elixir_zombie_survivor/lib/zombie_survivor/game.ex

31 lines
722 B
Elixir

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