// load objects
public void LoadFromFile()
{
// file stream object.
DataManager fileStream = new DataManager();
int count = 0;
string fullFile = "";
// loads content
fileStream.ClearAllDataRecordsFromManager(); // clear existing content
fullFile = GetFileWithPath();
// gets data
fileStream.SetDataFile(fullFile);
// if the record file is not available
if (!fileStream.FileAvailable())
{
Debug.LogError(fullFile + " not found.");
return;
}
// loads records and gets count
fileStream.LoadDataRecords();
count = fileStream.GetDataRecordAmount();
// loads children
bool childLoad = (loadAsChildren && parent != null);
// grabs all items, with each record representing one item
for (int i = 0; i < count; i++)
{
GameObject newObject = null;
byte[] byteData = fileStream.GetDataFromManager(i);
object objectData = DataManager.DeserializeObject(byteData);
SerializedObject serialData = (SerializedObject)(objectData); // gets to this line, then stops.
newObject = SerializableObject.Unpack(serialData);
// if the objects should be loaded as children of the current object.
if (childLoad)
{
newObject.transform.parent = parent.transform;
}
// if a new object was generated, add it to the list.
if (newObject != null)
{
objects.Add(newObject);
}
}
fileStream.ClearAllDataRecordsFromManager();
Destroy(fileStream);
Debug.Log("Load Successful!");
}
// for some reason Unity doesn't like these functions
// packs data and returns it as byte array
// public static byte[] PackToBytes(GameObject entity, string prefabPath = "")
// {
// SerializedObject obj = Pack(entity, prefabPath);
// byte[] data = FileStream.SerializeObject(entity);
// return data;
// }
//
// // packs data and returns it as byte array
// public byte[] PackToBytes(string prefabPath = "")
// {
// return PackToBytes(gameObject, prefabPath);
// }
// the unpack functions are all static since these are meant to load in game objects
// unpacks the serialized object
// there's no local Unpack since a new object would need to be created, then its values would need to be instaniated.
public static GameObject Unpack(SerializedObject serializedObject)
{
// if the serialized object is empty, return null.
if (serializedObject == null)
{
return(null);
}
// game object
GameObject gameObject;
// PARENT //
// there is a prefab - load prefab
if (serializedObject.prefabPath != "")
{
Object newObject = Resources.Load(serializedObject.prefabPath);
gameObject = Instantiate((GameObject)newObject);
gameObject.name = serializedObject.name;
}
else // there is no prefab - load from type
{
gameObject = new GameObject(serializedObject.name);
}
// sets values for transformation
gameObject.transform.position = SerializedObject.Vec3ToUnityVector3(serializedObject.position);
gameObject.transform.rotation = SerializedObject.QuatToQuaternion(serializedObject.rotation);
gameObject.transform.localScale = SerializedObject.Vec3ToUnityVector3(serializedObject.localScale);
// COMPONENTS //
// gets and adds components, giving them the overwritten data
foreach (SerializedComponent comp in serializedObject.components)
{
// generates a serialized object from the component.
// object objectComp = System.Activator.CreateInstance(comp.type);
Component attachedComp = null; // component
// if there is no type, move on to the next one.
if (comp.type == null)
{
continue;
}
// checks to see if the component is already attached
// (Name returns class name, .FullName returns class namespace with class name)
attachedComp = gameObject.GetComponent(comp.type.FullName);
// if the attached component is null, it means it hasn't actually been attached at.
if (attachedComp == null)
{
attachedComp = gameObject.AddComponent(comp.type); // attaches component
}
// if the component is a serializable object, call its function.
if (attachedComp is SerializableObject)
{
SerializableObject serialObject = (SerializableObject)(attachedComp);
serialObject.ImportSerializedComponent(serializedObject, comp); // passes content so it can be downcasted.
}
}
// CHILDREN //
// adds the children
foreach (SerializedObject child in serializedObject.children)
{
GameObject importedChild = SerializableObject.Unpack(child);
importedChild.transform.parent = gameObject.transform;
}
return(gameObject);
}
