ref: b8c0e4deccffcd668f7d08ffc1fe16147e9e894a
dir: /code/botlib/be_aas_entity.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_entity.c
*
* desc: AAS entities
*
* $Archive: /MissionPack/code/botlib/be_aas_entity.c $
*
*****************************************************************************/
#include "../game/q_shared.h"
#include "l_memory.h"
#include "l_script.h"
#include "l_precomp.h"
#include "l_struct.h"
#include "l_utils.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"
#define MASK_SOLID CONTENTS_PLAYERCLIP
//FIXME: these might change
enum {
ET_GENERAL,
ET_PLAYER,
ET_ITEM,
ET_MISSILE,
ET_MOVER
};
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_UpdateEntity(int entnum, bot_entitystate_t *state)
{
int relink;
aas_entity_t *ent;
vec3_t absmins, absmaxs;
if (!aasworld.loaded)
{
botimport.Print(PRT_MESSAGE, "AAS_UpdateEntity: not loaded\n");
return BLERR_NOAASFILE;
} //end if
ent = &aasworld.entities[entnum];
if (!state) {
//unlink the entity
AAS_UnlinkFromAreas(ent->areas);
//unlink the entity from the BSP leaves
AAS_UnlinkFromBSPLeaves(ent->leaves);
//
ent->areas = NULL;
//
ent->leaves = NULL;
return BLERR_NOERROR;
}
ent->i.update_time = AAS_Time() - ent->i.ltime;
ent->i.type = state->type;
ent->i.flags = state->flags;
ent->i.ltime = AAS_Time();
VectorCopy(ent->i.origin, ent->i.lastvisorigin);
VectorCopy(state->old_origin, ent->i.old_origin);
ent->i.solid = state->solid;
ent->i.groundent = state->groundent;
ent->i.modelindex = state->modelindex;
ent->i.modelindex2 = state->modelindex2;
ent->i.frame = state->frame;
ent->i.event = state->event;
ent->i.eventParm = state->eventParm;
ent->i.powerups = state->powerups;
ent->i.weapon = state->weapon;
ent->i.legsAnim = state->legsAnim;
ent->i.torsoAnim = state->torsoAnim;
//number of the entity
ent->i.number = entnum;
//updated so set valid flag
ent->i.valid = qtrue;
//link everything the first frame
if (aasworld.numframes == 1) relink = qtrue;
else relink = qfalse;
//
if (ent->i.solid == SOLID_BSP)
{
//if the angles of the model changed
if (!VectorCompare(state->angles, ent->i.angles))
{
VectorCopy(state->angles, ent->i.angles);
relink = qtrue;
} //end if
//get the mins and maxs of the model
//FIXME: rotate mins and maxs
AAS_BSPModelMinsMaxsOrigin(ent->i.modelindex, ent->i.angles, ent->i.mins, ent->i.maxs, NULL);
} //end if
else if (ent->i.solid == SOLID_BBOX)
{
//if the bounding box size changed
if (!VectorCompare(state->mins, ent->i.mins) ||
!VectorCompare(state->maxs, ent->i.maxs))
{
VectorCopy(state->mins, ent->i.mins);
VectorCopy(state->maxs, ent->i.maxs);
relink = qtrue;
} //end if
VectorCopy(state->angles, ent->i.angles);
} //end if
//if the origin changed
if (!VectorCompare(state->origin, ent->i.origin))
{
VectorCopy(state->origin, ent->i.origin);
relink = qtrue;
} //end if
//if the entity should be relinked
if (relink)
{
//don't link the world model
if (entnum != ENTITYNUM_WORLD)
{
//absolute mins and maxs
VectorAdd(ent->i.mins, ent->i.origin, absmins);
VectorAdd(ent->i.maxs, ent->i.origin, absmaxs);
//unlink the entity
AAS_UnlinkFromAreas(ent->areas);
//relink the entity to the AAS areas (use the larges bbox)
ent->areas = AAS_LinkEntityClientBBox(absmins, absmaxs, entnum, PRESENCE_NORMAL);
//unlink the entity from the BSP leaves
AAS_UnlinkFromBSPLeaves(ent->leaves);
//link the entity to the world BSP tree
ent->leaves = AAS_BSPLinkEntity(absmins, absmaxs, entnum, 0);
} //end if
} //end if
return BLERR_NOERROR;
} //end of the function AAS_UpdateEntity
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_EntityInfo(int entnum, aas_entityinfo_t *info)
{
if (!aasworld.initialized)
{
botimport.Print(PRT_FATAL, "AAS_EntityInfo: aasworld not initialized\n");
Com_Memset(info, 0, sizeof(aas_entityinfo_t));
return;
} //end if
if (entnum < 0 || entnum >= aasworld.maxentities)
{
botimport.Print(PRT_FATAL, "AAS_EntityInfo: entnum %d out of range\n", entnum);
Com_Memset(info, 0, sizeof(aas_entityinfo_t));
return;
} //end if
Com_Memcpy(info, &aasworld.entities[entnum].i, sizeof(aas_entityinfo_t));
} //end of the function AAS_EntityInfo
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_EntityOrigin(int entnum, vec3_t origin)
{
if (entnum < 0 || entnum >= aasworld.maxentities)
{
botimport.Print(PRT_FATAL, "AAS_EntityOrigin: entnum %d out of range\n", entnum);
VectorClear(origin);
return;
} //end if
VectorCopy(aasworld.entities[entnum].i.origin, origin);
} //end of the function AAS_EntityOrigin
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_EntityModelindex(int entnum)
{
if (entnum < 0 || entnum >= aasworld.maxentities)
{
botimport.Print(PRT_FATAL, "AAS_EntityModelindex: entnum %d out of range\n", entnum);
return 0;
} //end if
return aasworld.entities[entnum].i.modelindex;
} //end of the function AAS_EntityModelindex
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_EntityType(int entnum)
{
if (!aasworld.initialized) return 0;
if (entnum < 0 || entnum >= aasworld.maxentities)
{
botimport.Print(PRT_FATAL, "AAS_EntityType: entnum %d out of range\n", entnum);
return 0;
} //end if
return aasworld.entities[entnum].i.type;
} //end of the AAS_EntityType
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_EntityModelNum(int entnum)
{
if (!aasworld.initialized) return 0;
if (entnum < 0 || entnum >= aasworld.maxentities)
{
botimport.Print(PRT_FATAL, "AAS_EntityModelNum: entnum %d out of range\n", entnum);
return 0;
} //end if
return aasworld.entities[entnum].i.modelindex;
} //end of the function AAS_EntityModelNum
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_OriginOfMoverWithModelNum(int modelnum, vec3_t origin)
{
int i;
aas_entity_t *ent;
for (i = 0; i < aasworld.maxentities; i++)
{
ent = &aasworld.entities[i];
if (ent->i.type == ET_MOVER)
{
if (ent->i.modelindex == modelnum)
{
VectorCopy(ent->i.origin, origin);
return qtrue;
} //end if
} //end if
} //end for
return qfalse;
} //end of the function AAS_OriginOfMoverWithModelNum
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_EntitySize(int entnum, vec3_t mins, vec3_t maxs)
{
aas_entity_t *ent;
if (!aasworld.initialized) return;
if (entnum < 0 || entnum >= aasworld.maxentities)
{
botimport.Print(PRT_FATAL, "AAS_EntitySize: entnum %d out of range\n", entnum);
return;
} //end if
ent = &aasworld.entities[entnum];
VectorCopy(ent->i.mins, mins);
VectorCopy(ent->i.maxs, maxs);
} //end of the function AAS_EntitySize
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_EntityBSPData(int entnum, bsp_entdata_t *entdata)
{
aas_entity_t *ent;
ent = &aasworld.entities[entnum];
VectorCopy(ent->i.origin, entdata->origin);
VectorCopy(ent->i.angles, entdata->angles);
VectorAdd(ent->i.origin, ent->i.mins, entdata->absmins);
VectorAdd(ent->i.origin, ent->i.maxs, entdata->absmaxs);
entdata->solid = ent->i.solid;
entdata->modelnum = ent->i.modelindex - 1;
} //end of the function AAS_EntityBSPData
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_ResetEntityLinks(void)
{
int i;
for (i = 0; i < aasworld.maxentities; i++)
{
aasworld.entities[i].areas = NULL;
aasworld.entities[i].leaves = NULL;
} //end for
} //end of the function AAS_ResetEntityLinks
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_InvalidateEntities(void)
{
int i;
for (i = 0; i < aasworld.maxentities; i++)
{
aasworld.entities[i].i.valid = qfalse;
aasworld.entities[i].i.number = i;
} //end for
} //end of the function AAS_InvalidateEntities
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_UnlinkInvalidEntities(void)
{
int i;
aas_entity_t *ent;
for (i = 0; i < aasworld.maxentities; i++)
{
ent = &aasworld.entities[i];
if (!ent->i.valid)
{
AAS_UnlinkFromAreas( ent->areas );
ent->areas = NULL;
AAS_UnlinkFromBSPLeaves( ent->leaves );
ent->leaves = NULL;
} //end for
} //end for
} //end of the function AAS_UnlinkInvalidEntities
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_NearestEntity(vec3_t origin, int modelindex)
{
int i, bestentnum;
float dist, bestdist;
aas_entity_t *ent;
vec3_t dir;
bestentnum = 0;
bestdist = 99999;
for (i = 0; i < aasworld.maxentities; i++)
{
ent = &aasworld.entities[i];
if (ent->i.modelindex != modelindex) continue;
VectorSubtract(ent->i.origin, origin, dir);
if (abs(dir[0]) < 40)
{
if (abs(dir[1]) < 40)
{
dist = VectorLength(dir);
if (dist < bestdist)
{
bestdist = dist;
bestentnum = i;
} //end if
} //end if
} //end if
} //end for
return bestentnum;
} //end of the function AAS_NearestEntity
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_BestReachableEntityArea(int entnum)
{
aas_entity_t *ent;
ent = &aasworld.entities[entnum];
return AAS_BestReachableLinkArea(ent->areas);
} //end of the function AAS_BestReachableEntityArea
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_NextEntity(int entnum)
{
if (!aasworld.loaded) return 0;
if (entnum < 0) entnum = -1;
while(++entnum < aasworld.maxentities)
{
if (aasworld.entities[entnum].i.valid) return entnum;
} //end while
return 0;
} //end of the function AAS_NextEntity