-'use strict';
-
-/*
-Serpentity is a simple entity framework inspired by Ash.
-
-Usage:
-
- let Serpentity = require('serpentity');
-
-## Instantiating an engine
-
- let engine = Serpentity();
-
-Add entities or systems, systems are added with a priority (the smaller
-the number, the earlier it will be called):
-
- engine.addEntity(entityFactory());
- engine.addSystem(new GameSystem(), priority);
-
-Update all systems:
-
- engine.update(dt);
-
-Remove entities or systems:
-
- engine.removeEntity(entityReference);
- engine.removeSystem(systemReference);
-
-## Creating Entities
-
-Entities are the basic object of Serpentity, and they do nothing.
-
- let entity = new Serpentity.Entity();
-
-All the behavior is added through components
-
-## Creating Components
-
-Components define data that we can add to an entity. This data will
-eventually be consumed by "Systems"
-
- let PositionComponent = class PositionComponent extends Serpentity.Component {
- constructor (config) {
- this.x = 0;
- this.y = 0;
-
- super(config);
- }
- };
-
-You can add components to entities by using the add method:
-
- entity.addComponent(new PositionComponent());
-
-
-Systems can refer to entities by requesting nodes.
-
-## Working with Nodes
-
-Nodes are sets of components that you define, so your system can require
-entities that always follow the API defined in the node.
-
- let MovementNode = class MovementNode extends Serpentity.Node;
- MovementNode.position = PositionComponent;
- MovementNode.motion = MotionComponent;
-
-You can then request an array of all the nodes representing entities
-that comply with that API
-
- engine.getNodes(MovementNode);
-
-## Creating Systems
-
-Systems are called on every update, and they use components through nodes.
-
- let TestSystem = class TestSystem extends Serpentity.System {
- added (engine){
- this.nodeList = engine.getNodes(MovementNode);
- },
- removed (engine){
- this.nodeList = undefined;
- }
- update (dt){
- let node;
- for (node of this.nodeList) {
- console.log(`Current position is: ${node.position.x},${node.position.y}`);
- }
- }
- };
-
-## That's it
-
-Just run `engine.update(dt)` in your game loop :D
-
-*/
-
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var Serpentity = function () {
- function Serpentity(config) {
- _classCallCheck(this, Serpentity);
-
- this.systems = [];
- this.entities = [];
- this._nodeCollections = [];
- this._nodeCollectionKeys = [];
-
- Object.assign(this, config || {});
- }
-
- /*
- * Adds a system to the engine, so its update method will be called
- * with the others. Triggers added hook.
- *
- * returns true if added succesfully, false if already added
- */
-
-
- _createClass(Serpentity, [{
- key: 'addSystem',
- value: function addSystem(system, priority) {
- var lastIndex = void 0,
- found = void 0;
-
- if (this.systems.indexOf(system) >= 0) {
- return false;
- }
-
- system.priority = priority;
-
- found = false;
- lastIndex = 0;
-
- this.systems.some(function findPriority(existingSystem, i) {
- lastIndex = i;
- if (existingSystem.priority >= system.priority) {
- found = true;
- return true;
- }
- });
-
- if (!found) {
- lastIndex += 1;
- }
-
- this.systems.splice(lastIndex, 0, system);
- system.added(this);
- return true;
- }
-
- /*
- * Removes a system from the engine, so its update method will no
- * longer will be called. Triggers the removed hook.
- *
- * returns true if removed succesfully, false if already added
- */
-
- }, {
- key: 'removeSystem',
- value: function removeSystem(system) {
- var position = void 0;
-
- position = this.systems.indexOf(system);
- if (position >= 0) {
- this.systems[position].removed(this);
- this.systems.splice(position, 1);
- return true;
- }
-
- return false;
- }
-
- /*
- * Adds an entity to the engine, adds to existing node collections
- *
- * returns true if added, false if already there
- */
-
- }, {
- key: 'addEntity',
- value: function addEntity(entity) {
- if (this.entities.indexOf(entity) >= 0) {
- return false;
- }
- this.entities.push(entity);
-
- this._nodeCollections.forEach(function (collection) {
- collection.add(entity);
- });
-
- return true;
- }
-
- /*
- * Removes entity from system, removing from all node collections
- *
- * returns true if removed, false if not present
- */
-
- }, {
- key: 'removeEntity',
- value: function removeEntity(entity) {
- var position = void 0;
-
- position = this.entities.indexOf(entity);
- if (position >= 0) {
- this._nodeCollections.forEach(function (collection) {
- collection.remove(entity);
- });
-
- this.entities.splice(position, 1);
- return true;
- }
-
- return false;
- }
-
- /*
- * Given a Node Class, retrieves a list of all the nodes for each
- * applicable entity.
- */
-
- }, {
- key: 'getNodes',
- value: function getNodes(nodeType) {
- var position = void 0,
- nodeCollection = void 0;
-
- position = this._nodeCollectionKeys.indexOf(nodeType);
-
- if (position >= 0) {
- return this._nodeCollections[position].nodes;
- }
-
- nodeCollection = new Serpentity.NodeCollection({
- type: nodeType
- });
-
- this._nodeCollectionKeys.push(nodeType);
- this._nodeCollections.push(nodeCollection);
-
- this.entities.forEach(function (entity) {
- nodeCollection.add(entity);
- });
-
- return nodeCollection.nodes;
- }
-
- /*
- * Calls update for every loaded system.
- */
-
- }, {
- key: 'update',
- value: function update(dt) {
- this.systems.forEach(function (system) {
- system.update(dt);
- });
- }
- }]);
-
- return Serpentity;
-}();
-
-// Add namespaced objects.
-if (typeof module !== 'undefined' && undefined.module !== module) {
- Serpentity.Component = require('./serpentity/component.js');
- Serpentity.Entity = require('./serpentity/entity.js');
- Serpentity.Node = require('./serpentity/node.js');
- Serpentity.NodeCollection = require('./serpentity/node_collection.js');
- Serpentity.System = require('./serpentity/system.js');
-
- module.exports = Serpentity;
-}
-'use strict';
-
-/* global Serpentity */
-
-/*
- * The entity gives the entity framework its name. It exists only
- * to hold components.
- */
-
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var Entity = function () {
- function Entity(config) {
- _classCallCheck(this, Entity);
-
- this._componentKeys = [];
- this._components = [];
-
- Object.assign(this, config || {});
- }
-
- /*
- * Adds a component to the entity.
- *
- * returns true if added, false if already present
- */
-
-
- _createClass(Entity, [{
- key: 'addComponent',
- value: function addComponent(component) {
- if (this._componentKeys.indexOf(component.constructor) >= 0) {
- return false;
- }
- this._componentKeys.push(component.constructor);
- this._components.push(component);
- return true;
- }
-
- /*
- * returns true if component is included, false otherwise
- */
-
- }, {
- key: 'hasComponent',
- value: function hasComponent(componentClass) {
- if (this._componentKeys.indexOf(componentClass) >= 0) {
- return true;
- }
- return false;
- }
-
- /*
- * returns the component associated with that key
- */
-
- }, {
- key: 'getComponent',
- value: function getComponent(componentClass) {
- var position = this._componentKeys.indexOf(componentClass);
- if (position >= 0) {
- return this._components[position];
- }
- }
- }]);
-
- return Entity;
-}();
-
-if (typeof module !== 'undefined' && undefined.module !== module) {
- module.exports = Entity;
-} else {
- Serpentity.Entity = Entity;
-}
-'use strict';
-
-/* global Serpentity */
-
-/*
- * A node describes a set of components in order to describe entities
- * that include them.
- */
-
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var Node = function () {
- _createClass(Node, null, [{
- key: 'matches',
-
-
- /*
- * Returns true if the given entity matches the defined protocol,
- * false otherwise
- */
- value: function matches(entity) {
- var types = this.types;
-
- for (var typeName in types) {
- if (types.hasOwnProperty(typeName)) {
-
- var matched = false;
- var type = types[typeName];
-
- if (entity.hasComponent(type)) {
- matched = true;
- }
-
- if (!matched) {
- return false;
- }
- }
- }
-
- return true;
- }
- }]);
-
- function Node(config) {
- _classCallCheck(this, Node);
-
- this.types = {};
-
- Object.assign(this, config || {});
- }
-
- return Node;
-}();
-
-if (typeof module !== 'undefined' && undefined.module !== module) {
- module.exports = Node;
-} else {
- Serpentity.Node = Node;
-}
-'use strict';
-
-/* global Serpentity */
-
-/*
- * Node Collections contain nodes, in order to keep the lists of nodes
- * that belong to each type.
- *
- * It has a type which is the class name of the node, and an array of
- * instances of that class.
- */
-
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var NodeCollection = function () {
- function NodeCollection(config) {
- _classCallCheck(this, NodeCollection);
-
- this.nodes = [];
- this.type = null;
-
- Object.assign(this, config || {});
- }
-
- /*
- * Creates a node for an entity if it matches, and adds it to the
- * node list.
- *
- * Returns true if added, false otherwise.
- */
-
-
- _createClass(NodeCollection, [{
- key: 'add',
- value: function add(entity) {
-
- if (this.type.matches(entity) && !this._entityExists(entity)) {
-
- var node = new this.type({});
- var types = this.type.types;
-
- node.entity = entity;
-
- for (var typeName in types) {
- if (types.hasOwnProperty(typeName)) {
- node[typeName] = entity.getComponent(types[typeName]);
- }
- }
-
- this.nodes.push(node);
-
- return true;
- }
-
- return false;
- }
-
- /*
- * Removes an entity by removing its related node from the list of nodes
- *
- * returns true if it was removed, false otherwise.
- */
-
- }, {
- key: 'remove',
- value: function remove(entity) {
- var found = -1;
-
- this.nodes.forEach(function (node, i) {
- if (node.entity === entity) {
- found = i;
- }
- });
-
- if (found >= 0) {
- this.nodes.splice(found, 1);
- return true;
- }
-
- return false;
- }
-
- /*
- * Checks whether we already have nodes for this entity.
- */
-
- }, {
- key: '_entityExists',
- value: function _entityExists(entity) {
- var found = false;
-
- var _iteratorNormalCompletion = true;
- var _didIteratorError = false;
- var _iteratorError = undefined;
-
- try {
- for (var _iterator = this.nodes[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
- var node = _step.value;
-
- if (node.entity === entity) {
- found = true;
- }
- }
- } catch (err) {
- _didIteratorError = true;
- _iteratorError = err;
- } finally {
- try {
- if (!_iteratorNormalCompletion && _iterator.return) {
- _iterator.return();
- }
- } finally {
- if (_didIteratorError) {
- throw _iteratorError;
- }
- }
- }
-
- return found;
- }
- }]);
-
- return NodeCollection;
-}();
-
-if (typeof module !== 'undefined' && undefined.module !== module) {
- module.exports = NodeCollection;
-} else {
- Serpentity.NodeCollection = NodeCollection;
-}
-'use strict';
-
-/* global Serpentity */
-
-/*
- * Components store data. Nothing to say here really, just
- * inherit and add a prototype, or don't even inherit, see?
- * It's just an empty class, so what I'm trying to say is your
- * components can be any class whatsoever.
- */
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var Component = function Component(config) {
- _classCallCheck(this, Component);
-
- Object.assign(this, config || {});
-};
-
-if (typeof module !== 'undefined' && undefined.module !== module) {
- module.exports = Component;
-} else {
- Serpentity.Component = Component;
-}
-'use strict';
-
-/* global Serpentity */
-
-/*
- * Systems contain most of the logic, and work with nodes in order to
- * act and change their values.
- *
- * You usually want to inherit from this class and override the
- * three methods. They are shown here to document the interface.
- */
-
-var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-var System = function () {
- function System() {
- _classCallCheck(this, System);
- }
-
- _createClass(System, [{
- key: 'added',
-
-
- /*
- * This will be run when the system is added to the engine
- */
- value: function added() {}
- // Override with added(engine)
- // Receives an instance of the serpentity engine
-
-
- /*
- * This will be run when the system is removed from the engine
- */
-
- }, {
- key: 'removed',
- value: function removed() {}
- // Override with removed(engine)
- // Receives an instance of the serpentity engine
-
-
- /*
- * This will run every time the engine's update method is called
- */
-
- }, {
- key: 'update',
- value: function update() {
- // Override with update(dt)
- // Receives a delta of the time
- }
- }]);
-
- return System;
-}();
-
-if (typeof module !== 'undefined' && undefined.module !== module) {
- module.exports = System;
-} else {
- Serpentity.System = System;
-}
\ No newline at end of file
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("+o.message+")":""));throw u.context=o,u}var c=i[e];if(void 0===c)return!1;if("function"==typeof c)s(c,this,t);else{var f=c.length,p=v(c,f);for(n=0;n<f;++n)s(p[n],this,t)}return!0},u.prototype.addListener=function(e,t){return l(this,e,t,!1)},u.prototype.on=u.prototype.addListener,u.prototype.prependListener=function(e,t){return l(this,e,t,!0)},u.prototype.once=function(e,t){return f(t),this.on(e,a(this,e,t)),this},u.prototype.prependOnceListener=function(e,t){return f(t),this.prependListener(e,a(this,e,t)),this},u.prototype.removeListener=function(e,t){var n,r,i,s,o;if(f(t),void 0===(r=this._events))return this;if(void 0===(n=r[e]))return this;if(n===t||n.listener===t)0==--this._eventsCount?this._events=Object.create(null):(delete r[e],r.removeListener&&this.emit("removeListener",e,n.listener||t));else if("function"!=typeof n){for(i=-1,s=n.length-1;s>=0;s--)if(n[s]===t||n[s].listener===t){o=n[s].listener,i=s;break}if(i<0)return this;0===i?n.shift():function(e,t){for(;t+1<e.length;t++)e[t]=e[t+1];e.pop()}(n,i),1===n.length&&(r[e]=n[0]),void 0!==r.removeListener&&this.emit("removeListener",e,o||t)}return this},u.prototype.off=u.prototype.removeListener,u.prototype.removeAllListeners=function(e){var t,n,r;if(void 0===(n=this._events))return this;if(void 0===n.removeListener)return 0===arguments.length?(this._events=Object.create(null),this._eventsCount=0):void 0!==n[e]&&(0==--this._eventsCount?this._events=Object.create(null):delete n[e]),this;if(0===arguments.length){var i,s=Object.keys(n);for(r=0;r<s.length;++r)"removeListener"!==(i=s[r])&&this.removeAllListeners(i);return this.removeAllListeners("removeListener"),this._events=Object.create(null),this._eventsCount=0,this}if("function"==typeof(t=n[e]))this.removeListener(e,t);else if(void 0!==t)for(r=t.length-1;r>=0;r--)this.removeListener(e,t[r]);return this},u.prototype.listeners=function(e){return d(this,e,!0)},u.prototype.rawListeners=function(e){return d(this,e,!1)},u.listenerCount=function(e,t){return"function"==typeof e.listenerCount?e.listenerCount(t):y.call(e,t)},u.prototype.listenerCount=y,u.prototype.eventNames=function(){return this._eventsCount>0?r(this._events):[]}},function(e,t,n){"use strict";n.r(t),n.d(t,"Component",(function(){return r})),n.d(t,"Entity",(function(){return i})),n.d(t,"Node",(function(){return s})),n.d(t,"System",(function(){return o})),n.d(t,"default",(function(){return p}));class r{constructor(e){Object.assign(this,e)}}class i{constructor(e){this._componentKeys=[],this._components=[],Object.assign(this,e)}addComponent(e){return!(this._componentKeys.indexOf(e.constructor)>=0)&&(this._componentKeys.push(e.constructor),this._components.push(e),!0)}hasComponent(e){return this._componentKeys.indexOf(e)>=0}getComponent(e){const t=this._componentKeys.indexOf(e);if(t>=0)return this._components[t]}}class s{static matches(e){const t=Object.keys(this.types);for(const n of t){const t=this.types[n];let r=!1;if(e.hasComponent(t)&&(r=!0),!r)return!1}return!0}constructor(e){this.types={},Object.assign(this,e)}}class o{added(){}removed(){}update(){}}var u=n(0),c=n.n(u);class f extends c.a{constructor(e){super(),this.nodes=[],this.type=null,Object.assign(this,e)}add(e){if(this.type.matches(e)&&!this._entityExists(e)){const t=new this.type({}),n=this.type.types,r=Object.keys(n);t.entity=e;for(const i of r)t[i]=e.getComponent(n[i]);return this.nodes.push(t),this.emit("nodeAdded",{node:t}),!0}return!1}remove(e){let t=-1,n=null;const r=this.nodes.some((r,i)=>{if(r.entity===e)return t=i,n=r,!0});return r&&(this.nodes.splice(t,1),this.emit("nodeRemoved",{node:n})),r}_entityExists(e){let t=!1;for(const n of this.nodes)n.entity===e&&(t=!0);return t}}f.prototype[Symbol.iterator]=function*(){yield*this.nodes};class p{constructor(e){this.systems=[],this.entities=[],this._nodeCollections=[],this._nodeCollectionKeys=[],Object.assign(this,e)}addSystem(e,t){if(this.systems.indexOf(e)>=0)return!1;e.priority=t;let n=0;return this.systems.some((t,r)=>{if(n=r,t.priority>=e.priority)return!0})||(n+=1),this.systems.splice(n,0,e),e.added(this),!0}removeSystem(e){const t=this.systems.indexOf(e);return t>=0&&(this.systems[t].removed(this),this.systems.splice(t,1),!0)}addEntity(e){if(this.entities.indexOf(e)>=0)return!1;this.entities.push(e);for(const t of this._nodeCollections)t.add(e);return!0}removeEntity(e){const t=this.entities.indexOf(e);if(t>=0){for(const t of this._nodeCollections)t.remove(e);return this.entities.splice(t,1),!0}return!1}getNodes(e){const t=this._nodeCollectionKeys.indexOf(e);if(t>=0)return this._nodeCollections[t].nodes;const n=new f({type:e});this._nodeCollectionKeys.push(e),this._nodeCollections.push(n);for(const e of this.entities)n.add(e);return n}update(e){for(const t of this.systems)t.update(e)}}}])}));
\ No newline at end of file
git.r.bdr.sh / rbdr / serpentity / blobdiff