IEnumerable <TwineOutput> ExecutePassage(TwinePassage passage)
{
foreach (TwineOutput output in passage.Execute())
{
if (output is TwineDisplay)
{
var display = (TwineDisplay)output;
var displayParams = (TwineVar[])display.Parameters.Clone();
this.PassageParameters = displayParams;
TwinePassage displayPassage = GetPassage(display.PassageName);
yield return(displayPassage);
foreach (TwineOutput innerOutput in ExecutePassage(displayPassage))
{
yield return(innerOutput);
this.PassageParameters = displayParams; // do this again because inner display macros can override this
}
PassageParameters = null;
}
else
{
yield return(output);
}
}
}
void Enter(string passageName)
{
_passageWaitingToEnter = null;
this.Output.Clear();
this.Text.Clear();
this.Links.Clear();
this.PassageParameters = null;
_passageUpdateHooks = null;
TwinePassage passage = GetPassage(passageName);
this.Tags = (string[])passage.Tags.Clone();
this.PreviousPassageName = this.CurrentPassageName;
this.CurrentPassageName = passage.Name;
// Update visited counters for passages and tags
int visitedPassage;
if (!_visitedCountPassages.TryGetValue(passageName, out visitedPassage))
{
visitedPassage = 0;
}
_visitedCountPassages[passageName] = visitedPassage + 1;
for (int i = 0; i < passage.Tags.Length; i++)
{
string tag = passage.Tags[i];
int visitedTag;
if (!_visitedCountTags.TryGetValue(tag, out visitedTag))
{
visitedTag = 0;
}
_visitedCountTags[tag] = visitedTag + 1;
}
// Add output (and trigger hooks)
this.Output.Add(passage);
// Prepare the enumerator
_passageExecutor = ExecutePassage(passage).GetEnumerator();
// Get update hooks for calling during update
_passageUpdateHooks = HooksFind("Update", reverse: false, allowCoroutines: false).ToArray();
this.State = TwineStoryState.Playing;
SendOutput(passage);
HooksInvoke(HooksFind("Enter", maxLevels: 1));
// Story was paused, wait for it to resume
if (this.State == TwineStoryState.Paused)
{
return;
}
else
{
Execute();
}
}
IEnumerable<TwineOutput> ExecutePassage(TwinePassage passage)
{
foreach(TwineOutput output in passage.Execute())
{
if (output is TwineDisplay)
{
yield return output;
var display = (TwineDisplay) output;
var displayParams = (TwineVar[])display.Parameters.Clone();
this.PassageParameters = displayParams;
TwinePassage displayPassage = GetPassage(display.PassageName);
yield return displayPassage;
foreach (TwineOutput innerOutput in ExecutePassage(displayPassage))
{
yield return innerOutput;
this.PassageParameters = displayParams; // do this again because inner display macros can override this
}
PassageParameters = null;
}
else
yield return output;
}
}
