protected override void Removed(SystemRegistry registry)
{
if (Parent != null)
{
bool result = Parent._children.Remove(this);
Debug.Assert(result);
}
}
internal void InternalRemoved(SystemRegistry registry)
{
if (_enabledInHierarchy)
{
OnDisabled();
}
Removed(registry);
}
public Game()
{
_timeSystem = new TimeControlSystem();
SystemRegistry.Register(_timeSystem);
SystemRegistry.Register(new GameObjectQuerySystem(_gameObjects));
GameObject.InternalConstructed += OnGameObjectConstructed;
GameObject.InternalDestroyRequested += OnGameObjectDestroyRequested;
GameObject.InternalDestroyCommitted += OnGameObjectDestroyCommitted;
}
public void NewSceneLoaded()
{
var systemEnumerator = SystemRegistry.GetSystemsEnumerator();
while (systemEnumerator.MoveNext())
{
var kvp = systemEnumerator.Current;
kvp.Value.OnNewSceneLoaded();
}
ResetDeltaTime();
}
private void RunMainLoopCore()
{
_running = true;
_sw = Stopwatch.StartNew();
while (_running)
{
double desiredFrameTime = 1000.0 / DesiredFramerate;
long currentFrameTicks = _sw.ElapsedTicks;
double deltaMilliseconds = (currentFrameTicks - _previousFrameTicks) * (1000.0 / Stopwatch.Frequency);
while (LimitFrameRate && deltaMilliseconds < desiredFrameTime)
{
Thread.Sleep(0);
currentFrameTicks = _sw.ElapsedTicks;
deltaMilliseconds = (currentFrameTicks - _previousFrameTicks) * (1000.0 / Stopwatch.Frequency);
}
_previousFrameTicks = currentFrameTicks;
FlushDeletedObjects();
var systemEnumerator = SystemRegistry.GetSystemsEnumerator();
while (systemEnumerator.MoveNext())
{
var kvp = systemEnumerator.Current;
GameSystem system = kvp.Value;
float deltaSeconds = (float)deltaMilliseconds / 1000.0f;
system.Update(deltaSeconds * _timeSystem.TimeScale);
}
RunEndOfFrameActions();
}
var cleanupEnumerator = SystemRegistry.GetSystemsEnumerator();
while (cleanupEnumerator.MoveNext())
{
var kvp = cleanupEnumerator.Current;
GameSystem system = kvp.Value;
if (system is IDisposable)
{
((IDisposable)system).Dispose();
}
}
}
protected override void Attached(SystemRegistry registry)
{
}
internal void SetRegistry(SystemRegistry systemRegistry)
{
_registry = systemRegistry;
}
protected abstract void Removed(SystemRegistry registry);
protected abstract void Attached(SystemRegistry registry);
internal void InternalAttached(SystemRegistry registry)
{
Attached(registry);
HierarchyEnabledStateChanged();
}
internal void AttachToGameObject(GameObject go, SystemRegistry registry)
{
_attachedGO = go;
_transform = _attachedGO.Transform;
InternalAttached(registry);
}