Method OnPlaceObject

src/industry_gui.cpp:700–727

	}

	void OnPlaceObject([[maybe_unused]] Point pt, TileIndex tile) override
	{
		bool success = true;
		/* We do not need to protect ourselves against "Random Many Industries" in this mode */
		const IndustrySpec *indsp = GetIndustrySpec(this->selected_type);
		uint32_t seed = InteractiveRandom();
		uint32_t layout_index = InteractiveRandomRange((uint32_t)indsp->layouts.size());

		if (_game_mode == GM_EDITOR) {
			/* Show error if no town exists at all */
			if (Town::GetNumItems() == 0) {
				ShowErrorMessage(GetEncodedString(STR_ERROR_CAN_T_BUILD_HERE, indsp->name),
					GetEncodedString(STR_ERROR_MUST_FOUND_TOWN_FIRST), WL_INFO, pt.x, pt.y);
				return;
			}

			AutoRestoreBackup backup_cur_company(_current_company, OWNER_NONE);
			AutoRestoreBackup backup_generating_world(_generating_world, true);
			AutoRestoreBackup backup_ignore_industry_restritions(_ignore_industry_restrictions, true);

			Command<CMD_BUILD_INDUSTRY>::Post(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY, tile, this->selected_type, layout_index, false, seed);
		} else {
			success = Command<CMD_BUILD_INDUSTRY>::Post(STR_ERROR_CAN_T_CONSTRUCT_THIS_INDUSTRY, tile, this->selected_type, layout_index, false, seed);
		}

		/* If an industry has been built, just reset the cursor and the system */
		if (success && !_settings_client.gui.persistent_buildingtools) ResetObjectToPlace();
	}

	const IntervalTimer<TimerWindow> update_interval = {std::chrono::seconds(3), [this](auto) {
		if (_game_mode == GM_EDITOR) return;