Games/Quake/world.h

   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
  22 typedef struct
  23 {
  24         vec3_t  normal;
  25         float   dist;
  26 } plane_t;
  27
  28 typedef struct
  29 {
  30         qboolean        allsolid;       // if true, plane is not valid
  31         qboolean        startsolid;     // if true, the initial point was in a solid area
  32         qboolean        inopen, inwater;
  33         float   fraction;               // time completed, 1.0 = didn't hit anything
  34         vec3_t  endpos;                 // final position
  35         plane_t plane;                  // surface normal at impact
  36         edict_t *ent;                   // entity the surface is on
  37 } trace_t;
  38
  39
  40 #define MOVE_NORMAL             0
  41 #define MOVE_NOMONSTERS 1
  42 #define MOVE_MISSILE    2
  43
  44
  45 void SV_ClearWorld (void);
  46 // called after the world model has been loaded, before linking any entities
  47
  48 void SV_UnlinkEdict (edict_t *ent);
  49 // call before removing an entity, and before trying to move one,
  50 // so it doesn't clip against itself
  51 // flags ent->v.modified
  52
  53 void SV_LinkEdict (edict_t *ent, qboolean touch_triggers);
  54 // Needs to be called any time an entity changes origin, mins, maxs, or solid
  55 // flags ent->v.modified
  56 // sets ent->v.absmin and ent->v.absmax
  57 // if touchtriggers, calls prog functions for the intersected triggers
  58
  59 int SV_PointContents (vec3_t p);
  60 int SV_TruePointContents (vec3_t p);
  61 // returns the CONTENTS_* value from the world at the given point.
  62 // does not check any entities at all
  63 // the non-true version remaps the water current contents to content_water
  64
  65 edict_t *SV_TestEntityPosition (edict_t *ent);
  66
  67 trace_t SV_Move (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, edict_t *passedict);
  68 // mins and maxs are reletive
  69
  70 // if the entire move stays in a solid volume, trace.allsolid will be set
  71
  72 // if the starting point is in a solid, it will be allowed to move out
  73 // to an open area
  74
  75 // nomonsters is used for line of sight or edge testing, where mosnters
  76 // shouldn't be considered solid objects
  77
  78 // passedict is explicitly excluded from clipping checks (normally NULL)