H1Z1 Visible Check

// physx sdk 3.2.0.1 needed

physx::PxScene* GetScene ()
{
	typedef void* (__cdecl* GetPhysicsFn)();

	GetPhysicsFn GetPhysics = (GetPhysicsFn) GetProcAddress ( GetModuleHandleA ( "PhysX3_x64" ), "PxGetPhysics" );

	void* pPhysics = GetPhysics ();

	physx::PxScene* pScene = nullptr;

	typedef void (__thiscall* getActiveSceneFn)( void*, physx::PxScene**, int, int );

	GetMethod<getActiveSceneFn> ( pPhysics, INDEX_GETSCENE )( pPhysics, &pScene, 1, 0 );

	return pScene;
}

bool IsPointVisible ( const Vecotr3& vStart, const Vector3& vEnd )
{
	static physx::PxScene* pScene = GetScene ();

	if ( !pScene )
		return false;

	physx::PxVec3 pStart = *(physx::PxVec3*)&vStart;
	physx::PxVec3 pEnd = *(physx::PxVec3*)&vEnd;

	physx::PxVec3 pDelta = pEnd - pStart;

	physx::PxReal Length = pDelta.magnitude ();

	pDelta.normalize ();

	physx::PxSceneQueryHit Hit;

	if ( pScene->raycastAny ( pStart, pDelta, Length, Hit, physx::PxSceneQueryFilterData ( physx::PxSceneQueryFilterFlag::eSTATIC ) ) )
		return false;

	return true;
}