root/lang/csharp/DominionEngine/DominionEngine.CardInfo/Unit/Worth.cs @ 37465

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DominionEngine.CardInfo
{
    /// <summary>
    /// 価値
    /// </summary>
    public struct Worth : IComparable<Worth>
    {
        #region ビルダ

        /// <summary>
        /// 無価値
        /// </summary>
        public static readonly Worth None = new Worth(0x0000);

        /// <summary>
        /// コイン
        /// </summary>
        /// <param name="value">個数</param>
        /// <returns>価値</returns>
        public static Worth Coin(int value)
        {
            return new Worth(0x0001 * value);
        }

        /// <summary>
        /// ポーション
        /// </summary>
        /// <param name="value">個数</param>
        /// <returns>価値</returns>
        public static Worth Potion(int value)
        {
            return new Worth(0x0100 * value);
        }

        #endregion

        #region 値とコンストラクタ

        /// <summary>
        /// 値
        /// </summary>
        internal int value;

        /// <summary>
        /// 価値を作成
        /// </summary>
        /// <param name="value">値</param>
        internal Worth(int value)
        {
            this.value = value;
        }

        #endregion

        /// <summary>
        /// コストが支払えるかどうか
        /// </summary>
        /// <param name="cost">対象のコスト</param>
        /// <returns></returns>
        public bool IsAfford(Worth cost)
        {
            return CoinValue >= cost.CoinValue && PotionValue >= cost.PotionValue;
        }

        /// <summary>
        /// ToString
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return String.Format("{0}C {1}P", CoinValue, PotionValue);
        }

        #region 個別の価値

        /// <summary>
        /// コインの数
        /// </summary>
        /// <returns></returns>
        public int CoinValue { get { return value & 0x00FF; } }

        /// <summary>
        /// ポーションの数
        /// </summary>
        /// <returns></returns>
        public int PotionValue { get { return (value >> 8) & 0x00FF; } }

        #endregion

        #region 比較

        public int CompareTo(Worth other)
        {
            // コインが低い順
            if (CoinValue != other.CoinValue) return CoinValue.CompareTo(other.CoinValue);
            // ポーションが低い順
            if (PotionValue != other.PotionValue) return PotionValue.CompareTo(other.PotionValue);

            return 0;
        }

        #endregion

        #region 算術演算子

        public static Worth operator +(Worth cost1, Worth cost2)
        {
            return new Worth(cost1.value + cost2.value);
        }

        public static Worth operator -(Worth cost1, Worth cost2)
        {
            return new Worth(cost1.value - cost2.value);
        }

        #endregion
    }
}