private static Dictionary <uint, ISaveable> buildObjectTable(ISaveable root, SaveType saveType)
{
Dictionary <uint, ISaveable> objects = new Dictionary <uint, ISaveable>();
objects.Add(root.GetId(), root);
Stack <ISaveable> toVisit = new Stack <ISaveable>();
addUnvisitedSaveablesToStack(objects, root.GetSaveableRefs(saveType), toVisit);
while (toVisit.Count != 0)
{
ISaveable next = toVisit.Pop();
if (objects.ContainsKey(next.GetId()))
{
throw new InvalidOperationException("Cannot add same object again");
}
if (next.GetId() != VALUE_TYPE_ID)
{
objects.Add(next.GetId(), next);
}
List <ISaveable> refs = next.GetSaveableRefs(saveType);
addUnvisitedSaveablesToStack(objects, refs, toVisit);
}
return(objects);
}
public static LoadResponse Load(BinaryReader reader, SaveType saveType)
{
/* 0 - Depersist object table. */
uint rootId = 0;
bool rootFound = false;
Dictionary <uint, ISaveable> objectTable = new Dictionary <uint, ISaveable>();
int count = reader.ReadInt32();
for (int i = 0; i < count; i++)
{
uint objectId = reader.ReadUInt32();
String assemblyQualifiedTypeName = reader.ReadString();
bool isRoot = reader.ReadBoolean();
if (isRoot && rootFound)
{
throw new NotSupportedException("More than one root object defined in the save file!");
}
else if (isRoot)
{
rootFound = true;
rootId = objectId;
}
ISaveable loadedObject = constructType(assemblyQualifiedTypeName, objectId);
loadedObject.Load(reader, saveType);
objectTable.Add(loadedObject.GetId(), loadedObject);
}
if (rootFound == false)
{
throw new NotSupportedException("No root object defined in the save file!");
}
/* 1 - Inflate all objects */
inflateObjects(objectTable, saveType);
/* 2 - Construct the result object */
List <ISaveable> values = new List <ISaveable>();
foreach (ISaveable saveable in objectTable.Values)
{
values.Add(saveable);
}
LoadResponse response = new LoadResponse();
response.root = objectTable[rootId];
response.objects = values;
/* 3 - Return the response object */
return(response);
}