When used to set the loop state, returns a reference to the current AudioTrack instance for chaining. If you need to know if the player has ever been to a particular passage, then you must use the State.hasPlayed() method or the hasVisited() story function. It would probably help if you were more specific as to your goal. Adds the named property to the settings object and a toggle control for it to the Settings dialog. If multiple passage titles are given, returns the logical-AND aggregate of the seti.e., true if all were found, false if any were not found. The SaveSystem API object has been renamed to Save and several of its methods have also changed, for better consistency with the other APIs. This setting exists because it's unlikely that you'll ever want to actually perform an assignment within a conditional expression and typing = when you meant === (or ==) is a fairly easy to mistake makeeither from a finger slip or because you just don't know the difference between the operators. The StoryInit special passage is normally the best place to set up groups. This method will not return "code" passagesi.e., script, stylesheet, and widget passages. This setting property has been updated to accept function values and its acceptance of string values has been deprecated. Determines whether the <> macro types out content on previously visited passages or simply outputs it immediately. In SugarCube, they come in two types: story variables and temporary variables. Note: They serve the same basic purpose as the <> macro, but are run each time passage navigation occurs. Stops playback of all currently registered tracks and force them to drop any existing data. Examples of good uses: achievement tracking, new game+ data, playthrough statistics, etc. The debug views may be toggled via the Views button. State.current is not a synonym for State.active. Returns whether a Passage object referenced by the given title exists. See Guide: Media Passages for more information. Returns the playlist's total playtime in seconds, Infinity if it contains any streams, or NaN if no metadata exists. Universal Inventory System (UInv) for Twine 2/SugarCube 2 If you want to return to a previously visited passage, rather than undo a moment within the history, see the <> macro or the previous() function. For example: See: The config object has been renamed to Config and some of its properties have also changed. Returns whether the engine is rendering the incoming passage. Furthermore, it is no longer instantiated into the legacy state objectwhich still exists, so legacy code will continue to work. SugarCube is a free (gratis and libre) story format for Twine/Twee. older versions of Twine2 used a icon for the same purpose. This method has been deprecated and should no longer be used. Note: Returns whether playback of the track has been paused. This should not be done lightly if your audio sources are on the network, as it forces players to begin downloading them. Temporary variables were added in v2.3.0. Warning: A new moment is created whenever passage navigation occurs, and only when passage navigation occurs. Outputs a string representation of the result of the given expression. The array-like object stored in the _args variable should be treated as though it were immutablei.e., unable to be modifiedbecause in the future it will be made thus, so any attempt to modify it will cause an error. Calling the State.prng.init() methodformerly History.initPRNG()outside of story initialization will now throw an error. Warning: For example: Determines whether the output of the Wikifier is post-processed into more sane markupi.e., where appropriate, it tries to transition the plethora of
elements into

elements. Unsets story $variables and temporary _variables. To update the value associated with a key, simply set it again. The core menu item for the Settings dialog. Initializes the seedable pseudo-random number generator (PRNG) and integrates it into the story state and saves. Twee Code "Arrays": SugarCube (v2.18) Summary Arrays are a collection of values. See Config.macros.maxLoopIterations for more information. Those that do not bundle SugarCube v2: Only the older Twine2.0 series. Note: Happens after the displayi.e., outputof the incoming passage. May also be, and often is, used to add additional story UI elements and content to the UI bar. Comments used within passage markup are not rendered into the page output. Global event triggered as the last step in opening the dialog when Dialog.open() is called. In general, look to the, Replaced the ungainly link text syntax, The various Options macros have been removed. Used within <> macros. Returns how much remains of the playlist's total playtime in seconds, Infinity if it contains any streams, or NaN if no metadata exists. Elements that include either a data-init-passage or data-passage content attribute should not themselves contain additional elementssince such elements' contents are replaced each turn via their associated passage, any child elements would be lost. Returns the total number (count) of played moments within the extended past history (expired + past). Returns whether a fade is in-progress on the track. Macro handlers are called with no arguments, but with their this set to a macro (execution) context object. The story menu only displays linksspecifically, anything that creates an anchor element (). Returns the save object from the autosave or null, if there was no autosave. Because replacement is recursive, care must be taken to ensure infinite loops are not createdthe system will detect an infinite loop and throw an error. Using <> to automatically forward players from one passage to another with no input from them will both create junk moments within the story history and make it extremely difficult for players to navigate the history. Returns a callback function that wraps the specified callback functions to provide access to the variable shadowing system used by the <> macro. This is an estimate calculated by the browser based upon the currently downloaded data and the download rate. Here's a simple example whose constructor takes a single config/option object parameter: Creating a new instance of this ContactInfo example would be something like: Here's a simple example whose constructor takes multiple discrete parameters: Here's a simple example whose constructor takes multiple discrete parameters, but also includes an ._init() helper method to allow the .clone() and .toJSON() methods to require less manual tinkering than the previous discrete parameters example by automatically copying an instance's own data: Media passages are simply a way to embed media into your projectspecially tagged passages that contain the data URI of a Base64-encoded media source. Gets or sets the mute state for the master volume (default: false). Gets or sets the playlist's volume level (default: 1). TwineScript in SugarCube is, essentially, JavaScript with an extra spoonful of sugar on top to make it a bit nicer for the uninitiated. Attempting to do so will, usually, result in something that's non-functional. Shorthand for jQuery's .on() method applied to the audio element. Creates a checkbox, used to modify the value of the variable with the given name. The story metadata, like saves, is tied to the specific story it was generated with. Note: Note: Returns whether the named template exists. Selects all internal link elements within the passage element whose passages are not within the in-play story historyi.e., passages the player has never been to before. Audio tracks encapsulate and provide a consistent interface to an audio resource. There are cases, however, where things get a bit more complicated, namely: instances where you need to pass the name of a variable as an argument, rather than its value, and those where you want to pass the result of an expression as argument. Harlowe has stricter typing than SugarCube, requiring authors to call macros like (str:) or (num:) on variables to change their type. Furthermore, it is no longer instantiated into the legacy macros objectwhich still exists, so SugarCube-compatible legacy macros will continue to work. Does not modify the original. Returns the number of times that the given member was found within the array, starting the search at position. If no conditional expression is given, it is equivalent to specifying true. Causes any output generated within its body to be discarded, except for errors (which will be displayed). See <> for more information. Intended to allow authors to easily wrap their custom object types (a.k.a. The audio subsystem is based upon the HTML Media Elements APIs and comes with some built-in limitations: Pauses playback of all currently registered tracks and, if they're not already in the process of loading, force them to drop any existing data and begin loading. SugarCube 1.x - The legacy version . Group IDs allow several tracks to be selected simultaneously without needing to specify each one individually. Note: Note: If you simply want to apply actions to multiple tracks simultaneously, then you want a group instead. The Share dialog only displays linksspecifically, anything that creates an anchor element (). Returns the last Unicode code point within the string. The mute-on-hidden state controls whether the master volume is automatically muted/unmuted when the story's browser tab loses/gains visibility. blazing fast internet with unlimited dataespecially true for mobile users. Returns whether fullscreen mode is currently active. Arrays can be created by assigning a variable to the array literal, which is a pair of brackets ([]): <>. SugarCube features a configurable autosave system. The body of the page. Warning: Configurable, see Config.passages.start for more information. See the forget() function for its replacement. Wikifies the given content source(s) and discards the result. Returns whether the engine is processing a turni.e., passage navigation has been triggered. If you want to undo previous moments within the history, rather than return to a passage, see the <> macro. Immediately forwards the player to the passage with the given name. See the :passagerender event for its replacement. API members dealing with the history work upon either the active momenti.e., presentor one of the history subsets: the full in-play historyi.e., past + futurethe past in-play subseti.e., past onlyor the extended past subseti.e., expired + past. The story title is used to create the storage ID that is used to store all player data, both temporary and persistent. Intended for social media links. Allows custom processing of passage text. Returns the number of turns that have passed since the last instance of the passage with the given title occurred within the story history or -1 if it does not exist. Returns whether the given substring was found within the string, starting the search at position. See Also: Deprecated: Harlowe's implementation of data types differs significantly from SugarCube's. Registers the passage as an initialization passage. All DOM macros require the elements to be manipulated to be on the page. This setting is only used to set the version property of saves. Determines whether alternate passage descriptions are used by the Saves and Jump To menusby default an excerpt from the passage is used. Selects the element that contains passage elements. If you want to change the font or color, then you'll need to change the styling of the macro-type class. Does not modify the original. Gets or sets the playlist's randomly shuffled playback state (default: false). Executes its contents after the given delay, inserting any output into the passage in its place. Several UI API methods have moved to the new Dialog API. Moves backward one moment within the full history (past + future), if possible, activating and showing the moment moved to. Functionally identical to <>. The document element. Note: Story variables are a part of the story history and exist for the lifetime of a playthrough session. When a widget is called, any existing _args variable, and for container widgets _contents, is stored for the duration of the call and restored after. A Twine Cheat Sheet (a start, at least) Story Formats There are three basic story formats: Harlowe Snowman SugarCube Unfortunately, not all of the formatting syntax below work with each of these formats. Building an inventory in Twine 2 with the built-in Harlowe macros The story metadata store is not, and should not be used as, a replacement for saves. This method has been deprecated and should no longer be used. When used to set the shuffle state, returns a reference to the current AudioList instance for chaining. classes) guide for more information. Creates a radio button, used to modify the value of the variable with the given name. Unsupported object types, either native or custom, can be made compatible by implementing .clone() and .toJSON() methods for themsee the Non-generic object types (a.k.a. See: For example, the following is the data URI of a Base64-encoded PNG image of a red dot (): Generally, it's expected that you will use a compiler that supports the automatic creation of media passages, however, they may be created manually. Returns the size of the story metadata storei.e., the number of stored pairs. This is only really useful when you want to invoke a macro for its side-effects and aren't interested in its output. You will, very likely, never need to use State.current directly within your code. Returns an AudioRunner instance for the tracks matching the given selector. The DOM ID of the passage, created from the slugified passage title. Testing whether an array contains an element can be done using the Array#includes() function; adding new items can be done using the Array#push() function. SugarCube includes polyfills for virtually all JavaScript (ECMAScript) 5 & 6 native object methodsvia the es5-shim and es6-shim polyfill libraries (shims only, no shams)so they may be safely used even if your project will be played in ancient browsers that do not natively support them. If the condition evaluates to false and an <> or <> exists, then other contents can be executed. Now, load the saved story from before the changes were made, and you'll see $y is undefined, since it doesn't exist at all in the loaded state. This property is automatically set based on whether you're using a testing mode in a Twine compileri.e., Test mode in Twine2, Test Play From Here in Twine1, or the test mode option (-t, --test) in Tweego. This macro has been deprecated and should no longer be used. Note: Subtracts the value on the right-hand side of the operator from the current value on the left-hand side and assigns the result to the left-hand side. The core of what it does is simply to wrap a call to Dialog.open() within a call to .ariaClick(), which can be done directly and with greater flexibility. This feature is largely incompatible with private browsing modes, which cause all in-browser storage mechanisms to either persist only for the lifetime of the browsing session or fail outright. Starts playback of the track and fades it between the specified starting and destination volume levels over the specified number of seconds. There's no way for the system to know ahead of time whether it's safe to re-execute a passage's contents. Code like <> seems to have no effect because the startup state is replaced by the of the incoming state, but they are still executed by the engine. Renders the selected passage into the target element, replacing any existing content, and returns the element. It is strongly recommended that you use only one stylesheet passage. Only useful when you have an asynchronous callback that invokes code/content that needs to access story and/or temporary variables shadowed by <>. Warning: By default, it uses Math.random() as its source of (non-deterministic) randomness, however, when the seedable PRNG has been enabled, via State.prng.init(), it uses that (deterministic) seeded PRNG instead. This array keeps a list of all the things that get put in the inventory. Due to various limitations in its design, if you're using Twine2 as your IDE/compiler, then it is strongly recommended that you do not create more than a few media passages and definitely do not use large sources. Returns the given number clamped to the specified bounds. Global event triggered once just before the dismissal of the loading screen at startup. See Engine API for more information. Universal Inventory System (UInv) for Twine 2 / SugarCube 2 - GitHub - HiEv/UInv: Universal Inventory System (UInv) for Twine 2 / SugarCube 2. . State API. This macro has been deprecated and should no longer be used. Creates a single-use passage link that deactivates itself and all other <> links within the originating passage when activated. For example, the following will not work because the macro parser will think that you're passing five discrete arguments, rather than a single expression: You could solve the problem by using a temporary variable to hold the result of the expression, then pass that to the macro. The controls of the Settings dialog automatically call this method when settings are changed, so you should normally never need to call this method manually. Roughly equivalent to the :passagestart event. Gets or sets the mute-on-hidden state for the master volume (default: false). If you need to run the same code on multiple passages, consider using the PassageDone special passage or, for a JavaScript/TwineScript solution, a :passagedisplay event instead. Creates a listbox, used to modify the value of the variable with the given name. To simply add a delay to the dismissal of the loading screen to hide initial flashes of unstyled content (FOUC)e.g., style changes and page reflowsyou do not need to use this API. The active passage's tags will be added to its data-tags attribute and classes (see: Passage Conversions). May be called either with the passage name or with a link markup. Text Adventure Command Input macro for SugarCube 2 and Twine. Should the history exceed the limit, states will be dropped from the past (oldest first). See Template API for more information. Warning: Macros fall into two broad categories based on the kind of arguments they accept: those that want an expressione.g., <> and <>and those that want discrete arguments separated by whitespacee.g., <> and <

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