From 952c5c128f9efaea89d41d882c4ea3ade7df4591 Mon Sep 17 00:00:00 2001 From: zakk Date: Fri, 26 Aug 2005 04:48:05 +0000 Subject: Itsa me, quake3io! git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea --- code/botlib/be_aas_routealt.c | 240 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100755 code/botlib/be_aas_routealt.c (limited to 'code/botlib/be_aas_routealt.c') diff --git a/code/botlib/be_aas_routealt.c b/code/botlib/be_aas_routealt.c new file mode 100755 index 0000000..fd7cb8d --- /dev/null +++ b/code/botlib/be_aas_routealt.c @@ -0,0 +1,240 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena source code 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. + +Quake III Arena source code 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 Foobar; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ + +/***************************************************************************** + * name: be_aas_routealt.c + * + * desc: AAS + * + * $Archive: /MissionPack/code/botlib/be_aas_routealt.c $ + * + *****************************************************************************/ + +#include "../game/q_shared.h" +#include "l_utils.h" +#include "l_memory.h" +#include "l_log.h" +#include "l_script.h" +#include "l_precomp.h" +#include "l_struct.h" +#include "aasfile.h" +#include "../game/botlib.h" +#include "../game/be_aas.h" +#include "be_aas_funcs.h" +#include "be_interface.h" +#include "be_aas_def.h" + +#define ENABLE_ALTROUTING +//#define ALTROUTE_DEBUG + +typedef struct midrangearea_s +{ + int valid; + unsigned short starttime; + unsigned short goaltime; +} midrangearea_t; + +midrangearea_t *midrangeareas; +int *clusterareas; +int numclusterareas; + +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void AAS_AltRoutingFloodCluster_r(int areanum) +{ + int i, otherareanum; + aas_area_t *area; + aas_face_t *face; + + //add the current area to the areas of the current cluster + clusterareas[numclusterareas] = areanum; + numclusterareas++; + //remove the area from the mid range areas + midrangeareas[areanum].valid = qfalse; + //flood to other areas through the faces of this area + area = &aasworld.areas[areanum]; + for (i = 0; i < area->numfaces; i++) + { + face = &aasworld.faces[abs(aasworld.faceindex[area->firstface + i])]; + //get the area at the other side of the face + if (face->frontarea == areanum) otherareanum = face->backarea; + else otherareanum = face->frontarea; + //if there is an area at the other side of this face + if (!otherareanum) continue; + //if the other area is not a midrange area + if (!midrangeareas[otherareanum].valid) continue; + // + AAS_AltRoutingFloodCluster_r(otherareanum); + } //end for +} //end of the function AAS_AltRoutingFloodCluster_r +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +int AAS_AlternativeRouteGoals(vec3_t start, int startareanum, vec3_t goal, int goalareanum, int travelflags, + aas_altroutegoal_t *altroutegoals, int maxaltroutegoals, + int type) +{ +#ifndef ENABLE_ALTROUTING + return 0; +#else + int i, j, bestareanum; + int numaltroutegoals, nummidrangeareas; + int starttime, goaltime, goaltraveltime; + float dist, bestdist; + vec3_t mid, dir; +#ifdef ALTROUTE_DEBUG + int startmillisecs; + + startmillisecs = Sys_MilliSeconds(); +#endif + + if (!startareanum || !goalareanum) + return 0; + //travel time towards the goal area + goaltraveltime = AAS_AreaTravelTimeToGoalArea(startareanum, start, goalareanum, travelflags); + //clear the midrange areas + Com_Memset(midrangeareas, 0, aasworld.numareas * sizeof(midrangearea_t)); + numaltroutegoals = 0; + // + nummidrangeareas = 0; + // + for (i = 1; i < aasworld.numareas; i++) + { + // + if (!(type & ALTROUTEGOAL_ALL)) + { + if (!(type & ALTROUTEGOAL_CLUSTERPORTALS && (aasworld.areasettings[i].contents & AREACONTENTS_CLUSTERPORTAL))) + { + if (!(type & ALTROUTEGOAL_VIEWPORTALS && (aasworld.areasettings[i].contents & AREACONTENTS_VIEWPORTAL))) + { + continue; + } //end if + } //end if + } //end if + //if the area has no reachabilities + if (!AAS_AreaReachability(i)) continue; + //tavel time from the area to the start area + starttime = AAS_AreaTravelTimeToGoalArea(startareanum, start, i, travelflags); + if (!starttime) continue; + //if the travel time from the start to the area is greater than the shortest goal travel time + if (starttime > (float) 1.1 * goaltraveltime) continue; + //travel time from the area to the goal area + goaltime = AAS_AreaTravelTimeToGoalArea(i, NULL, goalareanum, travelflags); + if (!goaltime) continue; + //if the travel time from the area to the goal is greater than the shortest goal travel time + if (goaltime > (float) 0.8 * goaltraveltime) continue; + //this is a mid range area + midrangeareas[i].valid = qtrue; + midrangeareas[i].starttime = starttime; + midrangeareas[i].goaltime = goaltime; + Log_Write("%d midrange area %d", nummidrangeareas, i); + nummidrangeareas++; + } //end for + // + for (i = 1; i < aasworld.numareas; i++) + { + if (!midrangeareas[i].valid) continue; + //get the areas in one cluster + numclusterareas = 0; + AAS_AltRoutingFloodCluster_r(i); + //now we've got a cluster with areas through which an alternative route could go + //get the 'center' of the cluster + VectorClear(mid); + for (j = 0; j < numclusterareas; j++) + { + VectorAdd(mid, aasworld.areas[clusterareas[j]].center, mid); + } //end for + VectorScale(mid, 1.0 / numclusterareas, mid); + //get the area closest to the center of the cluster + bestdist = 999999; + bestareanum = 0; + for (j = 0; j < numclusterareas; j++) + { + VectorSubtract(mid, aasworld.areas[clusterareas[j]].center, dir); + dist = VectorLength(dir); + if (dist < bestdist) + { + bestdist = dist; + bestareanum = clusterareas[j]; + } //end if + } //end for + //now we've got an area for an alternative route + //FIXME: add alternative goal origin + VectorCopy(aasworld.areas[bestareanum].center, altroutegoals[numaltroutegoals].origin); + altroutegoals[numaltroutegoals].areanum = bestareanum; + altroutegoals[numaltroutegoals].starttraveltime = midrangeareas[bestareanum].starttime; + altroutegoals[numaltroutegoals].goaltraveltime = midrangeareas[bestareanum].goaltime; + altroutegoals[numaltroutegoals].extratraveltime = + (midrangeareas[bestareanum].starttime + midrangeareas[bestareanum].goaltime) - + goaltraveltime; + numaltroutegoals++; + // +#ifdef ALTROUTE_DEBUG + AAS_ShowAreaPolygons(bestareanum, 1, qtrue); +#endif + //don't return more than the maximum alternative route goals + if (numaltroutegoals >= maxaltroutegoals) break; + } //end for +#ifdef ALTROUTE_DEBUG + botimport.Print(PRT_MESSAGE, "alternative route goals in %d msec\n", Sys_MilliSeconds() - startmillisecs); +#endif + return numaltroutegoals; +#endif +} //end of the function AAS_AlternativeRouteGoals +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void AAS_InitAlternativeRouting(void) +{ +#ifdef ENABLE_ALTROUTING + if (midrangeareas) FreeMemory(midrangeareas); + midrangeareas = (midrangearea_t *) GetMemory(aasworld.numareas * sizeof(midrangearea_t)); + if (clusterareas) FreeMemory(clusterareas); + clusterareas = (int *) GetMemory(aasworld.numareas * sizeof(int)); +#endif +} //end of the function AAS_InitAlternativeRouting +//=========================================================================== +// +// Parameter: - +// Returns: - +// Changes Globals: - +//=========================================================================== +void AAS_ShutdownAlternativeRouting(void) +{ +#ifdef ENABLE_ALTROUTING + if (midrangeareas) FreeMemory(midrangeareas); + midrangeareas = NULL; + if (clusterareas) FreeMemory(clusterareas); + clusterareas = NULL; + numclusterareas = 0; +#endif +} //end of the function AAS_ShutdownAlternativeRouting -- cgit v1.2.3