Examples with WeightedTable org.spongepowered.api.util.weighted.WeightedTable used on opensource projects

Example 6 with WeightedTable

use of org.spongepowered.api.util.weighted.WeightedTable in project SpongeCommon by SpongePowered.

the class SpongeKeyBuilder method build0.

@Override
public Key<V> build0() {
    Objects.requireNonNull(this.valueType, "The value type must be set");
    Objects.requireNonNull(this.elementType, "The element type must be set");
    BiPredicate<? super E, ? super E> includesTester = this.includesTester;
    if (includesTester == null) {
        includesTester = (e, e2) -> false;
    }
    Comparator<? super E> comparator = this.comparator;
    if (comparator == null) {
        if (Comparable.class.isAssignableFrom(GenericTypeReflector.erase(this.elementType))) {
            // noinspection unchecked
            comparator = Comparator.comparing(o -> ((Comparable) o));
        } else {
            comparator = (o1, o2) -> {
                if (o1.equals(o2))
                    return 0;
                // There could be collisions, but yeah, what can you do about that..
                if (o1.hashCode() > o2.hashCode())
                    return 1;
                return -1;
            };
        }
    }
    Supplier<E> defaultValueSupplier = () -> null;
    final Class<?> rawType = GenericTypeReflector.erase(this.valueType);
    if (ListValue.class.isAssignableFrom(rawType)) {
        defaultValueSupplier = () -> (E) new ArrayList();
    } else if (SetValue.class.isAssignableFrom(rawType)) {
        defaultValueSupplier = () -> (E) new HashSet();
    } else if (WeightedCollectionValue.class.isAssignableFrom(rawType)) {
        defaultValueSupplier = () -> (E) new WeightedTable();
    } else if (MapValue.class.isAssignableFrom(rawType)) {
        defaultValueSupplier = () -> (E) new HashMap<>();
    }
    final SpongeKey<Value<E>, E> key = new SpongeKey<>(this.key, this.valueType, this.elementType, comparator, includesTester, defaultValueSupplier);
    KeyProvider.INSTANCE.register(this.key, (Key<Value<?>>) (Object) key);
    return (Key<V>) key;
}

Example 7 with WeightedTable

use of org.spongepowered.api.util.weighted.WeightedTable in project LanternServer by LanternPowered.

the class LanternWeatherUniverse method nextWeather.

/**
 * Gets the next possible {@link LanternWeather}, ignoring
 * the last weather type.
 *
 * @return The next weather type
 */
@SuppressWarnings("unchecked")
private LanternWeather nextWeather() {
    final List<LanternWeather> weathers = new ArrayList(this.world.game.getRegistry().getAllOf(Weather.class));
    final LanternWeather current = this.weatherData.getWeather();
    weathers.remove(current);
    if (weathers.isEmpty()) {
        return current;
    }
    final WeightedTable<LanternWeather> table = new WeightedTable<>();
    weathers.forEach(weather -> table.add(weather, weather.getWeight()));
    return table.get(this.random).get(0);
}