153 lines
4.8 KiB
GDScript
153 lines
4.8 KiB
GDScript
# Toast.gd - 合并的Toast系统
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extends Node
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# Toast节点缓存
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var toast_container: Control
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func _ready():
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# 延迟创建Toast容器，避免在节点初始化期间添加子节点的冲突
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setup_toast_container.call_deferred()
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func setup_toast_container():
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# 防止重复创建
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if toast_container and is_instance_valid(toast_container):
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return
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# 创建一个CanvasLayer来确保Toast始终在最顶层
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var canvas_layer = CanvasLayer.new()
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canvas_layer.name = "ToastCanvasLayer"
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canvas_layer.layer = 100 # 设置一个很高的层级值
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# 创建一个容器来放置所有Toast
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toast_container = Control.new()
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toast_container.name = "ToastContainer"
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toast_container.set_anchors_and_offsets_preset(Control.PRESET_FULL_RECT)
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toast_container.mouse_filter = Control.MOUSE_FILTER_IGNORE
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# 将容器添加到CanvasLayer中
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canvas_layer.add_child(toast_container)
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# 尝试添加到main/UI节点，如果失败则添加到根节点
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var ui_node = get_node_or_null("/root/main/UI")
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if ui_node:
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ui_node.add_child.call_deferred(canvas_layer)
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print("Toast容器已添加到 main/UI 节点")
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else:
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# 如果没有UI节点，直接添加到根节点
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get_tree().root.add_child.call_deferred(canvas_layer)
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print("Toast容器已添加到根节点")
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func show(text: String,
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color: Color = Color.WHITE,
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duration: float = 2.0,
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fade_duration: float = 0.5) -> void:
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# 确保容器存在且有效
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if not toast_container or not is_instance_valid(toast_container) or not toast_container.get_parent():
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setup_toast_container.call_deferred()
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# 等待容器设置完成
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await get_tree().process_frame
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await get_tree().process_frame # 额外等待一帧确保完成
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# 再次检查容器是否有效
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if not toast_container or not is_instance_valid(toast_container):
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print("警告：Toast容器初始化失败，无法显示Toast")
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return
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# 创建Toast UI
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var toast_panel = create_toast_ui(text, color)
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toast_container.add_child(toast_panel)
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# 显示动画和自动消失
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show_toast_animation(toast_panel, duration, fade_duration)
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func create_toast_ui(text: String, color: Color) -> PanelContainer:
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# 创建主容器
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var panel = PanelContainer.new()
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panel.name = "Toast_" + str(Time.get_ticks_msec())
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# 设置样式
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var style_box = StyleBoxFlat.new()
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style_box.bg_color = Color(0, 0, 0, 0.8) # 半透明黑色背景
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style_box.corner_radius_top_left = 8
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style_box.corner_radius_top_right = 8
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style_box.corner_radius_bottom_left = 8
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style_box.corner_radius_bottom_right = 8
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style_box.content_margin_top = 12
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style_box.content_margin_bottom = 12
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style_box.content_margin_left = 16
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style_box.content_margin_right = 16
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panel.add_theme_stylebox_override("panel", style_box)
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# 创建文本标签
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var label = Label.new()
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label.text = text
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label.modulate = color
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label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
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label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
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# 设置字体大小
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label.add_theme_font_size_override("font_size", 16)
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panel.add_child(label)
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# 定位Toast（屏幕中央偏下）
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position_toast(panel)
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return panel
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func position_toast(toast_panel: PanelContainer):
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# 设置位置为屏幕中央偏下
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toast_panel.set_anchors_and_offsets_preset(Control.PRESET_CENTER)
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toast_panel.position.y += 100 # 向下偏移
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# 调整现有Toast的位置，避免重叠
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var existing_toasts = []
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for child in toast_container.get_children():
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if child != toast_panel and child is PanelContainer:
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existing_toasts.append(child)
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# 向上堆叠
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for i in range(existing_toasts.size()):
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var existing_toast = existing_toasts[existing_toasts.size() - 1 - i]
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var tween = create_tween()
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tween.tween_property(existing_toast, "position:y",
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existing_toast.position.y - 60, 0.3)
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func show_toast_animation(toast_panel: PanelContainer, duration: float, fade_duration: float):
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# 初始状态：完全透明并稍微向上
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toast_panel.modulate.a = 0.0
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toast_panel.position.y += 20
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# 淡入动画
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var fade_in_tween = create_tween()
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fade_in_tween.parallel().tween_property(toast_panel, "modulate:a", 1.0, 0.3)
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fade_in_tween.parallel().tween_property(toast_panel, "position:y",
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toast_panel.position.y - 20, 0.3)
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fade_in_tween.set_ease(Tween.EASE_OUT)
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# 等待显示时间
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await get_tree().create_timer(duration).timeout
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# 淡出动画
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var fade_out_tween = create_tween()
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fade_out_tween.tween_property(toast_panel, "modulate:a", 0.0, fade_duration)
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await fade_out_tween.finished
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# 移除节点
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toast_panel.queue_free()
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# 便捷方法
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func show_success(text: String, duration: float = 2.0):
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show(text, Color.GREEN, duration)
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func show_error(text: String, duration: float = 3.0):
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show(text, Color.RED, duration)
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func show_warning(text: String, duration: float = 2.5):
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show(text, Color.YELLOW, duration)
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func show_info(text: String, duration: float = 2.0):
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show(text, Color.CYAN, duration)
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