//マップ情報クラス
//2002/06/20 18:12 by Tsukasa Jitoh
function TMapInf()
{
	this.maps = new Array();
	this.currentIdx = -1;
	this.MapRollFlag = true;

	//マップ追加
	this.addMap = TMapInf_addMap;
	function TMapInf_addMap(info, table, setsumon, successPtn, kaito)
	{
		if(this.maps.length == 0)
			this.moveFirst();
		return this.maps[this.maps.length] =
			new TMapInfData(info, table, setsumon, successPtn, kaito);
	}
	//指定マップ取得
	this.getMap = TMapInf_getMap;
	function TMapInf_getMap(index)
	{
		if(index === null)
			return this.getMap(this.currentIdx);
		else
			return (index < 0 || index >= this.maps.length)?
				null: this.maps[index];
	}
	//次のマップ取得
	this.getNext = TMapInf_getNext;
	function TMapInf_getNext()
	{
		return this.getMap(this.moveNext());
	}
	//前のマップ取得
	this.getPrev = TMapInf_getPrev;
	function TMapInf_getPrev()
	{
		return this.getMap(this.movePrev());
	}
	//マップロール指定
	this.setMapRoll = TMapInf_setMapRoll;
	function TMapInf_setMapRoll(flag)
	{
		this.MapRollFlag = flag;
	}
	//最初のマップへ移動
	this.moveFirst = TMapInf_moveFirst;
	function TMapInf_moveFirst()
	{
		return this.currentIdx = (this.maps.length > 0? 0: -1);
	}
	//最後のマップへ移動
	this.moveLast = TMapInf_moveLast;
	function TMapInf_moveLast()
	{
		return this.currentIdx = this.maps.length - 1;
	}
	//次のマップへ移動
	this.moveNext = TMapInf_moveNext;
	function TMapInf_moveNext()
	{
		this.currentIdx++;
		if(this.currentIdx >= this.maps.length)
		{
			if(this.MapRollFlag)
				this.moveFirst();
			else
				this.currentIdx = this.maps.length;
		}
		return (this.isEOF()? -1: this.currentIdx);
	}
	//前のマップへ移動
	this.movePrev = TMapInf_movePrev;
	function TMapInf_movePrev()
	{
		this.currentIdx--;
		if(this.currentIdx < 0)
		{
			if(this.MapRollFlag)
				this.moveLast();
			else
				this.currentIdx = -1;
		}
		return (this.isEOF()? -1: this.currentIdx);
	}
	//EOF判定
	this.isEOF = TMapInf_isEOF;
	function TMapInf_isEOF()
	{
		return (this.currentIdx < 0 || this.currentIdx >= this.maps.length);
	}
	//マップ番号取得
	this.getMapNo = TMapInf_getMapNo;
	function TMapInf_getMapNo()
	{
		return this.currentIdx;
	}

	//マップレコード
	function TMapInfData(info, table, setsumon, successPtn, kaito)
	{
		//バージョン・作者情報(文字列)
		this.info = info;
		//初期マップデータ(2次元配列)
		// 駒 = 0:巣, 1:水, 2:餌, 10:竜1, 20:竜2, 30:竜3, 40:竜4, 50:竜5, 60:竜6
		this.m = table;
		//設問(string)
		this.setsumon = setsumon;
		//終了条件
		this.successPtn = successPtn;
		//回答例(2次元配列)
		// (駒, y, x)
		this.kaito = kaito;
	}
}