public Storyboard()
{
Root = new StoryboardBlock(null);
current = Root;
stack = new Stack <StoryboardBlock>();
Context = new StoryContext();
}
private StoryboardParser(XmlReader reader, Dictionary <string, Trophy>?trophies)
{
this.reader = reader;
this.trophies = trophies;
storyboard = new Storyboard();
blocks = new Stack <StoryboardBlock>();
currentBlock = storyboard.Root;
}
private async Task <bool> MoveAsync(bool forward)
{
var block = current;
if (block.Current is not null)
{
await block.Current.LeaveAsync(Context);
}
for (; ;)
{
var item = forward ? await block.MoveNextAsync(Context) : await block.MovePreviousAsync(Context);
if (item == null)
{
if (!stack.TryPop(out block))
{
await HandleContextChangingItemsAsync(forward);
Context.CurrentItem = null;
return(false);
}
if (block.Current != null)
{
await block.Current.LeaveAsync(Context);
block.Current = null;
}
current = block;
}
else
{
if (item.ChangesContext)
{
StoreContextChangingItem(item);
}
if (item.Block == null)
{
if (item.IsPause)
{
Context.CurrentItem = item;
return(true);
}
await item.LeaveAsync(Context);
}
else
{
stack.Push(block);
current = item.Block;
block = item.Block;
}
}
}
}
private void OpenBlock(IStoryboardItem item)
{
blocks.Push(currentBlock);
if (item.Block == null)
{
throw new InvalidOperationException();
}
Add(item);
currentBlock = item.Block;
}
private static T Get <T>(StoryboardBlock block, bool single) where T : IStoryboardItem
{
var item = block.ForwardQueue.Dequeue();
item.Should().BeOfType <T>();
if (single && block.ForwardQueue.Count > 0)
{
var type = block.ForwardQueue.Peek().GetType();
throw new Exception($"Era esperado que '{typeof(T).Name}' fosse o último elemento do bloco, mas existe um elemento '{type.Name}' depois dele.");
}
return((T)item);
}
private void CloseBlock() => currentBlock = blocks.Pop();
public InterlocutorMoodItem(string name, ICondition?condition)
{
Name = name;
Condition = condition;
Block = new StoryboardBlock(this);
}
public ConditionItem(ICondition?condition)
{
Condition = condition;
Block = new StoryboardBlock(this);
}
public InterlocutorSpeechItem(ICondition?condition)
{
Condition = condition;
Block = new StoryboardBlock(this);
}
public ProtagonistItem(ICondition?condition)
{
Condition = condition;
Block = new StoryboardBlock(this);
}
public PromptItem(Prompt prompt, ICondition?condition)
{
Prompt = prompt;
Condition = condition;
Block = new StoryboardBlock(this);
}
public ProtagonistMoodItem(string name, ICondition?condition)
{
Name = name;
Condition = condition;
Block = new StoryboardBlock(this);
}
