]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - gl_rsurf.c
implemented r_glsl_water cvar (refraction and reflection rendering)
[xonotic/darkplaces.git] / gl_rsurf.c
index ae64ff487f5216fa0842bd78cd2f6902d990478f..cdd439266453dcd5171cf8685559cde40d4eff6f 100644 (file)
@@ -25,7 +25,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #define MAX_LIGHTMAP_SIZE 256
 
-cvar_t r_ambient = {0, "r_ambient", "0", "brighter world cheat (not allowed in multiplayer), value is 0-128"};
+cvar_t r_ambient = {0, "r_ambient", "0", "brightens map, value is 0-128"};
 cvar_t r_lockpvs = {0, "r_lockpvs", "0", "disables pvs switching, allows you to walk around and inspect what is visible from a given location in the map (anything not visible from your current location will not be drawn)"};
 cvar_t r_lockvisibility = {0, "r_lockvisibility", "0", "disables visibility updates, allows you to walk around and inspect what is visible from a given viewpoint in the map (anything offscreen at the moment this is enabled will not be drawn)"};
 cvar_t r_useportalculling = {0, "r_useportalculling", "1", "use advanced portal culling visibility method to improve performance over just Potentially Visible Set, provides an even more significant speed improvement in unvised maps"};
@@ -44,16 +44,30 @@ void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
        int *bl, scale;
        unsigned char *lightmap, *out, *stain;
        model_t *model = ent->model;
-       static int intblocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*3]; // LordHavoc: *3 for colored lighting
-       static unsigned char templight[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*4];
-
-       // update cached lighting info
-       surface->cached_dlight = 0;
+       int *intblocklights;
+       unsigned char *templight;
 
        smax = (surface->lightmapinfo->extents[0]>>4)+1;
        tmax = (surface->lightmapinfo->extents[1]>>4)+1;
        size = smax*tmax;
        size3 = size*3;
+
+       if (cl.buildlightmapmemorysize < size*sizeof(int[3]))
+       {
+               cl.buildlightmapmemorysize = size*sizeof(int[3]);
+               if (cl.buildlightmapmemory)
+                       Mem_Free(cl.buildlightmapmemory);
+               cl.buildlightmapmemory = Mem_Alloc(cls.levelmempool, cl.buildlightmapmemorysize);
+       }
+
+       // these both point at the same buffer, templight is only used for final
+       // processing and can replace the intblocklights data as it goes
+       intblocklights = (int *)cl.buildlightmapmemory;
+       templight = (unsigned char *)cl.buildlightmapmemory;
+
+       // update cached lighting info
+       surface->cached_dlight = 0;
+
        lightmap = surface->lightmapinfo->samples;
 
 // set to full bright if no light data
@@ -337,6 +351,8 @@ static void R_DrawPortal_Callback(const entity_render_t *ent, const rtlight_t *r
        CHECKGLERROR
        GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL_DepthMask(false);
+       GL_DepthRange(0, 1);
+       GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
        GL_DepthTest(true);
        GL_CullFace(GL_NONE);
        R_Mesh_Matrix(&identitymatrix);
@@ -381,14 +397,14 @@ void R_DrawPortals(void)
                                                VectorAdd(center, portal->points[i].position, center);
                                        f = ixtable[portal->numpoints];
                                        VectorScale(center, f, center);
-                                       R_MeshQueue_AddTransparent(center, R_DrawPortal_Callback, (entity_render_t *)portal, leafnum, r_shadow_rtlight);
+                                       R_MeshQueue_AddTransparent(center, R_DrawPortal_Callback, (entity_render_t *)portal, leafnum, rsurface.rtlight);
                                }
                        }
                }
        }
 }
 
-void R_View_WorldVisibility(void)
+void R_View_WorldVisibility(qboolean forcenovis)
 {
        int i, j, *mark;
        mleaf_t *leaf;
@@ -414,7 +430,7 @@ void R_View_WorldVisibility(void)
 
                // if floating around in the void (no pvs data available, and no
                // portals available), simply use all on-screen leafs.
-               if (!viewleaf || viewleaf->clusterindex < 0)
+               if (!viewleaf || viewleaf->clusterindex < 0 || forcenovis)
                {
                        // no visibility method: (used when floating around in the void)
                        // simply cull each leaf to the frustum (view pyramid)
@@ -508,9 +524,20 @@ void R_Q1BSP_DrawSky(entity_render_t *ent)
        if (ent->model == NULL)
                return;
        if (ent == r_refdef.worldentity)
-               R_DrawWorldSurfaces(true);
+               R_DrawWorldSurfaces(true, true, false, false);
        else
-               R_DrawModelSurfaces(ent, true);
+               R_DrawModelSurfaces(ent, true, true, false, false);
+}
+
+void R_Q1BSP_DrawAddWaterPlanes(entity_render_t *ent)
+{
+       model_t *model = ent->model;
+       if (model == NULL)
+               return;
+       if (ent == r_refdef.worldentity)
+               R_DrawWorldSurfaces(false, false, false, true);
+       else
+               R_DrawModelSurfaces(ent, false, false, false, true);
 }
 
 void R_Q1BSP_Draw(entity_render_t *ent)
@@ -519,9 +546,20 @@ void R_Q1BSP_Draw(entity_render_t *ent)
        if (model == NULL)
                return;
        if (ent == r_refdef.worldentity)
-               R_DrawWorldSurfaces(false);
+               R_DrawWorldSurfaces(false, true, false, false);
+       else
+               R_DrawModelSurfaces(ent, false, true, false, false);
+}
+
+void R_Q1BSP_DrawDepth(entity_render_t *ent)
+{
+       model_t *model = ent->model;
+       if (model == NULL)
+               return;
+       if (ent == r_refdef.worldentity)
+               R_DrawWorldSurfaces(false, false, true, false);
        else
-               R_DrawModelSurfaces(ent, false);
+               R_DrawModelSurfaces(ent, false, false, true, false);
 }
 
 typedef struct r_q1bsp_getlightinfo_s
@@ -559,7 +597,7 @@ void R_Q1BSP_RecursiveGetLightInfo(r_q1bsp_getlightinfo_t *info, mnode_t *node)
                //      return;
                if (!plane)
                        break;
-               //if (!r_shadow_compilingrtlight && R_CullBoxCustomPlanes(node->mins, node->maxs, r_shadow_rtlight_numfrustumplanes, r_shadow_rtlight_frustumplanes))
+               //if (!r_shadow_compilingrtlight && R_CullBoxCustomPlanes(node->mins, node->maxs, rsurface.rtlight_numfrustumplanes, rsurface.rtlight_frustumplanes))
                //      return;
                if (plane->type < 3)
                {
@@ -601,7 +639,7 @@ void R_Q1BSP_RecursiveGetLightInfo(r_q1bsp_getlightinfo_t *info, mnode_t *node)
                                node = node->children[sides - 1];
                }
        }
-       if (!r_shadow_compilingrtlight && R_CullBoxCustomPlanes(node->mins, node->maxs, r_shadow_rtlight_numfrustumplanes, r_shadow_rtlight_frustumplanes))
+       if (!r_shadow_compilingrtlight && R_CullBoxCustomPlanes(node->mins, node->maxs, rsurface.rtlight_numfrustumplanes, rsurface.rtlight_frustumplanes))
                return;
        leaf = (mleaf_t *)node;
        if (info->svbsp_active)
@@ -903,6 +941,8 @@ void R_Q1BSP_CompileShadowVolume(entity_render_t *ent, vec3_t relativelightorigi
        r_shadow_compilingrtlight->static_meshchain_shadow = Mod_ShadowMesh_Finish(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, false, false, true);
 }
 
+extern cvar_t r_polygonoffset_submodel_factor;
+extern cvar_t r_polygonoffset_submodel_offset;
 void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativelightdirection, float lightradius, int modelnumsurfaces, const int *modelsurfacelist, const vec3_t lightmins, const vec3_t lightmaxs)
 {
        model_t *model = ent->model;
@@ -913,6 +953,8 @@ void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin,
        if (!BoxesOverlap(model->normalmins, model->normalmaxs, lightmins, lightmaxs))
                return;
        R_UpdateAllTextureInfo(ent);
+       if (ent->model->brush.submodel)
+               GL_PolygonOffset(r_refdef.shadowpolygonfactor + r_polygonoffset_submodel_factor.value, r_refdef.shadowpolygonoffset + r_polygonoffset_submodel_offset.value);
        if (model->brush.shadowmesh)
        {
                R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
@@ -933,14 +975,16 @@ void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin,
                for (modelsurfacelistindex = 0;modelsurfacelistindex < modelnumsurfaces;modelsurfacelistindex++)
                {
                        surface = model->data_surfaces + modelsurfacelist[modelsurfacelistindex];
-                       rsurface_texture = surface->texture->currentframe;
-                       if (rsurface_texture->currentmaterialflags & MATERIALFLAG_NOSHADOW)
+                       rsurface.texture = surface->texture->currentframe;
+                       if (rsurface.texture->currentmaterialflags & MATERIALFLAG_NOSHADOW)
                                continue;
                        RSurf_PrepareVerticesForBatch(false, false, 1, &surface);
-                       R_Shadow_MarkVolumeFromBox(surface->num_firsttriangle, surface->num_triangles, rsurface_vertex3f, rsurface_model->surfmesh.data_element3i, relativelightorigin, relativelightdirection, lightmins, lightmaxs, surface->mins, surface->maxs);
+                       R_Shadow_MarkVolumeFromBox(surface->num_firsttriangle, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i, relativelightorigin, relativelightdirection, lightmins, lightmaxs, surface->mins, surface->maxs);
                }
-               R_Shadow_VolumeFromList(model->surfmesh.num_vertices, model->surfmesh.num_triangles, rsurface_vertex3f, model->surfmesh.data_element3i, model->surfmesh.data_neighbor3i, relativelightorigin, relativelightdirection, projectdistance, numshadowmark, shadowmarklist);
+               R_Shadow_VolumeFromList(model->surfmesh.num_vertices, model->surfmesh.num_triangles, rsurface.vertex3f, model->surfmesh.data_element3i, model->surfmesh.data_neighbor3i, relativelightorigin, relativelightdirection, projectdistance, numshadowmark, shadowmarklist);
        }
+       if (ent->model->brush.submodel)
+               GL_PolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);
 }
 
 #define BATCHSIZE 1024
@@ -958,14 +1002,14 @@ static void R_Q1BSP_DrawLight_TransparentCallback(const entity_render_t *ent, co
        for (i = 0;i < numsurfaces;i = j)
        {
                j = i + 1;
-               surface = rsurface_model->data_surfaces + surfacelist[i];
+               surface = rsurface.modelsurfaces + surfacelist[i];
                t = surface->texture;
                R_UpdateTextureInfo(ent, t);
-               rsurface_texture = t->currentframe;
+               rsurface.texture = t->currentframe;
                endsurface = min(j + BATCHSIZE, numsurfaces);
                for (j = i;j < endsurface;j++)
                {
-                       surface = rsurface_model->data_surfaces + surfacelist[j];
+                       surface = rsurface.modelsurfaces + surfacelist[j];
                        if (t != surface->texture)
                                break;
                        RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
@@ -982,7 +1026,7 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surface
        model_t *model = ent->model;
        msurface_t *surface;
        int i, k, l, m, mend, endsurface, batchnumsurfaces, batchnumtriangles, batchfirstvertex, batchlastvertex;
-       qboolean usebufferobject;
+       qboolean usebufferobject, culltriangles;
        const int *element3i;
        msurface_t *batchsurfacelist[RSURF_MAX_BATCHSURFACES];
        int batchelements[BATCHSIZE*3];
@@ -991,7 +1035,8 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surface
        RSurf_ActiveModelEntity(ent, true, true);
        R_UpdateAllTextureInfo(ent);
        CHECKGLERROR
-       element3i = rsurface_model->surfmesh.data_element3i;
+       culltriangles = r_shadow_culltriangles.integer && !(ent->flags & RENDER_NOSELFSHADOW);
+       element3i = rsurface.modelelement3i;
        // this is a double loop because non-visible surface skipping has to be
        // fast, and even if this is not the world model (and hence no visibility
        // checking) the input surface list and batch buffer are different formats
@@ -1017,10 +1062,10 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surface
                {
                        surface = batchsurfacelist[k];
                        tex = surface->texture;
-                       rsurface_texture = tex->currentframe;
-                       if (rsurface_texture->currentmaterialflags & (MATERIALFLAG_WALL | MATERIALFLAG_WATER))
+                       rsurface.texture = tex->currentframe;
+                       if (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WALL | MATERIALFLAG_WATER))
                        {
-                               if (rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
+                               if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
                                {
                                        vec3_t tempcenter, center;
                                        for (l = k;l < batchnumsurfaces && tex == batchsurfacelist[l]->texture;l++)
@@ -1029,8 +1074,8 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surface
                                                tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
                                                tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
                                                tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
-                                               Matrix4x4_Transform(&rsurface_entity->matrix, tempcenter, center);
-                                               R_MeshQueue_AddTransparent(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_view.origin : center, R_Q1BSP_DrawLight_TransparentCallback, rsurface_entity, surface - rsurface_model->data_surfaces, r_shadow_rtlight);
+                                               Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
+                                               R_MeshQueue_AddTransparent(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_view.origin : center, R_Q1BSP_DrawLight_TransparentCallback, ent, surface - rsurface.modelsurfaces, rsurface.rtlight);
                                        }
                                }
                                else
@@ -1048,7 +1093,7 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surface
                                                RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
                                                for (m = surface->num_firsttriangle, mend = m + surface->num_triangles;m < mend;m++)
                                                {
-                                                       if (r_shadow_culltriangles.integer)
+                                                       if (culltriangles)
                                                        {
                                                                if (trispvs)
                                                                {
@@ -1060,7 +1105,7 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, int numsurfaces, const int *surface
                                                                }
                                                                else
                                                                {
-                                                                       if (r_shadow_frontsidecasting.integer && !PointInfrontOfTriangle(r_shadow_entitylightorigin, rsurface_vertex3f + element3i[m*3+0]*3, rsurface_vertex3f + element3i[m*3+1]*3, rsurface_vertex3f + element3i[m*3+2]*3))
+                                                                       if (r_shadow_frontsidecasting.integer && !PointInfrontOfTriangle(rsurface.entitylightorigin, rsurface.vertex3f + element3i[m*3+0]*3, rsurface.vertex3f + element3i[m*3+1]*3, rsurface.vertex3f + element3i[m*3+2]*3))
                                                                        {
                                                                                usebufferobject = false;
                                                                                continue;
@@ -1109,6 +1154,12 @@ void R_ReplaceWorldTexture (void)
        texture_t       *t;
        int                     i;
        const char      *r, *newt;
+       skinframe_t *skinframe;
+       if (!r_refdef.worldmodel)
+       {
+               Con_Printf("There is no worldmodel\n");
+               return;
+       }
        m = r_refdef.worldmodel;
 
        if(Cmd_Argc() < 2)
@@ -1130,15 +1181,15 @@ void R_ReplaceWorldTexture (void)
        {
                if(t->width && !strcasecmp(t->name, r))
                {
-                       if(Mod_LoadSkinFrame(&t->skinframes[0], (char*)newt, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, r_fullbrights.integer))
+                       if ((skinframe = R_SkinFrame_LoadExternal((char*)newt, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, true)))
                        {
+                               t->skinframes[0] = skinframe;
                                Con_Printf("%s replaced with %s\n", r, newt);
                                return;
                        }
                        else
                        {
                                Con_Printf("%s was not found\n", newt);
-                               Mod_LoadSkinFrame(&t->skinframes[0], (char*)r, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, r_fullbrights.integer);//back to default
                                return;
                        }
                }
@@ -1151,6 +1202,11 @@ void R_ListWorldTextures (void)
        model_t         *m;
        texture_t       *t;
        int                     i;
+       if (!r_refdef.worldmodel)
+       {
+               Con_Printf("There is no worldmodel\n");
+               return;
+       }
        m = r_refdef.worldmodel;
 
        Con_Print("Worldmodel textures :\n");