Method Video_Draw_8

Source/PC/Graphics_PC.cpp:392–433

}

void cGraphics_PC::Video_Draw_8(cSurface *pTarget, const uint8* RowPallete) {
	if (!pTarget)
		pTarget = mSurface;

	uint8*	di = pTarget->GetSurfaceBuffer();
	uint8* 	si = mFodder->mVideo_Draw_FrameDataPtr;

	di += pTarget->GetWidth() * mFodder->mVideo_Draw_PosY;
	di += mFodder->mVideo_Draw_PosX;

	mFodder->mVideo_Draw_Columns >>= 1;
	mFodder->mDraw_Source_SkipPixelsPerRow = 160 - mFodder->mVideo_Draw_Columns;
	mFodder->mDraw_Dest_SkipPixelsPerRow = (uint16)(pTarget->GetWidth() - (mFodder->mVideo_Draw_Columns * 2));

	for (int16 dx = 0; dx < mFodder->mVideo_Draw_Rows; ++dx) {
		uint8 Palette = mFodder->mVideo_Draw_PaletteIndex;
		if (RowPallete) {
			int16 bx = mFodder->mVideo_Draw_PosY + dx;

			Palette = RowPallete[bx];
		}

		for (int16 cx = mFodder->mVideo_Draw_Columns; cx > 0; --cx) {
			uint8 ah = *si;


			uint8 al = ah >> 4;
			if (al)
				*di = al | Palette;

			al = ah & 0x0F;
			if (al)
				*(di + 1) = al | Palette;

			si++;
			di+=2;
		}

		si += mFodder->mDraw_Source_SkipPixelsPerRow;
		di += mFodder->mDraw_Dest_SkipPixelsPerRow;
	}
}

void cGraphics_PC::Video_Draw_16(const uint8* RowPallete) {
	uint8*	di = mSurface->GetSurfaceBuffer();