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125 lines
3.6 KiB
125 lines
3.6 KiB
// Utility functions
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// Force Enyo to process ondragover event
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document.ondragover = enyo.dispatch;
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// Namespace
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FoodChain = {};
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// Game context handling
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FoodChain.context = {
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score: 0,
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game: "",
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level: 0,
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language: "en",
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object: null
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};
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FoodChain.saveContext = function() {
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var datastoreObject = FoodChain.activity.getDatastoreObject();
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var jsonData = JSON.stringify({
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score: FoodChain.context.score,
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game: FoodChain.context.game,
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level: FoodChain.context.level,
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language: l10n.language.code
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});
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datastoreObject.setDataAsText(jsonData);
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datastoreObject.save(function() {
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});
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};
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FoodChain.loadContext = function(callback) {
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var datastoreObject = FoodChain.activity.getDatastoreObject();
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datastoreObject.loadAsText(function (error, metadata, data) {
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var context = JSON.parse(data);
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if (context == null) return;
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if (context.score) FoodChain.context.score = parseInt(context.score);
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if (context.game) FoodChain.context.game = context.game;
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if (context.level) FoodChain.context.level = parseInt(context.level);
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if (context.language) FoodChain.context.language = l10n.language.code = context.language;
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callback();
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});
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};
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// Home handling
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FoodChain.goHome = function() {
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if (FoodChain.context.home != null) {
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FoodChain.context.game = "";
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FoodChain.context.home.setLocale()
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FoodChain.context.home.renderInto(document.getElementById("body"));
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}
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};
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// Sugar interface
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FoodChain.setLocale = function() {
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document.getElementById("en-button").classList.remove('active');
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document.getElementById("fr-button").classList.remove('active');
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document.getElementById("pt_BR-button").classList.remove('active');
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if (l10n.language.code.indexOf("en") == 0) { document.getElementById("en-button").classList.add('active'); }
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else if (l10n.language.code.indexOf("fr") == 0) { document.getElementById("fr-button").classList.add('active'); }
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else if (l10n.language.code.indexOf("pt_BR") == 0) { document.getElementById("pt_BR-button").classList.add('active'); }
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if (FoodChain.context.object != null)
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FoodChain.context.object.setLocale();
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}
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FoodChain.log = function(msg) {
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console.log(msg);
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};
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// Add and remove a class to an element
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FoodChain.addRemoveClass = function(element, toAdd, toRemove) {
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element.removeClass(toRemove);
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element.addClass(toAdd);
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};
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// "Old style" sleep function
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FoodChain.sleep = function(delay) {
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var start = new Date().getTime();
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while (new Date().getTime() < start + delay);
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};
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// Create a object respecting a condition on a set of object
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FoodChain.createWithCondition = function(create, condition, set) {
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var conditionValue;
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var newObject;
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var time = 0;
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do {
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conditionValue = true;
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newObject = create();
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for (var i = 0; conditionValue && i < set.length ; i++) {
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conditionValue = condition(newObject, set[i]);
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}
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time++;
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} while (!conditionValue && time < 12); // time to avoid infinite or too long loop in very complex situation
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if (!conditionValue)
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FoodChain.log("WARNING: out of pre-requisite creating "+newObject.id);
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return newObject;
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};
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// Test if two sound strings matchs ignoring audio directory
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FoodChain.soundMatch = function(s1, s2) {
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var l1 = s1.length-1;
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while (l1 > 0 && s1[l1] != '/') l1--;
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var l2 = s2.length-1;
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while (l2 > 0 && s2[l2] != '/') l2--;
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return s1.substring(l1) == s2.substring(l2);
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};
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// Get zoom level
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FoodChain.getZoomLevel = function() {
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var wsize = window.innerWidth;
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var zoom;
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if (wsize <= 480) {
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zoom = 0.4;
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} else if (wsize <= 640) {
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zoom = 0.5;
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} else if (wsize <= 854) {
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zoom = 0.62;
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} else if (wsize <= 960) {
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zoom = 0.72;
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} else if (wsize <= 1024) {
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zoom = 0.88;
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} else {
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zoom = 1;
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}
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return zoom;
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};
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