using System.Collections.Generic;
using UnityEngine;

public class IDFactory
{
    private uint m_idSeed = 0;

    private Stack<uint> m_Pool;

    public IDFactory(uint seed = 0)
    {
        m_Pool = new Stack<uint>();
        m_idSeed = seed;
    }

    public uint Request()
    {
        uint _idSeed = 0;

        if (m_Pool.Count > 0)
        {
            _idSeed = m_Pool.Pop();
        }
        else
        {
            _idSeed = ++m_idSeed;
        }

        return _idSeed;
    }

    public void Release(uint id)
    {
        if (m_Pool.Contains(id))
        {
            DebugEx.LogWarning("释放ID: {0} 的时候检测池中已存在此id");
            return;
        }

        m_Pool.Push(id);
    }

    public void Clear()
    {
        m_idSeed = 0;
        m_Pool.Clear();
    }

}