Function VpSetPresizeRange

src/viewport.cpp:2853–2869

* Highlights all tiles between a set of two tiles. Used in dock and tunnel placement * @param from TileIndex of the first tile to highlight * @param to TileIndex of the last tile to highlight */

 * @param to TileIndex of the last tile to highlight
 */
void VpSetPresizeRange(TileIndex from, TileIndex to)
{
	uint64_t distance = DistanceManhattan(from, to) + 1;

	_thd.selend.x = TileX(to) * TILE_SIZE;
	_thd.selend.y = TileY(to) * TILE_SIZE;
	_thd.selstart.x = TileX(from) * TILE_SIZE;
	_thd.selstart.y = TileY(from) * TILE_SIZE;
	_thd.next_drawstyle = HT_RECT;

	/* show measurement only if there is any length to speak of */
	if (distance > 1) {
		ShowMeasurementTooltips(GetEncodedString(STR_MEASURE_LENGTH, distance));
	} else {
		HideMeasurementTooltips();
	}
}

static void VpStartPreSizing()
{