增加dist静态资源

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import{_ as s,c as i,o as a,a4 as n}from"./chunks/framework.DtvhUNIn.js";const F=JSON.parse('{"title":"15.赋予明暗","description":"","frontmatter":{},"headers":[],"relativePath":"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","filePath":"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"}'),h={name:"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"},p=n(`<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>
<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;"> 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>
<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;"> 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>
<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;"> 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>
<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;"> 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>
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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;"> 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>`,64),k=[p];function l(t,e,E,r,d,g){return a(),i("div",null,k)}const o=s(h,[["render",l]]);export{F as __pageData,o as default};