[PropSpawnTweaks] Initial builds

PropSpawnTweaks/ObjectPool.cs

@@ -0,0 +1,45 @@
+namespace NAK.PropSpawnTweaks;
+
+public class ObjectPool<T>
+{
+    public int Count { get; private set; }
+
+    private readonly Queue<T> _available;
+    private readonly Func<T> _createObjectFunc;
+
+    public ObjectPool(int numPreallocated = 0, Func<T> createObjectFunc = null)
+    {
+        _available = new Queue<T>();
+        _createObjectFunc = createObjectFunc;
+
+        if (numPreallocated > 0) Give(MakeObject());
+    }
+
+    public T Take()
+    {
+        T t;
+        if (_available.Count > 0)
+        {
+            t = _available.Dequeue();
+            Count--;
+        }
+        else
+        {
+            t = MakeObject();
+        }
+
+        return t;
+    }
+
+    public void Give(T t)
+    {
+        _available.Enqueue(t);
+        Count++;
+    }
+
+    private T MakeObject()
+    {
+        if (_createObjectFunc != null) return _createObjectFunc();
+        throw new InvalidOperationException("Cannot automatically create new objects without a factory method");
+    }
+}