Method GetDirectionVector

CrySystem/ScriptObjectEntity.cpp:988–1037

Get Forward direction if no parameters if parameter is passed - get Up direction [filippo]: now more complete, if the param is specified we can get the axis we want.

//	if parameter is passed - get Up direction
//	[filippo]: now more complete, if the param is specified we can get the axis we want.
int CScriptObjectEntity::GetDirectionVector(IFunctionHandler *pH)
{
//	CHECK_PARAMETERS(0);
	assert(pH->GetParamCount() == 0 || pH->GetParamCount() == 1);

	//forward default
	Vec3 vec(0,-1,0);

	//if there is a parameter we want to get something different by the forward vector, 0=x, 1=y, 2=z
	if( pH->GetParamCount()==1 )
	{
		int dir;
		pH->GetParam(1,dir);

		switch(dir)
		{
		default:
		case 0:
			vec.Set(0,-1,0);//forward
			break;
		case 1:
			vec.Set(-1,0,0);//right
			break;
		case 2:vec.Set(0,0,1);//up
			break;
		}
	}

	//CScriptObjectVector oVec(m_pScriptSystem);
	
	//vec = m_pEntity->GetAngles();

	Matrix44 tm;
	tm.SetIdentity();
	//tm.RotateMatrix_fix( m_pEntity->GetAngles() );
	tm=Matrix44::CreateRotationZYX(-m_pEntity->GetAngles()*gf_DEGTORAD)*tm; //NOTE: angles in radians and negated 

	//CHANGED_BY_IVO
	//vec = tm.TransformVector(vec);
	vec = GetTransposed44(tm)*vec;

	m_pObjectAngles->BeginSetGetChain();
	m_pObjectAngles->SetValue("x",vec.x);
	m_pObjectAngles->SetValue("y",vec.y);
	m_pObjectAngles->SetValue("z",vec.z);
	m_pObjectAngles->EndSetGetChain();
	//vec.ConvertToRadAngles();
	//oVec=vec;
	return pH->EndFunction(m_pObjectAngles);
}

int CScriptObjectEntity::AttachObjectToBone(IFunctionHandler *pH)
{