Implement message modes for 9.6

Fix possible crash when closing otclient
Fix private messages
Fix messages in 9.6

src/framework/core/application.cpp

@@ -97,6 +97,9 @@ void Application::deinit()
 
     // poll remaining events
     poll();
+
+    // disable dispatcher events
+    g_dispatcher.shutdown();
 }
 
 void Application::terminate()
@@ -115,9 +118,6 @@ void Application::terminate()
     // terminate script environment
     g_lua.terminate();
 
-    // flush remaining dispatcher events
-    g_dispatcher.flush();
-
     m_terminated = true;
 }
 

src/framework/core/eventdispatcher.cpp

@@ -27,7 +27,7 @@
 
 EventDispatcher g_dispatcher;
 
-void EventDispatcher::flush()
+void EventDispatcher::shutdown()
 {
     while(!m_eventList.empty())
         poll();

src/framework/core/eventdispatcher.h

@@ -30,7 +30,7 @@
 class EventDispatcher
 {
 public:
-    void flush();
+    void shutdown();
     void poll();
 
     EventPtr addEvent(const std::function<void()>& callback, bool pushFront = false);

src/framework/core/filestream.cpp

@@ -37,7 +37,11 @@ FileStream::FileStream(const std::string& name, PHYSFS_File *fileHandle, bool wr
 
 FileStream::~FileStream()
 {
-    assert(!g_app.isTerminated());
+#ifndef NDEBUG
+    if(g_app.isTerminated())
+        g_logger.warning("FileStream reference not released");
+#endif
+    if(!g_app.isTerminated())
     close();
 }
 
@@ -63,7 +67,7 @@ void FileStream::cache()
 
 void FileStream::close()
 {
-    if(m_fileHandle) {
+    if(m_fileHandle && PHYSFS_isInit()) {
         if(!PHYSFS_close(m_fileHandle))
             throwError("close failed", true);
         m_fileHandle = nullptr;