Add MaterialInstance.ResetParameters

Source/Engine/Content/Assets/MaterialInstance.cpp

@@ -293,6 +293,14 @@ void MaterialInstance::SetBaseMaterial(MaterialBase* baseMaterial)
     }
 }
 
+void MaterialInstance::ResetParameters()
+{
+    for (auto& param : Params)
+    {
+        param.SetIsOverride(false);
+    }
+}
+
 #if USE_EDITOR
 
 bool MaterialInstance::Save(const StringView& path)

Source/Engine/Content/Assets/MaterialInstance.h

@@ -28,6 +28,11 @@ public:
     /// <param name="baseMaterial">The base material.</param>
     API_PROPERTY() void SetBaseMaterial(MaterialBase* baseMaterial);
 
+    /// <summary>
+    /// Resets all parameters back to the base material (including disabling parameter overrides).
+    /// </summary>
+    API_FUNCTION() void ResetParameters();
+
 #if USE_EDITOR
 
     /// <summary>