/********************************************************
 *	ContentReader.h										*
 *														*
 *	XFX ContentReader class definition file				*
 *	Copyright © XFX Team. All Rights Reserved			*
 ********************************************************/
#ifndef _CONTENT_CONTENTREADER_
#define _CONTENT_CONTENTREADER_

#include <System/IO/BinaryReader.h>
#include <Content/ContentManager.h>
#include <Graphics/GraphicsDevice.h>

using namespace System::IO;
using namespace XFX::Graphics;

namespace XFX
{
	struct Matrix;
	struct Quaternion;
	struct Vector2;
	struct Vector3;
	struct Vector4;

	namespace Content
	{
		class ContentTypeReader;

		/// <summary>
		/// A worker object that implements most of ContentManager.Load. A new
		/// ContentReader is constructed for each asset loaded.
		/// </summary>
		class ContentReader : public BinaryReader
		{
		private:
			ContentManager contentManager;
			GraphicsDevice _graphicsDevice;
			char* _assetName;
			static const short XnbVersion;

			static Stream PrepareStream(Stream stream, char* assetName);

		public:
			ContentReader(ContentManager manager, Stream stream, GraphicsDevice graphicsDevice);
			ContentReader(ContentManager manager, Stream input, char* assetName); 

			template <class T>
			T ReadExternalReference();
			Matrix ReadMatrix();
			template <class T>
			T ReadObject();
			template <class T>
			T ReadObject(T existingInstance);
			template <class T>
			T ReadObject(ContentTypeReader typeReader);
			template <class T>
			T ReadObject(ContentTypeReader typeReader, T existingInstance);
			Quaternion ReadQuaternion();
			template <class T>
			T ReadRawObject();
			template <class T>
			T ReadRawObject(ContentTypeReader typeReader);
			template <class T>
			T ReadRawObject(T existingInstance);
			template <class T>
			T ReadRawObject(ContentTypeReader typeReader, T existingInstance);
			Vector2 ReadVector2();
			Vector3 ReadVector3();
			Vector4 ReadVector4();
		};
	}
}

#endif //_CONTENTREADER_