changed cl_stainmaps to be a loadtime cvar which decides whether to

[xonotic/darkplaces.git] / model_brush.c

diff --git a/model_brush.c b/model_brush.c
index 134b89597dfb091582726447a58192db2173dad7..dbf98b029a3e69ac1d86f05b9333176a4f62708d 100644 (file)
--- a/model_brush.c
+++ b/model_brush.c
@@ -2410,11 +2410,6 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                        ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
                        tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
 
-                       // stainmap for permanent marks on walls
-                       surface->lightmapinfo->stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
-                       // clear to white
-                       memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
-
                        if (!lightmaptexture || !Mod_Q1BSP_AllocLightmapBlock(&allocState, lightmapsize, lightmapsize, ssize, tsize, &lightmapx, &lightmapy))
                        {
                                // allocate a texture pool if we need it
@@ -2451,6 +2446,30 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                        }
 
                }
+
+               if (cl_stainmaps.integer)
+               {
+                       // allocate stainmaps for permanent marks on walls
+                       int stainmapsize = 0;
+                       unsigned char *stainsamples = NULL;
+                       for (surfacenum = 0, surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, surface++)
+                       {
+                               ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
+                               tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
+                               stainmapsize += ssize * tsize * 3;
+                       }
+                       // allocate and clear to white
+                       stainsamples = (unsigned char *)Mem_Alloc(loadmodel->mempool, stainmapsize);
+                       memset(stainsamples, 255, stainmapsize);
+                       // assign pointers
+                       for (surfacenum = 0, surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, surface++)
+                       {
+                               ssize = (surface->lightmapinfo->extents[0] >> 4) + 1;
+                               tsize = (surface->lightmapinfo->extents[1] >> 4) + 1;
+                               surface->lightmapinfo->stainsamples = stainsamples;
+                               stainsamples += ssize * tsize * 3;
+                       }
+               }
        }
 
        // generate ushort elements array if possible