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101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, 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 Foobar; 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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*/
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#include "qbsp.h"
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/*
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==============================================================================
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LEAF FILE GENERATION
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Save out name.line 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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=============
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*/
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void LeakFile (tree_t *tree)
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{
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vec3_t mid;
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FILE *linefile;
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char filename[1024];
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node_t *node;
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int count;
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if (!tree->outside_node.occupied)
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return;
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qprintf ("--- LeakFile ---\n");
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//
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// write the points to the file
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//
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sprintf (filename, "%s.lin", source);
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qprintf ("%s\n", filename);
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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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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;
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node_t *nextnode;
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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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{
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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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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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qprintf ("%5i point linefile\n", count+1);
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fclose (linefile);
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}
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