push what i have

AlternateIKSystem/IK/BodyControl.cs

@@ -1,6 +1,5 @@
 using ABI_RC.Core.Player;
 using ABI_RC.Systems.MovementSystem;
-using RootMotion.FinalIK;
 using UnityEngine;
 
 namespace NAK.AlternateIKSystem.IK;
@@ -54,6 +53,11 @@ public class BodyControl
 
     #region Public Methods
 
+    public void Start()
+    {
+
+    }
+
     public void Update()
     {
         TrackingAll = ShouldTrackAll();
@@ -88,60 +92,4 @@ public class BodyControl
     }
 
     #endregion
-
-    #region Solver Weight Helpers
-
-    // I am unsure on this...?
-
-    public static void SetLookAtWeight(LookAtIK lookAtIk, float weight)
-    {
-        if (lookAtIk != null)
-            lookAtIk.solver.IKPositionWeight = weight;
-    }
-
-    public static void SetHeadWeight(IKSolverVR.Spine spine, float weight)
-    {
-        spine.positionWeight = weight;
-        spine.rotationWeight = weight;
-    }
-
-    public static void SetArmWeight(IKSolverVR.Arm arm, float weight)
-    {
-        arm.positionWeight = weight;
-        arm.rotationWeight = weight;
-        //arm.shoulderRotationWeight = weight;
-        //arm.shoulderTwistWeight = weight;
-        arm.bendGoalWeight = arm.bendGoal != null ? weight : 0f;
-    }
-
-    public static void SetLegWeight(IKSolverVR.Leg leg, float weight)
-    {
-        leg.positionWeight = weight;
-        leg.rotationWeight = weight;
-        leg.bendGoalWeight = leg.usingKneeTracker ? weight : 0f;
-    }
-
-    public static void SetPelvisWeight(IKSolverVR.Spine spine, float weight)
-    {
-        spine.pelvisPositionWeight = weight;
-        spine.pelvisRotationWeight = weight;
-    }
-
-    public static void SetLocomotionWeight(IKSolverVR.Locomotion locomotion, float weight)
-    {
-        locomotion.weight = weight;
-    }
-
-    public static void SetIKPositionWeight(IKSolverVR solver, float weight)
-    {
-        solver.IKPositionWeight = weight;
-    }
-
-    public static void SetIKPositionWeight(LookAtIK lookAtIk, float weight)
-    {
-        if (lookAtIk != null)
-            lookAtIk.solver.IKPositionWeight = weight;
-    }
-
-    #endregion
 }

AlternateIKSystem/IK/IKHandlers/IKHandler.cs

@@ -109,52 +109,42 @@ internal abstract class IKHandler
     protected virtual void Update_HeadWeight()
     {
         float targetWeight = GetTargetWeight(BodyControl.TrackingHead, true);
-        BodyControl.SetHeadWeight(_solver.spine, targetWeight);
-        BodyControl.SetLookAtWeight(IKManager.lookAtIk, targetWeight);
     }
 
     protected virtual void Update_LeftArmWeight()
     {
         float leftArmWeight = GetTargetWeight(BodyControl.TrackingLeftArm, _solver.leftArm.target != null);
-        BodyControl.SetArmWeight(_solver.leftArm, leftArmWeight);
     }
 
     protected virtual void Update_RightArmWeight()
     {
         float rightArmWeight = GetTargetWeight(BodyControl.TrackingRightArm, _solver.rightArm.target != null);
-        BodyControl.SetArmWeight(_solver.rightArm, rightArmWeight);
     }
 
     protected virtual void Update_LeftLegWeight()
     {
         float leftLegWeight = GetTargetWeight(BodyControl.TrackingLeftLeg, _solver.leftLeg.target != null);
-        BodyControl.SetLegWeight(_solver.leftLeg, leftLegWeight);
     }
 
     protected virtual void Update_RightLegWeight()
     {
         float rightLegWeight = GetTargetWeight(BodyControl.TrackingRightLeg, _solver.rightLeg.target != null);
-        BodyControl.SetLegWeight(_solver.rightLeg, rightLegWeight);
     }
 
     protected virtual void Update_PelvisWeight()
     {
         float pelvisWeight = GetTargetWeight(BodyControl.TrackingPelvis, _solver.spine.pelvisTarget != null);
-        BodyControl.SetPelvisWeight(_solver.spine, pelvisWeight);
     }
 
     protected virtual void Update_LocomotionWeight()
     {
         _locomotionWeight = Mathf.Lerp(_locomotionWeight, BodyControl.TrackingLocomotion ? 1f : 0f,
             Time.deltaTime * ModSettings.EntryIKLerpSpeed.Value * 2f);
-        BodyControl.SetLocomotionWeight(_solver.locomotion, _locomotionWeight);
     }
 
     protected virtual void Update_IKPositionWeight()
     {
         float ikPositionWeight = BodyControl.TrackingAll ? BodyControl.TrackingIKPositionWeight : 0f;
-        BodyControl.SetIKPositionWeight(_solver, ikPositionWeight);
-        BodyControl.SetIKPositionWeight(IKManager.lookAtIk, ikPositionWeight);
     }
 
     protected virtual float GetTargetWeight(bool isTracking, bool hasTarget)

AlternateIKSystem/IK/IKHandlers/IKHandlerDesktop.cs

@@ -1,4 +1,5 @@
-using RootMotion.FinalIK;
+using NAK.AlternateIKSystem.IK.WeightManipulators;
+using RootMotion.FinalIK;
 using UnityEngine;
 
 namespace NAK.AlternateIKSystem.IK.IKHandlers;
@@ -16,13 +17,13 @@ internal class IKHandlerDesktop : IKHandler
     public override void OnInitializeIk()
     {
         // Default tracking for Desktop
-        shouldTrackHead = true;
-        shouldTrackLeftArm = false;
-        shouldTrackRightArm = false;
-        shouldTrackLeftLeg = false;
-        shouldTrackRightLeg = false;
-        shouldTrackPelvis = false;
-        shouldTrackLocomotion = true;
+        DeviceControlManipulator.shouldTrackHead = true;
+        DeviceControlManipulator.shouldTrackLeftArm = false;
+        DeviceControlManipulator.shouldTrackRightArm = false;
+        DeviceControlManipulator.shouldTrackLeftLeg = false;
+        DeviceControlManipulator.shouldTrackRightLeg = false;
+        DeviceControlManipulator.shouldTrackPelvis = false;
+        DeviceControlManipulator.shouldTrackLocomotion = true;
 
         _vrik.onPreSolverUpdate.AddListener(OnPreSolverUpdateDesktop);
     }
@@ -36,11 +37,6 @@ internal class IKHandlerDesktop : IKHandler
         // Reset avatar local position
         _vrik.transform.localPosition = Vector3.zero;
         _vrik.transform.localRotation = Quaternion.identity;
-
-        base.UpdateWeights();
-
-        // Desktop should never have head position weight
-        _solver.spine.positionWeight = 0f;
     }
 
     #endregion

AlternateIKSystem/IK/IKHandlers/IKHandlerHalfBody.cs

@@ -1,4 +1,5 @@
-using RootMotion.FinalIK;
+using NAK.AlternateIKSystem.IK.WeightManipulators;
+using RootMotion.FinalIK;
 using UnityEngine;
 
 namespace NAK.AlternateIKSystem.IK.IKHandlers;
@@ -16,13 +17,13 @@ internal class IKHandlerHalfBody : IKHandler
     public override void OnInitializeIk()
     {
         // Default tracking for HalfBody
-        shouldTrackHead = true;
-        shouldTrackLeftArm = true;
-        shouldTrackRightArm = true;
-        shouldTrackLeftLeg = false;
-        shouldTrackRightLeg = false;
-        shouldTrackPelvis = false;
-        shouldTrackLocomotion = true;
+        DeviceControlManipulator.shouldTrackHead = true;
+        DeviceControlManipulator.shouldTrackLeftArm = true;
+        DeviceControlManipulator.shouldTrackRightArm = true;
+        DeviceControlManipulator.shouldTrackLeftLeg = false;
+        DeviceControlManipulator.shouldTrackRightLeg = false;
+        DeviceControlManipulator.shouldTrackPelvis = false;
+        DeviceControlManipulator.shouldTrackLocomotion = true;
 
         _vrik.onPreSolverUpdate.AddListener(OnPreSolverUpdateHalfBody);
     }

AlternateIKSystem/IK/IKManager.cs

@@ -2,6 +2,7 @@
 using ABI_RC.Core.Player;
 using ABI_RC.Core.Savior;
 using NAK.AlternateIKSystem.IK.IKHandlers;
+using NAK.AlternateIKSystem.IK.WeightManipulators;
 using NAK.AlternateIKSystem.VRIKHelpers;
 using RootMotion.FinalIK;
 using UnityEngine;
@@ -15,6 +16,7 @@ public class IKManager : MonoBehaviour
     #region Variables
 
     public BodyControl BodyControl = new BodyControl();
+    public WeightManipulatorManager WeightManipulator = new WeightManipulatorManager();
 
     public static VRIK vrik => _vrik;
     private static VRIK _vrik;
@@ -83,15 +85,23 @@ public class IKManager : MonoBehaviour
         _leftHandRotations = _leftHandTarget.Find("LeftHandRotations");
         _rightHandTarget = _rightController.Find("RightHandTarget");
         _rightHandRotations = _rightHandTarget.Find("RightHandRotations");
+
+        WeightManipulator.AddOverride(new TrackingControlManipulator());
+        WeightManipulator.AddOverride(new DeviceControlManipulator());
+
+        BodyControl.Start();
     }
 
     private void Update()
     {
-        BodyControl.Update();
-
         if (!_isAvatarInitialized)
             return;
 
+        BodyControl.Update();
+
+        if (vrik.solver != null)
+            WeightManipulator.UpdateWeights(vrik.solver);
+
         _ikHandler?.UpdateWeights();
     }
 

AlternateIKSystem/IK/Tracking/SteamVRTrackerManager.cs

@@ -0,0 +1,87 @@
+using UnityEngine;
+using Valve.VR;
+
+namespace AlternateIKSystem.IK.Tracking;
+
+public class SteamVR_TrackerManager : MonoBehaviour
+{
+    public static SteamVR_TrackerManager Instance { get; private set; }
+
+    private readonly Dictionary<uint, TrackedPoint> trackedPoints = new Dictionary<uint, TrackedPoint>();
+    private int lastPosesCount = 0;
+
+    private void Awake()
+    {
+        if (Instance != null)
+        {
+            DestroyImmediate(this);
+            return;
+        }
+        Instance = this;
+    }
+
+    private void OnEnable()
+    {
+        SteamVR_Events.NewPoses.AddListener(OnNewPoses);
+    }
+
+    private void OnDisable()
+    {
+        SteamVR_Events.NewPoses.RemoveListener(OnNewPoses);
+    }
+
+    private void OnNewPoses(TrackedDevicePose_t[] poses)
+    {
+        if (lastPosesCount < poses.Length)
+        {
+            // If the count has increased, a new tracker has been connected.
+            for (uint i = (uint)lastPosesCount; i < poses.Length; i++)
+            {
+                if (OpenVR.System.GetTrackedDeviceClass(i) == ETrackedDeviceClass.GenericTracker)
+                    trackedPoints.Add(i, new TrackedPoint(i));
+            }
+        }
+        else if (lastPosesCount > poses.Length)
+        {
+            // If the count has decreased, a tracker has been disconnected.
+            for (uint i = (uint)poses.Length; i < lastPosesCount; i++)
+            {
+                if (!trackedPoints.ContainsKey(i))
+                    continue;
+
+                trackedPoints[i].Destroy();
+                trackedPoints.Remove(i);
+            }
+        }
+
+        for (uint i = 0; i < poses.Length; i++)
+        {
+            if (trackedPoints.TryGetValue(i, out TrackedPoint point))
+            {
+                point.UpdatePose(poses[i]);
+            }
+        }
+
+        lastPosesCount = poses.Length;
+    }
+
+    private class TrackedPoint
+    {
+        private uint i;
+
+        public TrackedPoint(uint i)
+        {
+            this.i = i;
+        }
+
+        public void UpdatePose(TrackedDevicePose_t pose)
+        {
+
+        }
+
+        public void Destroy()
+        {
+
+        }
+    }
+}

AlternateIKSystem/IK/WeightManipulators/BodyParts/BodyPart.cs

@@ -0,0 +1,132 @@
+using RootMotion.FinalIK;
+
+namespace NAK.AlternateIKSystem.IK.WeightManipulators.BodyParts;
+
+public abstract class BodyPart
+{
+    protected float positionWeight = 1f;
+    protected float rotationWeight = 1f;
+    protected bool isEnabled = true;
+
+    public void SetPositionWeight(float weight)
+    {
+        this.positionWeight *= weight;
+    }
+
+    public void SetRotationWeight(float weight)
+    {
+        this.rotationWeight *= weight;
+    }
+
+    public void SetEnabled(bool isEnabled)
+    {
+        this.isEnabled = isEnabled;
+    }
+
+    public abstract void ApplyWeightToSolver(IKSolverVR solver);
+}
+
+public class Head : BodyPart
+{
+    public override void ApplyWeightToSolver(IKSolverVR solver)
+    {
+        if (!isEnabled) return;
+        solver.spine.positionWeight *= positionWeight;
+        solver.spine.rotationWeight *= rotationWeight;
+    }
+}
+
+public class Pelvis : BodyPart
+{
+    public override void ApplyWeightToSolver(IKSolverVR solver)
+    {
+        if (!isEnabled) return;
+        solver.spine.pelvisPositionWeight *= positionWeight;
+        solver.spine.pelvisRotationWeight *= rotationWeight;
+    }
+}
+
+public class LeftArm : BodyPart
+{
+    private float bendGoalWeight = 1f;
+
+    public void SetBendGoalWeight(float weight)
+    {
+        this.bendGoalWeight *= weight;
+    }
+
+    public override void ApplyWeightToSolver(IKSolverVR solver)
+    {
+        if (!isEnabled) return;
+
+        solver.leftArm.positionWeight *= positionWeight;
+        solver.leftArm.rotationWeight *= rotationWeight;
+        solver.leftArm.bendGoalWeight *= bendGoalWeight;
+    }
+}
+
+public class RightArm : BodyPart
+{
+    private float bendGoalWeight = 1f;
+
+    public void SetBendGoalWeight(float weight)
+    {
+        this.bendGoalWeight *= weight;
+    }
+
+    public override void ApplyWeightToSolver(IKSolverVR solver)
+    {
+        if (!isEnabled) return;
+
+        solver.rightArm.positionWeight *= positionWeight;
+        solver.rightArm.rotationWeight *= rotationWeight;
+        solver.rightArm.bendGoalWeight *= bendGoalWeight;
+    }
+}
+
+public class LeftLeg : BodyPart
+{
+    private float bendGoalWeight = 1f;
+
+    public void SetBendGoalWeight(float weight)
+    {
+        this.bendGoalWeight *= weight;
+    }
+
+    public override void ApplyWeightToSolver(IKSolverVR solver)
+    {
+        if (!isEnabled) return;
+
+        solver.leftLeg.positionWeight *= positionWeight;
+        solver.leftLeg.rotationWeight *= rotationWeight;
+        solver.leftLeg.bendGoalWeight *= bendGoalWeight;
+    }
+}
+
+public class RightLeg : BodyPart
+{
+    private float bendGoalWeight = 1f;
+
+    public void SetBendGoalWeight(float weight)
+    {
+        this.bendGoalWeight *= weight;
+    }
+
+    public override void ApplyWeightToSolver(IKSolverVR solver)
+    {
+        if (!isEnabled) return;
+
+        solver.rightLeg.positionWeight *= positionWeight;
+        solver.rightLeg.rotationWeight *= rotationWeight;
+        solver.rightLeg.bendGoalWeight *= bendGoalWeight;
+    }
+}
+
+public class Locomotion : BodyPart
+{
+    public override void ApplyWeightToSolver(IKSolverVR solver)
+    {
+        if (!isEnabled) return;
+        solver.locomotion.weight *= positionWeight;
+    }
+}

AlternateIKSystem/IK/WeightManipulators/DeviceControlManipulator.cs

@@ -0,0 +1,31 @@
+using NAK.AlternateIKSystem.IK.WeightManipulators.Interface;
+using RootMotion.FinalIK;
+
+namespace NAK.AlternateIKSystem.IK.WeightManipulators;
+
+public class DeviceControlManipulator : IWeightManipulator
+{
+    public static bool shouldTrackAll = true;
+    public static bool shouldTrackHead = true;
+    public static bool shouldTrackPelvis = true;
+    public static bool shouldTrackLeftArm = true;
+    public static bool shouldTrackRightArm = true;
+    public static bool shouldTrackLeftLeg = true;
+    public static bool shouldTrackRightLeg = true;
+    public static bool shouldTrackLocomotion = true;
+
+    public WeightManipulatorManager Manager { get; set; }
+
+    // Manipulator for Connected Devices (Has final say)
+    public void Update(IKSolverVR solver)
+    {
+        Manager.TrackAll &= shouldTrackAll;
+        Manager.TrackHead &= shouldTrackHead;
+        Manager.TrackPelvis &= shouldTrackPelvis;
+        Manager.TrackLeftArm &= shouldTrackLeftArm;
+        Manager.TrackRightArm &= shouldTrackRightArm;
+        Manager.TrackLeftLeg &= shouldTrackLeftLeg;
+        Manager.TrackRightLeg &= shouldTrackRightLeg;
+        Manager.TrackLocomotion &= shouldTrackLocomotion;
+    }
+}

AlternateIKSystem/IK/WeightManipulators/Interface/IWeightManipulator.cs

@@ -0,0 +1,9 @@
+using RootMotion.FinalIK;
+
+namespace NAK.AlternateIKSystem.IK.WeightManipulators.Interface;
+
+public interface IWeightManipulator
+{
+    WeightManipulatorManager Manager { get; set; }
+    void Update(IKSolverVR solver);
+}

AlternateIKSystem/IK/WeightManipulators/TrackingControlManipulator.cs

@@ -0,0 +1,22 @@
+using NAK.AlternateIKSystem.IK.WeightManipulators.Interface;
+using RootMotion.FinalIK;
+
+namespace NAK.AlternateIKSystem.IK.WeightManipulators;
+
+public class TrackingControlManipulator : IWeightManipulator
+{
+    public WeightManipulatorManager Manager { get; set; }
+
+    // Manipulator for External Control (Auto, State Behaviour)
+    public void Update(IKSolverVR solver)
+    {
+        Manager.TrackAll |= BodyControl.TrackingAll;
+        Manager.TrackHead |= BodyControl.TrackingHead;
+        Manager.TrackPelvis |= BodyControl.TrackingPelvis;
+        Manager.TrackLeftArm |= BodyControl.TrackingLeftArm;
+        Manager.TrackRightArm |= BodyControl.TrackingRightArm;
+        Manager.TrackLeftLeg |= BodyControl.TrackingLeftLeg;
+        Manager.TrackRightLeg |= BodyControl.TrackingRightLeg;
+        Manager.TrackLocomotion |= BodyControl.TrackingLocomotion;
+    }
+}

AlternateIKSystem/IK/WeightManipulators/WeightManipulatorManager.cs

@@ -0,0 +1,84 @@
+using NAK.AlternateIKSystem.IK.WeightManipulators.BodyParts;
+using NAK.AlternateIKSystem.IK.WeightManipulators.Interface;
+using RootMotion.FinalIK;
+
+namespace NAK.AlternateIKSystem.IK.WeightManipulators;
+
+public enum BodyPartEnum
+{
+    Head,
+    Pelvis,
+    LeftArm,
+    RightArm,
+    LeftLeg,
+    RightLeg,
+    Locomotion,
+    All
+}
+
+public class WeightManipulatorManager
+{
+    private readonly Dictionary<BodyPartEnum, BodyPart> _bodyParts = new Dictionary<BodyPartEnum, BodyPart>();
+
+    public WeightManipulatorManager()
+    {
+        _bodyParts.Add(BodyPartEnum.Head, new Head());
+        _bodyParts.Add(BodyPartEnum.Pelvis, new Pelvis());
+        _bodyParts.Add(BodyPartEnum.LeftArm, new LeftArm());
+        _bodyParts.Add(BodyPartEnum.RightArm, new RightArm());
+        _bodyParts.Add(BodyPartEnum.LeftLeg, new LeftLeg());
+        _bodyParts.Add(BodyPartEnum.RightLeg, new RightLeg());
+        _bodyParts.Add(BodyPartEnum.Locomotion, new Locomotion());
+    }
+
+    public void SetWeight(BodyPartEnum bodyPartName, float positionWeight, float rotationWeight)
+    {
+        var bodyPart = _bodyParts[bodyPartName];
+        bodyPart.SetPositionWeight(positionWeight);
+        bodyPart.SetRotationWeight(rotationWeight);
+    }
+
+    public void SetEnabled(BodyPartEnum bodyPartName, bool isEnabled)
+    {
+        var bodyPart = _bodyParts[bodyPartName];
+        bodyPart.SetEnabled(isEnabled);
+    }
+
+    public void ApplyWeightsToSolver(IKSolverVR solver)
+    {
+        foreach (var bodyPart in _bodyParts.Values)
+        {
+            bodyPart.ApplyWeightToSolver(solver);
+        }
+    }
+}
+
+public class BodyControl
+{
+    private readonly WeightManipulatorManager _manager;
+
+    public BodyControl(WeightManipulatorManager manager)
+    {
+        _manager = manager;
+    }
+
+    public void SetWeight(string bodyPartName, float positionWeight, float rotationWeight)
+    {
+        _manager.SetWeight(bodyPartName, positionWeight, rotationWeight);
+    }
+}
+
+public class DeviceControl
+{
+    private readonly WeightManipulatorManager _manager;
+
+    public DeviceControl(WeightManipulatorManager manager)
+    {
+        _manager = manager;
+    }
+
+    public void SetEnabled(string bodyPartName, bool isEnabled)
+    {
+        _manager.SetEnabled(bodyPartName, isEnabled);
+    }
+}

AlternateIKSystem/Integrations/BTKUIAddon.cs

@@ -43,7 +43,7 @@ public static class BTKUIAddon
 
         // Fake root heading limit
         AddMelonSlider(ref generalIKPage, ModSettings.EntryBodyHeadingLimit, 0, 90f, 0);
-        
+
         // Lerp Speed
         AddMelonSlider(ref generalIKPage, ModSettings.EntryIKLerpSpeed, 0, 20f, 0);
     }

NAK_CVR_Mods.sln

@@ -79,6 +79,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AlternateIKSystem", "Altern
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NoDepthOnlyFlat", "NoDepthOnlyFlat\NoDepthOnlyFlat.csproj", "{6F2F8774-40CF-4DE1-BC6C-DC00CA76D6A8}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ViewpointHeadScaleFix", "ViewpointHeadScaleFix\ViewpointHeadScaleFix.csproj", "{337A284D-C4AC-4B1B-B094-B6F758278BD8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -237,6 +239,10 @@ Global
 		{6F2F8774-40CF-4DE1-BC6C-DC00CA76D6A8}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{6F2F8774-40CF-4DE1-BC6C-DC00CA76D6A8}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{6F2F8774-40CF-4DE1-BC6C-DC00CA76D6A8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{337A284D-C4AC-4B1B-B094-B6F758278BD8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{337A284D-C4AC-4B1B-B094-B6F758278BD8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{337A284D-C4AC-4B1B-B094-B6F758278BD8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{337A284D-C4AC-4B1B-B094-B6F758278BD8}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

ViewpointHeadScaleFix/Main.cs

@@ -0,0 +1,55 @@
+using ABI_RC.Core.Player;
+using ABI_RC.Core.Savior;
+using MelonLoader;
+using System.Reflection;
+using UnityEngine;
+
+namespace NAK.ViewpointHeadScaleFix;
+
+// Makes initialCameraPos scale with head bone scale
+
+public class ViewpointHeadScaleFix : MelonMod
+{
+    public override void OnInitializeMelon()
+    {
+        HarmonyInstance.Patch(
+            typeof(PlayerSetup).GetMethod(nameof(PlayerSetup.CalibrateAvatar)),
+            postfix: new HarmonyLib.HarmonyMethod(typeof(ViewpointHeadScaleFix).GetMethod(nameof(OnPlayerSetupCalibrateAvatar_Postfix), BindingFlags.NonPublic | BindingFlags.Static))
+        );
+        HarmonyInstance.Patch(
+            typeof(PlayerSetup).GetMethod(nameof(PlayerSetup.SetViewPointOffset)),
+            prefix: new HarmonyLib.HarmonyMethod(typeof(ViewpointHeadScaleFix).GetMethod(nameof(OnPlayerSetupSetViewPointOffset_Prefix), BindingFlags.NonPublic | BindingFlags.Static))
+        );
+    }
+
+    private static void OnPlayerSetupCalibrateAvatar_Postfix(ref PlayerSetup __instance)
+    {
+        if (!MetaPort.Instance.isUsingVr) 
+            return;
+
+        Transform headTransform = __instance._animator.GetBoneTransform(HumanBodyBones.Head);
+        if (headTransform == null) 
+            return;
+        
+        _originalCameraPos = __instance.initialCameraPos;
+        _initialHeadScale = headTransform.localScale;
+    }
+
+    private static void OnPlayerSetupSetViewPointOffset_Prefix(ref PlayerSetup __instance)
+    {
+        if (!MetaPort.Instance.isUsingVr)
+            return;
+        
+        Transform headTransform = __instance._animator.GetBoneTransform(HumanBodyBones.Head);
+        if (headTransform == null) 
+            return;
+        
+        __instance.initialCameraPos = __instance.MultiplyVectors(
+            _originalCameraPos,
+            __instance.DivideVectors(headTransform.localScale, _initialHeadScale)
+        );
+    }
+
+    private static Vector3 _originalCameraPos = Vector3.one;
+    private static Vector3 _initialHeadScale = Vector3.one;
+}

ViewpointHeadScaleFix/Properties/AssemblyInfo.cs

@@ -0,0 +1,32 @@
+using MelonLoader;
+using NAK.ViewpointHeadScaleFix.Properties;
+using System.Reflection;
+
+[assembly: AssemblyVersion(AssemblyInfoParams.Version)]
+[assembly: AssemblyFileVersion(AssemblyInfoParams.Version)]
+[assembly: AssemblyInformationalVersion(AssemblyInfoParams.Version)]
+[assembly: AssemblyTitle(nameof(NAK.ViewpointHeadScaleFix))]
+[assembly: AssemblyCompany(AssemblyInfoParams.Author)]
+[assembly: AssemblyProduct(nameof(NAK.ViewpointHeadScaleFix))]
+
+[assembly: MelonInfo(
+    typeof(NAK.ViewpointHeadScaleFix.ViewpointHeadScaleFix),
+    nameof(NAK.ViewpointHeadScaleFix),
+    AssemblyInfoParams.Version,
+    AssemblyInfoParams.Author,
+    downloadLink: "https://github.com/NotAKidOnSteam/NAK_CVR_Mods/tree/main/AvatarScale"
+)]
+
+[assembly: MelonGame("Alpha Blend Interactive", "ChilloutVR")]
+[assembly: MelonPlatform(MelonPlatformAttribute.CompatiblePlatforms.WINDOWS_X64)]
+[assembly: MelonPlatformDomain(MelonPlatformDomainAttribute.CompatibleDomains.MONO)]
+[assembly: MelonColor(255, 241, 200, 82)]
+[assembly: MelonAuthorColor(255, 114, 17, 25)]
+[assembly: HarmonyDontPatchAll]
+
+namespace NAK.ViewpointHeadScaleFix.Properties;
+internal static class AssemblyInfoParams
+{
+    public const string Version = "1.0.0";
+    public const string Author = "NotAKidoS";
+}

ViewpointHeadScaleFix/ViewpointHeadScaleFix.csproj

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project Sdk="Microsoft.NET.Sdk"/>