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Best Practice for Smart "Return" in SugarCube 2
With SugarCube we have the <<back>> and <<return>> macros.
There doesn't seem to be built in functionality to "return" to the most recent passage that does not have a certain tag.
I need this functionality because I have StoryMenu passages that change state (you can wear things inside the inventory), so the user can't just navigate backwards as that would undo the wear action.
Vanilla <<return>> is also not viable since I have multiple StoryMenu passages. If both of them use <<return>> as the escape mechanism, deadlock can occur where I visit them in succession, so that <<return>> in each passage refers to the other StoryMenu passage (I've seen this in a couple of games
).
I'm wondering what would be the best way to build in this functionality?
As a widget or pure JS function? (what advantages/disadvantages)
For JS function, I'm thinking something like:
How can I extract the passageTitle from a moment? The documentation doesn't describe what a moment(state) object is...
As for building it as a widget, only the "tags" story function seems promising and I have no idea how to see the passage names past the previous one inside the story.
There doesn't seem to be built in functionality to "return" to the most recent passage that does not have a certain tag.
I need this functionality because I have StoryMenu passages that change state (you can wear things inside the inventory), so the user can't just navigate backwards as that would undo the wear action.
Vanilla <<return>> is also not viable since I have multiple StoryMenu passages. If both of them use <<return>> as the escape mechanism, deadlock can occur where I visit them in succession, so that <<return>> in each passage refers to the other StoryMenu passage (I've seen this in a couple of games
).I'm wondering what would be the best way to build in this functionality?
As a widget or pure JS function? (what advantages/disadvantages)
For JS function, I'm thinking something like:
// defined in StoryJavascript
window.returnToStory = function() {
// returns the (string) passage name of the latest story passage
var p = State.length - 1;
while (p-- > 0) {
// somehow extract passageTitle from State.index(p)
if (!Story.get(passageTitle).tags.contains("menu")) {
return passageTitle;
}
}
return "No previous story passage - something went wrong...";
}
// inside the StoryMenu passages
[[Return|<<= returnToStory()>>]]
How can I extract the passageTitle from a moment? The documentation doesn't describe what a moment(state) object is...
As for building it as a widget, only the "tags" story function seems promising and I have no idea how to see the passage names past the previous one inside the story.
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