Add Hot-reload/recompiling play mode lock

Boids/Assets/DisableScriptReload.cs

@@ -0,0 +1,37 @@
+ using UnityEditor;
+ using UnityEngine;
+ 
+ /// <summary>
+ /// Prevents script compilation and reload while in play mode.
+ /// The editor will show a the spinning reload icon if there are unapplied changes but will not actually
+ /// apply them until playmode is exited.
+ /// Note: Script compile errors will not be shown while in play mode.
+ /// Derived from the instructions here:
+ /// https://support.unity3d.com/hc/en-us/articles/210452343-How-to-stop-automatic-assembly-compilation-from-script
+ /// </summary>
+ [InitializeOnLoad]
+ public class DisableScriptReload
+ {
+     static DisableScriptReload()
+     {
+         EditorApplication.playModeStateChanged
+             += OnPlayModeStateChanged;
+     }
+ 
+     static void OnPlayModeStateChanged(PlayModeStateChange stateChange)
+     {
+         switch (stateChange) {
+             case (PlayModeStateChange.EnteredPlayMode): {
+                 EditorApplication.LockReloadAssemblies();
+                 Debug.Log ("Assembly Reload locked as entering play mode");
+                 break;
+             }
+             case (PlayModeStateChange.ExitingPlayMode): {
+                 Debug.Log ("Assembly Reload unlocked as exiting play mode");
+                 EditorApplication.UnlockReloadAssemblies();
+                 break;
+             }
+         }
+     }
+ 
+ }

Boids/Assets/DisableScriptReload.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 6a46ee76c3b4473f9aff1b62cf8674dc
+timeCreated: 1589846269