reset-world restores the original save (reset point in data/save_original), set-reset-point; per-player needs stored and returned; tests

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

WorldState.cs

@@ -19,6 +19,8 @@ public sealed class WorldState
     public Dictionary<int, ObjectPose> Objects { get; set; } = new();
     /// <summary>FsmEvent-Payloads (Base64) in der Reihenfolge, in der sie passiert sind.</summary>
     public List<string> Events { get; set; } = new();
+    /// <summary>SteamID64 -> eigene Bedürfnisse (Hunger, Durst, Stress ...), Name -> Wert.</summary>
+    public Dictionary<string, Dictionary<string, float>> PlayerNeeds { get; set; } = new();
     /// <summary>SteamID64 -> letzte Position.</summary>
     public Dictionary<string, float[]> PlayerPositions { get; set; } = new();
     /// <summary>Summe aller Geldänderungen seit dem Ausgangs-Spielstand (gemeinsame Kasse).</summary>
@@ -74,6 +76,7 @@ public sealed class WorldState
 
     public void Reset()
     {
+        PlayerNeeds.Clear();
         Spawns.Clear();
         Appeared.Clear();
         Destroyed.Clear();
@@ -215,6 +218,30 @@ public sealed class WorldState
         Dirty = true;
     }
 
+    /// <summary>PlayerNeeds: int n, je [string Name, float Wert]. Werte werden begrenzt, Unsinn verworfen.</summary>
+    public void ApplyNeeds(string steamId, byte[] payload)
+    {
+        if (string.IsNullOrEmpty(steamId) || payload.Length > 1024) return;
+        try
+        {
+            using var r = new BinaryReader(new MemoryStream(payload));
+            int count = r.ReadInt32();
+            if (count < 0 || count > 16) return;
+            var needs = new Dictionary<string, float>();
+            for (int i = 0; i < count; i++)
+            {
+                string name = r.ReadString();
+                float value = r.ReadSingle();
+                if (name.Length == 0 || name.Length > 40 || !float.IsFinite(value)) continue;
+                needs[name] = Math.Clamp(value, -1000f, 1000f);
+            }
+            if (needs.Count == 0) return;
+            PlayerNeeds[steamId] = needs;
+            Dirty = true;
+        }
+        catch (EndOfStreamException) { }
+    }
+
     // ---------------------------------------------------------------- Snapshot für neue Spieler
 
     /// <summary>
@@ -280,6 +307,16 @@ public sealed class WorldState
             }
             w.Write(Destroyed.Count);
             foreach (int id in Destroyed) w.Write(id);
+
+            // Eigene Bedürfnisse des Beitretenden: bool vorhanden [int n, je string Name, float Wert]
+            bool hasNeeds = steamId != null && PlayerNeeds.TryGetValue(steamId, out var own) && own.Count > 0;
+            w.Write(hasNeeds);
+            if (hasNeeds)
+            {
+                var needs = PlayerNeeds[steamId];
+                w.Write(needs.Count);
+                foreach (var kv in needs) { w.Write(kv.Key); w.Write(kv.Value); }
+            }
         });
     }
 }