phaser4-rex-plugins
Version:
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JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.rexfsmplugin = factory());
})(this, (function () { 'use strict';
function getDefaultExportFromCjs (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
var eventemitter3 = {exports: {}};
(function (module) {
var has = Object.prototype.hasOwnProperty
, prefix = '~';
/**
* Constructor to create a storage for our `EE` objects.
* An `Events` instance is a plain object whose properties are event names.
*
* @constructor
* @private
*/
function Events() {}
//
// We try to not inherit from `Object.prototype`. In some engines creating an
// instance in this way is faster than calling `Object.create(null)` directly.
// If `Object.create(null)` is not supported we prefix the event names with a
// character to make sure that the built-in object properties are not
// overridden or used as an attack vector.
//
if (Object.create) {
Events.prototype = Object.create(null);
//
// This hack is needed because the `__proto__` property is still inherited in
// some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.
//
if (!new Events().__proto__) prefix = false;
}
/**
* Representation of a single event listener.
*
* @param {Function} fn The listener function.
* @param {*} context The context to invoke the listener with.
* @param {Boolean} [once=false] Specify if the listener is a one-time listener.
* @constructor
* @private
*/
function EE(fn, context, once) {
this.fn = fn;
this.context = context;
this.once = once || false;
}
/**
* Add a listener for a given event.
*
* @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
* @param {(String|Symbol)} event The event name.
* @param {Function} fn The listener function.
* @param {*} context The context to invoke the listener with.
* @param {Boolean} once Specify if the listener is a one-time listener.
* @returns {EventEmitter}
* @private
*/
function addListener(emitter, event, fn, context, once) {
if (typeof fn !== 'function') {
throw new TypeError('The listener must be a function');
}
var listener = new EE(fn, context || emitter, once)
, evt = prefix ? prefix + event : event;
if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;
else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);
else emitter._events[evt] = [emitter._events[evt], listener];
return emitter;
}
/**
* Clear event by name.
*
* @param {EventEmitter} emitter Reference to the `EventEmitter` instance.
* @param {(String|Symbol)} evt The Event name.
* @private
*/
function clearEvent(emitter, evt) {
if (--emitter._eventsCount === 0) emitter._events = new Events();
else delete emitter._events[evt];
}
/**
* Minimal `EventEmitter` interface that is molded against the Node.js
* `EventEmitter` interface.
*
* @constructor
* @public
*/
function EventEmitter() {
this._events = new Events();
this._eventsCount = 0;
}
/**
* Return an array listing the events for which the emitter has registered
* listeners.
*
* @returns {Array}
* @public
*/
EventEmitter.prototype.eventNames = function eventNames() {
var names = []
, events
, name;
if (this._eventsCount === 0) return names;
for (name in (events = this._events)) {
if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);
}
if (Object.getOwnPropertySymbols) {
return names.concat(Object.getOwnPropertySymbols(events));
}
return names;
};
/**
* Return the listeners registered for a given event.
*
* @param {(String|Symbol)} event The event name.
* @returns {Array} The registered listeners.
* @public
*/
EventEmitter.prototype.listeners = function listeners(event) {
var evt = prefix ? prefix + event : event
, handlers = this._events[evt];
if (!handlers) return [];
if (handlers.fn) return [handlers.fn];
for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {
ee[i] = handlers[i].fn;
}
return ee;
};
/**
* Return the number of listeners listening to a given event.
*
* @param {(String|Symbol)} event The event name.
* @returns {Number} The number of listeners.
* @public
*/
EventEmitter.prototype.listenerCount = function listenerCount(event) {
var evt = prefix ? prefix + event : event
, listeners = this._events[evt];
if (!listeners) return 0;
if (listeners.fn) return 1;
return listeners.length;
};
/**
* Calls each of the listeners registered for a given event.
*
* @param {(String|Symbol)} event The event name.
* @returns {Boolean} `true` if the event had listeners, else `false`.
* @public
*/
EventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {
var evt = prefix ? prefix + event : event;
if (!this._events[evt]) return false;
var listeners = this._events[evt]
, len = arguments.length
, args
, i;
if (listeners.fn) {
if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);
switch (len) {
case 1: return listeners.fn.call(listeners.context), true;
case 2: return listeners.fn.call(listeners.context, a1), true;
case 3: return listeners.fn.call(listeners.context, a1, a2), true;
case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;
case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;
case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;
}
for (i = 1, args = new Array(len -1); i < len; i++) {
args[i - 1] = arguments[i];
}
listeners.fn.apply(listeners.context, args);
} else {
var length = listeners.length
, j;
for (i = 0; i < length; i++) {
if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);
switch (len) {
case 1: listeners[i].fn.call(listeners[i].context); break;
case 2: listeners[i].fn.call(listeners[i].context, a1); break;
case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;
case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;
default:
if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {
args[j - 1] = arguments[j];
}
listeners[i].fn.apply(listeners[i].context, args);
}
}
}
return true;
};
/**
* Add a listener for a given event.
*
* @param {(String|Symbol)} event The event name.
* @param {Function} fn The listener function.
* @param {*} [context=this] The context to invoke the listener with.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.on = function on(event, fn, context) {
return addListener(this, event, fn, context, false);
};
/**
* Add a one-time listener for a given event.
*
* @param {(String|Symbol)} event The event name.
* @param {Function} fn The listener function.
* @param {*} [context=this] The context to invoke the listener with.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.once = function once(event, fn, context) {
return addListener(this, event, fn, context, true);
};
/**
* Remove the listeners of a given event.
*
* @param {(String|Symbol)} event The event name.
* @param {Function} fn Only remove the listeners that match this function.
* @param {*} context Only remove the listeners that have this context.
* @param {Boolean} once Only remove one-time listeners.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {
var evt = prefix ? prefix + event : event;
if (!this._events[evt]) return this;
if (!fn) {
clearEvent(this, evt);
return this;
}
var listeners = this._events[evt];
if (listeners.fn) {
if (
listeners.fn === fn &&
(!once || listeners.once) &&
(!context || listeners.context === context)
) {
clearEvent(this, evt);
}
} else {
for (var i = 0, events = [], length = listeners.length; i < length; i++) {
if (
listeners[i].fn !== fn ||
(once && !listeners[i].once) ||
(context && listeners[i].context !== context)
) {
events.push(listeners[i]);
}
}
//
// Reset the array, or remove it completely if we have no more listeners.
//
if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;
else clearEvent(this, evt);
}
return this;
};
/**
* Remove all listeners, or those of the specified event.
*
* @param {(String|Symbol)} [event] The event name.
* @returns {EventEmitter} `this`.
* @public
*/
EventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {
var evt;
if (event) {
evt = prefix ? prefix + event : event;
if (this._events[evt]) clearEvent(this, evt);
} else {
this._events = new Events();
this._eventsCount = 0;
}
return this;
};
//
// Alias methods names because people roll like that.
//
EventEmitter.prototype.off = EventEmitter.prototype.removeListener;
EventEmitter.prototype.addListener = EventEmitter.prototype.on;
//
// Expose the prefix.
//
EventEmitter.prefixed = prefix;
//
// Allow `EventEmitter` to be imported as module namespace.
//
EventEmitter.EventEmitter = EventEmitter;
//
// Expose the module.
//
{
module.exports = EventEmitter;
}
} (eventemitter3));
var eventemitter3Exports = eventemitter3.exports;
var EE = /*@__PURE__*/getDefaultExportFromCjs(eventemitter3Exports);
class EventEmitter extends EE {
shutdown() {
this.removeAllListeners();
}
destroy() {
this.removeAllListeners();
}
}
var EventEmitterMethods = {
setEventEmitter(eventEmitter, EventEmitterClass) {
if (EventEmitterClass === undefined) {
EventEmitterClass = EventEmitter;
}
this._privateEE = (eventEmitter === true) || (eventEmitter === undefined);
this._eventEmitter = (this._privateEE) ? (new EventEmitterClass()) : eventEmitter;
return this;
},
destroyEventEmitter() {
if (this._eventEmitter && this._privateEE) {
this._eventEmitter.shutdown();
}
return this;
},
getEventEmitter() {
return this._eventEmitter;
},
on: function () {
if (this._eventEmitter) {
this._eventEmitter.on.apply(this._eventEmitter, arguments);
}
return this;
},
once: function () {
if (this._eventEmitter) {
this._eventEmitter.once.apply(this._eventEmitter, arguments);
}
return this;
},
off: function () {
if (this._eventEmitter) {
this._eventEmitter.off.apply(this._eventEmitter, arguments);
}
return this;
},
emit: function (event) {
if (this._eventEmitter && event) {
this._eventEmitter.emit.apply(this._eventEmitter, arguments);
}
return this;
},
addListener: function () {
if (this._eventEmitter) {
this._eventEmitter.addListener.apply(this._eventEmitter, arguments);
}
return this;
},
removeListener: function () {
if (this._eventEmitter) {
this._eventEmitter.removeListener.apply(this._eventEmitter, arguments);
}
return this;
},
removeAllListeners: function () {
if (this._eventEmitter) {
this._eventEmitter.removeAllListeners.apply(this._eventEmitter, arguments);
}
return this;
},
listenerCount: function () {
if (this._eventEmitter) {
return this._eventEmitter.listenerCount.apply(this._eventEmitter, arguments);
}
return 0;
},
listeners: function () {
if (this._eventEmitter) {
return this._eventEmitter.listeners.apply(this._eventEmitter, arguments);
}
return [];
},
eventNames: function () {
if (this._eventEmitter) {
return this._eventEmitter.eventNames.apply(this._eventEmitter, arguments);
}
return [];
},
};
var GetValue = function (source, key, defaultValue) {
if (!source || typeof source === 'number') {
return defaultValue;
}
if (typeof (key) === 'string') {
if (source.hasOwnProperty(key)) {
return source[key];
}
if (key.indexOf('.') !== -1) {
key = key.split('.');
} else {
return defaultValue;
}
}
var keys = key;
var parent = source;
var value = defaultValue;
// Use for loop here so we can break early
for (var i = 0; i < keys.length; i++) {
key = keys[i];
if (parent.hasOwnProperty(key)) {
// Yes it has a key property, let's carry on down
value = parent[key];
parent = value;
}
else {
// Can't go any further, so reset to default
value = defaultValue;
break;
}
}
return value;
};
const StateProperties$1 = ['next', 'exit', 'enter'];
let FSM$1 = class FSM {
/*
var config = {
start: 'A', // default: undefined
states: {
A: {
next: 'B', // function() { return 'B'; }
enter: function() {},
exit: function() {},
},
// ...
},
extend: {
i: 0,
name: 'abc'
// ...
},
init: function() {},
enable: true,
eventEmitter: true,
};
*/
constructor(config) {
// Attach get-next-state function
var states = GetValue(config, 'states', undefined);
if (states) {
this.addStates(states);
}
// Attach extend members
var extend = GetValue(config, 'extend', undefined);
if (extend) {
for (var name in extend) {
if (!this.hasOwnProperty(name) || this[name] === undefined) {
this[name] = extend[name];
}
}
}
// Event emitter
var eventEmitter = GetValue(config, 'eventEmitter', undefined);
var EventEmitterClass = GetValue(config, 'EventEmitterClass', undefined);
this.setEventEmitter(eventEmitter, EventEmitterClass);
this._stateLock = false;
this.resetFromJSON(config);
}
shutdown() {
this.destroyEventEmitter();
}
destroy() {
this.shutdown();
}
resetFromJSON(o) {
this.setEnable(GetValue(o, 'enable', true));
this.start(GetValue(o, 'start', undefined));
var init = GetValue(o, 'init', undefined);
if (init) {
init.call(this);
}
return this;
}
toJSON() {
return {
curState: this.state,
prevState: this.prevState,
enable: this.enable,
start: this._start
};
}
setEnable(e) {
if (e === undefined) {
e = true;
}
this.enable = e;
return this;
}
toggleEnable() {
this.setEnable(!this.enable);
return this;
}
set state(newState) {
if (!this.enable || this._stateLock) {
return;
}
if (this._state === newState) {
return;
}
this._prevState = this._state;
this._state = newState;
this._stateLock = true; // lock state
this.emit('statechange', this);
if (this._prevState != null) {
var exitEventName = 'exit_' + this._prevState;
var exitCallback = this[exitEventName];
if (exitCallback) {
exitCallback.call(this);
}
this.emit(exitEventName, this);
}
this._stateLock = false;
if (this._state != null) {
var enterEventName = 'enter_' + this._state;
var enterCallback = this[enterEventName];
if (enterCallback) {
enterCallback.call(this);
}
this.emit(enterEventName, this);
}
}
get state() {
return this._state;
}
get prevState() {
return this._prevState;
}
start(state) {
this._start = state;
this._prevState = undefined;
this._state = state; // Won't fire statechange events
return this;
}
goto(nextState) {
if (nextState != null) {
this.state = nextState;
}
return this;
}
next() {
var nextState;
var getNextState = this['next_' + this.state];
if (getNextState) {
if (typeof (getNextState) === 'string') {
nextState = getNextState;
} else {
nextState = getNextState.call(this);
}
}
this.goto(nextState);
return this;
}
get stateProperties() {
return StateProperties$1;
}
addState(name, state) {
if (typeof (name) !== 'string') {
state = name;
name = state.name;
}
var stateProperties = this.stateProperties;
for (var i = 0, cnt = stateProperties.length; i < cnt; i++) {
var propertyName = stateProperties[i];
var propertyValue = state[propertyName];
if (propertyValue) {
this[`${propertyName}_${name}`] = propertyValue;
}
}
return this;
}
addStates(states) {
if (Array.isArray(states)) {
for (var i = 0, cnt = states.length; i < cnt; i++) {
this.addState(states[i]);
}
} else {
for (var name in states) {
this.addState(name, states[name]);
}
}
return this;
}
runMethod(methodName, a1, a2, a3, a4, a5) {
var fn = this[methodName + '_' + this.state];
if (!fn) {
return undefined;
}
// Copy from eventemitter3
var len = arguments.length;
switch (len) {
case 1: return fn.call(this);
case 2: return fn.call(this, a1);
case 3: return fn.call(this, a1, a2);
case 4: return fn.call(this, a1, a2, a3);
case 5: return fn.call(this, a1, a2, a3, a4);
case 6: return fn.call(this, a1, a2, a3, a4, a5);
}
var args = new Array(len - 1);
for (var i = 1; i < len; i++) {
args[i - 1] = arguments[i];
}
return fn.apply(this, args);
}
};
Object.assign(
FSM$1.prototype,
EventEmitterMethods,
);
var HasListener = function (eventEmitter, eventName, fn, context, once) {
if (once === undefined) {
once = false;
}
var listeners = eventEmitter._events[eventName];
if (!listeners) {
return false;
}
for (var i = 0, cnt = listeners.length; i < cnt; i++) {
var listener = listeners[i];
if ((listener.fn === fn) &&
(listener.context === context) &&
(listener.once === once)
) {
return true;
}
}
return false;
};
const StateProperties = ['next', 'exit', 'enter', 'update', 'preupdate', 'postupdate'];
class FSM extends FSM$1 {
/*
var config = {
start: 'A', // default: undefined
states: {
A: {
next: 'B', // function() { return 'B'; }
enter: function() {},
exit: function() {},
update: function(time, delta) {},
preupdate: function(time, delta) {},
postupdate: function(time, delta) {},
},
// ...
},
extend: {
i: 0,
name: 'abc'
// ...
},
init: function() {},
enable: true,
scene: undefined,
eventEmitter: true,
};
*/
shutdown() {
this.stopUpdate();
this.stopPreUpdate();
this.stopPostUpdate();
this._scene = undefined;
super.shutdown();
}
resetFromJSON(o) {
super.resetFromJSON(o);
this._scene = GetValue(o, 'scene', undefined);
return this;
}
get stateProperties() {
return StateProperties;
}
update(time, delta) {
this.runMethod('update', time, delta);
}
preupdate(time, delta) {
this.runMethod('preupdate', time, delta);
}
postupdate(time, delta) {
this.runMethod('postupdate', time, delta);
}
startUpdate(scene) {
if (!scene) {
scene = this._scene;
}
var eventEmitter = scene.sys.events;
if (HasListener(eventEmitter, 'update', this.update, this)) {
return this;
}
this._scene = scene;
eventEmitter.on('update', this.update, this);
return this;
}
stopUpdate() {
if (!this._scene) {
return this;
}
this._scene.sys.events.off('update', this.update, this);
return this;
}
startPreUpdate(scene) {
if (!scene) {
scene = this._scene;
}
var eventEmitter = scene.sys.events;
if (HasListener(eventEmitter, 'preupdate', this.preupdate, this)) {
return this;
}
this._scene = scene;
eventEmitter.on('preupdate', this.preupdate, this);
return this;
}
stopPreUpdate() {
if (!this._scene) {
return this;
}
this._scene.sys.events.off('preupdate', this.preupdate, this);
return this;
}
startPostUpdate(scene) {
if (!scene) {
scene = this._scene;
}
var eventEmitter = scene.sys.events;
if (HasListener(eventEmitter, 'postupdate', this.postupdate, this)) {
return this;
}
this._scene = scene;
eventEmitter.on('postupdate', this.postupdate, this);
return this;
}
stopPostUpdate() {
if (!this._scene) {
return this;
}
this._scene.sys.events.off('postupdate', this.postupdate, this);
return this;
}
}
var IsInValidKey = function (keys) {
return (keys == null) || (keys === '') || (keys.length === 0);
};
var GetEntry = function (target, keys, defaultEntry) {
var entry = target;
if (IsInValidKey(keys)) ; else {
if (typeof (keys) === 'string') {
keys = keys.split('.');
}
var key;
for (var i = 0, cnt = keys.length; i < cnt; i++) {
key = keys[i];
if ((entry[key] == null) || (typeof (entry[key]) !== 'object')) {
var newEntry;
if (i === cnt - 1) {
if (defaultEntry === undefined) {
newEntry = {};
} else {
newEntry = defaultEntry;
}
} else {
newEntry = {};
}
entry[key] = newEntry;
}
entry = entry[key];
}
}
return entry;
};
var SetValue = function (target, keys, value, delimiter) {
if (delimiter === undefined) {
delimiter = '.';
}
// no object
if (typeof (target) !== 'object') {
return;
}
// invalid key
else if (IsInValidKey(keys)) {
// don't erase target
if (value == null) {
return;
}
// set target to another object
else if (typeof (value) === 'object') {
target = value;
}
} else {
if (typeof (keys) === 'string') {
keys = keys.split(delimiter);
}
var lastKey = keys.pop();
var entry = GetEntry(target, keys);
entry[lastKey] = value;
}
return target;
};
class FSMPlugin extends Phaser.Plugins.BasePlugin {
constructor(pluginManager) {
super(pluginManager);
}
start() {
var eventEmitter = this.game.events;
eventEmitter.on('destroy', this.destroy, this);
}
add(config) {
return new FSM(config);
}
}
SetValue(window, 'RexPlugins.FSM', FSM);
return FSMPlugin;
}));