int W_GunAlign(entity this, int preferred_align)
vector damage_explosion_calcpush(vector explosion_f, vector target_v, float speedfactor)
vector(float skel, float bonenum) _skel_get_boneabs_hidden
vector W_CalculateSpread(vector forward, float spread, float spreadfactor, float spreadstyle)
float explosion_calcpush_getmultiplier(vector explosion_v, vector target_v)