1547 lines
50 KiB
C
1547 lines
50 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 Quake III Arena source code; 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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/*****************************************************************************
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* name: be_aas_cluster.c
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*
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* desc: area clustering
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*
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* $Archive: /MissionPack/code/botlib/be_aas_cluster.c $
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*
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*****************************************************************************/
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#include "q_shared.h"
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#include "l_memory.h"
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#include "l_script.h"
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#include "l_precomp.h"
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#include "l_struct.h"
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#include "l_log.h"
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#include "l_memory.h"
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#include "l_libvar.h"
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#include "aasfile.h"
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#include "botlib.h"
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#include "be_aas.h"
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#include "be_aas_funcs.h"
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#include "be_aas_def.h"
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#include "be_aas_cluster.h"
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extern botlib_import_t botimport;
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#define AAS_MAX_PORTALS 65536
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#define AAS_MAX_PORTALINDEXSIZE 65536
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#define AAS_MAX_CLUSTERS 65536
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//
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#define MAX_PORTALAREAS 1024
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// do not flood through area faces, only use reachabilities
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int nofaceflood = qtrue;
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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_RemoveClusterAreas(void)
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{
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int i;
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for (i = 1; i < aasworld.numareas; i++)
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{
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aasworld.areasettings[i].cluster = 0;
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} //end for
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} //end of the function AAS_RemoveClusterAreas
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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_ClearCluster(int clusternum)
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{
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int i;
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for (i = 1; i < aasworld.numareas; i++)
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{
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if (aasworld.areasettings[i].cluster == clusternum)
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{
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aasworld.areasettings[i].cluster = 0;
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} //end if
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} //end for
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} //end of the function AAS_ClearCluster
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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_RemovePortalsClusterReference(int clusternum)
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{
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int portalnum;
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for (portalnum = 1; portalnum < aasworld.numportals; portalnum++)
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{
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if (aasworld.portals[portalnum].frontcluster == clusternum)
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{
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aasworld.portals[portalnum].frontcluster = 0;
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} //end if
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if (aasworld.portals[portalnum].backcluster == clusternum)
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{
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aasworld.portals[portalnum].backcluster = 0;
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} //end if
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} //end for
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} //end of the function AAS_RemovePortalsClusterReference
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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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int AAS_UpdatePortal(int areanum, int clusternum)
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{
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int portalnum;
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aas_portal_t *portal;
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aas_cluster_t *cluster;
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//find the portal of the area
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for (portalnum = 1; portalnum < aasworld.numportals; portalnum++)
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{
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if (aasworld.portals[portalnum].areanum == areanum) break;
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} //end for
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//
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if (portalnum == aasworld.numportals)
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{
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AAS_Error("no portal of area %d", areanum);
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return qtrue;
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} //end if
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//
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portal = &aasworld.portals[portalnum];
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//if the portal is already fully updated
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if (portal->frontcluster == clusternum) return qtrue;
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if (portal->backcluster == clusternum) return qtrue;
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//if the portal has no front cluster yet
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if (!portal->frontcluster)
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{
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portal->frontcluster = clusternum;
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} //end if
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//if the portal has no back cluster yet
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else if (!portal->backcluster)
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{
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portal->backcluster = clusternum;
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} //end else if
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else
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{
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//remove the cluster portal flag contents
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aasworld.areasettings[areanum].contents &= ~AREACONTENTS_CLUSTERPORTAL;
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Log_Write("portal area %d is seperating more than two clusters\r\n", areanum);
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return qfalse;
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} //end else
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if (aasworld.portalindexsize >= AAS_MAX_PORTALINDEXSIZE)
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{
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AAS_Error("AAS_MAX_PORTALINDEXSIZE");
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return qtrue;
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} //end if
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//set the area cluster number to the negative portal number
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aasworld.areasettings[areanum].cluster = -portalnum;
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//add the portal to the cluster using the portal index
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cluster = &aasworld.clusters[clusternum];
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aasworld.portalindex[cluster->firstportal + cluster->numportals] = portalnum;
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aasworld.portalindexsize++;
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cluster->numportals++;
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return qtrue;
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} //end of the function AAS_UpdatePortal
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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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int AAS_FloodClusterAreas_r(int areanum, int clusternum)
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{
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aas_area_t *area;
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aas_face_t *face;
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int facenum, i;
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//
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if (areanum <= 0 || areanum >= aasworld.numareas)
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{
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AAS_Error("AAS_FloodClusterAreas_r: areanum out of range");
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return qfalse;
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} //end if
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//if the area is already part of a cluster
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if (aasworld.areasettings[areanum].cluster > 0)
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{
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if (aasworld.areasettings[areanum].cluster == clusternum) return qtrue;
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//
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//there's a reachability going from one cluster to another only in one direction
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//
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AAS_Error("cluster %d touched cluster %d at area %d\r\n",
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clusternum, aasworld.areasettings[areanum].cluster, areanum);
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return qfalse;
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} //end if
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//don't add the cluster portal areas to the clusters
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if (aasworld.areasettings[areanum].contents & AREACONTENTS_CLUSTERPORTAL)
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{
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return AAS_UpdatePortal(areanum, clusternum);
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} //end if
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//set the area cluster number
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aasworld.areasettings[areanum].cluster = clusternum;
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aasworld.areasettings[areanum].clusterareanum =
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aasworld.clusters[clusternum].numareas;
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//the cluster has an extra area
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aasworld.clusters[clusternum].numareas++;
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area = &aasworld.areas[areanum];
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//use area faces to flood into adjacent areas
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if (!nofaceflood)
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{
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for (i = 0; i < area->numfaces; i++)
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{
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facenum = abs(aasworld.faceindex[area->firstface + i]);
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face = &aasworld.faces[facenum];
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if (face->frontarea == areanum)
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{
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if (face->backarea) if (!AAS_FloodClusterAreas_r(face->backarea, clusternum)) return qfalse;
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} //end if
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else
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{
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if (face->frontarea) if (!AAS_FloodClusterAreas_r(face->frontarea, clusternum)) return qfalse;
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} //end else
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} //end for
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} //end if
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//use the reachabilities to flood into other areas
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for (i = 0; i < aasworld.areasettings[areanum].numreachableareas; i++)
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{
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if (!aasworld.reachability[
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aasworld.areasettings[areanum].firstreachablearea + i].areanum)
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{
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continue;
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} //end if
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if (!AAS_FloodClusterAreas_r(aasworld.reachability[
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aasworld.areasettings[areanum].firstreachablearea + i].areanum, clusternum)) return qfalse;
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} //end for
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return qtrue;
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} //end of the function AAS_FloodClusterAreas_r
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//===========================================================================
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// try to flood from all areas without cluster into areas with a cluster set
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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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int AAS_FloodClusterAreasUsingReachabilities(int clusternum)
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{
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int i, j, areanum;
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for (i = 1; i < aasworld.numareas; i++)
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{
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//if this area already has a cluster set
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if (aasworld.areasettings[i].cluster)
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continue;
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//if this area is a cluster portal
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if (aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL)
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continue;
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//loop over the reachable areas from this area
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for (j = 0; j < aasworld.areasettings[i].numreachableareas; j++)
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{
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//the reachable area
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areanum = aasworld.reachability[aasworld.areasettings[i].firstreachablearea + j].areanum;
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//if this area is a cluster portal
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if (aasworld.areasettings[areanum].contents & AREACONTENTS_CLUSTERPORTAL)
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continue;
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//if this area has a cluster set
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if (aasworld.areasettings[areanum].cluster)
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{
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if (!AAS_FloodClusterAreas_r(i, clusternum))
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return qfalse;
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i = 0;
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break;
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} //end if
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} //end for
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} //end for
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return qtrue;
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} //end of the function AAS_FloodClusterAreasUsingReachabilities
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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_NumberClusterPortals(int clusternum)
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{
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int i, portalnum;
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aas_cluster_t *cluster;
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aas_portal_t *portal;
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cluster = &aasworld.clusters[clusternum];
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for (i = 0; i < cluster->numportals; i++)
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{
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portalnum = aasworld.portalindex[cluster->firstportal + i];
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portal = &aasworld.portals[portalnum];
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if (portal->frontcluster == clusternum)
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{
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portal->clusterareanum[0] = cluster->numareas++;
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} //end if
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else
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{
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portal->clusterareanum[1] = cluster->numareas++;
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} //end else
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} //end for
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} //end of the function AAS_NumberClusterPortals
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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_NumberClusterAreas(int clusternum)
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{
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int i, portalnum;
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aas_cluster_t *cluster;
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aas_portal_t *portal;
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aasworld.clusters[clusternum].numareas = 0;
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aasworld.clusters[clusternum].numreachabilityareas = 0;
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//number all areas in this cluster WITH reachabilities
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for (i = 1; i < aasworld.numareas; i++)
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{
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//
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if (aasworld.areasettings[i].cluster != clusternum) continue;
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//
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if (!AAS_AreaReachability(i)) continue;
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//
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aasworld.areasettings[i].clusterareanum = aasworld.clusters[clusternum].numareas;
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//the cluster has an extra area
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aasworld.clusters[clusternum].numareas++;
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aasworld.clusters[clusternum].numreachabilityareas++;
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} //end for
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//number all portals in this cluster WITH reachabilities
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cluster = &aasworld.clusters[clusternum];
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for (i = 0; i < cluster->numportals; i++)
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{
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portalnum = aasworld.portalindex[cluster->firstportal + i];
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portal = &aasworld.portals[portalnum];
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if (!AAS_AreaReachability(portal->areanum)) continue;
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if (portal->frontcluster == clusternum)
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{
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portal->clusterareanum[0] = cluster->numareas++;
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aasworld.clusters[clusternum].numreachabilityareas++;
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} //end if
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else
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{
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portal->clusterareanum[1] = cluster->numareas++;
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aasworld.clusters[clusternum].numreachabilityareas++;
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} //end else
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} //end for
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//number all areas in this cluster WITHOUT reachabilities
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for (i = 1; i < aasworld.numareas; i++)
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{
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//
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if (aasworld.areasettings[i].cluster != clusternum) continue;
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//
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if (AAS_AreaReachability(i)) continue;
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//
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aasworld.areasettings[i].clusterareanum = aasworld.clusters[clusternum].numareas;
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//the cluster has an extra area
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aasworld.clusters[clusternum].numareas++;
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} //end for
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//number all portals in this cluster WITHOUT reachabilities
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cluster = &aasworld.clusters[clusternum];
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for (i = 0; i < cluster->numportals; i++)
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{
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portalnum = aasworld.portalindex[cluster->firstportal + i];
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portal = &aasworld.portals[portalnum];
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if (AAS_AreaReachability(portal->areanum)) continue;
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if (portal->frontcluster == clusternum)
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{
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portal->clusterareanum[0] = cluster->numareas++;
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} //end if
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else
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{
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portal->clusterareanum[1] = cluster->numareas++;
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} //end else
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} //end for
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} //end of the function AAS_NumberClusterAreas
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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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int AAS_FindClusters(void)
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{
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int i;
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aas_cluster_t *cluster;
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AAS_RemoveClusterAreas();
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//
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for (i = 1; i < aasworld.numareas; i++)
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{
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//if the area is already part of a cluster
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if (aasworld.areasettings[i].cluster)
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continue;
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// if not flooding through faces only use areas that have reachabilities
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if (nofaceflood)
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{
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if (!aasworld.areasettings[i].numreachableareas)
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continue;
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} //end if
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//if the area is a cluster portal
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if (aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL)
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continue;
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if (aasworld.numclusters >= AAS_MAX_CLUSTERS)
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{
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AAS_Error("AAS_MAX_CLUSTERS");
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return qfalse;
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} //end if
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cluster = &aasworld.clusters[aasworld.numclusters];
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cluster->numareas = 0;
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cluster->numreachabilityareas = 0;
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cluster->firstportal = aasworld.portalindexsize;
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cluster->numportals = 0;
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//flood the areas in this cluster
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if (!AAS_FloodClusterAreas_r(i, aasworld.numclusters))
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return qfalse;
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if (!AAS_FloodClusterAreasUsingReachabilities(aasworld.numclusters))
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return qfalse;
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//number the cluster areas
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//AAS_NumberClusterPortals(aasworld.numclusters);
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AAS_NumberClusterAreas(aasworld.numclusters);
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//Log_Write("cluster %d has %d areas\r\n", aasworld.numclusters, cluster->numareas);
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aasworld.numclusters++;
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} //end for
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return qtrue;
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} //end of the function AAS_FindClusters
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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_CreatePortals(void)
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{
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int i;
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aas_portal_t *portal;
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for (i = 1; i < aasworld.numareas; i++)
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{
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//if the area is a cluster portal
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if (aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL)
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{
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if (aasworld.numportals >= AAS_MAX_PORTALS)
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{
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AAS_Error("AAS_MAX_PORTALS");
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return;
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} //end if
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portal = &aasworld.portals[aasworld.numportals];
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portal->areanum = i;
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portal->frontcluster = 0;
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portal->backcluster = 0;
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aasworld.numportals++;
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} //end if
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} //end for
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} //end of the function AAS_CreatePortals
|
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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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int AAS_MapContainsTeleporters(void)
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{
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bsp_entity_t *entities, *ent;
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char *classname;
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entities = AAS_ParseBSPEntities();
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for (ent = entities; ent; ent = ent->next)
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{
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classname = AAS_ValueForBSPEpairKey(ent, "classname");
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if (classname && !strcmp(classname, "misc_teleporter"))
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{
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AAS_FreeBSPEntities(entities);
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return qtrue;
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} //end if
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} //end for
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return qfalse;
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} //end of the function AAS_MapContainsTeleporters
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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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int AAS_NonConvexFaces(aas_face_t *face1, aas_face_t *face2, int side1, int side2)
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{
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int i, j, edgenum;
|
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aas_plane_t *plane1, *plane2;
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aas_edge_t *edge;
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plane1 = &aasworld.planes[face1->planenum ^ side1];
|
|
plane2 = &aasworld.planes[face2->planenum ^ side2];
|
|
|
|
//check if one of the points of face1 is at the back of the plane of face2
|
|
for (i = 0; i < face1->numedges; i++)
|
|
{
|
|
edgenum = abs(aasworld.edgeindex[face1->firstedge + i]);
|
|
edge = &aasworld.edges[edgenum];
|
|
for (j = 0; j < 2; j++)
|
|
{
|
|
if (DotProduct(plane2->normal, aasworld.vertexes[edge->v[j]]) -
|
|
plane2->dist < -0.01) return qtrue;
|
|
} //end for
|
|
} //end for
|
|
for (i = 0; i < face2->numedges; i++)
|
|
{
|
|
edgenum = abs(aasworld.edgeindex[face2->firstedge + i]);
|
|
edge = &aasworld.edges[edgenum];
|
|
for (j = 0; j < 2; j++)
|
|
{
|
|
if (DotProduct(plane1->normal, aasworld.vertexes[edge->v[j]]) -
|
|
plane1->dist < -0.01) return qtrue;
|
|
} //end for
|
|
} //end for
|
|
|
|
return qfalse;
|
|
} //end of the function AAS_NonConvexFaces
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
qboolean AAS_CanMergeAreas(int *areanums, int numareas)
|
|
{
|
|
int i, j, s, face1num, face2num, side1, side2, fn1, fn2;
|
|
aas_face_t *face1, *face2;
|
|
aas_area_t *area1, *area2;
|
|
|
|
for (i = 0; i < numareas; i++)
|
|
{
|
|
area1 = &aasworld.areas[areanums[i]];
|
|
for (fn1 = 0; fn1 < area1->numfaces; fn1++)
|
|
{
|
|
face1num = abs(aasworld.faceindex[area1->firstface + fn1]);
|
|
face1 = &aasworld.faces[face1num];
|
|
side1 = face1->frontarea != areanums[i];
|
|
//check if the face isn't a shared one with one of the other areas
|
|
for (s = 0; s < numareas; s++)
|
|
{
|
|
if (s == i) continue;
|
|
if (face1->frontarea == s || face1->backarea == s) break;
|
|
} //end for
|
|
//if the face was a shared one
|
|
if (s != numareas) continue;
|
|
//
|
|
for (j = 0; j < numareas; j++)
|
|
{
|
|
if (j == i) continue;
|
|
area2 = &aasworld.areas[areanums[j]];
|
|
for (fn2 = 0; fn2 < area2->numfaces; fn2++)
|
|
{
|
|
face2num = abs(aasworld.faceindex[area2->firstface + fn2]);
|
|
face2 = &aasworld.faces[face2num];
|
|
side2 = face2->frontarea != areanums[j];
|
|
//check if the face isn't a shared one with one of the other areas
|
|
for (s = 0; s < numareas; s++)
|
|
{
|
|
if (s == j) continue;
|
|
if (face2->frontarea == s || face2->backarea == s) break;
|
|
} //end for
|
|
//if the face was a shared one
|
|
if (s != numareas) continue;
|
|
//
|
|
if (AAS_NonConvexFaces(face1, face2, side1, side2)) return qfalse;
|
|
} //end for
|
|
} //end for
|
|
} //end for
|
|
} //end for
|
|
return qtrue;
|
|
} //end of the function AAS_CanMergeAreas
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
qboolean AAS_NonConvexEdges(aas_edge_t *edge1, aas_edge_t *edge2, int side1, int side2, int planenum)
|
|
{
|
|
int i;
|
|
vec3_t edgevec1, edgevec2, normal1, normal2;
|
|
float dist1, dist2;
|
|
aas_plane_t *plane;
|
|
|
|
plane = &aasworld.planes[planenum];
|
|
VectorSubtract(aasworld.vertexes[edge1->v[1]], aasworld.vertexes[edge1->v[0]], edgevec1);
|
|
VectorSubtract(aasworld.vertexes[edge2->v[1]], aasworld.vertexes[edge2->v[0]], edgevec2);
|
|
if (side1) VectorInverse(edgevec1);
|
|
if (side2) VectorInverse(edgevec2);
|
|
//
|
|
CrossProduct(edgevec1, plane->normal, normal1);
|
|
dist1 = DotProduct(normal1, aasworld.vertexes[edge1->v[0]]);
|
|
CrossProduct(edgevec2, plane->normal, normal2);
|
|
dist2 = DotProduct(normal2, aasworld.vertexes[edge2->v[0]]);
|
|
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if (DotProduct(aasworld.vertexes[edge1->v[i]], normal2) - dist2 < -0.01) return qfalse;
|
|
} //end for
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if (DotProduct(aasworld.vertexes[edge2->v[i]], normal1) - dist1 < -0.01) return qfalse;
|
|
} //end for
|
|
return qtrue;
|
|
} //end of the function AAS_NonConvexEdges
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
qboolean AAS_CanMergeFaces(int *facenums, int numfaces, int planenum)
|
|
{
|
|
int i, j, s, edgenum1, edgenum2, side1, side2, en1, en2, ens;
|
|
aas_face_t *face1, *face2, *otherface;
|
|
aas_edge_t *edge1, *edge2;
|
|
|
|
for (i = 0; i < numfaces; i++)
|
|
{
|
|
face1 = &aasworld.faces[facenums[i]];
|
|
for (en1 = 0; en1 < face1->numedges; en1++)
|
|
{
|
|
edgenum1 = aasworld.edgeindex[face1->firstedge + en1];
|
|
side1 = (edgenum1 < 0) ^ (face1->planenum != planenum);
|
|
edgenum1 = abs(edgenum1);
|
|
edge1 = &aasworld.edges[edgenum1];
|
|
//check if the edge is shared with another face
|
|
for (s = 0; s < numfaces; s++)
|
|
{
|
|
if (s == i) continue;
|
|
otherface = &aasworld.faces[facenums[s]];
|
|
for (ens = 0; ens < otherface->numedges; ens++)
|
|
{
|
|
if (edgenum1 == abs(aasworld.edgeindex[otherface->firstedge + ens])) break;
|
|
} //end for
|
|
if (ens != otherface->numedges) break;
|
|
} //end for
|
|
//if the edge was shared
|
|
if (s != numfaces) continue;
|
|
//
|
|
for (j = 0; j < numfaces; j++)
|
|
{
|
|
if (j == i) continue;
|
|
face2 = &aasworld.faces[facenums[j]];
|
|
for (en2 = 0; en2 < face2->numedges; en2++)
|
|
{
|
|
edgenum2 = aasworld.edgeindex[face2->firstedge + en2];
|
|
side2 = (edgenum2 < 0) ^ (face2->planenum != planenum);
|
|
edgenum2 = abs(edgenum2);
|
|
edge2 = &aasworld.edges[edgenum2];
|
|
//check if the edge is shared with another face
|
|
for (s = 0; s < numfaces; s++)
|
|
{
|
|
if (s == i) continue;
|
|
otherface = &aasworld.faces[facenums[s]];
|
|
for (ens = 0; ens < otherface->numedges; ens++)
|
|
{
|
|
if (edgenum2 == abs(aasworld.edgeindex[otherface->firstedge + ens])) break;
|
|
} //end for
|
|
if (ens != otherface->numedges) break;
|
|
} //end for
|
|
//if the edge was shared
|
|
if (s != numfaces) continue;
|
|
//
|
|
if (AAS_NonConvexEdges(edge1, edge2, side1, side2, planenum)) return qfalse;
|
|
} //end for
|
|
} //end for
|
|
} //end for
|
|
} //end for
|
|
return qtrue;
|
|
} //end of the function AAS_CanMergeFaces*/
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_ConnectedAreas_r(int *areanums, int numareas, int *connectedareas, int curarea)
|
|
{
|
|
int i, j, otherareanum, facenum;
|
|
aas_area_t *area;
|
|
aas_face_t *face;
|
|
|
|
connectedareas[curarea] = qtrue;
|
|
area = &aasworld.areas[areanums[curarea]];
|
|
for (i = 0; i < area->numfaces; i++)
|
|
{
|
|
facenum = abs(aasworld.faceindex[area->firstface + i]);
|
|
face = &aasworld.faces[facenum];
|
|
//if the face is solid
|
|
if (face->faceflags & FACE_SOLID) continue;
|
|
//get the area at the other side of the face
|
|
if (face->frontarea != areanums[curarea]) otherareanum = face->frontarea;
|
|
else otherareanum = face->backarea;
|
|
//check if the face is leading to one of the other areas
|
|
for (j = 0; j < numareas; j++)
|
|
{
|
|
if (areanums[j] == otherareanum) break;
|
|
} //end for
|
|
//if the face isn't leading to one of the other areas
|
|
if (j == numareas) continue;
|
|
//if the other area is already connected
|
|
if (connectedareas[j]) continue;
|
|
//recursively proceed with the other area
|
|
AAS_ConnectedAreas_r(areanums, numareas, connectedareas, j);
|
|
} //end for
|
|
} //end of the function AAS_ConnectedAreas_r
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
qboolean AAS_ConnectedAreas(int *areanums, int numareas)
|
|
{
|
|
int connectedareas[MAX_PORTALAREAS], i;
|
|
|
|
Com_Memset(connectedareas, 0, sizeof(connectedareas));
|
|
if (numareas < 1) return qfalse;
|
|
if (numareas == 1) return qtrue;
|
|
AAS_ConnectedAreas_r(areanums, numareas, connectedareas, 0);
|
|
for (i = 0; i < numareas; i++)
|
|
{
|
|
if (!connectedareas[i]) return qfalse;
|
|
} //end for
|
|
return qtrue;
|
|
} //end of the function AAS_ConnectedAreas
|
|
//===========================================================================
|
|
// gets adjacent areas with less presence types recursively
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
int AAS_GetAdjacentAreasWithLessPresenceTypes_r(int *areanums, int numareas, int curareanum)
|
|
{
|
|
int i, j, presencetype, otherpresencetype, otherareanum, facenum;
|
|
aas_area_t *area;
|
|
aas_face_t *face;
|
|
|
|
areanums[numareas++] = curareanum;
|
|
area = &aasworld.areas[curareanum];
|
|
presencetype = aasworld.areasettings[curareanum].presencetype;
|
|
for (i = 0; i < area->numfaces; i++)
|
|
{
|
|
facenum = abs(aasworld.faceindex[area->firstface + i]);
|
|
face = &aasworld.faces[facenum];
|
|
//if the face is solid
|
|
if (face->faceflags & FACE_SOLID) continue;
|
|
//the area at the other side of the face
|
|
if (face->frontarea != curareanum) otherareanum = face->frontarea;
|
|
else otherareanum = face->backarea;
|
|
//
|
|
otherpresencetype = aasworld.areasettings[otherareanum].presencetype;
|
|
//if the other area has less presence types
|
|
if ((presencetype & ~otherpresencetype) &&
|
|
!(otherpresencetype & ~presencetype))
|
|
{
|
|
//check if the other area isn't already in the list
|
|
for (j = 0; j < numareas; j++)
|
|
{
|
|
if (otherareanum == areanums[j]) break;
|
|
} //end for
|
|
//if the other area isn't already in the list
|
|
if (j == numareas)
|
|
{
|
|
if (numareas >= MAX_PORTALAREAS)
|
|
{
|
|
AAS_Error("MAX_PORTALAREAS");
|
|
return numareas;
|
|
} //end if
|
|
numareas = AAS_GetAdjacentAreasWithLessPresenceTypes_r(areanums, numareas, otherareanum);
|
|
} //end if
|
|
} //end if
|
|
} //end for
|
|
return numareas;
|
|
} //end of the function AAS_GetAdjacentAreasWithLessPresenceTypes_r
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
int AAS_CheckAreaForPossiblePortals(int areanum)
|
|
{
|
|
int i, j, k, fen, ben, frontedgenum, backedgenum, facenum;
|
|
int areanums[MAX_PORTALAREAS], numareas, otherareanum;
|
|
int numareafrontfaces[MAX_PORTALAREAS], numareabackfaces[MAX_PORTALAREAS];
|
|
int frontfacenums[MAX_PORTALAREAS], backfacenums[MAX_PORTALAREAS];
|
|
int numfrontfaces, numbackfaces;
|
|
int frontareanums[MAX_PORTALAREAS], backareanums[MAX_PORTALAREAS];
|
|
int numfrontareas, numbackareas;
|
|
int frontplanenum, backplanenum, faceplanenum;
|
|
aas_area_t *area;
|
|
aas_face_t *frontface, *backface, *face;
|
|
|
|
//if it isn't already a portal
|
|
if (aasworld.areasettings[areanum].contents & AREACONTENTS_CLUSTERPORTAL) return 0;
|
|
//it must be a grounded area
|
|
if (!(aasworld.areasettings[areanum].areaflags & AREA_GROUNDED)) return 0;
|
|
//
|
|
Com_Memset(numareafrontfaces, 0, sizeof(numareafrontfaces));
|
|
Com_Memset(numareabackfaces, 0, sizeof(numareabackfaces));
|
|
numareas = numfrontfaces = numbackfaces = 0;
|
|
numfrontareas = numbackareas = 0;
|
|
frontplanenum = backplanenum = -1;
|
|
//add any adjacent areas with less presence types
|
|
numareas = AAS_GetAdjacentAreasWithLessPresenceTypes_r(areanums, 0, areanum);
|
|
//
|
|
for (i = 0; i < numareas; i++)
|
|
{
|
|
area = &aasworld.areas[areanums[i]];
|
|
for (j = 0; j < area->numfaces; j++)
|
|
{
|
|
facenum = abs(aasworld.faceindex[area->firstface + j]);
|
|
face = &aasworld.faces[facenum];
|
|
//if the face is solid
|
|
if (face->faceflags & FACE_SOLID) continue;
|
|
//check if the face is shared with one of the other areas
|
|
for (k = 0; k < numareas; k++)
|
|
{
|
|
if (k == i) continue;
|
|
if (face->frontarea == areanums[k] || face->backarea == areanums[k]) break;
|
|
} //end for
|
|
//if the face is shared
|
|
if (k != numareas) continue;
|
|
//the number of the area at the other side of the face
|
|
if (face->frontarea == areanums[i]) otherareanum = face->backarea;
|
|
else otherareanum = face->frontarea;
|
|
//if the other area already is a cluter portal
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL) return 0;
|
|
//number of the plane of the area
|
|
faceplanenum = face->planenum & ~1;
|
|
//
|
|
if (frontplanenum < 0 || faceplanenum == frontplanenum)
|
|
{
|
|
frontplanenum = faceplanenum;
|
|
frontfacenums[numfrontfaces++] = facenum;
|
|
for (k = 0; k < numfrontareas; k++)
|
|
{
|
|
if (frontareanums[k] == otherareanum) break;
|
|
} //end for
|
|
if (k == numfrontareas) frontareanums[numfrontareas++] = otherareanum;
|
|
numareafrontfaces[i]++;
|
|
} //end if
|
|
else if (backplanenum < 0 || faceplanenum == backplanenum)
|
|
{
|
|
backplanenum = faceplanenum;
|
|
backfacenums[numbackfaces++] = facenum;
|
|
for (k = 0; k < numbackareas; k++)
|
|
{
|
|
if (backareanums[k] == otherareanum) break;
|
|
} //end for
|
|
if (k == numbackareas) backareanums[numbackareas++] = otherareanum;
|
|
numareabackfaces[i]++;
|
|
} //end else
|
|
else
|
|
{
|
|
return 0;
|
|
} //end else
|
|
} //end for
|
|
} //end for
|
|
//every area should have at least one front face and one back face
|
|
for (i = 0; i < numareas; i++)
|
|
{
|
|
if (!numareafrontfaces[i] || !numareabackfaces[i]) return 0;
|
|
} //end for
|
|
//the front areas should all be connected
|
|
if (!AAS_ConnectedAreas(frontareanums, numfrontareas)) return 0;
|
|
//the back areas should all be connected
|
|
if (!AAS_ConnectedAreas(backareanums, numbackareas)) return 0;
|
|
//none of the front faces should have a shared edge with a back face
|
|
for (i = 0; i < numfrontfaces; i++)
|
|
{
|
|
frontface = &aasworld.faces[frontfacenums[i]];
|
|
for (fen = 0; fen < frontface->numedges; fen++)
|
|
{
|
|
frontedgenum = abs(aasworld.edgeindex[frontface->firstedge + fen]);
|
|
for (j = 0; j < numbackfaces; j++)
|
|
{
|
|
backface = &aasworld.faces[backfacenums[j]];
|
|
for (ben = 0; ben < backface->numedges; ben++)
|
|
{
|
|
backedgenum = abs(aasworld.edgeindex[backface->firstedge + ben]);
|
|
if (frontedgenum == backedgenum) break;
|
|
} //end for
|
|
if (ben != backface->numedges) break;
|
|
} //end for
|
|
if (j != numbackfaces) break;
|
|
} //end for
|
|
if (fen != frontface->numedges) break;
|
|
} //end for
|
|
if (i != numfrontfaces) return 0;
|
|
//set the cluster portal contents
|
|
for (i = 0; i < numareas; i++)
|
|
{
|
|
aasworld.areasettings[areanums[i]].contents |= AREACONTENTS_CLUSTERPORTAL;
|
|
//this area can be used as a route portal
|
|
aasworld.areasettings[areanums[i]].contents |= AREACONTENTS_ROUTEPORTAL;
|
|
Log_Write("possible portal: %d\r\n", areanums[i]);
|
|
} //end for
|
|
//
|
|
return numareas;
|
|
} //end of the function AAS_CheckAreaForPossiblePortals
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_FindPossiblePortals(void)
|
|
{
|
|
int i, numpossibleportals;
|
|
|
|
numpossibleportals = 0;
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
numpossibleportals += AAS_CheckAreaForPossiblePortals(i);
|
|
} //end for
|
|
botimport.Print(PRT_MESSAGE, "\r%6d possible portal areas\n", numpossibleportals);
|
|
} //end of the function AAS_FindPossiblePortals
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_RemoveAllPortals(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
aasworld.areasettings[i].contents &= ~AREACONTENTS_CLUSTERPORTAL;
|
|
} //end for
|
|
} //end of the function AAS_RemoveAllPortals
|
|
|
|
#if 0
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_FloodCluster_r(int areanum, int clusternum)
|
|
{
|
|
int i, otherareanum;
|
|
aas_face_t *face;
|
|
aas_area_t *area;
|
|
|
|
//set cluster mark
|
|
aasworld.areasettings[areanum].cluster = clusternum;
|
|
//if the area is a portal
|
|
//if (aasworld.areasettings[areanum].contents & AREACONTENTS_CLUSTERPORTAL) return;
|
|
//
|
|
area = &aasworld.areas[areanum];
|
|
//use area faces to flood into adjacent areas
|
|
for (i = 0; i < area->numfaces; i++)
|
|
{
|
|
face = &aasworld.faces[abs(aasworld.faceindex[area->firstface + i])];
|
|
//
|
|
if (face->frontarea != areanum) otherareanum = face->frontarea;
|
|
else otherareanum = face->backarea;
|
|
//if there's no area at the other side
|
|
if (!otherareanum) continue;
|
|
//if the area is a portal
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL) continue;
|
|
//if the area is already marked
|
|
if (aasworld.areasettings[otherareanum].cluster) continue;
|
|
//
|
|
AAS_FloodCluster_r(otherareanum, clusternum);
|
|
} //end for
|
|
//use the reachabilities to flood into other areas
|
|
for (i = 0; i < aasworld.areasettings[areanum].numreachableareas; i++)
|
|
{
|
|
otherareanum = aasworld.reachability[
|
|
aasworld.areasettings[areanum].firstreachablearea + i].areanum;
|
|
if (!otherareanum)
|
|
{
|
|
continue;
|
|
AAS_Error("reachability %d has zero area\n", aasworld.areasettings[areanum].firstreachablearea + i);
|
|
} //end if
|
|
//if the area is a portal
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL) continue;
|
|
//if the area is already marked
|
|
if (aasworld.areasettings[otherareanum].cluster) continue;
|
|
//
|
|
AAS_FloodCluster_r(otherareanum, clusternum);
|
|
} //end for
|
|
} //end of the function AAS_FloodCluster_r
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_RemoveTeleporterPortals(void)
|
|
{
|
|
int i, j, areanum;
|
|
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
for (j = 0; j < aasworld.areasettings[i].numreachableareas; j++)
|
|
{
|
|
areanum = aasworld.reachability[aasworld.areasettings[i].firstreachablearea + j].areanum;
|
|
if (aasworld.reachability[aasworld.areasettings[i].firstreachablearea + j].traveltype == TRAVEL_TELEPORT)
|
|
{
|
|
aasworld.areasettings[i].contents &= ~AREACONTENTS_CLUSTERPORTAL;
|
|
aasworld.areasettings[areanum].contents &= ~AREACONTENTS_CLUSTERPORTAL;
|
|
break;
|
|
} //end if
|
|
} //end for
|
|
} //end for
|
|
} //end of the function AAS_RemoveTeleporterPortals
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_FloodClusterReachabilities(int clusternum)
|
|
{
|
|
int i, j, areanum;
|
|
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
//if this area already has a cluster set
|
|
if (aasworld.areasettings[i].cluster) continue;
|
|
//if this area is a cluster portal
|
|
if (aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL) continue;
|
|
//loop over the reachable areas from this area
|
|
for (j = 0; j < aasworld.areasettings[i].numreachableareas; j++)
|
|
{
|
|
//the reachable area
|
|
areanum = aasworld.reachability[aasworld.areasettings[i].firstreachablearea + j].areanum;
|
|
//if this area is a cluster portal
|
|
if (aasworld.areasettings[areanum].contents & AREACONTENTS_CLUSTERPORTAL) continue;
|
|
//if this area has a cluster set
|
|
if (aasworld.areasettings[areanum].cluster == clusternum)
|
|
{
|
|
AAS_FloodCluster_r(i, clusternum);
|
|
i = 0;
|
|
break;
|
|
} //end if
|
|
} //end for
|
|
} //end for
|
|
} //end of the function AAS_FloodClusterReachabilities
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_RemoveNotClusterClosingPortals(void)
|
|
{
|
|
int i, j, k, facenum, otherareanum, nonclosingportals;
|
|
aas_area_t *area;
|
|
aas_face_t *face;
|
|
|
|
AAS_RemoveTeleporterPortals();
|
|
//
|
|
nonclosingportals = 0;
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
if (!(aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL)) continue;
|
|
//find a non-portal area adjacent to the portal area and flood
|
|
//the cluster from there
|
|
area = &aasworld.areas[i];
|
|
for (j = 0; j < area->numfaces; j++)
|
|
{
|
|
facenum = abs(aasworld.faceindex[area->firstface + j]);
|
|
face = &aasworld.faces[facenum];
|
|
//
|
|
if (face->frontarea != i) otherareanum = face->frontarea;
|
|
else otherareanum = face->backarea;
|
|
//
|
|
if (!otherareanum) continue;
|
|
//
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL)
|
|
{
|
|
continue;
|
|
} //end if
|
|
//reset all cluster fields
|
|
AAS_RemoveClusterAreas();
|
|
//
|
|
AAS_FloodCluster_r(otherareanum, 1);
|
|
AAS_FloodClusterReachabilities(1);
|
|
//check if all adjacent non-portal areas have a cluster set
|
|
for (k = 0; k < area->numfaces; k++)
|
|
{
|
|
facenum = abs(aasworld.faceindex[area->firstface + k]);
|
|
face = &aasworld.faces[facenum];
|
|
//
|
|
if (face->frontarea != i) otherareanum = face->frontarea;
|
|
else otherareanum = face->backarea;
|
|
//
|
|
if (!otherareanum) continue;
|
|
//
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL)
|
|
{
|
|
continue;
|
|
} //end if
|
|
//
|
|
if (!aasworld.areasettings[otherareanum].cluster) break;
|
|
} //end for
|
|
//if all adjacent non-portal areas have a cluster set then the portal
|
|
//didn't seal a cluster
|
|
if (k >= area->numfaces)
|
|
{
|
|
aasworld.areasettings[i].contents &= ~AREACONTENTS_CLUSTERPORTAL;
|
|
nonclosingportals++;
|
|
//recheck all the other portals again
|
|
i = 0;
|
|
break;
|
|
} //end if
|
|
} //end for
|
|
} //end for
|
|
botimport.Print(PRT_MESSAGE, "\r%6d non closing portals removed\n", nonclosingportals);
|
|
} //end of the function AAS_RemoveNotClusterClosingPortals
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
|
|
void AAS_RemoveNotClusterClosingPortals(void)
|
|
{
|
|
int i, j, facenum, otherareanum, nonclosingportals, numseperatedclusters;
|
|
aas_area_t *area;
|
|
aas_face_t *face;
|
|
|
|
AAS_RemoveTeleporterPortals();
|
|
//
|
|
nonclosingportals = 0;
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
if (!(aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL)) continue;
|
|
//
|
|
numseperatedclusters = 0;
|
|
//reset all cluster fields
|
|
AAS_RemoveClusterAreas();
|
|
//find a non-portal area adjacent to the portal area and flood
|
|
//the cluster from there
|
|
area = &aasworld.areas[i];
|
|
for (j = 0; j < area->numfaces; j++)
|
|
{
|
|
facenum = abs(aasworld.faceindex[area->firstface + j]);
|
|
face = &aasworld.faces[facenum];
|
|
//
|
|
if (face->frontarea != i) otherareanum = face->frontarea;
|
|
else otherareanum = face->backarea;
|
|
//if not solid at the other side of the face
|
|
if (!otherareanum) continue;
|
|
//don't flood into other portals
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL) continue;
|
|
//if the area already has a cluster set
|
|
if (aasworld.areasettings[otherareanum].cluster) continue;
|
|
//another cluster is seperated by this portal
|
|
numseperatedclusters++;
|
|
//flood the cluster
|
|
AAS_FloodCluster_r(otherareanum, numseperatedclusters);
|
|
AAS_FloodClusterReachabilities(numseperatedclusters);
|
|
} //end for
|
|
//use the reachabilities to flood into other areas
|
|
for (j = 0; j < aasworld.areasettings[i].numreachableareas; j++)
|
|
{
|
|
otherareanum = aasworld.reachability[
|
|
aasworld.areasettings[i].firstreachablearea + j].areanum;
|
|
//this should never be qtrue but we check anyway
|
|
if (!otherareanum) continue;
|
|
//don't flood into other portals
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL) continue;
|
|
//if the area already has a cluster set
|
|
if (aasworld.areasettings[otherareanum].cluster) continue;
|
|
//another cluster is seperated by this portal
|
|
numseperatedclusters++;
|
|
//flood the cluster
|
|
AAS_FloodCluster_r(otherareanum, numseperatedclusters);
|
|
AAS_FloodClusterReachabilities(numseperatedclusters);
|
|
} //end for
|
|
//a portal must seperate no more and no less than 2 clusters
|
|
if (numseperatedclusters != 2)
|
|
{
|
|
aasworld.areasettings[i].contents &= ~AREACONTENTS_CLUSTERPORTAL;
|
|
nonclosingportals++;
|
|
//recheck all the other portals again
|
|
i = 0;
|
|
} //end if
|
|
} //end for
|
|
botimport.Print(PRT_MESSAGE, "\r%6d non closing portals removed\n", nonclosingportals);
|
|
} //end of the function AAS_RemoveNotClusterClosingPortals
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
|
|
void AAS_AddTeleporterPortals(void)
|
|
{
|
|
int j, area2num, facenum, otherareanum;
|
|
char *target, *targetname, *classname;
|
|
bsp_entity_t *entities, *ent, *dest;
|
|
vec3_t origin, destorigin, mins, maxs, end;
|
|
vec3_t bbmins, bbmaxs;
|
|
aas_area_t *area;
|
|
aas_face_t *face;
|
|
aas_trace_t trace;
|
|
aas_link_t *areas, *link;
|
|
|
|
entities = AAS_ParseBSPEntities();
|
|
|
|
for (ent = entities; ent; ent = ent->next)
|
|
{
|
|
classname = AAS_ValueForBSPEpairKey(ent, "classname");
|
|
if (classname && !strcmp(classname, "misc_teleporter"))
|
|
{
|
|
if (!AAS_VectorForBSPEpairKey(ent, "origin", origin))
|
|
{
|
|
botimport.Print(PRT_ERROR, "teleporter (%s) without origin\n", target);
|
|
continue;
|
|
} //end if
|
|
//
|
|
target = AAS_ValueForBSPEpairKey(ent, "target");
|
|
if (!target)
|
|
{
|
|
botimport.Print(PRT_ERROR, "teleporter (%s) without target\n", target);
|
|
continue;
|
|
} //end if
|
|
for (dest = entities; dest; dest = dest->next)
|
|
{
|
|
classname = AAS_ValueForBSPEpairKey(dest, "classname");
|
|
if (classname && !strcmp(classname, "misc_teleporter_dest"))
|
|
{
|
|
targetname = AAS_ValueForBSPEpairKey(dest, "targetname");
|
|
if (targetname && !strcmp(targetname, target))
|
|
{
|
|
break;
|
|
} //end if
|
|
} //end if
|
|
} //end for
|
|
if (!dest)
|
|
{
|
|
botimport.Print(PRT_ERROR, "teleporter without destination (%s)\n", target);
|
|
continue;
|
|
} //end if
|
|
if (!AAS_VectorForBSPEpairKey(dest, "origin", destorigin))
|
|
{
|
|
botimport.Print(PRT_ERROR, "teleporter destination (%s) without origin\n", target);
|
|
continue;
|
|
} //end if
|
|
destorigin[2] += 24; //just for q2e1m2, the dork has put the telepads in the ground
|
|
VectorCopy(destorigin, end);
|
|
end[2] -= 100;
|
|
trace = AAS_TraceClientBBox(destorigin, end, PRESENCE_CROUCH, -1);
|
|
if (trace.startsolid)
|
|
{
|
|
botimport.Print(PRT_ERROR, "teleporter destination (%s) in solid\n", target);
|
|
continue;
|
|
} //end if
|
|
VectorCopy(trace.endpos, destorigin);
|
|
area2num = AAS_PointAreaNum(destorigin);
|
|
//reset all cluster fields
|
|
for (j = 0; j < aasworld.numareas; j++)
|
|
{
|
|
aasworld.areasettings[j].cluster = 0;
|
|
} //end for
|
|
//
|
|
VectorSet(mins, -8, -8, 8);
|
|
VectorSet(maxs, 8, 8, 24);
|
|
//
|
|
AAS_PresenceTypeBoundingBox(PRESENCE_CROUCH, bbmins, bbmaxs);
|
|
//
|
|
VectorAdd(origin, mins, mins);
|
|
VectorAdd(origin, maxs, maxs);
|
|
//add bounding box size
|
|
VectorSubtract(mins, bbmaxs, mins);
|
|
VectorSubtract(maxs, bbmins, maxs);
|
|
//link an invalid (-1) entity
|
|
areas = AAS_AASLinkEntity(mins, maxs, -1);
|
|
//
|
|
for (link = areas; link; link = link->next_area)
|
|
{
|
|
if (!AAS_AreaGrounded(link->areanum)) continue;
|
|
//add the teleporter portal mark
|
|
aasworld.areasettings[link->areanum].contents |= AREACONTENTS_CLUSTERPORTAL |
|
|
AREACONTENTS_TELEPORTAL;
|
|
} //end for
|
|
//
|
|
for (link = areas; link; link = link->next_area)
|
|
{
|
|
if (!AAS_AreaGrounded(link->areanum)) continue;
|
|
//find a non-portal area adjacent to the portal area and flood
|
|
//the cluster from there
|
|
area = &aasworld.areas[link->areanum];
|
|
for (j = 0; j < area->numfaces; j++)
|
|
{
|
|
facenum = abs(aasworld.faceindex[area->firstface + j]);
|
|
face = &aasworld.faces[facenum];
|
|
//
|
|
if (face->frontarea != link->areanum) otherareanum = face->frontarea;
|
|
else otherareanum = face->backarea;
|
|
//
|
|
if (!otherareanum) continue;
|
|
//
|
|
if (aasworld.areasettings[otherareanum].contents & AREACONTENTS_CLUSTERPORTAL)
|
|
{
|
|
continue;
|
|
} //end if
|
|
//
|
|
AAS_FloodCluster_r(otherareanum, 1);
|
|
} //end for
|
|
} //end for
|
|
//if the teleport destination IS in the same cluster
|
|
if (aasworld.areasettings[area2num].cluster)
|
|
{
|
|
for (link = areas; link; link = link->next_area)
|
|
{
|
|
if (!AAS_AreaGrounded(link->areanum)) continue;
|
|
//add the teleporter portal mark
|
|
aasworld.areasettings[link->areanum].contents &= ~(AREACONTENTS_CLUSTERPORTAL |
|
|
AREACONTENTS_TELEPORTAL);
|
|
} //end for
|
|
} //end if
|
|
} //end if
|
|
} //end for
|
|
AAS_FreeBSPEntities(entities);
|
|
} //end of the function AAS_AddTeleporterPortals
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_AddTeleporterPortals(void)
|
|
{
|
|
int i, j, areanum;
|
|
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
for (j = 0; j < aasworld.areasettings[i].numreachableareas; j++)
|
|
{
|
|
if (aasworld.reachability[aasworld.areasettings[i].firstreachablearea + j].traveltype != TRAVEL_TELEPORT) continue;
|
|
areanum = aasworld.reachability[aasworld.areasettings[i].firstreachablearea + j].areanum;
|
|
aasworld.areasettings[areanum].contents |= AREACONTENTS_CLUSTERPORTAL;
|
|
} //end for
|
|
} //end for
|
|
} //end of the function AAS_AddTeleporterPortals
|
|
|
|
#endif
|
|
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
int AAS_TestPortals(void)
|
|
{
|
|
int i;
|
|
aas_portal_t *portal;
|
|
|
|
for (i = 1; i < aasworld.numportals; i++)
|
|
{
|
|
portal = &aasworld.portals[i];
|
|
if (!portal->frontcluster)
|
|
{
|
|
aasworld.areasettings[portal->areanum].contents &= ~AREACONTENTS_CLUSTERPORTAL;
|
|
Log_Write("portal area %d has no front cluster\r\n", portal->areanum);
|
|
return qfalse;
|
|
} //end if
|
|
if (!portal->backcluster)
|
|
{
|
|
aasworld.areasettings[portal->areanum].contents &= ~AREACONTENTS_CLUSTERPORTAL;
|
|
Log_Write("portal area %d has no back cluster\r\n", portal->areanum);
|
|
return qfalse;
|
|
} //end if
|
|
} //end for
|
|
return qtrue;
|
|
} //end of the function
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_CountForcedClusterPortals(void)
|
|
{
|
|
int num, i;
|
|
|
|
num = 0;
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
if (aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL)
|
|
{
|
|
Log_Write("area %d is a forced portal area\r\n", i);
|
|
num++;
|
|
} //end if
|
|
} //end for
|
|
botimport.Print(PRT_MESSAGE, "%6d forced portal areas\n", num);
|
|
} //end of the function AAS_CountForcedClusterPortals
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_CreateViewPortals(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
if (aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL)
|
|
{
|
|
aasworld.areasettings[i].contents |= AREACONTENTS_VIEWPORTAL;
|
|
} //end if
|
|
} //end for
|
|
} //end of the function AAS_CreateViewPortals
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_SetViewPortalsAsClusterPortals(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 1; i < aasworld.numareas; i++)
|
|
{
|
|
if (aasworld.areasettings[i].contents & AREACONTENTS_VIEWPORTAL)
|
|
{
|
|
aasworld.areasettings[i].contents |= AREACONTENTS_CLUSTERPORTAL;
|
|
} //end if
|
|
} //end for
|
|
} //end of the function AAS_SetViewPortalsAsClusterPortals
|
|
//===========================================================================
|
|
//
|
|
// Parameter: -
|
|
// Returns: -
|
|
// Changes Globals: -
|
|
//===========================================================================
|
|
void AAS_InitClustering(void)
|
|
{
|
|
int i, removedPortalAreas;
|
|
int n, total, numreachabilityareas;
|
|
|
|
if (!aasworld.loaded) return;
|
|
//if there are clusters
|
|
if (aasworld.numclusters >= 1)
|
|
{
|
|
#ifndef BSPC
|
|
//if clustering isn't forced
|
|
if (!((int)LibVarGetValue("forceclustering")) &&
|
|
!((int)LibVarGetValue("forcereachability"))) return;
|
|
#endif
|
|
} //end if
|
|
//set all view portals as cluster portals in case we re-calculate the reachabilities and clusters (with -reach)
|
|
AAS_SetViewPortalsAsClusterPortals();
|
|
//count the number of forced cluster portals
|
|
AAS_CountForcedClusterPortals();
|
|
//remove all area cluster marks
|
|
AAS_RemoveClusterAreas();
|
|
//find possible cluster portals
|
|
AAS_FindPossiblePortals();
|
|
//craete portals to for the bot view
|
|
AAS_CreateViewPortals();
|
|
//remove all portals that are not closing a cluster
|
|
//AAS_RemoveNotClusterClosingPortals();
|
|
//initialize portal memory
|
|
if (aasworld.portals) FreeMemory(aasworld.portals);
|
|
aasworld.portals = (aas_portal_t *) GetClearedMemory(AAS_MAX_PORTALS * sizeof(aas_portal_t));
|
|
//initialize portal index memory
|
|
if (aasworld.portalindex) FreeMemory(aasworld.portalindex);
|
|
aasworld.portalindex = (aas_portalindex_t *) GetClearedMemory(AAS_MAX_PORTALINDEXSIZE * sizeof(aas_portalindex_t));
|
|
//initialize cluster memory
|
|
if (aasworld.clusters) FreeMemory(aasworld.clusters);
|
|
aasworld.clusters = (aas_cluster_t *) GetClearedMemory(AAS_MAX_CLUSTERS * sizeof(aas_cluster_t));
|
|
//
|
|
removedPortalAreas = 0;
|
|
botimport.Print(PRT_MESSAGE, "\r%6d removed portal areas", removedPortalAreas);
|
|
while(1)
|
|
{
|
|
botimport.Print(PRT_MESSAGE, "\r%6d", removedPortalAreas);
|
|
//initialize the number of portals and clusters
|
|
aasworld.numportals = 1; //portal 0 is a dummy
|
|
aasworld.portalindexsize = 0;
|
|
aasworld.numclusters = 1; //cluster 0 is a dummy
|
|
//create the portals from the portal areas
|
|
AAS_CreatePortals();
|
|
//
|
|
removedPortalAreas++;
|
|
//find the clusters
|
|
if (!AAS_FindClusters())
|
|
continue;
|
|
//test the portals
|
|
if (!AAS_TestPortals())
|
|
continue;
|
|
//
|
|
break;
|
|
} //end while
|
|
botimport.Print(PRT_MESSAGE, "\n");
|
|
//the AAS file should be saved
|
|
aasworld.savefile = qtrue;
|
|
//write the portal areas to the log file
|
|
for (i = 1; i < aasworld.numportals; i++)
|
|
{
|
|
Log_Write("portal %d: area %d\r\n", i, aasworld.portals[i].areanum);
|
|
} //end for
|
|
// report cluster info
|
|
botimport.Print(PRT_MESSAGE, "%6d portals created\n", aasworld.numportals);
|
|
botimport.Print(PRT_MESSAGE, "%6d clusters created\n", aasworld.numclusters);
|
|
for (i = 1; i < aasworld.numclusters; i++)
|
|
{
|
|
botimport.Print(PRT_MESSAGE, "cluster %d has %d reachability areas\n", i,
|
|
aasworld.clusters[i].numreachabilityareas);
|
|
} //end for
|
|
// report AAS file efficiency
|
|
numreachabilityareas = 0;
|
|
total = 0;
|
|
for (i = 0; i < aasworld.numclusters; i++) {
|
|
n = aasworld.clusters[i].numreachabilityareas;
|
|
numreachabilityareas += n;
|
|
total += n * n;
|
|
}
|
|
total += numreachabilityareas * aasworld.numportals;
|
|
//
|
|
botimport.Print(PRT_MESSAGE, "%6i total reachability areas\n", numreachabilityareas);
|
|
botimport.Print(PRT_MESSAGE, "%6i AAS memory/CPU usage (the lower the better)\n", total * 3);
|
|
} //end of the function AAS_InitClustering
|