compute sorted surface list at load of each model - this tripled

[xonotic/darkplaces.git] / model_shared.c

diff --git a/model_shared.c b/model_shared.c
index 9d5acedbbdb2a7920237acd4f6726f150af0d2f5..2c46c01a882de740e5ed5afd307680f3b7f4bae1 100644 (file)
--- a/model_shared.c
+++ b/model_shared.c
@@ -320,7 +320,8 @@ dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk, q
                num = LittleLong(*((int *)buf));
                // call the apropriate loader
                loadmodel = mod;
-                    if (!memcmp(buf, "IDPO", 4)) Mod_IDP0_Load(mod, buf, bufend);
+                    if (!strcasecmp(FS_FileExtension(mod->name), "obj")) Mod_OBJ_Load(mod, buf, bufend);
+               else if (!memcmp(buf, "IDPO", 4)) Mod_IDP0_Load(mod, buf, bufend);
                else if (!memcmp(buf, "IDP2", 4)) Mod_IDP2_Load(mod, buf, bufend);
                else if (!memcmp(buf, "IDP3", 4)) Mod_IDP3_Load(mod, buf, bufend);
                else if (!memcmp(buf, "IDSP", 4)) Mod_IDSP_Load(mod, buf, bufend);
@@ -2168,6 +2169,39 @@ void Mod_VertexRangeFromElements(int numelements, const int *elements, int *firs
                *lastvertexpointer = lastvertex;
 }
 
+void Mod_MakeSortedSurfaces(dp_model_t *mod)
+{
+       // make an optimal set of texture-sorted batches to draw...
+       int j, t;
+       int *firstsurfacefortexture;
+       int *numsurfacesfortexture;
+       if (!mod->sortedmodelsurfaces)
+               mod->sortedmodelsurfaces = Mem_Alloc(tempmempool, mod->nummodelsurfaces * sizeof(*mod->sortedmodelsurfaces));
+       firstsurfacefortexture = Mem_Alloc(tempmempool, mod->num_textures * sizeof(*firstsurfacefortexture));
+       numsurfacesfortexture = Mem_Alloc(tempmempool, mod->num_textures * sizeof(*numsurfacesfortexture));
+       memset(numsurfacesfortexture, 0, mod->num_textures * sizeof(*numsurfacesfortexture));
+       for (j = 0;j < mod->nummodelsurfaces;j++)
+       {
+               const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
+               int t = (int)(surface->texture - mod->data_textures);
+               numsurfacesfortexture[t]++;
+       }
+       j = 0;
+       for (t = 0;t < mod->num_textures;t++)
+       {
+               firstsurfacefortexture[t] = j;
+               j += numsurfacesfortexture[t];
+       }
+       for (j = 0;j < mod->nummodelsurfaces;j++)
+       {
+               const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface;
+               int t = (int)(surface->texture - mod->data_textures);
+               mod->sortedmodelsurfaces[firstsurfacefortexture[t]++] = j + mod->firstmodelsurface;
+       }
+       Mem_Free(firstsurfacefortexture);
+       Mem_Free(numsurfacesfortexture);
+}
+
 static void Mod_BuildVBOs(void)
 {
        if (!gl_support_arb_vertex_buffer_object)