public void AddToContainer()
{
_rootRef = new RootEntityRef(_target.Entity.Hierarchy);
if (!IsAuthority)
{
return;
}
_rootRef.RootParentChanged += _rootParentChanged;
}
public void Test()
{
var a = Create(0xa);
var b = Create(0xb);
var c = Create(0xc);
var d = Create(0xd);
var rootRef = new RootEntityRef(a);
ValueTuple <MyHierarchyComponent, MyHierarchyComponent>?observedEvent = null;
rootRef.RootParentChanged += (self, oldParent, newParent) =>
{
self.Should().BeEquivalentTo(a, "Self should be the component it was constructed for");
observedEvent.Should().BeNull("Should only see a single event");
observedEvent = ValueTuple.Create(oldParent, newParent);
};
rootRef.RootParent.Should().BeEquivalentTo(a, "Self should have a root parent of itself");
b.AddChild(a.Entity);
observedEvent.Should().Be(ValueTuple.Create(a, b), "Should have seen a reparent event from a to b");
rootRef.RootParent.Should().BeEquivalentTo(b, "Parent should now be B");
observedEvent = null;
c.AddChild(b.Entity);
observedEvent.Should().Be(ValueTuple.Create(b, c), "Should have seen a reparent event from b to c");
rootRef.RootParent.Should().BeEquivalentTo(c, "Parent should now be C");
observedEvent = null;
d.AddChild(a.Entity);
observedEvent.Should().Be(ValueTuple.Create(c, d), "Should have seen a reparent event from c to d");
rootRef.RootParent.Should().BeEquivalentTo(d, "Parent should now be d");
observedEvent = null;
// Manually assert: ParentChanged event of b and c isn't set
}
public void RemoveFromContainer()
{
_rootRef.RootParentChanged -= _rootParentChanged;
_rootRef = null;
}