97 lines
3.3 KiB
C
97 lines
3.3 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// world.h
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typedef struct
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{
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vec3_t normal;
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float dist;
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} plane_t;
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typedef struct
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{
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qboolean allsolid; // if true, plane is not valid
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qboolean startsolid; // if true, the initial point was in a solid area
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qboolean inopen, inwater;
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float fraction; // time completed, 1.0 = didn't hit anything
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vec3_t endpos; // final position
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plane_t plane; // surface normal at impact
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edict_t *ent; // entity the surface is on
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} trace_t;
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#define MOVE_NORMAL 0
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#define MOVE_NOMONSTERS 1
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#define MOVE_MISSILE 2
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void SV_ClearWorld (void);
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// called after the world model has been loaded, before linking any entities
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void SV_UnlinkEdict (edict_t *ent);
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// call before removing an entity, and before trying to move one,
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// so it doesn't clip against itself
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// flags ent->v.modified
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void SV_LinkEdict (edict_t *ent, qboolean touch_triggers);
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// Needs to be called any time an entity changes origin, mins, maxs, or solid
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// flags ent->v.modified
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// sets ent->v.absmin and ent->v.absmax
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// if touchtriggers, calls prog functions for the intersected triggers
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int SV_PointContents (vec3_t p);
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int SV_TruePointContents (vec3_t p);
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// returns the CONTENTS_* value from the world at the given point.
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// does not check any entities at all
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// the non-true version remaps the water current contents to content_water
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edict_t *SV_TestEntityPosition (edict_t *ent);
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trace_t SV_Move (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, edict_t *passedict);
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// mins and maxs are reletive
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// if the entire move stays in a solid volume, trace.allsolid will be set
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// if the starting point is in a solid, it will be allowed to move out
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// to an open area
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// nomonsters is used for line of sight or edge testing, where mosnters
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// shouldn't be considered solid objects
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// passedict is explicitly excluded from clipping checks (normally NULL)
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//Trace a box trough the world
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trace_t CM_BoxTrace (model_t *M, vec3_t start, vec3_t end,
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vec3_t mins, vec3_t maxs,
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int headnode, int brushmask);
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//Trace a box trough a model
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void CM_TraceToBrushModel (model_t *M, int firstbrush, int numbrushes, vec3_t mins, vec3_t maxs,
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vec3_t start, vec3_t end, trace_t *trace, int brushmask);
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int CM_PointContents (model_t *M, vec3_t p, int headnode);
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void CM_SetAreaPortalState (model_t *M, int area1, int area2, qboolean open);
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qboolean CM_AreasConnected (model_t *M, int area1, int area2);
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int CM_WriteAreaBits (model_t *M, byte *buffer, int area);
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void CM_MergeAreaBits (model_t *M, byte *buffer, int area);
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void CM_WritePortalState (model_t *M, FILE *f);
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void CM_ReadPortalState (model_t *M, FILE *f);
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void CM_InitBoxHull (model_t *M);
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