for letter_i in range(0, len(tilepairs)): letter = Pixmap((8,16)) letter.paste(tilepairs[letter_i][0], (0,0)) letter.paste(tilepairs[letter_i][1], (0,8)) x = (letter_i % ROW_LETTERS) * 16 y = (letter_i // ROW_LETTERS) * 16 img.paste(letter.flip_lr(), (x,y)) img.save(name, PIXELCHARS) print("Reading font data") raw_tiles = {} for fontname in OFFSETS: data = rom[OFFSETS[fontname][0] : OFFSETS[fontname][1]] raw_tiles[fontname] = list(gba.iter_decode_tiles(codec, data)) print("Exporting normal fonts") decode_en(raw_tiles["font_en_black"], EXPDIR + "font_en_black.txt") decode_jp(raw_tiles["font_jp_black"], EXPDIR + "font_jp_black.txt") decode_en(raw_tiles["font_en_red"], EXPDIR + "font_en_red.txt") decode_jp(raw_tiles["font_jp_red"], EXPDIR + "font_jp_red.txt") decode_en(raw_tiles["font_en_blue"], EXPDIR + "font_en_blue.txt") decode_jp(raw_tiles["font_jp_blue"], EXPDIR + "font_jp_blue.txt") decode_en(raw_tiles["font_en_other"], EXPDIR + "font_en_other.txt") decode_jp_tiny(raw_tiles["font_jp_other"], EXPDIR + "font_jp_other.txt") print("Exporting tiny fonts") decode_en_tiny(raw_tiles["font_en_tiny"], EXPDIR + "font_en_tiny.txt") decode_jp_tiny(raw_tiles["font_jp_tiny"], EXPDIR + "font_jp_tiny.txt") decode_jp_tiny(raw_tiles["font_jp_tiny2"], EXPDIR + "font_jp_tiny2.txt")
bag_palette_data = lz77.decompress(rom[bag_palette:]) bag_palette_pal = gba.decode_palette(bag_palette_data, alpha=True) bag_male_img = gba.decode_image(bag_male_data, codec, bag_palette_pal, 8) bag_male_img.save("export/textures/bag_male.png") bag_female_img = gba.decode_image(bag_female_data, codec, bag_palette_pal, 8) bag_female_img.save("export/textures/bag_female.png") arrow_data = lz77.decompress(rom[arrow_addr:]) arrow_palette_data = lz77.decompress(rom[arrow_palette_addr:]) arrow_palette = gba.decode_palette(arrow_palette_data, alpha=True) arrow_image = gba.decode_image(arrow_data, codec, arrow_palette, 2) arrow_image.save("export/textures/arrow.png") bkgr_data = lz77.decompress(rom[bkgr_addr:]) bkgr_tiles = list(gba.iter_decode_tiles(codec, bkgr_data)) bkgr_palettes = [None, None] bkgr_palettes_data0 = lz77.decompress(rom[bkgr_palettes_addr[0]:]) bkgr_palettes_data1 = lz77.decompress(rom[bkgr_palettes_addr[1]:]) bkgr_palettes[0] = list(gba.iter_decode_palettes(bkgr_palettes_data0, alpha=True)) bkgr_palettes[1] = copy.copy(bkgr_palettes[0]) bkgr_palettes[1][0] = gba.decode_palette(bkgr_palettes_data1) for mode in (0,1): bkgr_map = lz77.decompress(rom[bkgr_maps_addr[mode]:]) for gender in (0,1): bkgr_map_tiles = gba.decode_tilemap(bkgr_map, bkgr_tiles, bkgr_palettes[gender]) bkgr_img = gba.combine_tiles(bkgr_map_tiles, 32) bkgr_img = bkgr_img.crop((0, 0, 240, 160)) bkgr_img.save("export/textures/background{}_{}.png".format(mode, GENDERNAMES[gender]))
def decode_tilemap_at(rom, codec, image_ptr, palettes_ptr, tilemap_ptr, width=16): image_offset = get_rom_addr(image_ptr) palettes_offset = get_rom_addr(palettes_ptr) tilemap_offset = get_rom_addr(tilemap_ptr) bpp = codec.getBitsPerPixel() if check_valid(rom, image_offset, strict=True): print("Loading compressed image at", hex(image_ptr)) image_data = lz77.decompress(rom, image_offset) else: print("Loading uncompressed image at", hex(image_ptr)) image_len = 1024 * codec.getTileSize() # Max amount of tiles image_data = rom[image_offset : image_offset + image_len] tile_size = codec.getTileSize() if len(image_data) % tile_size: # Fill remaining tile with padding bytes image_data += b"\x00" * (tile_size - len(image_data) % tile_size) pal_size = gba.get_palette_size(bpp) if check_valid(rom, palettes_offset, strict=True): print("Loading compressed palettes at", hex(palettes_ptr)) palettes_data = lz77.decompress(rom, palettes_offset) if len(palettes_data) < pal_size: return "PALETTE_TOO_SMALL" else: print("Loading uncompressed palettes at", hex(palettes_ptr)) palettes_len = 16 * pal_size # Max amount of palettes palettes_data = rom[palettes_offset : palettes_offset + palettes_len] if check_valid(rom, tilemap_offset, strict=True): print("Loading compressed tilemap at", hex(tilemap_ptr)) tilemap = lz77.decompress(rom, tilemap_offset) else: print("Loading uncompressed tilemap at", hex(tilemap_ptr)) tilemap_len = 1024 # Max tilemap size (maybe) tilemap = rom[tilemap_offset : tilemap_offset + tilemap_len] try: tiles = list(gba.iter_decode_tiles(codec, image_data)) except: return "IMAGE_DECODE_FAILED" try: palettes = list(gba.iter_decode_palettes(palettes_data, bpp=bpp, alpha=True)) except: return "PALETTE_DECODE_FAILED" try: tilemap_tiles = gba.decode_tilemap(tilemap, tiles, palettes) img = gba.combine_tiles(tilemap_tiles, width) except: return "TILEMAP_DECODE_FAILED" return img