Function RedrawScreenRect

src/gfx.cpp:1426–1443

* Repaints a specific rectangle of the screen. * * @param left,top,right,bottom The area of the screen that needs repainting * @pre The rectangle should have been previously marked dirty with \c AddDirtyBlock. * @see AddDirtyBlock * @see DrawDirtyBlocks * @ingroup dirty * */

 *
 */
void RedrawScreenRect(int left, int top, int right, int bottom)
{
	assert(right <= _screen.width && bottom <= _screen.height);
	if (_cursor.visible) {
		if (right > _cursor.draw_pos.x &&
				left < _cursor.draw_pos.x + _cursor.draw_size.x &&
				bottom > _cursor.draw_pos.y &&
				top < _cursor.draw_pos.y + _cursor.draw_size.y) {
			UndrawMouseCursor();
		}
	}

	if (_networking) NetworkUndrawChatMessage();

	DrawOverlappedWindowForAll(left, top, right, bottom);

	VideoDriver::GetInstance()->MakeDirty(left, top, right - left, bottom - top);
}

/**
 * Repaints the rectangle blocks which are marked as 'dirty'.