mirror of
https://github.com/CosmicScale/PSBBN-Definitive-English-Patch.git
synced 2025-08-23 13:11:48 +02:00
103 lines
2.8 KiB
Python
103 lines
2.8 KiB
Python
import sys
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import os
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import unicodedata
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# Mapping for unsupported or problematic characters
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REPLACEMENTS = {
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"'": "’",
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"-": "ー",
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# Subscript numbers
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"₀": "０",
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"₁": "１",
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"₂": "２",
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"₃": "３",
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"₄": "４",
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"₅": "５",
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"₆": "６",
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"₇": "７",
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"₈": "８",
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"₉": "９",
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}
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def ascii_to_fullwidth(text):
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result = []
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for c in text:
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# Replace mapped characters
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if c in REPLACEMENTS:
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c = REPLACEMENTS[c]
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# Decompose accented characters to base (e.g., é → e)
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c = unicodedata.normalize('NFD', c)[0]
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code = ord(c)
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if 0x21 <= code <= 0x7E:
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fullwidth_char = chr(code + 0xFEE0)
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elif c == ' ':
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fullwidth_char = '\u3000'
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else:
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fullwidth_char = c
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result.append(fullwidth_char)
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return ''.join(result)
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def sanitize_for_shift_jis(text):
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return ''.join(c for c in text if can_encode_shift_jis(c))
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def can_encode_shift_jis(char):
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try:
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char.encode("shift_jis")
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return True
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except UnicodeEncodeError:
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return False
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def update_icon_sys(path, title0, title1):
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if len(title0) > 16 or len(title1) > 16:
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print("[!] Error: Both title0 and title1 must be 16 characters or fewer.")
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sys.exit(1)
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try:
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with open(path, "rb") as f:
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data = bytearray(f.read())
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title_block_offset = 0xC0
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title_block_length = 68
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# Convert to full-width, replace unsupported, and sanitize
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title0_fw = sanitize_for_shift_jis(ascii_to_fullwidth(title0))
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title1_fw = sanitize_for_shift_jis(ascii_to_fullwidth(title1))
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title0_encoded = title0_fw.encode("shift_jis")
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title1_encoded = title1_fw.encode("shift_jis")
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split_offset = len(title0_encoded)
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if split_offset > 68:
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print("[!] Error: title0 too long after encoding.")
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sys.exit(1)
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title_combined = title0_encoded + title1_encoded
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title_block = title_combined[:title_block_length].ljust(title_block_length, b'\x00')
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# Set split offset at byte 0x06
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data[0x06] = split_offset
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data[title_block_offset:title_block_offset + title_block_length] = title_block
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with open("icon.sys", "wb") as f:
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f.write(data)
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# print(f"[✓] Updated icon.sys with dynamic split offset ({split_offset:#04x}): {path}")
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except Exception as e:
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print(f"[!] Failed to update icon.sys: {e}")
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sys.exit(1)
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if __name__ == "__main__":
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if len(sys.argv) != 4:
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print("Usage: python3 txt_to_icon_sys.py path/to/icon.sys title0 title1")
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sys.exit(1)
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_, icon_path, title0, title1 = sys.argv
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if not os.path.isfile(icon_path):
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print(f"[!] File not found: {icon_path}")
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sys.exit(1)
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update_icon_sys(icon_path, title0, title1)
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