#include <ddraw/tritextr.hpp>
#include <common/bitmap.hpp>
#include <common/dib.hpp>
#include <common/file.hpp>
#include <engine/device3d.hpp>
#include <ddraw/drawsfc.hpp>

File outFile("output.dat","wb");

DirectTriTexture::DirectTriTexture(const Triangle3D &angle3D,Bitmap &textureBitmap,DIBitmap &drawingSurface,Device3D &displayDevice,MapFrom mapFrom)
{
  mTriangle3D=angle3D;
	displayDevice.mapCoordinates(mTriangle3D,mTriangle);
//	mTriangle.orderPoints();
	mTriEdge.x0(mTriangle[0].x());
	mTriEdge.y0(mTriangle[0].y());
	mTriEdge.x1(mTriangle[1].x());
	mTriEdge.y1(mTriangle[1].y());
	mTriEdge.x2(mTriangle[2].x());
	mTriEdge.y2(mTriangle[2].y());
	if(MapFromUpperRight==mapFrom)
	{
	  mTriEdge.u0(0);
		mTriEdge.v0(0);
		mTriEdge.u1(textureBitmap.width()-1);
 		mTriEdge.v1(0);
		mTriEdge.u2(textureBitmap.width()-1);
		mTriEdge.v2(textureBitmap.height()-1);
	}
	else
	{
	  mTriEdge.u0(0);
		mTriEdge.v0(0);
		mTriEdge.u1(textureBitmap.width()-1);
		mTriEdge.v1(textureBitmap.height()-1);
		mTriEdge.u2(0);
		mTriEdge.v2(textureBitmap.height()-1);
	}
	::directTriSetSrcBitmapInfo(textureBitmap.width(),textureBitmap.height(),textureBitmap.getDataPtr());
	::directTriSetDstBitmapInfo(drawingSurface.width(),drawingSurface.height(),drawingSurface.width(),(unsigned char*)drawingSurface.ptrData());
	::directTriSetPixelCallback(&DirectTriTexture::pixelCallback);
	::directTriSetEdgeCallback(&DirectTriTexture::edgeCallback);
}

DirectTriTexture::DirectTriTexture(const Triangle3D &angle3D,Bitmap &textureBitmap,DrawingSurface &drawingSurface,Device3D &displayDevice,MapFrom mapFrom)
{
  mTriangle3D=angle3D;
	displayDevice.mapCoordinates(mTriangle3D,mTriangle);
//	mTriangle.orderPoints();
	mTriEdge.x0(mTriangle[0].x());
	mTriEdge.y0(mTriangle[0].y());
	mTriEdge.x1(mTriangle[1].x());
	mTriEdge.y1(mTriangle[1].y());
	mTriEdge.x2(mTriangle[2].x());
	mTriEdge.y2(mTriangle[2].y());
	if(MapFromUpperRight==mapFrom)
	{
	  mTriEdge.u0(0);
		mTriEdge.v0(0);
		mTriEdge.u1(textureBitmap.width()-1);
		mTriEdge.v1(0);
		mTriEdge.u2(textureBitmap.width()-1);
		mTriEdge.v2(textureBitmap.height()-1);
	}
	else
	{
	  mTriEdge.u0(0);
		mTriEdge.v0(0);
		mTriEdge.u1(textureBitmap.width()-1);
		mTriEdge.v1(textureBitmap.height()-1);
		mTriEdge.u2(0);
		mTriEdge.v2(textureBitmap.height()-1);
	}
	::directTriSetSrcBitmapInfo(textureBitmap.width(),textureBitmap.height(),textureBitmap.getDataPtr());
	::directTriSetDstBitmapInfo(drawingSurface.width(),drawingSurface.height(),drawingSurface.pitch(),(unsigned char*)drawingSurface.ptrSurface());
	::directTriSetPixelCallback(&DirectTriTexture::pixelCallback);
	::directTriSetEdgeCallback(&DirectTriTexture::edgeCallback);
}

DirectTriTexture::~DirectTriTexture()
{
}

void DirectTriTexture::mapTexture(void)
{
  ::directTriMapTexture(&mTriEdge);
}

void DirectTriTexture::pixelCallback(int y,int x,int vi,int ui)
{
#if 0
  String strDebug;

  if(!y&&!x&&!vi&&!ui)outFile.writeLine("scanline");
	else
	{
	  ::sprintf(strDebug,"ui: %d vi:%d x:%d y:%d",ui,vi,x,y);
	  outFile.writeLine(strDebug);
	}
#endif
}

void DirectTriTexture::edgeCallback(DirectTriEdge *pEdge)
{
#if 0
  String strDebug;
	strDebug.reserve(1024);
	::sprintf(strDebug,"xLeft:%d xRight:%d uLeft:%d uRight:%d vLeft:%d vRight:%d dxLeft:%d dxRight:%d duLeft:%d duRight:%d dvLeft:%d duRight:%d",
    int((float)pEdge->xLeft()/2048.00),int((float)pEdge->xRight()/2048.00),int((float)pEdge->uLeft()/2048.00),int((float)pEdge->uRight()/2048.00),int((float)pEdge->vLeft()/2048.00),int((float)pEdge->vRight()/2048.00),
		int((float)pEdge->dxLeft()/2048.00),int((float)pEdge->dxRight()/2048.00),int((float)pEdge->duLeft()/2048.00),int((float)pEdge->duRight()/2048.00),int((float)pEdge->dvLeft()/2048.00),int((float)pEdge->dvRight()/2048.00));
	outFile.writeLine(strDebug);
#endif
}