shithub: qk1

ref: a2bf5224f6a466910d1cd308e4c173dc50456d30
dir: /world.h/

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typedef struct
{
	vec3_t	normal;
	float	dist;
} plane_t;

typedef struct
{
	bool	allsolid;	// if true, plane is not valid
	bool	startsolid;	// if true, the initial point was in a solid area
	bool	inopen, inwater;
	float	fraction;		// time completed, 1.0 = didn't hit anything
	vec3_t	endpos;			// final position
	plane_t	plane;			// surface normal at impact
	edict_t	*ent;			// entity the surface is on
} trace_t;


#define	MOVE_NORMAL		0
#define	MOVE_NOMONSTERS	1
#define	MOVE_MISSILE	2

int SV_FindTouchedLeafs (edict_t *ent, mnode_t *node, byte *pvs);

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, bool 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);

edict_t	*SV_TestEntityPosition (edict_t *ent);
bool SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f,
vec3_t p1, vec3_t p2, trace_t *trace);

trace_t SV_Move (vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, edict_t *passedict);
// mins and maxs are reletive

// 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)