1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3 
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8 
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 
13 See the GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 
19 */
20 // world.h
21 #ifndef __WORLD_H__
22 #define __WORLD_H__
23 
24 #define	MOVE_NORMAL	0
25 #define	MOVE_NOMONSTERS	1
26 #define	MOVE_MISSILE	2
27 // { sv_antilag related
28 #define MOVE_LAGGED		64	//trace touches current last-known-state, instead of actual ents (just affects players for now)
29 // }
30 
31 typedef struct areanode_s
32 {
33 	int		axis;		// -1 = leaf node
34 	float	dist;
35 	struct areanode_s	*children[2];
36 	link_t	trigger_edicts;
37 	link_t	solid_edicts;
38 } areanode_t;
39 
40 #define AREA_SOLID	0
41 #define AREA_TRIGGERS	1
42 
43 #define	AREA_DEPTH	4
44 #define	AREA_NODES	32
45 
46 extern	areanode_t	sv_areanodes[AREA_NODES];
47 
48 void SV_ClearWorld (void);
49 // called after the world model has been loaded, before linking any entities
50 
51 void SV_UnlinkEdict (edict_t *ent);
52 // call before removing an entity, and before trying to move one,
53 // so it doesn't clip against itself
54 // flags ent->v.modified
55 
56 void SV_LinkEdict (edict_t *ent, qbool touch_triggers);
57 // Needs to be called any time an entity changes origin, mins, maxs, or solid
58 // flags ent->v.modified
59 // sets ent->v.absmin and ent->v.absmax
60 // if touchtriggers, calls prog functions for the intersected triggers
61 
62 int SV_PointContents (vec3_t p);
63 // returns the CONTENTS_* value from the world at the given point.
64 // does not check any entities at all
65 
66 edict_t	*SV_TestEntityPosition (edict_t *ent);
67 
68 trace_t SV_Trace (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, edict_t *passedict);
69 // mins and maxs are relative
70 
71 // if the entire move stays in a solid volume, trace.allsolid will be set
72 
73 // if the starting point is in a solid, it will be allowed to move out
74 // to an open area
75 
76 // nomonsters is used for line of sight or edge testing, where mosnters
77 // shouldn't be considered solid objects
78 
79 // passedict is explicitly excluded from clipping checks (normally NULL)
80 
81 int SV_AreaEdicts (vec3_t mins, vec3_t maxs, edict_t **edicts, int max_edicts, int area);
82 
83 void SV_AntilagReset (edict_t *ent);
84 
85 #endif /* !__WORLD_H__ */
86