\":\"4.5图网络略述intro&GCN\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.5图网络略述intro&GCN\"},{\"text\":\"4.6数据分析\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.6数据分析\"},{\"text\":\"4.7如何做研究\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.7如何做研究\"},{\"text\":\"4.8科研论文写作\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.8科研论文写作\"},{\"text\":\"4.9从 AI 到 智能系统 —— 从 LLMs 到 Agents\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.9从 AI 到 智能系统 —— 从 LLMs 到 Agents\"},{\"text\":\"4.10LLM Agent之结构化输出\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.10LLMAgent之结构化输出\"},{\"text\":\"4.11本章节内容的局限性\",\"link\":\"/技术资源汇总(杭电支持版)/4.人工智能/4.11本章节内容的局限性\"}]},{\"text\":\"5.富有生命的嵌入式\",\"collapsed\":true,\"items\":[{\"text\":\"5.富有生命的嵌入式\",\"link\":\"/技术资源汇总(杭电支持版)/5.富有生命的嵌入式/5.富有生命的嵌入式\"},{\"text\":\"5.1嵌入式是什么?可以吃吗?\",\"link\":\"/技术资源汇总(杭电支持版)/5.富有生命的嵌入式/5.1嵌入式是什么?可以吃吗?\"},{\"text\":\"5.2New meaning of C\",\"link\":\"/技术资源汇总(杭电支持版)/5.富有生命的嵌入式/5.2New meaning of C\"},{\"text\":\"5.3还玩裸机?上操作系统!\",\"link\":\"/技术资源汇总(杭电支持版)/5.富有生命的嵌入式/5.3还玩裸机?上操作系统!\"}]},{\"text\":\"6.计算机安全\",\"collapsed\":true,\"items\":[{\"text\":\"6.计算机安全\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.计算机安全\"},{\"text\":\"6.1Web安全\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.1Web安全\"},{\"text\":\"6.2二进制安全\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.2二进制安全\"},{\"text\":\"6.3密码学\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.3密码学\"},{\"text\":\"6.4安全杂项\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.4安全杂项\"},{\"text\":\"6.5学习资料推荐\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.5学习资料推荐\"}]},{\"text\":\"7.网络应用开发入门\",\"collapsed\":true,\"items\":[{\"text\":\"7.网络应用开发入门\",\"link\":\"/技术资源汇总(杭电支持版)/7.网络应用开发/7.网络应用开发入门\"},{\"text\":\"7.1WEB开发入门\",\"link\":\"/技术资源汇总(杭电支持版)/7.网络应用开发/7.1WEB开发入门\"},{\"text\":\"7.2前端部分\",\"link\":\"/技术资源汇总(杭电支持版)/7.网络应用开发/7.2.1基础(三件套)\"},{\"text\":\"7.3后端部分\",\"link\":\"/技术资源汇总(杭电支持版)/7.网络应用开发/7.3.1基础部分\"}]},{\"text\":\"8.基础学科\",\"collapsed\":true,\"items\":[{\"text\":\"8.基础学科\",\"link\":\"/技术资源汇总(杭电支持版)/8.基础学科/8.基础学科\"},{\"text\":\"8.1经济学科普Part1\",\"link\":\"/技术资源汇总(杭电支持版)/8.基础学科/8.1经济学科普Part1\"}]},{\"text\":\"9.计算机网络\",\"collapsed\":true,\"items\":[{\"text\":\"9.计算机网络\",\"link\":\"/技术资源汇总(杭电支持版)/9.计算机网络/9.计算机网络\"},{\"text\":\"9.1 计网速通\",\"link\":\"/技术资源汇总(杭电支持版)/9.计算机网络/9.1计网速通\"}]}],\"/技术资源汇总(杭电支持版)/2.高效学习/\":[{\"text\":\"返回上一层\",\"link\":\"/技术资源汇总(杭电支持版)/内容索引\"},{\"text\":\"2.高效学习\",\"collapsed\":false,\"items\":[{\"text\":\"2.高效学习\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.高效学习\"},{\"text\":\"2.1高效的前提:摆脱高中思维\",\"collapsed\":true,\"items\":[{\"text\":\"2.1高效的前提:摆脱高中思维\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.1高效的前提:摆脱高中思维\"},{\"text\":\"2.1.1悲壮的学习方式\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.1.1悲壮的学习方式\"},{\"text\":\"2.1.2浮躁的心理状态\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.1.2浮躁的心理状态\"},{\"text\":\"2.1.3错误的提问姿态\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.1.3错误的提问姿态\"},{\"text\":\"2.1.4书籍的盲目崇拜\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.1.4书籍的盲目崇拜\"},{\"text\":\"2.1.5错误的学习配比\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.1.5错误的学习配比\"}]},{\"text\":\"2.2优雅的使用工具\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.2优雅的使用工具\"},{\"text\":\"2.3高效的信息检索\",\"collapsed\":true,\"items\":[{\"text\":\"2.3高效的信息检索\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.3高效的信息检索\"},{\"text\":\"2.3.1阅读文档B百度爬\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.3.1阅读文档B百度爬\"},{\"text\":\"2.3.2检索论文核心内容\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.3.2检索论文核心内容\"},{\"text\":\"2.3.3优秀的开源社区\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.3.3优秀的开源社区\"},{\"text\":\"补充:为什么不要用百度\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/补充:为什么不要用百度\"}]},{\"text\":\"2.4优雅的记笔记\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.4优雅的记笔记\"},{\"text\":\"2.5以理工科的方式阅读英语\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.5以理工科的方式阅读英语\"},{\"text\":\"2.6学会使用AI辅助学习\",\"link\":\"/技术资源汇总(杭电支持版)/2.高效学习/2.6学会使用AI辅助学习\"}]}],\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/\":[{\"text\":\"返回上一层\",\"link\":\"/技术资源汇总(杭电支持版)/内容索引\"},{\"text\":\"3.编程思维体系构建\",\"collapsed\":false,\"items\":[{\"text\":\"3.编程思维体系构建\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.编程思维体系构建\"},{\"text\":\"3.0 编程入门之道\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.0 编程入门之道\"},{\"text\":\"3.1该使用哪个编辑器???\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.1该使用哪个编辑器???\"},{\"text\":\"3.2算法杂谈\",\"collapsed\":true,\"items\":[{\"text\":\"3.2算法杂谈\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.2算法杂谈\"},{\"text\":\"3.2.1手把手教你学算法——如何使用OJOnline Judge\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.2.1手把手教你学算法——如何使用OJOnline Judge\"},{\"text\":\"3.2.2ACM 竞赛从入门到入坟\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.2.2ACM 竞赛从入门到入坟\"}]},{\"text\":\"3.3如何选择编程语言\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.3如何选择编程语言\"},{\"text\":\"3.4C语言\",\"collapsed\":true,\"items\":[{\"text\":\"3.4C语言\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4C语言\"},{\"text\":\"3.4.1FAQ:常见问题\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.1FAQ:常见问题\"},{\"text\":\"3.4.2用什么写 C 语言\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.2用什么写 C 语言\"},{\"text\":\"3.4.3解决编程问题的普适性过程\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.3解决编程问题的普适性过程\"},{\"text\":\"3.4.4C语言前置概念学习\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.4C语言前置概念学习\"},{\"text\":\"3.4.5阶段一:编程属性\",\"collapsed\":true,\"items\":[{\"text\":\"3.4.5阶段一:编程属性\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.5阶段一:编程属性\"},{\"text\":\"3.4.5.1C语言自测标准——链表\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.5.1C语言自测标准——链表\"}]},{\"text\":\"3.4.6阶段二文字冒险cool\",\"collapsed\":true,\"items\":[{\"text\":\"3.4.6阶段二文字冒险cool\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6阶段二文字冒险cool\"},{\"text\":\"3.4.6.1.开始冒险\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.1.开始冒险\"},{\"text\":\"3.4.6.2.探索未知\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.2.探索未知\"},{\"text\":\"3.4.6.3.指明地点\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.3.指明地点\"},{\"text\":\"3.4.6.4.创建对象\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.4.创建对象\"},{\"text\":\"3.4.6.5.捡起物品\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.5.捡起物品\"},{\"text\":\"3.4.6.6.绘制地图\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.6.绘制地图\"},{\"text\":\"3.4.6.7.增大距离\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.7.增大距离\"},{\"text\":\"3.4.6.8.移动方向\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.8.移动方向\"},{\"text\":\"3.4.6.9.练习:生成代码\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.9.练习:生成代码\"},{\"text\":\"3.4.6.10.增添属性\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.10.增添属性\"},{\"text\":\"3.4.6.11.设置条件\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.11.设置条件\"},{\"text\":\"3.4.6.12.开启关闭\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.12.开启关闭\"},{\"text\":\"3.4.6.13.编写解析器\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.13.编写解析器\"},{\"text\":\"3.4.6.14.丰富命令\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.14.丰富命令\"},{\"text\":\"3.4.6.15.赋予明暗\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.15.赋予明暗\"},{\"text\":\"3.4.6.16.结语:你终将自由\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.6.16.结语:你终将自由\"}]},{\"text\":\"3.4.7C基础知识杂谈\",\"collapsed\":true,\"items\":[{\"text\":\"3.4.7C基础知识杂谈\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.7C基础知识杂谈\"},{\"text\":\"3.4.7.1GDB初探索(编程可阅览)\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.7.1GDB初探索(编程可阅览)\"},{\"text\":\"3.4.7.1.1调试理论\",\"link\":\"/技术资源汇总(杭电支持版)/3.编程思维体系构建/3.4.7.1.1调试理论\"},{\"text\":\"3.4.7.2C的历史问题undefined 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C\"},{\"text\":\"5.3还玩裸机?上操作系统!\",\"link\":\"/技术资源汇总(杭电支持版)/5.富有生命的嵌入式/5.3还玩裸机?上操作系统!\"}]}],\"/技术资源汇总(杭电支持版)/6.计算机安全/\":[{\"text\":\"返回上一层\",\"link\":\"/技术资源汇总(杭电支持版)/内容索引\"},{\"text\":\"6.计算机安全\",\"collapsed\":false,\"items\":[{\"text\":\"6.计算机安全\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.计算机安全\"},{\"text\":\"6.1Web安全\",\"collapsed\":true,\"items\":[{\"text\":\"6.1Web安全\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.1Web安全\"},{\"text\":\"6.1.1SQL 注入\",\"link\":\"/技术资源汇总(杭电支持版)/6.计算机安全/6.1.1SQL 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