chore(fmod): add files from Chensne/DragonNest

src/fmod_localcriticalsection.h

@@ -0,0 +1,55 @@
+#ifndef _FMOD_LOCALCRITICALSECTION_H
+#define _FMOD_LOCALCRITICALSECTION_H
+
+#include "fmod_settings.h"
+#include "fmod_os_misc.h"
+
+namespace FMOD
+{
+    class LocalCriticalSection
+    {
+      private:
+
+        FMOD_OS_CRITICALSECTION    *mCrit;        
+        bool                        mEntered;
+
+      public:
+
+        LocalCriticalSection() 
+        {
+            mEntered = false;
+        }
+        LocalCriticalSection(FMOD_OS_CRITICALSECTION *crit, bool enternow = false)
+        {
+            mEntered = false;
+            mCrit = crit;
+
+            if (enternow)
+            {
+                enter();
+            }
+        }
+        ~LocalCriticalSection() 
+        { 
+            if (mEntered)
+            {
+                leave();
+            }
+        }
+
+        void enter()
+        {
+            FMOD_OS_CriticalSection_Enter(mCrit);
+            mEntered = true;
+        }
+        void leave()
+        {
+            FMOD_OS_CriticalSection_Leave(mCrit);
+            mEntered = false;
+        }
+   };
+}
+
+#endif
+
+