mirror of
https://github.com/CosmicScale/PSBBN-Definitive-English-Patch.git
synced 2025-08-23 13:11:48 +02:00
103 lines
4.0 KiB
Python
103 lines
4.0 KiB
Python
import sys
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import struct
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import unicodedata
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import os
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def read_rgb_rgba_block_raw(data, offset):
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# Return native 0–127 values without scaling for PSBBN
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r = data[offset]
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g = data[offset + 4]
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b = data[offset + 8]
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return (r, g, b)
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def read_light_rgb_floats_raw(data, offset):
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# Read float32 values and map directly to 0–127
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return tuple(
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max(0, min(127, round(struct.unpack('<f', data[offset + i*4 : offset + i*4 + 4])[0] * 127)))
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for i in range(3)
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)
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def read_light_direction(data, offset):
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return struct.unpack('<fff', data[offset:offset+12])
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def decode_title_pair(data, title_offset=0xC0, length=68):
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split_offset = struct.unpack("<H", data[0x06:0x08])[0]
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title_block = data[title_offset:title_offset + length]
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title0_bytes = title_block[:split_offset]
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title1_bytes = title_block[split_offset:]
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try:
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title0 = title0_bytes.split(b'\x00')[0].decode('shift_jis', errors='ignore').strip()
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title0 = unicodedata.normalize('NFKC', title0)
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except:
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title0 = "[decode error]"
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try:
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title1 = title1_bytes.split(b'\x00')[0].decode('shift_jis', errors='ignore').strip()
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title1 = unicodedata.normalize('NFKC', title1)
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except:
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title1 = ""
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return title0, title1
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def parse_icon_sys(filepath):
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with open(filepath, "rb") as f:
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data = f.read()
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if data[:4] != b"PS2D":
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raise ValueError("This is not a valid icon.sys file (missing PS2D header).")
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title0, title1 = decode_title_pair(data)
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parsed = {
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"title0": title0,
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"title1": title1,
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"bgcola": data[0x0C],
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"bgcol0": read_rgb_rgba_block_raw(data, 0x10),
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"bgcol1": read_rgb_rgba_block_raw(data, 0x20),
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"bgcol2": read_rgb_rgba_block_raw(data, 0x30),
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"bgcol3": read_rgb_rgba_block_raw(data, 0x40),
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"lightdir0": read_light_direction(data, 0x50),
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"lightdir1": read_light_direction(data, 0x60),
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"lightdir2": read_light_direction(data, 0x70),
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"lightcol0": read_light_rgb_floats_raw(data, 0x80),
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"lightcol1": read_light_rgb_floats_raw(data, 0x90),
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"lightcol2": read_light_rgb_floats_raw(data, 0xA0),
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"lightcolamb": read_light_rgb_floats_raw(data, 0xB0),
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"uninstallmes0": "",
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"uninstallmes1": "",
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"uninstallmes2": ""
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}
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return parsed
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def write_icon_txt(parsed, output_path):
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lines = [
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"PS2X",
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f"title0={parsed['title0']}",
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f"title1={parsed['title1']}",
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f"bgcola={parsed['bgcola']}",
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f"bgcol0={','.join(map(str, parsed['bgcol0']))}",
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f"bgcol1={','.join(map(str, parsed['bgcol1']))}",
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f"bgcol2={','.join(map(str, parsed['bgcol2']))}",
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f"bgcol3={','.join(map(str, parsed['bgcol3']))}",
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f"lightdir0={','.join(f'{v:.4f}' for v in parsed['lightdir0'])}",
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f"lightdir1={','.join(f'{v:.4f}' for v in parsed['lightdir1'])}",
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f"lightdir2={','.join(f'{v:.4f}' for v in parsed['lightdir2'])}",
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f"lightcolamb={','.join(map(str, parsed['lightcolamb']))}",
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f"lightcol0={','.join(map(str, parsed['lightcol0']))}",
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f"lightcol1={','.join(map(str, parsed['lightcol1']))}",
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f"lightcol2={','.join(map(str, parsed['lightcol2']))}",
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f"uninstallmes0={parsed['uninstallmes0']}",
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f"uninstallmes1={parsed['uninstallmes1']}",
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f"uninstallmes2={parsed['uninstallmes2']}"
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]
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with open(output_path, "w", encoding="utf-8") as f:
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f.write("\n".join(lines))
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print(f"[✓] icon.txt successfully written to: {output_path}")
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if __name__ == "__main__":
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if len(sys.argv) != 2:
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print("Usage: python icon_sys_to_txt.py path/to/icon.sys")
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sys.exit(1)
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icon_sys_path = sys.argv[1]
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out_path = os.path.join(os.path.dirname(icon_sys_path), "icon.txt")
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try:
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parsed_data = parse_icon_sys(icon_sys_path)
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write_icon_txt(parsed_data, out_path)
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except Exception as e:
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print(f"[!] Failed to parse icon.sys: {e}")
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