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简单Elixir游戏服设计-玩法simple_poker(一)
2017-10-11 13:59:19 】 浏览:7471
Tags:简单 Elixir 游戏 设计 玩法 simple_poker

上回介绍了玩法,现在编写了玩法的简单建模。

做到现在感觉目前还没有使用umbrella的必要(也许以后会发现必要吧),model 应用完全可以合并到game_server。

代码还在https://github.com/rubyist1982/simple 上。

model 应用新增 simple_poker.ex , 代码不多,做了点简单注释,可以贴下

defmodule SimplePoker do
    @cards  for i <- 1..4, j<- 1..13, do: {i, j}
    @ten 10
    @ace 1
    @tian_gong [8,9]
    @ignore 0
    def init_cards, do: @cards
    # 洗牌
    def shuffle(cards), do: cards |> Enum.shuffle

    # 初始发牌
    def init_deal(cards, seat_num) do
        {cs, left} = cards |> Enum.split(seat_num * 2)
        {:ok, Enum.chunk_every(cs, 2), left}
    end

    # 补单张
    def deal([card| left]), do: {:ok, card, left} 

    def single_point({_, p}) when p < @ten, do: p
    def single_point(_), do: @ten
    
    def normal_power(cards) do
        sum = cards |> Enum.map( &single_point(&1) ) |> Enum.sum 
        rem(sum, @ten)
    end
    # 牌力计算, 需参考是否开牌
    def power([_a, _b] = cards, is_open) do
        p = normal_power(cards)
        cond do
            p in @tian_gong and is_open -> {:tian_gong, p}
            true ->{:normal, p}
        end
    end

    def power(cards, false) do
        cond do
            is_flush_straight?(cards) -> {:flush_straight, @ignore}
            is_three?(cards) -> {:three, @ignore}
            is_flush?(cards) -> {:flush, @ignore}
            is_straight?(cards) -> {:straight, @ignore}
            true -> {:normal, normal_power(cards)}
        end    
    end

    # a 是否赢 b
    # 都是天公,比点数
    def win?({:tian_gong, p1}, {:tian_gong, p2}), do: p1 > p2
    # 天公比其他都大
    def win?({:tian_gong, _}, _), do: true
    def win?(_, {:tian_gong, _}), do: false

    # 非普通牌,通牌型一样大
    def win?({same, _}, {same, _}) when same != :normal, do: false
    # 同花顺比余下都大, 以下类推
    def win?({:flush_straight, _}, _), do: true
    def win?(_, {:flush_straight, _}), do: false
    def win?({:three, _}, _), do: true
    def win?(_, {:three, _}), do: false
    def win?({:flush, _}, _), do: true
    def win?(_, {:flush, _}), do: false
    def win?({:straight, _}, _), do: true
    def win?(_, {:straight, _}), do: false 
    # 普通牌需要比较点数
    def win?({:normal, p1}, {:normal, p2}), do: p1 > p2

    # 赢多少倍
    def multiply({:tian_gong, _}), do: 1
    def multiply({:flush_straight, _}), do: 16
    def multiply({:three, _}), do: 8
    def multiply({:flush, _}), do: 4
    def multiply({:straight, _}), do: 2
    def multiply({:normal, _}), do: 1


    def is_flush?([{s, _}, {s, _}, {s, _}]), do: true
    def is_flush?(_), do: false

    def is_straight?([{_, p1}, {_, p2}, {_, p3}]) do
        [n1, n2, n3] = [p1, p2, p3] |> Enum.sort 
         cond do
             n1 + 1 == n2 and n2 + 1 == n3 -> true
             n1 == @ace and n2 + 1 == n3 -> true
             n1 == @ace and n2 + 2  == n3 -> true    
             true -> false
         end    
    end

    def is_three?([{_, p}, {_, p}, {_, p}]), do: true
    def is_three?([{_, p1}, {_, p2}, {_, p3}]) do
        case [p1, p2, p3] |> Enum.sort do
            [@ace, @ace, _] -> true
            [@ace, n, n] -> true
            _other -> false
        end
    end

    def is_flush_straight?(cards), do: is_flush?(cards) and is_straight?(cards)

end

# SimplePoker.init_cards |> SimplePoker.shuffle |> IO.inspect
# SimplePoker.init_cards |> SimplePoker.init_deal(2) |> IO.inspect
simple_poker.ex

测试代码 simple_poker_test.exs

defmodule SimplePokerTest do
  use ExUnit.Case
  doctest SimplePoker

  setup do
      %{
          s_ace: {1,1},   # 黑桃A
          h_ace:  {2, 1}, # 红桃A,
          c_ace: {3, 1},  # 梅花A
          s_two: {1, 2},  # 黑桃2
          h_two: {2, 2},  # 红桃2
          c_two: {3, 2},  # 梅花2
          s_three: {1, 3},  # 黑桃3
          h_three: {2, 3}, # 红桃3
          s_four: {1, 4},  # 黑桃4
          h_four: {2, 4},  # 红桃4
          s_five: {1, 5}, # 黑桃5
          s_eight: {1, 8}, # 黑桃8
          s_nine:
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