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84 lines
2.6 KiB
C++
84 lines
2.6 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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/*
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crazy gcc 3.3.5 optimization bug
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happens even at -O1
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if you remove the 'return NULL;' after Error(), it only happens at -O3 / release
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see dmap.gcc.zip test map and .proc outputs
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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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extern idBounds optBounds;
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#define MAX_OPT_VERTEXES 0x10000
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extern int numOptVerts;
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extern optVertex_t optVerts[MAX_OPT_VERTEXES];
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/*
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================
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FindOptVertex
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================
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*/
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optVertex_t *FindOptVertex( idDrawVert *v, optimizeGroup_t *opt ) {
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int i;
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float x, y;
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optVertex_t *vert;
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// deal with everything strictly as 2D
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x = v->xyz * opt->axis[0];
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y = v->xyz * opt->axis[1];
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// should we match based on the t-junction fixing hash verts?
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for ( i = 0 ; i < numOptVerts ; i++ ) {
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if ( optVerts[i].pv[0] == x && optVerts[i].pv[1] == y ) {
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return &optVerts[i];
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}
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}
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if ( numOptVerts >= MAX_OPT_VERTEXES ) {
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common->Error( "MAX_OPT_VERTEXES" );
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return NULL;
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}
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numOptVerts++;
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vert = &optVerts[i];
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memset( vert, 0, sizeof( *vert ) );
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vert->v = *v;
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vert->pv[0] = x;
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vert->pv[1] = y;
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vert->pv[2] = 0;
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optBounds.AddPoint( vert->pv );
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return vert;
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}
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