/// <summary>
/// Constructs a container GameObject for the given entity under the given root object.
/// </summary>
/// <param name="entity">The entity to create a GameObject for</param>
/// <param name="root">The root object to create the GameObject under</param>
/// <returns>The created GameObject.</returns>
protected static GameObject CreateGameObject(IQueryableEntity entity, GameObject root)
{
GameObject created = null;
// There is special logic for instantiating an object If the entity contains prefab data
// that specifies it should be instantiated from a specific resource, then we load that
// resource and clone it instead of creating a new object
if (entity.ContainsData<PrefabData>()) {
string resourcePath = entity.Current<PrefabData>().PrefabResourcePath;
GameObject prefab = (GameObject)Resources.Load(resourcePath);
if (prefab == null) {
created = new GameObject("");
Debug.LogError("Unable to find prefab resource \"" + resourcePath + "\"", created);
}
else {
created = (GameObject)Instantiate(prefab);
}
}
else {
created = new GameObject("");
}
created.transform.parent = root.transform;
return created;
}
public static bool ContainsData <T>(this IQueryableEntity entity) where T : Data.IData
{
return(entity.ContainsData(DataMap <T> .Accessor));
}
private void ComputeDataTypes(IEnumerable<Type> requiredTypes, IQueryableEntity entity,
out List<Type> missing, out List<Type> contained)
{
missing = new List<Type>();
contained = new List<Type>();
foreach (var type in requiredTypes) {
DataAccessor accessor = new DataAccessor(type);
if (entity.ContainsData(accessor)) {
contained.Add(type);
}
else {
missing.Add(type);
}
}
}