Function drawRow

Source/scrollrt.cpp:517–543

* @brief Render a row of tile * @param x dPiece coordinate * @param y dPiece coordinate * @param sx Back buffer coordinate * @param sy Back buffer coordinate * @param eflag is it an even (0) or odd (1) row */

 * @param eflag is it an even (0) or odd (1) row
 */
static void drawRow(int x, int y, int sx, int sy, int eflag)
{
	BYTE *dst;
	MICROS *pMap;

	level_piece_id = dPiece[x][y];
	light_table_index = dLight[x][y];

	dst = &gpBuffer[sx + sy * BUFFER_WIDTH];
	pMap = &dpiece_defs_map_2[x][y];
	cel_transparency_active = (BYTE)(nTransTable[level_piece_id] & TransList[dTransVal[x][y]]);
	for (int i = 0; i<MicroTileLen>> 1; i++) {
		arch_draw_type = i == 0 ? 1 : 0;
		level_cel_block = pMap->mt[2 * i];
		if (level_cel_block != 0) {
			drawUpperScreen(dst);
		}
		arch_draw_type = i == 0 ? 2 : 0;
		level_cel_block = pMap->mt[2 * i + 1];
		if (level_cel_block != 0) {
			drawUpperScreen(dst + 32);
		}
		dst -= BUFFER_WIDTH * 32;
	}

	scrollrt_draw_dungeon(x, y, sx, sy, eflag);
}

/**
 * This variant checks for of screen element on the lower screen