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w_wad for lumpnums: Use bitwise and instead of addition

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Makes the mathematical logic of what's being done clearer
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toaster 2025-09-18 12:37:44 +01:00
parent 1517ba4d89
commit a01300cd54
1 changed files with 6 additions and 6 deletions
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12
src/w_wad.cpp
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@ -1397,7 +1397,7 @@ lumpnum_t W_CheckNumForName(const char *name)
lumpnumcacheindex = (lumpnumcacheindex + 1) & (LUMPNUMCACHESIZE - 1);
memset(lumpnumcache[lumpnumcacheindex].lumpname, '\0', LUMPNUMCACHENAME);
strncpy(lumpnumcache[lumpnumcacheindex].lumpname, name, 8);
lumpnumcache[lumpnumcacheindex].lumpnum = (i << 16) + check;
lumpnumcache[lumpnumcacheindex].lumpnum = (i << 16) | check;
lumpnumcache[lumpnumcacheindex].lumphash = hash;
return lumpnumcache[lumpnumcacheindex].lumpnum;
@ -1454,11 +1454,11 @@ lumpnum_t W_CheckNumForLongName(const char *name)
lumpnumcacheindex = (lumpnumcacheindex + 1) & (LUMPNUMCACHESIZE - 1);
memset(lumpnumcache[lumpnumcacheindex].lumpname, '\0', LUMPNUMCACHENAME);
strlcpy(lumpnumcache[lumpnumcacheindex].lumpname, name, LUMPNUMCACHENAME);
lumpnumcache[lumpnumcacheindex].lumpnum = (i << 16) + check;
lumpnumcache[lumpnumcacheindex].lumpnum = (i << 16) | check;
lumpnumcache[lumpnumcacheindex].lumphash = hash;
}
return (i << 16) + check;
return (i << 16) | check;
}
}
@ -1505,11 +1505,11 @@ lumpnum_t W_CheckNumForMap(const char *name, boolean checktofirst)
lumpnumcacheindex = (lumpnumcacheindex + 1) & (LUMPNUMCACHESIZE - 1);
memset(lumpnumcache[lumpnumcacheindex].lumpname, '\0', LUMPNUMCACHENAME);
strlcpy(lumpnumcache[lumpnumcacheindex].lumpname, name, LUMPNUMCACHENAME);
lumpnumcache[lumpnumcacheindex].lumpnum = (i << 16) + check;
lumpnumcache[lumpnumcacheindex].lumpnum = (i << 16) | check;
lumpnumcache[lumpnumcacheindex].lumphash = hash;
}
return (i << 16) + check;
return (i << 16) | check;
}
}
@ -1608,7 +1608,7 @@ lumpnum_t W_CheckNumForNameInFolder(const char *lump, const char *folder)
check = W_CheckNumForLongNamePwad(lump, (UINT16)i, fsid);
if (check < feid)
{
return (i<<16) + check; // found it, in our constraints
return (i<<16) | check; // found it, in our constraints
}
}
}