def rttex_to_png(in_path, out_path): with open(in_path, 'rb') as f: magic = f.read(4) if magic != b'RTTX': raise Exception("Not an RTTEX file") version = read_u16(f) format_id = read_u16(f) width = read_u32(f) height = read_u32(f)
Converting these files requires specific tools capable of decoding the Proton SDK's texture compression. Key resources include: rttex to png
Offset Size Description 0x00 4 Magic "RTTX" 0x04 2 Version 0x06 2 Format (DXT1, DXT5, ARGB, etc.) 0x08 4 Width 0x0C 4 Height 0x10 ... Mipmap data + pixel bytes Converting RTF to PNG: A Step-by-Step Guide def
Download OpenIV → Open any .rpf → Find .rtex → Right-click → Export as PNG. out_path): with open(in_path