436 lines
13 KiB
C
436 lines
13 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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/*****************************************************************************
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* name: be_aas_main.c
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*
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* desc: AAS
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*
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* $Archive: /MissionPack/code/botlib/be_aas_main.c $
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*
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*****************************************************************************/
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#include "q_shared.h"
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#include "l_memory.h"
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#include "l_libvar.h"
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#include "l_utils.h"
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#include "l_script.h"
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#include "l_precomp.h"
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#include "l_struct.h"
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#include "l_log.h"
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#include "aasfile.h"
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#include "botlib.h"
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#include "be_aas.h"
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#include "be_aas_funcs.h"
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#include "be_interface.h"
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#include "be_aas_def.h"
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#ifdef _WIN64
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#ifdef FTE_SDL
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#define vsnprintf linuxlike_vsnprintf
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#endif
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#endif
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aas_t aasworld;
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libvar_t *saveroutingcache;
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void QDECL AAS_Error(char *fmt, ...)
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{
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char str[1024];
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va_list arglist;
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va_start(arglist, fmt);
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vsnprintf(str, sizeof(str), fmt, arglist);
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va_end(arglist);
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botimport.Print(PRT_FATAL, "%s", str);
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} //end of the function AAS_Error
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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char *AAS_StringFromIndex(char *indexname, char *stringindex[], int numindexes, int index)
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{
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if (!aasworld.indexessetup)
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{
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botimport.Print(PRT_ERROR, "%s: index %d not setup\n", indexname, index);
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return "";
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} //end if
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if (index < 0 || index >= numindexes)
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{
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botimport.Print(PRT_ERROR, "%s: index %d out of range\n", indexname, index);
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return "";
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} //end if
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if (!stringindex[index])
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{
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if (index)
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{
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botimport.Print(PRT_ERROR, "%s: reference to unused index %d\n", indexname, index);
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} //end if
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return "";
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} //end if
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return stringindex[index];
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} //end of the function AAS_StringFromIndex
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_IndexFromString(char *indexname, char *stringindex[], int numindexes, char *string)
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{
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int i;
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if (!aasworld.indexessetup)
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{
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botimport.Print(PRT_ERROR, "%s: index not setup \"%s\"\n", indexname, string);
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return 0;
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} //end if
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for (i = 0; i < numindexes; i++)
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{
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if (!stringindex[i]) continue;
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if (!Q_stricmp(stringindex[i], string)) return i;
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} //end for
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return 0;
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} //end of the function AAS_IndexFromString
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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char *AAS_ModelFromIndex(int index)
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{
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return AAS_StringFromIndex("ModelFromIndex", &aasworld.configstrings[CS_MODELS], MAX_MODELS, index);
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} //end of the function AAS_ModelFromIndex
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_IndexFromModel(char *modelname)
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{
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return AAS_IndexFromString("IndexFromModel", &aasworld.configstrings[CS_MODELS], MAX_MODELS, modelname);
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} //end of the function AAS_IndexFromModel
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_UpdateStringIndexes(int numconfigstrings, char *configstrings[])
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{
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int i;
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//set string pointers and copy the strings
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for (i = 0; i < numconfigstrings; i++)
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{
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if (configstrings[i])
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{
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//if (aasworld.configstrings[i]) FreeMemory(aasworld.configstrings[i]);
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aasworld.configstrings[i] = (char *) GetMemory(strlen(configstrings[i]) + 1);
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strcpy(aasworld.configstrings[i], configstrings[i]);
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} //end if
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} //end for
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aasworld.indexessetup = qtrue;
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} //end of the function AAS_UpdateStringIndexes
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_Loaded(void)
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{
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return aasworld.loaded;
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} //end of the function AAS_Loaded
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_Initialized(void)
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{
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return aasworld.initialized;
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} //end of the function AAS_Initialized
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_SetInitialized(void)
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{
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aasworld.initialized = qtrue;
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botimport.Print(PRT_MESSAGE, "AAS initialized.\n");
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#ifdef DEBUG
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//create all the routing cache
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//AAS_CreateAllRoutingCache();
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//
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//AAS_RoutingInfo();
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#endif
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} //end of the function AAS_SetInitialized
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_ContinueInit(float time)
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{
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//if no AAS file loaded
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if (!aasworld.loaded) return;
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//if AAS is already initialized
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if (aasworld.initialized) return;
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//calculate reachability, if not finished return
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if (AAS_ContinueInitReachability(time)) return;
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//initialize clustering for the new map
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AAS_InitClustering();
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//if reachability has been calculated and an AAS file should be written
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//or there is a forced data optimization
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if (aasworld.savefile || ((int)LibVarGetValue("forcewrite")))
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{
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//optimize the AAS data
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if ((int)LibVarValue("aasoptimize", "0")) AAS_Optimize();
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//save the AAS file
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if (AAS_WriteAASFile(aasworld.filename))
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{
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botimport.Print(PRT_MESSAGE, "%s written successfully\n", aasworld.filename);
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} //end if
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else
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{
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botimport.Print(PRT_ERROR, "couldn't write %s\n", aasworld.filename);
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} //end else
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} //end if
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//initialize the routing
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AAS_InitRouting();
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//at this point AAS is initialized
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AAS_SetInitialized();
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} //end of the function AAS_ContinueInit
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//===========================================================================
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// called at the start of every frame
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_StartFrame(float time)
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{
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aasworld.time = time;
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//unlink all entities that were not updated last frame
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AAS_UnlinkInvalidEntities();
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//invalidate the entities
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AAS_InvalidateEntities();
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//initialize AAS
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AAS_ContinueInit(time);
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//
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aasworld.frameroutingupdates = 0;
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//
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if (botDeveloper)
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{
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if (LibVarGetValue("showcacheupdates"))
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{
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AAS_RoutingInfo();
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LibVarSet("showcacheupdates", "0");
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} //end if
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if (LibVarGetValue("showmemoryusage"))
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{
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PrintUsedMemorySize();
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LibVarSet("showmemoryusage", "0");
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} //end if
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if (LibVarGetValue("memorydump"))
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{
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PrintMemoryLabels();
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LibVarSet("memorydump", "0");
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} //end if
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} //end if
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//
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if (saveroutingcache->value)
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{
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AAS_WriteRouteCache();
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LibVarSet("saveroutingcache", "0");
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} //end if
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//
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aasworld.numframes++;
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return BLERR_NOERROR;
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} //end of the function AAS_StartFrame
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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float AAS_Time(void)
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{
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return aasworld.time;
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} //end of the function AAS_Time
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_ProjectPointOntoVector( vec3_t point, vec3_t vStart, vec3_t vEnd, vec3_t vProj )
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{
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vec3_t pVec, vec;
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VectorSubtract( point, vStart, pVec );
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VectorSubtract( vEnd, vStart, vec );
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VectorNormalize( vec );
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// project onto the directional vector for this segment
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VectorMA( vStart, DotProduct( pVec, vec ), vec, vProj );
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} //end of the function AAS_ProjectPointOntoVector
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_LoadFiles(const char *mapname)
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{
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int errnum;
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char aasfile[MAX_PATH];
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// char bspfile[MAX_PATH];
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strcpy(aasworld.mapname, mapname);
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//NOTE: first reset the entity links into the AAS areas and BSP leaves
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// the AAS link heap and BSP link heap are reset after respectively the
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// AAS file and BSP file are loaded
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AAS_ResetEntityLinks();
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// load bsp info
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AAS_LoadBSPFile();
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//load the aas file
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Com_sprintf(aasfile, MAX_PATH, "maps/%s.aas", mapname);
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errnum = AAS_LoadAASFile(aasfile);
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if (errnum != BLERR_NOERROR)
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return errnum;
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botimport.Print(PRT_MESSAGE, "loaded %s\n", aasfile);
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strncpy(aasworld.filename, aasfile, MAX_PATH);
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return BLERR_NOERROR;
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} //end of the function AAS_LoadFiles
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//===========================================================================
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// called everytime a map changes
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_LoadMap(const char *mapname)
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{
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int errnum;
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//if no mapname is provided then the string indexes are updated
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if (!mapname)
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{
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return 0;
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} //end if
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//
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aasworld.initialized = qfalse;
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//NOTE: free the routing caches before loading a new map because
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// to free the caches the old number of areas, number of clusters
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// and number of areas in a clusters must be available
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AAS_FreeRoutingCaches();
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//load the map
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errnum = AAS_LoadFiles(mapname);
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if (errnum != BLERR_NOERROR)
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{
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aasworld.loaded = qfalse;
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return errnum;
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} //end if
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//
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AAS_InitSettings();
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//initialize the AAS link heap for the new map
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AAS_InitAASLinkHeap();
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//initialize the AAS linked entities for the new map
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AAS_InitAASLinkedEntities();
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//initialize reachability for the new map
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AAS_InitReachability();
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//initialize the alternative routing
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AAS_InitAlternativeRouting();
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//everything went ok
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return 0;
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} //end of the function AAS_LoadMap
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//===========================================================================
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// called when the library is first loaded
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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int AAS_Setup(void)
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{
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aasworld.maxclients = (int) LibVarValue("maxclients", "128");
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aasworld.maxentities = (int) LibVarValue("maxentities", "1024");
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// as soon as it's set to 1 the routing cache will be saved
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saveroutingcache = LibVar("saveroutingcache", "0");
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//allocate memory for the entities
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if (aasworld.entities) FreeMemory(aasworld.entities);
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aasworld.entities = (aas_entity_t *) GetClearedHunkMemory(aasworld.maxentities * sizeof(aas_entity_t));
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//invalidate all the entities
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AAS_InvalidateEntities();
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//force some recalculations
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//LibVarSet("forceclustering", "1"); //force clustering calculation
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//LibVarSet("forcereachability", "1"); //force reachability calculation
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aasworld.numframes = 0;
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return BLERR_NOERROR;
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} //end of the function AAS_Setup
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//===========================================================================
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//
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// Parameter: -
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// Returns: -
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// Changes Globals: -
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//===========================================================================
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void AAS_Shutdown(void)
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{
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AAS_ShutdownAlternativeRouting();
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//
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AAS_DumpBSPData();
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//free routing caches
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AAS_FreeRoutingCaches();
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//free aas link heap
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AAS_FreeAASLinkHeap();
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//free aas linked entities
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AAS_FreeAASLinkedEntities();
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//free the aas data
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AAS_DumpAASData();
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//free the entities
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if (aasworld.entities) FreeMemory(aasworld.entities);
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//clear the aasworld structure
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Com_Memset(&aasworld, 0, sizeof(aas_t));
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//aas has not been initialized
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aasworld.initialized = qfalse;
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//NOTE: as soon as a new .bsp file is loaded the .bsp file memory is
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// freed an reallocated, so there's no need to free that memory here
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//print shutdown
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botimport.Print(PRT_MESSAGE, "AAS shutdown.\n");
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} //end of the function AAS_Shutdown
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