void EmitMarkFace (dleaf_t *leaf_p, face_t *f)
{
int i;
int facenum;
while (f->merged)
f = f->merged;
if (f->split[0])
{
EmitMarkFace (leaf_p, f->split[0]);
EmitMarkFace (leaf_p, f->split[1]);
return;
}
facenum = f->outputnumber;
if (facenum == -1)
return; // degenerate face
if (facenum < 0 || facenum >= numfaces)
Error ("Bad leafface");
for (i=leaf_p->firstleafface ; i<numleaffaces ; i++)
if (dleaffaces[i] == facenum)
break; // merged out face
if (i == numleaffaces)
{
if (numleaffaces >= MAX_MAP_LEAFFACES)
Error ("Too many detail brush faces, max = %d\n", MAX_MAP_LEAFFACES);
dleaffaces[numleaffaces] = facenum;
numleaffaces++;
}
}
void EmitMarkFace( dleaf_t *leaf_p, face_t *f ){
int i;
int facenum;
while ( f->merged )
f = f->merged;
if ( f->split[0] ) {
EmitMarkFace( leaf_p, f->split[0] );
EmitMarkFace( leaf_p, f->split[1] );
return;
}
facenum = f->outputnumber;
if ( facenum == -1 ) {
return; // degenerate face
}
if ( facenum < 0 || facenum >= numfaces ) {
Error( "Bad leafface" );
}
for ( i = leaf_p->firstleafface ; i < numleaffaces ; i++ )
if ( dleaffaces[i] == facenum ) {
break;
} // merged out face
if ( i == numleaffaces ) {
if ( numleaffaces >= MAX_MAP_LEAFFACES ) {
Error( "MAX_MAP_LEAFFACES" );
}
dleaffaces[numleaffaces] = facenum;
numleaffaces++;
}
}
/*
==================
EmitLeaf
==================
*/
void EmitLeaf (node_t *node)
{
dleaf_t *leaf_p;
portal_t *p;
int s;
face_t *f;
bspbrush_t *b;
int i;
int brushnum;
leafface_t *pList;
// emit a leaf
if (numleafs >= MAX_MAP_LEAFS)
Error ("Too many BSP leaves, max = %d", MAX_MAP_LEAFS);
node->diskId = numleafs;
leaf_p = &dleafs[numleafs];
numleafs++;
if( nummodels == 0 )
{
leaf_p->cluster = node->cluster;
}
else
{
// Submodels don't have clusters. If this isn't set to -1 here, then there
// will be multiple leaves (albeit from different models) that reference
// the same cluster and parts of the code like ivp.cpp's ConvertWaterModelToPhysCollide
// won't work.
leaf_p->cluster = -1;
}
leaf_p->contents = node->contents;
leaf_p->area = node->area;
// By default, assume the leaf can see the skybox.
// VRAD will do the actual computation to see if it really can see the skybox
leaf_p->flags = LEAF_FLAGS_SKY;
//
// write bounding box info
//
VECTOR_COPY (node->mins, leaf_p->mins);
VECTOR_COPY (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 ("Too many brushes in one leaf, max = %d", MAX_MAP_LEAFBRUSHES);
brushnum = b->original - g_MainMap->mapbrushes;
for (i=leaf_p->firstleafbrush ; i<numleafbrushes ; i++)
{
if (dleafbrushes[i] == brushnum)
break;
}
if (i == numleafbrushes)
{
dleafbrushes[numleafbrushes] = brushnum;
numleafbrushes++;
}
}
leaf_p->numleafbrushes = numleafbrushes - leaf_p->firstleafbrush;
//
// write the leaffaces
//
if (leaf_p->contents & CONTENTS_SOLID)
return; // no leaffaces in solids
leaf_p->firstleafface = numleaffaces;
for (p = node->portals ; p ; p = p->next[s])
{
s = (p->nodes[1] == node);
f = p->face[s];
if (!f)
continue; // not a visible portal
EmitMarkFace (leaf_p, f);
}
// emit the detail faces
for ( pList = node->leaffacelist; pList; pList = pList->pNext )
{
EmitMarkFace( leaf_p, pList->pFace );
}
leaf_p->numleaffaces = numleaffaces - leaf_p->firstleafface;
}
/*
==================
EmitLeaf
==================
*/
void EmitLeaf (node_t *node)
{
dleaf_t *leaf_p;
portal_t *p;
int s;
face_t *f;
bspbrush_t *b;
int i;
int brushnum;
// emit a leaf
if (numleafs >= MAX_MAP_LEAFS)
Error ("MAX_MAP_LEAFS");
leaf_p = &dleafs[numleafs];
numleafs++;
leaf_p->contents = node->contents;
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");
brushnum = b->original - mapbrushes;
for (i=leaf_p->firstleafbrush ; i<numleafbrushes ; i++)
if (dleafbrushes[i] == brushnum)
break;
if (i == numleafbrushes)
{
dleafbrushes[numleafbrushes] = brushnum;
numleafbrushes++;
}
}
leaf_p->numleafbrushes = numleafbrushes - leaf_p->firstleafbrush;
//
// write the leaffaces
//
if (leaf_p->contents & CONTENTS_SOLID)
return; // no leaffaces in solids
leaf_p->firstleafface = numleaffaces;
for (p = node->portals ; p ; p = p->next[s])
{
s = (p->nodes[1] == node);
f = p->face[s];
if (!f)
continue; // not a visible portal
EmitMarkFace (leaf_p, f);
}
leaf_p->numleaffaces = numleaffaces - leaf_p->firstleafface;
}
