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Fix overflow in precipitation sector search

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This commit is contained in:
James R 2022-01-14 22:36:49 -08:00
parent fa6d4bfb2d
commit 521f8eac3e
1 changed files with 5 additions and 4 deletions
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9
src/p_mobj.c
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@ -10536,7 +10536,8 @@ void P_PrecipitationEffects(void)
volume = 255; // Sky above? We get it full blast.
else
{
fixed_t x, y, yl, yh, xl, xh;
/* GCC is optimizing away y >= yl, FUCK YOU */
volatile fixed_t x, y, yl, yh, xl, xh;
fixed_t closedist, newdist;
// Essentially check in a 1024 unit radius of the player for an outdoor area.
@ -10545,8 +10546,8 @@ void P_PrecipitationEffects(void)
xl = players[g_localplayers[0]].mo->x - 1024*FRACUNIT;
xh = players[g_localplayers[0]].mo->x + 1024*FRACUNIT;
closedist = 2048*FRACUNIT;
for (y = yl; y <= yh; y += FRACUNIT*64)
for (x = xl; x <= xh; x += FRACUNIT*64)
for (y = yl; y >= yl && y <= yh; y += FRACUNIT*64)
for (x = xl; x >= xl && x <= xh; x += FRACUNIT*64)
{
if (R_PointInSubsector(x, y)->sector->ceilingpic == skyflatnum) // Found the outdoors!
{
@ -13316,4 +13317,4 @@ fixed_t P_GetMobjZMovement(mobj_t *mo)
speed = FixedHypot(mo->momx, mo->momy);
return P_ReturnThrustY(mo, slope->zangle, P_ReturnThrustX(mo, angDiff, speed));
}
}