Allow a script to set a resource override.

interface/src/Application.cpp

@@ -47,6 +47,7 @@
 #include <gl/Config.h>
 #include <gl/QOpenGLContextWrapper.h>
 
+#include <ResourceScriptingInterface.h>
 #include <AccountManager.h>
 #include <AddressManager.h>
 #include <ApplicationVersion.h>
@@ -337,6 +338,8 @@ bool setupEssentials(int& argc, char** argv) {
     DependencyManager::set<RecordingScriptingInterface>();
     DependencyManager::set<WindowScriptingInterface>();
     DependencyManager::set<HMDScriptingInterface>();
+    DependencyManager::set<ResourceScriptingInterface>();
+    
 
 #if defined(Q_OS_MAC) || defined(Q_OS_WIN)
     DependencyManager::set<SpeechRecognizer>();

libraries/networking/src/ResourceManager.cpp

@@ -23,16 +23,27 @@ QMutex ResourceManager::_prefixMapLock;
 
 void ResourceManager::setUrlPrefixOverride(const QString& prefix, const QString& replacement) {
     QMutexLocker locker(&_prefixMapLock);
-    _prefixMap[prefix] = replacement;
+    if (replacement.isEmpty()) {
+        _prefixMap.erase(prefix);
+    } else {
+        _prefixMap[prefix] = replacement;
+    }
 }
 
 QString ResourceManager::normalizeURL(const QString& urlString) {
     QString result = urlString;
-    QMutexLocker locker(&_prefixMapLock);
-    foreach(const auto& entry, _prefixMap) {
+    PrefixMap copy;
+
+    {
+        QMutexLocker locker(&_prefixMapLock);
+        copy = _prefixMap;
+    }
+
+    foreach(const auto& entry, copy) {
         const auto& prefix = entry.first;
         const auto& replacement = entry.second;
         if (result.startsWith(prefix)) {
+            qDebug() << "Replacing " << prefix << " with " << replacement;
             result.replace(0, prefix.size(), replacement);
         }
     }

libraries/networking/src/ResourceScriptingInterface.cpp

@@ -0,0 +1,15 @@
+//
+//  Created by Bradley Austin Davis on 2015/12/29
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "ResourceScriptingInterface.h"
+
+#include "ResourceManager.h"
+
+void ResourceScriptingInterface::overrideUrlPrefix(const QString& prefix, const QString& replacement) {
+    ResourceManager::setUrlPrefixOverride(prefix, replacement);
+}

libraries/networking/src/ResourceScriptingInterface.h

@@ -0,0 +1,31 @@
+//
+//  AssetClient.h
+//  libraries/networking/src
+//
+//  Created by Ryan Huffman on 2015/07/21
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+
+#ifndef hifi_networking_ResourceScriptingInterface_h
+#define hifi_networking_ResourceScriptingInterface_h
+
+#include <QtCore/QObject>
+
+#include <DependencyManager.h>
+
+class ResourceScriptingInterface : public QObject, public Dependency {
+    Q_OBJECT
+public:
+    Q_INVOKABLE void overrideUrlPrefix(const QString& prefix, const QString& replacement);
+
+    Q_INVOKABLE void restoreUrlPrefix(const QString& prefix) {
+        overrideUrlPrefix(prefix, "");
+    }
+};
+
+
+#endif

libraries/script-engine/src/ScriptEngine.cpp

@@ -26,6 +26,7 @@
 #include <EntityScriptingInterface.h>
 #include <MessagesClient.h>
 #include <NetworkAccessManager.h>
+#include <ResourceScriptingInterface.h>
 #include <NodeList.h>
 #include <udt/PacketHeaders.h>
 #include <UUID.h>
@@ -391,7 +392,7 @@ void ScriptEngine::init() {
     registerGlobalObject("Recording", recordingInterface.data());
 
     registerGlobalObject("Assets", &_assetScriptingInterface);
-
+    registerGlobalObject("Resources", DependencyManager::get<ResourceScriptingInterface>().data());
 }
 
 void ScriptEngine::registerValue(const QString& valueName, QScriptValue value) {
@@ -1296,4 +1297,4 @@ void ScriptEngine::callEntityScriptMethod(const EntityItemID& entityID, const QS
             entityScript.property(methodName).call(entityScript, args);
         }
     }
-}
+}