genesis-3d_engine/Engine/graphicsystem/Renderable/Renderable.h

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU

http://www.genesis-3d.com.cn

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****************************************************************************/
#ifndef RENDERABLE_H_
#define RENDERABLE_H_
#include "foundation/core/types.h"
#include "foundation/util/dictionary.h"
namespace Graphic
{
	class MaterialInstance;
	class Renderable
	{
	public:
		enum Mark
		{
			GenShadow = BIT_FLAG(0),
			CastShadow = BIT_FLAG(1),
			GenDepth = BIT_FLAG(2),
			MarkNone = BIT_FLAG_NONE,
			MarkAll = ~BIT_FLAG_NONE,			
		};

		virtual ~Renderable();

		MaterialInstance* GetMaterial() const;
		void SetMaterial(MaterialInstance* material);

		// renderable sort offset
		signed char GetSort() const;
		void SetSort( signed char sort);

		Mark GetMark() const;
		void SetMark(Mark mark);

		template<typename T> 
		T* cast_safe();  //safe, but slow

		template<typename T> 
		T* cast_fast();// unsafe, but fast

		template<typename T> 
		const T* cast_safe() const;  //safe, but slow

		template<typename T> 
		const T* cast_fast() const;// unsafe, but fast

		void SetShaderMask(const uint type, const uint& mask);

		const uint& GetShaderMask(const uint type) const;

		void ResetShaderMask();

		void SetAffectedLightCount(const SizeT num);

		const SizeT GetAffectedLightCount() const;

	protected:		
		Renderable();
		MaterialInstance* mMaterial;
		signed char mSort;
		Mark mMark;

		Util::Dictionary<uint, uint>  m_ShaderMask;
		static uint                   m_sDefaultShaderMask;
		SizeT                         m_nLights;
	};

	inline MaterialInstance* Renderable::GetMaterial() const
	{
		return mMaterial;
	}

	inline void Renderable::SetMaterial(MaterialInstance* material)
	{
		mMaterial = material;
	}

	inline signed char Renderable::GetSort() const
	{
		return mSort;
	}

	inline void Renderable::SetSort(signed char sort)
	{
		mSort = sort;
	}

	inline Renderable::Mark Renderable::GetMark() const
	{
		return mMark;
	}
	inline void Renderable::SetMark(Mark mark)
	{
		mMark = mark;
	}


	template<typename T> 
	inline T* Renderable::cast_safe()
	{
		return reinterpret_cast<T*>(this);
	}

	template<typename T>
	inline T* Renderable::cast_fast()
	{
		return static_cast<T*>(this);
	}

	template<typename T> 
	inline const T* Renderable::cast_safe() const
	{
		return reinterpret_cast<const T*>(this);
	}

	template<typename T>
	inline const T* Renderable::cast_fast() const
	{
		return static_cast<const T*>(this);
	}

	inline void Renderable::SetShaderMask(const uint type, const uint& mask)
	{
#if _DEBUG
		IndexT res = m_ShaderMask.FindIndex(type);

		if (res != InvalidIndex)
		{
			m_ShaderMask[type] = mask;
		}
		else
		{
			n_error("No Tis RenderPassType in RenderObject!!!!\n");
		}

#else
		m_ShaderMask[type] = mask;

#endif	

	}

	inline const uint& Renderable::GetShaderMask(const uint type) const
	{
#if _DEBUG
		IndexT res = m_ShaderMask.FindIndex(type);
		if (res != InvalidIndex)
		{
			return m_ShaderMask[type];
		}
		else
		{
			n_error("No Tis RenderPassType in RenderObject!!!!\n");
			return m_sDefaultShaderMask;
		}
#endif

		return m_ShaderMask[type];
	}

	inline void Renderable::SetAffectedLightCount(const SizeT num)
	{
		m_nLights = num;
	}

	inline const SizeT Renderable::GetAffectedLightCount() const
	{
		return m_nLights;
	}

}
#endif