Fix a typo in DrawQ_RotPic which broke it badly.
[xonotic/darkplaces.git] / meshqueue.c
index a5510be..edd85c2 100644 (file)
@@ -10,9 +10,14 @@ typedef struct meshqueue_s
        int surfacenumber;
        const rtlight_t *rtlight;
        float dist;
+       dptransparentsortcategory_t category;
 }
 meshqueue_t;
 
+int trans_sortarraysize;
+meshqueue_t **trans_hash = NULL;
+meshqueue_t ***trans_hashpointer = NULL;
+
 float mqt_viewplanedist;
 float mqt_viewmaxdist;
 meshqueue_t *mqt_array;
@@ -26,7 +31,7 @@ void R_MeshQueue_BeginScene(void)
        mqt_viewmaxdist = 0;
 }
 
-void R_MeshQueue_AddTransparent(const vec3_t center, void (*callback)(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist), const entity_render_t *ent, int surfacenumber, const rtlight_t *rtlight)
+void R_MeshQueue_AddTransparent(dptransparentsortcategory_t category, const vec3_t center, void (*callback)(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist), const entity_render_t *ent, int surfacenumber, const rtlight_t *rtlight)
 {
        meshqueue_t *mq;
        if (mqt_count >= mqt_total || !mqt_array)
@@ -46,50 +51,88 @@ void R_MeshQueue_AddTransparent(const vec3_t center, void (*callback)(const enti
        mq->ent = ent;
        mq->surfacenumber = surfacenumber;
        mq->rtlight = rtlight;
-       mq->dist = DotProduct(center, r_refdef.view.forward) - mqt_viewplanedist;
+       mq->category = category;
+       if (r_transparent_useplanardistance.integer)
+               mq->dist = DotProduct(center, r_refdef.view.forward) - mqt_viewplanedist;
+       else
+               mq->dist = VectorDistance(center, r_refdef.view.origin);
        mq->next = NULL;
        mqt_viewmaxdist = max(mqt_viewmaxdist, mq->dist);
 }
 
 void R_MeshQueue_RenderTransparent(void)
 {
-       int i;
-       int hashdist;
-       int batchnumsurfaces;
+       int i, hashindex, maxhashindex, batchnumsurfaces;
        float distscale;
        const entity_render_t *ent;
        const rtlight_t *rtlight;
        void (*callback)(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfaceindices);
+       int batchsurfaceindex[MESHQUEUE_TRANSPARENT_BATCHSIZE];
        meshqueue_t *mqt;
-       static meshqueue_t *hash[4096], **hashpointer[4096];
-       int batchsurfaceindex[256];
+
        if (!mqt_count)
                return;
-       memset(hash, 0, sizeof(hash));
-       for (i = 0;i < 4096;i++)
-               hashpointer[i] = &hash[i];
-       distscale = 4095.0f / max(mqt_viewmaxdist, 4095);
-       for (i = 0, mqt = mqt_array;i < mqt_count;i++, mqt++)
+
+       // check for bad cvars
+       if (r_transparent_sortarraysize.integer < 1 || r_transparent_sortarraysize.integer > 32768)
+               Cvar_SetValueQuick(&r_transparent_sortarraysize, bound(1, r_transparent_sortarraysize.integer, 32768));
+       if (r_transparent_sortmindist.integer < 1 || r_transparent_sortmindist.integer >= r_transparent_sortmaxdist.integer)
+               Cvar_SetValueQuick(&r_transparent_sortmindist, 0);
+       if (r_transparent_sortmaxdist.integer < r_transparent_sortmindist.integer || r_transparent_sortmaxdist.integer > 32768)
+               Cvar_SetValueQuick(&r_transparent_sortmaxdist, bound(r_transparent_sortmindist.integer, r_transparent_sortmaxdist.integer, 32768));
+
+       // update hash array
+       if (trans_sortarraysize != r_transparent_sortarraysize.integer)
+       {
+               trans_sortarraysize = r_transparent_sortarraysize.integer;
+               if (trans_hash)
+                       Mem_Free(trans_hash);
+               trans_hash = (meshqueue_t **)Mem_Alloc(cls.permanentmempool, sizeof(meshqueue_t *) * trans_sortarraysize); 
+               if (trans_hashpointer)
+                       Mem_Free(trans_hashpointer);
+               trans_hashpointer = (meshqueue_t ***)Mem_Alloc(cls.permanentmempool, sizeof(meshqueue_t **) * trans_sortarraysize); 
+       }
+
+       // build index
+       memset(trans_hash, 0, sizeof(meshqueue_t *) * trans_sortarraysize);
+       for (i = 0; i < trans_sortarraysize; i++)
+               trans_hashpointer[i] = &trans_hash[i];
+       distscale = (trans_sortarraysize - 1) / min(mqt_viewmaxdist, r_transparent_sortmaxdist.integer);
+       maxhashindex = trans_sortarraysize - 1;
+       for (i = 0, mqt = mqt_array; i < mqt_count; i++, mqt++)
        {
-               // generate index
-               hashdist = (int) (mqt->dist * distscale);
-               hashdist = bound(0, hashdist, 4095);
+               switch(mqt->category)
+               {
+               default:
+               case TRANSPARENTSORT_HUD:
+                       hashindex = 0;
+                       break;
+               case TRANSPARENTSORT_DISTANCE:
+                       // this could use a reduced range if we need more categories
+                       hashindex = bound(0, (int)(bound(0, mqt->dist - r_transparent_sortmindist.integer, r_transparent_sortmaxdist.integer) * distscale), maxhashindex);
+                       break;
+               case TRANSPARENTSORT_SKY:
+                       hashindex = maxhashindex;
+                       break;
+               }
                // link to tail of hash chain (to preserve render order)
                mqt->next = NULL;
-               *hashpointer[hashdist] = mqt;
-               hashpointer[hashdist] = &mqt->next;
+               *trans_hashpointer[hashindex] = mqt;
+               trans_hashpointer[hashindex] = &mqt->next;
        }
        callback = NULL;
        ent = NULL;
        rtlight = NULL;
        batchnumsurfaces = 0;
-       for (i = 4095;i >= 0;i--)
+
+       // draw
+       for (i = maxhashindex; i >= 0; i--)
        {
-               if (hash[i])
+               if (trans_hash[i])
                {
-                       for (mqt = hash[i];mqt;mqt = mqt->next)
+                       for (mqt = trans_hash[i]; mqt; mqt = mqt->next)
                        {
-                               if (ent != mqt->ent || rtlight != mqt->rtlight || callback != mqt->callback || batchnumsurfaces >= 256)
+                               if (ent != mqt->ent || rtlight != mqt->rtlight || callback != mqt->callback || batchnumsurfaces >= MESHQUEUE_TRANSPARENT_BATCHSIZE)
                                {
                                        if (batchnumsurfaces)
                                                callback(ent, rtlight, batchnumsurfaces, batchsurfaceindex);