50 lines
1 KiB
GDScript
50 lines
1 KiB
GDScript
tool
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class_name PaletteTexture
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extends ImageTexture
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export (Array, Color) var colors := [] setget _set_colors
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export var convert_from: Texture = null setget _convert_from
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var _data := PoolByteArray()
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func _init() -> void:
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colors.resize(16)
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colors.fill(Color.white)
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_data.resize(16 * 4)
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_data.fill(255)
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_update_image()
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func _set_colors(new_array: Array) -> void:
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if new_array.size() == 16:
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colors = new_array
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_update_image()
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func _update_image() -> void:
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for i in colors.size():
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var c: Color = colors[i]
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var j: int = i * 4
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_data[j] = c.r8
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_data[j + 1] = c.g8
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_data[j + 2] = c.b8
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_data[j + 3] = c.a8
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var image := Image.new()
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image.create_from_data(4, 4, false, Image.FORMAT_RGBA8, _data)
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create_from_image(image, 0)
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func _convert_from(texture: Texture) -> void:
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if texture != null and texture.get_size() == Vector2(4.0, 4.0):
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var image := texture.get_data()
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image.lock()
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for x in 4:
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for y in 4:
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colors[x + (y * 4)] = image.get_pixel(x, y)
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print(colors[x + (y * 4)])
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image.unlock()
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_update_image()
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