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diff --git a/src/botlib/be_aas_route.c b/src/botlib/be_aas_route.c
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-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-Copyright (C) 2000-2006 Tim Angus
-
-This file is part of Tremulous.
-
-Tremulous is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-Tremulous is distributed in the hope that it will be
-useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with Tremulous; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-
-/*****************************************************************************
- * name: be_aas_route.c
- *
- * desc: AAS
- *
- * $Archive: /MissionPack/code/botlib/be_aas_route.c $
- *
- *****************************************************************************/
-
-#include "../qcommon/q_shared.h"
-#include "l_utils.h"
-#include "l_memory.h"
-#include "l_log.h"
-#include "l_crc.h"
-#include "l_libvar.h"
-#include "l_script.h"
-#include "l_precomp.h"
-#include "l_struct.h"
-#include "aasfile.h"
-#include "botlib.h"
-#include "be_aas.h"
-#include "be_aas_funcs.h"
-#include "be_interface.h"
-#include "be_aas_def.h"
-
-#define ROUTING_DEBUG
-
-//travel time in hundreths of a second = distance * 100 / speed
-#define DISTANCEFACTOR_CROUCH 1.3f //crouch speed = 100
-#define DISTANCEFACTOR_SWIM 1 //should be 0.66, swim speed = 150
-#define DISTANCEFACTOR_WALK 0.33f //walk speed = 300
-
-//cache refresh time
-#define CACHE_REFRESHTIME 15.0f //15 seconds refresh time
-
-//maximum number of routing updates each frame
-#define MAX_FRAMEROUTINGUPDATES 10
-
-
-/*
-
- area routing cache:
- stores the distances within one cluster to a specific goal area
- this goal area is in this same cluster and could be a cluster portal
- for every cluster there's a list with routing cache for every area
- in that cluster (including the portals of that cluster)
- area cache stores aasworld.clusters[?].numreachabilityareas travel times
-
- portal routing cache:
- stores the distances of all portals to a specific goal area
- this goal area could be in any cluster and could also be a cluster portal
- for every area (aasworld.numareas) the portal cache stores
- aasworld.numportals travel times
-
-*/
-
-#ifdef ROUTING_DEBUG
-int numareacacheupdates;
-int numportalcacheupdates;
-#endif //ROUTING_DEBUG
-
-int routingcachesize;
-int max_routingcachesize;
-
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-#ifdef ROUTING_DEBUG
-void AAS_RoutingInfo(void)
-{
- botimport.Print(PRT_MESSAGE, "%d area cache updates\n", numareacacheupdates);
- botimport.Print(PRT_MESSAGE, "%d portal cache updates\n", numportalcacheupdates);
- botimport.Print(PRT_MESSAGE, "%d bytes routing cache\n", routingcachesize);
-} //end of the function AAS_RoutingInfo
-#endif //ROUTING_DEBUG
-//===========================================================================
-// returns the number of the area in the cluster
-// assumes the given area is in the given cluster or a portal of the cluster
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-ID_INLINE int AAS_ClusterAreaNum(int cluster, int areanum)
-{
- int side, areacluster;
-
- areacluster = aasworld.areasettings[areanum].cluster;
- if (areacluster > 0) return aasworld.areasettings[areanum].clusterareanum;
- else
- {
-/*#ifdef ROUTING_DEBUG
- if (aasworld.portals[-areacluster].frontcluster != cluster &&
- aasworld.portals[-areacluster].backcluster != cluster)
- {
- botimport.Print(PRT_ERROR, "portal %d: does not belong to cluster %d\n"
- , -areacluster, cluster);
- } //end if
-#endif //ROUTING_DEBUG*/
- side = aasworld.portals[-areacluster].frontcluster != cluster;
- return aasworld.portals[-areacluster].clusterareanum[side];
- } //end else
-} //end of the function AAS_ClusterAreaNum
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_InitTravelFlagFromType(void)
-{
- int i;
-
- for (i = 0; i < MAX_TRAVELTYPES; i++)
- {
- aasworld.travelflagfortype[i] = TFL_INVALID;
- } //end for
- aasworld.travelflagfortype[TRAVEL_INVALID] = TFL_INVALID;
- aasworld.travelflagfortype[TRAVEL_WALK] = TFL_WALK;
- aasworld.travelflagfortype[TRAVEL_CROUCH] = TFL_CROUCH;
- aasworld.travelflagfortype[TRAVEL_BARRIERJUMP] = TFL_BARRIERJUMP;
- aasworld.travelflagfortype[TRAVEL_JUMP] = TFL_JUMP;
- aasworld.travelflagfortype[TRAVEL_LADDER] = TFL_LADDER;
- aasworld.travelflagfortype[TRAVEL_WALKOFFLEDGE] = TFL_WALKOFFLEDGE;
- aasworld.travelflagfortype[TRAVEL_SWIM] = TFL_SWIM;
- aasworld.travelflagfortype[TRAVEL_WATERJUMP] = TFL_WATERJUMP;
- aasworld.travelflagfortype[TRAVEL_TELEPORT] = TFL_TELEPORT;
- aasworld.travelflagfortype[TRAVEL_ELEVATOR] = TFL_ELEVATOR;
- aasworld.travelflagfortype[TRAVEL_ROCKETJUMP] = TFL_ROCKETJUMP;
- aasworld.travelflagfortype[TRAVEL_BFGJUMP] = TFL_BFGJUMP;
- aasworld.travelflagfortype[TRAVEL_GRAPPLEHOOK] = TFL_GRAPPLEHOOK;
- aasworld.travelflagfortype[TRAVEL_DOUBLEJUMP] = TFL_DOUBLEJUMP;
- aasworld.travelflagfortype[TRAVEL_RAMPJUMP] = TFL_RAMPJUMP;
- aasworld.travelflagfortype[TRAVEL_STRAFEJUMP] = TFL_STRAFEJUMP;
- aasworld.travelflagfortype[TRAVEL_JUMPPAD] = TFL_JUMPPAD;
- aasworld.travelflagfortype[TRAVEL_FUNCBOB] = TFL_FUNCBOB;
-} //end of the function AAS_InitTravelFlagFromType
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-ID_INLINE int AAS_TravelFlagForType_inline(int traveltype)
-{
- int tfl;
-
- tfl = 0;
- if (tfl & TRAVELFLAG_NOTTEAM1)
- tfl |= TFL_NOTTEAM1;
- if (tfl & TRAVELFLAG_NOTTEAM2)
- tfl |= TFL_NOTTEAM2;
- traveltype &= TRAVELTYPE_MASK;
- if (traveltype < 0 || traveltype >= MAX_TRAVELTYPES)
- return TFL_INVALID;
- tfl |= aasworld.travelflagfortype[traveltype];
- return tfl;
-} //end of the function AAS_TravelFlagForType_inline
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_TravelFlagForType(int traveltype)
-{
- return AAS_TravelFlagForType_inline(traveltype);
-} //end of the function AAS_TravelFlagForType_inline
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_UnlinkCache(aas_routingcache_t *cache)
-{
- if (cache->time_next) cache->time_next->time_prev = cache->time_prev;
- else aasworld.newestcache = cache->time_prev;
- if (cache->time_prev) cache->time_prev->time_next = cache->time_next;
- else aasworld.oldestcache = cache->time_next;
- cache->time_next = NULL;
- cache->time_prev = NULL;
-} //end of the function AAS_UnlinkCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_LinkCache(aas_routingcache_t *cache)
-{
- if (aasworld.newestcache)
- {
- aasworld.newestcache->time_next = cache;
- cache->time_prev = aasworld.newestcache;
- } //end if
- else
- {
- aasworld.oldestcache = cache;
- cache->time_prev = NULL;
- } //end else
- cache->time_next = NULL;
- aasworld.newestcache = cache;
-} //end of the function AAS_LinkCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_FreeRoutingCache(aas_routingcache_t *cache)
-{
- AAS_UnlinkCache(cache);
- routingcachesize -= cache->size;
- FreeMemory(cache);
-} //end of the function AAS_FreeRoutingCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_RemoveRoutingCacheInCluster( int clusternum )
-{
- int i;
- aas_routingcache_t *cache, *nextcache;
- aas_cluster_t *cluster;
-
- if (!aasworld.clusterareacache)
- return;
- cluster = &aasworld.clusters[clusternum];
- for (i = 0; i < cluster->numareas; i++)
- {
- for (cache = aasworld.clusterareacache[clusternum][i]; cache; cache = nextcache)
- {
- nextcache = cache->next;
- AAS_FreeRoutingCache(cache);
- } //end for
- aasworld.clusterareacache[clusternum][i] = NULL;
- } //end for
-} //end of the function AAS_RemoveRoutingCacheInCluster
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_RemoveRoutingCacheUsingArea( int areanum )
-{
- int i, clusternum;
- aas_routingcache_t *cache, *nextcache;
-
- clusternum = aasworld.areasettings[areanum].cluster;
- if (clusternum > 0)
- {
- //remove all the cache in the cluster the area is in
- AAS_RemoveRoutingCacheInCluster( clusternum );
- } //end if
- else
- {
- // if this is a portal remove all cache in both the front and back cluster
- AAS_RemoveRoutingCacheInCluster( aasworld.portals[-clusternum].frontcluster );
- AAS_RemoveRoutingCacheInCluster( aasworld.portals[-clusternum].backcluster );
- } //end else
- // remove all portal cache
- for (i = 0; i < aasworld.numareas; i++)
- {
- //refresh portal cache
- for (cache = aasworld.portalcache[i]; cache; cache = nextcache)
- {
- nextcache = cache->next;
- AAS_FreeRoutingCache(cache);
- } //end for
- aasworld.portalcache[i] = NULL;
- } //end for
-} //end of the function AAS_RemoveRoutingCacheUsingArea
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_EnableRoutingArea(int areanum, int enable)
-{
- int flags;
-
- if (areanum <= 0 || areanum >= aasworld.numareas)
- {
- if (bot_developer)
- {
- botimport.Print(PRT_ERROR, "AAS_EnableRoutingArea: areanum %d out of range\n", areanum);
- } //end if
- return 0;
- } //end if
- flags = aasworld.areasettings[areanum].areaflags & AREA_DISABLED;
- if (enable < 0)
- return !flags;
-
- if (enable)
- aasworld.areasettings[areanum].areaflags &= ~AREA_DISABLED;
- else
- aasworld.areasettings[areanum].areaflags |= AREA_DISABLED;
- // if the status of the area changed
- if ( (flags & AREA_DISABLED) != (aasworld.areasettings[areanum].areaflags & AREA_DISABLED) )
- {
- //remove all routing cache involving this area
- AAS_RemoveRoutingCacheUsingArea( areanum );
- } //end if
- return !flags;
-} //end of the function AAS_EnableRoutingArea
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-ID_INLINE float AAS_RoutingTime(void)
-{
- return AAS_Time();
-} //end of the function AAS_RoutingTime
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_GetAreaContentsTravelFlags(int areanum)
-{
- int contents, tfl;
-
- contents = aasworld.areasettings[areanum].contents;
- tfl = 0;
- if (contents & AREACONTENTS_WATER)
- tfl |= TFL_WATER;
- else if (contents & AREACONTENTS_SLIME)
- tfl |= TFL_SLIME;
- else if (contents & AREACONTENTS_LAVA)
- tfl |= TFL_LAVA;
- else
- tfl |= TFL_AIR;
- if (contents & AREACONTENTS_DONOTENTER)
- tfl |= TFL_DONOTENTER;
- if (contents & AREACONTENTS_NOTTEAM1)
- tfl |= TFL_NOTTEAM1;
- if (contents & AREACONTENTS_NOTTEAM2)
- tfl |= TFL_NOTTEAM2;
- if (aasworld.areasettings[areanum].areaflags & AREA_BRIDGE)
- tfl |= TFL_BRIDGE;
- return tfl;
-} //end of the function AAS_GetAreaContentsTravelFlags
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-ID_INLINE int AAS_AreaContentsTravelFlags_inline(int areanum)
-{
- return aasworld.areacontentstravelflags[areanum];
-} //end of the function AAS_AreaContentsTravelFlags
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_AreaContentsTravelFlags(int areanum)
-{
- return aasworld.areacontentstravelflags[areanum];
-} //end of the function AAS_AreaContentsTravelFlags
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_InitAreaContentsTravelFlags(void)
-{
- int i;
-
- if (aasworld.areacontentstravelflags) FreeMemory(aasworld.areacontentstravelflags);
- aasworld.areacontentstravelflags = (int *) GetClearedMemory(aasworld.numareas * sizeof(int));
- //
- for (i = 0; i < aasworld.numareas; i++) {
- aasworld.areacontentstravelflags[i] = AAS_GetAreaContentsTravelFlags(i);
- }
-} //end of the function AAS_InitAreaContentsTravelFlags
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_CreateReversedReachability(void)
-{
- int i, n;
- aas_reversedlink_t *revlink;
- aas_reachability_t *reach;
- aas_areasettings_t *settings;
- char *ptr;
-#ifdef DEBUG
- int starttime;
-
- starttime = Sys_MilliSeconds();
-#endif
- //free reversed links that have already been created
- if (aasworld.reversedreachability) FreeMemory(aasworld.reversedreachability);
- //allocate memory for the reversed reachability links
- ptr = (char *) GetClearedMemory(aasworld.numareas * sizeof(aas_reversedreachability_t) +
- aasworld.reachabilitysize * sizeof(aas_reversedlink_t));
- //
- aasworld.reversedreachability = (aas_reversedreachability_t *) ptr;
- //pointer to the memory for the reversed links
- ptr += aasworld.numareas * sizeof(aas_reversedreachability_t);
- //check all reachabilities of all areas
- for (i = 1; i < aasworld.numareas; i++)
- {
- //settings of the area
- settings = &aasworld.areasettings[i];
- //
- if (settings->numreachableareas >= 128)
- botimport.Print(PRT_WARNING, "area %d has more than 128 reachabilities\n", i);
- //create reversed links for the reachabilities
- for (n = 0; n < settings->numreachableareas && n < 128; n++)
- {
- //reachability link
- reach = &aasworld.reachability[settings->firstreachablearea + n];
- //
- revlink = (aas_reversedlink_t *) ptr;
- ptr += sizeof(aas_reversedlink_t);
- //
- revlink->areanum = i;
- revlink->linknum = settings->firstreachablearea + n;
- revlink->next = aasworld.reversedreachability[reach->areanum].first;
- aasworld.reversedreachability[reach->areanum].first = revlink;
- aasworld.reversedreachability[reach->areanum].numlinks++;
- } //end for
- } //end for
-#ifdef DEBUG
- botimport.Print(PRT_MESSAGE, "reversed reachability %d msec\n", Sys_MilliSeconds() - starttime);
-#endif
-} //end of the function AAS_CreateReversedReachability
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-unsigned short int AAS_AreaTravelTime(int areanum, vec3_t start, vec3_t end)
-{
- int intdist;
- float dist;
- vec3_t dir;
-
- VectorSubtract(start, end, dir);
- dist = VectorLength(dir);
- //if crouch only area
- if (AAS_AreaCrouch(areanum)) dist *= DISTANCEFACTOR_CROUCH;
- //if swim area
- else if (AAS_AreaSwim(areanum)) dist *= DISTANCEFACTOR_SWIM;
- //normal walk area
- else dist *= DISTANCEFACTOR_WALK;
- //
- intdist = (int) dist;
- //make sure the distance isn't zero
- if (intdist <= 0) intdist = 1;
- return intdist;
-} //end of the function AAS_AreaTravelTime
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_CalculateAreaTravelTimes(void)
-{
- int i, l, n, size;
- char *ptr;
- vec3_t end;
- aas_reversedreachability_t *revreach;
- aas_reversedlink_t *revlink;
- aas_reachability_t *reach;
- aas_areasettings_t *settings;
- int starttime;
-
- starttime = Sys_MilliSeconds();
- //if there are still area travel times, free the memory
- if (aasworld.areatraveltimes) FreeMemory(aasworld.areatraveltimes);
- //get the total size of all the area travel times
- size = aasworld.numareas * sizeof(unsigned short **);
- for (i = 0; i < aasworld.numareas; i++)
- {
- revreach = &aasworld.reversedreachability[i];
- //settings of the area
- settings = &aasworld.areasettings[i];
- //
- size += settings->numreachableareas * sizeof(unsigned short *);
- //
- size += settings->numreachableareas *
- PAD(revreach->numlinks, sizeof(long)) * sizeof(unsigned short);
- } //end for
- //allocate memory for the area travel times
- ptr = (char *) GetClearedMemory(size);
- aasworld.areatraveltimes = (unsigned short ***) ptr;
- ptr += aasworld.numareas * sizeof(unsigned short **);
- //calcluate the travel times for all the areas
- for (i = 0; i < aasworld.numareas; i++)
- {
- //reversed reachabilities of this area
- revreach = &aasworld.reversedreachability[i];
- //settings of the area
- settings = &aasworld.areasettings[i];
- //
- aasworld.areatraveltimes[i] = (unsigned short **) ptr;
- ptr += settings->numreachableareas * sizeof(unsigned short *);
- //
- for (l = 0; l < settings->numreachableareas; l++)
- {
- aasworld.areatraveltimes[i][l] = (unsigned short *) ptr;
- ptr += PAD(revreach->numlinks, sizeof(long)) * sizeof(unsigned short);
- //reachability link
- reach = &aasworld.reachability[settings->firstreachablearea + l];
- //
- for (n = 0, revlink = revreach->first; revlink; revlink = revlink->next, n++)
- {
- VectorCopy(aasworld.reachability[revlink->linknum].end, end);
- //
- aasworld.areatraveltimes[i][l][n] = AAS_AreaTravelTime(i, end, reach->start);
- } //end for
- } //end for
- } //end for
-#ifdef DEBUG
- botimport.Print(PRT_MESSAGE, "area travel times %d msec\n", Sys_MilliSeconds() - starttime);
-#endif
-} //end of the function AAS_CalculateAreaTravelTimes
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_PortalMaxTravelTime(int portalnum)
-{
- int l, n, t, maxt;
- aas_portal_t *portal;
- aas_reversedreachability_t *revreach;
- aas_reversedlink_t *revlink;
- aas_areasettings_t *settings;
-
- portal = &aasworld.portals[portalnum];
- //reversed reachabilities of this portal area
- revreach = &aasworld.reversedreachability[portal->areanum];
- //settings of the portal area
- settings = &aasworld.areasettings[portal->areanum];
- //
- maxt = 0;
- for (l = 0; l < settings->numreachableareas; l++)
- {
- for (n = 0, revlink = revreach->first; revlink; revlink = revlink->next, n++)
- {
- t = aasworld.areatraveltimes[portal->areanum][l][n];
- if (t > maxt)
- {
- maxt = t;
- } //end if
- } //end for
- } //end for
- return maxt;
-} //end of the function AAS_PortalMaxTravelTime
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_InitPortalMaxTravelTimes(void)
-{
- int i;
-
- if (aasworld.portalmaxtraveltimes) FreeMemory(aasworld.portalmaxtraveltimes);
-
- aasworld.portalmaxtraveltimes = (int *) GetClearedMemory(aasworld.numportals * sizeof(int));
-
- for (i = 0; i < aasworld.numportals; i++)
- {
- aasworld.portalmaxtraveltimes[i] = AAS_PortalMaxTravelTime(i);
- //botimport.Print(PRT_MESSAGE, "portal %d max tt = %d\n", i, aasworld.portalmaxtraveltimes[i]);
- } //end for
-} //end of the function AAS_InitPortalMaxTravelTimes
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-/*
-int AAS_FreeOldestCache(void)
-{
- int i, j, bestcluster, bestarea, freed;
- float besttime;
- aas_routingcache_t *cache, *bestcache;
-
- freed = qfalse;
- besttime = 999999999;
- bestcache = NULL;
- bestcluster = 0;
- bestarea = 0;
- //refresh cluster cache
- for (i = 0; i < aasworld.numclusters; i++)
- {
- for (j = 0; j < aasworld.clusters[i].numareas; j++)
- {
- for (cache = aasworld.clusterareacache[i][j]; cache; cache = cache->next)
- {
- //never remove cache leading towards a portal
- if (aasworld.areasettings[cache->areanum].cluster < 0) continue;
- //if this cache is older than the cache we found so far
- if (cache->time < besttime)
- {
- bestcache = cache;
- bestcluster = i;
- bestarea = j;
- besttime = cache->time;
- } //end if
- } //end for
- } //end for
- } //end for
- if (bestcache)
- {
- cache = bestcache;
- if (cache->prev) cache->prev->next = cache->next;
- else aasworld.clusterareacache[bestcluster][bestarea] = cache->next;
- if (cache->next) cache->next->prev = cache->prev;
- AAS_FreeRoutingCache(cache);
- freed = qtrue;
- } //end if
- besttime = 999999999;
- bestcache = NULL;
- bestarea = 0;
- for (i = 0; i < aasworld.numareas; i++)
- {
- //refresh portal cache
- for (cache = aasworld.portalcache[i]; cache; cache = cache->next)
- {
- if (cache->time < besttime)
- {
- bestcache = cache;
- bestarea = i;
- besttime = cache->time;
- } //end if
- } //end for
- } //end for
- if (bestcache)
- {
- cache = bestcache;
- if (cache->prev) cache->prev->next = cache->next;
- else aasworld.portalcache[bestarea] = cache->next;
- if (cache->next) cache->next->prev = cache->prev;
- AAS_FreeRoutingCache(cache);
- freed = qtrue;
- } //end if
- return freed;
-} //end of the function AAS_FreeOldestCache
-*/
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_FreeOldestCache(void)
-{
- int clusterareanum;
- aas_routingcache_t *cache;
-
- for (cache = aasworld.oldestcache; cache; cache = cache->time_next) {
- // never free area cache leading towards a portal
- if (cache->type == CACHETYPE_AREA && aasworld.areasettings[cache->areanum].cluster < 0) {
- continue;
- }
- break;
- }
- if (cache) {
- // unlink the cache
- if (cache->type == CACHETYPE_AREA) {
- //number of the area in the cluster
- clusterareanum = AAS_ClusterAreaNum(cache->cluster, cache->areanum);
- // unlink from cluster area cache
- if (cache->prev) cache->prev->next = cache->next;
- else aasworld.clusterareacache[cache->cluster][clusterareanum] = cache->next;
- if (cache->next) cache->next->prev = cache->prev;
- }
- else {
- // unlink from portal cache
- if (cache->prev) cache->prev->next = cache->next;
- else aasworld.portalcache[cache->areanum] = cache->next;
- if (cache->next) cache->next->prev = cache->prev;
- }
- AAS_FreeRoutingCache(cache);
- return qtrue;
- }
- return qfalse;
-} //end of the function AAS_FreeOldestCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-aas_routingcache_t *AAS_AllocRoutingCache(int numtraveltimes)
-{
- aas_routingcache_t *cache;
- int size;
-
- //
- size = sizeof(aas_routingcache_t)
- + numtraveltimes * sizeof(unsigned short int)
- + numtraveltimes * sizeof(unsigned char);
- //
- routingcachesize += size;
- //
- cache = (aas_routingcache_t *) GetClearedMemory(size);
- cache->reachabilities = (unsigned char *) cache + sizeof(aas_routingcache_t)
- + numtraveltimes * sizeof(unsigned short int);
- cache->size = size;
- return cache;
-} //end of the function AAS_AllocRoutingCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_FreeAllClusterAreaCache(void)
-{
- int i, j;
- aas_routingcache_t *cache, *nextcache;
- aas_cluster_t *cluster;
-
- //free all cluster cache if existing
- if (!aasworld.clusterareacache) return;
- //free caches
- for (i = 0; i < aasworld.numclusters; i++)
- {
- cluster = &aasworld.clusters[i];
- for (j = 0; j < cluster->numareas; j++)
- {
- for (cache = aasworld.clusterareacache[i][j]; cache; cache = nextcache)
- {
- nextcache = cache->next;
- AAS_FreeRoutingCache(cache);
- } //end for
- aasworld.clusterareacache[i][j] = NULL;
- } //end for
- } //end for
- //free the cluster cache array
- FreeMemory(aasworld.clusterareacache);
- aasworld.clusterareacache = NULL;
-} //end of the function AAS_FreeAllClusterAreaCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_InitClusterAreaCache(void)
-{
- int i, size;
- char *ptr;
-
- //
- for (size = 0, i = 0; i < aasworld.numclusters; i++)
- {
- size += aasworld.clusters[i].numareas;
- } //end for
- //two dimensional array with pointers for every cluster to routing cache
- //for every area in that cluster
- ptr = (char *) GetClearedMemory(
- aasworld.numclusters * sizeof(aas_routingcache_t **) +
- size * sizeof(aas_routingcache_t *));
- aasworld.clusterareacache = (aas_routingcache_t ***) ptr;
- ptr += aasworld.numclusters * sizeof(aas_routingcache_t **);
- for (i = 0; i < aasworld.numclusters; i++)
- {
- aasworld.clusterareacache[i] = (aas_routingcache_t **) ptr;
- ptr += aasworld.clusters[i].numareas * sizeof(aas_routingcache_t *);
- } //end for
-} //end of the function AAS_InitClusterAreaCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_FreeAllPortalCache(void)
-{
- int i;
- aas_routingcache_t *cache, *nextcache;
-
- //free all portal cache if existing
- if (!aasworld.portalcache) return;
- //free portal caches
- for (i = 0; i < aasworld.numareas; i++)
- {
- for (cache = aasworld.portalcache[i]; cache; cache = nextcache)
- {
- nextcache = cache->next;
- AAS_FreeRoutingCache(cache);
- } //end for
- aasworld.portalcache[i] = NULL;
- } //end for
- FreeMemory(aasworld.portalcache);
- aasworld.portalcache = NULL;
-} //end of the function AAS_FreeAllPortalCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_InitPortalCache(void)
-{
- //
- aasworld.portalcache = (aas_routingcache_t **) GetClearedMemory(
- aasworld.numareas * sizeof(aas_routingcache_t *));
-} //end of the function AAS_InitPortalCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_InitRoutingUpdate(void)
-{
- int i, maxreachabilityareas;
-
- //free routing update fields if already existing
- if (aasworld.areaupdate) FreeMemory(aasworld.areaupdate);
- //
- maxreachabilityareas = 0;
- for (i = 0; i < aasworld.numclusters; i++)
- {
- if (aasworld.clusters[i].numreachabilityareas > maxreachabilityareas)
- {
- maxreachabilityareas = aasworld.clusters[i].numreachabilityareas;
- } //end if
- } //end for
- //allocate memory for the routing update fields
- aasworld.areaupdate = (aas_routingupdate_t *) GetClearedMemory(
- maxreachabilityareas * sizeof(aas_routingupdate_t));
- //
- if (aasworld.portalupdate) FreeMemory(aasworld.portalupdate);
- //allocate memory for the portal update fields
- aasworld.portalupdate = (aas_routingupdate_t *) GetClearedMemory(
- (aasworld.numportals+1) * sizeof(aas_routingupdate_t));
-} //end of the function AAS_InitRoutingUpdate
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_CreateAllRoutingCache(void)
-{
- int i, j, t;
-
- aasworld.initialized = qtrue;
- botimport.Print(PRT_MESSAGE, "AAS_CreateAllRoutingCache\n");
- for (i = 1; i < aasworld.numareas; i++)
- {
- if (!AAS_AreaReachability(i)) continue;
- for (j = 1; j < aasworld.numareas; j++)
- {
- if (i == j) continue;
- if (!AAS_AreaReachability(j)) continue;
- t = AAS_AreaTravelTimeToGoalArea(i, aasworld.areas[i].center, j, TFL_DEFAULT);
- //Log_Write("traveltime from %d to %d is %d", i, j, t);
- } //end for
- } //end for
- aasworld.initialized = qfalse;
-} //end of the function AAS_CreateAllRoutingCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-
-//the route cache header
-//this header is followed by numportalcache + numareacache aas_routingcache_t
-//structures that store routing cache
-typedef struct routecacheheader_s
-{
- int ident;
- int version;
- int numareas;
- int numclusters;
- int areacrc;
- int clustercrc;
- int numportalcache;
- int numareacache;
-} routecacheheader_t;
-
-#define RCID (('C'<<24)+('R'<<16)+('E'<<8)+'M')
-#define RCVERSION 2
-
-//void AAS_DecompressVis(byte *in, int numareas, byte *decompressed);
-//int AAS_CompressVis(byte *vis, int numareas, byte *dest);
-
-void AAS_WriteRouteCache(void)
-{
- int i, j, numportalcache, numareacache, totalsize;
- aas_routingcache_t *cache;
- aas_cluster_t *cluster;
- fileHandle_t fp;
- char filename[MAX_QPATH];
- routecacheheader_t routecacheheader;
-
- numportalcache = 0;
- for (i = 0; i < aasworld.numareas; i++)
- {
- for (cache = aasworld.portalcache[i]; cache; cache = cache->next)
- {
- numportalcache++;
- } //end for
- } //end for
- numareacache = 0;
- for (i = 0; i < aasworld.numclusters; i++)
- {
- cluster = &aasworld.clusters[i];
- for (j = 0; j < cluster->numareas; j++)
- {
- for (cache = aasworld.clusterareacache[i][j]; cache; cache = cache->next)
- {
- numareacache++;
- } //end for
- } //end for
- } //end for
- // open the file for writing
- Com_sprintf(filename, MAX_QPATH, "maps/%s.rcd", aasworld.mapname);
- botimport.FS_FOpenFile( filename, &fp, FS_WRITE );
- if (!fp)
- {
- AAS_Error("Unable to open file: %s\n", filename);
- return;
- } //end if
- //create the header
- routecacheheader.ident = RCID;
- routecacheheader.version = RCVERSION;
- routecacheheader.numareas = aasworld.numareas;
- routecacheheader.numclusters = aasworld.numclusters;
- routecacheheader.areacrc = CRC_ProcessString( (unsigned char *)aasworld.areas, sizeof(aas_area_t) * aasworld.numareas );
- routecacheheader.clustercrc = CRC_ProcessString( (unsigned char *)aasworld.clusters, sizeof(aas_cluster_t) * aasworld.numclusters );
- routecacheheader.numportalcache = numportalcache;
- routecacheheader.numareacache = numareacache;
- //write the header
- botimport.FS_Write(&routecacheheader, sizeof(routecacheheader_t), fp);
- //
- totalsize = 0;
- //write all the cache
- for (i = 0; i < aasworld.numareas; i++)
- {
- for (cache = aasworld.portalcache[i]; cache; cache = cache->next)
- {
- botimport.FS_Write(cache, cache->size, fp);
- totalsize += cache->size;
- } //end for
- } //end for
- for (i = 0; i < aasworld.numclusters; i++)
- {
- cluster = &aasworld.clusters[i];
- for (j = 0; j < cluster->numareas; j++)
- {
- for (cache = aasworld.clusterareacache[i][j]; cache; cache = cache->next)
- {
- botimport.FS_Write(cache, cache->size, fp);
- totalsize += cache->size;
- } //end for
- } //end for
- } //end for
- // write the visareas
- /*
- for (i = 0; i < aasworld.numareas; i++)
- {
- if (!aasworld.areavisibility[i]) {
- size = 0;
- botimport.FS_Write(&size, sizeof(int), fp);
- continue;
- }
- AAS_DecompressVis( aasworld.areavisibility[i], aasworld.numareas, aasworld.decompressedvis );
- size = AAS_CompressVis( aasworld.decompressedvis, aasworld.numareas, aasworld.decompressedvis );
- botimport.FS_Write(&size, sizeof(int), fp);
- botimport.FS_Write(aasworld.decompressedvis, size, fp);
- }
- */
- //
- botimport.FS_FCloseFile(fp);
- botimport.Print(PRT_MESSAGE, "\nroute cache written to %s\n", filename);
- botimport.Print(PRT_MESSAGE, "written %d bytes of routing cache\n", totalsize);
-} //end of the function AAS_WriteRouteCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-aas_routingcache_t *AAS_ReadCache(fileHandle_t fp)
-{
- int size;
- aas_routingcache_t *cache;
-
- botimport.FS_Read(&size, sizeof(size), fp);
- cache = (aas_routingcache_t *) GetMemory(size);
- cache->size = size;
- botimport.FS_Read((unsigned char *)cache + sizeof(size), size - sizeof(size), fp);
- cache->reachabilities = (unsigned char *) cache + sizeof(aas_routingcache_t) - sizeof(unsigned short) +
- (size - sizeof(aas_routingcache_t) + sizeof(unsigned short)) / 3 * 2;
- return cache;
-} //end of the function AAS_ReadCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_ReadRouteCache(void)
-{
- int i, clusterareanum;//, size;
- fileHandle_t fp;
- char filename[MAX_QPATH];
- routecacheheader_t routecacheheader;
- aas_routingcache_t *cache;
-
- Com_sprintf(filename, MAX_QPATH, "maps/%s.rcd", aasworld.mapname);
- botimport.FS_FOpenFile( filename, &fp, FS_READ );
- if (!fp)
- {
- return qfalse;
- } //end if
- botimport.FS_Read(&routecacheheader, sizeof(routecacheheader_t), fp );
- if (routecacheheader.ident != RCID)
- {
- AAS_Error("%s is not a route cache dump\n");
- return qfalse;
- } //end if
- if (routecacheheader.version != RCVERSION)
- {
- AAS_Error("route cache dump has wrong version %d, should be %d", routecacheheader.version, RCVERSION);
- return qfalse;
- } //end if
- if (routecacheheader.numareas != aasworld.numareas)
- {
- //AAS_Error("route cache dump has wrong number of areas\n");
- return qfalse;
- } //end if
- if (routecacheheader.numclusters != aasworld.numclusters)
- {
- //AAS_Error("route cache dump has wrong number of clusters\n");
- return qfalse;
- } //end if
- if (routecacheheader.areacrc !=
- CRC_ProcessString( (unsigned char *)aasworld.areas, sizeof(aas_area_t) * aasworld.numareas ))
- {
- //AAS_Error("route cache dump area CRC incorrect\n");
- return qfalse;
- } //end if
- if (routecacheheader.clustercrc !=
- CRC_ProcessString( (unsigned char *)aasworld.clusters, sizeof(aas_cluster_t) * aasworld.numclusters ))
- {
- //AAS_Error("route cache dump cluster CRC incorrect\n");
- return qfalse;
- } //end if
- //read all the portal cache
- for (i = 0; i < routecacheheader.numportalcache; i++)
- {
- cache = AAS_ReadCache(fp);
- cache->next = aasworld.portalcache[cache->areanum];
- cache->prev = NULL;
- if (aasworld.portalcache[cache->areanum])
- aasworld.portalcache[cache->areanum]->prev = cache;
- aasworld.portalcache[cache->areanum] = cache;
- } //end for
- //read all the cluster area cache
- for (i = 0; i < routecacheheader.numareacache; i++)
- {
- cache = AAS_ReadCache(fp);
- clusterareanum = AAS_ClusterAreaNum(cache->cluster, cache->areanum);
- cache->next = aasworld.clusterareacache[cache->cluster][clusterareanum];
- cache->prev = NULL;
- if (aasworld.clusterareacache[cache->cluster][clusterareanum])
- aasworld.clusterareacache[cache->cluster][clusterareanum]->prev = cache;
- aasworld.clusterareacache[cache->cluster][clusterareanum] = cache;
- } //end for
- // read the visareas
- /*
- aasworld.areavisibility = (byte **) GetClearedMemory(aasworld.numareas * sizeof(byte *));
- aasworld.decompressedvis = (byte *) GetClearedMemory(aasworld.numareas * sizeof(byte));
- for (i = 0; i < aasworld.numareas; i++)
- {
- botimport.FS_Read(&size, sizeof(size), fp );
- if (size) {
- aasworld.areavisibility[i] = (byte *) GetMemory(size);
- botimport.FS_Read(aasworld.areavisibility[i], size, fp );
- }
- }
- */
- //
- botimport.FS_FCloseFile(fp);
- return qtrue;
-} //end of the function AAS_ReadRouteCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-#define MAX_REACHABILITYPASSAREAS 32
-
-void AAS_InitReachabilityAreas(void)
-{
- int i, j, numareas, areas[MAX_REACHABILITYPASSAREAS];
- int numreachareas;
- aas_reachability_t *reach;
- vec3_t start, end;
-
- if (aasworld.reachabilityareas)
- FreeMemory(aasworld.reachabilityareas);
- if (aasworld.reachabilityareaindex)
- FreeMemory(aasworld.reachabilityareaindex);
-
- aasworld.reachabilityareas = (aas_reachabilityareas_t *)
- GetClearedMemory(aasworld.reachabilitysize * sizeof(aas_reachabilityareas_t));
- aasworld.reachabilityareaindex = (int *)
- GetClearedMemory(aasworld.reachabilitysize * MAX_REACHABILITYPASSAREAS * sizeof(int));
- numreachareas = 0;
- for (i = 0; i < aasworld.reachabilitysize; i++)
- {
- reach = &aasworld.reachability[i];
- numareas = 0;
- switch(reach->traveltype & TRAVELTYPE_MASK)
- {
- //trace areas from start to end
- case TRAVEL_BARRIERJUMP:
- case TRAVEL_WATERJUMP:
- VectorCopy(reach->start, end);
- end[2] = reach->end[2];
- numareas = AAS_TraceAreas(reach->start, end, areas, NULL, MAX_REACHABILITYPASSAREAS);
- break;
- case TRAVEL_WALKOFFLEDGE:
- VectorCopy(reach->end, start);
- start[2] = reach->start[2];
- numareas = AAS_TraceAreas(start, reach->end, areas, NULL, MAX_REACHABILITYPASSAREAS);
- break;
- case TRAVEL_GRAPPLEHOOK:
- numareas = AAS_TraceAreas(reach->start, reach->end, areas, NULL, MAX_REACHABILITYPASSAREAS);
- break;
-
- //trace arch
- case TRAVEL_JUMP: break;
- case TRAVEL_ROCKETJUMP: break;
- case TRAVEL_BFGJUMP: break;
- case TRAVEL_JUMPPAD: break;
-
- //trace from reach->start to entity center, along entity movement
- //and from entity center to reach->end
- case TRAVEL_ELEVATOR: break;
- case TRAVEL_FUNCBOB: break;
-
- //no areas in between
- case TRAVEL_WALK: break;
- case TRAVEL_CROUCH: break;
- case TRAVEL_LADDER: break;
- case TRAVEL_SWIM: break;
- case TRAVEL_TELEPORT: break;
- default: break;
- } //end switch
- aasworld.reachabilityareas[i].firstarea = numreachareas;
- aasworld.reachabilityareas[i].numareas = numareas;
- for (j = 0; j < numareas; j++)
- {
- aasworld.reachabilityareaindex[numreachareas++] = areas[j];
- } //end for
- } //end for
-} //end of the function AAS_InitReachabilityAreas
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_InitRouting(void)
-{
- AAS_InitTravelFlagFromType();
- //
- AAS_InitAreaContentsTravelFlags();
- //initialize the routing update fields
- AAS_InitRoutingUpdate();
- //create reversed reachability links used by the routing update algorithm
- AAS_CreateReversedReachability();
- //initialize the cluster cache
- AAS_InitClusterAreaCache();
- //initialize portal cache
- AAS_InitPortalCache();
- //initialize the area travel times
- AAS_CalculateAreaTravelTimes();
- //calculate the maximum travel times through portals
- AAS_InitPortalMaxTravelTimes();
- //get the areas reachabilities go through
- AAS_InitReachabilityAreas();
- //
-#ifdef ROUTING_DEBUG
- numareacacheupdates = 0;
- numportalcacheupdates = 0;
-#endif //ROUTING_DEBUG
- //
- routingcachesize = 0;
- max_routingcachesize = 1024 * (int) LibVarValue("max_routingcache", "4096");
- // read any routing cache if available
- AAS_ReadRouteCache();
-} //end of the function AAS_InitRouting
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_FreeRoutingCaches(void)
-{
- // free all the existing cluster area cache
- AAS_FreeAllClusterAreaCache();
- // free all the existing portal cache
- AAS_FreeAllPortalCache();
- // free cached travel times within areas
- if (aasworld.areatraveltimes) FreeMemory(aasworld.areatraveltimes);
- aasworld.areatraveltimes = NULL;
- // free cached maximum travel time through cluster portals
- if (aasworld.portalmaxtraveltimes) FreeMemory(aasworld.portalmaxtraveltimes);
- aasworld.portalmaxtraveltimes = NULL;
- // free reversed reachability links
- if (aasworld.reversedreachability) FreeMemory(aasworld.reversedreachability);
- aasworld.reversedreachability = NULL;
- // free routing algorithm memory
- if (aasworld.areaupdate) FreeMemory(aasworld.areaupdate);
- aasworld.areaupdate = NULL;
- if (aasworld.portalupdate) FreeMemory(aasworld.portalupdate);
- aasworld.portalupdate = NULL;
- // free lists with areas the reachabilities go through
- if (aasworld.reachabilityareas) FreeMemory(aasworld.reachabilityareas);
- aasworld.reachabilityareas = NULL;
- // free the reachability area index
- if (aasworld.reachabilityareaindex) FreeMemory(aasworld.reachabilityareaindex);
- aasworld.reachabilityareaindex = NULL;
- // free area contents travel flags look up table
- if (aasworld.areacontentstravelflags) FreeMemory(aasworld.areacontentstravelflags);
- aasworld.areacontentstravelflags = NULL;
-} //end of the function AAS_FreeRoutingCaches
-//===========================================================================
-// update the given routing cache
-//
-// Parameter: areacache : routing cache to update
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_UpdateAreaRoutingCache(aas_routingcache_t *areacache)
-{
- int i, nextareanum, cluster, badtravelflags, clusterareanum, linknum;
- int numreachabilityareas;
- unsigned short int t, startareatraveltimes[128]; //NOTE: not more than 128 reachabilities per area allowed
- aas_routingupdate_t *updateliststart, *updatelistend, *curupdate, *nextupdate;
- aas_reachability_t *reach;
- aas_reversedreachability_t *revreach;
- aas_reversedlink_t *revlink;
-
-#ifdef ROUTING_DEBUG
- numareacacheupdates++;
-#endif //ROUTING_DEBUG
- //number of reachability areas within this cluster
- numreachabilityareas = aasworld.clusters[areacache->cluster].numreachabilityareas;
- //
- aasworld.frameroutingupdates++;
- //clear the routing update fields
-// Com_Memset(aasworld.areaupdate, 0, aasworld.numareas * sizeof(aas_routingupdate_t));
- //
- badtravelflags = ~areacache->travelflags;
- //
- clusterareanum = AAS_ClusterAreaNum(areacache->cluster, areacache->areanum);
- if (clusterareanum >= numreachabilityareas) return;
- //
- Com_Memset(startareatraveltimes, 0, sizeof(startareatraveltimes));
- //
- curupdate = &aasworld.areaupdate[clusterareanum];
- curupdate->areanum = areacache->areanum;
- //VectorCopy(areacache->origin, curupdate->start);
- curupdate->areatraveltimes = startareatraveltimes;
- curupdate->tmptraveltime = areacache->starttraveltime;
- //
- areacache->traveltimes[clusterareanum] = areacache->starttraveltime;
- //put the area to start with in the current read list
- curupdate->next = NULL;
- curupdate->prev = NULL;
- updateliststart = curupdate;
- updatelistend = curupdate;
- //while there are updates in the current list
- while (updateliststart)
- {
- curupdate = updateliststart;
- //
- if (curupdate->next) curupdate->next->prev = NULL;
- else updatelistend = NULL;
- updateliststart = curupdate->next;
- //
- curupdate->inlist = qfalse;
- //check all reversed reachability links
- revreach = &aasworld.reversedreachability[curupdate->areanum];
- //
- for (i = 0, revlink = revreach->first; revlink; revlink = revlink->next, i++)
- {
- linknum = revlink->linknum;
- reach = &aasworld.reachability[linknum];
- //if there is used an undesired travel type
- if (AAS_TravelFlagForType_inline(reach->traveltype) & badtravelflags) continue;
- //if not allowed to enter the next area
- if (aasworld.areasettings[reach->areanum].areaflags & AREA_DISABLED) continue;
- //if the next area has a not allowed travel flag
- if (AAS_AreaContentsTravelFlags_inline(reach->areanum) & badtravelflags) continue;
- //number of the area the reversed reachability leads to
- nextareanum = revlink->areanum;
- //get the cluster number of the area
- cluster = aasworld.areasettings[nextareanum].cluster;
- //don't leave the cluster
- if (cluster > 0 && cluster != areacache->cluster) continue;
- //get the number of the area in the cluster
- clusterareanum = AAS_ClusterAreaNum(areacache->cluster, nextareanum);
- if (clusterareanum >= numreachabilityareas) continue;
- //time already travelled plus the traveltime through
- //the current area plus the travel time from the reachability
- t = curupdate->tmptraveltime +
- //AAS_AreaTravelTime(curupdate->areanum, curupdate->start, reach->end) +
- curupdate->areatraveltimes[i] +
- reach->traveltime;
- //
- if (!areacache->traveltimes[clusterareanum] ||
- areacache->traveltimes[clusterareanum] > t)
- {
- areacache->traveltimes[clusterareanum] = t;
- areacache->reachabilities[clusterareanum] = linknum - aasworld.areasettings[nextareanum].firstreachablearea;
- nextupdate = &aasworld.areaupdate[clusterareanum];
- nextupdate->areanum = nextareanum;
- nextupdate->tmptraveltime = t;
- //VectorCopy(reach->start, nextupdate->start);
- nextupdate->areatraveltimes = aasworld.areatraveltimes[nextareanum][linknum -
- aasworld.areasettings[nextareanum].firstreachablearea];
- if (!nextupdate->inlist)
- {
- // we add the update to the end of the list
- // we could also use a B+ tree to have a real sorted list
- // on travel time which makes for faster routing updates
- nextupdate->next = NULL;
- nextupdate->prev = updatelistend;
- if (updatelistend) updatelistend->next = nextupdate;
- else updateliststart = nextupdate;
- updatelistend = nextupdate;
- nextupdate->inlist = qtrue;
- } //end if
- } //end if
- } //end for
- } //end while
-} //end of the function AAS_UpdateAreaRoutingCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-aas_routingcache_t *AAS_GetAreaRoutingCache(int clusternum, int areanum, int travelflags)
-{
- int clusterareanum;
- aas_routingcache_t *cache, *clustercache;
-
- //number of the area in the cluster
- clusterareanum = AAS_ClusterAreaNum(clusternum, areanum);
- //pointer to the cache for the area in the cluster
- clustercache = aasworld.clusterareacache[clusternum][clusterareanum];
- //find the cache without undesired travel flags
- for (cache = clustercache; cache; cache = cache->next)
- {
- //if there aren't used any undesired travel types for the cache
- if (cache->travelflags == travelflags) break;
- } //end for
- //if there was no cache
- if (!cache)
- {
- cache = AAS_AllocRoutingCache(aasworld.clusters[clusternum].numreachabilityareas);
- cache->cluster = clusternum;
- cache->areanum = areanum;
- VectorCopy(aasworld.areas[areanum].center, cache->origin);
- cache->starttraveltime = 1;
- cache->travelflags = travelflags;
- cache->prev = NULL;
- cache->next = clustercache;
- if (clustercache) clustercache->prev = cache;
- aasworld.clusterareacache[clusternum][clusterareanum] = cache;
- AAS_UpdateAreaRoutingCache(cache);
- } //end if
- else
- {
- AAS_UnlinkCache(cache);
- } //end else
- //the cache has been accessed
- cache->time = AAS_RoutingTime();
- cache->type = CACHETYPE_AREA;
- AAS_LinkCache(cache);
- return cache;
-} //end of the function AAS_GetAreaRoutingCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_UpdatePortalRoutingCache(aas_routingcache_t *portalcache)
-{
- int i, portalnum, clusterareanum, clusternum;
- unsigned short int t;
- aas_portal_t *portal;
- aas_cluster_t *cluster;
- aas_routingcache_t *cache;
- aas_routingupdate_t *updateliststart, *updatelistend, *curupdate, *nextupdate;
-
-#ifdef ROUTING_DEBUG
- numportalcacheupdates++;
-#endif //ROUTING_DEBUG
- //clear the routing update fields
-// Com_Memset(aasworld.portalupdate, 0, (aasworld.numportals+1) * sizeof(aas_routingupdate_t));
- //
- curupdate = &aasworld.portalupdate[aasworld.numportals];
- curupdate->cluster = portalcache->cluster;
- curupdate->areanum = portalcache->areanum;
- curupdate->tmptraveltime = portalcache->starttraveltime;
- //if the start area is a cluster portal, store the travel time for that portal
- clusternum = aasworld.areasettings[portalcache->areanum].cluster;
- if (clusternum < 0)
- {
- portalcache->traveltimes[-clusternum] = portalcache->starttraveltime;
- } //end if
- //put the area to start with in the current read list
- curupdate->next = NULL;
- curupdate->prev = NULL;
- updateliststart = curupdate;
- updatelistend = curupdate;
- //while there are updates in the current list
- while (updateliststart)
- {
- curupdate = updateliststart;
- //remove the current update from the list
- if (curupdate->next) curupdate->next->prev = NULL;
- else updatelistend = NULL;
- updateliststart = curupdate->next;
- //current update is removed from the list
- curupdate->inlist = qfalse;
- //
- cluster = &aasworld.clusters[curupdate->cluster];
- //
- cache = AAS_GetAreaRoutingCache(curupdate->cluster,
- curupdate->areanum, portalcache->travelflags);
- //take all portals of the cluster
- for (i = 0; i < cluster->numportals; i++)
- {
- portalnum = aasworld.portalindex[cluster->firstportal + i];
- portal = &aasworld.portals[portalnum];
- //if this is the portal of the current update continue
- if (portal->areanum == curupdate->areanum) continue;
- //
- clusterareanum = AAS_ClusterAreaNum(curupdate->cluster, portal->areanum);
- if (clusterareanum >= cluster->numreachabilityareas) continue;
- //
- t = cache->traveltimes[clusterareanum];
- if (!t) continue;
- t += curupdate->tmptraveltime;
- //
- if (!portalcache->traveltimes[portalnum] ||
- portalcache->traveltimes[portalnum] > t)
- {
- portalcache->traveltimes[portalnum] = t;
- nextupdate = &aasworld.portalupdate[portalnum];
- if (portal->frontcluster == curupdate->cluster)
- {
- nextupdate->cluster = portal->backcluster;
- } //end if
- else
- {
- nextupdate->cluster = portal->frontcluster;
- } //end else
- nextupdate->areanum = portal->areanum;
- //add travel time through the actual portal area for the next update
- nextupdate->tmptraveltime = t + aasworld.portalmaxtraveltimes[portalnum];
- if (!nextupdate->inlist)
- {
- // we add the update to the end of the list
- // we could also use a B+ tree to have a real sorted list
- // on travel time which makes for faster routing updates
- nextupdate->next = NULL;
- nextupdate->prev = updatelistend;
- if (updatelistend) updatelistend->next = nextupdate;
- else updateliststart = nextupdate;
- updatelistend = nextupdate;
- nextupdate->inlist = qtrue;
- } //end if
- } //end if
- } //end for
- } //end while
-} //end of the function AAS_UpdatePortalRoutingCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-aas_routingcache_t *AAS_GetPortalRoutingCache(int clusternum, int areanum, int travelflags)
-{
- aas_routingcache_t *cache;
-
- //find the cached portal routing if existing
- for (cache = aasworld.portalcache[areanum]; cache; cache = cache->next)
- {
- if (cache->travelflags == travelflags) break;
- } //end for
- //if the portal routing isn't cached
- if (!cache)
- {
- cache = AAS_AllocRoutingCache(aasworld.numportals);
- cache->cluster = clusternum;
- cache->areanum = areanum;
- VectorCopy(aasworld.areas[areanum].center, cache->origin);
- cache->starttraveltime = 1;
- cache->travelflags = travelflags;
- //add the cache to the cache list
- cache->prev = NULL;
- cache->next = aasworld.portalcache[areanum];
- if (aasworld.portalcache[areanum]) aasworld.portalcache[areanum]->prev = cache;
- aasworld.portalcache[areanum] = cache;
- //update the cache
- AAS_UpdatePortalRoutingCache(cache);
- } //end if
- else
- {
- AAS_UnlinkCache(cache);
- } //end else
- //the cache has been accessed
- cache->time = AAS_RoutingTime();
- cache->type = CACHETYPE_PORTAL;
- AAS_LinkCache(cache);
- return cache;
-} //end of the function AAS_GetPortalRoutingCache
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_AreaRouteToGoalArea(int areanum, vec3_t origin, int goalareanum, int travelflags, int *traveltime, int *reachnum)
-{
- int clusternum, goalclusternum, portalnum, i, clusterareanum, bestreachnum;
- unsigned short int t, besttime;
- aas_portal_t *portal;
- aas_cluster_t *cluster;
- aas_routingcache_t *areacache, *portalcache;
- aas_reachability_t *reach;
-
- if (!aasworld.initialized) return qfalse;
-
- if (areanum == goalareanum)
- {
- *traveltime = 1;
- *reachnum = 0;
- return qtrue;
- }
- //
- if (areanum <= 0 || areanum >= aasworld.numareas)
- {
- if (bot_developer)
- {
- botimport.Print(PRT_ERROR, "AAS_AreaTravelTimeToGoalArea: areanum %d out of range\n", areanum);
- } //end if
- return qfalse;
- } //end if
- if (goalareanum <= 0 || goalareanum >= aasworld.numareas)
- {
- if (bot_developer)
- {
- botimport.Print(PRT_ERROR, "AAS_AreaTravelTimeToGoalArea: goalareanum %d out of range\n", goalareanum);
- } //end if
- return qfalse;
- } //end if
- // make sure the routing cache doesn't grow to large
- while(AvailableMemory() < 1 * 1024 * 1024) {
- if (!AAS_FreeOldestCache()) break;
- }
- //
- if (AAS_AreaDoNotEnter(areanum) || AAS_AreaDoNotEnter(goalareanum))
- {
- travelflags |= TFL_DONOTENTER;
- } //end if
- //NOTE: the number of routing updates is limited per frame
- /*
- if (aasworld.frameroutingupdates > MAX_FRAMEROUTINGUPDATES)
- {
-#ifdef DEBUG
- //Log_Write("WARNING: AAS_AreaTravelTimeToGoalArea: frame routing updates overflowed");
-#endif
- return 0;
- } //end if
- */
- //
- clusternum = aasworld.areasettings[areanum].cluster;
- goalclusternum = aasworld.areasettings[goalareanum].cluster;
- //check if the area is a portal of the goal area cluster
- if (clusternum < 0 && goalclusternum > 0)
- {
- portal = &aasworld.portals[-clusternum];
- if (portal->frontcluster == goalclusternum ||
- portal->backcluster == goalclusternum)
- {
- clusternum = goalclusternum;
- } //end if
- } //end if
- //check if the goalarea is a portal of the area cluster
- else if (clusternum > 0 && goalclusternum < 0)
- {
- portal = &aasworld.portals[-goalclusternum];
- if (portal->frontcluster == clusternum ||
- portal->backcluster == clusternum)
- {
- goalclusternum = clusternum;
- } //end if
- } //end if
- //if both areas are in the same cluster
- //NOTE: there might be a shorter route via another cluster!!! but we don't care
- if (clusternum > 0 && goalclusternum > 0 && clusternum == goalclusternum)
- {
- //
- areacache = AAS_GetAreaRoutingCache(clusternum, goalareanum, travelflags);
- //the number of the area in the cluster
- clusterareanum = AAS_ClusterAreaNum(clusternum, areanum);
- //the cluster the area is in
- cluster = &aasworld.clusters[clusternum];
- //if the area is NOT a reachability area
- if (clusterareanum >= cluster->numreachabilityareas) return 0;
- //if it is possible to travel to the goal area through this cluster
- if (areacache->traveltimes[clusterareanum] != 0)
- {
- *reachnum = aasworld.areasettings[areanum].firstreachablearea +
- areacache->reachabilities[clusterareanum];
- if (!origin) {
- *traveltime = areacache->traveltimes[clusterareanum];
- return qtrue;
- }
- reach = &aasworld.reachability[*reachnum];
- *traveltime = areacache->traveltimes[clusterareanum] +
- AAS_AreaTravelTime(areanum, origin, reach->start);
- //
- return qtrue;
- } //end if
- } //end if
- //
- clusternum = aasworld.areasettings[areanum].cluster;
- goalclusternum = aasworld.areasettings[goalareanum].cluster;
- //if the goal area is a portal
- if (goalclusternum < 0)
- {
- //just assume the goal area is part of the front cluster
- portal = &aasworld.portals[-goalclusternum];
- goalclusternum = portal->frontcluster;
- } //end if
- //get the portal routing cache
- portalcache = AAS_GetPortalRoutingCache(goalclusternum, goalareanum, travelflags);
- //if the area is a cluster portal, read directly from the portal cache
- if (clusternum < 0)
- {
- *traveltime = portalcache->traveltimes[-clusternum];
- *reachnum = aasworld.areasettings[areanum].firstreachablearea +
- portalcache->reachabilities[-clusternum];
- return qtrue;
- } //end if
- //
- besttime = 0;
- bestreachnum = -1;
- //the cluster the area is in
- cluster = &aasworld.clusters[clusternum];
- //find the portal of the area cluster leading towards the goal area
- for (i = 0; i < cluster->numportals; i++)
- {
- portalnum = aasworld.portalindex[cluster->firstportal + i];
- //if the goal area isn't reachable from the portal
- if (!portalcache->traveltimes[portalnum]) continue;
- //
- portal = &aasworld.portals[portalnum];
- //get the cache of the portal area
- areacache = AAS_GetAreaRoutingCache(clusternum, portal->areanum, travelflags);
- //current area inside the current cluster
- clusterareanum = AAS_ClusterAreaNum(clusternum, areanum);
- //if the area is NOT a reachability area
- if (clusterareanum >= cluster->numreachabilityareas) continue;
- //if the portal is NOT reachable from this area
- if (!areacache->traveltimes[clusterareanum]) continue;
- //total travel time is the travel time the portal area is from
- //the goal area plus the travel time towards the portal area
- t = portalcache->traveltimes[portalnum] + areacache->traveltimes[clusterareanum];
- //FIXME: add the exact travel time through the actual portal area
- //NOTE: for now we just add the largest travel time through the portal area
- // because we can't directly calculate the exact travel time
- // to be more specific we don't know which reachability was used to travel
- // into the portal area
- t += aasworld.portalmaxtraveltimes[portalnum];
- //
- if (origin)
- {
- *reachnum = aasworld.areasettings[areanum].firstreachablearea +
- areacache->reachabilities[clusterareanum];
- reach = aasworld.reachability + *reachnum;
- t += AAS_AreaTravelTime(areanum, origin, reach->start);
- } //end if
- //if the time is better than the one already found
- if (!besttime || t < besttime)
- {
- bestreachnum = *reachnum;
- besttime = t;
- } //end if
- } //end for
- if (bestreachnum < 0) {
- return qfalse;
- }
- *reachnum = bestreachnum;
- *traveltime = besttime;
- return qtrue;
-} //end of the function AAS_AreaRouteToGoalArea
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_AreaTravelTimeToGoalArea(int areanum, vec3_t origin, int goalareanum, int travelflags)
-{
- int traveltime, reachnum;
-
- if (AAS_AreaRouteToGoalArea(areanum, origin, goalareanum, travelflags, &traveltime, &reachnum))
- {
- return traveltime;
- }
- return 0;
-} //end of the function AAS_AreaTravelTimeToGoalArea
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_AreaReachabilityToGoalArea(int areanum, vec3_t origin, int goalareanum, int travelflags)
-{
- int traveltime, reachnum;
-
- if (AAS_AreaRouteToGoalArea(areanum, origin, goalareanum, travelflags, &traveltime, &reachnum))
- {
- return reachnum;
- }
- return 0;
-} //end of the function AAS_AreaReachabilityToGoalArea
-//===========================================================================
-// predict the route and stop on one of the stop events
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_PredictRoute(struct aas_predictroute_s *route, int areanum, vec3_t origin,
- int goalareanum, int travelflags, int maxareas, int maxtime,
- int stopevent, int stopcontents, int stoptfl, int stopareanum)
-{
- int curareanum, reachnum, i, j, testareanum;
- vec3_t curorigin;
- aas_reachability_t *reach;
- aas_reachabilityareas_t *reachareas;
-
- //init output
- route->stopevent = RSE_NONE;
- route->endarea = goalareanum;
- route->endcontents = 0;
- route->endtravelflags = 0;
- VectorCopy(origin, route->endpos);
- route->time = 0;
-
- curareanum = areanum;
- VectorCopy(origin, curorigin);
-
- for (i = 0; curareanum != goalareanum && (!maxareas || i < maxareas) && i < aasworld.numareas; i++)
- {
- reachnum = AAS_AreaReachabilityToGoalArea(curareanum, curorigin, goalareanum, travelflags);
- if (!reachnum)
- {
- route->stopevent = RSE_NOROUTE;
- return qfalse;
- } //end if
- reach = &aasworld.reachability[reachnum];
- //
- if (stopevent & RSE_USETRAVELTYPE)
- {
- if (AAS_TravelFlagForType_inline(reach->traveltype) & stoptfl)
- {
- route->stopevent = RSE_USETRAVELTYPE;
- route->endarea = curareanum;
- route->endcontents = aasworld.areasettings[curareanum].contents;
- route->endtravelflags = AAS_TravelFlagForType_inline(reach->traveltype);
- VectorCopy(reach->start, route->endpos);
- return qtrue;
- } //end if
- if (AAS_AreaContentsTravelFlags_inline(reach->areanum) & stoptfl)
- {
- route->stopevent = RSE_USETRAVELTYPE;
- route->endarea = reach->areanum;
- route->endcontents = aasworld.areasettings[reach->areanum].contents;
- route->endtravelflags = AAS_AreaContentsTravelFlags_inline(reach->areanum);
- VectorCopy(reach->end, route->endpos);
- route->time += AAS_AreaTravelTime(areanum, origin, reach->start);
- route->time += reach->traveltime;
- return qtrue;
- } //end if
- } //end if
- reachareas = &aasworld.reachabilityareas[reachnum];
- for (j = 0; j < reachareas->numareas + 1; j++)
- {
- if (j >= reachareas->numareas)
- testareanum = reach->areanum;
- else
- testareanum = aasworld.reachabilityareaindex[reachareas->firstarea + j];
- if (stopevent & RSE_ENTERCONTENTS)
- {
- if (aasworld.areasettings[testareanum].contents & stopcontents)
- {
- route->stopevent = RSE_ENTERCONTENTS;
- route->endarea = testareanum;
- route->endcontents = aasworld.areasettings[testareanum].contents;
- VectorCopy(reach->end, route->endpos);
- route->time += AAS_AreaTravelTime(areanum, origin, reach->start);
- route->time += reach->traveltime;
- return qtrue;
- } //end if
- } //end if
- if (stopevent & RSE_ENTERAREA)
- {
- if (testareanum == stopareanum)
- {
- route->stopevent = RSE_ENTERAREA;
- route->endarea = testareanum;
- route->endcontents = aasworld.areasettings[testareanum].contents;
- VectorCopy(reach->start, route->endpos);
- return qtrue;
- } //end if
- } //end if
- } //end for
-
- route->time += AAS_AreaTravelTime(areanum, origin, reach->start);
- route->time += reach->traveltime;
- route->endarea = reach->areanum;
- route->endcontents = aasworld.areasettings[reach->areanum].contents;
- route->endtravelflags = AAS_TravelFlagForType_inline(reach->traveltype);
- VectorCopy(reach->end, route->endpos);
- //
- curareanum = reach->areanum;
- VectorCopy(reach->end, curorigin);
- //
- if (maxtime && route->time > maxtime)
- break;
- } //end while
- if (curareanum != goalareanum)
- return qfalse;
- return qtrue;
-} //end of the function AAS_PredictRoute
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_BridgeWalkable(int areanum)
-{
- return qfalse;
-} //end of the function AAS_BridgeWalkable
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-void AAS_ReachabilityFromNum(int num, struct aas_reachability_s *reach)
-{
- if (!aasworld.initialized)
- {
- Com_Memset(reach, 0, sizeof(aas_reachability_t));
- return;
- } //end if
- if (num < 0 || num >= aasworld.reachabilitysize)
- {
- Com_Memset(reach, 0, sizeof(aas_reachability_t));
- return;
- } //end if
- Com_Memcpy(reach, &aasworld.reachability[num], sizeof(aas_reachability_t));;
-} //end of the function AAS_ReachabilityFromNum
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_NextAreaReachability(int areanum, int reachnum)
-{
- aas_areasettings_t *settings;
-
- if (!aasworld.initialized) return 0;
-
- if (areanum <= 0 || areanum >= aasworld.numareas)
- {
- botimport.Print(PRT_ERROR, "AAS_NextAreaReachability: areanum %d out of range\n", areanum);
- return 0;
- } //end if
-
- settings = &aasworld.areasettings[areanum];
- if (!reachnum)
- {
- return settings->firstreachablearea;
- } //end if
- if (reachnum < settings->firstreachablearea)
- {
- botimport.Print(PRT_FATAL, "AAS_NextAreaReachability: reachnum < settings->firstreachableara");
- return 0;
- } //end if
- reachnum++;
- if (reachnum >= settings->firstreachablearea + settings->numreachableareas)
- {
- return 0;
- } //end if
- return reachnum;
-} //end of the function AAS_NextAreaReachability
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_NextModelReachability(int num, int modelnum)
-{
- int i;
-
- if (num <= 0) num = 1;
- else if (num >= aasworld.reachabilitysize) return 0;
- else num++;
- //
- for (i = num; i < aasworld.reachabilitysize; i++)
- {
- if ((aasworld.reachability[i].traveltype & TRAVELTYPE_MASK) == TRAVEL_ELEVATOR)
- {
- if (aasworld.reachability[i].facenum == modelnum) return i;
- } //end if
- else if ((aasworld.reachability[i].traveltype & TRAVELTYPE_MASK) == TRAVEL_FUNCBOB)
- {
- if ((aasworld.reachability[i].facenum & 0x0000FFFF) == modelnum) return i;
- } //end if
- } //end for
- return 0;
-} //end of the function AAS_NextModelReachability
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_RandomGoalArea(int areanum, int travelflags, int *goalareanum, vec3_t goalorigin)
-{
- int i, n, t;
- vec3_t start, end;
- aas_trace_t trace;
-
- //if the area has no reachabilities
- if (!AAS_AreaReachability(areanum)) return qfalse;
- //
- n = aasworld.numareas * random();
- for (i = 0; i < aasworld.numareas; i++)
- {
- if (n <= 0) n = 1;
- if (n >= aasworld.numareas) n = 1;
- if (AAS_AreaReachability(n))
- {
- t = AAS_AreaTravelTimeToGoalArea(areanum, aasworld.areas[areanum].center, n, travelflags);
- //if the goal is reachable
- if (t > 0)
- {
- if (AAS_AreaSwim(n))
- {
- *goalareanum = n;
- VectorCopy(aasworld.areas[n].center, goalorigin);
- //botimport.Print(PRT_MESSAGE, "found random goal area %d\n", *goalareanum);
- return qtrue;
- } //end if
- VectorCopy(aasworld.areas[n].center, start);
- if (!AAS_PointAreaNum(start))
- Log_Write("area %d center %f %f %f in solid?", n, start[0], start[1], start[2]);
- VectorCopy(start, end);
- end[2] -= 300;
- trace = AAS_TraceClientBBox(start, end, PRESENCE_CROUCH, -1);
- if (!trace.startsolid && trace.fraction < 1 && AAS_PointAreaNum(trace.endpos) == n)
- {
- if (AAS_AreaGroundFaceArea(n) > 300)
- {
- *goalareanum = n;
- VectorCopy(trace.endpos, goalorigin);
- //botimport.Print(PRT_MESSAGE, "found random goal area %d\n", *goalareanum);
- return qtrue;
- } //end if
- } //end if
- } //end if
- } //end if
- n++;
- } //end for
- return qfalse;
-} //end of the function AAS_RandomGoalArea
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_AreaVisible(int srcarea, int destarea)
-{
- return qfalse;
-} //end of the function AAS_AreaVisible
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-float DistancePointToLine(vec3_t v1, vec3_t v2, vec3_t point)
-{
- vec3_t vec, p2;
-
- AAS_ProjectPointOntoVector(point, v1, v2, p2);
- VectorSubtract(point, p2, vec);
- return VectorLength(vec);
-} //end of the function DistancePointToLine
-//===========================================================================
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//===========================================================================
-int AAS_NearestHideArea(int srcnum, vec3_t origin, int areanum, int enemynum, vec3_t enemyorigin, int enemyareanum, int travelflags)
-{
- int i, j, nextareanum, badtravelflags, numreach, bestarea;
- unsigned short int t, besttraveltime;
- static unsigned short int *hidetraveltimes;
- aas_routingupdate_t *updateliststart, *updatelistend, *curupdate, *nextupdate;
- aas_reachability_t *reach;
- float dist1, dist2;
- vec3_t v1, v2, p;
- qboolean startVisible;
-
- //
- if (!hidetraveltimes)
- {
- hidetraveltimes = (unsigned short int *) GetClearedMemory(aasworld.numareas * sizeof(unsigned short int));
- } //end if
- else
- {
- Com_Memset(hidetraveltimes, 0, aasworld.numareas * sizeof(unsigned short int));
- } //end else
- besttraveltime = 0;
- bestarea = 0;
- //assume visible
- startVisible = qtrue;
- //
- badtravelflags = ~travelflags;
- //
- curupdate = &aasworld.areaupdate[areanum];
- curupdate->areanum = areanum;
- VectorCopy(origin, curupdate->start);
- curupdate->areatraveltimes = aasworld.areatraveltimes[areanum][0];
- curupdate->tmptraveltime = 0;
- //put the area to start with in the current read list
- curupdate->next = NULL;
- curupdate->prev = NULL;
- updateliststart = curupdate;
- updatelistend = curupdate;
- //while there are updates in the list
- while (updateliststart)
- {
- curupdate = updateliststart;
- //
- if (curupdate->next) curupdate->next->prev = NULL;
- else updatelistend = NULL;
- updateliststart = curupdate->next;
- //
- curupdate->inlist = qfalse;
- //check all reversed reachability links
- numreach = aasworld.areasettings[curupdate->areanum].numreachableareas;
- reach = &aasworld.reachability[aasworld.areasettings[curupdate->areanum].firstreachablearea];
- //
- for (i = 0; i < numreach; i++, reach++)
- {
- //if an undesired travel type is used
- if (AAS_TravelFlagForType_inline(reach->traveltype) & badtravelflags) continue;
- //
- if (AAS_AreaContentsTravelFlags_inline(reach->areanum) & badtravelflags) continue;
- //number of the area the reachability leads to
- nextareanum = reach->areanum;
- // if this moves us into the enemies area, skip it
- if (nextareanum == enemyareanum) continue;
- //time already travelled plus the traveltime through
- //the current area plus the travel time from the reachability
- t = curupdate->tmptraveltime +
- AAS_AreaTravelTime(curupdate->areanum, curupdate->start, reach->start) +
- reach->traveltime;
-
- //avoid going near the enemy
- AAS_ProjectPointOntoVector(enemyorigin, curupdate->start, reach->end, p);
- for (j = 0; j < 3; j++)
- if ((p[j] > curupdate->start[j] && p[j] > reach->end[j]) ||
- (p[j] < curupdate->start[j] && p[j] < reach->end[j]))
- break;
- if (j < 3)
- {
- VectorSubtract(enemyorigin, reach->end, v2);
- } //end if
- else
- {
- VectorSubtract(enemyorigin, p, v2);
- } //end else
- dist2 = VectorLength(v2);
- //never go through the enemy
- if (dist2 < 40) continue;
- //
- VectorSubtract(enemyorigin, curupdate->start, v1);
- dist1 = VectorLength(v1);
- //
- if (dist2 < dist1)
- {
- t += (dist1 - dist2) * 10;
- }
- // if we weren't visible when starting, make sure we don't move into their view
- if (!startVisible && AAS_AreaVisible(enemyareanum, nextareanum)) {
- continue;
- }
- //
- if (besttraveltime && t >= besttraveltime) continue;
- //
- if (!hidetraveltimes[nextareanum] ||
- hidetraveltimes[nextareanum] > t)
- {
- //if the nextarea is not visible from the enemy area
- if (!AAS_AreaVisible(enemyareanum, nextareanum))
- {
- besttraveltime = t;
- bestarea = nextareanum;
- } //end if
- hidetraveltimes[nextareanum] = t;
- nextupdate = &aasworld.areaupdate[nextareanum];
- nextupdate->areanum = nextareanum;
- nextupdate->tmptraveltime = t;
- //remember where we entered this area
- VectorCopy(reach->end, nextupdate->start);
- //if this update is not in the list yet
- if (!nextupdate->inlist)
- {
- //add the new update to the end of the list
- nextupdate->next = NULL;
- nextupdate->prev = updatelistend;
- if (updatelistend) updatelistend->next = nextupdate;
- else updateliststart = nextupdate;
- updatelistend = nextupdate;
- nextupdate->inlist = qtrue;
- } //end if
- } //end if
- } //end for
- } //end while
- return bestarea;
-} //end of the function AAS_NearestHideArea
generated by cgit (git 2.34.1) at 2024-11-14 22:45:37 +0000