64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// leakfile.c - leaf file generation
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//=======================================================================
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#include "bsplib.h"
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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_t *linefile;
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char path[MAX_SYSPATH];
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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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// write the points to the file
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com.sprintf( path, "maps/%s.lin", gs_filename );
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linefile = FS_Open( path, "w" );
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if( !linefile ) Sys_Error( "Couldn't open %s\n", path );
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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 && 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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FS_Printf( 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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FS_Printf( linefile, "%f %f %f\n", mid[0], mid[1], mid[2] );
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FS_Close( linefile );
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} |