#ifndef BoneTransform_h__
#define BoneTransform_h__
#include "math/LifeMath.h"

namespace LifeGraphics
{
	struct BoneTransform
	{
	public:
		int boneId;
		LifeMath::float3 Translation;
		LifeMath::Quaternion Rotation;

		BoneTransform()
			:boneId(0)
		{
		}

		BoneTransform operator =(const BoneTransform& right)
		{
			boneId = right.boneId;
			Translation = right.Translation;
			Rotation = right.Rotation;
			return *this;
		}

		BoneTransform operator *(const BoneTransform& right)
		{
			BoneTransform bt;
			bt.Translation = Translation + right.Translation;
			bt.Rotation = Rotation * right.Rotation;
			return bt;
		}

		LifeMath::float4x4 GetMatrix()
		{
			LifeMath::float4x4 rot;
			LifeMath::float4x4 trans;
			LifeMath::Mat4x4RotationQuaternion(Rotation, rot);
			LifeMath::Mat4x4Translation(Translation, trans);
			return rot*trans;
		}

		LifeMath::float4x4 GetMatrixInvert()
		{
			LifeMath::float4x4 rot;
			LifeMath::float4x4 trans;
			LifeMath::Mat4x4RotationQuaternion(Rotation, rot);
			LifeMath::Mat4x4Translation(Translation, trans);
			LifeMath::float4x4 transform = rot * trans;
			transform = LifeMath::Mat4x4Invert(&transform);
			return transform;
		}

		BoneTransform GetInverted()
		{
			BoneTransform tr;
			tr.Translation = -this->Translation;
			tr.Rotation = this->Rotation;
			QuatInvert(tr.Rotation);
			return tr;
		}
	};
}
#endif // BoneTransform_h__