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Assets/Scripts/System/RandomPool/RandomNode.cs

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+using System;
+using UnityEngine;
+
+namespace Game.Data
+{
+    /// <summary>
+    /// 通用随机单元
+    /// </summary>
+    public class RandomNode<T> where T : class
+    {
+        public int key;      // 承载key
+        public T   value;    // 承载内容
+        public int count;    // 最大数量
+        public int weight;   // 随机权重
+        public int minRange; //至少抽取次数阈值
+        public int maxRange; //至多抽取次数阈值
+
+        public int curWeight; //当前的权重值，用于权重随机中的值比较。
+
+        public RandomNode(int key, T value, int count, int weight, int minRange, int maxRange)
+        {
+            this.key      = key;
+            this.value    = value;
+            this.count    = count;
+            this.weight   = weight;
+            this.minRange = minRange;
+            this.maxRange = maxRange;
+        }
+
+        public RandomNode(int key, T value, int count, int weight, string range)
+        {
+            this.key    = key;
+            this.value  = value;
+            this.count  = count;
+            this.weight = weight;
+            if (range.Equals("-1", StringComparison.OrdinalIgnoreCase))
+            {
+                this.minRange = -1;
+                this.maxRange = -1;
+            }
+            else
+            {
+                var rs = range.Split(',');
+                this.minRange = int.Parse(rs[0]);
+                this.maxRange = int.Parse(rs.Length == 2 ? rs[1] : rs[0]);
+            }
+        }
+
+        public bool IsValid(int nowCount)
+        {
+            return this.count == -1 || nowCount < this.count;
+        }
+    }
+}