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Fix collision misses on high coordinate values

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Gustaf Alhäll 2025-08-17 22:05:20 +02:00 committed by NepDisk
parent cab86f9ad3
commit f58ed92bd0
1 changed files with 4 additions and 4 deletions
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8
src/p_maputl.c
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@ -1756,8 +1756,8 @@ boolean P_PathTraverse(fixed_t px1, fixed_t py1, fixed_t px2, fixed_t py2,
py2 -= bmaporgy;
// blockmap traversal algorithm ported from antimony
int gridpos_x = px1 >> MAPBLOCKSHIFT;
int gridpos_y = py1 >> MAPBLOCKSHIFT;
int gridpos_x = (unsigned)px1 >> MAPBLOCKSHIFT;
int gridpos_y = (unsigned)py1 >> MAPBLOCKSHIFT;
if (flags & PT_ADDLINES)
if (!P_BlockLinesIterator(gridpos_x, gridpos_y, PIT_AddLineIntercepts))
return false; // early out
@ -1765,8 +1765,8 @@ boolean P_PathTraverse(fixed_t px1, fixed_t py1, fixed_t px2, fixed_t py2,
if (!P_BlockThingsIterator(gridpos_x, gridpos_y, PIT_AddThingIntercepts))
return false; // early out
int endpos_x = px2 >> MAPBLOCKSHIFT;
int endpos_y = py2 >> MAPBLOCKSHIFT;
int endpos_x = (unsigned)px2 >> MAPBLOCKSHIFT;
int endpos_y = (unsigned)py2 >> MAPBLOCKSHIFT;
if (gridpos_x == endpos_x && gridpos_y == endpos_y)
return P_TraverseIntercepts(trav, FRACUNIT);