handle default preference

Author: tomysshadow

FlashpointSecurePlayer/FlashpointProxy.cs

@@ -167,7 +167,9 @@ public static void GetPreferences(out bool proxy, out int port) {
                     // fail silently
                 }
 
-                if (!bool.TryParse(proxyEnvironmentVariable, out proxy)) {
+                if (long.TryParse(proxyEnvironmentVariable, out long _proxy) && _proxy != PREFERENCE_DEFAULT) {
+                    proxy = _proxy != 0;
+                } else {
                     proxy = FP_PROXY_DEFAULT;
                 }
             } else {
@@ -183,7 +185,9 @@ public static void GetPreferences(out bool proxy, out int port) {
                     // fail silently
                 }
 
-                if (!int.TryParse(portEnvironmentVariable, out port)) {
+                if (long.TryParse(portEnvironmentVariable, out long _port) && _port != PREFERENCE_DEFAULT) {
+                    port = (int)_port;
+                } else {
                     port = FP_PROXY_PORT_DEFAULT;
                 }
             } else {

FlashpointSecurePlayer/Shared.cs

@@ -950,6 +950,8 @@ public enum MODIFICATIONS_REVERT_METHOD {
         public const string OLD_CPU_SIMULATOR_PATH = "OldCPUSimulator\\OldCPUSimulator.exe";
         public const string OLD_CPU_SIMULATOR_PARENT_PROCESS_FILE_NAME = "OLDCPUSIMULATOR.EXE";
 
+        public const long PREFERENCE_DEFAULT = -1;
+
         public const string FP_STARTUP_PATH = nameof(FP_STARTUP_PATH);
         public const string FP_URL = nameof(FP_URL);
         public const string FP_ARGUMENTS = nameof(FP_ARGUMENTS);