Added Unity project files

Packages/com.vrchat.worlds/Integrations/ClientSim/Runtime/Interact/ClientSimInteractManager.cs

@@ -0,0 +1,68 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace VRC.SDK3.ClientSim
+{
+    /// <summary>
+    /// This class is responsible for saying if an object can be interacted with given the distance.
+    /// </summary>
+    public class ClientSimInteractManager : IClientSimInteractManager
+    {
+        public const float INTERACT_SCALE = 1.25f;
+        
+        private readonly IClientSimTrackingProvider _trackingScaleProvider;
+        private readonly IClientSimPlayerPickupData _pickupData;
+
+        public ClientSimInteractManager(
+            IClientSimTrackingProvider trackingScaleProvider, 
+            IClientSimPlayerPickupData pickupData)
+        {
+            _trackingScaleProvider = trackingScaleProvider;
+            _pickupData = pickupData;
+        }
+        
+        private float CalculateInteractDistanceFormula()
+        {
+            return _trackingScaleProvider.GetTrackingScale() * INTERACT_SCALE;
+        }
+
+        public IClientSimInteractable GetFirstInteractable(GameObject obj, float distance)
+        {
+            foreach (var interactable in obj.GetComponents<IClientSimInteractable>())
+            {
+                if (CanInteract(interactable, distance))
+                {
+                    return interactable;
+                }
+            }
+
+            return null;
+        }
+
+        public bool CanInteract(IClientSimInteractable interactable, float distance)
+        {
+            if (interactable is IClientSimPickupable && !_pickupData.GetPickupsEnabled())
+            {
+                return false;
+            }
+            
+            float proximityCalculation = CalculateInteractDistanceFormula() + interactable.GetProximity();
+            return interactable.CanInteract() && distance <= proximityCalculation;
+        }
+        
+        public List<IClientSimInteractable> Interact(GameObject obj, float distance)
+        {
+            List<IClientSimInteractable> interacts = new List<IClientSimInteractable>();
+            foreach (var interactable in obj.GetComponents<IClientSimInteractable>())
+            {
+                if (CanInteract(interactable, distance))
+                {
+                    interactable.Interact();
+                    interacts.Add(interactable);
+                }
+            }
+
+            return interacts;
+        }
+    }
+}