from math import ceil import os, sys from pathlib import Path from segtypes.n64.segment import N64Segment from util.n64.Yay0decompress import Yay0Decompressor from segtypes.n64.palette import iter_in_groups from util import options import png # type: ignore import yaml as yaml_loader import n64img.image SPLAT_EXT_DIR = os.path.dirname(os.path.abspath(__file__)) sys.path.append(str(Path(SPLAT_EXT_DIR))) from tex_archives import TexArchive script_dir = Path(os.path.dirname(os.path.realpath(__file__))) def decode_null_terminated_ascii(data): length = 0 for byte in data: if byte == 0: break length += 1 return data[:length].decode("ascii") def parse_palette(data): palette = [] # RRRRRGGG GGBBBBBA def unpack_color(data): s = int.from_bytes(data[0:2], byteorder="big") r = (s >> 11) & 0x1F g = (s >> 6) & 0x1F b = (s >> 1) & 0x1F a = (s & 1) * 0xFF r = ceil(0xFF * (r / 31)) g = ceil(0xFF * (g / 31)) b = ceil(0xFF * (b / 31)) return r, g, b, a for a, b in iter_in_groups(data, 2): palette.append(unpack_color([a, b])) return palette def add_file_ext(name: str, linker: bool = False) -> str: if name.startswith("party_"): return "party/" + name + ".png" elif name.endswith("_hit"): return "geom/" + name + ".bin" elif name.endswith("_shape"): if linker: name += "_built" return "geom/" + name + ".bin" elif name.endswith("_tex"): return "tex/" + name + ".bin" elif name.endswith("_bg"): return "bg/" + name + ".png" else: return name + ".bin" class N64SegPm_map_data(N64Segment): def __init__( self, rom_start, rom_end, type, name, vram_start, args, yaml, ): super().__init__( rom_start, rom_end, type, name, vram_start, args=args, yaml=yaml, ) with open(script_dir / "map_data.yaml") as f: self.files = yaml_loader.load(f.read(), Loader=yaml_loader.SafeLoader) def split(self, rom_bytes): assert isinstance(self.rom_start, int) fs_dir = options.opts.asset_path / self.dir / self.name (fs_dir / "title").mkdir(parents=True, exist_ok=True) (fs_dir / "party").mkdir(parents=True, exist_ok=True) (fs_dir / "bg").mkdir(parents=True, exist_ok=True) (fs_dir / "tex").mkdir(parents=True, exist_ok=True) (fs_dir / "geom").mkdir(parents=True, exist_ok=True) data = rom_bytes[self.rom_start : self.rom_end] asset_idx = 0 while True: asset_data = data[0x20 + asset_idx * 0x1C :] name = decode_null_terminated_ascii(asset_data[0:]) offset = int.from_bytes(asset_data[0x10:0x14], byteorder="big") size = int.from_bytes(asset_data[0x14:0x18], byteorder="big") decompressed_size = int.from_bytes(asset_data[0x18:0x1C], byteorder="big") is_compressed = size != decompressed_size if offset == 0: path = None else: path = fs_dir / add_file_ext(name) if name == "end_data": break bytes_start = self.rom_start + 0x20 + offset bytes = rom_bytes[bytes_start : bytes_start + size] if is_compressed: bytes = Yay0Decompressor.decompress_python(bytes) if name.startswith("party_"): assert path is not None with open(path, "wb") as f: # CI-8 w = png.Writer(150, 105, palette=parse_palette(bytes[:0x200])) w.write_array(f, bytes[0x200:]) elif name == "title_data": if "ver/us" in str(options.opts.target_path) or "ver/pal" in str(options.opts.target_path): w = 200 h = 112 img = n64img.image.RGBA32(data=bytes[0x2210 : 0x2210 + w * h * 4], width=w, height=h) img.write(fs_dir / "title/logotype.png") w = 144 h = 32 img = n64img.image.IA8(data=bytes[0x10 : 0x10 + w * h], width=w, height=h) img.write(fs_dir / "title/copyright.png") w = 128 h = 32 img = n64img.image.IA8(data=bytes[0x1210 : 0x1210 + w * h], width=w, height=h) img.write(fs_dir / "title/press_start.png") else: w = 272 h = 88 img = n64img.image.RGBA32(data=bytes[0x1830 : 0x1830 + w * h * 4], width=w, height=h) img.write(fs_dir / "title/logotype.png") w = 128 h = 32 img = n64img.image.CI4(data=bytes[0x10 : 0x10 + (w * h // 2)], width=w, height=h) img.palette = parse_palette(bytes[0x810:0x830]) img.write(fs_dir / "title/copyright.png") w = 128 h = 32 img = n64img.image.IA8(data=bytes[0x830 : 0x830 + w * h], width=w, height=h) img.write(fs_dir / "title/press_start.png") elif name.endswith("_bg"): def write_bg_png(bytes, path, header_offset=0): header = bytes[header_offset : header_offset + 0x10] raster_offset = int.from_bytes(header[0:4], byteorder="big") - 0x80200000 palette_offset = int.from_bytes(header[4:8], byteorder="big") - 0x80200000 assert int.from_bytes(header[8:12], byteorder="big") == 0x000C0014 # draw pos width = int.from_bytes(header[12:14], byteorder="big") height = int.from_bytes(header[14:16], byteorder="big") with open(path, "wb") as f: # CI-8 w = png.Writer( width, height, palette=parse_palette(bytes[palette_offset : palette_offset + 512]), ) w.write_array(f, bytes[raster_offset:]) write_bg_png(bytes, fs_dir / "bg" / f"{name}.png") # sbk_bg has an alternative palette if name == "sbk_bg": write_bg_png(bytes, fs_dir / "bg" / f"{name}.alt.png", header_offset=0x10) elif name.endswith("_tex"): TexArchive.extract(bytes, fs_dir / "tex" / name) else: assert path is not None with open(path, "wb") as f: f.write(bytes) asset_idx += 1 def get_linker_entries(self): from segtypes.linker_entry import LinkerEntry fs_dir = options.opts.asset_path / self.dir / self.name return [ LinkerEntry( self, [fs_dir / add_file_ext(name, linker=True) for name in self.files], fs_dir.with_suffix(".dat"), ".data", ".data", ), ]