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38 lines
1 KiB
GDScript3
38 lines
1 KiB
GDScript3
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extends Node
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class_name OverlapFreer
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## Layers to consider when checking overlap with [PhysicBody2D].
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@export_flags_2d_physics var overlap_mask: int
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## Whether [TileMap]s should be considered in collisions or not.
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##
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## Their [collision_layer]s are always ignored.
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@export var overlap_with_tilemap: bool = false
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## The [Area2D] this script should act on.
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@onready var target: Area2D = get_parent()
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## Get all bodies overlapping the [target].
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func get_all_overlapping_bodies() -> Array[Node2D]:
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var bodies: Array[Node2D] = []
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for body in target.get_overlapping_bodies():
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if body is TileMap:
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if overlap_with_tilemap:
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bodies.append(body)
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elif body is PhysicsBody2D:
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if body.collision_layer & overlap_mask:
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bodies.append(body)
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return bodies
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## Emitted when a body is about to be [queue_free]d.
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signal body_queueing_free(body: Node2D)
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## Queue free all overlapping bodies.
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func area_queue_free() -> void:
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for body in get_all_overlapping_bodies():
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body_queueing_free.emit(body)
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body.queue_free()
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