#pragma once

#include "BasisParameterCollection.h"
#include "IShaderParameterCollection.h"
#include "../Commands/CommandUserBase.h"


struct IEngine;
class ShaderParameterCollection
	: public IShaderParameterCollection
	, public CommandUserBase
{
	static const unsigned char SetShaderParameterCollectionCommandType = 0;
	static const unsigned char SetFollowingShaderParameterCollectionCommandType = 1;
public:
	ShaderParameterCollection(IEngine& argEngine, unsigned char argBasePriority = 4);
	virtual ~ShaderParameterCollection();

	virtual void Uninitialize();	

	// IShaderParameterCollection
	virtual bool get_IsPreconditionForFollowingShaders() const;
	virtual void set_IsPreconditionForFollowingShaders(bool argValue);

	virtual void SetParameter(const string8& argParameterName,IShaderParameter* ar_Parameter_);
	virtual void SetParameter(const string8& argParameterName, ITexture& argParameter, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, float* af_Parameter_, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, float argParameter, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, D3DXVECTOR4* ar_Parameter_, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, const D3DXVECTOR4& argParameter, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, D3DXVECTOR3* ar_Parameter_, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, const D3DXVECTOR3& argParameter, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, D3DXMATRIX* argParameter, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, const D3DXMATRIX& argParameter, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, bool* ab_Parameter_, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void SetParameter(const string8& argParameterName, bool argParameter, ParameterBindType::Enumeration argParamNameType = ParameterBindType::BindBySemantic);
	virtual void RemoveParameter(const string8& argParameterName);

protected:
	// ICommandUser
	virtual CommandExecuteResult::Enumeration ExecuteCommand(unsigned char argCommandType, ICommandBuffer& argCurrentBuffer, uint32 argCurrentPositon);
	virtual bool get_IsPreconditionForNextCommands() const { return m_IsPreconditionForFollowingShaders; }
	virtual string8 get_UserName() const { return "ShaderParameterCollection"; }

	void UseOnShader(IShader& argShader);

protected:
	IEngine& m_Engine;

	BasisShaderParameterCollection m_BasisShaderParameterCollection;
	bool m_IsPreconditionForFollowingShaders;
	unsigned char m_BasePriority;
};