/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#include "hpl1/engine/scene/Entity2D.h"
#include "hpl1/engine/scene/GridMap2D.h"
#include "hpl1/engine/scene/Node2D.h"

namespace hpl {

//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------
iEntity2D::iEntity2D(tString asName) : iEntity(asName), mvPosition(0), mvRotation(0), mvScale(0),
									   mvLastPosition(0), mvLastRotation(0), mvLastScale(0),
									   mpGridObject(NULL) {
}

//-----------------------------------------------------------------------

//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////

//-----------------------------------------------------------------------

cVector3f iEntity2D::GetWorldPosition() {
	if (mpParentNode) {
		cNode2D *pNode2D = static_cast<cNode2D *>(mpParentNode);

		return pNode2D->GetPosition() + mvPosition;
	} else
		return mvPosition;
}

//-----------------------------------------------------------------------

cVector3f iEntity2D::GetWorldRotation() {
	if (mpParentNode) {
		cNode2D *pNode2D = static_cast<cNode2D *>(mpParentNode);

		return pNode2D->GetRotation() + mvRotation;
	} else
		return mvRotation;
}

//-----------------------------------------------------------------------

cVector3f iEntity2D::GetWorldScale() {
	if (mpParentNode) {
		cNode2D *pNode2D = static_cast<cNode2D *>(mpParentNode);

		return pNode2D->GetScale() + mvScale;
	} else
		return mvScale;
}

//-----------------------------------------------------------------------

void iEntity2D::SetPosition(const cVector3f &avPos) {
	mvLastPosition = mvPosition;
	mvPosition = avPos;

	if (UpdateBoundingBox())
		if (mpGridObject)
			mpGridObject->Update(GetBoundingBox());
}

//-----------------------------------------------------------------------

void iEntity2D::SetRotation(const cVector3f &avRot) {
	mvLastRotation = mvRotation;
	mvRotation = avRot;

	if (UpdateBoundingBox())
		if (mpGridObject)
			mpGridObject->Update(GetBoundingBox());
}

//-----------------------------------------------------------------------

void iEntity2D::SetScale(const cVector3f &avScale) {
	mvLastScale = mvScale;
	mvScale = avScale;

	if (UpdateBoundingBox())
		if (mpGridObject)
			mpGridObject->Update(GetBoundingBox());
}

//-----------------------------------------------------------------------
} // namespace hpl