438 lines
13 KiB
C
438 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_entity.c
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*
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* desc: AAS entities
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*
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* $Archive: /MissionPack/code/botlib/be_aas_entity.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_script.h"
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#include "l_precomp.h"
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#include "l_struct.h"
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#include "l_utils.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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#define MASK_SOLID CONTENTS_PLAYERCLIP
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//FIXME: these might change
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enum {
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ET_GENERAL,
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ET_PLAYER,
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ET_ITEM,
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ET_MISSILE,
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ET_MOVER
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};
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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_UpdateEntity(int entnum, bot_entitystate_t *state)
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{
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int relink;
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aas_entity_t *ent;
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vec3_t absmins, absmaxs;
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if (!aasworld.loaded)
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{
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botimport.Print(PRT_MESSAGE, "AAS_UpdateEntity: not loaded\n");
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return BLERR_NOAASFILE;
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} //end if
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ent = &aasworld.entities[entnum];
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if (!state) {
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//unlink the entity
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AAS_UnlinkFromAreas(ent->areas);
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//unlink the entity from the BSP leaves
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AAS_UnlinkFromBSPLeaves(ent->leaves);
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//
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ent->areas = NULL;
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//
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ent->leaves = NULL;
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return BLERR_NOERROR;
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}
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ent->i.update_time = AAS_Time() - ent->i.ltime;
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ent->i.type = state->type;
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ent->i.flags = state->flags;
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ent->i.ltime = AAS_Time();
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VectorCopy(ent->i.origin, ent->i.lastvisorigin);
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VectorCopy(state->old_origin, ent->i.old_origin);
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ent->i.solid = state->solid;
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ent->i.groundent = state->groundent;
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ent->i.modelindex = state->modelindex;
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ent->i.modelindex2 = state->modelindex2;
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ent->i.frame = state->frame;
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ent->i.event = state->event;
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ent->i.eventParm = state->eventParm;
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ent->i.powerups = state->powerups;
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ent->i.weapon = state->weapon;
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ent->i.legsAnim = state->legsAnim;
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ent->i.torsoAnim = state->torsoAnim;
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//number of the entity
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ent->i.number = entnum;
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//updated so set valid flag
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ent->i.valid = qtrue;
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//link everything the first frame
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if (aasworld.numframes == 1) relink = qtrue;
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else relink = qfalse;
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//
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if (ent->i.solid == SOLID_BSP)
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{
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//if the angles of the model changed
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if (!VectorCompare(state->angles, ent->i.angles))
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{
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VectorCopy(state->angles, ent->i.angles);
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relink = qtrue;
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} //end if
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//get the mins and maxs of the model
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//FIXME: rotate mins and maxs
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AAS_BSPModelMinsMaxsOrigin(ent->i.modelindex, ent->i.angles, ent->i.mins, ent->i.maxs, NULL);
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} //end if
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else if (ent->i.solid == SOLID_BBOX)
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{
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//if the bounding box size changed
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if (!VectorCompare(state->mins, ent->i.mins) ||
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!VectorCompare(state->maxs, ent->i.maxs))
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{
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VectorCopy(state->mins, ent->i.mins);
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VectorCopy(state->maxs, ent->i.maxs);
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relink = qtrue;
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} //end if
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VectorCopy(state->angles, ent->i.angles);
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} //end if
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//if the origin changed
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if (!VectorCompare(state->origin, ent->i.origin))
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{
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VectorCopy(state->origin, ent->i.origin);
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relink = qtrue;
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} //end if
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//if the entity should be relinked
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if (relink)
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{
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//don't link the world model
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if (entnum != ENTITYNUM_WORLD)
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{
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//absolute mins and maxs
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VectorAdd(ent->i.mins, ent->i.origin, absmins);
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VectorAdd(ent->i.maxs, ent->i.origin, absmaxs);
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//unlink the entity
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AAS_UnlinkFromAreas(ent->areas);
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//relink the entity to the AAS areas (use the larges bbox)
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ent->areas = AAS_LinkEntityClientBBox(absmins, absmaxs, entnum, PRESENCE_NORMAL);
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//unlink the entity from the BSP leaves
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AAS_UnlinkFromBSPLeaves(ent->leaves);
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//link the entity to the world BSP tree
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ent->leaves = AAS_BSPLinkEntity(absmins, absmaxs, entnum, 0);
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} //end if
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} //end if
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return BLERR_NOERROR;
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} //end of the function AAS_UpdateEntity
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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_EntityInfo(int entnum, aas_entityinfo_t *info)
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{
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if (!aasworld.initialized)
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{
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botimport.Print(PRT_FATAL, "AAS_EntityInfo: aasworld not initialized\n");
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Com_Memset(info, 0, sizeof(aas_entityinfo_t));
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return;
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} //end if
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if (entnum < 0 || entnum >= aasworld.maxentities)
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{
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botimport.Print(PRT_FATAL, "AAS_EntityInfo: entnum %d out of range\n", entnum);
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Com_Memset(info, 0, sizeof(aas_entityinfo_t));
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return;
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} //end if
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Com_Memcpy(info, &aasworld.entities[entnum].i, sizeof(aas_entityinfo_t));
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} //end of the function AAS_EntityInfo
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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_EntityOrigin(int entnum, vec3_t origin)
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{
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if (entnum < 0 || entnum >= aasworld.maxentities)
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{
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botimport.Print(PRT_FATAL, "AAS_EntityOrigin: entnum %d out of range\n", entnum);
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VectorClear(origin);
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return;
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} //end if
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VectorCopy(aasworld.entities[entnum].i.origin, origin);
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} //end of the function AAS_EntityOrigin
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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_EntityModelindex(int entnum)
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{
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if (entnum < 0 || entnum >= aasworld.maxentities)
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{
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botimport.Print(PRT_FATAL, "AAS_EntityModelindex: entnum %d out of range\n", entnum);
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return 0;
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} //end if
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return aasworld.entities[entnum].i.modelindex;
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} //end of the function AAS_EntityModelindex
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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_EntityType(int entnum)
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{
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if (!aasworld.initialized) return 0;
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if (entnum < 0 || entnum >= aasworld.maxentities)
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{
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botimport.Print(PRT_FATAL, "AAS_EntityType: entnum %d out of range\n", entnum);
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return 0;
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} //end if
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return aasworld.entities[entnum].i.type;
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} //end of the AAS_EntityType
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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_EntityModelNum(int entnum)
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{
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if (!aasworld.initialized) return 0;
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if (entnum < 0 || entnum >= aasworld.maxentities)
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{
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botimport.Print(PRT_FATAL, "AAS_EntityModelNum: entnum %d out of range\n", entnum);
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return 0;
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} //end if
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return aasworld.entities[entnum].i.modelindex;
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} //end of the function AAS_EntityModelNum
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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_OriginOfMoverWithModelNum(int modelnum, vec3_t origin)
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{
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int i;
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aas_entity_t *ent;
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for (i = 0; i < aasworld.maxentities; i++)
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{
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ent = &aasworld.entities[i];
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if (ent->i.type == ET_MOVER)
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{
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if (ent->i.modelindex == modelnum)
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{
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VectorCopy(ent->i.origin, origin);
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return qtrue;
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} //end if
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} //end if
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} //end for
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return qfalse;
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} //end of the function AAS_OriginOfMoverWithModelNum
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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_EntitySize(int entnum, vec3_t mins, vec3_t maxs)
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{
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aas_entity_t *ent;
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if (!aasworld.initialized) return;
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if (entnum < 0 || entnum >= aasworld.maxentities)
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{
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botimport.Print(PRT_FATAL, "AAS_EntitySize: entnum %d out of range\n", entnum);
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return;
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} //end if
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ent = &aasworld.entities[entnum];
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VectorCopy(ent->i.mins, mins);
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VectorCopy(ent->i.maxs, maxs);
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} //end of the function AAS_EntitySize
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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_EntityBSPData(int entnum, bsp_entdata_t *entdata)
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{
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aas_entity_t *ent;
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ent = &aasworld.entities[entnum];
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VectorCopy(ent->i.origin, entdata->origin);
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VectorCopy(ent->i.angles, entdata->angles);
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VectorAdd(ent->i.origin, ent->i.mins, entdata->absmins);
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VectorAdd(ent->i.origin, ent->i.maxs, entdata->absmaxs);
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entdata->solid = ent->i.solid;
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entdata->modelnum = ent->i.modelindex - 1;
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} //end of the function AAS_EntityBSPData
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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_ResetEntityLinks(void)
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{
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int i;
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for (i = 0; i < aasworld.maxentities; i++)
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{
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aasworld.entities[i].areas = NULL;
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aasworld.entities[i].leaves = NULL;
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} //end for
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} //end of the function AAS_ResetEntityLinks
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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_InvalidateEntities(void)
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{
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int i;
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for (i = 0; i < aasworld.maxentities; i++)
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{
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aasworld.entities[i].i.valid = qfalse;
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aasworld.entities[i].i.number = i;
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} //end for
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} //end of the function AAS_InvalidateEntities
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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_UnlinkInvalidEntities(void)
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{
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int i;
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aas_entity_t *ent;
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for (i = 0; i < aasworld.maxentities; i++)
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{
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ent = &aasworld.entities[i];
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if (!ent->i.valid)
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{
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AAS_UnlinkFromAreas( ent->areas );
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ent->areas = NULL;
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AAS_UnlinkFromBSPLeaves( ent->leaves );
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ent->leaves = NULL;
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} //end for
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} //end for
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} //end of the function AAS_UnlinkInvalidEntities
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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_NearestEntity(vec3_t origin, int modelindex)
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{
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int i, bestentnum;
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float dist, bestdist;
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aas_entity_t *ent;
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vec3_t dir;
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bestentnum = 0;
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bestdist = 99999;
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for (i = 0; i < aasworld.maxentities; i++)
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{
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ent = &aasworld.entities[i];
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if (ent->i.modelindex != modelindex) continue;
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VectorSubtract(ent->i.origin, origin, dir);
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if (fabs(dir[0]) < 40)
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{
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if (fabs(dir[1]) < 40)
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{
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dist = VectorLength(dir);
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if (dist < bestdist)
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{
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bestdist = dist;
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bestentnum = i;
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} //end if
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} //end if
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} //end if
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} //end for
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return bestentnum;
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} //end of the function AAS_NearestEntity
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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_BestReachableEntityArea(int entnum)
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{
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aas_entity_t *ent;
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ent = &aasworld.entities[entnum];
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return AAS_BestReachableLinkArea(ent->areas);
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} //end of the function AAS_BestReachableEntityArea
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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_NextEntity(int entnum)
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{
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if (!aasworld.loaded) return 0;
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if (entnum < 0) entnum = -1;
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while(++entnum < aasworld.maxentities)
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{
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if (aasworld.entities[entnum].i.valid) return entnum;
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} //end while
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return 0;
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} //end of the function AAS_NextEntity
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