fixed a crash with r_lerpsprites 0 mode

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@3808 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/r_sprites.c b/r_sprites.c
index 5529c24eff262c1559895c02b3761ebf8c2fc44b..d215d4940556bc4f393b32a08d157b7fd5c7c934 100644 (file)
--- a/r_sprites.c
+++ b/r_sprites.c
@@ -131,9 +131,12 @@ void R_DrawSpriteModelCallback(const void *calldata1, int calldata2)
                for (i = 0;i < 4 && ent->frameblend[i].lerp;i++)
                        frame = ent->model->sprite.sprdata_frames + ent->frameblend[i].frame;
 
-               R_DrawSpriteImage((ent->effects & EF_ADDITIVE) || (ent->model->flags & EF_ADDITIVE), frame, frame->texture, org, up, left, color[0] * ifog, color[1] * ifog, color[2] * ifog, ent->alpha);
-               if (fog * ent->frameblend[i].lerp >= 0.01f)
-                       R_DrawSpriteImage(true, frame, frame->fogtexture, org, up, left, fogcolor[0],fogcolor[1],fogcolor[2], fog * ent->alpha);
+               if (frame)
+               {
+                       R_DrawSpriteImage((ent->effects & EF_ADDITIVE) || (ent->model->flags & EF_ADDITIVE), frame, frame->texture, org, up, left, color[0] * ifog, color[1] * ifog, color[2] * ifog, ent->alpha);
+                       if (fog * ent->frameblend[i].lerp >= 0.01f)
+                               R_DrawSpriteImage(true, frame, frame->fogtexture, org, up, left, fogcolor[0],fogcolor[1],fogcolor[2], fog * ent->alpha);
+               }
        }
 }