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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$Id: world.h 636 2007-07-20 05:07:57Z disconn3ct $
*/
// world.h
#ifndef __WORLD_H__
#define __WORLD_H__
#define MOVE_NORMAL 0
#define MOVE_NOMONSTERS 1
#define MOVE_MISSILE 2
typedef struct areanode_s
{
int axis; // -1 = leaf node
float dist;
struct areanode_s *children[2];
link_t trigger_edicts;
link_t solid_edicts;
} areanode_t;
#define AREA_SOLID 0
#define AREA_TRIGGERS 1
#define AREA_DEPTH 4
#define AREA_NODES 32
extern areanode_t sv_areanodes[AREA_NODES];
void SV_ClearWorld (void);
// called after the world model has been loaded, before linking any entities
void SV_UnlinkEdict (edict_t *ent);
// call before removing an entity, and before trying to move one,
// so it doesn't clip against itself
// flags ent->v.modified
void SV_LinkEdict (edict_t *ent, qbool touch_triggers);
// Needs to be called any time an entity changes origin, mins, maxs, or solid
// flags ent->v.modified
// sets ent->v.absmin and ent->v.absmax
// if touchtriggers, calls prog functions for the intersected triggers
int SV_PointContents (vec3_t p);
// returns the CONTENTS_* value from the world at the given point.
// does not check any entities at all
edict_t *SV_TestEntityPosition (edict_t *ent);
trace_t SV_Trace (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, edict_t *passedict);
// mins and maxs are relative
// if the entire move stays in a solid volume, trace.allsolid will be set
// if the starting point is in a solid, it will be allowed to move out
// to an open area
// nomonsters is used for line of sight or edge testing, where mosnters
// shouldn't be considered solid objects
// passedict is explicitly excluded from clipping checks (normally NULL)
int SV_AreaEdicts (vec3_t mins, vec3_t maxs, edict_t **edicts, int max_edicts, int area);
#endif /* !__WORLD_H__ */
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