in editor, listen port only during play/simulate

OSC/Source/OSC/OSC.Build.cs

@@ -39,6 +39,17 @@ namespace UnrealBuildTool.Rules
 			);
 
             bEnableExceptions = true;
+
+            if (Target.Type.HasValue && TargetRules.IsEditorType(Target.Type.Value))
+            {
+                Definitions.Add("OSC_EDITOR_BUILD=1");
+
+                PrivateDependencyModuleNames.Add("UnrealEd");
+            }
+            else
+            {
+                Definitions.Add("OSC_EDITOR_BUILD=0");
+            }
         }
 	}
 }

OSC/Source/OSC/Private/Osc.h

@@ -4,6 +4,10 @@
 // Target engine version. Used to enable compatibility code.
 #define OSC_ENGINE_VERSION 40600
 
+#ifndef OSC_EDITOR_BUILD
+#error OSC_EDITOR_BUILD must be set by the OSC.Build.cs
+#endif
+
 
 /* Public Dependencies
  *****************************************************************************/

OSC/Source/OSC/Private/OscModule.cpp

@@ -1,6 +1,10 @@
 #include "OscPrivatePCH.h"
 #include "OscDispatcher.h"
 
+#if OSC_EDITOR_BUILD
+#include "Editor.h"
+#endif
+
 
 #define LOCTEXT_NAMESPACE "FOscModule"
 
@@ -16,6 +20,12 @@ public:
             return;
         }
 
+#if OSC_EDITOR_BUILD
+        _isPlayingInEditor = false;
+        FEditorDelegates::BeginPIE.AddRaw(this, &FOscModule::OnBeginPIE);
+        FEditorDelegates::EndPIE.AddRaw(this, &FOscModule::OnEndPIE);
+#endif
+
         _dispatcher = UOscDispatcher::Get();
         
         HandleSettingsSaved();
@@ -53,7 +63,9 @@ public:
         }
         else
         {
+#if OSC_EDITOR_BUILD
             UE_LOG(LogOSC, Warning, TEXT("Settings changed registration failed"));
+#endif
         }
         UE_LOG(LogOSC, Display, TEXT("Startup succeed"));
     }
@@ -84,17 +96,15 @@ public:
         auto settings = GetMutableDefault<UOscSettings>();
 
         // receive settings
-        FIPv4Address receiveAddress(0);
-        uint32_t receivePort;
-        if(UOscSettings::Parse(settings->ReceiveFrom, &receiveAddress, &receivePort))
+#if OSC_EDITOR_BUILD
+        if(_isPlayingInEditor)
         {
-            _dispatcher->Listen(receiveAddress, receivePort);
+            Listen(settings);
         }
-        else
-        {
-            UE_LOG(LogOSC, Warning, TEXT("Fail to parse receive address: %s"), *settings->ReceiveFrom);
-        }
-        
+#else
+        Listen(settings);
+#endif
+
         // send settings
         settings->UpdateSendAddresses();
 
@@ -104,6 +114,40 @@ public:
         return true;
     }
 
+    void Listen(UOscSettings * settings)
+    {
+        FIPv4Address receiveAddress(0);
+        uint32_t receivePort;
+        if(UOscSettings::Parse(settings->ReceiveFrom, &receiveAddress, &receivePort))
+        {
+            _dispatcher->Listen(receiveAddress, receivePort);
+        }
+        else
+        {
+            UE_LOG(LogOSC, Error, TEXT("Fail to parse receive address: %s"), *settings->ReceiveFrom);
+        }
+    }
+
+private:
+#if OSC_EDITOR_BUILD
+    void OnBeginPIE(bool isSimulating)
+    {
+        _isPlayingInEditor = true;
+
+        check(_dispatcher.IsValid())
+        auto settings = GetMutableDefault<UOscSettings>();
+        Listen(settings);
+    }
+
+	void OnEndPIE(bool isSimulating)
+    {
+        _isPlayingInEditor = false;
+        _dispatcher->Stop();
+    }
+
+    bool _isPlayingInEditor;
+#endif
+
 private:
     
     TWeakObjectPtr<UOscDispatcher> _dispatcher;

OSC/Source/OSC/Private/OscSettings.cpp

@@ -35,7 +35,7 @@ void UOscSettings::UpdateSendAddresses()
             }
             else
             {
-                UE_LOG(LogOSC, Warning, TEXT("Fail to parse or invalid send address: %s"), *SendTargets[i]);
+                UE_LOG(LogOSC, Error, TEXT("Fail to parse or invalid send address: %s"), *SendTargets[i]);
             }
         }
     }
@@ -69,7 +69,7 @@ void UOscSettings::Send(const uint8 *buffer, int32 length, int32 targetIndex)
     }
     else
     {
-        UE_LOG(LogOSC, Warning, TEXT("Cannot send OSC: invalid targetIndex %d"), targetIndex);
+        UE_LOG(LogOSC, Error, TEXT("Cannot send OSC: invalid targetIndex %d"), targetIndex);
     }
 }