#pragma once

//disable inheritance warning caused by multiple inheritance
#if _WIN32
#if _MSC_VER
#pragma warning(disable: 4250)
#endif
#endif

#include "OgreRenderTechnique.h"
#include "Ogre.h"

using namespace Ogre;

class FireRenderTarget :  public GlobalUseRenderTarget
{
	
public:

	static int targetsize;

	FireRenderTarget();	
};



/**
	@brief SBBRenderTechnique used in an OGRE environment.
*/
class OgreFireRenderTechnique : public OgreRenderTechnique,
									public RenderTargetListener,
									public FrameListener,
									public UpdateListener
{
public:
	/**
		@brief Constructor.

		@param depthTexID				the id of the texture unit state the resulting
											scene depth map should be bound to
		@param pass						the pass to operate on			
		@param parentRenderable			the object to operate on
		@param parentTechniqueGroup		the TechniqueGroup this RenderedTechnique is attached to
	*/
	OgreFireRenderTechnique(	unsigned char depthTexID,
							Pass* pass,
							OgreRenderable* parentRenderable,
							OgreTechniqueGroup* parentTechniqueGroup
							);
	~OgreFireRenderTechnique();
	
	//inherited
	virtual void update(unsigned long frameNum);

	void  preRenderTargetUpdate (const RenderTargetEvent &evt);
	void  postRenderTargetUpdate (const RenderTargetEvent &evt);
	bool  frameEnded (const FrameEvent &evt);
	void preAllUpdates();
	
protected:	
	/**
		&brief the id of the texture unit state the resulting scene depth map should be bound to
	*/
	unsigned char depthTexID;
	bool lastVisibility;
	
};


class OgreFireRenderTechniqueFactory : public RenderTechniqueFactory
{
public:
	
	OgreFireRenderTechniqueFactory();

	OgreRenderTechnique* createInstance(IllumTechniqueParams* params,
										Pass* pass,
										OgreRenderable* parentRenderable,
										OgreTechniqueGroup* parentTechniqueGroup);


	unsigned char depthTexID;

};