improved door grabbing. Sometimes leaves ghost hands.

Assets/_PROJECT/Models/DoorHandReplacer.cs

@@ -0,0 +1,108 @@
+using _PROJECT.NewHandPresence;
+using System.Collections.Generic;
+using UnityEngine;
+
+public enum GrabbingHand
+{
+    Right,
+    Left
+}
+
+public class DoorHandReplacer : MonoBehaviour
+{
+    public GameObject LeftHand;
+    public GameObject RightHand;
+
+    private GrabbingHand? hand = null;          // nullable
+    private SmartHandPresence currentHand = null;
+    private bool isGrabbing;
+
+    // Tracks all hands currently inside the trigger
+    private HashSet<SmartHandPresence> handsInTrigger = new HashSet<SmartHandPresence>();
+
+    public void ManifestDoorHand()
+    {
+        if (currentHand == null || hand == null) return;
+        isGrabbing = true;
+        switch (hand.Value)
+        {
+            case GrabbingHand.Left:
+                RightHand.SetActive(false);
+                LeftHand.SetActive(true);
+                Debug.Log("Dissapearing hand");
+                break;
+
+            case GrabbingHand.Right:
+                LeftHand.SetActive(false);
+                RightHand.SetActive(true);
+                Debug.Log("Dissapearing hand");
+                break;
+        }
+    }
+
+    public void DeManifestDoorHand()
+    {
+        isGrabbing = false;
+        LeftHand.SetActive(false);
+        RightHand.SetActive(false);
+        if (currentHand == null) return;
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        if (isGrabbing) return;
+
+        // IMPORTANT: in case hands have multiple colliders
+        SmartHandPresence playerHand = other.GetComponentInParent<SmartHandPresence>();
+        if (playerHand == null) return;
+
+        handsInTrigger.Add(playerHand);
+
+        currentHand = playerHand;
+
+        string name = playerHand.gameObject.name;
+
+        if (name.Contains("left", System.StringComparison.OrdinalIgnoreCase))
+        {
+            hand = GrabbingHand.Left;
+        }
+        else if (name.Contains("right", System.StringComparison.OrdinalIgnoreCase))
+        {
+            hand = GrabbingHand.Right;
+        }
+    }
+
+    private void OnTriggerExit(Collider other)
+    {
+        if (isGrabbing) return;
+
+        SmartHandPresence playerHand = other.GetComponentInParent<SmartHandPresence>();
+        if (playerHand == null) return;
+
+        handsInTrigger.Remove(playerHand);
+
+        // If no hands remain, clear everything
+        if (handsInTrigger.Count == 0)
+        {
+            currentHand = null;
+            hand = null;
+        }
+        else
+        {
+            // Pick any remaining hand as current
+            foreach (var remainingHand in handsInTrigger)
+            {
+                currentHand = remainingHand;
+
+                string name = remainingHand.gameObject.name;
+                hand = name.Contains("left", System.StringComparison.OrdinalIgnoreCase)
+                    ? GrabbingHand.Left
+                    : GrabbingHand.Right;
+
+                break;
+            }
+        }
+    }
+
+}
+

Assets/_PROJECT/Models/DoorHandReplacer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ac36ec1128f62944a96ea2127166b5cf
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/_PROJECT/Models/DoorSlab.fbx.meta

@@ -0,0 +1,108 @@
+fileFormatVersion: 2
+guid: 52fd38741dd12914a862eb9b5917a6e0
+ModelImporter:
+  serializedVersion: 22200
+  internalIDToNameTable: []
+  externalObjects: {}
+  materials:
+    materialImportMode: 2
+    materialName: 0
+    materialSearch: 1
+    materialLocation: 1
+  animations:
+    legacyGenerateAnimations: 4
+    bakeSimulation: 0
+    resampleCurves: 1
+    optimizeGameObjects: 0
+    removeConstantScaleCurves: 0
+    motionNodeName: 
+    rigImportErrors: 
+    rigImportWarnings: 
+    animationImportErrors: 
+    animationImportWarnings: 
+    animationRetargetingWarnings: 
+    animationDoRetargetingWarnings: 0
+    importAnimatedCustomProperties: 0
+    importConstraints: 0
+    animationCompression: 1
+    animationRotationError: 0.5
+    animationPositionError: 0.5
+    animationScaleError: 0.5
+    animationWrapMode: 0
+    extraExposedTransformPaths: []
+    extraUserProperties: []
+    clipAnimations: []
+    isReadable: 0
+  meshes:
+    lODScreenPercentages: []
+    globalScale: 1
+    meshCompression: 0
+    addColliders: 0
+    useSRGBMaterialColor: 1
+    sortHierarchyByName: 1
+    importVisibility: 1
+    importBlendShapes: 1
+    importCameras: 1
+    importLights: 1
+    nodeNameCollisionStrategy: 1
+    fileIdsGeneration: 2
+    swapUVChannels: 0
+    generateSecondaryUV: 0
+    useFileUnits: 1
+    keepQuads: 0
+    weldVertices: 1
+    bakeAxisConversion: 0
+    preserveHierarchy: 0
+    skinWeightsMode: 0
+    maxBonesPerVertex: 4
+    minBoneWeight: 0.001
+    optimizeBones: 1
+    meshOptimizationFlags: -1
+    indexFormat: 0
+    secondaryUVAngleDistortion: 8
+    secondaryUVAreaDistortion: 15.000001
+    secondaryUVHardAngle: 88
+    secondaryUVMarginMethod: 1
+    secondaryUVMinLightmapResolution: 40
+    secondaryUVMinObjectScale: 1
+    secondaryUVPackMargin: 4
+    useFileScale: 1
+    strictVertexDataChecks: 0
+  tangentSpace:
+    normalSmoothAngle: 60
+    normalImportMode: 0
+    tangentImportMode: 3
+    normalCalculationMode: 4
+    legacyComputeAllNormalsFromSmoothingGroupsWhenMeshHasBlendShapes: 0
+    blendShapeNormalImportMode: 1
+    normalSmoothingSource: 0
+  referencedClips: []
+  importAnimation: 1
+  humanDescription:
+    serializedVersion: 3
+    human: []
+    skeleton: []
+    armTwist: 0.5
+    foreArmTwist: 0.5
+    upperLegTwist: 0.5
+    legTwist: 0.5
+    armStretch: 0.05
+    legStretch: 0.05
+    feetSpacing: 0
+    globalScale: 1
+    rootMotionBoneName: 
+    hasTranslationDoF: 0
+    hasExtraRoot: 0
+    skeletonHasParents: 1
+  lastHumanDescriptionAvatarSource: {instanceID: 0}
+  autoGenerateAvatarMappingIfUnspecified: 1
+  animationType: 2
+  humanoidOversampling: 1
+  avatarSetup: 0
+  addHumanoidExtraRootOnlyWhenUsingAvatar: 1
+  importBlendShapeDeformPercent: 1
+  remapMaterialsIfMaterialImportModeIsNone: 0
+  additionalBone: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: