public BehaviorTreeBuilder <T> Decorator(Decorator <T> task)
{
if (this.CurrentParent == TaskId.Invalid)
{
throw new BehaviorTreeBuilderException("No Root node defined yet, add a branch first");
}
BranchTask <T> parent = (BranchTask <T>) this.stream.Get(this.CurrentParent);
parent.AddChild(this.stream.Add(task));
if (task.ChildCount <= 0)
{
// This decorator has no child yet, wait for a fluent set of a leaf node
this.CurrentDecorator = task.Id;
}
this.CurrentLeaf = TaskId.Invalid;
return(this);
}
public BehaviorTreeBuilder <T> Branch(BranchTask <T> task)
{
this.CurrentParent = this.stream.Add(task);
if (this.CurrentDecorator != TaskId.Invalid)
{
// Decorate the branch and close the decorator out
Decorator <T> decorator = (Decorator <T>) this.stream.Get(this.CurrentDecorator);
decorator.AddChild(this.CurrentParent);
this.CurrentDecorator = TaskId.Invalid;
}
else if (this.parentStack.Count > 0)
{
// Add as a sub-branch
BranchTask <T> parent = (BranchTask <T>) this.stream.Get(this.parentStack.Peek());
parent.AddChild(this.CurrentParent);
}
this.parentStack.Push(this.CurrentParent);
this.CurrentLeaf = TaskId.Invalid;
return(this);
}
public BehaviorTreeBuilder <T> Leaf(LeafTask <T> task)
{
if (this.CurrentDecorator != TaskId.Invalid)
{
Decorator <T> decorator = (Decorator <T>) this.stream.Get(this.CurrentDecorator);
decorator.AddChild(this.stream.Add(task));
this.CurrentDecorator = TaskId.Invalid;
this.CurrentLeaf = task.Id;
return(this);
}
if (this.CurrentParent == TaskId.Invalid)
{
throw new BehaviorTreeBuilderException("No Root node defined yet, add a branch first");
}
BranchTask <T> parent = (BranchTask <T>) this.stream.Get(this.CurrentParent);
parent.AddChild(this.stream.Add(task));
this.CurrentLeaf = task.Id;
return(this);
}