268 lines
7.3 KiB
GDScript
268 lines
7.3 KiB
GDScript
extends Node
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class_name InputHandler
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## 输入处理器
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## 处理多平台输入（键盘、触摸、虚拟摇杆）
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# 设备类型枚举
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enum DeviceType {
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DESKTOP,
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MOBILE,
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UNKNOWN
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}
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var current_device: DeviceType = DeviceType.UNKNOWN
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# 信号
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signal move_input(direction: Vector2)
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signal interact_input()
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signal device_detected(device: DeviceType)
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# signal ui_input(action: String) # 预留用于 UI 导航（暂未使用）
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# 虚拟控制器引用
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var virtual_joystick: Control = null
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var virtual_interact_button: Control = null
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# 输入状态控制
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var movement_enabled: bool = true
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var dialogue_box_active: bool = false
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func _ready():
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"""初始化输入处理器"""
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# 检测设备类型
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_detect_device()
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# 根据设备类型设置虚拟控制器
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if current_device == DeviceType.MOBILE:
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setup_virtual_controls()
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func _process(_delta: float):
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"""每帧处理输入"""
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# 检查对话框状态
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_update_dialogue_box_status()
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# 获取移动输入（只有在移动启用且对话框未激活时）
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var direction = Vector2.ZERO
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if movement_enabled and not dialogue_box_active:
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direction = get_move_direction()
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move_input.emit(direction)
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# 检查交互输入（只有在对话框未激活时才处理）
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if not dialogue_box_active and is_interact_pressed():
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interact_input.emit()
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## 获取移动方向
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func get_move_direction() -> Vector2:
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"""
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获取当前的移动方向输入
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@return: 归一化的方向向量
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"""
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var direction = Vector2.ZERO
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if current_device == DeviceType.DESKTOP:
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# 键盘输入
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direction = _get_keyboard_direction()
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elif current_device == DeviceType.MOBILE:
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# 触摸/虚拟摇杆输入
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direction = _get_virtual_joystick_direction()
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return direction.normalized() if direction.length() > 0 else Vector2.ZERO
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## 检查交互键是否按下
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func is_interact_pressed() -> bool:
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"""
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检查交互键是否刚被按下
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@return: 是否按下
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"""
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if current_device == DeviceType.DESKTOP:
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return Input.is_action_just_pressed("interact")
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elif current_device == DeviceType.MOBILE:
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return _is_virtual_interact_pressed()
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return false
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## 设置虚拟控制器
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func setup_virtual_controls() -> void:
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"""
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设置移动端虚拟控制器
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创建虚拟摇杆和交互按钮
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"""
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# 查找或创建 UI 容器
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var ui_layer = get_tree().root.get_node_or_null("Main/UILayer")
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if not ui_layer:
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push_warning("UILayer not found, cannot setup virtual controls")
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return
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# 创建虚拟摇杆
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if not virtual_joystick:
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virtual_joystick = VirtualJoystick.new()
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virtual_joystick.name = "VirtualJoystick"
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virtual_joystick.position = Vector2(50, get_viewport().get_visible_rect().size.y - 150)
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ui_layer.add_child(virtual_joystick)
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# 创建虚拟交互按钮
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if not virtual_interact_button:
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virtual_interact_button = VirtualButton.new()
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virtual_interact_button.name = "VirtualInteractButton"
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virtual_interact_button.button_text = "E"
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virtual_interact_button.position = Vector2(
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get_viewport().get_visible_rect().size.x - 130,
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get_viewport().get_visible_rect().size.y - 130
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)
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ui_layer.add_child(virtual_interact_button)
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print("Virtual controls setup complete")
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## 检测设备类型
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func _detect_device() -> void:
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"""
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检测当前设备类型（桌面或移动）
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"""
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# 检查是否在移动平台上运行
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var os_name = OS.get_name()
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if os_name in ["Android", "iOS"]:
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current_device = DeviceType.MOBILE
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elif os_name in ["Windows", "macOS", "Linux", "FreeBSD", "NetBSD", "OpenBSD", "BSD"]:
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current_device = DeviceType.DESKTOP
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else:
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# 默认为桌面
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current_device = DeviceType.DESKTOP
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# 也可以通过触摸屏检测
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if DisplayServer.is_touchscreen_available():
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current_device = DeviceType.MOBILE
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device_detected.emit(current_device)
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print("Device detected: ", DeviceType.keys()[current_device])
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## 获取键盘方向输入
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func _get_keyboard_direction() -> Vector2:
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"""
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从键盘获取方向输入
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@return: 方向向量
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"""
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var direction = Vector2.ZERO
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# 使用独立的移动动作（不影响 UI 输入）
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if Input.is_action_pressed("move_right"):
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direction.x += 1
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if Input.is_action_pressed("move_left"):
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direction.x -= 1
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if Input.is_action_pressed("move_down"):
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direction.y += 1
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if Input.is_action_pressed("move_up"):
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direction.y -= 1
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return direction
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## 获取虚拟摇杆方向
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func _get_virtual_joystick_direction() -> Vector2:
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"""
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从虚拟摇杆获取方向输入
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@return: 方向向量
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"""
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# 将在子任务 6.3 中实现
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# 现在返回零向量
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if virtual_joystick and virtual_joystick.has_method("get_direction"):
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return virtual_joystick.get_direction()
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return Vector2.ZERO
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## 检查虚拟交互按钮
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func _is_virtual_interact_pressed() -> bool:
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"""
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检查虚拟交互按钮是否按下
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@return: 是否按下
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"""
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# 将在子任务 6.3 中实现
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if virtual_interact_button and virtual_interact_button.has_method("is_pressed"):
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return virtual_interact_button.is_pressed()
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return false
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## 获取当前设备类型
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func get_device_type() -> DeviceType:
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"""
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获取当前检测到的设备类型
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@return: 设备类型
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"""
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return current_device
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## 启用/禁用输入处理
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func set_input_enabled(enabled: bool) -> void:
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"""
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启用或禁用输入处理
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@param enabled: 是否启用
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"""
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set_process(enabled)
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# 如果禁用，清除所有输入状态
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if not enabled:
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move_input.emit(Vector2.ZERO)
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## 启用/禁用移动输入
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func set_movement_enabled(enabled: bool) -> void:
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"""
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启用或禁用移动输入
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@param enabled: 是否启用移动
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"""
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movement_enabled = enabled
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# 如果禁用移动，立即发送零向量停止角色移动
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if not enabled:
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move_input.emit(Vector2.ZERO)
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## 更新对话框状态
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func _update_dialogue_box_status() -> void:
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"""检测对话框是否处于活动状态"""
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var was_active = dialogue_box_active
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# 使用更通用的方法检测UI焦点状态
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dialogue_box_active = _is_ui_focused()
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# 如果对话框状态发生变化，立即停止移动
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if was_active != dialogue_box_active:
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# 无论是激活还是关闭对话框，都强制停止移动并清除输入状态
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_clear_all_movement_state()
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if dialogue_box_active:
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print("UI focused - movement disabled and cleared")
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else:
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print("UI unfocused - movement cleared and reset")
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## 检查是否有UI控件获得焦点
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func _is_ui_focused() -> bool:
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"""
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检查是否有UI控件获得焦点（如输入框）或对话框是否可见
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@return: 是否有UI控件获得焦点
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"""
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# 首先检查对话框是否可见
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var main_scene = get_tree().root.get_node_or_null("Main")
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if main_scene:
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var ui_layer = main_scene.get_node_or_null("UILayer")
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if ui_layer:
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var dialogue_box = ui_layer.get_node_or_null("DialogueBox")
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if dialogue_box and dialogue_box.visible:
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return true
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# 然后检查是否有输入控件获得焦点
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var focused_control = get_viewport().gui_get_focus_owner()
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if focused_control:
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return focused_control is LineEdit or focused_control is TextEdit
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return false
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## 清除所有移动状态
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func _clear_all_movement_state() -> void:
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"""清除所有移动相关的状态和输入"""
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# 发送零向量停止移动
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move_input.emit(Vector2.ZERO)
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# 清除所有可能的输入状态
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Input.action_release("move_up")
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Input.action_release("move_down")
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Input.action_release("move_left")
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Input.action_release("move_right")
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print("All movement state cleared")
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