Function setAmmoItem

plugins/siege-engine.cpp:586–621

}

static int setAmmoItem(lua_State *L)
{
    if (!enable_plugin())
        return 0;

    auto engine = find_engine(L, 1, true);
    auto item_type = (df::item_type)luaL_optint(L, 2, item_type::BOULDER);
    if (!is_valid_enum_item(item_type))
        luaL_argerror(L, 2, "invalid item type");

    auto key = stl_sprintf("siege-engine/ammo/%d", engine->id);
    auto entry = World::GetPersistentData(key, NULL);
    if (!entry.isValid())
        return 0;

    engine->ammo_vector_id = job_item_vector_id::IN_PLAY;
    engine->ammo_item_type = item_type;

    FOR_ENUM_ITEMS(job_item_vector_id, id)
    {
        auto other = ENUM_ATTR(job_item_vector_id, other, id);
        auto type = ENUM_ATTR(items_other_id, item, other);
        if (type == item_type)
        {
            engine->ammo_vector_id = id;
            break;
        }
    }

    entry.ival(0) = engine->id;
    entry.ival(1) = engine->ammo_vector_id;
    entry.ival(2) = engine->ammo_item_type;

    lua_pushboolean(L, true);
    return 1;
}

static void forgetStockpileLink(EngineInfo *engine, int pile_id)
{