improved door grabbing. Sometimes leaves ghost hands.

2025-12-15 21:16:03 +02:00
parent 252e7a2fa6
commit 98526fd582
12 changed files with 546 additions and 152 deletions
--- a/Assets/_PROJECT/Models/DoorHandReplacer.cs
+++ b/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;
+            }
+        }
+    }
+
+}
+