/*
============
BlockTree
============
*/
node_t *BlockTree (int xl, int yl, int xh, int yh)
{
node_t *node;
vec3_t normal;
float dist;
int mid;
if (xl == xh && yl == yh)
{
node = block_nodes[xl+5][yl+5];
if (!node)
{ // return an empty leaf
node = AllocNode ();
node->planenum = PLANENUM_LEAF;
node->contents = 0; //CONTENTS_SOLID;
return node;
}
return node;
}
// create a seperator along the largest axis
node = AllocNode ();
if (xh - xl > yh - yl)
{ // split x axis
mid = xl + (xh-xl)/2 + 1;
normal[0] = 1;
normal[1] = 0;
normal[2] = 0;
dist = mid*1024;
node->planenum = FindFloatPlane (normal, dist);
node->children[0] = BlockTree ( mid, yl, xh, yh);
node->children[1] = BlockTree ( xl, yl, mid-1, yh);
}
else
{
mid = yl + (yh-yl)/2 + 1;
normal[0] = 0;
normal[1] = 1;
normal[2] = 0;
dist = mid*1024;
node->planenum = FindFloatPlane (normal, dist);
node->children[0] = BlockTree ( xl, mid, xh, yh);
node->children[1] = BlockTree ( xl, yl, xh, mid-1);
}
return node;
}
/*
* ProcessWorldModel
*/
static void ProcessWorldModel(void){
entity_t *e;
tree_t *tree;
boolean_t leaked;
boolean_t optimize;
e = &entities[entity_num];
brush_start = e->first_brush;
brush_end = brush_start + e->num_brushes;
leaked = false;
// perform per-block operations
if(block_xh * 1024 > map_maxs[0])
block_xh = floor(map_maxs[0] / 1024.0);
if((block_xl + 1) * 1024 < map_mins[0])
block_xl = floor(map_mins[0] / 1024.0);
if(block_yh * 1024 > map_maxs[1])
block_yh = floor(map_maxs[1] / 1024.0);
if((block_yl + 1) * 1024 < map_mins[1])
block_yl = floor(map_mins[1] / 1024.0);
if(block_xl < -4)
block_xl = -4;
if(block_yl < -4)
block_yl = -4;
if(block_xh > 3)
block_xh = 3;
if(block_yh > 3)
block_yh = 3;
for(optimize = false; optimize <= true; optimize++){
Com_Verbose("--------------------------------------------\n");
RunThreadsOn((block_xh - block_xl + 1) * (block_yh - block_yl + 1),
!verbose, ProcessBlock_Thread);
// build the division tree
// oversizing the blocks guarantees that all the boundaries
// will also get nodes.
Com_Verbose("--------------------------------------------\n");
tree = AllocTree();
tree->head_node = BlockTree(block_xl - 1, block_yl - 1, block_xh + 1, block_yh + 1);
tree->mins[0] = (block_xl) * 1024;
tree->mins[1] = (block_yl) * 1024;
tree->mins[2] = map_mins[2] - 8;
tree->maxs[0] = (block_xh + 1) * 1024;
tree->maxs[1] = (block_yh + 1) * 1024;
tree->maxs[2] = map_maxs[2] + 8;
// perform the global operations
MakeTreePortals(tree);
if(FloodEntities(tree))
FillOutside(tree->head_node);
else {
leaked = true;
LeakFile(tree);
if(leaktest){
Com_Error(ERR_FATAL, "--- MAP LEAKED, ABORTING LEAKTEST ---\n");
}
Com_Verbose("**** leaked ****\n");
}
MarkVisibleSides(tree, brush_start, brush_end);
if(noopt || leaked)
break;
if(!optimize){
FreeTree(tree);
}
}
FloodAreas(tree);
MakeFaces(tree->head_node);
FixTjuncs(tree->head_node);
if(!noprune)
PruneNodes(tree->head_node);
WriteBSP(tree->head_node);
if(!leaked)
WritePortalFile(tree);
FreeTree(tree);
}
/*
============
ProcessWorldModel
============
*/
void ProcessWorldModel (void)
{
entity_t *e;
tree_t *tree;
qboolean leaked;
qboolean optimize;
e = &entities[entity_num];
brush_start = e->firstbrush;
brush_end = brush_start + e->numbrushes;
leaked = false;
//
// perform per-block operations
//
if (block_xh * 1024 > map_maxs[0])
block_xh = floor(map_maxs[0]/1024.0);
if ( (block_xl+1) * 1024 < map_mins[0])
block_xl = floor(map_mins[0]/1024.0);
if (block_yh * 1024 > map_maxs[1])
block_yh = floor(map_maxs[1]/1024.0);
if ( (block_yl+1) * 1024 < map_mins[1])
block_yl = floor(map_mins[1]/1024.0);
if (block_xl <-4)
block_xl = -4;
if (block_yl <-4)
block_yl = -4;
if (block_xh > 3)
block_xh = 3;
if (block_yh > 3)
block_yh = 3;
for (optimize = false ; optimize <= true ; optimize++)
{
qprintf ("--------------------------------------------\n");
RunThreadsOnIndividual ((block_xh-block_xl+1)*(block_yh-block_yl+1),
!verbose, ProcessBlock_Thread);
//
// build the division tree
// oversizing the blocks guarantees that all the boundaries
// will also get nodes.
//
qprintf ("--------------------------------------------\n");
tree = AllocTree ();
tree->headnode = BlockTree (block_xl-1, block_yl-1, block_xh+1, block_yh+1);
tree->mins[0] = (block_xl)*1024;
tree->mins[1] = (block_yl)*1024;
tree->mins[2] = map_mins[2] - 8;
tree->maxs[0] = (block_xh+1)*1024;
tree->maxs[1] = (block_yh+1)*1024;
tree->maxs[2] = map_maxs[2] + 8;
//
// perform the global operations
//
MakeTreePortals (tree);
if (FloodEntities (tree))
FillOutside (tree->headnode);
else
{
printf ("**** leaked ****\n");
leaked = true;
LeakFile (tree);
if (leaktest)
{
printf ("--- MAP LEAKED ---\n");
exit (0);
}
}
MarkVisibleSides (tree, brush_start, brush_end);
if (noopt || leaked)
break;
if (!optimize)
{
FreeTree (tree);
}
}
FloodAreas (tree);
if (glview)
WriteGLView (tree, source);
MakeFaces (tree->headnode);
FixTjuncs (tree->headnode);
if (!noprune)
PruneNodes (tree->headnode);
WriteBSP (tree->headnode);
if (!leaked)
WritePortalFile (tree);
FreeTree (tree);
}
void ProcessWorldModel (void)
{
entity_t *e;
tree_t *tree = NULL;
qboolean leaked;
int optimize;
int start;
e = &entities[entity_num];
brush_start = e->firstbrush;
brush_end = brush_start + e->numbrushes;
leaked = false;
//
// perform per-block operations
//
if (block_xh * BLOCKS_SIZE > g_MainMap->map_maxs[0])
{
block_xh = floor(g_MainMap->map_maxs[0]/BLOCKS_SIZE);
}
if ( (block_xl+1) * BLOCKS_SIZE < g_MainMap->map_mins[0])
{
block_xl = floor(g_MainMap->map_mins[0]/BLOCKS_SIZE);
}
if (block_yh * BLOCKS_SIZE > g_MainMap->map_maxs[1])
{
block_yh = floor(g_MainMap->map_maxs[1]/BLOCKS_SIZE);
}
if ( (block_yl+1) * BLOCKS_SIZE < g_MainMap->map_mins[1])
{
block_yl = floor(g_MainMap->map_mins[1]/BLOCKS_SIZE);
}
// HLTOOLS: updated to +/- MAX_COORD_INTEGER ( new world size limits / worldsize.h )
if (block_xl < BLOCKS_MIN)
{
block_xl = BLOCKS_MIN;
}
if (block_yl < BLOCKS_MIN)
{
block_yl = BLOCKS_MIN;
}
if (block_xh > BLOCKS_MAX)
{
block_xh = BLOCKS_MAX;
}
if (block_yh > BLOCKS_MAX)
{
block_yh = BLOCKS_MAX;
}
for (optimize = 0 ; optimize <= 1 ; optimize++)
{
qprintf ("--------------------------------------------\n");
RunThreadsOnIndividual ((block_xh-block_xl+1)*(block_yh-block_yl+1),
!verbose, ProcessBlock_Thread);
//
// build the division tree
// oversizing the blocks guarantees that all the boundaries
// will also get nodes.
//
qprintf ("--------------------------------------------\n");
tree = AllocTree ();
tree->headnode = BlockTree (block_xl-1, block_yl-1, block_xh+1, block_yh+1);
tree->mins[0] = (block_xl)*BLOCKS_SIZE;
tree->mins[1] = (block_yl)*BLOCKS_SIZE;
tree->mins[2] = g_MainMap->map_mins[2] - 8;
tree->maxs[0] = (block_xh+1)*BLOCKS_SIZE;
tree->maxs[1] = (block_yh+1)*BLOCKS_SIZE;
tree->maxs[2] = g_MainMap->map_maxs[2] + 8;
//
// perform the global operations
//
// make the portals/faces by traversing down to each empty leaf
MakeTreePortals (tree);
if (FloodEntities (tree))
{
// turns everthing outside into solid
FillOutside (tree->headnode);
}
else
{
Warning( ("**** leaked ****\n") );
leaked = true;
LeakFile (tree);
if (leaktest)
{
Warning( ("--- MAP LEAKED ---\n") );
exit (0);
}
}
// mark the brush sides that actually turned into faces
MarkVisibleSides (tree, brush_start, brush_end, NO_DETAIL);
if (noopt || leaked)
break;
if (!optimize)
{
// If we are optimizing, free the tree. Next time we will construct it again, but
// we'll use the information in MarkVisibleSides() so we'll only split with planes that
// actually contribute renderable geometry
FreeTree (tree);
}
}
FloodAreas (tree);
RemoveAreaPortalBrushes_R( tree->headnode );
start = Plat_FloatTime();
Msg("Building Faces...");
// this turns portals with one solid side into faces
// it also subdivides each face if necessary to fit max lightmap dimensions
MakeFaces (tree->headnode);
Msg("done (%d)\n", (int)(Plat_FloatTime() - start) );
if (glview)
{
WriteGLView (tree, source);
}
AssignOccluderAreas( tree );
Compute3DSkyboxAreas( tree->headnode, g_SkyAreas );
face_t *pLeafFaceList = NULL;
if ( !nodetail )
{
pLeafFaceList = MergeDetailTree( tree, brush_start, brush_end );
}
start = Plat_FloatTime();
Msg("FixTjuncs...\n");
// This unifies the vertex list for all edges (splits collinear edges to remove t-junctions)
// It also welds the list of vertices out of each winding/portal and rounds nearly integer verts to integer
pLeafFaceList = FixTjuncs (tree->headnode, pLeafFaceList);
// this merges all of the solid nodes that have separating planes
if (!noprune)
{
Msg("PruneNodes...\n");
PruneNodes (tree->headnode);
}
// Msg( "SplitSubdividedFaces...\n" );
// SplitSubdividedFaces( tree->headnode );
Msg("WriteBSP...\n");
WriteBSP (tree->headnode, pLeafFaceList);
Msg("done (%d)\n", (int)(Plat_FloatTime() - start) );
if (!leaked)
{
WritePortalFile (tree);
}
FreeTree( tree );
FreeLeafFaces( pLeafFaceList );
}
