Examples with PrefabSerializer org.terasology.engine.persistence.serializers.PrefabSerializer used on opensource projects

Example 1 with PrefabSerializer

use of org.terasology.engine.persistence.serializers.PrefabSerializer in project Terasology by MovingBlocks.

the class WorldSerializerTest method testNotPersistedIfFlagedOtherwise.

@Test
public void testNotPersistedIfFlagedOtherwise() throws Exception {
    EngineEntityManager entityManager = context.get(EngineEntityManager.class);
    EntityBuilder entityBuilder = entityManager.newBuilder();
    PrefabSerializer prefabSerializer = new PrefabSerializer(entityManager.getComponentLibrary(), entityManager.getTypeSerializerLibrary());
    WorldSerializer worldSerializer = new WorldSerializerImpl(entityManager, prefabSerializer);
    entityBuilder.setPersistent(false);
    // just used to express that an entity got created
    @SuppressWarnings("unused") EntityRef entity = entityBuilder.build();
    EntityData.GlobalStore worldData = worldSerializer.serializeWorld(false);
    assertEquals(0, worldData.getEntityCount());
}

Example 2 with PrefabSerializer

use of org.terasology.engine.persistence.serializers.PrefabSerializer in project Terasology by MovingBlocks.

the class PrefabDeltaFormat method apply.

@Override
public void apply(AssetDataFile assetDataFile, PrefabData assetData) throws IOException {
    try (BufferedReader deltaReader = new BufferedReader(new InputStreamReader(assetDataFile.openStream(), Charsets.UTF_8))) {
        EntityData.Prefab delta = EntityDataJSONFormat.readPrefab(deltaReader);
        PrefabSerializer serializer = new PrefabSerializer(componentLibrary, typeHandlerLibrary);
        serializer.deserializeDeltaOnto(delta, assetData);
    }
}

Example 3 with PrefabSerializer

use of org.terasology.engine.persistence.serializers.PrefabSerializer in project Terasology by MovingBlocks.

the class PrefabFormat method load.

@Override
public PrefabData load(ResourceUrn resourceUrn, List<AssetDataFile> inputs) throws IOException {
    try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputs.get(0).openStream(), Charsets.UTF_8))) {
        EntityData.Prefab prefabData = EntityDataJSONFormat.readPrefab(reader);
        if (prefabData != null) {
            if (!prefabData.hasName()) {
                prefabData = prefabData.toBuilder().setName(resourceUrn.toString()).build();
            }
            logger.debug("Deserializing prefab {} with inputs {}", resourceUrn, inputs);
            PrefabSerializer serializer = new PrefabSerializer(componentLibrary, typeHandlerLibrary);
            return serializer.deserialize(prefabData);
        } else {
            throw new IOException("Failed to read prefab for '" + resourceUrn + "'");
        }
    }
}

Example 4 with PrefabSerializer

use of org.terasology.engine.persistence.serializers.PrefabSerializer in project Terasology by MovingBlocks.

the class CoreCommands method dumpEntities.

/**
 * Writes out information on entities having specific components to a text file for debugging
 * If no component names provided - writes out information on all entities
 *
 * @param componentNames string contains one or several component names, if more then one name
 *                       provided - they must be braced with double quotes and all names separated
 *                       by space
 * @return String containing information about number of entities saved
 * @throws IOException thrown when error with saving file occures
 */
@Command(shortDescription = "Writes out information on all entities to a JSON file for debugging", helpText = "Writes entity information out into a file named \"<timestamp>-entityDump.json\"." + " Supports list of component names, which will be used to only save entities that contains" + " one or more of those components. Names should be separated by spaces.")
public String dumpEntities(@CommandParam(value = "componentNames", required = false) String... componentNames) throws IOException {
    int savedEntityCount;
    EngineEntityManager engineEntityManager = (EngineEntityManager) entityManager;
    PrefabSerializer prefabSerializer = new PrefabSerializer(engineEntityManager.getComponentLibrary(), engineEntityManager.getTypeSerializerLibrary());
    WorldDumper worldDumper = new WorldDumper(engineEntityManager, prefabSerializer);
    Path outFile = PathManager.getInstance().getHomePath().resolve(Instant.now() + "-entityDump.json");
    if (componentNames.length == 0) {
        savedEntityCount = worldDumper.save(outFile);
    } else {
        List<Class<? extends Component>> filterComponents = Arrays.stream(componentNames).map(// Trim off whitespace
        String::trim).filter(// Remove empty strings
        o -> !o.isEmpty()).map(// All component class names end with "component"
        o -> o.toLowerCase().endsWith("component") ? o : o + "component").map(o -> Streams.stream(moduleManager.getEnvironment().getSubtypesOf(Component.class)).filter(e -> e.getSimpleName().equalsIgnoreCase(o)).findFirst()).filter(Optional::isPresent).map(Optional::get).collect(Collectors.toList());
        if (!filterComponents.isEmpty()) {
            savedEntityCount = worldDumper.save(outFile, filterComponents);
        } else {
            return "Could not find components matching given names";
        }
    }
    return "Number of entities saved: " + savedEntityCount;
}