ref: 761946b93cf45a3b9e47868a704fb165af760333
dir: /code/botlib/be_aas_main.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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/*****************************************************************************
* name: be_aas_main.c
*
* desc: AAS
*
* $Archive: /MissionPack/code/botlib/be_aas_main.c $
*
*****************************************************************************/
#include "../game/q_shared.h"
#include "l_memory.h"
#include "l_libvar.h"
#include "l_utils.h"
#include "l_script.h"
#include "l_precomp.h"
#include "l_struct.h"
#include "l_log.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"
aas_t aasworld;
libvar_t *saveroutingcache;
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void QDECL AAS_Error(char *fmt, ...)
{
char str[1024];
va_list arglist;
va_start(arglist, fmt);
vsprintf(str, fmt, arglist);
va_end(arglist);
botimport.Print(PRT_FATAL, str);
} //end of the function AAS_Error
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
char *AAS_StringFromIndex(char *indexname, char *stringindex[], int numindexes, int index)
{
if (!aasworld.indexessetup)
{
botimport.Print(PRT_ERROR, "%s: index %d not setup\n", indexname, index);
return "";
} //end if
if (index < 0 || index >= numindexes)
{
botimport.Print(PRT_ERROR, "%s: index %d out of range\n", indexname, index);
return "";
} //end if
if (!stringindex[index])
{
if (index)
{
botimport.Print(PRT_ERROR, "%s: reference to unused index %d\n", indexname, index);
} //end if
return "";
} //end if
return stringindex[index];
} //end of the function AAS_StringFromIndex
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_IndexFromString(char *indexname, char *stringindex[], int numindexes, char *string)
{
int i;
if (!aasworld.indexessetup)
{
botimport.Print(PRT_ERROR, "%s: index not setup \"%s\"\n", indexname, string);
return 0;
} //end if
for (i = 0; i < numindexes; i++)
{
if (!stringindex[i]) continue;
if (!Q_stricmp(stringindex[i], string)) return i;
} //end for
return 0;
} //end of the function AAS_IndexFromString
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
char *AAS_ModelFromIndex(int index)
{
return AAS_StringFromIndex("ModelFromIndex", &aasworld.configstrings[CS_MODELS], MAX_MODELS, index);
} //end of the function AAS_ModelFromIndex
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_IndexFromModel(char *modelname)
{
return AAS_IndexFromString("IndexFromModel", &aasworld.configstrings[CS_MODELS], MAX_MODELS, modelname);
} //end of the function AAS_IndexFromModel
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_UpdateStringIndexes(int numconfigstrings, char *configstrings[])
{
int i;
//set string pointers and copy the strings
for (i = 0; i < numconfigstrings; i++)
{
if (configstrings[i])
{
//if (aasworld.configstrings[i]) FreeMemory(aasworld.configstrings[i]);
aasworld.configstrings[i] = (char *) GetMemory(strlen(configstrings[i]) + 1);
strcpy(aasworld.configstrings[i], configstrings[i]);
} //end if
} //end for
aasworld.indexessetup = qtrue;
} //end of the function AAS_UpdateStringIndexes
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_Loaded(void)
{
return aasworld.loaded;
} //end of the function AAS_Loaded
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_Initialized(void)
{
return aasworld.initialized;
} //end of the function AAS_Initialized
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_SetInitialized(void)
{
aasworld.initialized = qtrue;
botimport.Print(PRT_MESSAGE, "AAS initialized.\n");
#ifdef DEBUG
//create all the routing cache
//AAS_CreateAllRoutingCache();
//
//AAS_RoutingInfo();
#endif
} //end of the function AAS_SetInitialized
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_ContinueInit(float time)
{
//if no AAS file loaded
if (!aasworld.loaded) return;
//if AAS is already initialized
if (aasworld.initialized) return;
//calculate reachability, if not finished return
if (AAS_ContinueInitReachability(time)) return;
//initialize clustering for the new map
AAS_InitClustering();
//if reachability has been calculated and an AAS file should be written
//or there is a forced data optimization
if (aasworld.savefile || ((int)LibVarGetValue("forcewrite")))
{
//optimize the AAS data
if ((int)LibVarValue("aasoptimize", "0")) AAS_Optimize();
//save the AAS file
if (AAS_WriteAASFile(aasworld.filename))
{
botimport.Print(PRT_MESSAGE, "%s written succesfully\n", aasworld.filename);
} //end if
else
{
botimport.Print(PRT_ERROR, "couldn't write %s\n", aasworld.filename);
} //end else
} //end if
//initialize the routing
AAS_InitRouting();
//at this point AAS is initialized
AAS_SetInitialized();
} //end of the function AAS_ContinueInit
//===========================================================================
// called at the start of every frame
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_StartFrame(float time)
{
aasworld.time = time;
//unlink all entities that were not updated last frame
AAS_UnlinkInvalidEntities();
//invalidate the entities
AAS_InvalidateEntities();
//initialize AAS
AAS_ContinueInit(time);
//
aasworld.frameroutingupdates = 0;
//
if (bot_developer)
{
if (LibVarGetValue("showcacheupdates"))
{
AAS_RoutingInfo();
LibVarSet("showcacheupdates", "0");
} //end if
if (LibVarGetValue("showmemoryusage"))
{
PrintUsedMemorySize();
LibVarSet("showmemoryusage", "0");
} //end if
if (LibVarGetValue("memorydump"))
{
PrintMemoryLabels();
LibVarSet("memorydump", "0");
} //end if
} //end if
//
if (saveroutingcache->value)
{
AAS_WriteRouteCache();
LibVarSet("saveroutingcache", "0");
} //end if
//
aasworld.numframes++;
return BLERR_NOERROR;
} //end of the function AAS_StartFrame
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
float AAS_Time(void)
{
return aasworld.time;
} //end of the function AAS_Time
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_ProjectPointOntoVector( vec3_t point, vec3_t vStart, vec3_t vEnd, vec3_t vProj )
{
vec3_t pVec, vec;
VectorSubtract( point, vStart, pVec );
VectorSubtract( vEnd, vStart, vec );
VectorNormalize( vec );
// project onto the directional vector for this segment
VectorMA( vStart, DotProduct( pVec, vec ), vec, vProj );
} //end of the function AAS_ProjectPointOntoVector
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_LoadFiles(const char *mapname)
{
int errnum;
char aasfile[MAX_PATH];
// char bspfile[MAX_PATH];
strcpy(aasworld.mapname, mapname);
//NOTE: first reset the entity links into the AAS areas and BSP leaves
// the AAS link heap and BSP link heap are reset after respectively the
// AAS file and BSP file are loaded
AAS_ResetEntityLinks();
// load bsp info
AAS_LoadBSPFile();
//load the aas file
Com_sprintf(aasfile, MAX_PATH, "maps/%s.aas", mapname);
errnum = AAS_LoadAASFile(aasfile);
if (errnum != BLERR_NOERROR)
return errnum;
botimport.Print(PRT_MESSAGE, "loaded %s\n", aasfile);
strncpy(aasworld.filename, aasfile, MAX_PATH);
return BLERR_NOERROR;
} //end of the function AAS_LoadFiles
//===========================================================================
// called everytime a map changes
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_LoadMap(const char *mapname)
{
int errnum;
//if no mapname is provided then the string indexes are updated
if (!mapname)
{
return 0;
} //end if
//
aasworld.initialized = qfalse;
//NOTE: free the routing caches before loading a new map because
// to free the caches the old number of areas, number of clusters
// and number of areas in a clusters must be available
AAS_FreeRoutingCaches();
//load the map
errnum = AAS_LoadFiles(mapname);
if (errnum != BLERR_NOERROR)
{
aasworld.loaded = qfalse;
return errnum;
} //end if
//
AAS_InitSettings();
//initialize the AAS link heap for the new map
AAS_InitAASLinkHeap();
//initialize the AAS linked entities for the new map
AAS_InitAASLinkedEntities();
//initialize reachability for the new map
AAS_InitReachability();
//initialize the alternative routing
AAS_InitAlternativeRouting();
//everything went ok
return 0;
} //end of the function AAS_LoadMap
//===========================================================================
// called when the library is first loaded
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_Setup(void)
{
aasworld.maxclients = (int) LibVarValue("maxclients", "128");
aasworld.maxentities = (int) LibVarValue("maxentities", "1024");
// as soon as it's set to 1 the routing cache will be saved
saveroutingcache = LibVar("saveroutingcache", "0");
//allocate memory for the entities
if (aasworld.entities) FreeMemory(aasworld.entities);
aasworld.entities = (aas_entity_t *) GetClearedHunkMemory(aasworld.maxentities * sizeof(aas_entity_t));
//invalidate all the entities
AAS_InvalidateEntities();
//force some recalculations
//LibVarSet("forceclustering", "1"); //force clustering calculation
//LibVarSet("forcereachability", "1"); //force reachability calculation
aasworld.numframes = 0;
return BLERR_NOERROR;
} //end of the function AAS_Setup
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_Shutdown(void)
{
AAS_ShutdownAlternativeRouting();
//
AAS_DumpBSPData();
//free routing caches
AAS_FreeRoutingCaches();
//free aas link heap
AAS_FreeAASLinkHeap();
//free aas linked entities
AAS_FreeAASLinkedEntities();
//free the aas data
AAS_DumpAASData();
//free the entities
if (aasworld.entities) FreeMemory(aasworld.entities);
//clear the aasworld structure
Com_Memset(&aasworld, 0, sizeof(aas_t));
//aas has not been initialized
aasworld.initialized = qfalse;
//NOTE: as soon as a new .bsp file is loaded the .bsp file memory is
// freed an reallocated, so there's no need to free that memory here
//print shutdown
botimport.Print(PRT_MESSAGE, "AAS shutdown.\n");
} //end of the function AAS_Shutdown