Method OnPlaceDrag

src/tree_gui.cpp:224–237

	}

	void OnPlaceDrag(ViewportPlaceMethod select_method, [[maybe_unused]] ViewportDragDropSelectionProcess select_proc, [[maybe_unused]] Point pt) override
	{
		if (_game_mode != GM_EDITOR && this->mode == PM_NORMAL) {
			VpSelectTilesWithMethod(pt.x, pt.y, select_method);
		} else {
			TileIndex tile = TileVirtXY(pt.x, pt.y);

			if (this->mode == PM_NORMAL) {
				Command<CMD_PLANT_TREE>::Post(tile, tile, this->tree_to_plant, false);
			} else {
				this->DoPlantForest(tile);
			}
		}
	}

	void OnPlaceMouseUp([[maybe_unused]] ViewportPlaceMethod select_method, ViewportDragDropSelectionProcess select_proc, [[maybe_unused]] Point pt, TileIndex start_tile, TileIndex end_tile) override
	{