mirror of
https://github.com/openmoh/openmohaa.git
synced 2025-04-29 06:07:57 +03:00
56f850b59d
This fixes an issue where shaders like water, ocean would look strange or completely black, due to them blending against each other multiple times
914 lines
20 KiB
C
914 lines
20 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "tr_local.h"
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/*
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=================
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R_CullTriSurf
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Returns true if the grid is completely culled away.
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Also sets the clipped hint bit in tess
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=================
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*/
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static qboolean R_CullTriSurf( srfTriangles_t *cv ) {
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int boxCull;
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boxCull = R_CullLocalBox( cv->bounds );
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if ( boxCull == CULL_OUT ) {
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return qtrue;
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}
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return qfalse;
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}
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/*
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=================
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R_CullGrid
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Returns true if the grid is completely culled away.
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Also sets the clipped hint bit in tess
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=================
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*/
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static qboolean R_CullGrid( srfGridMesh_t *cv ) {
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int boxCull;
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int sphereCull;
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if ( r_nocurves->integer ) {
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return qtrue;
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}
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if (!tr.refdef.render_terrain) {
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return qtrue;
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}
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if ( tr.currentEntityNum != ENTITYNUM_WORLD ) {
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sphereCull = R_CullLocalPointAndRadius( cv->localOrigin, cv->meshRadius );
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} else {
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sphereCull = R_CullPointAndRadius( cv->localOrigin, cv->meshRadius );
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}
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boxCull = CULL_OUT;
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// check for trivial reject
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if ( sphereCull == CULL_OUT )
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{
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tr.pc.c_sphere_cull_patch_out++;
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return qtrue;
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}
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// check bounding box if necessary
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else if ( sphereCull == CULL_CLIP )
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{
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tr.pc.c_sphere_cull_patch_clip++;
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boxCull = R_CullLocalBox( cv->meshBounds );
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if ( boxCull == CULL_OUT )
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{
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tr.pc.c_box_cull_patch_out++;
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return qtrue;
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}
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else if ( boxCull == CULL_IN )
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{
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tr.pc.c_box_cull_patch_in++;
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}
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else
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{
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tr.pc.c_box_cull_patch_clip++;
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}
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}
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else
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{
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tr.pc.c_sphere_cull_patch_in++;
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}
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return qfalse;
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}
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/*
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================
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R_CullSurface
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Tries to back face cull surfaces before they are lighted or
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added to the sorting list.
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This will also allow mirrors on both sides of a model without recursion.
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================
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*/
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static qboolean R_CullSurface( surfaceType_t *surface, shader_t *shader ) {
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srfSurfaceFace_t *sface;
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float d;
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if ( r_nocull->integer ) {
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return qfalse;
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}
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if ( *surface == SF_GRID ) {
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return R_CullGrid( (srfGridMesh_t *)surface );
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}
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if ( *surface == SF_TRIANGLES ) {
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return R_CullTriSurf( (srfTriangles_t *)surface );
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}
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if ( *surface != SF_FACE ) {
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return qfalse;
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}
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if ( shader->cullType == CT_TWO_SIDED ) {
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return qfalse;
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}
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// face culling
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if ( !r_facePlaneCull->integer ) {
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return qfalse;
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}
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sface = ( srfSurfaceFace_t * ) surface;
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d = DotProduct (tr.ori.viewOrigin, sface->plane.normal);
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// don't cull exactly on the plane, because there are levels of rounding
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// through the BSP, ICD, and hardware that may cause pixel gaps if an
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// epsilon isn't allowed here
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if ( shader->cullType == CT_FRONT_SIDED ) {
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if ( d < sface->plane.dist - 8 ) {
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return qtrue;
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}
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} else {
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if ( d > sface->plane.dist + 8 ) {
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return qtrue;
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}
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}
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return qfalse;
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}
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/*
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======================
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R_FastDlightFace
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======================
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*/
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static int R_FastDlightFace( srfSurfaceFace_t *face, int dlightBits ) {
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float d;
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int i;
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dlight_t *dl;
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for ( i = 0 ; i < tr.refdef.num_dlights ; i++ ) {
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if ( ! ( dlightBits & ( 1 << i ) ) ) {
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continue;
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}
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dl = &tr.refdef.dlights[i];
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d = DotProduct( dl->transformed, face->plane.normal ) - face->plane.dist;
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if ( d < -dl->radius || d > dl->radius ) {
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// dlight doesn't reach the plane
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dlightBits &= ~( 1 << i );
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}
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}
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if ( !dlightBits ) {
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tr.pc.c_dlightSurfacesCulled++;
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}
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face->dlightBits[ tr.smpFrame ] = dlightBits;
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return dlightBits;
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}
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/*
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======================
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R_FastDlightGrid
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======================
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*/
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static int R_FastDlightGrid( srfGridMesh_t *grid, int dlightBits ) {
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int i;
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dlight_t *dl;
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for ( i = 0 ; i < tr.refdef.num_dlights ; i++ ) {
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if ( ! ( dlightBits & ( 1 << i ) ) ) {
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continue;
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}
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dl = &tr.refdef.dlights[i];
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if ( dl->origin[0] - dl->radius > grid->meshBounds[1][0]
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|| dl->origin[0] + dl->radius < grid->meshBounds[0][0]
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|| dl->origin[1] - dl->radius > grid->meshBounds[1][1]
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|| dl->origin[1] + dl->radius < grid->meshBounds[0][1]
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|| dl->origin[2] - dl->radius > grid->meshBounds[1][2]
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|| dl->origin[2] + dl->radius < grid->meshBounds[0][2] ) {
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// dlight doesn't reach the bounds
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dlightBits &= ~( 1 << i );
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}
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}
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if ( !dlightBits ) {
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tr.pc.c_dlightSurfacesCulled++;
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}
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grid->dlightBits[ tr.smpFrame ] = dlightBits;
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return dlightBits;
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}
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/*
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======================
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R_FastDlightTerrain
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======================
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*/
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static int R_FastDlightTerrain(cTerraPatchUnpacked_t* srf, int dlightBits) {
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dlight_t* dl;
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float* origin;
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int i;
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for (i = 0; i < tr.refdef.num_dlights; i++) {
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dl = &tr.refdef.dlights[i];
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origin = dl->transformed;
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if (srf->x0 - origin[0] > dl->radius
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|| srf->x0 - origin[0] < -512.0 - dl->radius
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|| srf->y0 - origin[1] > dl->radius
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|| srf->y0 - origin[1] < -512.0 - dl->radius
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|| srf->z0 - origin[2] > dl->radius
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|| srf->z0 - origin[2] < -srf->zmax - dl->radius
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) {
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// dlight doesn't reach the bounds
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dlightBits &= ~(1 << i);
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}
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}
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if (!dlightBits) {
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tr.pc.c_dlightSurfacesCulled++;
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}
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srf->drawinfo.dlightBits[tr.smpFrame] = dlightBits;
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return dlightBits;
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}
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/*
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======================
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R_DlightTrisurf
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======================
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*/
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static int R_DlightTrisurf( srfTriangles_t *surf, int dlightBits ) {
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// FIXME: more dlight culling to trisurfs...
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surf->dlightBits[ tr.smpFrame ] = dlightBits;
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return dlightBits;
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#if 0
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int i;
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dlight_t *dl;
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for ( i = 0 ; i < tr.refdef.num_dlights ; i++ ) {
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if ( ! ( dlightBits & ( 1 << i ) ) ) {
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continue;
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}
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dl = &tr.refdef.dlights[i];
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if ( dl->origin[0] - dl->radius > grid->meshBounds[1][0]
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|| dl->origin[0] + dl->radius < grid->meshBounds[0][0]
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|| dl->origin[1] - dl->radius > grid->meshBounds[1][1]
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|| dl->origin[1] + dl->radius < grid->meshBounds[0][1]
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|| dl->origin[2] - dl->radius > grid->meshBounds[1][2]
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|| dl->origin[2] + dl->radius < grid->meshBounds[0][2] ) {
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// dlight doesn't reach the bounds
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dlightBits &= ~( 1 << i );
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}
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}
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if ( !dlightBits ) {
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tr.pc.c_dlightSurfacesCulled++;
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}
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grid->dlightBits[ tr.smpFrame ] = dlightBits;
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return dlightBits;
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#endif
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}
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/*
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====================
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R_DlightSurface
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The given surface is going to be drawn, and it touches a leaf
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that is touched by one or more dlights, so try to throw out
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more dlights if possible.
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====================
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*/
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static int R_DlightSurface( msurface_t *surf, int dlightBits ) {
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int dlightMap;
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dlightMap = 0;
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if ( *surf->data == SF_FACE ) {
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if (!r_fastdlights->integer) {
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if (surf->shader->lightmapIndex >= 0) {
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dlightMap = R_RealDlightFace((srfSurfaceFace_t*)surf->data, dlightBits);
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} else {
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((srfSurfaceFace_t*)surf->data)->dlightMap[tr.smpFrame] = 0;
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dlightMap = 0;
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}
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return dlightMap;
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} else {
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dlightBits = R_FastDlightFace((srfSurfaceFace_t*)surf->data, dlightBits);
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}
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} else if ( *surf->data == SF_GRID ) {
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if (!r_fastdlights->integer) {
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if (surf->shader->lightmapIndex >= 0) {
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dlightMap = R_RealDlightPatch((srfGridMesh_t*)surf->data, dlightBits);
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} else {
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((srfGridMesh_t*)surf->data)->dlightMap[tr.smpFrame] = 0.f;
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dlightMap = 0;
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}
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return dlightMap;
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} else {
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dlightBits = R_FastDlightGrid((srfGridMesh_t*)surf->data, dlightBits);
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}
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} else {
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return dlightMap;
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}
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if (dlightBits) {
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tr.pc.c_dlightSurfaces++;
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return 1;
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}
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return dlightMap;
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}
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/*
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======================
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R_DlightTerrain
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======================
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*/
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int R_DlightTerrain(cTerraPatchUnpacked_t* surf, int dlightBits)
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{
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int dlightMap;
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dlightMap = 0;
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if (r_fastdlights->integer)
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{
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if (R_FastDlightTerrain(surf, dlightBits)) {
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++tr.pc.c_dlightSurfaces;
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dlightMap = 1;
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}
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} else if (surf->shader->lightmapIndex < 0) {
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surf->drawinfo.dlightMap[tr.smpFrame] = 0;
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} else {
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dlightMap = R_RealDlightTerrain(surf, dlightBits);
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}
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return dlightMap;
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}
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/*
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======================
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R_CheckDlightSurface
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======================
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*/
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static int R_CheckDlightSurface(msurface_t* surf, int dlightBits)
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{
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if (dlightBits && surf->frameCount != tr.frameCount)
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{
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surf->frameCount = tr.frameCount;
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return R_DlightSurface(surf, dlightBits);
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}
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if (dlightBits)
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{
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//
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// Added in 2.0
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// Return the existing dlight map
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if (*surf->data == SF_FACE)
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{
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return ((srfSurfaceFace_t*)surf->data)->dlightMap[tr.smpFrame];
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}
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else if (*surf->data == SF_GRID)
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{
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return ((srfGridMesh_t*)surf->data)->dlightMap[tr.smpFrame];
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}
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}
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else
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{
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if (*surf->data == SF_FACE)
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{
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((srfSurfaceFace_t*)surf->data)->dlightMap[tr.smpFrame] = 0;
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((srfSurfaceFace_t*)surf->data)->dlightBits[tr.smpFrame] = 0;
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}
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else if (*surf->data == SF_GRID)
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{
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((srfGridMesh_t*)surf->data)->dlightMap[tr.smpFrame] = 0;
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((srfGridMesh_t*)surf->data)->dlightBits[tr.smpFrame] = 0;
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}
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}
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return 0;
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}
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/*
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======================
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R_CheckDlightTerrain
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======================
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*/
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int R_CheckDlightTerrain(cTerraPatchUnpacked_t* surf, int dlightBits)
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{
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if (surf->frameCount == tr.frameCount) {
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return surf->drawinfo.dlightMap[tr.smpFrame];
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}
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surf->frameCount = tr.frameCount;
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if (dlightBits) {
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return R_DlightTerrain(surf, dlightBits);
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}
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surf->drawinfo.dlightMap[tr.smpFrame] = 0;
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surf->drawinfo.dlightBits[tr.smpFrame] = 0;
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return 0;
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}
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/*
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======================
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R_AddWorldSurface
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======================
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*/
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static void R_AddWorldSurface( msurface_t *surf, int dlightBits ) {
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//if ( surf->viewCount == tr.viewCount ) {
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// return; // already in this view
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//}
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surf->viewCount = tr.viewCount;
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// FIXME: bmodel fog?
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// try to cull before dlighting or adding
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if ( R_CullSurface( surf->data, surf->shader ) ) {
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return;
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}
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// check for dlighting
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dlightBits = R_CheckDlightSurface(surf, dlightBits);
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if (surf->shader && surf->shader->isPortalSky) {
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// Sky portal
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R_Sky_AddSurf(surf);
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return;
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}
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R_AddDrawSurf( surf->data, surf->shader, dlightBits );
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}
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/*
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=============================================================
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BRUSH MODELS
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=============================================================
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*/
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/*
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=================
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R_AddBrushModelSurfaces
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=================
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*/
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void R_AddBrushModelSurfaces ( trRefEntity_t *ent ) {
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bmodel_t *bmodel;
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int clip;
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model_t *pModel;
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int i;
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pModel = R_GetModelByHandle( ent->e.hModel );
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bmodel = pModel->d.bmodel;
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clip = R_CullLocalBox( bmodel->bounds );
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if ( clip == CULL_OUT ) {
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return;
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}
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R_DlightBmodel( bmodel );
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for ( i = 0 ; i < bmodel->numSurfaces ; i++ ) {
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R_AddWorldSurface( bmodel->firstSurface + i, tr.currentEntity->needDlights );
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}
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}
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/*
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=============================================================
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WORLD MODEL
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=============================================================
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*/
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void R_GetInlineModelBounds(int iIndex, vec3_t vMins, vec3_t vMaxs)
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{
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bmodel_t* bmodel;
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bmodel = &tr.world->bmodels[iIndex];
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VectorCopy(bmodel->bounds[0], vMins);
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VectorCopy(bmodel->bounds[1], vMaxs);
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}
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/*
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================
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R_RecursiveWorldNode
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================
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*/
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static void R_RecursiveWorldNode( mnode_t *node, int planeBits, int dlightBits ) {
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do {
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// if the node wasn't marked as potentially visible, exit
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if (node->visframe != tr.visCount) {
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return;
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}
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// if the bounding volume is outside the frustum, nothing
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// inside can be visible OPTIMIZE: don't do this all the way to leafs?
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if ( !r_nocull->integer ) {
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int r;
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if (planeBits & 1) {
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r = BoxOnPlaneSide(node->mins, node->maxs, &tr.viewParms.frustum[0]);
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if (r == 2) {
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return; // culled
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}
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if (r == 1) {
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planeBits &= ~1; // all descendants will also be in front
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}
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}
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if (planeBits & 2) {
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r = BoxOnPlaneSide(node->mins, node->maxs, &tr.viewParms.frustum[1]);
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if (r == 2) {
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return; // culled
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}
|
|
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;
|
|
}
|
|
|
|
// recurse down the children, front side first
|
|
R_RecursiveWorldNode (node->children[0], planeBits, dlightBits);
|
|
|
|
// tail recurse
|
|
node = node->children[1];
|
|
} while ( 1 );
|
|
|
|
{
|
|
// leaf node, so add mark surfaces
|
|
int c;
|
|
msurface_t *surf, **mark;
|
|
|
|
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];
|
|
}
|
|
|
|
tr.portalsky.cntNode = node;
|
|
|
|
if (r_drawbrushes->integer) {
|
|
// add the individual surfaces
|
|
mark = node->firstmarksurface;
|
|
c = node->nummarksurfaces;
|
|
while (c--) {
|
|
// the surface may have already been added if it
|
|
// spans multiple leafs
|
|
surf = *mark;
|
|
if (surf->viewCount != tr.viewCount) {
|
|
R_AddWorldSurface(surf, dlightBits);
|
|
}
|
|
mark++;
|
|
}
|
|
}
|
|
|
|
if (r_drawterrain->integer && tr.refdef.render_terrain && !tr.viewParms.isPortalSky)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < node->numTerraPatches; i++) {
|
|
R_MarkTerrainPatch(tr.world->visTerraPatches[node->firstTerraPatch + i]);
|
|
}
|
|
}
|
|
|
|
if (r_drawstaticdecals->integer) {
|
|
if (node->pFirstMarkFragment) {
|
|
R_AddPermanentMarkFragmentSurfaces(node->pFirstMarkFragment, node->iNumMarkFragment);
|
|
}
|
|
}
|
|
|
|
if (r_drawstaticmodels->integer) {
|
|
int i;
|
|
|
|
for (i = 0; i < node->numStaticModels; i++) {
|
|
tr.world->visStaticModels[node->firstStaticModel + i]->visCount = tr.visCount;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
int R_SphereInLeafs(const vec3_t p, float r, mnode_t** nodes, int nMaxNodes) {
|
|
mnode_t* nodestack[1024];
|
|
int iNodeStackPos;
|
|
mnode_t* pCurNode;
|
|
int nFoundNodes;
|
|
|
|
iNodeStackPos = 0;
|
|
pCurNode = tr.world->nodes;
|
|
nFoundNodes = 0;
|
|
|
|
while (1)
|
|
{
|
|
cplane_t* plane;
|
|
float d;
|
|
|
|
while (pCurNode->contents == -1)
|
|
{
|
|
plane = pCurNode->plane;
|
|
if (plane->type >= PLANE_NON_AXIAL) {
|
|
d = DotProduct(p, plane->normal) - plane->dist;
|
|
} else {
|
|
d = p[plane->type] - plane->dist;
|
|
}
|
|
|
|
if (d < r) {
|
|
if (d > -r) {
|
|
nodestack[iNodeStackPos++] = pCurNode->children[0];
|
|
}
|
|
pCurNode = pCurNode->children[1];
|
|
} else {
|
|
pCurNode = pCurNode->children[0];
|
|
}
|
|
}
|
|
|
|
nodes[nFoundNodes++] = pCurNode;
|
|
if (!iNodeStackPos || nFoundNodes == nMaxNodes) {
|
|
break;
|
|
}
|
|
|
|
iNodeStackPos--;
|
|
pCurNode = nodestack[iNodeStackPos];
|
|
}
|
|
|
|
return nFoundNodes;
|
|
}
|
|
/*
|
|
===============
|
|
R_PointInLeaf
|
|
===============
|
|
*/
|
|
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 = CM_ClusterPVS( leaf->cluster );
|
|
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
|
|
|
|
// if r_showcluster was just turned on, remark everything
|
|
if ( tr.viewCluster == cluster && !tr.refdef.areamaskModified
|
|
&& !r_showcluster->modified ) {
|
|
return;
|
|
}
|
|
|
|
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 );
|
|
}
|
|
}
|
|
|
|
tr.visCount++;
|
|
tr.viewCluster = cluster;
|
|
|
|
if ( r_novis->integer || tr.viewCluster == -1 ) {
|
|
for (i=0 ; i<tr.world->numnodes ; i++) {
|
|
if (tr.world->nodes[i].contents != CONTENTS_SOLID) {
|
|
tr.world->nodes[i].visframe = tr.visCount;
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
vis = R_ClusterPVS (tr.viewCluster);
|
|
|
|
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->visframe == tr.visCount)
|
|
break;
|
|
parent->visframe = tr.visCount;
|
|
parent = parent->parent;
|
|
} while (parent);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
R_AddWorldSurfaces
|
|
=============
|
|
*/
|
|
void R_AddWorldSurfaces (void) {
|
|
if (!r_drawworld->integer) {
|
|
return;
|
|
}
|
|
|
|
if (tr.refdef.rdflags & RDF_NOWORLDMODEL) {
|
|
return;
|
|
}
|
|
|
|
tr.currentEntityNum = ENTITYNUM_WORLD;
|
|
tr.shiftedEntityNum = tr.currentEntityNum << QSORT_ENTITYNUM_SHIFT;
|
|
|
|
if (r_drawterrain->integer && tr.refdef.render_terrain && !tr.viewParms.isPortalSky) {
|
|
R_TerrainPrepareFrame();
|
|
}
|
|
|
|
// determine which leaves are in the PVS / areamask
|
|
R_MarkLeaves();
|
|
|
|
// clear out the visible min/max
|
|
ClearBounds(tr.viewParms.visBounds[0], tr.viewParms.visBounds[1]);
|
|
|
|
// perform frustum culling and add all the potentially visible surfaces
|
|
if (tr.refdef.num_dlights > 32) {
|
|
tr.refdef.num_dlights = 32;
|
|
}
|
|
R_TransformDlights(tr.refdef.num_dlights, tr.refdef.dlights, &tr.viewParms.world);
|
|
R_RecursiveWorldNode(tr.world->nodes, tr.viewParms.fog.extrafrustums ? 31 : 15, (1 << tr.refdef.num_dlights) - 1);
|
|
|
|
if (r_drawterrain->integer && tr.refdef.render_terrain && !tr.viewParms.isPortalSky) {
|
|
R_AddTerrainSurfaces();
|
|
}
|
|
if (r_drawstaticmodels->integer) {
|
|
R_AddStaticModelSurfaces();
|
|
}
|
|
|
|
if (g_bInfostaticmodels) {
|
|
g_bInfostaticmodels = 0;
|
|
R_PrintInfoStaticModels();
|
|
}
|
|
|
|
R_UpdateLevelMarksSystem();
|
|
}
|