Added start of the new Loader.

Author: photonstorm

v3/src/loader/Loader.js

@@ -0,0 +1,41 @@
+var Set = require('../structs/Set');
+var XHRSettings = require('./XHRSettings');
+
+var Loader = function ()
+{
+    //  Move to a 'setURL' method
+    this.baseURL = '';
+    this.path = '';
+
+    this.tag = '';
+
+    this.enableParallel = true;
+
+    this.maxParallelDownloads = 4;
+
+    //  xhr specific global settings (can be overridden on a per-file basis)
+    this.xhr = XHRSettings();
+
+    this.crossOrigin = undefined;
+
+    this.list = new Set();
+    this.inflight = new Set();
+    this.failed = new Set();
+    this.queue = new Set();
+    this.storage = new Set();
+
+    this._state = 'PENDING';
+};
+
+Loader.prototype.contructor = Loader;
+
+Loader.prototype = {
+
+    add: function ()
+    {
+        
+    }
+
+};
+
+module.exports = Loader;

v3/src/loader/MergeXHRSettings.js

@@ -0,0 +1,27 @@
+var XHRSettings = require('./XHRSettings');
+
+//  Takes two XHR Objects and creates a new object
+
+//  The new object is based on global initially, but any setting in
+//  local overrides the global value.
+
+var MergeXHRSettings = function (global, local)
+{
+    var output = (global === undefined) ? XHRSettings() : Object.assign(global);
+
+    if (local)
+    {
+        for (var setting in local)
+        {
+            if (local[setting] !== undefined)
+            {
+                output[setting] = local[setting];
+            }
+        }
+    }
+
+    return output;
+
+};
+
+module.exports = MergeXHRSettings;

v3/src/loader/XHRLoader.js

@@ -0,0 +1,34 @@
+var MergeXHRSettings = require('./MergeXHRSettings');
+
+var XHRLoader = function (file, globalXHRSettings)
+{
+    var config = MergeXHRSettings(globalXHRSettings, file.xhr);
+
+    var xhr = new XMLHttpRequest();
+
+    xhr.open('GET', file.src, config.async, config.user, config.password);
+
+    xhr.responseType = file.xhr.responseType;
+    xhr.timeout = config.timeout;
+
+    if (config.header && config.headerValue)
+    {
+        xhr.setRequestHeader(config.header, config.headerValue);
+    }
+
+    if (config.overrideMimeType)
+    {
+        xhr.overrideMimeType(config.overrideMimeType);
+    }
+
+    // After a successful request, the xhr.response property will contain the requested data as a DOMString, ArrayBuffer, Blob, or Document (depending on what was set for responseType.)
+
+    xhr.onload = file.onLoad(xhr);
+    xhr.onerror = file.onError(xhr);
+
+    xhr.send();
+
+    return xhr;
+};
+
+module.exports = XHRLoader;

v3/src/loader/XHRSettings.js

@@ -0,0 +1,38 @@
+//  Creates an XHRSettings Object with default values
+
+var XHRSettings = function (responseType, async, user, password, timeout)
+{
+    if (responseType === undefined) { responseType = ''; }
+    if (async === undefined) { async = true; }
+    if (user === undefined) { user = ''; }
+    if (password === undefined) { password = ''; }
+    if (timeout === undefined) { timeout = 0; }
+
+    // Before sending a request, set the xhr.responseType to "text", "arraybuffer", "blob", or "document", depending on your data needs. Note, setting xhr.responseType = '' (or omitting) will default the response to "text".
+
+    return {
+
+        //  Ignored by the Loader, only used by File.
+        responseType: responseType,
+
+        async: async,
+
+        //  credentials
+        user: user,
+        password: password,
+
+        //  timeout in ms (0 = no timeout)
+        timeout: timeout,
+
+        //  setRequestHeader
+        header: undefined,
+        headerValue: undefined,
+
+        //  overrideMimeType
+        overrideMimeType: undefined
+
+    };
+    
+};
+
+module.exports = XHRSettings;