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/*
===========================================================================
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
===========================================================================
*/
#define AREA_PORTAL 1
//temporary AAS face
typedef struct tmp_face_s
{
int num; //face number
int planenum; //number of the plane the face is in
winding_t *winding; //winding of the face
struct tmp_area_s *frontarea; //area at the front of the face
struct tmp_area_s *backarea; //area at the back of the face
int faceflags; //flags of this face
int aasfacenum; //the number of the aas face used for this face
//double link list pointers for front and back area
struct tmp_face_s *prev[2], *next[2];
//links in the list with faces
struct tmp_face_s *l_prev, *l_next;
} tmp_face_t;
//temporary AAS area settings
typedef struct tmp_areasettings_s
{
//could also add all kind of statistic fields
int contents; //contents of the area
int modelnum; //bsp model inside this area
int areaflags; //area flags
int presencetype; //how a bot can be present in this area
int numreachableareas; //number of reachable areas from this one
int firstreachablearea; //first reachable area in the reachable area index
} tmp_areasettings_t;
//temporary AAS area
typedef struct tmp_area_s
{
int areanum; //number of the area
struct tmp_face_s *tmpfaces; //the faces of the area
int presencetype; //presence type of the area
int contents; //area contents
int modelnum; //bsp model inside this area
int invalid; //true if the area is invalid
tmp_areasettings_t *settings; //area settings
struct tmp_area_s *mergedarea; //points to the new area after merging
//when mergedarea != 0 the area has only the
//seperating face of the merged areas
int aasareanum; //number of the aas area created for this tmp area
//links in the list with areas
struct tmp_area_s *l_prev, *l_next;
} tmp_area_t;
//temporary AAS node
typedef struct tmp_node_s
{
int planenum; //node plane number
struct tmp_area_s *tmparea; //points to an area if this node is an area
struct tmp_node_s *children[2]; //child nodes of this node
} tmp_node_t;
#define NODEBUF_SIZE 128
//node buffer
typedef struct tmp_nodebuf_s
{
int numnodes;
struct tmp_nodebuf_s *next;
tmp_node_t nodes[NODEBUF_SIZE];
} tmp_nodebuf_t;
//the whole temorary AAS
typedef struct tmp_aas_s
{
//faces
int numfaces;
int facenum;
tmp_face_t *faces;
//areas
int numareas;
int areanum;
tmp_area_t *areas;
//area settings
int numareasettings;
tmp_areasettings_t *areasettings;
//nodes
int numnodes;
tmp_node_t *nodes;
//node buffer
tmp_nodebuf_t *nodebuffer;
} tmp_aas_t;
extern tmp_aas_t tmpaasworld;
//creates a .AAS file with the given name from an already loaded map
void AAS_Create(char *aasfile);
//adds a face side to an area
void AAS_AddFaceSideToArea(tmp_face_t *tmpface, int side, tmp_area_t *tmparea);
//remvoes a face from an area
void AAS_RemoveFaceFromArea(tmp_face_t *tmpface, tmp_area_t *tmparea);
//allocate a tmp face
tmp_face_t *AAS_AllocTmpFace(void);
//free the tmp face
void AAS_FreeTmpFace(tmp_face_t *tmpface);
//allocate a tmp area
tmp_area_t *AAS_AllocTmpArea(void);
//free a tmp area
void AAS_FreeTmpArea(tmp_area_t *tmparea);
//allocate a tmp node
tmp_node_t *AAS_AllocTmpNode(void);
//free a tmp node
void AAS_FreeTmpNode(tmp_node_t *node);
//checks if an area is ok
void AAS_CheckArea(tmp_area_t *tmparea);
//flips the area faces where needed
void AAS_FlipAreaFaces(tmp_area_t *tmparea);
//returns true if the face is a gap seen from the given side
int AAS_GapFace(tmp_face_t *tmpface, int side);
//returns true if the face is a ground face
int AAS_GroundFace(tmp_face_t *tmpface);
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