/*
	ZShaderBase.hpp
	Author: Chris Ertel <crertel@762studios.com>,
			James Russell <jcrussell@762studios.com>
	Created: 4/20/2011

	Purpose: 
	
	Base implementation of the ZShader interface.

	License:

	TODO
*/

#pragma once

#ifndef _ZSHADERBASE_HPP
#define _ZSHADERBASE_HPP

#include <ZRenderer/ZShader.hpp>

/*
Shader base class implementation.
*/
class ZShaderBase : public ZShader
{
protected:
	//The type of shader
	ZShaderType Type;

	//The shader source
	ZString Source;

	//The shader compilation log
	ZString Log;

	//Boolean set to true indicates this is a usable shader
	bool bIsUsable;

public:
	/*
	Constructor.

	@param _type - the type of shader this is
	*/
	ZShaderBase(ZShaderType _type);

	//Virtual Destructor
	virtual ~ZShaderBase();

	//Subclass Implementation
	virtual void ClearCompileLog();

	//Subclass Implementation
	virtual const ZString& GetCompileLog();

	//Subclass Implementation
	virtual const ZString& GetSource();

	//Subclass Implementation
	virtual ZShaderType GetType();

	//Subclass Implementation
	virtual bool IsUsable();

	//Subclass Implementation
	virtual void SetSource( const ZString& _source );

	//Not Implemented
	virtual bool Compile() = 0;
};

#endif