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Rides Again: Possible array index by -1 in Proj_DoHitscan(). Added check to prevent this.

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sirlemonhead 2021-07-25 02:00:35 +01:00 committed by Mitchell Richters
parent 2217dcb632
commit e4fb67bc25
1 changed files with 2 additions and 2 deletions
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4
source/games/duke/src/player_r.cpp
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@ -111,7 +111,7 @@ static void shootmelee(DDukeActor *actor, int p, int sx, int sy, int sz, int sa,
bsin(sa), zvel << 6,
&hitsect, &hitwall, &hitsprt, &hitx, &hity, &hitz, CLIPMASK1);
if (isRRRA() && ((sector[hitsect].lotag == 160 && zvel > 0) || (sector[hitsect].lotag == 161 && zvel < 0))
if (isRRRA() && hitsect >= 0 && ((sector[hitsect].lotag == 160 && zvel > 0) || (sector[hitsect].lotag == 161 && zvel < 0))
&& hitsprt == nullptr && hitwall == -1)
{
DukeLinearSpriteIterator its;
@ -268,7 +268,7 @@ static void shootweapon(DDukeActor* actor, int p, int sx, int sy, int sz, int sa
hitscan(sx, sy, sz, sect, bcos(sa), bsin(sa),
zvel << 6, &hitsect, &hitwall, &hitsprt, &hitx, &hity, &hitz, CLIPMASK1);
if (isRRRA() && (((sector[hitsect].lotag == 160 && zvel > 0) || (sector[hitsect].lotag == 161 && zvel < 0))
if (isRRRA() && hitsect >= 0 && (((sector[hitsect].lotag == 160 && zvel > 0) || (sector[hitsect].lotag == 161 && zvel < 0))
&& hitsprt == nullptr && hitwall == -1))
{
DukeLinearSpriteIterator its;