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Assets/Mirror/Examples/CouchCoop/Scripts/CouchPlayer.cs

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+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Mirror.Examples.CouchCoop
+{
+    public class CouchPlayer : NetworkBehaviour
+    {
+        public Rigidbody rb;
+        public float movementSpeed = 3;
+        public float jumpSpeed = 6;
+        private float movementVelocity;
+        private bool isGrounded;
+
+        public CouchPlayerManager couchPlayerManager;
+        private KeyCode jumpKey = KeyCode.Space; // Check CouchPlayerManager for controls
+        private KeyCode leftKey = KeyCode.LeftArrow;
+        private KeyCode rightKey = KeyCode.RightArrow;
+
+        [SyncVar(hook = nameof(OnNumberChangedHook))]
+        public int playerNumber = 0;
+        public Text textPlayerNumber;
+
+        // a list of players, is used for camera
+        public readonly static List<GameObject> playersList = new List<GameObject>();
+
+        public void Start()
+        {
+            playersList.Add(this.gameObject);
+           // print("playersList: " + playersList.Count);
+
+            SetPlayerUI();
+        }
+
+        public void OnDestroy()
+        {
+            playersList.Remove(this.gameObject);
+           // print("playersList: " + playersList.Count);
+        }
+
+        public override void OnStartAuthority()
+        {
+            this.enabled = true;
+
+            if (isOwned)
+            {
+#if UNITY_2022_2_OR_NEWER
+                couchPlayerManager = GameObject.FindAnyObjectByType<CouchPlayerManager>();
+#else
+                // Deprecated in Unity 2023.1
+                couchPlayerManager = GameObject.FindObjectOfType<CouchPlayerManager>();
+#endif
+                // setup controls according to the pre-sets on CouchPlayerManager
+                jumpKey = couchPlayerManager.playerKeyJump[playerNumber];
+                leftKey = couchPlayerManager.playerKeyLeft[playerNumber];
+                rightKey = couchPlayerManager.playerKeyRight[playerNumber];
+            }
+        }
+
+        void Update()
+        {
+            if (!Application.isFocused) return;
+            if (isOwned == false) { return; }
+
+            // you can control all local players via arrow keys and space bar for fun testing
+            // otherwise check and set individual controls in CouchPlayerManager script.
+            if (isGrounded == true)
+            {
+                if (Input.GetKey(KeyCode.Space) || Input.GetKeyDown(jumpKey))
+                {
+#if UNITY_6000_0_OR_NEWER
+                    rb.linearVelocity = new Vector2(rb.linearVelocity.x, jumpSpeed);
+#else
+                    rb.velocity = new Vector2(rb.velocity.x, jumpSpeed);
+#endif
+                }
+            }
+
+            movementVelocity = 0;
+
+            if (Input.GetKey(KeyCode.LeftArrow) || Input.GetKey(leftKey))
+            {
+                movementVelocity = -movementSpeed;
+            }
+            if (Input.GetKey(KeyCode.RightArrow) || Input.GetKey(rightKey))
+            {
+                movementVelocity = movementSpeed;
+            }
+#if UNITY_6000_0_OR_NEWER
+            rb.linearVelocity = new Vector2(movementVelocity, rb.linearVelocity.y);
+#else
+            rb.velocity = new Vector2(movementVelocity, rb.velocity.y);
+#endif
+        }
+
+        [ClientCallback]
+        void OnCollisionExit(Collision col)
+        {
+            if (isOwned == false) { return; }
+            isGrounded = false;
+        }
+
+        [ClientCallback]
+        void OnCollisionStay(Collision col)
+        {
+            if (isOwned == false) { return; }
+            isGrounded = true;
+        }
+
+        void OnNumberChangedHook(int _old, int _new)
+        {
+            //Debug.Log(name + " - OnNumberChangedHook: " + playerNumber);
+            SetPlayerUI();
+        }
+
+        public void SetPlayerUI()
+        {
+            // called from hook and in start, to solve a race condition
+            if (isOwned)
+            {
+                textPlayerNumber.text = "Local: " + playerNumber;
+            }
+            else
+            {
+                textPlayerNumber.text = "Remote: " + playerNumber;
+            }
+        }
+    }
+}