doom3-bfg/neo/tools/compilers/dmap/leakfile.cpp

113 lines
3.2 KiB
C++

/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
Doom 3 Source Code 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 3 of the License, or
(at your option) any later version.
Doom 3 Source Code 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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#include "precompiled.h"
#pragma hdrstop
#include "dmap.h"
/*
==============================================================================
LEAF FILE GENERATION
Save out name.line for qe3 to read
==============================================================================
*/
/*
=============
LeakFile
Finds the shortest possible chain of portals
that leads from the outside leaf to a specifically
occupied leaf
=============
*/
void LeakFile( tree_t* tree )
{
idVec3 mid;
FILE* linefile;
idStr filename;
idStr ospath;
node_t* node;
int count;
if( !tree->outside_node.occupied )
return;
common->Printf( "--- LeakFile ---\n" );
//
// write the points to the file
//
sprintf( filename, "%s.lin", dmapGlobals.mapFileBase );
ospath = fileSystem->RelativePathToOSPath( filename );
linefile = fopen( ospath, "w" );
if( !linefile )
{
common->Error( "Couldn't open %s\n", filename.c_str() );
}
count = 0;
node = &tree->outside_node;
while( node->occupied > 1 )
{
int next;
uPortal_t* p, *nextportal = NULL;
node_t* nextnode = NULL;
int s;
// find the best portal exit
next = node->occupied;
for( p = node->portals ; p ; p = p->next[!s] )
{
s = ( p->nodes[0] == node );
if( p->nodes[s]->occupied
&& p->nodes[s]->occupied < next )
{
nextportal = p;
nextnode = p->nodes[s];
next = nextnode->occupied;
}
}
node = nextnode;
mid = nextportal->winding->GetCenter();
fprintf( linefile, "%f %f %f\n", mid[0], mid[1], mid[2] );
count++;
}
// add the occupant center
node->occupant->mapEntity->epairs.GetVector( "origin", "", mid );
fprintf( linefile, "%f %f %f\n", mid[0], mid[1], mid[2] );
common->Printf( "%5i point linefile\n", count + 1 );
fclose( linefile );
}