创建新工程

scripts/LoginScreen.gd

@@ -0,0 +1,177 @@
+extends Control
+class_name LoginScreen
+## 登录界面
+## 处理用户登录和角色创建入口
+
+# UI 元素
+var username_input: LineEdit
+var login_button: Button
+var create_character_button: Button
+var status_label: Label
+var container: VBoxContainer
+
+# 信号
+signal login_requested(username: String)
+signal create_character_requested()
+
+func _ready():
+	"""初始化登录界面"""
+	_create_ui()
+	_setup_animations()
+	update_layout()
+
+## 设置动画效果
+func _setup_animations():
+	"""设置界面动画效果"""
+	# 为移动设备优化触摸体验
+	TouchFeedbackManager.optimize_ui_for_touch(self)
+	
+	# 界面入场动画
+	UIAnimationManager.fade_slide_in(container, "bottom", 0.5)
+
+## 创建 UI 元素
+func _create_ui():
+	"""创建登录界面的所有 UI 元素"""
+	# 设置为全屏
+	anchor_right = 1.0
+	anchor_bottom = 1.0
+	
+	# 创建中心容器
+	container = VBoxContainer.new()
+	container.name = "Container"
+	container.custom_minimum_size = Vector2(300, 0)
+	# 设置容器锚点为居中
+	container.anchor_left = 0.5
+	container.anchor_right = 0.5
+	container.anchor_top = 0.5
+	container.anchor_bottom = 0.5
+	container.offset_left = -150  # 容器宽度的一半
+	container.offset_right = 150
+	container.offset_top = -200   # 估算容器高度的一半
+	container.offset_bottom = 200
+	add_child(container)
+	
+	# 标题
+	var title = Label.new()
+	title.text = "AI Town Game"
+	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	title.add_theme_font_size_override("font_size", 32)
+	container.add_child(title)
+	
+	# 间距
+	container.add_child(_create_spacer(20))
+	
+	# 用户名标签
+	var username_label = Label.new()
+	username_label.text = "用户名:"
+	container.add_child(username_label)
+	
+	# 用户名输入框
+	username_input = LineEdit.new()
+	username_input.placeholder_text = "输入你的用户名"
+	username_input.custom_minimum_size = Vector2(0, 40)
+	username_input.text_submitted.connect(_on_username_submitted)
+	container.add_child(username_input)
+	
+	# 间距
+	container.add_child(_create_spacer(10))
+	
+	# 登录按钮
+	login_button = Button.new()
+	login_button.text = "登录"
+	login_button.custom_minimum_size = Vector2(0, 50)
+	login_button.pressed.connect(_on_login_pressed)
+	container.add_child(login_button)
+	
+	# 间距
+	container.add_child(_create_spacer(10))
+	
+	# 创建角色按钮
+	create_character_button = Button.new()
+	create_character_button.text = "创建新角色"
+	create_character_button.custom_minimum_size = Vector2(0, 50)
+	create_character_button.pressed.connect(_on_create_character_pressed)
+	container.add_child(create_character_button)
+	
+	# 间距
+	container.add_child(_create_spacer(20))
+	
+	# 状态标签
+	status_label = Label.new()
+	status_label.text = ""
+	status_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	status_label.add_theme_color_override("font_color", Color(1, 0.5, 0.5))
+	container.add_child(status_label)
+
+## 创建间距
+func _create_spacer(height: float) -> Control:
+	"""创建垂直间距"""
+	var spacer = Control.new()
+	spacer.custom_minimum_size = Vector2(0, height)
+	return spacer
+
+## 更新布局
+func update_layout():
+	"""更新布局以适应窗口大小"""
+	if not container:
+		return
+	
+	# 容器已经通过锚点设置为居中，无需手动计算位置
+	# 锚点会自动适应窗口大小变化
+
+## 显示状态消息
+func show_status(message: String, is_error: bool = false):
+	"""
+	显示状态消息
+	@param message: 消息文本
+	@param is_error: 是否为错误消息
+	"""
+	if status_label:
+		status_label.text = message
+		if is_error:
+			status_label.add_theme_color_override("font_color", Color(1, 0.3, 0.3))
+		else:
+			status_label.add_theme_color_override("font_color", Color(0.3, 1, 0.3))
+
+## 清除状态消息
+func clear_status():
+	"""清除状态消息"""
+	if status_label:
+		status_label.text = ""
+
+## 设置按钮启用状态
+func set_buttons_enabled(enabled: bool):
+	"""
+	设置所有按钮的启用状态
+	@param enabled: 是否启用
+	"""
+	if login_button:
+		login_button.disabled = not enabled
+	if create_character_button:
+		create_character_button.disabled = not enabled
+
+## 登录按钮点击
+func _on_login_pressed():
+	"""登录按钮被点击"""
+	var username = username_input.text.strip_edges()
+	
+	if username.is_empty():
+		show_status("请输入用户名", true)
+		# 添加错误动画反馈
+		UIAnimationManager.shake_error(username_input, 8.0, 0.4)
+		return
+	
+	# 添加成功反馈动画
+	UIAnimationManager.button_press_feedback(login_button)
+	clear_status()
+	login_requested.emit(username)
+
+## 创建角色按钮点击
+func _on_create_character_pressed():
+	"""创建角色按钮被点击"""
+	create_character_requested.emit()
+
+## 用户名输入框回车
+func _on_username_submitted(_text: String):
+	"""用户名输入框按下回车"""
+	_on_login_pressed()