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add dMsgUnit_c::setTag bug fix

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TakaRikka
2026-04-20 05:15:02 -07:00
parent c7b609945b
commit f76a4d7087
1 changed files with 25 additions and 0 deletions
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src/d/d_msg_unit.cpp
+25
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@@ -271,6 +271,30 @@ void dMsgUnit_c::setTag(int i_type, int i_value, char* o_buffer, bool param_4) {
u32 filesize = pHeader->size;
u8* pSection = ((u8*)pHeader) + filepos;
#if TARGET_PC
// patch bug in the original game where filepos would be incremented by the next section's size rather than the current section size.
// in certain scenarios this would read past the end of the file, incrementing filepos by 0 in an infinite loop
while (filepos < filesize) {
switch (((bmg_section_t*)pSection)->magic) {
case 'FLW1':
break;
case 'FLI1':
break;
case 'INF1':
pInfoBlock = (bmg_section_t*)pSection;
break;
case 'DAT1':
pMsgDataBlock = pSection;
break;
case 'STR1':
pStrAttributeBlock = (str1_section_t*)pSection;
break;
}
filepos += ((bmg_section_t*)pSection)->size;
pSection += ((bmg_section_t*)pSection)->size;
}
#else
for (; filepos < filesize; filepos += ((bmg_section_t*)pSection)->size) {
switch (((bmg_section_t*)pSection)->magic) {
case 'FLW1':
@@ -289,6 +313,7 @@ void dMsgUnit_c::setTag(int i_type, int i_value, char* o_buffer, bool param_4) {
}
pSection += ((bmg_section_t*)pSection)->size;
}
#endif
// This section is weird. The debug seems like entriesStr is outside the condition
// but the normal build doesn't really work with that. Same for pInfoBlock->entries.