NEW KOLO FOV 2016

CONST FLOAT m_bestfov = 360;

Vector B;
Vector C;
Vector A = View;
AngleVectors(A, & C);
Vector E = GetHitboxPosition(pEntity, aHitBox);
Vector F = ViewOffSet;

VectorSubtract(E, F, B);

Normalize(B, B);

auto D = C.Dot(B);

if (D < -1.0f)
D = -1.0f;

if (D > 1.0f)
D = 1.0f;

return RAD2DEG(acos(D));