/// <summary>
/// Look up the internal GameObject for an object by object id and
/// return the C# object state for it.
///
/// The routine does not create the object state for an object id
/// that is valid but unrecognized to us (i.e. that we have not yet
/// seen even though it exists engine-side).
/// </summary>
/// <param name="ObjectId">Supplies the object id to look up.</param>
/// <returns>The corresponding C# object state, else null.</returns>
public GameObject GetGameObject(uint ObjectId)
{
GameObject GameObj;
if (ObjectId == CLRScriptBase.OBJECT_INVALID)
{
return(null);
}
if (!GameObjectTable.TryGetValue(ObjectId, out GameObj))
{
return(null);
}
//
// Even though we have a record of the object in our lookup table,
// the engine may have already removed its representation of the
// object. In that case, pretend that the object state doesn't
// exist for purposes of by-object-id lookups.
//
if (!GameObj.Exists)
{
return(null);
}
return(GameObj);
}
public Machine(ILogger logger, IInputStream inputStream)
{
Memory = new MachineMemory(Stream.Null);
StackFrames = new FrameCollection(logger);
ObjectTable = new GameObjectTable(this);
Decoder = new InstructionDecoder(this);
Output = new CompositeOutputStream(new DebugOutputStream(logger));
Logger = logger.ForContext <Machine>();
Input = inputStream;
}
/// <summary>
/// Insert an object into the game object table.
/// </summary>
/// <param name="Obj">Supplies the object to insert.</param>
public void AddGameObject(GameObject Obj)
{
if (GameObjectTable.ContainsKey(Obj.ObjectId))
{
GameObjectTable[Obj.ObjectId] = Obj;
}
else
{
GameObjectTable.Add(Obj.ObjectId, Obj);
}
}
public static GameObject CreateNew(string name, float destoryTime, Vector3 pos, Quaternion rot)
{
if (m_objTables.ContainsKey(name))
{
return m_objTables[name].CreateNew(destoryTime, pos, rot);
}
else
{
GameObjectTable tb = new GameObjectTable(name);
m_objTables[name] = tb;
return tb.CreateNew(destoryTime, pos, rot);
}
}
/// <summary>
/// Resolve an object ID to a GameObject without checking for deleted
/// objects that need garbage collection. This function should only
/// be used by the PowerShell diagnostics infrastructure.
/// </summary>
/// <param name="ObjectId">Supplies the object id to look up.</param>
/// <returns>The object in question, else null.</returns>
internal GameObject GetGameObjectUnsafe(uint ObjectId)
{
GameObject GameObj;
if (ObjectId == CLRScriptBase.OBJECT_INVALID)
{
return(null);
}
if (!GameObjectTable.TryGetValue(ObjectId, out GameObj))
{
return(null);
}
return(GameObj);
}
/// <summary>
/// Periodically run as a DelayCommand continuation in order to scan
/// the object table for objects whose engine parts have been deleted.
///
/// Any such objects found are removed.
///
/// It is necessary to periodically poll for deleted objects because
/// not all object types provide script events that signify deletion.
/// </summary>
private void GarbageCollectObjects()
{
//
// Scan the object table looking for objects that have had their
// engine side counterpart deleted. Add these to the object to
// delete list, but don't mark them as in rundown. This allows us
// to differentiate between which objects were still in the
// dictionary during the subsequent rundown loop (so that we can
// remove them then, as we can't modify the dictionary during the
// enumeration).
//
foreach (var Entry in GameObjectTable)
{
if (Script.GetIsObjectValid(Entry.Key) != CLRScriptBase.FALSE)
{
continue;
}
ObjectsToDelete.Add(Entry.Value);
}
//
// For every object that is scheduled for rundown, call the
// OnRundown notification and remove the object from the deletion
// list. If the object was one we moved above, remove it from the
// lookup table too (otherwise it was already removed from the
// lookup table ahead of time).
//
foreach (GameObject ObjectToRundown in ObjectsToDelete)
{
if (ObjectToRundown.IsRundown == false)
{
GameObjectTable.Remove(ObjectToRundown.ObjectId);
}
try
{
ObjectToRundown.OnRundown();
}
catch (Exception e)
{
Script.WriteTimestampedLogEntry(String.Format(
"GameObject.GarbageCollectObjects(): Exception {0} running rundown for object {1} of type {2}.", e, ObjectToRundown.ObjectId, ObjectToRundown.ObjectType));
}
}
//
// Now that we have ran through the object to delete list, clear it
// out (the last reference that the underlying object system has to
// these object ids).
//
ObjectsToDelete.Clear();
//
// Schedule the next garbage collection.
//
Script.DelayCommand(60.0f, delegate() { GarbageCollectObjects(); });
}
/// <summary>
/// Remove an object from the game object table.
/// </summary>
/// <param name="Obj">Supplies the object to remove.</param>
public void RemoveGameObject(GameObject Obj)
{
GameObjectTable.Remove(Obj.ObjectId);
ObjectsToDelete.Add(Obj);
}
public GameObjectService(ErrorService errorService, Project project)
{
_errorService = errorService;
_project = project;
GameObjectTable = new GameObjectTable();
localGameObjects = JsonConvert.DeserializeObject <GameObject[]>(JsonConvert.SerializeObject(_project.GameObjects));
for (int i = 0; i < localGameObjects.Length; i++)
{
if (localGameObjects[i] == null)
{
localGameObjects[i] = new GameObject()
{
Group = "Unused",
GameId = i,
GameObjectType = GameObjectType.Global,
Name = "Unused x" + i.ToString("X"),
Sprites = new List <Sprite>()
{
new Sprite()
{
Overlay = true, X = 0, Y = 0, TileValueIndex = 8
},
new Sprite()
{
Overlay = true, X = 0, Y = 0, TileValueIndex = 0x0A
}
}
};
}
}
RefreshGameObjectTable();
_startPointPalette = new string[4] {
"00", "0F", "36", "16"
};
_startPointGameObject = new GameObject()
{
GameId = 0,
Name = "Start Point",
Sprites = new List <Sprite>()
{
new Sprite()
{
X = 0,
Y = 0,
TileValueIndex = 0x8,
TileTableIndex = 4,
CustomPalette = _startPointPalette,
Overlay = true
},
new Sprite()
{
X = 8,
Y = 0,
TileValueIndex = 0xA,
TileTableIndex = 4,
CustomPalette = _startPointPalette,
Overlay = true
}
}
};
}
