dhewm3/neo/tools/compilers/dmap/leakfile.cpp

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2011-11-22 21:28:15 +00:00
/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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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 "../../../idlib/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;
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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);
}