diff options
Diffstat (limited to 'extractor/sprite.gd')
| -rw-r--r-- | extractor/sprite.gd | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/extractor/sprite.gd b/extractor/sprite.gd deleted file mode 100644 index 410ce07..0000000 --- a/extractor/sprite.gd +++ /dev/null @@ -1,204 +0,0 @@ -class_name Sprite - - -## Byte Length: 2 [br] -## SP -var signature: String = "SP" - -## Byte Type: u8 [br] -## Byte Length: 2 -var version: Version - -## Byte Type: u16 [br] -## Byte Length: 2 -var palette_image_count: int - -## Byte Type: u16 [br] -## Byte Length: 2 -var rgba_image_count: int - -## Length: [member palette_image_count] -var palette_image_data: Array[PaletteImageData] - -## Byte Type: u8 [br] -## Byte Length: [member rgba_image_count] -var rgba_image_data: Array[RGBAImageData] - -## Byte Type: u16 [br] -## Byte Length: 256 * 4 (rgba u8) [br] -## The color with palette index 0 can be considered the "background color". [br] -## It must be cleared manually on load. -var palette: Array[PaletteColor] - - -static func from_bytes(bytes: PackedByteArray): - var sprite = Sprite.new() - - @warning_ignore("shadowed_variable") - var version = Version.new() - version.minor = bytes.decode_u8(2) - version.major = bytes.decode_u8(3) - sprite.version = version - - sprite.palette_image_count = bytes.decode_u16(4) - sprite.rgba_image_count = bytes.decode_u16(6) - - sprite.palette_image_data = [] as Array[PaletteImageData] - var palette_image_offset = 8 - var processed_palette_images = 0 - while processed_palette_images < sprite.palette_image_count: - var data = PaletteImageData.new() - data.width = bytes.decode_u16(palette_image_offset) - data.height = bytes.decode_u16(palette_image_offset + 2) - - data.data_size = bytes.decode_u16(palette_image_offset + 4) - data.encoded_data = bytes.slice( - palette_image_offset + 6, - palette_image_offset + 6 + data.data_size - ) - - data.decode() - - sprite.palette_image_data.append(data) - processed_palette_images += 1 - palette_image_offset += data.get_byte_length() - - sprite.rgba_image_data = [] as Array[RGBAImageData] - var rgba_image_offset = palette_image_offset - var processed_rgba_images = 0 - while processed_rgba_images < sprite.rgba_image_count: - var data = RGBAImageData.new() - data.width = bytes.decode_u16(rgba_image_offset) - data.height = bytes.decode_u16(rgba_image_offset + 2) - - data.data = bytes.slice( - rgba_image_offset + 4, - rgba_image_offset + 4 + (data.width * data.height * 4) - ) - - sprite.rgba_image_data.append(data) - processed_rgba_images += 1 - rgba_image_offset += data.get_byte_length() - - sprite.palette = [] as Array[PaletteColor] - var palette_offset = rgba_image_offset - while palette_offset < bytes.size(): - var color = PaletteColor.new() - color.r = bytes.decode_u8(palette_offset) - color.g = bytes.decode_u8(palette_offset + 1) - color.b = bytes.decode_u8(palette_offset + 2) - color.a = bytes.decode_u8(palette_offset + 3) - sprite.palette.append(color) - palette_offset += 4 - - #print(sprite.palette_image_data[0].get_rgba_data(sprite.palette)) - - for idx in sprite.palette_image_data.size(): - var d: PaletteImageData = sprite.palette_image_data[idx] - var i = Image.create_from_data( - d.width, - d.height, - false, - Image.FORMAT_RGBA8, - d.get_rgba_data(sprite.palette) - ) - i.save_png("res://extractor/test/test-" + str(idx).pad_zeros(3) + ".png") - - return sprite - - -class PaletteImageData: - ## Byte Type: u16 - ## Byte Length: 2 - var width: int - - ## Byte Type: u16 - ## Byte Length: 2 - var height: int - - ## Byte Type: u16 - ## Byte Length: 2 - var data_size: int - - ## Byte Type: u8 - ## Byte Length: [member data_size] - var encoded_data: PackedByteArray - - var decoded_data: PackedByteArray - - - func get_byte_length() -> int: - return 6 + data_size - - - func decode(): - decoded_data = PackedByteArray([]) - - var offset = 0 - while offset < encoded_data.size(): - var byte = encoded_data.decode_u8(offset) - if byte == 0: - var length = encoded_data.decode_u8(offset + 1) - var padding = PackedByteArray([]) - padding.resize(length) - padding.fill(0) - decoded_data.append_array(padding) - - offset += 2 - else: - decoded_data.append(byte) - offset += 1 - - - func get_rgba_data(palette: Array[PaletteColor]) -> PackedByteArray: - var rgba := PackedByteArray([]) - var background_color := palette[0] - - for idx in decoded_data: - var color := palette[idx] - if color == background_color: - rgba.append_array(PackedByteArray([0, 0, 0, 0])) - else: - rgba.append_array(color.to_bytes()) - - return rgba - - -class PaletteColor: - const BYTE_LENGTH := 4 - - var r: int - var g: int - var b: int - var a: int - - - func to_bytes(): - return PackedByteArray([r, g, b, 255]) - - -class RGBAImageData: - ## Byte Type: u16 - ## Byte Length: 2 - var width: int - - ## Byte Type: u16 - ## Byte Length: 2 - var height: int - - ## Byte Type: u8 - ## Byte Length: width * height * RGBAPixel.byte_length - var data: Array[Pixel] - - - class Pixel: - const BYTE_LENGTH := 4 - - var r: int - var g: int - var b: int - var a: int - - - func get_byte_length() -> int: - return width * height * data.size() |