--- /dev/null
+/* -------------------------------------------------------------------------------
+
+Copyright (C) 1999-2007 id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant 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.
+
+GtkRadiant 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 GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+----------------------------------------------------------------------------------
+
+This code has been altered significantly from its original form, to support
+several games based on the Quake III Arena engine, in the form of "Q3Map2."
+
+------------------------------------------------------------------------------- */
+
+
+
+/* marker */
+#define WRITEBSP_C
+
+
+
+/* dependencies */
+#include "q3map2.h"
+
+
+
+/*
+EmitShader()
+emits a bsp shader entry
+*/
+
+int EmitShader( const char *shader, int *contentFlags, int *surfaceFlags )
+{
+ int i;
+ shaderInfo_t *si;
+
+
+ /* handle special cases */
+ if( shader == NULL )
+ shader = "noshader";
+
+ /* try to find an existing shader */
+ for( i = 0; i < numBSPShaders; i++ )
+ {
+ /* ydnar: handle custom surface/content flags */
+ if( surfaceFlags != NULL && bspShaders[ i ].surfaceFlags != *surfaceFlags )
+ continue;
+ if( contentFlags != NULL && bspShaders[ i ].contentFlags != *contentFlags )
+ continue;
+
+ /* compare name */
+ if( !Q_stricmp( shader, bspShaders[ i ].shader ) )
+ return i;
+ }
+
+ // i == numBSPShaders
+
+ /* get shaderinfo */
+ si = ShaderInfoForShader( shader );
+
+ /* emit a new shader */
+ AUTOEXPAND_BY_REALLOC_BSP(Shaders, 1024);
+
+ numBSPShaders++;
+ strcpy( bspShaders[ i ].shader, shader );
+ bspShaders[ i ].surfaceFlags = si->surfaceFlags;
+ bspShaders[ i ].contentFlags = si->contentFlags;
+
+ /* handle custom content/surface flags */
+ if( surfaceFlags != NULL )
+ bspShaders[ i ].surfaceFlags = *surfaceFlags;
+ if( contentFlags != NULL )
+ bspShaders[ i ].contentFlags = *contentFlags;
+
+ /* recursively emit any damage shaders */
+ if( si->damageShader != NULL && si->damageShader[ 0 ] != '\0' )
+ {
+ Sys_FPrintf( SYS_VRB, "Shader %s has damage shader %s\n", si->shader, si->damageShader );
+ EmitShader( si->damageShader, NULL, NULL );
+ }
+
+ /* return it */
+ return i;
+}
+
+
+
+/*
+EmitPlanes()
+there is no oportunity to discard planes, because all of the original
+brushes will be saved in the map
+*/
+
+void EmitPlanes( void )
+{
+ int i;
+ bspPlane_t *bp;
+ plane_t *mp;
+
+
+ /* walk plane list */
+ mp = mapplanes;
+ for( i = 0; i < nummapplanes; i++, mp++ )
+ {
+ AUTOEXPAND_BY_REALLOC_BSP(Planes, 1024);
+ bp = &bspPlanes[ numBSPPlanes ];
+ VectorCopy( mp->normal, bp->normal );
+ bp->dist = mp->dist;
+ numBSPPlanes++;
+ }
+
+ /* emit some statistics */
+ Sys_FPrintf( SYS_VRB, "%9d BSP planes\n", numBSPPlanes );
+}
+
+
+
+/*
+EmitLeaf()
+emits a leafnode to the bsp file
+*/
+
+void EmitLeaf( node_t *node )
+{
+ bspLeaf_t *leaf_p;
+ brush_t *b;
+ drawSurfRef_t *dsr;
+
+
+ /* check limits */
+ if( numBSPLeafs >= MAX_MAP_LEAFS )
+ Error( "MAX_MAP_LEAFS" );
+
+ leaf_p = &bspLeafs[numBSPLeafs];
+ numBSPLeafs++;
+
+ leaf_p->cluster = node->cluster;
+ leaf_p->area = node->area;
+
+ /* emit bounding box */
+ VectorCopy( node->mins, leaf_p->mins );
+ VectorCopy( node->maxs, leaf_p->maxs );
+
+ /* emit leaf brushes */
+ leaf_p->firstBSPLeafBrush = numBSPLeafBrushes;
+ for( b = node->brushlist; b; b = b->next )
+ {
+ /* something is corrupting brushes */
+ if( (size_t) b < 256 )
+ {
+ Sys_Printf( "WARNING: Node brush list corrupted (0x%08X)\n", b );
+ break;
+ }
+ //% if( b->guard != 0xDEADBEEF )
+ //% Sys_Printf( "Brush %6d: 0x%08X Guard: 0x%08X Next: 0x%08X Original: 0x%08X Sides: %d\n", b->brushNum, b, b, b->next, b->original, b->numsides );
+
+ AUTOEXPAND_BY_REALLOC_BSP(LeafBrushes, 1024);
+ bspLeafBrushes[ numBSPLeafBrushes ] = b->original->outputNum;
+ numBSPLeafBrushes++;
+ }
+
+ leaf_p->numBSPLeafBrushes = numBSPLeafBrushes - leaf_p->firstBSPLeafBrush;
+
+ /* emit leaf surfaces */
+ if( node->opaque )
+ return;
+
+ /* add the drawSurfRef_t drawsurfs */
+ leaf_p->firstBSPLeafSurface = numBSPLeafSurfaces;
+ for ( dsr = node->drawSurfReferences; dsr; dsr = dsr->nextRef )
+ {
+ AUTOEXPAND_BY_REALLOC_BSP(LeafSurfaces, 1024);
+ bspLeafSurfaces[ numBSPLeafSurfaces ] = dsr->outputNum;
+ numBSPLeafSurfaces++;
+ }
+
+ leaf_p->numBSPLeafSurfaces = numBSPLeafSurfaces - leaf_p->firstBSPLeafSurface;
+}
+
+
+/*
+EmitDrawNode_r()
+recursively emit the bsp nodes
+*/
+
+int EmitDrawNode_r( node_t *node )
+{
+ bspNode_t *n;
+ int i, n0;
+
+
+ /* check for leafnode */
+ if( node->planenum == PLANENUM_LEAF )
+ {
+ EmitLeaf( node );
+ return -numBSPLeafs;
+ }
+
+ /* emit a node */
+ AUTOEXPAND_BY_REALLOC_BSP(Nodes, 1024);
+ n0 = numBSPNodes;
+ n = &bspNodes[ n0 ];
+ numBSPNodes++;
+
+ VectorCopy (node->mins, n->mins);
+ VectorCopy (node->maxs, n->maxs);
+
+ if (node->planenum & 1)
+ Error ("WriteDrawNodes_r: odd planenum");
+ n->planeNum = node->planenum;
+
+ //
+ // recursively output the other nodes
+ //
+ for (i=0 ; i<2 ; i++)
+ {
+ if (node->children[i]->planenum == PLANENUM_LEAF)
+ {
+ n->children[i] = -(numBSPLeafs + 1);
+ EmitLeaf (node->children[i]);
+ }
+ else
+ {
+ n->children[i] = numBSPNodes;
+ EmitDrawNode_r (node->children[i]);
+ // n may have become invalid here, so...
+ n = &bspNodes[ n0 ];
+ }
+ }
+
+ return n - bspNodes;
+}
+
+
+
+/*
+============
+SetModelNumbers
+============
+*/
+void SetModelNumbers (void)
+{
+ int i;
+ int models;
+ char value[10];
+
+ models = 1;
+ for ( i=1 ; i<numEntities ; i++ ) {
+ if ( entities[i].brushes || entities[i].patches ) {
+ sprintf ( value, "*%i", models );
+ models++;
+ SetKeyValue (&entities[i], "model", value);
+ }
+ }
+
+}
+
+
+
+
+/*
+SetLightStyles()
+sets style keys for entity lights
+*/
+
+void SetLightStyles( void )
+{
+ int i, j, style, numStyles;
+ const char *t;
+ entity_t *e;
+ epair_t *ep, *next;
+ char value[ 10 ];
+ char lightTargets[ MAX_SWITCHED_LIGHTS ][ 64 ];
+ int lightStyles[ MAX_SWITCHED_LIGHTS ];
+
+ /* ydnar: determine if we keep lights in the bsp */
+ if (KeyExists(&entities[ 0 ], "_keepLights") == qtrue)
+ {
+ t = ValueForKey( &entities[ 0 ], "_keepLights" );
+ keepLights = (t[ 0 ] == '1') ? qtrue : qfalse;
+ }
+
+ /* any light that is controlled (has a targetname) must have a unique style number generated for it */
+ numStyles = 0;
+ for( i = 1; i < numEntities; i++ )
+ {
+ e = &entities[ i ];
+
+ t = ValueForKey( e, "classname" );
+ if( Q_strncasecmp( t, "light", 5 ) )
+ continue;
+ t = ValueForKey( e, "targetname" );
+ if( t[ 0 ] == '\0' )
+ {
+ /* ydnar: strip the light from the BSP file */
+ if( keepLights == qfalse )
+ {
+ ep = e->epairs;
+ while( ep != NULL )
+ {
+ next = ep->next;
+ free( ep->key );
+ free( ep->value );
+ free( ep );
+ ep = next;
+ }
+ e->epairs = NULL;
+ numStrippedLights++;
+ }
+
+ /* next light */
+ continue;
+ }
+
+ /* get existing style */
+ style = IntForKey( e, "style" );
+ if( style < LS_NORMAL || style > LS_NONE )
+ Error( "Invalid lightstyle (%d) on entity %d", style, i );
+
+ /* find this targetname */
+ for( j = 0; j < numStyles; j++ )
+ if( lightStyles[ j ] == style && !strcmp( lightTargets[ j ], t ) )
+ break;
+
+ /* add a new style */
+ if( j >= numStyles )
+ {
+ if( numStyles == MAX_SWITCHED_LIGHTS )
+ Error( "MAX_SWITCHED_LIGHTS (%d) exceeded, reduce the number of lights with targetnames", MAX_SWITCHED_LIGHTS );
+ strcpy( lightTargets[ j ], t );
+ lightStyles[ j ] = style;
+ numStyles++;
+ }
+
+ /* set explicit style */
+ sprintf( value, "%d", 32 + j );
+ SetKeyValue( e, "style", value );
+
+ /* set old style */
+ if( style != LS_NORMAL )
+ {
+ sprintf( value, "%d", style );
+ SetKeyValue( e, "switch_style", value );
+ }
+ }
+
+ /* emit some statistics */
+ Sys_FPrintf( SYS_VRB, "%9d light entities stripped\n", numStrippedLights );
+}
+
+
+
+/*
+BeginBSPFile()
+starts a new bsp file
+*/
+
+void BeginBSPFile( void )
+{
+ /* these values may actually be initialized if the file existed when loaded, so clear them explicitly */
+ numBSPModels = 0;
+ numBSPNodes = 0;
+ numBSPBrushSides = 0;
+ numBSPLeafSurfaces = 0;
+ numBSPLeafBrushes = 0;
+
+ /* leave leaf 0 as an error, because leafs are referenced as negative number nodes */
+ numBSPLeafs = 1;
+
+
+ /* ydnar: gs mods: set the first 6 drawindexes to 0 1 2 2 1 3 for triangles and quads */
+ numBSPDrawIndexes = 6;
+ bspDrawIndexes[ 0 ] = 0;
+ bspDrawIndexes[ 1 ] = 1;
+ bspDrawIndexes[ 2 ] = 2;
+ bspDrawIndexes[ 3 ] = 0;
+ bspDrawIndexes[ 4 ] = 2;
+ bspDrawIndexes[ 5 ] = 3;
+}
+
+
+
+/*
+EndBSPFile()
+finishes a new bsp and writes to disk
+*/
+
+void EndBSPFile(qboolean do_write)
+{
+ char path[ 1024 ];
+
+
+ Sys_FPrintf( SYS_VRB, "--- EndBSPFile ---\n" );
+
+ EmitPlanes();
+
+ numBSPEntities = numEntities;
+ UnparseEntities();
+
+ if(do_write)
+ {
+ /* write the surface extra file */
+ WriteSurfaceExtraFile( source );
+
+ /* write the bsp */
+ sprintf( path, "%s.bsp", source );
+ Sys_Printf( "Writing %s\n", path );
+ WriteBSPFile( path );
+ }
+}
+
+
+
+/*
+EmitBrushes()
+writes the brush list to the bsp
+*/
+
+void EmitBrushes( brush_t *brushes, int *firstBrush, int *numBrushes )
+{
+ int j;
+ brush_t *b;
+ bspBrush_t *db;
+ bspBrushSide_t *cp;
+
+
+ /* set initial brush */
+ if( firstBrush != NULL )
+ *firstBrush = numBSPBrushes;
+ if( numBrushes != NULL )
+ *numBrushes = 0;
+
+ /* walk list of brushes */
+ for( b = brushes; b != NULL; b = b->next )
+ {
+ /* check limits */
+ AUTOEXPAND_BY_REALLOC_BSP(Brushes, 1024);
+
+ /* get bsp brush */
+ b->outputNum = numBSPBrushes;
+ db = &bspBrushes[ numBSPBrushes ];
+ numBSPBrushes++;
+ if( numBrushes != NULL )
+ (*numBrushes)++;
+
+ db->shaderNum = EmitShader( b->contentShader->shader, &b->contentShader->contentFlags, &b->contentShader->surfaceFlags );
+ db->firstSide = numBSPBrushSides;
+
+ /* walk sides */
+ db->numSides = 0;
+ for( j = 0; j < b->numsides; j++ )
+ {
+ /* set output number to bogus initially */
+ b->sides[ j ].outputNum = -1;
+
+ /* check count */
+ AUTOEXPAND_BY_REALLOC_BSP(BrushSides, 1024);
+
+ /* emit side */
+ b->sides[ j ].outputNum = numBSPBrushSides;
+ cp = &bspBrushSides[ numBSPBrushSides ];
+ db->numSides++;
+ numBSPBrushSides++;
+ cp->planeNum = b->sides[ j ].planenum;
+
+ /* emit shader */
+ if( b->sides[ j ].shaderInfo )
+ cp->shaderNum = EmitShader( b->sides[ j ].shaderInfo->shader, &b->sides[ j ].shaderInfo->contentFlags, &b->sides[ j ].shaderInfo->surfaceFlags );
+ else
+ cp->shaderNum = EmitShader( NULL, NULL, NULL );
+ }
+ }
+}
+
+
+
+/*
+EmitFogs() - ydnar
+turns map fogs into bsp fogs
+*/
+
+void EmitFogs( void )
+{
+ int i, j;
+
+
+ /* setup */
+ numBSPFogs = numMapFogs;
+
+ /* walk list */
+ for( i = 0; i < numMapFogs; i++ )
+ {
+ /* set shader */
+ strcpy( bspFogs[ i ].shader, mapFogs[ i ].si->shader );
+
+ /* global fog doesn't have an associated brush */
+ if( mapFogs[ i ].brush == NULL )
+ {
+ bspFogs[ i ].brushNum = -1;
+ bspFogs[ i ].visibleSide = -1;
+ }
+ else
+ {
+ /* set brush */
+ bspFogs[ i ].brushNum = mapFogs[ i ].brush->outputNum;
+
+ /* try to use forced visible side */
+ if( mapFogs[ i ].visibleSide >= 0 )
+ {
+ bspFogs[ i ].visibleSide = mapFogs[ i ].visibleSide;
+ continue;
+ }
+
+ /* find visible side */
+ for( j = 0; j < 6; j++ )
+ {
+ if( mapFogs[ i ].brush->sides[ j ].visibleHull != NULL )
+ {
+ Sys_Printf( "Fog %d has visible side %d\n", i, j );
+ bspFogs[ i ].visibleSide = j;
+ break;
+ }
+ }
+ }
+ }
+}
+
+
+
+/*
+BeginModel()
+sets up a new brush model
+*/
+
+void BeginModel( void )
+{
+ bspModel_t *mod;
+ brush_t *b;
+ entity_t *e;
+ vec3_t mins, maxs;
+ vec3_t lgMins, lgMaxs; /* ydnar: lightgrid mins/maxs */
+ parseMesh_t *p;
+ int i;
+
+
+ /* test limits */
+ AUTOEXPAND_BY_REALLOC_BSP(Models, 256);
+
+ /* get model and entity */
+ mod = &bspModels[ numBSPModels ];
+ e = &entities[ mapEntityNum ];
+
+ /* ydnar: lightgrid mins/maxs */
+ ClearBounds( lgMins, lgMaxs );
+
+ /* bound the brushes */
+ ClearBounds( mins, maxs );
+ for ( b = e->brushes; b; b = b->next )
+ {
+ /* ignore non-real brushes (origin, etc) */
+ if( b->numsides == 0 )
+ continue;
+ AddPointToBounds( b->mins, mins, maxs );
+ AddPointToBounds( b->maxs, mins, maxs );
+
+ /* ydnar: lightgrid bounds */
+ if( b->compileFlags & C_LIGHTGRID )
+ {
+ AddPointToBounds( b->mins, lgMins, lgMaxs );
+ AddPointToBounds( b->maxs, lgMins, lgMaxs );
+ }
+ }
+
+ /* bound patches */
+ for( p = e->patches; p; p = p->next )
+ {
+ for( i = 0; i < (p->mesh.width * p->mesh.height); i++ )
+ AddPointToBounds( p->mesh.verts[i].xyz, mins, maxs );
+ }
+
+ /* ydnar: lightgrid mins/maxs */
+ if( lgMins[ 0 ] < 99999 )
+ {
+ /* use lightgrid bounds */
+ VectorCopy( lgMins, mod->mins );
+ VectorCopy( lgMaxs, mod->maxs );
+ }
+ else
+ {
+ /* use brush/patch bounds */
+ VectorCopy( mins, mod->mins );
+ VectorCopy( maxs, mod->maxs );
+ }
+
+ /* note size */
+ Sys_FPrintf( SYS_VRB, "BSP bounds: { %f %f %f } { %f %f %f }\n", mins[ 0 ], mins[ 1 ], mins[ 2 ], maxs[ 0 ], maxs[ 1 ], maxs[ 2 ] );
+ Sys_FPrintf( SYS_VRB, "Lightgrid bounds: { %f %f %f } { %f %f %f }\n", lgMins[ 0 ], lgMins[ 1 ], lgMins[ 2 ], lgMaxs[ 0 ], lgMaxs[ 1 ], lgMaxs[ 2 ] );
+
+ /* set firsts */
+ mod->firstBSPSurface = numBSPDrawSurfaces;
+ mod->firstBSPBrush = numBSPBrushes;
+}
+
+
+
+
+/*
+EndModel()
+finish a model's processing
+*/
+
+void EndModel( entity_t *e, node_t *headnode )
+{
+ bspModel_t *mod;
+
+
+ /* note it */
+ Sys_FPrintf( SYS_VRB, "--- EndModel ---\n" );
+
+ /* emit the bsp */
+ mod = &bspModels[ numBSPModels ];
+ EmitDrawNode_r( headnode );
+
+ /* set surfaces and brushes */
+ mod->numBSPSurfaces = numBSPDrawSurfaces - mod->firstBSPSurface;
+ mod->firstBSPBrush = e->firstBrush;
+ mod->numBSPBrushes = e->numBrushes;
+
+ /* increment model count */
+ numBSPModels++;
+}
+
+
+
projects / voretournament / voretournament.git / blobdiff