gtkradiant/tools/quake3/q3map2/leakfile.c
Forest Hale 88cea027e6 ported over the 1.5 branch version of q3map2 which is newer
made Visual Studio files work in VS2005 Express
fixed a ton of warnings in VS2005 Express
fixed some compile problems on OpenSUSE 11.0


git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@302 8a3a26a2-13c4-0310-b231-cf6edde360e5
2008-07-25 07:31:37 +00:00

127 lines
3.1 KiB
C

/* -------------------------------------------------------------------------------
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant 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 2 of the License, or
(at your option) any later version.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
----------------------------------------------------------------------------------
This code has been altered significantly from its original form, to support
several games based on the Quake III Arena engine, in the form of "Q3Map2."
------------------------------------------------------------------------------- */
/* marker */
#define LEAKFILE_C
/* dependencies */
#include "q3map2.h"
/*
==============================================================================
LEAK 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
TTimo: builds a polyline xml node
=============
*/
xmlNodePtr LeakFile (tree_t *tree)
{
vec3_t mid;
FILE *linefile;
char filename[1024];
node_t *node;
int count;
xmlNodePtr xml_node, point;
if (!tree->outside_node.occupied)
return NULL;
Sys_FPrintf (SYS_VRB,"--- LeakFile ---\n");
//
// write the points to the file
//
sprintf (filename, "%s.lin", source);
linefile = fopen (filename, "w");
if (!linefile)
Error ("Couldn't open %s\n", filename);
xml_node = xmlNewNode (NULL, "polyline");
count = 0;
node = &tree->outside_node;
while (node->occupied > 1)
{
int next;
portal_t *p, *nextportal;
node_t *nextnode;
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;
WindingCenter (nextportal->winding, mid);
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
point = xml_NodeForVec(mid);
xmlAddChild(xml_node, point);
count++;
}
// add the occupant center
GetVectorForKey (node->occupant, "origin", mid);
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
point = xml_NodeForVec(mid);
xmlAddChild(xml_node, point);
Sys_FPrintf( SYS_VRB, "%9d point linefile\n", count+1);
fclose (linefile);
return xml_node;
}