56 lines
1.7 KiB
GDScript
56 lines
1.7 KiB
GDScript
extends TileMap
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class_name MapTiles
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var transparentImage = preload("res://Graphics/transparent.png")
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export(NodePath) var extended_tilemap_node
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export var occluders = ["Wall"]
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export var shadow_intensity = 0.2
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onready var extended_tilemap = get_node(extended_tilemap_node) as TileMap
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func _ready():
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# Convert 2x2 tiles to 1x1 if possible
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convert_extended()
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func convert_extended():
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var extended = extended_tilemap.tile_set
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for id in tile_set.get_tiles_ids():
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var name = tile_set.tile_get_name(id)
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var extended_id = extended.find_tile_by_name(name)
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if extended_id < 0:
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# Not found, skip it
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continue
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# Find all uses of this tile
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for cell in get_used_cells_by_id(id):
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var x = cell.x * 2
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var y = cell.y * 2
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extended_tilemap.set_cell(x, y, extended_id)
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extended_tilemap.set_cell(x+1, y, extended_id)
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extended_tilemap.set_cell(x, y+1, extended_id)
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extended_tilemap.set_cell(x+1, y+1, extended_id)
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tile_set.tile_set_texture(id, transparentImage)
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extended_tilemap.update_bitmask_region()
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extended_tilemap.update_dirty_quadrants()
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func create_occlusion_mask():
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var tile_size = get_used_rect()
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var mask_image = Image.new()
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mask_image.create(tile_size.size.x, tile_size.size.y, false, Image.FORMAT_L8)
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mask_image.fill(Color.black)
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mask_image.lock()
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var occluder_ids = []
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for occluder in occluders:
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occluder_ids.append(tile_set.find_tile_by_name(occluder))
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for occluder_id in occluder_ids:
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for cell in get_used_cells_by_id(occluder_id):
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mask_image.set_pixelv(cell - tile_size.position, Color.white)
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mask_image.unlock()
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mask_image.save_png("res://test.png")
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var mask_texture = ImageTexture.new()
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mask_texture.create_from_image(mask_image, 0)
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return mask_texture
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