125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
/* -------------------------------------------------------------------------------
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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----------------------------------------------------------------------------------
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This code has been altered significantly from its original form, to support
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several games based on the Quake III Arena engine, in the form of "Q3Map2."
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------------------------------------------------------------------------------- */
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/* marker */
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#define LEAKFILE_C
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/* dependencies */
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#include "vmap.h"
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/*
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==============================================================================
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LEAK FILE GENERATION
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Save out name.lin for qe3 to read
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==============================================================================
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*/
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/*
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=============
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LeakFile
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Finds the shortest possible chain of portals
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that leads from the outside leaf to a specifically
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occupied leaf
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TTimo: builds a polyline xml node
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=============
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*/
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xmlNodePtr LeakFile( tree_t *tree, const char *filename ){
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vec3_t mid;
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FILE *linefile;
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node_t *node;
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int count;
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xmlNodePtr xml_node, point;
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if ( !tree->outside_node.occupied ) {
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return NULL;
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}
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Sys_FPrintf( SYS_VRB,"--- LeakFile ---\n" );
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//
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// write the points to the file
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//
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linefile = fopen( filename, "w" );
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if ( !linefile ) {
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Error( "Couldn't open %s\n", filename );
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}
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xml_node = xmlNewNode( NULL, (xmlChar*)"polyline" );
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count = 0;
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node = &tree->outside_node;
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while ( node->occupied > 1 )
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{
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int next;
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portal_t *p, *nextportal = NULL;
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node_t *nextnode = NULL;
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int s;
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// find the best portal exit
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next = node->occupied;
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for ( p = node->portals; p; p = p->next[!s] )
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{
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s = ( p->nodes[0] == node );
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if ( p->nodes[s]->occupied
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&& p->nodes[s]->occupied < next ) {
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nextportal = p;
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nextnode = p->nodes[s];
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next = nextnode->occupied;
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}
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}
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node = nextnode;
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WindingCenter( nextportal->winding, mid );
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fprintf( linefile, "%f %f %f\n", mid[0], mid[1], mid[2] );
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point = xml_NodeForVec( mid );
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xmlAddChild( xml_node, point );
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count++;
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}
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// add the occupant center
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GetVectorForKey( node->occupant, "origin", mid );
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fprintf( linefile, "%f %f %f\n", mid[0], mid[1], mid[2] );
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point = xml_NodeForVec( mid );
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xmlAddChild( xml_node, point );
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Sys_FPrintf( SYS_VRB, "%9d point linefile\n", count + 1 );
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fclose( linefile );
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return xml_node;
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}
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