87 lines
1.7 KiB
GDScript
87 lines
1.7 KiB
GDScript
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@tool
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extends Node2D
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class_name Positional
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enum State {
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CLEAN,
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UPDATE_POSITION
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# UPDATE_TILE_POS
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}
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@export var quantize_in_editor = true:
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set(val):
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quantize_in_editor = val
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_quantize()
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@export var size: Vector2i = Vector2i.ONE:
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set(val):
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size = val
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_quantize()
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# - - - - - - - - - - - - - - - -
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@onready var grid = Util.find(Grid)
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var _worldbox: Rect2 = Rect2(0, 0, 0, 0)
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var _tilebox: Rect2i = Rect2i(0, 0, 0, 0)
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var state: State = State.CLEAN
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var has_adjusted_positions_this_frame = false
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func _ready():
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set_notify_transform(true)
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_quantize()
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func _process(_delta):
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has_adjusted_positions_this_frame = false
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if state == State.UPDATE_POSITION:
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_quantize()
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func _enter_tree():
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set_notify_transform(true)
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if grid != null:
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grid.register_tile(self)
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func _exit_tree():
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if grid != null:
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grid.remove_tile(self)
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func _notification(what: int) -> void:
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if what == NOTIFICATION_TRANSFORM_CHANGED:
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_quantize()
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func _tile_pos_updated():
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pass
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func _size_updated():
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pass
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func _position_updated():
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pass
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func _quantize():
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if grid == null || !Engine.is_editor_hint() || !quantize_in_editor:
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return
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if has_adjusted_positions_this_frame:
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state = State.UPDATE_POSITION
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return
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var top_left_world_pos = position - grid.tile2world_size(size - Vector2i.ONE) / 2
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var tile_pos = grid.world2tile(top_left_world_pos)
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_worldbox = grid.tile2world_rect(Rect2i(tile_pos, size))
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position = _worldbox.get_center()
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state = State.CLEAN
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has_adjusted_positions_this_frame = true
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func _derive():
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pass
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func _update_boxes():
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pass
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# func set_tile_pos(pos: Vector2i):
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# pass
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func get_worldbox():
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return Rect2(_worldbox)
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func get_tilebox():
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return Rect2i(_tilebox)
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