vector _Movetype_ClipVelocity(vector vel, vector norm, float f);
void _Movetype_PushEntityTrace(entity this, vector push);
float _Movetype_PushEntity(entity this, vector push, float failonstartsolid);
-void makevectors_matrix(vector myangles);
void Movetype_Physics_NoMatchTicrate(entity this, float movedt, bool isclient);
void Movetype_Physics_MatchTicrate(entity this, float tr, bool sloppy);