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-rw-r--r--src/rend2/tr_world.c850
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diff --git a/src/rend2/tr_world.c b/src/rend2/tr_world.c
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--- a/src/rend2/tr_world.c
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@@ -1,850 +0,0 @@
-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-
-This file is part of Quake III Arena source code.
-
-Quake III Arena source code is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-Quake III Arena source code is distributed in the hope that it will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Quake III Arena source code; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-#include "tr_local.h"
-
-
-
-/*
-================
-R_CullSurface
-
-Tries to cull surfaces before they are lighted or
-added to the sorting list.
-================
-*/
-static qboolean R_CullSurface( msurface_t *surf ) {
- if ( r_nocull->integer || surf->cullinfo.type == CULLINFO_NONE) {
- return qfalse;
- }
-
- if (surf->cullinfo.type & CULLINFO_PLANE)
- {
- // Only true for SF_FACE, so treat like its own function
- float d;
- cullType_t ct;
-
- if ( !r_facePlaneCull->integer ) {
- return qfalse;
- }
-
- ct = surf->shader->cullType;
-
- if (ct == CT_TWO_SIDED)
- {
- return qfalse;
- }
-
- // don't cull for depth shadow
- /*
- if ( tr.viewParms.flags & VPF_DEPTHSHADOW )
- {
- return qfalse;
- }
- */
-
- // shadowmaps draw back surfaces
- if ( tr.viewParms.flags & (VPF_SHADOWMAP | VPF_DEPTHSHADOW) )
- {
- if (ct == CT_FRONT_SIDED)
- {
- ct = CT_BACK_SIDED;
- }
- else
- {
- ct = CT_FRONT_SIDED;
- }
- }
-
- // do proper cull for orthographic projection
- if (tr.viewParms.flags & VPF_ORTHOGRAPHIC) {
- d = DotProduct(tr.viewParms.or.axis[0], surf->cullinfo.plane.normal);
- if ( ct == CT_FRONT_SIDED ) {
- if (d > 0)
- return qtrue;
- } else {
- if (d < 0)
- return qtrue;
- }
- return qfalse;
- }
-
- d = DotProduct (tr.or.viewOrigin, surf->cullinfo.plane.normal);
-
- // don't cull exactly on the plane, because there are levels of rounding
- // through the BSP, ICD, and hardware that may cause pixel gaps if an
- // epsilon isn't allowed here
- if ( ct == CT_FRONT_SIDED ) {
- if ( d < surf->cullinfo.plane.dist - 8 ) {
- return qtrue;
- }
- } else {
- if ( d > surf->cullinfo.plane.dist + 8 ) {
- return qtrue;
- }
- }
-
- return qfalse;
- }
-
- if (surf->cullinfo.type & CULLINFO_SPHERE)
- {
- int sphereCull;
-
- if ( tr.currentEntityNum != REFENTITYNUM_WORLD ) {
- sphereCull = R_CullLocalPointAndRadius( surf->cullinfo.localOrigin, surf->cullinfo.radius );
- } else {
- sphereCull = R_CullPointAndRadius( surf->cullinfo.localOrigin, surf->cullinfo.radius );
- }
-
- if ( sphereCull == CULL_OUT )
- {
- return qtrue;
- }
- }
-
- if (surf->cullinfo.type & CULLINFO_BOX)
- {
- int boxCull;
-
- if ( tr.currentEntityNum != REFENTITYNUM_WORLD ) {
- boxCull = R_CullLocalBox( surf->cullinfo.bounds );
- } else {
- boxCull = R_CullBox( surf->cullinfo.bounds );
- }
-
- if ( boxCull == CULL_OUT )
- {
- return qtrue;
- }
- }
-
- return qfalse;
-}
-
-
-/*
-====================
-R_DlightSurface
-
-The given surface is going to be drawn, and it touches a leaf
-that is touched by one or more dlights, so try to throw out
-more dlights if possible.
-====================
-*/
-static int R_DlightSurface( msurface_t *surf, int dlightBits ) {
- float d;
- int i;
- dlight_t *dl;
-
- if ( surf->cullinfo.type & CULLINFO_PLANE )
- {
- int i;
- for ( i = 0 ; i < tr.refdef.num_dlights ; i++ ) {
- if ( ! ( dlightBits & ( 1 << i ) ) ) {
- continue;
- }
- dl = &tr.refdef.dlights[i];
- d = DotProduct( dl->origin, surf->cullinfo.plane.normal ) - surf->cullinfo.plane.dist;
- if ( d < -dl->radius || d > dl->radius ) {
- // dlight doesn't reach the plane
- dlightBits &= ~( 1 << i );
- }
- }
- }
-
- if ( surf->cullinfo.type & CULLINFO_BOX )
- {
- for ( i = 0 ; i < tr.refdef.num_dlights ; i++ ) {
- if ( ! ( dlightBits & ( 1 << i ) ) ) {
- continue;
- }
- dl = &tr.refdef.dlights[i];
- if ( dl->origin[0] - dl->radius > surf->cullinfo.bounds[1][0]
- || dl->origin[0] + dl->radius < surf->cullinfo.bounds[0][0]
- || dl->origin[1] - dl->radius > surf->cullinfo.bounds[1][1]
- || dl->origin[1] + dl->radius < surf->cullinfo.bounds[0][1]
- || dl->origin[2] - dl->radius > surf->cullinfo.bounds[1][2]
- || dl->origin[2] + dl->radius < surf->cullinfo.bounds[0][2] ) {
- // dlight doesn't reach the bounds
- dlightBits &= ~( 1 << i );
- }
- }
- }
-
- if ( surf->cullinfo.type & CULLINFO_SPHERE )
- {
- for ( i = 0 ; i < tr.refdef.num_dlights ; i++ ) {
- if ( ! ( dlightBits & ( 1 << i ) ) ) {
- continue;
- }
- dl = &tr.refdef.dlights[i];
- if (!SpheresIntersect(dl->origin, dl->radius, surf->cullinfo.localOrigin, surf->cullinfo.radius))
- {
- // dlight doesn't reach the bounds
- dlightBits &= ~( 1 << i );
- }
- }
- }
-
- if ( *surf->data == SF_FACE ) {
- ((srfSurfaceFace_t *)surf->data)->dlightBits = dlightBits;
- } else if ( *surf->data == SF_GRID ) {
- ((srfGridMesh_t *)surf->data)->dlightBits = dlightBits;
- } else if ( *surf->data == SF_TRIANGLES ) {
- ((srfTriangles_t *)surf->data)->dlightBits = dlightBits;
- } else if ( *surf->data == SF_VBO_MESH ) {
- ((srfVBOMesh_t *)surf->data)->dlightBits = dlightBits;
- } else {
- dlightBits = 0;
- }
-
- if ( dlightBits ) {
- tr.pc.c_dlightSurfaces++;
- }
-
- return dlightBits;
-}
-
-/*
-====================
-R_PshadowSurface
-
-Just like R_DlightSurface, cull any we can
-====================
-*/
-static int R_PshadowSurface( msurface_t *surf, int pshadowBits ) {
- float d;
- int i;
- pshadow_t *ps;
-
- if ( surf->cullinfo.type & CULLINFO_PLANE )
- {
- int i;
- for ( i = 0 ; i < tr.refdef.num_pshadows ; i++ ) {
- if ( ! ( pshadowBits & ( 1 << i ) ) ) {
- continue;
- }
- ps = &tr.refdef.pshadows[i];
- d = DotProduct( ps->lightOrigin, surf->cullinfo.plane.normal ) - surf->cullinfo.plane.dist;
- if ( d < -ps->lightRadius || d > ps->lightRadius ) {
- // pshadow doesn't reach the plane
- pshadowBits &= ~( 1 << i );
- }
- }
- }
-
- if ( surf->cullinfo.type & CULLINFO_BOX )
- {
- for ( i = 0 ; i < tr.refdef.num_pshadows ; i++ ) {
- if ( ! ( pshadowBits & ( 1 << i ) ) ) {
- continue;
- }
- ps = &tr.refdef.pshadows[i];
- if ( ps->lightOrigin[0] - ps->lightRadius > surf->cullinfo.bounds[1][0]
- || ps->lightOrigin[0] + ps->lightRadius < surf->cullinfo.bounds[0][0]
- || ps->lightOrigin[1] - ps->lightRadius > surf->cullinfo.bounds[1][1]
- || ps->lightOrigin[1] + ps->lightRadius < surf->cullinfo.bounds[0][1]
- || ps->lightOrigin[2] - ps->lightRadius > surf->cullinfo.bounds[1][2]
- || ps->lightOrigin[2] + ps->lightRadius < surf->cullinfo.bounds[0][2]
- || BoxOnPlaneSide(surf->cullinfo.bounds[0], surf->cullinfo.bounds[1], &ps->cullPlane) == 2 ) {
- // pshadow doesn't reach the bounds
- pshadowBits &= ~( 1 << i );
- }
- }
- }
-
- if ( surf->cullinfo.type & CULLINFO_SPHERE )
- {
- for ( i = 0 ; i < tr.refdef.num_pshadows ; i++ ) {
- if ( ! ( pshadowBits & ( 1 << i ) ) ) {
- continue;
- }
- ps = &tr.refdef.pshadows[i];
- if (!SpheresIntersect(ps->viewOrigin, ps->viewRadius, surf->cullinfo.localOrigin, surf->cullinfo.radius)
- || DotProduct( surf->cullinfo.localOrigin, ps->cullPlane.normal ) - ps->cullPlane.dist < -surf->cullinfo.radius)
- {
- // pshadow doesn't reach the bounds
- pshadowBits &= ~( 1 << i );
- }
- }
- }
-
- if ( *surf->data == SF_FACE ) {
- ((srfSurfaceFace_t *)surf->data)->pshadowBits = pshadowBits;
- } else if ( *surf->data == SF_GRID ) {
- ((srfGridMesh_t *)surf->data)->pshadowBits = pshadowBits;
- } else if ( *surf->data == SF_TRIANGLES ) {
- ((srfTriangles_t *)surf->data)->pshadowBits = pshadowBits;
- } else if ( *surf->data == SF_VBO_MESH ) {
- ((srfVBOMesh_t *)surf->data)->pshadowBits = pshadowBits;
- } else {
- pshadowBits = 0;
- }
-
- if ( pshadowBits ) {
- //tr.pc.c_dlightSurfaces++;
- }
-
- return pshadowBits;
-}
-
-
-/*
-======================
-R_AddWorldSurface
-======================
-*/
-static void R_AddWorldSurface( msurface_t *surf, int dlightBits, int pshadowBits ) {
- // FIXME: bmodel fog?
-
- // try to cull before dlighting or adding
- if ( R_CullSurface( surf ) ) {
- return;
- }
-
- // check for dlighting
- if ( dlightBits ) {
- dlightBits = R_DlightSurface( surf, dlightBits );
- dlightBits = ( dlightBits != 0 );
- }
-
- // check for pshadows
- /*if ( pshadowBits ) */{
- pshadowBits = R_PshadowSurface( surf, pshadowBits);
- pshadowBits = ( pshadowBits != 0 );
- }
-
- R_AddDrawSurf( surf->data, surf->shader, surf->fogIndex, dlightBits, pshadowBits );
-}
-
-/*
-=============================================================
-
- BRUSH MODELS
-
-=============================================================
-*/
-
-/*
-=================
-R_AddBrushModelSurfaces
-=================
-*/
-void R_AddBrushModelSurfaces ( trRefEntity_t *ent ) {
- bmodel_t *bmodel;
- int clip;
- model_t *pModel;
- int i;
-
- pModel = R_GetModelByHandle( ent->e.hModel );
-
- bmodel = pModel->bmodel;
-
- clip = R_CullLocalBox( bmodel->bounds );
- if ( clip == CULL_OUT ) {
- return;
- }
-
- R_SetupEntityLighting( &tr.refdef, ent );
- R_DlightBmodel( bmodel );
-
- for ( i = 0 ; i < bmodel->numSurfaces ; i++ ) {
- int surf = bmodel->firstSurface + i;
-
- if (tr.world->surfacesViewCount[surf] != tr.viewCount)
- {
- tr.world->surfacesViewCount[surf] = tr.viewCount;
- R_AddWorldSurface( tr.world->surfaces + surf, tr.currentEntity->needDlights, 0 );
- }
- }
-}
-
-
-/*
-=============================================================
-
- WORLD MODEL
-
-=============================================================
-*/
-
-
-/*
-================
-R_RecursiveWorldNode
-================
-*/
-static void R_RecursiveWorldNode( mnode_t *node, int planeBits, int dlightBits, int pshadowBits ) {
-
- do {
- int newDlights[2];
- unsigned int newPShadows[2];
-
- // if the node wasn't marked as potentially visible, exit
- // pvs is skipped for depth shadows
- if (!(tr.viewParms.flags & VPF_DEPTHSHADOW) && node->visCounts[tr.visIndex] != tr.visCounts[tr.visIndex]) {
- return;
- }
-
- // if the bounding volume is outside the frustum, nothing
- // inside can be visible OPTIMIZE: don't do this all the way to leafs?
-
- if ( !r_nocull->integer ) {
- int r;
-
- if ( planeBits & 1 ) {
- r = BoxOnPlaneSide(node->mins, node->maxs, &tr.viewParms.frustum[0]);
- if (r == 2) {
- return; // culled
- }
- if ( r == 1 ) {
- planeBits &= ~1; // all descendants will also be in front
- }
- }
-
- if ( planeBits & 2 ) {
- r = BoxOnPlaneSide(node->mins, node->maxs, &tr.viewParms.frustum[1]);
- if (r == 2) {
- return; // culled
- }
- if ( r == 1 ) {
- planeBits &= ~2; // all descendants will also be in front
- }
- }
-
- if ( planeBits & 4 ) {
- r = BoxOnPlaneSide(node->mins, node->maxs, &tr.viewParms.frustum[2]);
- if (r == 2) {
- return; // culled
- }
- if ( r == 1 ) {
- planeBits &= ~4; // all descendants will also be in front
- }
- }
-
- if ( planeBits & 8 ) {
- r = BoxOnPlaneSide(node->mins, node->maxs, &tr.viewParms.frustum[3]);
- if (r == 2) {
- return; // culled
- }
- if ( r == 1 ) {
- planeBits &= ~8; // all descendants will also be in front
- }
- }
-
- if ( planeBits & 16 ) {
- r = BoxOnPlaneSide(node->mins, node->maxs, &tr.viewParms.frustum[4]);
- if (r == 2) {
- return; // culled
- }
- if ( r == 1 ) {
- planeBits &= ~16; // all descendants will also be in front
- }
- }
- }
-
- if ( node->contents != -1 ) {
- break;
- }
-
- // node is just a decision point, so go down both sides
- // since we don't care about sort orders, just go positive to negative
-
- // determine which dlights are needed
- newDlights[0] = 0;
- newDlights[1] = 0;
- if ( dlightBits ) {
- int i;
-
- for ( i = 0 ; i < tr.refdef.num_dlights ; i++ ) {
- dlight_t *dl;
- float dist;
-
- if ( dlightBits & ( 1 << i ) ) {
- dl = &tr.refdef.dlights[i];
- dist = DotProduct( dl->origin, node->plane->normal ) - node->plane->dist;
-
- if ( dist > -dl->radius ) {
- newDlights[0] |= ( 1 << i );
- }
- if ( dist < dl->radius ) {
- newDlights[1] |= ( 1 << i );
- }
- }
- }
- }
-
- newPShadows[0] = 0;
- newPShadows[1] = 0;
- if ( pshadowBits ) {
- int i;
-
- for ( i = 0 ; i < tr.refdef.num_pshadows ; i++ ) {
- pshadow_t *shadow;
- float dist;
-
- if ( pshadowBits & ( 1 << i ) ) {
- shadow = &tr.refdef.pshadows[i];
- dist = DotProduct( shadow->lightOrigin, node->plane->normal ) - node->plane->dist;
-
- if ( dist > -shadow->lightRadius ) {
- newPShadows[0] |= ( 1 << i );
- }
- if ( dist < shadow->lightRadius ) {
- newPShadows[1] |= ( 1 << i );
- }
- }
- }
- }
-
- // recurse down the children, front side first
- R_RecursiveWorldNode (node->children[0], planeBits, newDlights[0], newPShadows[0] );
-
- // tail recurse
- node = node->children[1];
- dlightBits = newDlights[1];
- pshadowBits = newPShadows[1];
- } while ( 1 );
-
- {
- // leaf node, so add mark surfaces
- int c;
- int surf, *view;
-
- tr.pc.c_leafs++;
-
- // add to z buffer bounds
- if ( node->mins[0] < tr.viewParms.visBounds[0][0] ) {
- tr.viewParms.visBounds[0][0] = node->mins[0];
- }
- if ( node->mins[1] < tr.viewParms.visBounds[0][1] ) {
- tr.viewParms.visBounds[0][1] = node->mins[1];
- }
- if ( node->mins[2] < tr.viewParms.visBounds[0][2] ) {
- tr.viewParms.visBounds[0][2] = node->mins[2];
- }
-
- if ( node->maxs[0] > tr.viewParms.visBounds[1][0] ) {
- tr.viewParms.visBounds[1][0] = node->maxs[0];
- }
- if ( node->maxs[1] > tr.viewParms.visBounds[1][1] ) {
- tr.viewParms.visBounds[1][1] = node->maxs[1];
- }
- if ( node->maxs[2] > tr.viewParms.visBounds[1][2] ) {
- tr.viewParms.visBounds[1][2] = node->maxs[2];
- }
-
- // add merged and unmerged surfaces
- if (tr.world->viewSurfaces)
- view = tr.world->viewSurfaces + node->firstmarksurface;
- else
- view = tr.world->marksurfaces + node->firstmarksurface;
-
- c = node->nummarksurfaces;
- while (c--) {
- // just mark it as visible, so we don't jump out of the cache derefencing the surface
- surf = *view;
- if (surf < 0)
- {
- if (tr.world->mergedSurfacesViewCount[-surf - 1] != tr.viewCount)
- {
- tr.world->mergedSurfacesViewCount[-surf - 1] = tr.viewCount;
- tr.world->mergedSurfacesDlightBits[-surf - 1] = dlightBits;
- tr.world->mergedSurfacesPshadowBits[-surf - 1] = pshadowBits;
- }
- else
- {
- tr.world->mergedSurfacesDlightBits[-surf - 1] |= dlightBits;
- tr.world->mergedSurfacesPshadowBits[-surf - 1] |= pshadowBits;
- }
- }
- else
- {
- if (tr.world->surfacesViewCount[surf] != tr.viewCount)
- {
- tr.world->surfacesViewCount[surf] = tr.viewCount;
- tr.world->surfacesDlightBits[surf] = dlightBits;
- tr.world->surfacesPshadowBits[surf] = pshadowBits;
- }
- else
- {
- tr.world->surfacesDlightBits[surf] |= dlightBits;
- tr.world->surfacesPshadowBits[surf] |= pshadowBits;
- }
- }
- view++;
- }
- }
-
-}
-
-
-/*
-===============
-R_PointInLeaf
-===============
-*/
-static mnode_t *R_PointInLeaf( const vec3_t p ) {
- mnode_t *node;
- float d;
- cplane_t *plane;
-
- if ( !tr.world ) {
- ri.Error (ERR_DROP, "R_PointInLeaf: bad model");
- }
-
- node = tr.world->nodes;
- while( 1 ) {
- if (node->contents != -1) {
- break;
- }
- plane = node->plane;
- d = DotProduct (p,plane->normal) - plane->dist;
- if (d > 0) {
- node = node->children[0];
- } else {
- node = node->children[1];
- }
- }
-
- return node;
-}
-
-/*
-==============
-R_ClusterPVS
-==============
-*/
-static const byte *R_ClusterPVS (int cluster) {
- if (!tr.world || !tr.world->vis || cluster < 0 || cluster >= tr.world->numClusters ) {
- return tr.world->novis;
- }
-
- return tr.world->vis + cluster * tr.world->clusterBytes;
-}
-
-/*
-=================
-R_inPVS
-=================
-*/
-qboolean R_inPVS( const vec3_t p1, const vec3_t p2 ) {
- mnode_t *leaf;
- byte *vis;
-
- leaf = R_PointInLeaf( p1 );
- vis = ri.CM_ClusterPVS( leaf->cluster ); // why not R_ClusterPVS ??
- leaf = R_PointInLeaf( p2 );
-
- if ( !(vis[leaf->cluster>>3] & (1<<(leaf->cluster&7))) ) {
- return qfalse;
- }
- return qtrue;
-}
-
-/*
-===============
-R_MarkLeaves
-
-Mark the leaves and nodes that are in the PVS for the current
-cluster
-===============
-*/
-static void R_MarkLeaves (void) {
- const byte *vis;
- mnode_t *leaf, *parent;
- int i;
- int cluster;
-
- // lockpvs lets designers walk around to determine the
- // extent of the current pvs
- if ( r_lockpvs->integer ) {
- return;
- }
-
- // current viewcluster
- leaf = R_PointInLeaf( tr.viewParms.pvsOrigin );
- cluster = leaf->cluster;
-
- // if the cluster is the same and the area visibility matrix
- // hasn't changed, we don't need to mark everything again
-
- for(i = 0; i < MAX_VISCOUNTS; i++)
- {
- if(tr.visClusters[i] == cluster)
- {
- //tr.visIndex = i;
- break;
- }
- }
-
- // if r_showcluster was just turned on, remark everything
- if(i != MAX_VISCOUNTS && !tr.refdef.areamaskModified && !r_showcluster->modified)// && !r_dynamicBspOcclusionCulling->modified)
- {
- if(tr.visClusters[i] != tr.visClusters[tr.visIndex] && r_showcluster->integer)
- {
- ri.Printf(PRINT_ALL, "found cluster:%i area:%i index:%i\n", cluster, leaf->area, i);
- }
- tr.visIndex = i;
- return;
- }
-
- // if the areamask was modified, invalidate all visclusters
- // this caused doors to open into undrawn areas
- if (tr.refdef.areamaskModified)
- {
- memset(tr.visClusters, -2, sizeof(tr.visClusters));
- }
-
- tr.visIndex = (tr.visIndex + 1) % MAX_VISCOUNTS;
- tr.visCounts[tr.visIndex]++;
- tr.visClusters[tr.visIndex] = cluster;
-
- if ( r_showcluster->modified || r_showcluster->integer ) {
- r_showcluster->modified = qfalse;
- if ( r_showcluster->integer ) {
- ri.Printf( PRINT_ALL, "cluster:%i area:%i\n", cluster, leaf->area );
- }
- }
-
- // set all nodes to visible if there is no vis
- // this caused some levels to simply not render
- if (r_novis->integer || !tr.world->vis || tr.visClusters[tr.visIndex] == -1) {
- for (i=0 ; i<tr.world->numnodes ; i++) {
- if (tr.world->nodes[i].contents != CONTENTS_SOLID) {
- tr.world->nodes[i].visCounts[tr.visIndex] = tr.visCounts[tr.visIndex];
- }
- }
- return;
- }
-
- vis = R_ClusterPVS(tr.visClusters[tr.visIndex]);
-
- for (i=0,leaf=tr.world->nodes ; i<tr.world->numnodes ; i++, leaf++) {
- cluster = leaf->cluster;
- if ( cluster < 0 || cluster >= tr.world->numClusters ) {
- continue;
- }
-
- // check general pvs
- if ( !(vis[cluster>>3] & (1<<(cluster&7))) ) {
- continue;
- }
-
- // check for door connection
- if ( (tr.refdef.areamask[leaf->area>>3] & (1<<(leaf->area&7)) ) ) {
- continue; // not visible
- }
-
- parent = leaf;
- do {
- if(parent->visCounts[tr.visIndex] == tr.visCounts[tr.visIndex])
- break;
- parent->visCounts[tr.visIndex] = tr.visCounts[tr.visIndex];
- parent = parent->parent;
- } while (parent);
- }
-}
-
-
-/*
-=============
-R_AddWorldSurfaces
-=============
-*/
-void R_AddWorldSurfaces (void) {
- int planeBits, dlightBits, pshadowBits;
-
- if ( !r_drawworld->integer ) {
- return;
- }
-
- if ( tr.refdef.rdflags & RDF_NOWORLDMODEL ) {
- return;
- }
-
- tr.currentEntityNum = REFENTITYNUM_WORLD;
- tr.shiftedEntityNum = tr.currentEntityNum << QSORT_REFENTITYNUM_SHIFT;
-
- // determine which leaves are in the PVS / areamask
- if (!(tr.viewParms.flags & VPF_DEPTHSHADOW))
- R_MarkLeaves ();
-
- // clear out the visible min/max
- ClearBounds( tr.viewParms.visBounds[0], tr.viewParms.visBounds[1] );
-
- // perform frustum culling and flag all the potentially visible surfaces
- if ( tr.refdef.num_dlights > 32 ) {
- tr.refdef.num_dlights = 32 ;
- }
-
- if ( tr.refdef.num_pshadows > 32 ) {
- tr.refdef.num_pshadows = 32 ;
- }
-
- planeBits = (tr.viewParms.flags & VPF_FARPLANEFRUSTUM) ? 31 : 15;
-
- if ( tr.viewParms.flags & VPF_DEPTHSHADOW )
- {
- dlightBits = 0;
- pshadowBits = 0;
- }
- else if ( !(tr.viewParms.flags & VPF_SHADOWMAP) )
- {
- dlightBits = ( 1 << tr.refdef.num_dlights ) - 1;
- pshadowBits = ( 1 << tr.refdef.num_pshadows ) - 1;
- }
- else
- {
- dlightBits = ( 1 << tr.refdef.num_dlights ) - 1;
- pshadowBits = 0;
- }
-
- R_RecursiveWorldNode( tr.world->nodes, planeBits, dlightBits, pshadowBits);
-
- // now add all the potentially visible surfaces
- // also mask invisible dlights for next frame
- {
- int i;
-
- tr.refdef.dlightMask = 0;
-
- for (i = 0; i < tr.world->numWorldSurfaces; i++)
- {
- if (tr.world->surfacesViewCount[i] != tr.viewCount)
- continue;
-
- R_AddWorldSurface( tr.world->surfaces + i, tr.world->surfacesDlightBits[i], tr.world->surfacesPshadowBits[i] );
- tr.refdef.dlightMask |= tr.world->surfacesDlightBits[i];
- }
- for (i = 0; i < tr.world->numMergedSurfaces; i++)
- {
- if (tr.world->mergedSurfacesViewCount[i] != tr.viewCount)
- continue;
-
- R_AddWorldSurface( tr.world->mergedSurfaces + i, tr.world->mergedSurfacesDlightBits[i], tr.world->mergedSurfacesPshadowBits[i] );
- tr.refdef.dlightMask |= tr.world->mergedSurfacesDlightBits[i];
- }
-
- tr.refdef.dlightMask = ~tr.refdef.dlightMask;
- }
-}