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Added some extra validation.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@697 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2004-12-29 03:22:09 +00:00
parent 3e9ce35b49
commit b49714565c
1 changed files with 6 additions and 4 deletions
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10
engine/gl/gl_model.c
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@ -1685,15 +1685,13 @@ void GLMod_LoadTexinfo (lump_t *l)
miptex = LittleLong (in->miptex);
out->flags = LittleLong (in->flags);
if (!loadmodel->textures)
if (!loadmodel->textures || miptex < 0 || miptex >= loadmodel->numtextures)
{
out->texture = r_notexture_mip; // checkerboard texture
out->flags = 0;
}
else
{
if (miptex >= loadmodel->numtextures)
Sys_Error ("miptex >= loadmodel->numtextures");
out->texture = loadmodel->textures[miptex];
if (!out->texture)
{
@ -1772,6 +1770,7 @@ void GLMod_LoadFaces (lump_t *l)
msurface_t *out;
int i, count, surfnum;
int planenum, side;
int tn;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
@ -1794,7 +1793,10 @@ void GLMod_LoadFaces (lump_t *l)
out->plane = loadmodel->planes + planenum;
out->texinfo = loadmodel->texinfo + LittleShort (in->texinfo);
tn = LittleShort (in->texinfo);
if (tn < 0 || tn >= loadmodel->numtexinfo)
Host_EndGame("Hey! That map has texinfos out of bounds!\n");
out->texinfo = loadmodel->texinfo + tn;
CalcSurfaceExtents (out);