initial commit

engine.rb

@@ -0,0 +1,107 @@
+#!/usr/bin/env ruby
+require 'debugger'
+
+class Player
+  attr_accessor :proxy, :health
+
+  def initialize
+    @health = 100
+    @level = 0
+    @strength = 20
+    @defense = 10
+    @experience = 0
+  end
+
+  def fight(opponent)
+    @health = @health - 2
+    if opponent.class != Player
+      raise "Nice try, but no cheating!"
+    else
+      opponent.health = opponent.health - 5
+    end
+  end
+
+  def stats
+    { health: @health, level: @level, strength: @strength, defense: @defense }
+  end
+end
+
+class PlayerProxy
+  def initialize(player)
+    @player = player
+  end
+
+  def method_missing(method, *args, &block)
+    if [:move, :fight, :to_s, :trade, :rest, :inspect, :stats].include? method
+      @player.send(method, *args, &block)
+    end
+  end
+end
+
+class Game
+  attr_reader :players, :proxies
+
+  class << self
+    attr_accessor :world
+  end
+
+  def initialize
+    @players = []
+    @proxies = []
+  end
+
+  def turn(rounds)
+    update_world
+    rounds.times do |i|
+      p "Round #{i}"
+      @players.each do |p|
+        m = p.proxy.move.first
+        o = p.proxy.move.last
+        object = @players.select {|p|p.proxy == o}.first
+        case m
+        when :fight
+          prep = "with"
+          p.fight(object)
+        when :travel
+          prep = "to"
+        else
+          prep = "with"
+        end
+        p "#{p} #{m}s #{prep} #{o}"
+      end
+    end
+    @players.each do |p|
+      puts "#{p}: #{p.stats}"
+    end
+  end
+
+  private
+
+  def update_world
+    self.class.world = { players: @proxies }
+  end
+end
+
+modules = []
+ObjectSpace.each_object(Module) {|m| modules << m.name }
+
+Dir["players/*.rb"].each do |file|
+  require File.join(File.dirname(__FILE__), file )
+end
+
+added_modules = []
+ObjectSpace.each_object(Module) {|m| added_modules << m.name unless modules.include?(m.name) }
+
+game = Game.new
+
+added_modules.each do |m|
+  constant = Object
+  player = Player.new
+  game.players << player
+  p = PlayerProxy.new(player)
+  p.extend constant.const_get(m)
+  player.proxy = p
+  game.proxies << p
+end
+
+game.turn(3)

players/random.rb

@@ -0,0 +1,9 @@
+module RandomPlayer
+  def move
+    [[:trade, 2], [:travel, 3]][rand(2)]
+  end
+
+  def to_s
+    "Crazy Carl"
+  end
+end

players/tough.rb

@@ -0,0 +1,10 @@
+module Tough
+  def move
+    opponent = Game.world[:players].select {|p| p != self.proxy }.first
+    [:fight, opponent]
+  end
+
+  def to_s
+    "Sir Samsonite"
+  end
+end