/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
Copyright (C) 2006 Robert Beckebans <trebor_7@users.sourceforge.net>

This file is part of XreaL source code.

XreaL 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.

XreaL 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 XreaL source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

/*****************************************************************************
 * name:		be_aas_bsp.h
 *
 * desc:		AAS
 *
 * $Archive: /source/code/botlib/be_aas_bsp.h $
 *
 *****************************************************************************/

#ifdef AASINTERN
//loads the given BSP file
int             AAS_LoadBSPFile(void);

//dump the loaded BSP data
void            AAS_DumpBSPData(void);

//unlink the given entity from the bsp tree leaves
void            AAS_UnlinkFromBSPLeaves(bsp_link_t * leaves);

//link the given entity to the bsp tree leaves of the given model
bsp_link_t     *AAS_BSPLinkEntity(vec3_t absmins, vec3_t absmaxs, int entnum, int modelnum);

//calculates collision with given entity
qboolean        AAS_EntityCollision(int entnum,
									vec3_t start,
									vec3_t boxmins, vec3_t boxmaxs, vec3_t end, int contentmask, bsp_trace_t * trace);
//for debugging
void            AAS_PrintFreeBSPLinks(char *str);

//
#endif							//AASINTERN

#define MAX_EPAIRKEY		128

//trace through the world
bsp_trace_t     AAS_Trace(vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int passent, int contentmask);

//returns the contents at the given point
int             AAS_PointContents(vec3_t point);

//returns true when p2 is in the PVS of p1
qboolean        AAS_inPVS(vec3_t p1, vec3_t p2);

//returns true when p2 is in the PHS of p1
qboolean        AAS_inPHS(vec3_t p1, vec3_t p2);

//returns true if the given areas are connected
qboolean        AAS_AreasConnected(int area1, int area2);

//creates a list with entities totally or partly within the given box
int             AAS_BoxEntities(vec3_t absmins, vec3_t absmaxs, int *list, int maxcount);

//gets the mins, maxs and origin of a BSP model
void            AAS_BSPModelMinsMaxsOrigin(int modelnum, vec3_t angles, vec3_t mins, vec3_t maxs, vec3_t origin);

//handle to the next bsp entity
int             AAS_NextBSPEntity(int ent);

//return the value of the BSP epair key
int             AAS_ValueForBSPEpairKey(int ent, char *key, char *value, int size);

//get a vector for the BSP epair key
int             AAS_VectorForBSPEpairKey(int ent, char *key, vec3_t v);

//get a float for the BSP epair key
int             AAS_FloatForBSPEpairKey(int ent, char *key, float *value);

//get an integer for the BSP epair key
int             AAS_IntForBSPEpairKey(int ent, char *key, int *value);
