Function CmdDoTownAction

src/town_cmd.cpp:3728–3745

* Do a town action. * This performs an action such as advertising, building a statue, funding buildings, * but also bribing the town-council * @param flags type of operation * @param town_id town to do the action at * @param action action to perform, @see _town_action_proc for the list of available actions * @return the cost of this operation or an error */

 * @return the cost of this operation or an error
 */
CommandCost CmdDoTownAction(DoCommandFlags flags, TownID town_id, TownAction action)
{
	Town *t = Town::GetIfValid(town_id);
	if (t == nullptr || to_underlying(action) >= std::size(_town_action_proc)) return CMD_ERROR;

	if (!GetMaskOfTownActions(_current_company, t).Test(action)) return CMD_ERROR;

	CommandCost cost(EXPENSES_OTHER, _price[PR_TOWN_ACTION] * GetTownActionCost(action) >> 8);

	CommandCost ret = _town_action_proc[to_underlying(action)](t, flags);
	if (ret.Failed()) return ret;

	if (flags.Test(DoCommandFlag::Execute)) {
		SetWindowDirty(WC_TOWN_AUTHORITY, town_id);
	}

	return cost;
}

template <typename Func>
static void ForAllStationsNearTown(Town *t, Func func)