400 lines
14 KiB
GDScript
400 lines
14 KiB
GDScript
extends Node
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var shader_material = load('res://palette_mat.tres')
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# Portability for GLES2 vs GLES3 stuff
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const INDEX_FORMAT := Image.FORMAT_L8
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# Offsets
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# Glyphs
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const offset_glyphs_small := 0x1FF000 # 0x100 entries, 2bpp
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const offset_glyphs_dialog := 0x03E800 # 0x100 entries, 1bpp
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const offset_glyphs_kanji := 0x1BD000 # 0x1AA entries, 1bpp
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# Images
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const offset_title_ffv := 0x031243 # Type 02 headed compression, expands to 0x1000 bytes
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const offset_title_dragon := 0x032D22 # Type 02 compression, expands to 0x1200 bytes
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const offset_title_dragon_OAM := 0x033342 # Type 02 headed compression, expands to 0x0120 bytes
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const offset_locations_bg_palettes := 0x03BB00 # 2bytes * 128 colors * 43 sets
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const offset_worldmap_blocks := 0x0FF0C0 # 0x0FF3C0 0x0FF6C0
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const offset_worldmap_tile_palettes := 0x0FF9C0 # 0x0FFAC0 0x0FFBC0 Length 0x100
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const offset_worldmap_palettes := 0x0FFCC0 # 0x0FFDC0 0x0FFEC0 Length 0x100
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const offset_worldmap_tiles := 0x1B8000 # 0x1BA000 0x1BC000
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const offset_Character_Battle_Sprite_Tiles := 0x120000
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const offset_Character_Battle_Sprite_Palettes := 0x14A3C0
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const offset_Character_Battle_Sprite_Layouts := 0x14B997
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const num_Character_Battle_Sprite_Layouts := 11
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const offset_Character_Battle_Sprite_Disabled_Palette := 0x00F867
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const offset_Character_Battle_Sprite_Stone_Palette := 0x00F807
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const offset_Tiles_Fist := 0x11D710 # 3bpp tile
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# Arrays to store sprites in
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var worldmap_palette_imgs = []
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var worldmap_palette_textures = []
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var worldmap_tile_individual_imgs = []
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var worldmap_tile_atlas_textures = []
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var worldmap_block_tile_ids = []
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var worldmap_block_individual_imgs = []
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var worldmap_block_individual_textures = []
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var worldmap_block_atlas_imgs = []
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var worldmap_block_atlas_textures = []
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# var worldmap_tile_atlas_textures = []
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#var character_battle_sprite_tiles = []
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#var character_battle_sprite_palette_imgs = []
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var character_battle_sprite_palette_textures = []
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var character_battle_sprite_palette_disabled_texture: ImageTexture
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var character_battle_sprite_palette_stone_texture: ImageTexture
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var weapon_textures = {}
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func ByteArray(size: int) -> PoolByteArray:
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var arr := PoolByteArray()
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arr.resize(size)
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return arr
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func texture_from_image(image: Image, flags: int = 0) -> ImageTexture:
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var tex = ImageTexture.new()
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tex.create_from_image(image, flags)
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return tex
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func bgr555_to_color(short: int) -> Color:
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var color = Color()
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color.a = 1
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color.r = ((short & 0x1F) / 31.0)
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color.g = (((short >> 5) & 0x1F) / 31.0)
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color.b = (((short >> 10) & 0x1F) / 31.0)
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return color
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func generate_palette_rgbf(rom: File, offset: int, length: int = 16) -> Image:
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rom.seek(offset)
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var img := Image.new()
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var rows := length/16
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img.create(16, rows, false, Image.FORMAT_RGBF)
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img.lock()
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for y in rows:
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for x in 16:
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var color = bgr555_to_color(rom.get_16())
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img.set_pixel(x, y, color)
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img.unlock()
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return img
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func generate_palette_rgb8(rom: File, offset: int, length: int = 16) -> Image:
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# Safe for GLES2 only!
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# Implicit sRGB -> linear conversion on ImageTexture creation from RGB8 Image ruins this in GLES3 mode
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rom.seek(offset)
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var data = ByteArray(length*3)
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# img.lock()
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for i in length:
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var color := bgr555_to_color(rom.get_16())
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var j: int = i*3
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data[j] = color.r8
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data[j+1] = color.g8
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data[j+2] = color.b8
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var img := Image.new()
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img.create_from_data(16, length/16, false, Image.FORMAT_RGB8, data)
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return img
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func generate_palette_rgb5_a1(rom: File, offset: int, length: int = 16) -> Image:
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var data = ByteArray(length*2)
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rom.seek(offset)
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for i in range(length):
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var bgr555 := rom.get_16()
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var r := bgr555 & 0x1F
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var g := (bgr555 >> 5) & 0x1F
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var b := (bgr555 >> 10) & 0x1F
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var rgb5_a1 := (r << 11) | (g << 6) | (b << 1) | 1
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data[i*2] = rgb5_a1 & 0xFF
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data[(i*2)+1] = rgb5_a1 >> 8
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var img := Image.new()
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img.create_from_data(16, length/16, false, Image.FORMAT_RGBA5551, data)
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return img
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func generate_palette(rom: File, offset: int, length: int = 16) -> Image:
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if length < 16:
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length = 16
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return generate_palette_rgb8(rom, offset, length)
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func gba_4bpp_to_tile(data: PoolByteArray) -> Image:
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var tdata := ByteArray(64)
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for i in range(32):
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tdata[i*2] = data[i] % 16
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tdata[i*2+1] = data[i] / 16
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var tile := Image.new()
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tile.create_from_data(8, 8, false, INDEX_FORMAT, tdata)
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return tile
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func snes_mode7_to_tile(data: PoolByteArray) -> Image:
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# Easy one, it's just straight data left-to-right, top-to-bottom
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var tile := Image.new()
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tile.create_from_data(8, 8, false, INDEX_FORMAT, data)
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return tile
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func snes_mode7_compressed_to_tile(data: PoolByteArray, tile_palette: int = 0) -> Image:
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# 4 bits per pixel.
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var tdata := ByteArray(64)
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for i in 32:
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var b := data[i]
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var j: int = i*2
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tdata[j] = (b & 0x0F) | tile_palette
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tdata[j+1] = (b >> 4) | tile_palette
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return snes_mode7_to_tile(tdata)
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func snes_4plane_to_tile(data: PoolByteArray) -> Image:
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var tdata := ByteArray(64)
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for i in range(64):
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var j = (i/8)*2
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var x = 7 - (i%8)
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tdata[i] = (data[j] >> x & 1) | ((data[j+1] >> x & 1)<<1) | ((data[j+16] >> x & 1)<<2) | ((data[j+17] >> x & 1)<<3)
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var tile := Image.new()
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tile.create_from_data(8, 8, false, INDEX_FORMAT, tdata)
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return tile
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func snes_3plane_to_tile(data: PoolByteArray) -> Image:
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var tdata := ByteArray(64)
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for i in range(64):
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var j = (i/8)*2
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var x = 7 - (i%8)
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tdata[i] = (data[j] >> x & 1) | ((data[j+1] >> x & 1)<<1) | ((data[(i/8)+16] >> x & 1)<<2)
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var tile := Image.new()
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tile.create_from_data(8, 8, false, INDEX_FORMAT, tdata)
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return tile
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func snes_2plane_to_tile(data: PoolByteArray) -> Image:
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var tdata := ByteArray(64)
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for i in range(64):
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var j = (i/8)*2
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var x = 7 - (i%8)
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tdata[i] = (data[j] >> x & 1) | ((data[j+1] >> x & 1)<<1)
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var tile := Image.new()
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tile.create_from_data(8, 8, false, INDEX_FORMAT, tdata)
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return tile
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func snes_1plane_to_tile(data: PoolByteArray) -> Image:
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var tdata := ByteArray(64)
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for i in range(64):
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var x = 7 - (i%8)
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tdata[i] = (data[i/8] >> x & 1)
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var tile := Image.new()
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tile.create_from_data(8, 8, false, INDEX_FORMAT, tdata)
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return tile
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func snes_get_tile(rom: File, offset: int, length: int) -> Image:
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rom.seek(offset)
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var data := rom.get_buffer(length)
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var planes := length / 8
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match planes:
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4:
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return snes_4plane_to_tile(data)
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3:
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return snes_3plane_to_tile(data)
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2:
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return snes_2plane_to_tile(data)
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_:
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return snes_1plane_to_tile(data)
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func make_tile_atlas(tile_images) -> Image:
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var r := Rect2(0, 0, 8, 8)
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var image = Image.new()
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image.create(128, 128, false, INDEX_FORMAT)
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var tile = 0
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for y in tile_images.size()/16:
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for x in 16:
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image.blit_rect(tile_images[tile], r, Vector2(x*8, y*8))
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tile += 1
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return image
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func snes_load_worldmap(rom: File):
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# Load Worldmap Graphics
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var worldmap_tile_counts = [256, 256, 128] # Only 128 underwater tiles
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for world_ts in 3: # Bartz/Combined World, Galuf World, Underwater (world tilesets, not to be confused with the 5 world maps)
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var tile_count: int = worldmap_tile_counts[world_ts]
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var image := generate_palette(rom, offset_worldmap_palettes + (world_ts*0x100), 0x100)
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worldmap_palette_imgs.append(image)
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worldmap_palette_textures.append(texture_from_image(image))
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var tile_palettes = []
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rom.seek(offset_worldmap_tile_palettes + (world_ts*0x100))
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for pal in 256:
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tile_palettes.append(rom.get_8())
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var tile_images = []
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# var tile_textures = []
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rom.seek(offset_worldmap_tiles + (world_ts*0x2000))
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for tile in tile_count:
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var tiledata := rom.get_buffer(32)
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image = snes_mode7_compressed_to_tile(tiledata, tile_palettes[tile])
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tile_images.append(image)
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# tile_textures.append(texture_from_image(image))
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worldmap_tile_individual_imgs.append(tile_images)
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worldmap_tile_atlas_textures.append(texture_from_image(make_tile_atlas(tile_images)))
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# Block definitions
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var block_images = []
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var block_textures = []
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var block_bank_start: int = offset_worldmap_blocks + (world_ts*0x300)
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var block_tile_ids := PoolByteArray()
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for block in 0xC0: # 192 blocks per world tileset
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image = Image.new()
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image.create(16, 16, false, INDEX_FORMAT)
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for tile in 4:
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rom.seek(block_bank_start + block + (tile * 0xC0)) # Horrible interleaving scheme
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var src_idx := rom.get_8()
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block_tile_ids.append(src_idx)
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if src_idx < tile_count:
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image.blit_rect(tile_images[src_idx], Rect2(0, 0, 8, 8), Vector2((tile%2)*8, (tile/2)*8))
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block_images.append(image)
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block_textures.append(texture_from_image(image))
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worldmap_block_individual_imgs.append(block_images)
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worldmap_block_individual_textures.append(block_textures)
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worldmap_block_tile_ids.append(block_tile_ids)
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# Make block atlas
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image = Image.new()
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image.create(16*16, 16*12, false, INDEX_FORMAT)
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for block in 0xC0:
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image.blit_rect(block_images[block], Rect2(0, 0, 16, 16), Vector2((block%16)*16, (block/16)*16))
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worldmap_block_atlas_imgs.append(image)
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worldmap_block_atlas_textures.append(texture_from_image(image))
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# # DEBUG: Make tile atlas
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# image = Image.new()
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# image.create(16*8, (tile_count/16)*8, false, INDEX_FORMAT)
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# for tile in tile_count:
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# image.blit_rect(tile_images[tile], Rect2(0, 0, 8, 8), Vector2((tile%16)*8, (tile/16)*8))
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# worldmap_tile_atlas_textures.append(texture_from_image(image))
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MapLoader.update_worldmap_block_tile_ids(worldmap_block_tile_ids)
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func snes_load_battle_sprites(rom: File):
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# Load Battle sprites
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rom.seek(offset_Character_Battle_Sprite_Layouts)
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var battle_strip_layouts = rom.get_buffer(num_Character_Battle_Sprite_Layouts * 6)
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# Character Battle Sprite Tiles
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for strip in range(0, 22*5):
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var tiles = []
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for i in range(0, 32*48, 32):
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tiles.append(snes_get_tile(rom, offset_Character_Battle_Sprite_Tiles + (strip*32*48) + i, 32))
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var strip_image = Image.new()
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strip_image.create(16, 24 * num_Character_Battle_Sprite_Layouts, false, INDEX_FORMAT)
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for i in range(6 * num_Character_Battle_Sprite_Layouts):
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strip_image.blit_rect(tiles[battle_strip_layouts[i]], Rect2(0, 0, 8, 8), Vector2((i%2) * 8, (i/2) * 8))
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strip_images.append(strip_image)
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strip_textures.append(texture_from_image(strip_image))
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# Character Battle Sprite Palettes
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for palette in range(0, 22*5):
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character_battle_sprite_palette_textures.append(texture_from_image(generate_palette(rom, offset_Character_Battle_Sprite_Palettes + (palette*32))))
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character_battle_sprite_palette_disabled_texture = texture_from_image(generate_palette(rom, offset_Character_Battle_Sprite_Disabled_Palette))
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character_battle_sprite_palette_stone_texture = texture_from_image(generate_palette(rom, offset_Character_Battle_Sprite_Stone_Palette))
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weapon_textures['Fist'] = texture_from_image(snes_get_tile(rom, offset_Tiles_Fist, 24))
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var json_sprite_blocks := Common.load_json('res://data/sprite_blocks.json')
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var sprite_blocks := {}
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func snes_load_map_sprites(rom: File):
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# Main palettes
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var map_palettes = []
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for i in 4:
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map_palettes.append(generate_palette(rom, 0x1FFC00 + 32*i))
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for k in json_sprite_blocks.keys():
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var v = json_sprite_blocks[k]
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var start := int(v['start'])
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var bpp := int(v['bpp'])
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var definitions = v['definitions']
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var total_tiles := 0
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for defn in definitions:
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total_tiles += defn[0] * defn[1] * defn[2]
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print_debug('Processing sprite block "%s" - starts at $%06X with %d %dbpp tiles' % [k, start, total_tiles, bpp])
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rom.seek(start)
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var tiles := []
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match bpp:
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1:
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for i in total_tiles:
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tiles.append(snes_1plane_to_tile(rom.get_buffer(8)))
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2:
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for i in total_tiles:
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tiles.append(snes_2plane_to_tile(rom.get_buffer(16)))
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3:
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for i in total_tiles:
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tiles.append(snes_3plane_to_tile(rom.get_buffer(24)))
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4:
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for i in total_tiles:
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tiles.append(snes_4plane_to_tile(rom.get_buffer(32)))
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_:
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print_debug('Invalid bpp "%s" in sprite blocks json' % bpp)
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sprite_blocks[k] = tiles
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func load_snes_rom(rom: File):
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snes_load_battle_sprites(rom)
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snes_load_worldmap(rom)
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snes_load_map_sprites(rom)
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const gba_marker := 'FINAL FANTASY V ADVANCE SYGMAB'
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const gba_marker_pos_US := 0x12FE10
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const gba_marker_pos_EU := 0x131294
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const gba_offset_battle_sprite_tiles := 504
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const gba_offset_battle_sprite_palettes := 1064
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const gba_offset_battle_sprite_layouts := 9435
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func load_gba_rom(filename: String):
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var rom := File.new()
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var offset_marker: int
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var result = rom.open(filename, File.READ)
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if result != 0:
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print_debug('ROM failed to open: ', result)
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return
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rom.seek(gba_marker_pos_US)
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if rom.get_buffer(len(gba_marker)).get_string_from_ascii() == gba_marker:
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offset_marker = gba_marker_pos_US
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else:
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rom.seek(gba_marker_pos_EU)
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if rom.get_buffer(len(gba_marker)).get_string_from_ascii() == gba_marker:
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offset_marker = gba_marker_pos_EU
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else:
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print_debug('ROM does not match known US/EU ROMs, aborting')
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return
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# Battle Sprite Tiles
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rom.seek(offset_marker + gba_offset_battle_sprite_layouts)
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var battle_strip_layouts = rom.get_buffer(num_Character_Battle_Sprite_Layouts * 6)
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for strip in range(0, 26*5):
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var tiles = []
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rom.seek(offset_marker + gba_offset_battle_sprite_tiles + strip*4)
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var address = rom.get_32() - 0x08000000
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var tiledata = CommonGBA.LZ77_decompress(rom, address)
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tiledata.append(0) # Slicing to end of array causes an engine crash. For shame!
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for i in range(8, 57*32+8, 32):
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tiles.append(gba_4bpp_to_tile(tiledata.subarray(i, i+32)))
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var strip_image = Image.new()
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strip_image.create(16, 24 * num_Character_Battle_Sprite_Layouts, false, INDEX_FORMAT)
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for i in range(6 * num_Character_Battle_Sprite_Layouts):
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strip_image.blit_rect(tiles[battle_strip_layouts[i]], Rect2(0, 0, 8, 8), Vector2((i%2) * 8, (i/2) * 8))
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strip_images.append(strip_image)
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strip_textures.append(texture_from_image(strip_image))
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# Character Battle Sprite Palettes
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for palette in range(0, 26*5):
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rom.seek(offset_marker + gba_offset_battle_sprite_palettes + palette*4)
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character_battle_sprite_palette_textures.append(texture_from_image(generate_palette(rom, rom.get_32() - 0x08000000 + 8)))
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# character_battle_sprite_palette_disabled_texture = texture_from_image(generate_palette(rom, offset_Character_Battle_Sprite_Disabled_Palette))
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# character_battle_sprite_palette_stone_texture = texture_from_image(generate_palette(rom, offset_Character_Battle_Sprite_Stone_Palette))
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var strip_images = []
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var strip_textures = []
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# func _ready():
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#pass
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