@SuppressWarnings("unchecked")
@Override
public ClientEntityPrefab load(InputStream in) {
Engine engine = Spout.getEngine();
if (!(engine instanceof Client)) {
throw new IllegalStateException("Prefabs can only be loaded on the client.");
}
final Yaml yaml = new Yaml();
final Map<? extends String, ?> resourceProperties = checkerMapStringObject.check(yaml.load(in));
if (!(resourceProperties.containsKey("Name"))
|| !(resourceProperties.containsKey("Components"))
|| !(resourceProperties.containsKey("Data"))) {
throw new IllegalStateException("A property is missing (Name, Components or Data)");
}
final Object name = resourceProperties.get("Name");
if (!(name instanceof String)) {
throw new IllegalStateException("Tried to load an entity prefab but wasn't given a name");
}
final List<? extends String> componentsPath =
checkerListString.check(resourceProperties.get("Components"));
final List<Class<? extends Component>> components = new ArrayList<Class<? extends Component>>();
for (String path : componentsPath) {
Class<?> componentClass;
try {
try {
componentClass = CommonClassLoader.findPluginClass(path);
} catch (ClassNotFoundException e) {
componentClass = Class.forName(path);
}
} catch (ClassNotFoundException e) {
throw new IllegalStateException("A component is missing: " + path);
}
if (EntityComponent.class.isAssignableFrom(componentClass)) {
components.add((Class<? extends EntityComponent>) componentClass);
} else {
throw new IllegalStateException("This is not an entity component.");
}
}
final Map<? extends String, ?> datasOld =
checkerMapStringObject.check(resourceProperties.get("Data"));
final Map<String, Object> datas = new HashMap<String, Object>();
datas.putAll(datasOld);
return new ClientEntityPrefab((Client) engine, (String) name, components, datas);
}
