public static bool IsMetallic(this Games type)
{
return(type == Games.Metallic);
}
/// <summary>
/// 找炸弹
/// </summary>
/// <param name="hand_cards"></param>
/// <param name="result"></param>
/// <returns></returns>
private static List <CardEnum> FindBomb(Games game_type, List <CardEnum> hand_cards, CombineResult result)
{
var hand_cards_clone = hand_cards.Clone();
List <CardEnum> jokers = new List <CardEnum>();
if (game_type.IsMetallic())
{
jokers = hand_cards_clone.FindAll(c => c == CardEnum.LittleJoker || c == CardEnum.ElderJoker);
hand_cards_clone.RemoveAll(c => c == CardEnum.LittleJoker || c == CardEnum.ElderJoker);
}
var group_cards = hand_cards_clone.GroupBy(c => c).OrderBy(c => c.Count());
foreach (var group_card in group_cards)
{
if (group_card.Count() >= 4)
{
if (result.combine == Combine.Bomb)
{
//符合条件的炸弹
if (group_card.Count() > result.card_num || (group_card.Count() == result.card_num && group_card.Key > result.min_card))
{
//符合条件炸弹
return(group_card.ToList());
}
}
else
{
//炸弹就行
return(group_card.ToList());
}
}
}
if (game_type.IsMetallic())
{
foreach (var group_card in group_cards)
{
if (group_card.Count() + jokers.Count() >= 4)
{
if (result.combine == Combine.Bomb)
{
if (group_card.Count() + jokers.Count() >= result.card_num && group_card.Key > result.min_card)
{
//同星级炸弹，牌比较大
var cards = group_card.ToList();
cards.AddRange(jokers.GetRange(0, result.card_num - group_card.Count()));
return(cards);
}
else if (group_card.Count() + jokers.Count() > result.card_num)
{
//升一个星级
var cards = group_card.ToList();
cards.AddRange(jokers.GetRange(0, result.card_num - group_card.Count() + 1));
return(cards);
}
}
else
{
//炸弹就行
var cards = group_card.ToList();
cards.AddRange(jokers.GetRange(0, 4 - group_card.Count()));
return(cards);
}
}
}
}
return(null);
}
/// <summary>
/// 连三张
/// </summary>
/// <param name="cards"></param>
/// <param name="result"></param>
/// <returns></returns>
public static bool CheckLineFullHouse(Games game_type, List <CardEnum> cards, out CombineResult result)
{
result = null;
var cards_clone = cards.Clone();
if (cards_clone.Count >= 9 && cards_clone.Count % 3 == 0)
{
CardEnum min_card = cards_clone[0];
byte card_count = (byte)cards_clone.Count;
int joker_count = 0;
if (game_type.IsMetallic())
{
joker_count = cards_clone.RemoveAll(c => Jokers.Contains(c));
}
int count = cards_clone.Count;
CardEnum next_card = cards_clone[0];
for (int i = 0; i < cards_clone.Count; i += 3)
{
if (i < count && cards_clone[i] == next_card)
{
if (i + 1 < count && cards_clone[i + 1] == next_card)
{
if (i + 2 < count && cards_clone[i + 2] == next_card)
{
next_card = NextCardNumber(next_card);
}
else if (joker_count >= 1)
{
joker_count -= 1;
i -= 1;
next_card = NextCardNumber(next_card);
}
else
{
return(false);
}
}
else if (joker_count >= 2)
{
joker_count -= 2;
i -= 2;
next_card = NextCardNumber(next_card);
}
else
{
return(false);
}
}
else if (joker_count >= 3)
{
joker_count -= 3;
i -= 3;
next_card = NextCardNumber(next_card);
}
else
{
return(false);
}
}
result = new CombineResult(Combine.LineFullHouse, 0, min_card, card_count);
return(true);
}
return(false);
}
/// <summary>
/// 找适合的组合
/// </summary>
/// <param name="hand_cards"></param>
/// <param name="result"></param>
/// <returns></returns>
private static List <CardEnum> FindCombine(Games game_type, List <CardEnum> hand_cards, CombineResult result)
{
var hand_cards_clone = hand_cards.Clone();
List <CardEnum> useful_cards = new List <CardEnum>();
List <CardEnum> jokers = new List <CardEnum>();
if (game_type.IsMetallic())
{
jokers = hand_cards.FindAll(c => c == CardEnum.LittleJoker || c == CardEnum.ElderJoker);
hand_cards_clone.RemoveAll(c => c == CardEnum.LittleJoker || c == CardEnum.ElderJoker);
}
foreach (var item in hand_cards_clone.FindAll(c => c > result.min_card).GroupBy(c => c))
{
switch (result.combine)
{
case Combine.Bridge: //一张
if (item.Count() == 1)
{
useful_cards.AddRange(item);
}
break;
case Combine.OnePairs: //一对
if (item.Count() == 2)
{
useful_cards.AddRange(item);
}
break;
case Combine.LinePairs: //连对
if (item.Count() >= 2)
{
useful_cards.AddRange(item);
}
break;
case Combine.FullHouse: //三张
if (item.Count() >= 3)
{
useful_cards.AddRange(item);
}
break;
case Combine.LineFullHouse: //连三张
if (item.Count() >= 3)
{
useful_cards.AddRange(item);
}
break;
case Combine.Straight: //顺子
if (item.Count() == 1)
{
useful_cards.AddRange(item);
}
break;
}
}
//第一遍，去除大小王，选最佳匹配方式
if (useful_cards.Count < result.card_num)
{
//牌数量不够的情况下，直接加上大小王做匹配
useful_cards.AddRange(jokers);
useful_cards = useful_cards.FindAll(c => c > result.min_card);
if (useful_cards.Count < result.card_num)
{
goto ReCheck;
}
}
var cards = CheckCombine(game_type, useful_cards, result);
if (cards != null)
{
return(cards);
}
//第二遍，所有符合条件牌都加上
ReCheck:
useful_cards = hand_cards.FindAll(c => c > result.min_card);
if (useful_cards.Count < result.card_num)
{
return(null);
}
return(CheckCombine(game_type, useful_cards, result));
}