Function CmdTownCargoGoal

src/town_cmd.cpp:3143–3163

* Change the cargo goal of a town. * @param flags Type of operation. * @param town_id Town ID to cargo game of. * @param tae TownEffect to change the game of. * @param goal The new goal value. * @return Empty cost or an error. */

 * @return Empty cost or an error.
 */
CommandCost CmdTownCargoGoal(DoCommandFlags flags, TownID town_id, TownAcceptanceEffect tae, uint32_t goal)
{
	if (_current_company != OWNER_DEITY) return CMD_ERROR;

	if (tae < TAE_BEGIN || tae >= TAE_END) return CMD_ERROR;

	Town *t = Town::GetIfValid(town_id);
	if (t == nullptr) return CMD_ERROR;

	/* Validate if there is a cargo which is the requested TownEffect */
	const CargoSpec *cargo = FindFirstCargoWithTownAcceptanceEffect(tae);
	if (cargo == nullptr) return CMD_ERROR;

	if (flags.Test(DoCommandFlag::Execute)) {
		t->goal[tae] = goal;
		UpdateTownGrowth(t);
		InvalidateWindowData(WC_TOWN_VIEW, town_id);
	}

	return CommandCost();
}

/**
 * Set a custom text in the Town window.