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fix bug when loading POINT.DAT (fix #8 )

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lifegpc
2026-05-01 15:34:55 +08:00
parent b7e9ef633a
commit aafe7411e2
1 changed files with 15 additions and 2 deletions
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17
src/scripts/softpal/scr/mod.rs
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@@ -128,12 +128,25 @@ impl SoftpalScript {
fn load_point_data(mut data: MemReader) -> Result<Vec<u32>> {
let mut magic = [0u8; 16];
data.read_exact(&mut magic)?;
if magic != *b"$POINT_LIST_****" {
if magic != *b"$POINT_LIST_****" && magic != *b"_POINT_LIST_****" {
return Err(anyhow::anyhow!("Invalid point list magic: {:?}", magic));
}
let is_crypted = magic[0] == b'$' && {
let first_offset = data.cpeek_u32()?;
first_offset & 0xFF000000 != 0
};
let mut label_offsets = Vec::new();
let mut shift = 4;
while !data.is_eof() {
label_offsets.push(data.read_u32()? + CODE_OFFSET);
let mut val = data.read_u32()?;
if is_crypted {
let mut add = val.to_le_bytes();
add[0] = add[0].rotate_left(shift);
shift = (shift + 1) % 8;
val = u32::from_le_bytes(add);
val ^= 0x084DF873 ^ 0xFF987DEE;
}
label_offsets.push(val + CODE_OFFSET);
}
label_offsets.reverse();
Ok(label_offsets)