Fix finding jsfx on Windows

Closes #265

Signed-off-by: falkTX <falktx@falktx.com>

plugins/Cardinal/src/Ildaeil.cpp

@@ -60,6 +60,7 @@ namespace rack {
 enum SpecialPath {
     kSpecialPathUserProfile,
     kSpecialPathCommonProgramFiles,
+    kSpecialPathProgramFiles,
     kSpecialPathAppData,
 };
 std::string getSpecialPath(const SpecialPath type);
@@ -122,6 +123,8 @@ static const char* getPathForJSFX()
         path = homeDir() + "/Library/Application Support/REAPER/Effects";
        #elif defined(CARLA_OS_WIN)
         path = getSpecialPath(kSpecialPathAppData) + "\\REAPER\\Effects";
+        if (! system::exists(path))
+            path = getSpecialPath(kSpecialPathProgramFiles) + "\\REAPER\\InstallData\\Effects";
        #else
         if (const char* const configHome = std::getenv("XDG_CONFIG_HOME"))
             path = configHome;

src/CardinalCommon.cpp

@@ -77,8 +77,11 @@ std::string getSpecialPath(const SpecialPath type)
     case kSpecialPathCommonProgramFiles:
         csidl = CSIDL_PROGRAM_FILES_COMMON;
         break;
+    case kSpecialPathProgramFiles:
+        csidl = CSIDL_PROGRAM_FILES;
+        break;
     case kSpecialPathAppData:
-        csidl = CSIDL_COMMON_APPDATA;
+        csidl = CSIDL_APPDATA;
         break;
     default:
         return {};

src/CardinalCommon.hpp

@@ -47,6 +47,7 @@ bool isStandalone();
 enum SpecialPath {
     kSpecialPathUserProfile,
     kSpecialPathCommonProgramFiles,
+    kSpecialPathProgramFiles,
     kSpecialPathAppData,
 };
 std::string getSpecialPath(SpecialPath type);