mirror of
https://github.com/TTimo/GtkRadiant.git
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149 lines
2.9 KiB
C
149 lines
2.9 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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#include "qbsp.h"
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int c_glfaces;
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int PortalVisibleSides( portal_t *p ){
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int fcon, bcon;
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if ( !p->onnode ) {
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return 0; // outside
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}
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fcon = p->nodes[0]->contents;
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bcon = p->nodes[1]->contents;
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// same contents never create a face
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if ( fcon == bcon ) {
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return 0;
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}
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// FIXME: is this correct now?
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if ( !fcon ) {
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return 1;
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}
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if ( !bcon ) {
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return 2;
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}
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return 0;
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}
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void OutputWinding( winding_t *w, FILE *glview ){
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static int level = 128;
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vec_t light;
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int i;
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fprintf( glview, "%i\n", w->numpoints );
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level += 28;
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light = ( level & 255 ) / 255.0;
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for ( i = 0 ; i < w->numpoints ; i++ )
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{
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fprintf( glview, "%6.3f %6.3f %6.3f %6.3f %6.3f %6.3f\n",
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w->p[i][0],
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w->p[i][1],
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w->p[i][2],
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light,
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light,
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light );
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}
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fprintf( glview, "\n" );
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}
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/*
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=============
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OutputPortal
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=============
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*/
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void OutputPortal( portal_t *p, FILE *glview ){
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winding_t *w;
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int sides;
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sides = PortalVisibleSides( p );
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if ( !sides ) {
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return;
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}
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c_glfaces++;
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w = p->winding;
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if ( sides == 2 ) { // back side
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w = ReverseWinding( w );
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}
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OutputWinding( w, glview );
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if ( sides == 2 ) {
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FreeWinding( w );
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}
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}
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/*
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=============
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WriteGLView_r
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=============
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*/
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void WriteGLView_r( node_t *node, FILE *glview ){
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portal_t *p, *nextp;
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if ( node->planenum != PLANENUM_LEAF ) {
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WriteGLView_r( node->children[0], glview );
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WriteGLView_r( node->children[1], glview );
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return;
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}
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// write all the portals
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for ( p = node->portals ; p ; p = nextp )
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{
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if ( p->nodes[0] == node ) {
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OutputPortal( p, glview );
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nextp = p->next[0];
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}
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else{
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nextp = p->next[1];
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}
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}
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}
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/*
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=============
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WriteGLView
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=============
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*/
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void WriteGLView( tree_t *tree, char *source ){
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char name[1024];
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FILE *glview;
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c_glfaces = 0;
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sprintf( name, "%s%s.gl",outbase, source );
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Sys_Printf( "Writing %s\n", name );
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glview = fopen( name, "w" );
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if ( !glview ) {
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Error( "Couldn't open %s", name );
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}
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WriteGLView_r( tree->headnode, glview );
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fclose( glview );
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Sys_Printf( "%5i c_glfaces\n", c_glfaces );
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}
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