备份CatanBuilding瘦身独立工程

Assets/Scripts/EventBingo/BingoRng.cs

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+public class TrackedRng
+{
+    private readonly System.Random _rng;
+    private readonly int _seed;
+    private int _stepCount;
+    public int Seed => _seed;
+    public int StepCount => _stepCount;
+    public TrackedRngState State => new TrackedRngState() { Seed = _seed, StepCount = _stepCount };
+
+    public TrackedRng(int seed, int stepCount = 0)
+    {
+        _rng = new System.Random(seed);
+        _seed = seed;
+        _stepCount = stepCount;
+        while (stepCount-- > 0)
+            _rng.Next();
+    }
+
+    public TrackedRng(TrackedRngState state)
+    {
+        _rng = new System.Random(state.Seed);
+        _seed = state.Seed;
+        _stepCount = state.StepCount;
+        while (state.StepCount-- > 0)
+            _rng.Next();
+    }
+
+    public int Next()
+    {
+        _stepCount++;
+        return _rng.Next();
+    }
+
+    public int Next(int maxValue)
+    {
+        _stepCount++;
+        return _rng.Next(maxValue);
+    }
+
+    public int Next(int minValue, int maxValue)
+    {
+        _stepCount++;
+        return _rng.Next(minValue, maxValue);
+    }
+
+    /* private void AdvanceBySteps(int stepCount)
+    {
+        while (stepCount-- > 0)
+            _rng.Next();
+    } */
+}
+
+public class TrackedRngState
+{
+    public int StepCount = 0;
+    public int Seed;
+}