/// <summary>
/// Adds the component.
/// </summary>
/// <param name="component">The component.</param>
public void AddComponent(IComponent component)
{
Components.Add(component);
var u = component as IUpdatable;
if (u != null)
{
_updatables.Add(u);
}
var d = component as IDrawable;
if (d != null)
{
_drawables.Add(d);
}
var c = component as ICollidable;
if (c != null)
{
PhysicSystem.AddCollidable(c);
}
}
private void OpenSceneIfPending(DateTime now)
{
if (_pendingSceneToOpen != null)
{
LogSystem.Debug("WORLD: opening scene {0}", _pendingSceneToOpen.GetType().Name);
// Time.
if (_time.SinceGameStart <= float.Epsilon)
{
_time.MarkAsGameStarted(now);
}
_time.MarkAsSceneStarted(now);
_time.Update(now);
// Call new scene initialization, in this moment the scene decide which components will be kept
// on world and wich objects will be removed.
_pendingSceneToOpen.Initialize();
// Remove the scene survivors from components to remove.
var sceneSurvivables = _componentsToRemove
.Where(c => (c is ISceneSurvivable) && ((ISceneSurvivable)c).CanSurvive(CurrentScene, _pendingSceneToOpen));
sceneSurvivables.EnableAll();
_componentsToRemove = _componentsToRemove.Except(sceneSurvivables).ToList();
// Remove the components selected by the scene to be removed from world.
foreach (var c in _componentsToRemove)
{
Components.Remove(c);
_updatables.Remove(c as IUpdatable);
_drawables.Remove(c as IDrawable);
PhysicSystem.RemoveCollidable(c as ICollidable);
}
_componentsToRemove.Clear();
// Change the current world scene.
CurrentScene = _pendingSceneToOpen;
_pendingSceneToOpen = null;
LogSystem.Debug("WORLD: scene opened");
}
else
{
_time.Update(now);
}
}
/// <summary>
/// Update the instance.
/// </summary>
/// <param name="now">The current real world time.</param>
public void Update(DateTime now)
{
OpenSceneIfPending(now);
CurrentScene.Update();
var updatablesCount = _updatables.Count;
_drawablesCount = _drawables.Count;
IUpdatable current;
for (int i = 0; i < updatablesCount; i++)
{
current = _updatables[i];
if (current.Enabled)
{
current.Update();
}
}
PhysicSystem.Update();
InputSystem.Update();
}