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Florian Rival
118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
/**
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GDevelop - LinkedObjects Extension
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Copyright (c) 2013-2016 Florian Rival (Florian.Rival@gmail.com)
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*/
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/**
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* Manages the links between objects.
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*
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* @memberof gdjs
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* @class LinksManager
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* @constructor
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*/
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gdjs.LinksManager = function()
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{
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this.links = {};
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};
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/**
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* Get the links manager of a scene.
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*/
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gdjs.LinksManager.getManager = function(runtimeScene) {
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if (!runtimeScene.linkedObjectsManager) { //Create the shared manager if necessary.
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runtimeScene.linkedObjectsManager = new gdjs.LinksManager();
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}
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return runtimeScene.linkedObjectsManager;
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};
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gdjs.LinksManager.prototype.getObjectsLinkedWith = function(objA) {
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if ( !this.links.hasOwnProperty(objA.id) )
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this.links[objA.id] = [];
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return this.links[objA.id];
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};
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gdjs.LinksManager.prototype.linkObjects = function(objA, objB) {
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var objALinkedObjects = this.getObjectsLinkedWith(objA);
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if ( objALinkedObjects.indexOf(objB) === -1 )
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objALinkedObjects.push(objB);
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var objBLinkedObjects = this.getObjectsLinkedWith(objB);
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if ( objBLinkedObjects.indexOf(objA) === -1 )
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objBLinkedObjects.push(objA);
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};
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gdjs.LinksManager.prototype.removeAllLinksOf = function(obj) {
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var objLinkedObjects = this.getObjectsLinkedWith(obj);
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for (var i = 0; i < objLinkedObjects.length; i++) {
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if ( this.links.hasOwnProperty(objLinkedObjects[i].id) ) {
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var otherObjList = this.links[objLinkedObjects[i].id];
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var index = otherObjList.indexOf(obj);
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if ( index !== -1) otherObjList.splice(index, 1);
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}
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}
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if ( this.links.hasOwnProperty(obj.id) )
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delete this.links[obj.id];
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};
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gdjs.LinksManager.prototype.removeLinkBetween = function(objA, objB) {
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var list, index;
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if ( this.links.hasOwnProperty(objA.id) ) {
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list = this.links[objA.id];
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index = list.indexOf(objB);
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if ( index !== -1) list.splice(index, 1);
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}
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if ( this.links.hasOwnProperty(objB.id) ) {
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list = this.links[objB.id];
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index = list.indexOf(objA);
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if ( index !== -1) list.splice(index, 1);
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}
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};
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/**
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* @memberof gdjs.evtTools
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* @class linkedObjects
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* @static
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* @private
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*/
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gdjs.evtTools.linkedObjects = {};
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gdjs.registerObjectDeletedFromSceneCallback(function(runtimeScene, obj) {
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gdjs.LinksManager.getManager(runtimeScene).removeAllLinksOf(obj);
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});
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gdjs.evtTools.linkedObjects.linkObjects = function(runtimeScene, objA, objB) {
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if (objA === null || objB === null) return;
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gdjs.LinksManager.getManager(runtimeScene).linkObjects(objA, objB);
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};
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gdjs.evtTools.linkedObjects.removeLinkBetween = function(runtimeScene, objA, objB) {
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if (objA === null || objB === null) return;
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gdjs.LinksManager.getManager(runtimeScene).removeLinkBetween(objA, objB);
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};
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gdjs.evtTools.linkedObjects.removeAllLinksOf = function(runtimeScene, objA) {
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if (objA === null) return;
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gdjs.LinksManager.getManager(runtimeScene).removeAllLinksOf(objA);
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};
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gdjs.evtTools.linkedObjects._objectIsInList = function(obj, linkedObjects) {
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return linkedObjects.indexOf(obj) !== -1;
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}
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gdjs.evtTools.linkedObjects.pickObjectsLinkedTo = function(runtimeScene, objectsLists, obj) {
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if (obj === null) return false;
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var linkedObjects =
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gdjs.LinksManager.getManager(runtimeScene).getObjectsLinkedWith(obj);
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return gdjs.evtTools.object.pickObjectsIf(gdjs.evtTools.linkedObjects._objectIsInList,
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objectsLists, false, linkedObjects);
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};
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