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Use uwalltype in inside() to avoid invoking the struct trackers

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git-svn-id: https://svn.eduke32.com/eduke32@7578 1a8010ca-5511-0410-912e-c29ae57300e0
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terminx 2019-04-18 17:23:35 +00:00 committed by Christoph Oelckers
parent bcf8ae4d84
commit a32597464f
1 changed files with 3 additions and 2 deletions
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5
source/build/src/engine.cpp
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@ -10218,7 +10218,7 @@ void vox_undefine(int32_t const tile)
// "Inside details" for the idea behind the algorithm.
int32_t inside(int32_t x, int32_t y, int16_t sectnum)
{
if (sectnum >= 0 && sectnum < numsectors)
if ((unsigned)sectnum < (unsigned)numsectors)
{
uint32_t cnt1 = 0, cnt2 = 0;
uwalltype const * wal = (uwalltype *) &wall[sector[sectnum].wallptr];
@ -10229,7 +10229,8 @@ int32_t inside(int32_t x, int32_t y, int16_t sectnum)
// Get the x and y components of the [tested point]-->[wall
// point{1,2}] vectors.
vec2_t v1 = { wal->x - x, wal->y - y };
vec2_t v2 = { wall[wal->point2].x - x, wall[wal->point2].y - y };
auto const &wal2 = *(uwalltype *)&wall[wal->point2];
vec2_t v2 = { wal2.x - x, wal2.y - y };
// First, test if the point is EXACTLY_ON_WALL_POINT.
if ((v1.x|v1.y) == 0 || (v2.x|v2.y)==0)