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// ----------------------------------------------------------------
// From Game Programming in C++ by Sanjay Madhav
// Copyright (C) 2017 Sanjay Madhav. All rights reserved.
// Released under the BSD License
// See LICENSE in root directory for full details.
// ----------------------------------------------------------------
#pragma once
#include "BoneTransform.h"
#include <string>
#include <vector>
class Skeleton
	// Definition for each bone in the skeleton
	struct Bone
		BoneTransform mLocalBindPose;
		std::string mName;
		int mParent;
	// Load from a file
	bool Load(const std::string& fileName);
	// Getter functions
	size_t GetNumBones() const { return mBones.size(); }
	const Bone& GetBone(size_t idx) const { return mBones[idx]; }
	const std::vector<Bone>& GetBones() const { return mBones; }
	const std::vector<Matrix4>& GetGlobalInvBindPoses() const { return mGlobalInvBindPoses; }
	// Called automatically when the skeleton is loaded
	// Computes the global inverse bind pose for each bone
	void ComputeGlobalInvBindPose();
	// The bones in the skeleton
	std::vector<Bone> mBones;
	// The global inverse bind poses for each bone
	std::vector<Matrix4> mGlobalInvBindPoses;

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