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- #include "qbsp.h"
-
- /*
- ============
- EmitShader
- ============
- */
- int EmitShader( const char *shader ) {
- int i;
- shaderInfo_t *si;
-
- if ( !shader ) {
- shader = "noshader";
- }
-
- for ( i = 0 ; i < numShaders ; i++ ) {
- if ( !Q_stricmp( shader, dshaders[i].shader ) ) {
- return i;
- }
- }
-
- if ( i == MAX_MAP_SHADERS ) {
- Error( "MAX_MAP_SHADERS" );
- }
- numShaders++;
- strcpy( dshaders[i].shader, shader );
-
- si = ShaderInfoForShader( shader );
- dshaders[i].surfaceFlags = si->surfaceFlags;
- dshaders[i].contentFlags = si->contents;
-
- 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;
- dplane_t *dp;
- plane_t *mp;
-
- mp = mapplanes;
- for (i=0 ; i<nummapplanes ; i++, mp++)
- {
- dp = &dplanes[numplanes];
- VectorCopy ( mp->normal, dp->normal);
- dp->dist = mp->dist;
- numplanes++;
- }
- }
-
-
-
- /*
- ==================
- EmitLeaf
- ==================
- */
- void EmitLeaf (node_t *node)
- {
- dleaf_t *leaf_p;
- bspbrush_t *b;
- drawSurfRef_t *dsr;
-
- // emit a leaf
- if (numleafs >= MAX_MAP_LEAFS)
- Error ("MAX_MAP_LEAFS");
-
- leaf_p = &dleafs[numleafs];
- numleafs++;
-
- leaf_p->cluster = node->cluster;
- leaf_p->area = node->area;
-
- //
- // write bounding box info
- //
- VectorCopy (node->mins, leaf_p->mins);
- VectorCopy (node->maxs, leaf_p->maxs);
-
- //
- // write the leafbrushes
- //
- leaf_p->firstLeafBrush = numleafbrushes;
- for ( b = node->brushlist ; b ; b = b->next ) {
- if ( numleafbrushes >= MAX_MAP_LEAFBRUSHES ) {
- Error( "MAX_MAP_LEAFBRUSHES" );
- }
- dleafbrushes[numleafbrushes] = b->original->outputNumber;
- numleafbrushes++;
- }
- leaf_p->numLeafBrushes = numleafbrushes - leaf_p->firstLeafBrush;
-
- //
- // write the surfaces visible in this leaf
- //
- if ( node->opaque ) {
- return; // no leaffaces in solids
- }
-
- // add the drawSurfRef_t drawsurfs
- leaf_p->firstLeafSurface = numleafsurfaces;
- for ( dsr = node->drawSurfReferences ; dsr ; dsr = dsr->nextRef ) {
- if ( numleafsurfaces >= MAX_MAP_LEAFFACES)
- Error ("MAX_MAP_LEAFFACES");
- dleafsurfaces[numleafsurfaces] = dsr->outputNumber;
- numleafsurfaces++;
- }
-
-
- leaf_p->numLeafSurfaces = numleafsurfaces - leaf_p->firstLeafSurface;
- }
-
-
- /*
- ============
- EmitDrawNode_r
- ============
- */
- int EmitDrawNode_r (node_t *node)
- {
- dnode_t *n;
- int i;
-
- if (node->planenum == PLANENUM_LEAF)
- {
- EmitLeaf (node);
- return -numleafs;
- }
-
- // emit a node
- if (numnodes == MAX_MAP_NODES)
- Error ("MAX_MAP_NODES");
- n = &dnodes[numnodes];
- numnodes++;
-
- 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] = -(numleafs + 1);
- EmitLeaf (node->children[i]);
- }
- else
- {
- n->children[i] = numnodes;
- EmitDrawNode_r (node->children[i]);
- }
- }
-
- return n - dnodes;
- }
-
- //=========================================================
-
-
-
- /*
- ============
- SetModelNumbers
- ============
- */
- void SetModelNumbers (void)
- {
- int i;
- int models;
- char value[10];
-
- models = 1;
- for ( i=1 ; i<num_entities ; i++ ) {
- if ( entities[i].brushes || entities[i].patches ) {
- sprintf ( value, "*%i", models );
- models++;
- SetKeyValue (&entities[i], "model", value);
- }
- }
-
- }
-
- /*
- ============
- SetLightStyles
- ============
- */
- #define MAX_SWITCHED_LIGHTS 32
- void SetLightStyles (void)
- {
- int stylenum;
- const char *t;
- entity_t *e;
- int i, j;
- char value[10];
- char lighttargets[MAX_SWITCHED_LIGHTS][64];
-
-
- // any light that is controlled (has a targetname)
- // must have a unique style number generated for it
-
- stylenum = 0;
- for (i=1 ; i<num_entities ; i++)
- {
- e = &entities[i];
-
- t = ValueForKey (e, "classname");
- if (Q_strncasecmp (t, "light", 5))
- continue;
- t = ValueForKey (e, "targetname");
- if (!t[0])
- continue;
-
- // find this targetname
- for (j=0 ; j<stylenum ; j++)
- if (!strcmp (lighttargets[j], t))
- break;
- if (j == stylenum)
- {
- if (stylenum == MAX_SWITCHED_LIGHTS)
- Error ("stylenum == MAX_SWITCHED_LIGHTS");
- strcpy (lighttargets[j], t);
- stylenum++;
- }
- sprintf (value, "%i", 32 + j);
- SetKeyValue (e, "style", value);
- }
-
- }
-
- //===========================================================
-
- /*
- ==================
- BeginBSPFile
- ==================
- */
- void BeginBSPFile( void ) {
- // these values may actually be initialized
- // if the file existed when loaded, so clear them explicitly
- nummodels = 0;
- numnodes = 0;
- numbrushsides = 0;
- numleafsurfaces = 0;
- numleafbrushes = 0;
-
- // leave leaf 0 as an error, because leafs are referenced as
- // negative number nodes
- numleafs = 1;
- }
-
-
- /*
- ============
- EndBSPFile
- ============
- */
- void EndBSPFile( void ) {
- char path[1024];
-
- EmitPlanes ();
- UnparseEntities ();
-
- // write the map
- sprintf (path, "%s.bsp", source);
- _printf ("Writing %s\n", path);
- WriteBSPFile (path);
- }
-
-
- //===========================================================
-
- /*
- ============
- EmitBrushes
- ============
- */
- void EmitBrushes ( bspbrush_t *brushes ) {
- int j;
- dbrush_t *db;
- bspbrush_t *b;
- dbrushside_t *cp;
-
- for ( b = brushes ; b ; b = b->next ) {
- if ( numbrushes == MAX_MAP_BRUSHES ) {
- Error( "MAX_MAP_BRUSHES" );
- }
- b->outputNumber = numbrushes;
- db = &dbrushes[numbrushes];
- numbrushes++;
-
- db->shaderNum = EmitShader( b->contentShader->shader );
- db->firstSide = numbrushsides;
-
- // don't emit any generated backSide sides
- db->numSides = 0;
- for ( j=0 ; j<b->numsides ; j++ ) {
- if ( b->sides[j].backSide ) {
- continue;
- }
- if ( numbrushsides == MAX_MAP_BRUSHSIDES ) {
- Error( "MAX_MAP_BRUSHSIDES ");
- }
- cp = &dbrushsides[numbrushsides];
- db->numSides++;
- numbrushsides++;
- cp->planeNum = b->sides[j].planenum;
- cp->shaderNum = EmitShader( b->sides[j].shaderInfo->shader );
- }
- }
-
- }
-
-
- /*
- ==================
- BeginModel
- ==================
- */
- void BeginModel( void ) {
- dmodel_t *mod;
- bspbrush_t *b;
- entity_t *e;
- vec3_t mins, maxs;
- parseMesh_t *p;
- int i;
-
- if ( nummodels == MAX_MAP_MODELS ) {
- Error( "MAX_MAP_MODELS" );
- }
- mod = &dmodels[nummodels];
-
- //
- // bound the brushes
- //
- e = &entities[entity_num];
-
- ClearBounds (mins, maxs);
- for ( b = e->brushes ; b ; b = b->next ) {
- if ( !b->numsides ) {
- continue; // not a real brush (origin brush, etc)
- }
- AddPointToBounds (b->mins, mins, maxs);
- AddPointToBounds (b->maxs, mins, maxs);
- }
-
- 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 );
- }
- }
-
- VectorCopy (mins, mod->mins);
- VectorCopy (maxs, mod->maxs);
-
- mod->firstSurface = numDrawSurfaces;
- mod->firstBrush = numbrushes;
-
- EmitBrushes( e->brushes );
- }
-
-
-
-
- /*
- ==================
- EndModel
- ==================
- */
- void EndModel( node_t *headnode ) {
- dmodel_t *mod;
-
- qprintf ("--- EndModel ---\n");
-
- mod = &dmodels[nummodels];
- EmitDrawNode_r (headnode);
- mod->numSurfaces = numDrawSurfaces - mod->firstSurface;
- mod->numBrushes = numbrushes - mod->firstBrush;
-
- nummodels++;
- }
-
-