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Packages/com.singularitygroup.hotreload/Runtime/Public/InvokeOnHotReload.cs

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+using System;
+using System.Reflection;
+
+namespace SingularityGroup.HotReload {
+    /// <summary>
+    /// Methods with this attribute will get invoked after a hot reload
+    /// </summary>
+    /// <remarks>
+    /// The method with this attribute needs to have no parameters.
+    /// Further more it needs to either be static or and instance method inside a <see cref="UnityEngine.MonoBehaviour"/>.
+    /// For the latter case the method of all instances of the <see cref="UnityEngine.MonoBehaviour"/> will be called.
+    /// In case the method has a return value it will be ignored.
+    /// </remarks>
+    [AttributeUsage(AttributeTargets.Method)]
+    public class InvokeOnHotReload : Attribute {
+    }
+
+    public class MethodPatch {
+	    // Compiled by the Unity Editor. Null for newly added methods.
+	    public MethodBase originalMethod;
+	    // Method before Hot Reload applied it's patch. Null for newly added methods.
+	    public MethodBase previousMethod;
+	    // Method generated by Hot Reload.
+	    public MethodBase newMethod;
+
+	    public MethodPatch(MethodBase originalMethod, MethodBase previousMethod, MethodBase newMethod) {
+		    this.originalMethod = originalMethod;
+		    this.previousMethod = previousMethod;
+		    this.newMethod = newMethod;
+	    }
+    }
+}