65 lines
1.6 KiB
GDScript
65 lines
1.6 KiB
GDScript
# Level.gd
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extends Node2D
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# 定义一个信号来通知血迹精灵更新
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signal mask_tiles_updated
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@onready var canvas_group = $Tile_Group
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var tilemaplayers: Array[TileMapLayer] = []
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var mask_tiles: Array[Vector2i] = []
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func _ready():
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# 获取所有的 TileMapLayer
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collect_tilemaplayers()
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update_mask_tiles()
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# 为每个 TileMapLayer 订阅变化信号
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for layer in tilemaplayers:
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layer.changed.connect(_on_tilemap_changed)
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#region 收集所有的 TileMapLayer
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func collect_tilemaplayers() -> void:
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tilemaplayers.clear()
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for child in canvas_group.get_children():
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if child is TileMapLayer:
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tilemaplayers.append(child)
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func update_mask_tiles() -> void:
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mask_tiles.clear()
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# 添加安全检查
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if not is_instance_valid(canvas_group):
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return
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# 遍历每个 TileMapLayer
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for layer in tilemaplayers:
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# 添加安全检查
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if not is_instance_valid(layer):
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continue
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var used_cells = layer.get_used_cells()
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for coords in used_cells:
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if not is_instance_valid(layer): # 再次检查，以防在循环中被释放
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break
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var tile_data = layer.get_cell_tile_data(coords)
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if tile_data and tile_data.get_custom_data("mask_area") == 1:
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if not coords in mask_tiles:
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mask_tiles.append(coords)
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func _on_tilemap_changed():
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update_mask_tiles()
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# 发送信号通知所有血迹更新
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mask_tiles_updated.emit()
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func cleanup():
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for layer in tilemaplayers:
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if is_instance_valid(layer) and layer.changed.is_connected(_on_tilemap_changed):
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layer.changed.disconnect(_on_tilemap_changed)
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tilemaplayers.clear()
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mask_tiles.clear()
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func _exit_tree():
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cleanup()
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#endregion
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