#include "TRACK.h"
#include "MEDIA.h"
#include "SCENE.h"


class DIFF_Grabber:public INPUT_IO
{
public:
	u32		DIFFSource1;
	u32		DIFFSource2;
	u8		SignalAmplify[256];
	WORLD	*pScene;
	int		INIT	(class WORLD*){return 0;};
	int		FRAME	(void);
	int		END		(void){return 0;};
	IOTYPE	GetType() {return IOtype_DIFF;};
   
};

int DIFF_Grabber::FRAME()
{
#ifndef SKIMMED_NET
	OneBuf Output;
#endif
	u32 OK_Continue;
	u32 LastTileNumb;
	u32 X,Y,*Ptr;

	if (!pScene->ID_MEDIA[DIFFSource1]) return 0;
	START_RASTER(Diff);
	if (Image.SetSize(	pScene->ID_MEDIA[DIFFSource1]->Image.SX,
						pScene->ID_MEDIA[DIFFSource1]->Image.SY))
	{
		if (ulAssociatedTextureIndex != -1)
			pScene->DI->DestroyTexture(ulAssociatedTextureIndex);
		ulAssociatedTextureIndex = pScene->DI->CreateTexture(&Image,ulColorMode);
	}

	/* DIFF */

	pScene->DI->BeginTextureTarget(ulAssociatedTextureIndex);

	RS DefaultRS;
	GLOB_SetDefaultRS(&DefaultRS);
	DefaultRS.BACKFACE = 0;
	DefaultRS.NOZTEST = 1;
	DefaultRS.NOZWRITE = 1;

	pScene->DI->Matrix(NULL);
	pScene->DI->Ortho();
	pScene->DI->SetRS(&DefaultRS,-1/*pScene->ID_MEDIA[DIFFSource1]->ulAssociatedTextureIndex*/);
	float Coef = (float)Image.SY/(float)Image.SX;
	pScene->DI->DrawQuad(0x80808080,-1.0f, 1.0f*Coef ,2.0f, -2.0f*Coef ,0.0f,0.0f,1.0f,1.0f);
	DefaultRS.BlendingMode = 6;
	pScene->DI->SetRS(&DefaultRS,pScene->ID_MEDIA[DIFFSource1]->ulAssociatedTextureIndex);
	pScene->DI->DrawQuad(0xffffffff,-1.0f, 1.0f*Coef ,2.0f, -2.0f*Coef ,0.0f,0.0f,1.0f,1.0f);
	DefaultRS.BlendingMode = 2;
	pScene->DI->SetRS(&DefaultRS,pScene->ID_MEDIA[DIFFSource2]->ulAssociatedTextureIndex);
	pScene->DI->DrawQuad(0x80808080,-1.0f, 1.0f*Coef ,2.0f, -2.0f*Coef ,0.0f,0.0f,1.0f,1.0f);
	/* Amplify */
	pScene->DI->EndTextureTarget(ulAssociatedTextureIndex,1);
/*
	extern void RETINEX(MAP *CurrentMap);
	RETINEX(&Image);//*/
	u8 *pImage,*pImageE;
	pImage = (u8*)Image.GetBase();
	pImageE = pImage + Image.SX * Image.SY * 4;
	while (pImage < pImageE)
	{
		*pImage = SignalAmplify[*pImage];
		pImage++;
	}//*/
	pScene->DI->UpdateTexture_BM_2_HW(ulAssociatedTextureIndex);

	STOP_RASTER(Diff);
	return 1;
}

void DIFF_SETPARAMS(INPUT_IO *pDIFF,u32 DIFFSource1,u32 DIFFSource2)
{
	((DIFF_Grabber *)pDIFF)->DIFFSource1 = DIFFSource1;
	((DIFF_Grabber *)pDIFF)->DIFFSource2 = DIFFSource2;
}


INPUT_IO *DIFF_CREATE(class WORLD*pScene,char *Filename)
{
	u32 SX,SY,Col;
	INPUT_IO *Ret;
	Ret = (INPUT_IO *)new(DIFF_Grabber);
	SX = SY = 256;
	((DIFF_Grabber*)Ret)->DIFFSource1 = 0;
	((DIFF_Grabber*)Ret)->DIFFSource2 = 0;
	((DIFF_Grabber*)Ret)->pScene = pScene;
	strcpy((char*)Ret->MediaName,Filename);
	Ret->Image.SetSize(SX, SY);
	Ret->dTotalTime = 0;
	Ret->dAvgFramePerSecond = 30.0;
	for (u32 Counter = 0; Counter < 256 ; Counter++)
	{
		s32 Value;
		Value = (128 - (s32)Counter)<<2;
		Value += 128;
		if (Value < 0) Value = 0;
		if (Value > 255) Value = 255;
		((DIFF_Grabber*)Ret)->SignalAmplify[Counter] = (u8)Value;
	}
	return (INPUT_IO *)Ret;
};