Port fxGuiSnooper to 1.8

void fxGuiSnooper::onRender(Point2I offset, const RectI &updateRect)
{
	// Call Parent Render.
	Parent::onRender(offset, updateRect);

	// Set Clipping Rectangle to GUI Bounds.
	GFX->setClipRect(getBounds());

	// Do we have an attached Object?
	if (!mAttachedObject)
	{
		// No, so signal to user this problem ...
		ColorF ErrorColor(1,0,0);
		GFX->getDrawUtil()->drawRectFill(updateRect, ErrorColor);
		ErrorColor.set(1,1,1);
		char buf[256];
		dSprintf(buf, sizeof(buf), "*** Object not selected ***");
		GFX->getDrawUtil()->setBitmapModulation(ErrorColor);
		GFX->getDrawUtil()->drawText(mProfile->mFont, offset, buf);
		GFX->getDrawUtil()->clearBitmapModulation();

		// Return Error.
		return;
	}

	// Are we using the Overlay Bitmap?
	if (mUseOverlayBitmap)
	{
		// Yes, so do we have a texture Handle?
		if (mOverlayTextureHandle)
		{
			// Yes, so clear Bitmap Modulation.
			GFX->getDrawUtil()->clearBitmapModulation();

			// Are we tiling the Overlay Bitmap?
			if(mOverlayTile)
			{
				RectI SrcRegion;
				RectI DstRegion;

				// Yes, so fetch texture object.
				GFXTextureObject* TextureObj = mOverlayTextureHandle;

				// Calculate Tesselation Count.
				float XTess = ((float)getWidth()/(float)TextureObj->mBitmapSize.x)+1;
				float YTess = ((float)getHeight()/(float)TextureObj->mBitmapSize.y)+1;

				for(int y = 0; y < YTess; ++y)
				{
					for(int x = 0; x < XTess; ++x)
					{
						// Calculate Source Region.
						SrcRegion.set(0,0,TextureObj->mBitmapSize.x, TextureObj->mBitmapSize.y);

						// Calculate Destination Region.
						DstRegion.set(((TextureObj->mBitmapSize.x*x)+offset.x),
									  ((TextureObj->mBitmapSize.y*y)+offset.y),
									  TextureObj->mBitmapSize.x,	
									  TextureObj->mBitmapSize.y);

						// Draw Tiled Bitmap.
						GFX->getDrawUtil()->drawBitmapStretchSR(TextureObj, DstRegion, SrcRegion);
					}
				}
			}
			else
			{
				// No, so draw stretched Bitmap.
				GFX->getDrawUtil()->drawBitmapStretch(mOverlayTextureHandle, getBounds());
			}
		}
	}

	// Are we using the Overlay Colour?
	if (mUseOverlayColour)
	{
		// Set Colour Mask.
				
		GFX->enableColorWrites(mOverlayRedMask, mOverlayGreenMask, mOverlayBlueMask, true);
		
		// Draw our filled rectangle with the Filter Colour.
		GFX->getDrawUtil()->drawRectFill(updateRect, mOverlayColor);

		// Reset the Colour Mask.
		GFX->enableColorWrites(true, true, true, true);
	}
}

if (mUseOverlayColour)
	{
		// Set Colour Mask.
				
		//GFX->enableColorWrites(mOverlayRedMask, mOverlayGreenMask, mOverlayBlueMask, true);
		
			// Declare StateBlocks
		GFXStateBlockDesc ecw;
		ecw.colorWriteRed   |= ( mOverlayRedMask ? GFXCOLORWRITEENABLE_RED		: 0 ); 
		ecw.colorWriteGreen |= ( mOverlayGreenMask ? GFXCOLORWRITEENABLE_GREEN	: 0 );
		ecw.colorWriteBlue  |= ( mOverlayBlueMask ? GFXCOLORWRITEENABLE_BLUE	: 0 );
		ecw.colorWriteAlpha = GFXCOLORWRITEENABLE_ALPHA;
		mEcwSB = GFX->createStateBlock(ecw);
		
		GFXStateBlockDesc ecwReset;
		ecwReset.colorWriteRed   = GFXCOLORWRITEENABLE_RED; 
		ecwReset.colorWriteGreen = GFXCOLORWRITEENABLE_GREEN;
		ecwReset.colorWriteBlue  = GFXCOLORWRITEENABLE_BLUE;
		ecwReset.colorWriteAlpha = GFXCOLORWRITEENABLE_ALPHA;
		mEcwResetSB = GFX->createStateBlock(ecwReset);

		GFX->setStateBlock(mEcwSB);

		// Draw our filled rectangle with the Filter Colour.
		GFX->getDrawUtil()->drawRectFill(updateRect, mOverlayColor);

		// Reset the Colour Mask.
		GFX->setStateBlock(mEcwResetSB);
		//GFX->enableColorWrites(true, true, true, true);
	}