Examples with EquipmentSlotType org.spongepowered.api.item.inventory.property.EquipmentSlotType used on opensource projects

Example 1 with EquipmentSlotType

use of org.spongepowered.api.item.inventory.property.EquipmentSlotType in project LanternServer by LanternPowered.

the class EquipmentItemFilter method of.

/**
 * Constructs a {@link ItemFilter} for the provided
 * {@link EquipmentSlotType} property.
 *
 * @param equipmentSlotType The equipment slot type property
 * @return The equipment item filter
 */
static EquipmentItemFilter of(EquipmentSlotType equipmentSlotType) {
    checkNotNull(equipmentSlotType, "equipmentSlotType");
    final EquipmentType slotEquipmentType = equipmentSlotType.getValue();
    checkNotNull(slotEquipmentType, "value");
    final Property.Operator operator = equipmentSlotType.getOperator();
    checkArgument(operator == Property.Operator.EQUAL || operator == Property.Operator.NOTEQUAL, "Only the operators EQUAL and NOTEQUAL are supported, %s is not.", operator);
    return new EquipmentItemFilter() {

        @Override
        public boolean isValid(EquipmentType equipmentType) {
            final boolean result = ((LanternEquipmentType) slotEquipmentType).isChild(equipmentType);
            return (operator == Property.Operator.EQUAL) == result;
        }

        private boolean isValid(Optional<EquipmentProperty> optEquipmentProperty) {
            return optEquipmentProperty.map(property -> {
                final EquipmentType equipmentType = property.getValue();
                final boolean result = ((LanternEquipmentType) slotEquipmentType).isChild(equipmentType);
                return (operator == Property.Operator.EQUAL) == result;
            }).orElse(false);
        }

        @Override
        public boolean isValid(ItemStack stack) {
            return isValid(stack.getProperty(EquipmentProperty.class));
        }

        @Override
        public boolean isValid(ItemStackSnapshot stack) {
            return isValid(stack.getProperty(EquipmentProperty.class));
        }

        @Override
        public boolean isValid(ItemType type) {
            return isValid(type.getDefaultProperty(EquipmentProperty.class));
        }
    };
}