mirror of
https://github.com/cainan-c/TaikoPythonTools.git
synced 2024-12-18 01:55:53 +01:00
147 lines
6.0 KiB
Python
147 lines
6.0 KiB
Python
import argparse
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import os
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from PIL import Image
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import struct
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class TextureSurface:
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def __init__(self):
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self.mipmaps = []
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class NutTexture:
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def __init__(self, width, height, pixel_format, pixel_type):
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self.surfaces = [TextureSurface()]
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self.Width = width
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self.Height = height
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self.pixelInternalFormat = pixel_format
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self.pixelFormat = pixel_type
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def add_mipmap(self, mipmap_data):
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self.surfaces[0].mipmaps.append(mipmap_data)
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@property
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def MipMapsPerSurface(self):
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return len(self.surfaces[0].mipmaps)
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def getNutFormat(self):
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if self.pixelInternalFormat == 'RGBA':
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return 14
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raise NotImplementedError("Only RGBA format is implemented")
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class NUT:
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def __init__(self):
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self.textures = []
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def add_texture(self, texture):
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self.textures.append(texture)
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def save(self, filename):
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with open(filename, 'wb') as f:
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f.write(self.build())
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def build(self):
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data = bytearray()
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num_textures = len(self.textures)
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# File header
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header = struct.pack(">IHH", 0x4E545033, 0x0200, num_textures)
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data.extend(header)
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# Initial offset (0x18 bytes for the header, then 0x4 bytes per texture offset)
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texture_offset_base = 0x18 + (0x4 * num_textures)
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texture_headers_offset = texture_offset_base
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texture_data_offset = texture_headers_offset + (0x50 * num_textures)
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# Ensure texture data starts at the correct offset (0x42E0)
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texture_data_offset = max(texture_data_offset, 0x4000)
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# Offset table
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texture_offsets = []
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for texture in self.textures:
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texture_offsets.append(texture_data_offset)
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texture_data_offset += 0x50 + sum(len(mipmap) for mipmap in texture.surfaces[0].mipmaps)
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for offset in texture_offsets:
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data.extend(struct.pack(">I", offset))
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# Texture headers and mipmaps
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for texture, offset in zip(self.textures, texture_offsets):
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data.extend(self.build_texture_header(texture, offset))
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for texture in self.textures:
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for mipmap in texture.surfaces[0].mipmaps:
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data.extend(mipmap)
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return data
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def build_texture_header(self, texture, offset):
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mipmap_count = texture.MipMapsPerSurface
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size = texture.Width * texture.Height * 4 # Texture size
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header = struct.pack(">IIIIHHIIII",
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size, texture.Width, texture.Height, 0, 0,
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mipmap_count, texture.getNutFormat(),
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texture.Width, texture.Height, 0)
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additional_data = b'\x65\x58\x74\x00\x00\x00\x00\x20\x00\x00\x00\x10\x00\x00\x00\x00' \
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b'\x47\x49\x44\x58\x00\x00\x00\x10\x00\x00\x00\x05\x00\x00\x00\x00'
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return header + additional_data.ljust(0x50 - len(header), b'\x00')
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def modify_nut_file(self, file_path, output_path):
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# Set replacement bytes to 00
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with open(file_path, 'rb') as f:
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data = bytearray(f.read())
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# Replace bytes from 0x00 to 0x1F0
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#data[0x00:0x1EF] = replacement_bytes
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# Delete bytes from 0x42E0 to 0x42F3 (0x42E0 to 0x42F4 inclusive)
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del data[0x42E0:0x42F3]
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del data[0x0040:0x0044]
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data[0x1F0:0x1F0] = b'\x00\x00\x00\x00'
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data[0x008:0x010] = b'\x00\x00\x00\x00\x00\x00\x00\x00'
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data[0x010:0x040] = b'\x00\x02\xd0P\x00\x00\x00\x00\x00\x02\xd0\x00\x00P\x00\x00\x00\x01\x00\x0e\x02\xd0\x00@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xe0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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data[0x060:0x090] = b'\x00\x04\x92P\x00\x00\x00\x00\x00\x04\x92\x00\x00P\x00\x00\x00\x01\x00\x0e\x02\xd0\x00h\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\xd1\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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data[0x0B0:0x0E0] = b'\x00\x02\xd0P\x00\x00\x00\x00\x00\x02\xd0\x00\x00P\x00\x00\x00\x01\x00\x0e\x02\xd0\x00@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07c@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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data[0x100:0x130] = b'\x00\x02X\x50\x00\x00\x00\x00\x00\x02X\x00\x00P\x00\x00\x00\x01\x00\x0e\x00`\x01\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\n2\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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data[0x150:0x180] = b'\x00\x01^P\x00\x00\x00\x00\x00\x01^\x00\x00P\x00\x00\x00\x01\x00\x0e\x00\x38\x01\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x8a\xa0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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data[0x1A0:0x1D0] = b'\x00\x01^P\x00\x00\x00\x00\x00\x01^\x00\x00P\x00\x00\x00\x01\x00\x0e\x00\x38\x01\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\r\xe8P\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
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data[0x5B:0x5C] = b'\x00'
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data[0xAB:0xAC] = b'\x01'
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data[0xFB:0xFC] = b'\x02'
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data[0x14B:0x14C] = b'\x03'
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data[0x19B:0x19C] = b'\x04'
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# Add three 0x00 bytes to the end of the file
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data.extend(b'\x00\x00\x00')
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with open(output_path, 'wb') as f:
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f.write(data)
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def load_png_to_texture(filepath):
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with Image.open(filepath) as img:
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img = img.convert("RGBA")
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width, height = img.size
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mipmap_data = img.tobytes()
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texture = NutTexture(width, height, "RGBA", "RGBA")
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texture.add_mipmap(mipmap_data)
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return texture
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def main():
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parser = argparse.ArgumentParser(description="Convert a folder of PNGs to a NUT file.")
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parser.add_argument("input_folder", help="Folder containing PNG files")
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parser.add_argument("output_file", help="Output NUT file")
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args = parser.parse_args()
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nut = NUT()
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for filename in os.listdir(args.input_folder):
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if filename.endswith(".png"):
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texture = load_png_to_texture(os.path.join(args.input_folder, filename))
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nut.add_texture(texture)
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# Save the NUT file
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nut_filename = args.output_file
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nut.save(nut_filename)
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# Modify the saved NUT file
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output_filename = nut_filename # You can modify this if needed
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nut.modify_nut_file(nut_filename, output_filename)
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if __name__ == "__main__":
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main()
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