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https://github.com/UberGames/lilium-voyager.git
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89 lines
2.8 KiB
C
89 lines
2.8 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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#include "../botlib/aasfile.h"
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#include "aas_create.h"
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int c_numprunes;
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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tmp_node_t *AAS_PruneNodes_r(tmp_node_t *tmpnode)
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{
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tmp_area_t *tmparea1, *tmparea2;
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//if it is a solid leaf
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if (!tmpnode) return NULL;
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//
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if (tmpnode->tmparea) return tmpnode;
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//process the children first
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tmpnode->children[0] = AAS_PruneNodes_r(tmpnode->children[0]);
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tmpnode->children[1] = AAS_PruneNodes_r(tmpnode->children[1]);
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//if both children are areas
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if (tmpnode->children[0] && tmpnode->children[1] &&
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tmpnode->children[0]->tmparea && tmpnode->children[1]->tmparea)
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{
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tmparea1 = tmpnode->children[0]->tmparea;
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while(tmparea1->mergedarea) tmparea1 = tmparea1->mergedarea;
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tmparea2 = tmpnode->children[1]->tmparea;
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while(tmparea2->mergedarea) tmparea2 = tmparea2->mergedarea;
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if (tmparea1 == tmparea2)
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{
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c_numprunes++;
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tmpnode->tmparea = tmparea1;
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tmpnode->planenum = 0;
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AAS_FreeTmpNode(tmpnode->children[0]);
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AAS_FreeTmpNode(tmpnode->children[1]);
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tmpnode->children[0] = NULL;
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tmpnode->children[1] = NULL;
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return tmpnode;
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} //end if
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} //end if
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//if both solid leafs
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if (!tmpnode->children[0] && !tmpnode->children[1])
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{
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c_numprunes++;
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AAS_FreeTmpNode(tmpnode);
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return NULL;
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} //end if
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//
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return tmpnode;
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} //end of the function AAS_PruneNodes_r
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_PruneNodes(void)
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{
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Log_Write("AAS_PruneNodes\r\n");
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AAS_PruneNodes_r(tmpaasworld.nodes);
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Log_Print("%6d nodes pruned\r\n", c_numprunes);
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} //end of the function AAS_PruneNodes
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