initial

2026-08-10 19:23:04 +02:00
commit 404d15a56c
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+using System.Collections.Generic;
+using AfterHours.Core;
+using AfterHours.Data;
+using AfterHours.Interaction;
+using Unity.Netcode;
+using UnityEngine;
+
+namespace AfterHours.Shop
+{
+    /// <summary>
+    /// Kasse. Kunden reihen sich ein; ein Spieler scannt Position für Position
+    /// und schließt ab. Sämtliche Geldbewegung passiert hier auf dem Server.
+    /// </summary>
+    public sealed class CashRegister : NetworkBehaviour, IInteractable
+    {
+        [SerializeField] private ProductCatalog _catalog;
+        [SerializeField] private Transform _queueStart;
+        [SerializeField] private float _queueSpacing = 0.8f;
+
+        /// <summary>Server-only. Clients sehen die Schlange über die NPC-Positionen.</summary>
+        private readonly List<Customers.CustomerAgent> _queue = new();
+
+        private readonly NetworkVariable<float> _pendingTotal = new(0f);
+        private readonly NetworkVariable<int> _scannedItems = new(0);
+
+        public float PendingTotal => _pendingTotal.Value;
+        public int QueueLength => _queue.Count;
+
+        public string GetPrompt(ulong clientId)
+        {
+            if (_queue.Count == 0) return "Kasse (frei)";
+            return _scannedItems.Value > 0
+                ? $"Kassieren — {_pendingTotal.Value:0.00} €"
+                : "Artikel scannen";
+        }
+
+        /// <summary>Server: ein Klick = ein Artikel scannen, oder abschließen wenn fertig.</summary>
+        public void Interact(NetworkObject actor)
+        {
+            if (!IsServer || _queue.Count == 0) return;
+
+            var customer = _queue[0];
+            if (customer == null) { _queue.RemoveAt(0); return; }
+
+            if (_scannedItems.Value < customer.BasketCount)
+            {
+                ScanNext(customer);
+                return;
+            }
+
+            Finalize(customer);
+        }
+
+        private void ScanNext(Customers.CustomerAgent customer)
+        {
+            var line = customer.BasketAt(_scannedItems.Value);
+            _pendingTotal.Value += line.Price;
+            _scannedItems.Value++;
+        }
+
+        private void Finalize(Customers.CustomerAgent customer)
+        {
+            ShopEconomy.Instance.Earn(_pendingTotal.Value);
+            ShopEconomy.Instance.RegisterSale(customer.Comfort);
+
+            customer.OnPaid();
+            _queue.RemoveAt(0);
+
+            _pendingTotal.Value = 0f;
+            _scannedItems.Value = 0;
+
+            ReflowQueue();
+        }
+
+        /// <summary>Server: Kunde stellt sich an. Gibt die Zielposition zurück.</summary>
+        public Vector3 Enqueue(Customers.CustomerAgent customer)
+        {
+            if (!IsServer) return _queueStart.position;
+
+            if (!_queue.Contains(customer)) _queue.Add(customer);
+            return SlotPosition(_queue.IndexOf(customer));
+        }
+
+        /// <summary>Server: Kunde verlässt die Schlange (z. B. weil er aufgibt).</summary>
+        public void Remove(Customers.CustomerAgent customer)
+        {
+            if (!IsServer) return;
+            if (_queue.Remove(customer)) ReflowQueue();
+        }
+
+        private void ReflowQueue()
+        {
+            for (int i = 0; i < _queue.Count; i++)
+                if (_queue[i] != null) _queue[i].MoveTo(SlotPosition(i));
+        }
+
+        private Vector3 SlotPosition(int index)
+        {
+            return _queueStart.position + _queueStart.forward * (-_queueSpacing * index);
+        }
+    }
+}