hengyang_client/lua_probject/extend_project/extend/majiang/hongzhong/CardCheck.lua

-- 检测牌是否存在
local function checkCard(eventCard,cardList,num)
	num = num == nil and 1 or num
	local result = 0
	for i = 1,#cardList do
		if (cardList[i] == eventCard) then
			result = result + 1
			if(result ==num) then
				return true
			end
		end
	end
	return false
end

-- 移除指定数量的牌
local function removeCard(cardList, card,count) 
	for i=1,count do
		list_remove(cardList,card)
	end
end

local function checkCardAndRomve(eventCard,cardList,num)
	if(checkCard(eventCard,cardList,num)) then
		removeCard(cardList,eventCard,num)
		return true
	end
	return false
end

-- 获取列表中牌数量
local function cardNum(eventCard,cardList) 
	local result = 0
	for i=1,#cardList do
		local card = cardList[i]
		if (card == eventCard) then
			result = result + 1
		end
	end
	return result
end

local zhongid	= 412


local M = {
	pair_count = 0,
	cardList = nil,
	stack = nil,
	zhong_count = 0,
	qidui = false,
	hongzhong_count = 0,
	qidui_pari_count = 0
}


function M:push(cardGroup) 
	self.stack[#self.stack+1] = cardGroup
end

function M:rollBack()
	local cardGroup = self.stack[#self.stack]
	table.remove(self.stack,#self.stack)
	for _,card in ipairs(cardGroup) do
		if (card == zhongid) then
			self.zhong_count = self.zhong_count +1
		else
			self.cardList[#self.cardList + 1] = card
		end
	end
	table.sort(self.cardList)
end

function M:tryShunzi(card) 
	if (card < 400 and card % 100 > 7)  then
		return false
	end
	if (checkCard(card + 1, self.cardList) and checkCard(card + 2, self.cardList))  then
		removeCard(self.cardList, card, 1)
		removeCard(self.cardList, card + 1, 1)
		removeCard(self.cardList, card + 2, 1)
		local cardGroup = {card,card+1,card+2}
		self:push(cardGroup)
		return true
	end
	return false
end

function M:tryKezi(card) 
	if (checkCardAndRomve(card, self.cardList, 3)) then
		local cardGroup = {card,card,card}
		self:push(cardGroup)
		return true
	end
	return false
end

function M:tryPair(card) 
	if (self.pair_count > 0) then
		return false
	end
	if (checkCardAndRomve(card, self.cardList, 2)) then
		local cardGroup = {card,card}
		self:push(cardGroup)
		self.pair_count = 1
		return true
	end
	return false
end


function M:tryKezi1Zhong(card) 
	if (self.zhong_count >= 1 and checkCardAndRomve(card, self.cardList,2)) then
		local cardGroup = {card,card,zhongid}
		self:push(cardGroup)
		self.zhong_count = self.zhong_count -1
		return true
	end
	return false
end	

function M:tryKezi2Zhong(card)
	if (self.zhong_count >= 2 and checkCardAndRomve(card, self.cardList,1)) then
		local cardGroup = {card,zhongid,zhongid}
		self:push(cardGroup)
		self.zhong_count = self.zhong_count -2
		return true
	end
	return false
end

function M:tryShunzi1Zhong(card) 
	if (card % 100 > 8) then
		return false
	end

	if (self.zhong_count < 1) then
		return false
	end

	if (checkCard(card + 1, self.cardList)) then
		removeCard(self.cardList, card, 1)
		removeCard(self.cardList, card + 1, 1)
		self.zhong_count = self.zhong_count -1
		local cardGroup = {card,card+1,zhongid}
		self:push(cardGroup)
		return true
	end

	if (checkCard(card + 2, self.cardList) and ((card + 1) % 100 ~= 0)) then
		removeCard(self.cardList, card, 1)
		removeCard(self.cardList, card + 2, 1)
		self.zhong_count = self.zhong_count -1
		local cardGroup = {card,zhongid,card+2}
		self:push(cardGroup)
		return true
	end
	return false
end

function M:tryPair1Zhong(card) 
	if (self.pair_count > 0) then
		return false
	end
	if (self.zhong_count < 1) then
		return false
	end
	removeCard(self.cardList, card, 1)
	local cardGroup = {card,zhongid}
	self:push(cardGroup)
	self.zhong_count = self.zhong_count -1
	self.pair_count = 1
	return true
end

function M:tryPair2Zhong() 
	if (self.pair_count > 0) then
		return false
	end
	if (self.zhong_count < 2) then
		return false
	end
	local cardGroup = {zhongid,zhongid}
	self:push(cardGroup)
	self.zhong_count = self.zhong_count -2
	self.pair_count = 1
	return true
end

function M:tryWin() 
	if (self.zhong_count == 4 and not self.eight_laizi) or (self.zhong_count == 8 and self.eight_laizi) then
		return true
	end
	if (#self.cardList == 0 and self.pair_count == 1) then
		return true
	end
	if (#self.cardList == 0 and self.pair_count == 0) then
		return self:tryPair2Zhong()
	end

	if (#self.cardList == 0) then
		return false
	end

	local activeCard = self.cardList[1]
	if (self:tryPair(activeCard)) then
		if (self:tryWin()) then
			return true
		end
		self.pair_count = 0
		self:rollBack()
	end

	if (self:tryKezi(activeCard)) then
		if (self:tryWin()) then
			return true
		end
		self:rollBack()
	end

	if (self:tryShunzi(activeCard)) then
		if (self:tryWin()) then
			return true
		end
		self:rollBack()
	end

	if (self:tryKezi1Zhong(activeCard)) then
		if (self:tryWin()) then
			return true
		end
		self:rollBack()
	end

	if (self:tryKezi2Zhong(activeCard)) then

		if (self:tryWin()) then
			return true
		end
		self:rollBack()
	end

	if (self:tryShunzi1Zhong(activeCard)) then
		if (self:tryWin()) then
			return true
		end
		self:rollBack()
	end

	if (self:tryPair1Zhong(activeCard)) then
		if (self:tryWin()) then
			return true
		end
		self.pair_count = 0
		self:rollBack()
	end
	return false
end

function M:checkQidui() 
	if (not self.qidui) then
		return false
	end
	if ((#self.cardList + self.zhong_count) ~= 14) then
		return false
	end
	local cardList = membe_clone(self.cardList)
	self.qidui_pari_count = 0
	self.hongzhong_count = self.zhong_count
	return self:isQdPari(cardList)
end

function M:isQdPari(cardList) 
	if(self.qidui_pari_count == 7) then
		return true
	end
	if (#cardList== 0) then
		return true
	end
	local card = cardList[1]
	if (cardNum(card, cardList) >= 2) then
		removeCard(cardList, card, 2)
		self.qidui_pari_count = self.qidui_pari_count +1
		if (self:isQdPari(cardList)) then
			return true
		end
	end

	if (self.hongzhong_count > 0) then
		removeCard(cardList, card, 1)
		self.hongzhong_count = self.hongzhong_count - 1
		self.qidui_pari_count = self.qidui_pari_count +1
		if (self:isQdPari(cardList)) then
			return true
		end
	end
	return false
end

local function init(self,cardInhand,addCard,isZhong,qidui,eightLaizi)
	self.stack = {}
	self.pair_count = 0
	self.cardList = membe_clone(cardInhand)
	self.qidui = qidui
	self.eight_laizi = eightLaizi
	self.cardList[#self.cardList+1] = addCard
	if (isZhong) then
		self.zhong_count = cardNum(zhongid, self.cardList)
		removeCard(self.cardList, zhongid, self.zhong_count)
	end
	table.sort(self.cardList)
	return self:checkQidui() or self:tryWin()
end

function M.tingPai(cardInhand,isZhong,qidui,eightLaizi)
	local self = setmetatable({}, {__index = M})
	local tingList = {}
	if not cardInhand or #cardInhand == 0 then
		return tingList
	end
	for k=100,300,100 do
		for i=1,9 do
			local tem = k + i
			local result = init(self,cardInhand,tem,isZhong,qidui,eightLaizi)
			if(result) then
				tingList[#tingList + 1] =  tem
			end
		end
	end
	return tingList
end

return M