X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=svbsp.c;h=1ad7fafc82248c7826c96da409514800468c1fa4;hb=90438de3331f6c15526ad54d4c7fec1f4f0e8117;hp=85b82a49d222805e802f26e99c8e3a290a9ac33f;hpb=76e259b17603c4ab2c22bf7238c72847c5dbe505;p=xonotic%2Fdarkplaces.git diff --git a/svbsp.c b/svbsp.c index 85b82a49..1ad7fafc 100644 --- a/svbsp.c +++ b/svbsp.c @@ -1,14 +1,14 @@ -// Shadow Volume BSP code written by Forest "LordHavoc" Hale on 2003-11-06 and placed into public domain. -// Modified by LordHavoc (to make it work and other nice things like that) on 2007-01-24 and 2007-01-25 -// Optimized by LordHavoc on 2009-12-24 and 2009-12-25 +// Shadow Volume BSP code written by Ashley Rose Hale (LadyHavoc) on 2003-11-06 and placed into public domain. +// Modified by LadyHavoc (to make it work and other nice things like that) on 2007-01-24 and 2007-01-25 +// Optimized by LadyHavoc on 2009-12-24 and 2009-12-25 #include #include #include "svbsp.h" #include "polygon.h" -#define MAX_SVBSP_POLYGONPOINTS 16 +#define MAX_SVBSP_POLYGONPOINTS 64 #define SVBSP_CLIP_EPSILON (1.0f / 1024.0f) #define SVBSP_DotProduct(a,b) ((a)[0]*(b)[0]+(a)[1]*(b)[1]+(a)[2]*(b)[2]) @@ -409,6 +409,9 @@ int SVBSP_AddPolygon(svbsp_t *b, int numpoints, const float *points, int inserto // note we still allow points and lines to be tested... if (numpoints < 1) return 0; + // if the polygon has too many points, we would crash + if (numpoints > MAX_SVBSP_POLYGONPOINTS) + return 0; poly.numpoints = numpoints; for (i = 0;i < numpoints;i++) {