mirror of
https://github.com/blendogames/quadrilateralcowboy.git
synced 2024-12-04 01:42:17 +00:00
158 lines
3.5 KiB
C++
158 lines
3.5 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
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Doom 3 Source Code 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 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code 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 Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "../../../idlib/precompiled.h"
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#pragma hdrstop
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#include "dmap.h"
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int c_glfaces;
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int PortalVisibleSides( uPortal_t *p )
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{
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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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fcon = p->nodes[0]->opaque;
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bcon = p->nodes[1]->opaque;
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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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if (!fcon)
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return 1;
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if (!bcon)
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return 2;
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return 0;
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}
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void OutputWinding( idWinding *w, idFile *glview )
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{
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static int level = 128;
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float light;
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int i;
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glview->WriteFloatString( "%i\n", w->GetNumPoints() );
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level += 28;
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light = (level&255)/255.0;
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for ( i = 0; i < w->GetNumPoints(); i++ ) {
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glview->WriteFloatString( "%6.3f %6.3f %6.3f %6.3f %6.3f %6.3f\n",
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(*w)[i][0],
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(*w)[i][1],
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(*w)[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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glview->WriteFloatString( "\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( uPortal_t *p, idFile *glview ) {
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idWinding *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 = w->Reverse();
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}
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OutputWinding( w, glview );
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if ( sides == 2 ) {
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delete 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, idFile *glview )
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{
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uPortal_t *p, *nextp;
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if ( node->planenum != PLANENUM_LEAF )
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{
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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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{
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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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{
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idFile *glview;
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c_glfaces = 0;
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common->Printf( "Writing %s\n", source );
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glview = fileSystem->OpenExplicitFileWrite( source );
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if ( !glview ) {
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common->Error( "Couldn't open %s", source );
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}
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WriteGLView_r( tree->headnode, glview );
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fileSystem->CloseFile( glview );
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common->Printf( "%5i c_glfaces\n", c_glfaces );
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}
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