Added smarter lib finding for Unity users, taking advantage of Unity compiler directives.

Author: cboulay

LSL.cs

@@ -841,9 +841,32 @@ public static void check_error(int ec) {
 
     class dll
     {
-        /// Name of the binary to include -- replace this if you are on a non-Windows platform (e.g., liblsl64.so)
-        const string libname = "liblsl32.dll";
 
+#if (UNITY_EDITOR_LINUX && UNITY_EDITOR_64) || UNITY_STANDALONE_LINUX
+            const string libname = "liblsl64.so";
+#elif UNITY_EDITOR_LINUX
+            const string libname = "liblsl32.so";
+#elif UNITY_STANDALONE_LINUX
+            const string libname = "liblsl.so";
+#elif Unity_EDITOR_OSX || UNITY_STANDALONE_OSX
+            //32-bit dylib no longer provided.
+            const string libname = "liblsl64";
+#elif UNITY_STANDALONE_OSX
+            const string libname = "liblsl";
+#elif (UNITY_EDITOR_WIN && UNITY_EDITOR_64)
+            libname = "liblsl64";
+#elif UNITY_EDITOR_WIN
+            libname = "liblsl32";
+#elif UNITY_STANDALONE_WIN
+            // a build hook will took care that the correct dll will be renamed after a successfull build 
+            libname =  "liblsl";
+#elif UNITY_ANDROID
+            const string libname = "lslAndroid";
+#else
+            // Name of the binary to include -- replace this if on non-Windows and non-Unity (e.g., liblsl64.so)
+            const string libname = "liblsl32.dll";
+#endif
+            
         [DllImport(libname, CallingConvention = CallingConvention.Cdecl, CharSet = CharSet.Ansi, ExactSpelling = true)]
         public static extern int lsl_protocol_version();