Unity Editor code to suppress annoying issues with commonly-used plugins

csc.rsp

-nowarn:0618

PluginSuppressor.cs

using HutongGames.PlayMakerEditor;
using UnityEditor;

namespace OrgName.ProjectName.Unity.Editor.AnnoyingStuff
{
    public class PluginSuppressor : AssetPostprocessor
    {
        [InitializeOnLoadMethod]
        private static void Initialize()
        {
            SuppressPlayMakerAutoAddGUI();
            SuppressParrelSyncFeedbackScreen();
        }

        private static void OnPostprocessAllAssets(
            string[] importedAssets,
            string[] deletedAssets,
            string[] movedAssets,
            string[] movedFromAssetPaths)
        {
            // This is the best place to suppress the welcome screen because doing so has a side
            // effect of creating an asset (EditorStartupPrefs.asset). You get an error if you
            // create an asset in InitializeOnLoad "Unable to import newly created asset"
            // Also, PlayMaker already has a hack in place to handle the welcome screen in a
            // listener of EditorApplication.update (see PlayMakerEditorStartup class).
            // OnPostprocessAllAssets() gets invoked before EditorApplication.update is invoked.
            SuppressPlayMakerWelcomeScreen();
        }

        private static void SuppressPlayMakerAutoAddGUI()
        {
            FsmEditorSettings.AutoAddPlayMakerGUI = false;
            // I'm calling EditorPrefs directly instead of FsmEditorSettings.SaveSettings()
            // which would accomplish the same thing. The problem with that method is that it
            // has a massive number of other settings that aren't necessary to touch here, so
            // I'm trying to be more targeted at this specific setting.
            EditorPrefs.SetBool("PlayMaker.AutoAddPlayMakerGUI", FsmEditorSettings.AutoAddPlayMakerGUI);
        }

        private static void SuppressPlayMakerWelcomeScreen()
        {
            const string suppressorPlayMakerWelcomeKey = nameof(PluginSuppressor) + ".PlayMakerWelcomeScreen";

            if (SessionState.GetBool(suppressorPlayMakerWelcomeKey, false))
                return;

            EditorStartupPrefs.ShowWelcomeScreen = false;
            EditorStartupPrefs.WelcomeScreenVersion = PlayMakerWelcomeWindow.Version;
            EditorStartupPrefs.ProjectUpdated(true);

            SessionState.SetBool(suppressorPlayMakerWelcomeKey, true);
        }

        private static void SuppressParrelSyncFeedbackScreen()
        {
            // see ParrelSync.NonCore.AskFeedbackDialog.StopShowingKey
            EditorPrefs.SetBool("ParrelSync_StopShowFeedBack", true);
        }
    }
}