Removing intermediate copyLocation constraint build up

Assets/AnimationRiggingWorkshop/Constraints/CopyLocationStep1.cs

-using UnityEngine;
-using UnityEngine.Animations.Rigging;
-using UnityEngine.Experimental.Animations;
-using Unity.Burst;
-using Unity.Mathematics;
-
-[BurstCompile]
-public struct CopyLocationStep1Job : IWeightedAnimationJob
-{
-    public ReadWriteTransformHandle constrained;
-    public ReadOnlyTransformHandle  source;
-
-    // TODO : Update mask so it is dynamic
-    public float3 invertMask;
-
-    public FloatProperty jobWeight { get; set; }
-
-    public void ProcessRootMotion(AnimationStream stream) { }
-
-    public void ProcessAnimation(AnimationStream stream)
-    {
-        float w = jobWeight.Get(stream);
-        if (w > 0f)
-        {
-            constrained.SetPosition(
-                stream,
-                math.lerp(constrained.GetPosition(stream), source.GetPosition(stream) * invertMask, w)
-                );
-        }
-    }
-}
-
-[System.Serializable]
-public struct CopyLocationStep1Data : IAnimationJobData
-{
-    public Transform constrainedObject;
-    [SyncSceneToStream] public Transform sourceObject;
-
-    // TODO : Update fields to make these dynamic
-    public bool xInvert;
-    public bool yInvert;
-    public bool zInvert;
-
-    public bool IsValid()
-    {
-        return !(constrainedObject == null || sourceObject == null);
-    }
-
-    public void SetDefaultValues()
-    {
-        constrainedObject = null;
-        sourceObject = null;
-        xInvert = yInvert = zInvert = true;
-    }
-}
-
-public class CopyLocationStep1Binder : AnimationJobBinder<CopyLocationStep1Job, CopyLocationStep1Data>
-{
-    public override CopyLocationStep1Job Create(Animator animator, ref CopyLocationStep1Data data, Component component)
-    {
-        return new CopyLocationStep1Job()
-        {
-            constrained = ReadWriteTransformHandle.Bind(animator, data.constrainedObject),
-            source = ReadOnlyTransformHandle.Bind(animator, data.sourceObject),
-
-            // TODO : Bind data to stream so it becomes dynamic
-            invertMask = new float3(data.xInvert ? -1f : 1f, data.yInvert ? -1f : 1f, data.zInvert ? -1f : 1f)
-        };
-    }
-
-    public override void Destroy(CopyLocationStep1Job job) { }
-}
-
-[DisallowMultipleComponent, AddComponentMenu("SIGGRAPH 2019/Copy Location (Step 1)")]
-public class CopyLocationStep1 : RigConstraint<
-    CopyLocationStep1Job,
-    CopyLocationStep1Data,
-    CopyLocationStep1Binder
-    >
-{
-}

Assets/AnimationRiggingWorkshop/Constraints/CopyLocationStep1.cs.meta

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Assets/AnimationRiggingWorkshop/Scenes/CopyLocationStep1.unity.meta

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