Handle Unity debug output writing specifically

The ENABLE_MONO preproc is not the ideal test for being in unity... but UNITY doesn't work, and UnityEngine is undefined when compiling FOR unity (and the FOR_UNITY preproc is defined by the .csproj file)

Author: nuclearmistake

ROS_Comm/_Init.cs

@@ -59,6 +59,7 @@ private static void _writeline(object o)
         {
             if (OtherOutput != null)
                 OtherOutput(o);
+#if !ENABLE_MONO
             bool toDebugInstead =
 #if FOR_UNITY
                 true;
@@ -72,11 +73,14 @@ private static void _writeline(object o)
             {
                 toDebugInstead = true;
             }
-#endif
+#endif //FOR_UNITY
             if (toDebugInstead)
                 Debug.WriteLine(o);
             else
                 Console.WriteLine(o);
+#else
+            UnityEngine.Debug.LogWarning(o.ToString());
+#endif //!UNITY
         }
 
         /// Writes a string or something to System.Console, and fires an optional OtherOutput event for use in the node

XmlRpc_Wrapper/XmlRpcUtil.cs

@@ -309,7 +309,11 @@ public static void SetLogLevel(int level)
 
         public static void error(string format, params object[] list)
         {
+#if ENABLE_MONO
+            UnityEngine.Debug.LogError(String.Format(format, list));
+#else
             Debug.WriteLine(String.Format(format, list));
+#endif
         }
 
         public static void log(int level, string format, params object[] list)
@@ -320,7 +324,11 @@ public static void log(int level, string format, params object[] list)
         public static void log(XMLRPC_LOG_LEVEL level, string format, params object[] list)
         {
             if (level <= MINIMUM_LOG_LEVEL)
+#if ENABLE_MONO
+                UnityEngine.Debug.LogWarning(String.Format(format, list));
+#else
                 Debug.WriteLine(String.Format(format, list));
+#endif
         }
     }
 }

XmlRpc_Wrapper/XmlRpc_Wrapper_UNITY.csproj

@@ -37,8 +37,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
     <DebugSymbols>true</DebugSymbols>
     <OutputPath>bin\Debug\</OutputPath>
-    <DefineConstants>
-    </DefineConstants>
+    <DefineConstants>FOR_UNITY</DefineConstants>
     <Optimize>false</Optimize>
     <DebugType>full</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>