mirror of
https://github.com/Q3Rally-Team/q3rally.git
synced 2024-11-22 12:01:44 +00:00
240 lines
8.1 KiB
C
240 lines
8.1 KiB
C
/*
|
|
===========================================================================
|
|
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 Quake III Arena source code; 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 "../qcommon/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 "botlib.h"
|
|
#include "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
|