39 lines
972 B
Elixir
39 lines
972 B
Elixir
defmodule ZombieSurvivor.Game do
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alias ZombieSurvivor.{Game, Survivor}
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@type t :: %__MODULE__{survivors: %{String.t() => Survivor.t()}}
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defstruct survivors: %{}
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@spec new() :: Game.t()
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def new(), do: %Game{}
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@spec add_survivor(Game.t(), Survivor.t()) :: Game.t()
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def add_survivor(game, survivor) do
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name = survivor.name
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if Map.has_key?(game, name) do
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game
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else
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%{game | survivors: Map.put(game.survivors, name, survivor)}
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end
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end
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@spec ended?(Game.t()) :: boolean
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def ended?(%Game{survivors: survivors}) when map_size(survivors) == 0, do: false
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def ended?(game) do
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Enum.all?(game.survivors, fn {_, survivor} ->
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Survivor.dead?(survivor)
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end)
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end
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@spec level(Game.t()) :: ZombieSurvivor.level()
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def level(game) do
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game.survivors
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|> Enum.reject(fn {_, s} -> Survivor.dead?(s) end)
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|> Enum.reduce(0, fn {_, s}, acc -> max(s.experience, acc) end)
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|> ZombieSurvivor.level()
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end
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end
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