add subfolder structure

Assets/Escape Room Engine/Portal/Scripts/PortalDriver.cs

@@ -0,0 +1,86 @@
+using System;
+using UnityEngine;
+
+namespace Escape_Room_Engine.Portal
+{
+    [RequireComponent(typeof(Collider), typeof(Rigidbody))]
+    public class PortalDriver : MonoBehaviour
+    {
+        /// <summary>
+        /// The object that will be transported through the portal. Usually either this object or a parent offset object.
+        /// If left empty, it will default to this object.
+        /// </summary>
+        public Transform traveller;
+        /// <summary>
+        /// Whether this portal driver has a clone mirroring it at other portals. Disable this for the player.
+        /// </summary>
+        public bool hasClone = true;
+
+        /// <summary>
+        /// The side of the portal this became tracked on.
+        /// </summary>
+        [HideInInspector] public int entrySide;
+        /// <summary>
+        /// The clone that is used to mirror this portal driver at another portal.
+        /// </summary>
+        [HideInInspector] public PortalDriverClone clone;
+
+        private Collider _collider;
+        private Rigidbody _rigidbody;
+
+        private void Awake()
+        {
+            // check whether the collider is set up correctly
+            _collider = GetComponent<Collider>();
+            if (_collider.isTrigger) throw new Exception("Collider must not be a trigger.");
+            
+            // check whether the traveller is set
+            if (!traveller) traveller = transform;
+            
+            // get the rigidbody if there is one
+            _rigidbody = GetComponent<Rigidbody>();
+        }
+
+        protected void Start()
+        {
+            if (hasClone)
+                clone = PortalDriverClone.Create(this);
+        }
+
+        private void Update()
+        {
+            if (hasClone && clone.gameObject.activeSelf)
+                clone.UpdatePosition(transform);
+        }
+
+        public void EnableClone(Portal at)
+        {
+            if (hasClone)
+            {
+                clone.portal = at;
+                clone.gameObject.SetActive(true);
+            }
+        }
+
+        public void DisableClone(Portal at)
+        {
+            if (hasClone && at.Equals(clone.portal)) // don't disable clones that are already at a different portal
+            {
+                clone.portal = null;
+                clone.gameObject.SetActive(false);
+            }
+        }
+
+        public void Teleport(Portal from, Portal to)
+        {
+            var m = to.transform.localToWorldMatrix * Portal.HalfRotation * from.transform.worldToLocalMatrix *
+                    traveller.localToWorldMatrix;
+            traveller.SetPositionAndRotation(m.GetPosition(), m.rotation);
+            if (_rigidbody)
+            {
+                _rigidbody.velocity = to.transform.TransformDirection(
+                    Portal.HalfRotation.rotation * from.transform.InverseTransformDirection(_rigidbody.velocity));
+            }
+        }
+    }
+}