private int?LabelToOffset(ActorFrame frame)
{
ActorFlowControl flowControl = frame.FlowControl;
ActorStateBranch type = flowControl.FlowType;
Debug.Assert(type == ActorStateBranch.Goto || type == ActorStateBranch.Loop, "Expected Goto or Loop label here only");
int? index;
UpperString label = flowControl.Label.Value;
if (type == ActorStateBranch.Goto && flowControl.Parent)
{
UpperString parent = flowControl.Parent.Value;
index = GetSuperOrParent(parent, label);
if (index == null)
{
Log.Error($"Unable to find label: {parent}::{label}");
return(null);
}
}
else
{
index = Labels[label];
if (index == null)
{
Log.Error($"Unable to find label: {label}");
return(null);
}
}
// The offset to the label is the delta from our current position,
// plus any extra offset that the flow control will have provided.
return(index.Value - frame.FrameIndex + flowControl.Offset);
}
public ActorFrame(ActorFrame other)
{
FrameIndex = other.FrameIndex;
Sprite = other.Sprite;
Ticks = other.Ticks;
Properties = new ActorFrameProperties(other.Properties);
ActionFunction = other.ActionFunction.Map(af => new ActorActionFunction(af));
FlowControl = new ActorFlowControl(other.FlowControl);
NextStateOffset = other.NextStateOffset;
}
public ActorStates(ActorDefinition owner, ActorStates other, UpperString parentName) :
this(owner)
{
foreach (ActorFrame frame in other.Frames)
{
ActorFrame newFrame = new ActorFrame(frame);
Frames.Add(newFrame);
}
Labels = new ActorStateLabels(other.Labels, parentName);
// Note: We are not copying flow overrides because they should be
// specific to their object definition.
}