protected override bool _OnRegister(TorqueObject owner)
{
if (!base._OnRegister(owner))
return false;
// record our scene object
_sceneObject = owner as T2DAnimatedSprite;
// make sure this component is being used properly
// (this might be too strict, but better safe than sorry)
if (_sceneObject == null || _sceneObject.MountedTo == null)
{
Assert.Fatal(false, "ActorPuppetComponent must be used on a T2DAnimatedSprite that's mounted to a T2DSceneObject that has an ActorComponent. \n\nThe owner of the ActorPuppetComponent will be deleted if this message is ignored.");
owner.MarkForDelete = true;
return false;
}
// find the actor component of the object we're mounted to
if (_sceneObject.MountedTo.TestObjectType(PlatformerData.ActorObjectType))
_master = _sceneObject.MountedTo.Components.FindComponent<ActorComponent>();
// make sure there is a valid actor
if (_master == null)
{
Assert.Fatal(false, "ActorPuppetComponent must be used on a T2DAnimatedSprite that's mounted to a T2DSceneObject that has an ActorComponent. \n\nThe owner of the ActorPuppetComponent will be deleted if this message is ignored.");
owner.MarkForDelete = true;
return false;
}
// create the dummy pivot object
_pivotObject = new T2DSceneObject();
_pivotObject.Size = _master.Actor.Size;
_pivotObject.Position = _master.Actor.Position;
_pivotObject.CreateWithLinkPoints = true;
TorqueObjectDatabase.Instance.Register(_pivotObject);
// get the current offset of the mounted puppet sprite
_sceneObject.SnapToMount();
Vector2 offset = (_sceneObject.Position - _master.Actor.Position) / (_master.Actor.Size / 2);
// account for flipped objects
// (when the mount position is updated it will reverse this if it was supposed to be flipped)
if (_master.Actor.FlipX)
offset.X = -offset.X;
if (_master.Actor.FlipY)
offset.Y = -offset.Y;
// do the big switcheroo
// (mount pivot object offset by actorPivotOffset to the center of the master actor
// scene object and offset by actorPivotOffset)
_pivotObject.LinkPoints.AddLinkPoint("SpriteOffset", offset, 0);
_master.Actor.LinkPoints.AddLinkPoint("Center", Vector2.Zero, 0);
_pivotObject.Mount(_master.Actor, "Center", _actorPivotOffset, 0, true);
_pivotObject.SnapToMount();
_sceneObject.Dismount();
_sceneObject.Mount(_pivotObject, "SpriteOffset", -_actorPivotOffset, 0, true);
_sceneObject.SnapToMount();
// make sure we have the correct mounting settings
// (it's only actually neccesary that TrackMountRotation be false if the
// RotateToGroundSurface is enabled.
// the other field values just make good sense)
_sceneObject.TrackMountRotation = true;
_sceneObject.IsOwnedByMount = true;
_sceneObject.InheritMountFlip = true;
_sceneObject.InheritMountVisibility = true;
_sceneObject.UseMountForce = false;
_pivotObject.TrackMountRotation = false;
_pivotObject.IsOwnedByMount = true;
_pivotObject.InheritMountFlip = true;
_pivotObject.InheritMountVisibility = true;
_pivotObject.UseMountForce = false;
// set the master's AnimatedSprite property to this object
// (note: it's possible that this overwrites another ActorPuppet on the master
// object. as to why you would ever need two animated sprite puppets on the
// same actor, i have no clue)
_master.AnimatedSprite = _sceneObject;
_master.ActorPuppet = this;
// set the proper object type of this component's owner
_sceneObject.SetObjectType(PlatformerData.ActorObjectType, true);
return true;
}
