29 lines
859 B
GDScript
29 lines
859 B
GDScript
extends Node2D
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@onready var grid: Grid = get_parent()
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const UNIT_COLOR = Color.CHOCOLATE
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const EMPTY_COLOR = Color(Color.CORNFLOWER_BLUE,1.0)
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var units: Array[Vector2]
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var empty: Array[Vector2]
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func _ready() -> void:
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GameplaySignalBus.highlight_empty.connect(on_highlight_empty)
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GameplaySignalBus.highlight_units.connect(on_highlight_units)
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func _draw() -> void:
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for unit in units:
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draw_rect(Rect2(unit,grid.cell_size),UNIT_COLOR)
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for empty_cell in empty:
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draw_rect(Rect2(empty_cell,grid.cell_size),EMPTY_COLOR)
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func on_highlight_units(new_units: Array[Unit]):
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units.clear()
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units.assign(new_units.map(func(unit : Unit): return grid.snap_position(unit.global_position)))
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queue_redraw()
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func on_highlight_empty(new_empty: Array[int]):
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empty.clear()
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empty.assign(new_empty.map(func(cell: int): return grid.from_index(cell)))
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queue_redraw()
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