4c - Ladders on XRI: climbing, top exit, IsClimbing

Assets/Gothic-VR/Resources/VR/Prefabs/VR - Player XRI.prefab

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@@ -832,6 +833,29 @@ MonoBehaviour:
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@@ -3620,6 +3644,7 @@ MonoBehaviour:
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   _gravityProvider: {fileID: 1435405315088257603}
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   _moveSpeed: 1.5
   _runSpeed: 3.5
@@ -5141,11 +5166,11 @@ PrefabInstance:
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Assets/Gothic-VR/Resources/VR/Prefabs/Vobs/oCMobLadder.prefab

@@ -14,6 +14,10 @@ GameObject:
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   m_Layer: 0
   m_Name: BIP01 LADDER
   m_TagString: Untagged
@@ -212,6 +216,149 @@ MonoBehaviour:
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+  m_TimeToAutoDeselectGaze: 3
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+  m_FirstHoverEntered:
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Assets/Gothic-VR/Scripts/Interaction/Backends/Xri/XriBackend.cs

@@ -13,8 +13,9 @@ namespace Gothic.VR.Interaction.Backends.Xri
     /// per hand, GothicGrabInteractable + XriInteractableBridge on oCItem), using mobs/NPCs and the socket core
     /// (VrSocketSlot + XriSocketBridge, "VR Socket Slot.prefab"), the backpack ("BackPack XRI.prefab") on the
     /// shoulder and the hip/shoulder holsters (VrBodyAnchor "Shoulders"/"Waist" on the rig), chest slots
-    /// (VrChestSlots, lid opened by hand: VrHinge), NPC loot slots and doors (VrHinge).
-    /// Missing: ladders (4c) and hands (5).
+    /// (VrChestSlots, lid opened by hand: VrHinge), NPC loot slots, doors (VrHinge) and ladders (ClimbProvider
+    /// on the rig, ClimbInteractable + VrLadderExit on oCMobLadder).
+    /// Missing: hands (5).
     /// </summary>
     public class XriBackend : IVrBackend
     {
@@ -25,8 +26,8 @@ public void InstallBindings(ContainerBuilder containerBuilder)
         {
             Logger.LogWarning("XRI backend is work in progress: rig, locomotion, input, haptics, UI laser pointers, " +
                               "screen fades, the XR Interaction Simulator, grabbing (items, mobs, NPCs), the " +
-                              "backpack, holsters, chest slots (lid opens by using it) and NPC loot work. " +
-                              "Physical doors/chest lids/ladders (4) and hands (5) are missing.", LogCat.VR);
+                              "backpack, holsters, chest slots, doors, chest lids, ladders and NPC loot work. " +
+                              "Hands (5) are missing.", LogCat.VR);
 
             containerBuilder.AddSingleton(typeof(XriInput), typeof(IVrInput), typeof(XriInput));
             containerBuilder.AddSingleton(typeof(XriHaptics), typeof(IVrHaptics));

Assets/Gothic-VR/Scripts/Interaction/Backends/Xri/XriGrabberBridge.cs

@@ -56,6 +56,12 @@ private void Awake()
             Interactor.selectEntered.AddListener(OnSelectEntered);
             Interactor.selectExited.AddListener(OnSelectExited);
             _isSubscribed = true;
+
+            if (Interactor.farInteractionCaster is CurveInteractionCaster farCaster)
+            {
+                farCaster.castDistance = VRConstants.DistanceGrabMaxDistance;
+                farCaster.coneCastAngle = VRConstants.DistanceGrabConeAngle;
+            }
         }
 
         private void OnDestroy()

Assets/Gothic-VR/Scripts/Interaction/Backends/Xri/XriInteractableBridge.cs

@@ -8,6 +8,7 @@
 using UnityEngine.XR.Interaction.Toolkit;
 using UnityEngine.XR.Interaction.Toolkit.Interactables;
 using UnityEngine.XR.Interaction.Toolkit.Interactors;
+using UnityEngine.XR.Interaction.Toolkit.Locomotion.Climbing;
 using Logger = Gothic.Core.Logging.Logger;
 
 namespace Gothic.VR.Interaction.Backends.Xri
@@ -94,6 +95,11 @@ private void Start()
 
             // Gothic meshes and their colliders are created at runtime, after XRI collected the colliders in Awake.
             CollectColliders();
+
+            // The climb range (ClimbInteractable.maxInteractionDistance) is measured to the ladder's body.
+            if (_xrInteractable is ClimbInteractable)
+                _xrInteractable.getDistanceOverride = GetDistanceToBounds;
+
             _xrInteractable.enabled = true;
         }
 
@@ -179,6 +185,30 @@ private void CollectColliders()
                 Logger.LogWarning($"[XRI] {name} has no colliders. It can't be grabbed or hovered.", LogCat.VR);
         }
 
+        /// <summary>
+        /// Distance to the colliders' bounds. XRI's own modes measure to the collider's transform (the ladder's base)
+        /// or need Collider.ClosestPoint, which Gothic's concave mesh colliders don't support.
+        /// </summary>
+        private DistanceInfo GetDistanceToBounds(IXRInteractable interactable, Vector3 position)
+        {
+            var result = new DistanceInfo { distanceSqr = float.MaxValue, point = position };
+            foreach (var itemCollider in interactable.colliders)
+            {
+                if (itemCollider == null || !itemCollider.enabled)
+                    continue;
+
+                var distanceSqr = itemCollider.bounds.SqrDistance(position);
+                if (distanceSqr >= result.distanceSqr)
+                    continue;
+
+                result.distanceSqr = distanceSqr;
+                result.point = itemCollider.bounds.ClosestPoint(position);
+                result.collider = itemCollider;
+            }
+
+            return result;
+        }
+
         private VrGrabArgs CreateSelectArgs(IXRInteractor interactor)
         {
             if (interactor is Component component && component.TryGetComponent(out XriGrabberBridge grabber))

Assets/Gothic-VR/Scripts/Interaction/Backends/Xri/XriLineOfSightFilter.cs

@@ -18,9 +18,6 @@ public class XriLineOfSightFilter : XRBaseTargetFilter
         [Tooltip("Layers which block the line of sight.")]
         [SerializeField] private LayerMask _blockingLayers = 1;
 
-        [Tooltip("Targets further away (m) can't be hovered or grabbed.")]
-        [SerializeField] private float _maxDistance = 10f;
-
         [Tooltip("Targets closer to the hand (m) skip the check.")]
         [SerializeField] private float _minCheckDistance = 0.15f;
 
@@ -56,7 +53,7 @@ private bool IsInLineOfSight(Vector3 origin, IXRInteractable target)
 
             var toTarget = closestPoint - origin;
             var distance = toTarget.magnitude;
-            if (distance > _maxDistance)
+            if (distance > VRConstants.DistanceGrabMaxDistance)
                 return false;
 
             if (distance <= _minCheckDistance)