Added Resource modification notification

Former-commit-id: b2fafa22ddf125ef2f1cbc0cd473ae06eb99bcd3

include/Nazara/Core/Resource.hpp

@@ -40,9 +40,10 @@ class NAZARA_API NzResource
 	protected:
 		void NotifyCreated();
 		void NotifyDestroy();
+		void NotifyModified(unsigned int code);
 
 	private:
-		typedef std::unordered_map<NzResourceListener*, std::pair<int, unsigned int>> ResourceListenerMap;
+		using ResourceListenerMap = std::unordered_map<NzResourceListener*, std::pair<int, unsigned int>>;
 
 		void RemoveResourceListenerIterator(ResourceListenerMap::iterator iterator) const;
 

include/Nazara/Core/ResourceListener.hpp

@@ -19,6 +19,7 @@ class NAZARA_API NzResourceListener
 
 		virtual bool OnResourceCreated(const NzResource* resource, int index);
 		virtual bool OnResourceDestroy(const NzResource* resource, int index);
+		virtual bool OnResourceModified(const NzResource* resource, int index, unsigned int code);
 		virtual void OnResourceReleased(const NzResource* resource, int index);
 };
 

src/Nazara/Core/Resource.cpp

@@ -148,6 +148,24 @@ void NzResource::NotifyDestroy()
 	m_resourceListenersLocked = false;
 }
 
+void NzResource::NotifyModified(unsigned int code)
+{
+	NazaraLock(m_mutex)
+
+	m_resourceListenersLocked = true;
+
+	auto it = m_resourceListeners.begin();
+	while (it != m_resourceListeners.end())
+	{
+		if (!it->first->OnResourceModified(this, it->second.first, code))
+			RemoveResourceListenerIterator(it++);
+		else
+			++it;
+	}
+
+	m_resourceListenersLocked = false;
+}
+
 void NzResource::RemoveResourceListenerIterator(ResourceListenerMap::iterator iterator) const
 {
 	unsigned int& referenceCount = iterator->second.second;

src/Nazara/Core/ResourceListener.cpp

@@ -23,6 +23,15 @@ bool NzResourceListener::OnResourceDestroy(const NzResource* resource, int index
 	return true;
 }
 
+bool NzResourceListener::OnResourceModified(const NzResource* resource, int index, unsigned int code)
+{
+	NazaraUnused(resource);
+	NazaraUnused(index);
+	NazaraUnused(code);
+
+	return true;
+}
+
 void NzResourceListener::OnResourceReleased(const NzResource* resource, int index)
 {
 	NazaraUnused(resource);