Merge branch 'master' into BoxModelCollision

# Conflicts:
#	src/Game/Systems/PlayerMovementSystem.cpp

include/Engine/Core/Octree.h

@@ -149,7 +149,7 @@ template<typename T>
 template<typename Box>
 void Octree<T>::ObjectsInSameRegion(const Box& box, std::vector<T>& outObjects)
 {
-    //static_assert(std::is_base_of<AABB, Box>::value, "template argument type Box in Octree<T>::ObjectsInSameRegion must be a subclass of AABB.");
+    static_assert(std::is_base_of<AABB, Box>::value, "template argument type Box in Octree<T>::ObjectsInSameRegion must be a subclass of AABB.");
     falsifyObjectChecks();
     m_Root->ObjectsInSameRegion(box, outObjects);
 }

include/Engine/Core/ResourceManager.h

@@ -200,13 +200,16 @@ static T* ResourceManager::Load(const std::string& resourceName, Resource* paren
     }
 
     //If resource has already been cached and completely loaded.
-    it = m_ResourceCache.find(cacheKey);
-    if (it != m_ResourceCache.end()) {
-        if (it->second != nullptr) {
-            return static_cast<T*>(it->second);
-        } else {
-            //Don't return null on failure, exception instead.
-            throw Resource::FailedLoadingException();
+    {
+        boost::lock_guard<decltype(m_Mutex)> guard(m_Mutex);
+        it = m_ResourceCache.find(cacheKey);
+        if (it != m_ResourceCache.end()) {
+            if (it->second != nullptr) {
+                return static_cast<T*>(it->second);
+            } else {
+                //Don't return null on failure, exception instead.
+                throw Resource::FailedLoadingException();
+            }
         }
     }