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简单Elixir游戏服设计

2019-10-14 01:16

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 上。

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

图片 1图片 2

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

图片 3图片 4

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: {1, 9}, # 黑桃9
          s_ten: {1, 10}, # 黑桃10
          s_jack: {1, 11}

      }
  end  


  test "同花: 黑桃A,黑桃2, 黑桃3 ", cards do
      flush_cards = [cards.s_ace, cards.s_two, cards.s_three]
      assert SimplePoker.is_flush?(flush_cards)
  end

  test "非同花: 黑桃A, 红桃A, 黑桃2 ", cards do
      not_flush_cards = [cards.s_ace, cards.h_ace, cards.s_two]
      refute SimplePoker.is_flush?(not_flush_cards) 
  end

  test "三条: 普通", cards do
      normal_three = [cards.s_two, cards.h_two, cards.c_two]
      assert SimplePoker.is_three?(normal_three)
  end

  test "三条:1张A + 1对 ", cards do
    one_ace_and_one_pair = [cards.s_two, cards.h_two, cards.s_ace]
    assert SimplePoker.is_three?(one_ace_and_one_pair)
  end

  test "三条: 2张A + 1张2 ", cards do
    two_ace_and_one = [cards.s_ace, cards.h_ace, cards.s_two]    
    assert SimplePoker.is_three?(two_ace_and_one)
  end

  test "非三条: A, 2, 3", cards do
      not_three = [cards.s_ace, cards.s_two, cards.s_three]
      refute SimplePoker.is_three?(not_three)
  end

  test "顺子: 普通 黑桃2, 黑桃3, 红桃4", cards do
      normal_straight = [cards.s_two, cards.s_three, cards.h_four]
      assert SimplePoker.is_straight?(normal_straight)
  end

  test "顺子: 普通 黑桃A, 黑桃2, 红桃3", cards do
      one_ace_normal_straight = [cards.s_ace, cards.s_two, cards.h_three]
      assert SimplePoker.is_straight?(one_ace_normal_straight)
  end

  test "顺子: 普通 黑桃A, 黑桃2, 红桃4", cards do
      one_ace_normal_straight = [cards.s_ace, cards.s_two, cards.h_four]
      assert SimplePoker.is_straight?(one_ace_normal_straight)
  end

  test "非顺子: 黑桃A, 黑桃2, 红桃2", cards do
      not_straight = [cards.s_ace, cards.s_two, cards.h_two]
      refute SimplePoker.is_straight?(not_straight)
  end

  test "同花顺: 普通", cards do
      normal_flush_straight = [cards.s_two, cards.s_three, cards.s_four]
      assert SimplePoker.is_flush_straight?(normal_flush_straight)    
  end

  test "普通三张", cards do
      normal = [cards.s_two, cards.s_two, cards.h_three]
      assert {:normal, _} = SimplePoker.power(normal, false)
  end

  test "天公9点", cards do
      assert {:tian_gong, 9} = [cards.s_ace, cards.s_eight] |> SimplePoker.power(true) 
      assert {:tian_gong, 9} = [cards.s_four, cards.s_five] |> SimplePoker.power(true)
  end

  test "普通9点", cards do
      assert {:normal, 9} = [cards.s_ace, cards.s_eight] |> SimplePoker.power(false)
  end

  test "single_point", cards do
       assert  1 == cards.s_ace |> SimplePoker.single_point
       assert 10 == cards.s_ten |> SimplePoker.single_point 
       assert 10 == cards.s_jack |> SimplePoker.single_point
  end

  test "win?" do
      tian_gong_9 = {:tian_gong, 9}
      tian_gong_8 = {:tian_gong, 8}
      flush_straight = {:flush_straight, 0}
    three = {:three, 0}
    flush = {:flush, 0}
    straight = {:straight, 0}
    normal_9 = {:normal, 9}
    normal_8 = {:normal, 8}

    assert SimplePoker.win?(tian_gong_9, tian_gong_8) 
    refute SimplePoker.win?(tian_gong_9, tian_gong_9)
    refute SimplePoker.win?(tian_gong_8, tian_gong_9)
    assert SimplePoker.win?(tian_gong_9, flush_straight)
    refute SimplePoker.win?(flush_straight, tian_gong_9)

    refute SimplePoker.win?(flush_straight, flush_straight)
    assert SimplePoker.win?(flush_straight, three)
    refute SimplePoker.win?(three, flush_straight)

    assert SimplePoker.win?(three, flush)
    refute SimplePoker.win?(flush, three)

    assert SimplePoker.win?(flush, straight)
    refute SimplePoker.win?(straight, flush)

    assert SimplePoker.win?(straight, normal_9)
    refute SimplePoker.win?(normal_9, straight)

    assert SimplePoker.win?(normal_9, normal_8)
    refute SimplePoker.win?(normal_9, normal_9)
    refute SimplePoker.win?(normal_8, normal_9)
  end

end

simple_poker_test.exs

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