#pragma once

#include "ITexture.h"
#include "IFileSystem.h"
#include "../ShaderParameterCollection/ShaderParameterCollection.h"
#include "../../Commands/CommandUserBase.h"


class Texture
	: public ITexture
	, public ShaderParameterCollection
{
public:
	Texture(IEngine& argEngine);
	virtual ~Texture();

	virtual void Uninitialize();

	// ITexture
	virtual string8 get_BindingName() const { return m_TextureBindingName; }
	virtual void set_BindingName(const string8& argName);
	virtual string16 get_FileName() const { return m_FileName; }
	virtual uint32 get_TextureWidth() const{ return m_TextureWidth; }
	virtual uint32 get_TextureHeight() const { return m_TextureHeight; }
	virtual uint32 get_TextureArraySize() const { return m_TextureArraySize; }
	virtual DataFormat::Enumeration get_TextureFormat() const{ return m_TextureFormat; }

	virtual void LoadFromFile(const string16& argFileName, DataAccessType::Enumeration argAccessType = DataAccessType::Static);
	virtual void CreateTexture(const CreateTextureDescriptor& argDesc);
	virtual LockedTextureData LockTextureBuffer(DataAccessMode::Enumeration argAccessMode, uint32 argArrayElement = 0);
	virtual void UnlockTextureBuffer();
	virtual void CreateRenderTargetTexture(uint32 argWidth, uint32 argHeight, DataFormat::Enumeration argFormat, uint32 argMultiSampleCount, uint32 argMultiSampleQuality);
	virtual ID3D10ShaderResourceView* get_ResourceViewFromTexture() const { return m_ShaderResourceView; }
	virtual ID3D10Texture2D* get_Texture2D() const { return m_Texture; }

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

protected:
	void CreateTexture(uint32 argWidth, uint32 argHeight, uint32 argMipLevels, uint32 m_Elements, DataFormat::Enumeration argFormat, TextureInitialData* ar_InitialData_, DataAccessType::Enumeration argAccessType, bool argRenderTarget, uint32 argMultiSampleCount, uint32 argMultiSampleQuality);

private:
	ID3D10Buffer* m_TextureBuffer;
	ID3D10Resource* m_TextureResource;
	ID3D10ShaderResourceView* m_ShaderResourceView;
	ID3D10Texture2D* m_Texture;
	string16 m_FileName;
	uint32 m_TextureWidth;
	uint32 m_TextureHeight;
	uint32 m_TextureArraySize;
	DataFormat::Enumeration m_TextureFormat;

	bool m_LockedTexture;
	uint32 m_LockedArrayElement;
	string8 m_TextureBindingName;
};