#pragma once

#include "IUpdatable.h"
#include "ITransformation.h"
#include "../ShaderParameterCollection/ShaderParameterCollection.h"


class Transformation
	: public ShaderParameterCollection
	, public ITransformation
	, public IUpdatable
{
public:
	// ITransformation
	Transformation(IEngine& argEngine);
	virtual ~Transformation();

	virtual void set_TransformationBindings(const TransformationBindings& argData);
	virtual TransformationBindings get_TransformationBindings() const;

	virtual void set_LocalPosition(const D3DXVECTOR3& argValue);
	virtual const D3DXVECTOR3& get_LocalPosition() const;
	virtual const D3DXVECTOR3& get_WorldPosition() const;

	virtual void set_LocalRotationYPR(const D3DXVECTOR3& argValue);
	virtual const D3DXVECTOR3& get_LocalRotationYPR() const;

	virtual void set_LocalRotation(const D3DXQUATERNION& argValue);
	virtual const D3DXQUATERNION& get_LocalRotation() const;
	virtual const D3DXQUATERNION& get_WorldRotation() const;

	virtual const D3DXVECTOR3& get_LocalDirection() const;
	virtual const D3DXVECTOR3& get_WorldDirection() const;

	virtual const D3DXVECTOR3& get_LocalUpDirection() const;
	virtual const D3DXVECTOR3& get_WorldUpDirection() const;

	virtual D3DXVECTOR3 get_LocalRightDirection() const;
	virtual D3DXVECTOR3 get_WorldRightDirection() const;

	virtual void set_LocalScale(const D3DXVECTOR3& argValue);
	virtual const D3DXVECTOR3& get_LocalScale() const;
	virtual const D3DXVECTOR3& get_WorldScale() const;

	virtual const D3DXMATRIX& get_WorldMatrix() const;
	virtual const D3DXMATRIX& get_LocalMatrix() const;

	virtual void set_TransformationParent(ITransformation* argValue);
	virtual ITransformation* get_TransformationParent() const;
	virtual void AddTransformation(ITransformation& argTransformation);
	virtual void RemoveTransformation(ITransformation& argTransformation);
	virtual const std::vector<ITransformation*>& get_Transformations() const;

	// IUpdatable
	virtual void Update(bool argForceUpdate);
	virtual bool get_WantsUpdate() const { return m_IsDirty; }

	virtual void RecreateAllShaderParameters();

protected:
	// ICommandUser
	virtual string8 get_UserName() const { return "Transformation"; }

protected:
	D3DXMATRIX m_LocalMatrix;
	D3DXMATRIX m_WorldMatrix;

	D3DXVECTOR3 m_LocalTranslation;
	D3DXVECTOR3 m_WorldTranslation;

	D3DXQUATERNION m_LocalRotation;
	D3DXQUATERNION m_WorldRotation;

	D3DXVECTOR3 m_LocalScale;
	D3DXVECTOR3 m_WorldScale;

	D3DXVECTOR3 m_LocalDirection;
	D3DXVECTOR3 m_WorldDirection;

	D3DXVECTOR3 m_LocalUpDirection;
	D3DXVECTOR3 m_WorldUpDirection;

	D3DXVECTOR3 m_LocalRightDirection;
	D3DXVECTOR3 m_WorldRightDirection;

	D3DXVECTOR3 m_LastKnownYawPitchRoll;

	bool m_IsDirty;

	TransformationBindings m_TransformationBindings;

	ITransformation* m_ParentTransformation;
	std::vector<ITransformation*> m_TransformationChildren;
};