using System;

public class ObjectArray : System.Object
{

    private System.Object[] objectArray = null;
    private int nElementLength = 0;

    /// <summary>构造</summary>
    public ObjectArray(int objectLength)
    {
        objectArray = new System.Object[objectLength];
    }

    /// <summary>实际长度</summary>
    public int Length
    {
        get { return objectArray.Length; }
    }

    /// <summary>元素长度</summary>
    public int ElementLength
    {
        get { return nElementLength; }
    }

    /// <summary>添加</summary>
    public void Add(System.Object obj)
    {
        if (obj == null)
        {
            obj = "";
            //return;
        }

        if (nElementLength >= Length)
        {
            CDebug.LogError("数组索引越界" + obj.ToString());
            return;
        }

        objectArray[nElementLength] = obj;
        nElementLength++;
    }

    /// <summary>添加</summary>
    public void AddRange(ObjectArray objectArray)
    {
        for (int i = 0; i < objectArray.ElementLength; i++)
        {
            this.Add(objectArray.Get(i));
        }
    }

    /// <summary>反响添加</summary>
    public void AddReversalRange(ObjectArray objectArray)
    {
        for (int i = objectArray.ElementLength-1; i >= 0; i--)
        {
            this.Add(objectArray.Get(i));
        }
    }

    public System.Object this[int index]
    {
        set
        {
            if (index >= objectArray.Length)
                return;

            objectArray[index] = value;

            if (index > ElementLength - 1)
            {
                nElementLength = index + 1;
            }
        }

        get
        {
            return objectArray[index];
        }
    }

    /// <summary>获得</summary>
    public System.Object Get(int index)
    {
        return objectArray[index];
    }

    /// <summary>查找一个静态数据对象</summary>
    public T Get<T>(int index)
    {
        return (T)objectArray[index];
    }

    /// <summary>根据索引修改一个值</summary>
    public System.Object Set(int index, System.Object obj)
    {
        if (index >= objectArray.Length)
            return null;

        objectArray[index] = obj;

        if (index > ElementLength - 1)
        {
            nElementLength = index + 1;
        }
        return obj;
    }

    /// <summary>删除</summary>
    public System.Object Del(System.Object obj)
    {
        System.Object returnObj = null;
        for (int i = 0; i < nElementLength; i++)
        {
            if (objectArray[i].Equals(obj))
            {
                returnObj = objectArray[i];
                objectArray[i] = null;
                FrontElement(i);
                break;
            }
        }
        return returnObj;
    }

    /// <summary>插入</summary>
    public void Insert(System.Object obj, int index)
    {
        AafterElement(index);
        objectArray[index] = obj;
    }

    /// <summary>删除最后一个</summary>
    public System.Object Pop()
    {
        System.Object result = objectArray[ElementLength - 1];
        Del(result);
        return result;
    }

    /// <summary>清空所有</summary>
    public void SetEmpty()
    {
        for (int i = 0; i < nElementLength; i++)
        {
            objectArray[i] = null;
        }
        nElementLength = 0;
    }

    /// <summary>指定对象的索引</summary>
    public int IndexOf(System.Object obj)
    {
        for (int i = 0; i < nElementLength; i++)
        {
            if ((objectArray[i] != null) && objectArray[i].Equals(obj))
            {
                return i;
            }
        }
        return -1;
    }

    /// <summary>前移元素</summary>
    public void FrontElement(int index)
    {
        if (index >= 0 && index < nElementLength)
        {
            for (int i = index; i < nElementLength - 1; i++)
            {
                objectArray[i] = objectArray[i + 1];
            }
            objectArray[nElementLength - 1] = null;
            nElementLength--;
        }
    }

    /// <summary>后移元素</summary>
    public void AafterElement(int index)
    {
        objectArray[nElementLength] = objectArray[nElementLength - 1];
        System.Object objCur = objectArray[index];
        System.Object objNext = null;
        for (int i = index; i < nElementLength; i++)
        {
            objNext = objectArray[i + 1];
            objectArray[i + 1] = objCur;
            objCur = objNext;
        }
        nElementLength++;
    }
}