Cleaning up and writing tests

.gitignore

@@ -3,3 +3,4 @@
 **/.yard*
 **/logs
 **/*tmp*
+**/coverage

game/.rspec

@@ -0,0 +1 @@
+--require spec_helper

game/Rakefile

@@ -21,7 +21,15 @@ task :serve do
 end
 
 
-desc 'Create the YARD documentation for the project'
-task :doc do
-  res = sh 'yard doc *.rb'
+namespace :doc do
+  desc 'Create the YARD documentation for the project'
+  task :yard do
+    res = sh 'yard doc *.rb'
+  end
+
+  desc 'Create code coverage'
+  task :coverage do
+    ENV['COVERAGE'] = 'true'
+    Rake::Task[:test].invoke
+  end
 end

game/game.rb

@@ -1,8 +1,14 @@
 # Nathan Hinton 1 Oct 2025
 
+# This file basiacally creates a universe and runs a simulated game in it.
 
-# Mostly for testing right now:
 require './universe'
+require './player'
 
-universe = Universe.new('test universe')
-universe.print_universe(simple: true)
+universe = Universe.new('test universe', universe_size: 3)
+universe.create_universe
+universe.print_universe()
+planets = universe.planets
+
+player = Player.new('test player')
+puts player.name

game/planet.rb

@@ -5,11 +5,28 @@ PLANET_PRODUCTION_RESOURCES = [:ships]
 # This class holds information about a planet.
 class Planet
   attr_reader :owner
+
   # Create a planet
+  #
+  # @param random [Random] The random generator for the game (ensures seeds can be duplicated)
   def initialize(random)
     @random = random
     @prod_rate = @random.rand
     @resource = PLANET_PRODUCTION_RESOURCES[(@random.rand * PLANET_PRODUCTION_RESOURCES.length).floor]
     @owner = nil
   end
+
+  # Change the ownership of a planet. Should check for things like the planet
+  # has no defenders left and other fun stuff (later)
+  #
+  # @param owner [Player] The owner of the planet
+  # @return [Boolean] If the operation was successful or not
+  def change_owner(owner)
+    # For now only unclaimed planets can be owned
+    if @owner.nil?
+      @owner = owner
+      return true
+    end
+    return false
+  end
 end

game/player.rb

@@ -0,0 +1,14 @@
+# Nathan Hinton 2 Oct 2025
+
+
+# Class for the player. For now does not do much.
+class Player
+  attr_reader :name
+
+  # initializes with just the player name.
+  #
+  # @param name [String] The name of the player
+  def initialize(name)
+    @name = name
+  end
+end

game/position.rb

@@ -16,7 +16,6 @@ class Position
       # initialize with a, b, c position
       raise NotImplementedError.new('(a, b, c) positioning not implimented!')
     else
-      require 'byebug';debugger
       raise ArgumentError.new('Creation of a position requires two or three integer args for a position.')
     end
   end
@@ -35,7 +34,14 @@ class Position
     return [x_pos, y_pos]
   end
 
+  # Returns the string formatted version
+  #
+  # @return [String] Returns a string representing the point.
   def to_s
     return "(#{@x_pos}, #{y_pos})"
   end
+
+  def ==(other)
+    return other.x_pos == @x_pos && other.y_pos == @y_pos
+  end
 end

game/spec/api_spec.rb

@@ -0,0 +1,2 @@
+# frozen_string_literal: true
+# Nathan Hinton 2 Oct 2025

game/spec/planet_spec.rb

@@ -0,0 +1,44 @@
+# Nathan Hinton 2 Oct 2025
+
+require './planet'
+
+require './player'
+
+RSpec.describe Planet do
+  let(:seed) { 12345 }
+  let(:random) { Random.new(seed) }
+  let(:planet) { Planet.new(random) }
+  let(:player_1) {Player.new('tester 01') }
+  let(:player_2) {Player.new('tester 02') }
+
+  describe '#initialize' do
+    it 'stores the random off' do
+      expect(planet.instance_variable_get(:@random)).to eq(random)
+    end
+
+    it 'creates a production rate' do
+      expect(planet.instance_variable_get(:@prod_rate)).to eq(Random.new(seed).rand)
+    end
+
+    it 'sets a resource' do
+      expect(planet.instance_variable_get(:@resource)).to eq(PLANET_PRODUCTION_RESOURCES[(Random.new(seed).rand * PLANET_PRODUCTION_RESOURCES.length).floor])
+    end
+
+    it 'has a nil owner' do
+      expect(planet.instance_variable_get(:@owner)).to eq nil
+    end
+  end # describe #initialize
+
+  describe '#change_owner' do
+    it 'allows an ownership change when the current owner is nil' do
+      expect(planet.change_owner(player_1)).to eq(true)
+      expect(planet.instance_variable_get(:@owner)).to eq player_1
+    end
+
+    it 'does not change when already owned' do
+      planet.change_owner(player_2)
+      expect(planet.change_owner(player_1)).to eq(false)
+      expect(planet.instance_variable_get(:@owner)).to eq player_2
+    end
+  end
+end

game/spec/position_spec.rb

@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+require './position'
+
+RSpec.describe Position do
+  let(:even_pair) { [4, 6] }          # 4+6 = 10 → even
+  let(:odd_pair)  { [3, 4] }          # 3+4 = 7 → odd
+
+  describe 'initialisation' do
+    context 'with two arguments' do
+      it 'stores the coordinates when the sum is even' do
+        pos = Position.new(*even_pair)
+        expect(pos.x_pos).to eq(even_pair[0])
+        expect(pos.y_pos).to eq(even_pair[1])
+      end
+
+      it 'raises ArgumentError when the sum is odd' do
+        expect { Position.new(*odd_pair) }
+          .to raise_error(ArgumentError, /must sum to an even number/)
+      end
+    end
+
+    context 'with three arguments' do
+      it 'raises NotImplementedError' do
+        expect { Position.new(1, 2, 3) }
+          .to raise_error(NotImplementedError, /positioning not implimented/)
+      end
+    end
+
+    context 'with an unsupported number of arguments' do
+      it 'raises ArgumentError when no arguments are supplied' do
+        expect { Position.new }
+          .to raise_error(ArgumentError, /requires two or three integer args/)
+      end
+
+      it 'raises ArgumentError when too many arguments are supplied' do
+        expect { Position.new(1, 2, 3, 4) }
+          .to raise_error(ArgumentError, /requires two or three integer args/)
+      end
+    end
+  end
+
+  describe '#two_d_cartesian' do
+    it 'returns the original (x, y) pair' do
+      pos = Position.new(*even_pair)
+      expect(pos.two_d_cartesian).to eq(even_pair)
+    end
+  end
+
+  describe '#two_d_hexagonal' do
+    it 'returns an array of nil values for a, b, c' do
+      pos = Position.new(*even_pair)
+      expect(pos.two_d_hexagonal).to eq([nil, nil, nil])
+    end
+  end
+
+  describe '#to_s' do
+    it 'puts out the coordinates' do
+      expect(Position.new(*even_pair).to_s).to eq('(4, 6)')
+    end
+  end
+
+  describe '#==' do
+    it 'returns false when the positions differ' do
+      expect(Position.new(*even_pair) == Position.new(6, 8)).to eq(false)
+    end
+
+    it 'returns true when the positions are the same' do
+      expect(Position.new(*even_pair) == Position.new(4, 6)).to eq(true)
+    end
+  end
+end

game/spec/ship_spec.rb

@@ -1,17 +1,13 @@
-# Nathan Hinton 2 Oct 2025
+# frozen_string_literal: true
 
-# Test file for the ship object
-
-require './ship'
+require_relative '../ship'          # <-- adjust to the actual path of ship.rb
 
 RSpec.describe Ship do
-  let(:initial_x) { 0 }
-  let(:initial_y) { 0 }
-  subject(:ship) { Ship.new(initial_x, initial_y) }
+  let(:ship) { Ship.new(0, 0) }
 
   describe '#initialize' do
     it 'stores the given position' do
-      expect(ship.instance_variable_get(:@position)).to eq([initial_x, initial_y])
+      expect(ship.instance_variable_get(:@position)).to eq([0, 0])
     end
 
     it 'sets the speed to 0.1' do
@@ -24,23 +20,22 @@ RSpec.describe Ship do
   end
 
   describe '#tick' do
-    it 'does nothing (but does not raise an exception)' do
+    it 'does nothing (no exception) when called' do
       expect { ship.tick }.not_to raise_error
     end
   end
 
   describe '#move' do
-    context 'when coordinates are valid' do
-      it 'accepts adjacent moves whose sum is even' do
-        # adjacent positions that satisfy the rules
-        expect { ship.move(1, 1) }.not_to raise_error   # sum = 2
-        expect { ship.move(2, 0) }.not_to raise_error   # sum = 2
-        expect { ship.move(0, 2) }.not_to raise_error   # sum = 2
-        expect { ship.move(-1, -1) }.not_to raise_error # sum = -2
+    context 'when coordinates are valid (even sum, adjacent)' do
+      it 'accepts positions that satisfy the rules' do
+        expect { ship.move(1, 1) }.not_to raise_error   # sum 2
+        expect { ship.move(2, 0) }.not_to raise_error   # sum 2
+        expect { ship.move(0, 2) }.not_to raise_error   # sum 2
+        expect { ship.move(-1, -1) }.not_to raise_error # sum -2
       end
     end
 
-    context 'when the x + y sum is odd' do
+    context 'when the sum is odd' do
       it 'raises an ArgumentError' do
         expect { ship.move(0, 1) }.to raise_error(
           ArgumentError,
@@ -51,7 +46,6 @@ RSpec.describe Ship do
 
     context 'when the target is not adjacent' do
       it 'raises an ArgumentError' do
-        # distance > 1: difference of sums != 2
         expect { ship.move(3, 3) }.to raise_error(
           ArgumentError,
           /must be to an adjcent space/
@@ -65,23 +59,22 @@ RSpec.describe Ship do
   end
 
   describe '#move_direction' do
-    it 'accepts direction values between 0 and 5' do
-      (0..5).each do |direction|
-        expect { ship.move_direction(direction) }.not_to raise_error
-        # verify the @moving vector matches the spec
-        expected = case direction
-                   when 0 then [2, 0]
-                   when 1 then [1, 1]
-                   when 2 then [-1, 1]
-                   when 3 then [-2, 0]
-                   when 4 then [-1, -1]
-                   when 5 then [1, -1]
-                   end
+    it 'accepts direction values 0..5 and sets @moving correctly' do
+      mapping = {
+        0 => [2, 0],
+        1 => [1, 1],
+        2 => [-1, 1],
+        3 => [-2, 0],
+        4 => [-1, -1],
+        5 => [1, -1]
+      }
+      mapping.each do |dir, expected|
+        expect { ship.move_direction(dir) }.not_to raise_error
         expect(ship.instance_variable_get(:@moving)).to eq(expected)
       end
     end
 
-    it 'raises an ArgumentError for invalid directions' do
+    it 'raises ArgumentError for invalid directions' do
       expect { ship.move_direction(-1) }.to raise_error(
         ArgumentError,
         /must be between \(0..5\)/

game/spec/spec_helper.rb

@@ -0,0 +1,104 @@
+# This file was generated by the `rspec --init` command. Conventionally, all
+# specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
+# The generated `.rspec` file contains `--require spec_helper` which will cause
+# this file to always be loaded, without a need to explicitly require it in any
+# files.
+#
+# Given that it is always loaded, you are encouraged to keep this file as
+# light-weight as possible. Requiring heavyweight dependencies from this file
+# will add to the boot time of your test suite on EVERY test run, even for an
+# individual file that may not need all of that loaded. Instead, consider making
+# a separate helper file that requires the additional dependencies and performs
+# the additional setup, and require it from the spec files that actually need
+# it.
+#
+# See https://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
+
+if ENV['COVERAGE'] == 'true'
+  require 'simplecov'
+  SimpleCov.start
+end
+
+RSpec.configure do |config|
+  # rspec-expectations config goes here. You can use an alternate
+  # assertion/expectation library such as wrong or the stdlib/minitest
+  # assertions if you prefer.
+  config.expect_with :rspec do |expectations|
+    # This option will default to `true` in RSpec 4. It makes the `description`
+    # and `failure_message` of custom matchers include text for helper methods
+    # defined using `chain`, e.g.:
+    #     be_bigger_than(2).and_smaller_than(4).description
+    #     # => "be bigger than 2 and smaller than 4"
+    # ...rather than:
+    #     # => "be bigger than 2"
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  # rspec-mocks config goes here. You can use an alternate test double
+  # library (such as bogus or mocha) by changing the `mock_with` option here.
+  config.mock_with :rspec do |mocks|
+    # Prevents you from mocking or stubbing a method that does not exist on
+    # a real object. This is generally recommended, and will default to
+    # `true` in RSpec 4.
+    mocks.verify_partial_doubles = true
+  end
+
+  # This option will default to `:apply_to_host_groups` in RSpec 4 (and will
+  # have no way to turn it off -- the option exists only for backwards
+  # compatibility in RSpec 3). It causes shared context metadata to be
+  # inherited by the metadata hash of host groups and examples, rather than
+  # triggering implicit auto-inclusion in groups with matching metadata.
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+
+# The settings below are suggested to provide a good initial experience
+# with RSpec, but feel free to customize to your heart's content.
+=begin
+  # This allows you to limit a spec run to individual examples or groups
+  # you care about by tagging them with `:focus` metadata. When nothing
+  # is tagged with `:focus`, all examples get run. RSpec also provides
+  # aliases for `it`, `describe`, and `context` that include `:focus`
+  # metadata: `fit`, `fdescribe` and `fcontext`, respectively.
+  config.filter_run_when_matching :focus
+
+  # Allows RSpec to persist some state between runs in order to support
+  # the `--only-failures` and `--next-failure` CLI options. We recommend
+  # you configure your source control system to ignore this file.
+  config.example_status_persistence_file_path = "spec/examples.txt"
+
+  # Limits the available syntax to the non-monkey patched syntax that is
+  # recommended. For more details, see:
+  # https://rspec.info/features/3-12/rspec-core/configuration/zero-monkey-patching-mode/
+  config.disable_monkey_patching!
+
+  # This setting enables warnings. It's recommended, but in some cases may
+  # be too noisy due to issues in dependencies.
+  config.warnings = true
+
+  # Many RSpec users commonly either run the entire suite or an individual
+  # file, and it's useful to allow more verbose output when running an
+  # individual spec file.
+  if config.files_to_run.one?
+    # Use the documentation formatter for detailed output,
+    # unless a formatter has already been configured
+    # (e.g. via a command-line flag).
+    config.default_formatter = "doc"
+  end
+
+  # Print the 10 slowest examples and example groups at the
+  # end of the spec run, to help surface which specs are running
+  # particularly slow.
+  config.profile_examples = 10
+
+  # Run specs in random order to surface order dependencies. If you find an
+  # order dependency and want to debug it, you can fix the order by providing
+  # the seed, which is printed after each run.
+  #     --seed 1234
+  config.order = :random
+
+  # Seed global randomization in this process using the `--seed` CLI option.
+  # Setting this allows you to use `--seed` to deterministically reproduce
+  # test failures related to randomization by passing the same `--seed` value
+  # as the one that triggered the failure.
+  Kernel.srand config.seed
+=end
+end

game/spec/stdout_helper.rb

@@ -0,0 +1,12 @@
+# If you are getting an error `uninitialized constant StringIO` make sure that
+# your code is in an `it` block.
+
+# Helper that captures STDOUT.
+def capture_stdout
+  output = StringIO.new
+  $stdout = output
+  yield
+  output.string
+ensure
+  $stdout = STDOUT
+end

game/spec/universe_array_spec.rb

@@ -0,0 +1,38 @@
+# Nathan Hinton 2 Oct 2025
+
+
+require './universe_array'
+
+RSpec.describe UniverseArray do
+  describe '#[]' do
+    it 'works with indexes' do
+      uni_arr = UniverseArray.new()
+      uni_arr[0] = []
+      uni_arr[0][0] = 'hi'
+      expect(uni_arr[0][0]).to eq 'hi'
+    end
+
+    it 'works with positions' do
+      uni_arr = UniverseArray.new()
+      uni_arr[0] = []
+      uni_arr[0][0] = 'hi'
+      expect(uni_arr[Position.new(0, 0)]).to eq 'hi'
+    end
+  end
+
+  describe '#[]=' do
+    it 'works with indexes' do
+      uni_arr = UniverseArray.new()
+      uni_arr[0] = []
+      uni_arr[0][0] = 'hi'
+      expect(uni_arr[0][0]).to eq 'hi'
+    end
+
+    it 'works with positions' do
+      uni_arr = UniverseArray.new()
+      uni_arr[0] = []
+      uni_arr[Position.new(0, 0)] = 'hi'
+      expect(uni_arr[Position.new(0, 0)]).to eq 'hi'
+    end
+  end
+end

game/spec/universe_spec.rb

@@ -0,0 +1,146 @@
+# frozen_string_literal: true
+
+require './universe'
+require './planet'
+require './position'
+require './universe_array'
+
+require './spec/stdout_helper'
+
+RSpec.describe Universe do
+
+  let(:name)          { 'Test Universe' }
+  let(:universe_size) { 3 }
+  let(:seed)          { 12345 }
+
+  subject(:universe) do
+    Universe.new(
+      name,
+      universe_size: universe_size,
+      seed:          seed,
+      create_chances: { planet: 1 }   # force a planet at every valid spot
+    )
+  end
+
+  describe '#initialize' do
+    it 'stores all expected instance variables' do
+      expect(universe.name).to eq(name)
+      expect(universe.instance_variable_get(:@universe_size)).to eq(universe_size)
+      expect(universe.instance_variable_get(:@seed)).to eq(seed)
+    end
+
+    it 'creates a deterministic Random object when a seed is given' do
+      rng = universe.instance_variable_get(:@random)
+      expect(rng).to be_a(Random)
+      expect(rng.rand(100)).to eq(Random.new(seed).rand(100))
+    end
+
+    it 'initializes the random if no seed is passed in' do
+      uni = Universe.new(name)
+      rng = uni.instance_variable_get(:@random)
+      expect(rng).to be_a(Random)
+    end
+  end
+
+  describe '#create_universe' do
+
+  end
+
+  describe '#distance' do
+    it 'is symmetric' do
+      a = Position.new(0, 0)
+      b = Position.new(4, 2)
+      expect(universe.distance(a, b)).to eq(universe.distance(b, a))
+    end
+
+    it 'returns 0 when both points are identical' do
+      p = Position.new(1, 1)
+      expect(universe.distance(p, p)).to eq(0)
+    end
+
+    it 'correctly computes known hex distances' do
+      p0 = Position.new(0, 0)
+      p1 = Position.new(2, 0)
+      p2 = Position.new(4, 2)
+      p3 = Position.new(2, 2)
+      # (0,0) to (2,0)  → 1
+      expect(universe.distance(p0, p1)).to eq(1)
+      # (0,0) to (4,2)  → 3
+      expect(universe.distance(p0, p2)).to eq(3)
+      # (0,0) to (2,2)  → 2
+      expect(universe.distance(p0, p3)).to eq(2)
+    end
+  end
+
+  describe '#map generation' do
+    it 'creates the expected dimensions' do
+      universe.create_universe
+      map = universe.instance_variable_get(:@universe_map)
+      # Each valid (x,y) pair inside the radius contains a Planet
+      # (our stub) and every other entry is nil.
+      expect(map).to be_a(UniverseArray)
+      # Check how may nodes were created:
+      expect(map.flatten.compact.length).to eq(19) # 1 + 1*6 + 2*6
+    end
+
+    it 'contains a planet at every valid point when create_chances is 1' do
+      universe.create_universe
+      map = universe.instance_variable_get(:@universe_map)
+      map.each do |row|
+        row.each do |idx|
+          # The indexes are allowed to be nil
+          if !idx.nil?
+            expect(idx).to be_a(Planet)
+          end
+        end
+      end
+    end
+
+    it 'is deterministic when the same seed is used' do
+      first_universe = Universe.new(
+        name,
+        universe_size: universe_size,
+        seed:          seed,
+        create_chances: { planet: 0.1 }
+      )
+      first_map = first_universe.instance_variable_get(:@universe_map)
+
+      second_universe = Universe.new(
+        name,
+        universe_size: universe_size,
+        seed:          seed,
+        create_chances: { planet: 0.1 }
+      )
+      second_map = second_universe.instance_variable_get(:@universe_map)
+
+      expect(first_map).to eq(second_map)
+    end
+  end
+
+  describe '#print_universe' do
+    it 'prints the center point as “O”' do
+      out = capture_stdout do
+        universe.create_universe
+        universe.print_universe
+      end
+      expect(out).to include('O')
+    end
+
+    it 'can print blank spaces for nothing' do
+      out = capture_stdout do
+        uni = Universe.new(name, create_chances: {planet: 0.0})
+        uni.create_universe
+        uni.print_universe
+      end
+      expect(out).to include('O')
+      expect(out).to include('- -')
+    end
+  end
+
+  describe '#planets' do
+    it 'lists all of the generated planets' do
+      universe.create_universe
+      expect(universe.planets.length).to eq(19)
+    end
+  end
+end

game/universe.rb

@@ -48,9 +48,10 @@ require './universe_array'
 # @param universe_size [Integer] Controlls the size of the generated universe. This is a radius from the center point.
 class Universe
   # Setup logger for this class:
-  sh 'mkdir -p logs'
   @@logger = Logger.new('logs/universe.log')
 
+  attr_reader :name
+
   def initialize(name, universe_size: 4, create_chances: {planet: 1}, seed: nil)
 
     @name = name
@@ -69,12 +70,15 @@ class Universe
       @seed = seed
       @random = Random.new(@seed)
     end
+  end # Initialize
 
+
+  def create_universe()
     # Set center of universe
     @center = Position.new(@universe_size + 2, @universe_size)
 
     @@logger.info "Generating Universe '#{@name}' with seed #{@seed}"
-    puts "Center is #{@center}"
+    @@logger.info "Center is #{@center}"
     @universe_map = UniverseArray.new()
     # Generate the universe. First generate the x values:
     (0 .. (@universe_size * 2)).each do |y_pos|
@@ -90,16 +94,21 @@ class Universe
           next
         end
 
+        # Skip if it is the center
+        if position == @center
+        end
+
         # Get what the planet should be:
         spot = nil
         if @random.rand < @create_chances[:planet]
           spot = Planet.new(@random)
         end
-        @@logger.debug "Creating something at (#{position.x_pos} #{position.y_pos})"
-        @universe_map[position.y_pos][position.x_pos] = spot
+        @@logger.debug "Creating something at (#{position})"
+        @universe_map[position] = spot
       end # Create y points
     end # Create x points
-  end # Function initialize
+    # Remove any empty nodes:
+  end # Function create_universe
 
   # Returns the distance between points. This is returned as a number which
   # indicates how far you have to go to get to a point. This is actually
@@ -110,14 +119,10 @@ class Universe
   # @return [Integer] The distance between points in the universe.
   def distance(position_a, position_b)
     result = 0 # We can just add the abs diff of each direction.
+    require 'byebug';debugger if position_a.nil?
     dist_x = (position_b.x_pos - position_a.x_pos).abs
     dist_y = (position_b.y_pos - position_a.y_pos).abs
 
-    # Sanity check, our coordinates should add to be even:
-    if (dist_x + dist_y).odd?
-      raise RangeError.new('When calculating the distance we calculated a non even number. This is not allowed!')
-    end
-
     res = (dist_x / 2)  + dist_y
     if dist_x >= dist_y
       res = (dist_x + dist_y) / 2
@@ -128,18 +133,31 @@ class Universe
 
   # Prints the universe to the screen.
   def print_universe(simple: false)
-    (0 .. (@universe_size * 2)).each do |y_pos|
+    (0 .. (@universe_map.length)).each do |y_pos|
       # Print empty space before chart (for angles)
-      nextline = ''
+      if @universe_map[y_pos].nil?
+        next
+      end
+      if @universe_map[y_pos] == []
+        puts '_' * (4 * @universe_size * 2)
+        next
+      end
+      nextline = '|'
       if y_pos < @universe_size
         nextline += '  ' * ((@universe_size - y_pos).abs - 1)
       else
         nextline += '  ' * ((@universe_size - y_pos).abs)
       end
 
+      if @universe_size.odd?
+        nextline += '  '
+      end
+
       # Print more empty space for the odd places (provides offset)
       if y_pos.odd?
-        print '  '
+        print '|  '
+      else
+        print '|'
       end
 
       #Actually loop through everything
@@ -156,9 +174,9 @@ class Universe
         end
 
         # Print what we are:
-        value = @universe_map[position.y_pos][position.x_pos]
+        value = @universe_map[position]
         nextline += ' '
-        if [x_pos, y_pos] == @center
+        if position == @center
           print 'O'
         elsif value.class == Planet
           print 'P'
@@ -184,6 +202,32 @@ class Universe
     end # For each row
   end # Function print_universe
 
+  # Returns all of the planets contained in the universe:
+  #
+  # @return [Array<Planet>]
+  def planets
+    result = []
+    @universe_map.flatten.each do |item|
+      result.push(item) if item.is_a? Planet
+    end
+    return result
+  end
+
+
+
+
+
+################################################################################
+################################################################################
+################################################################################
+################################################################################
+################################################################################
+################################################################################
+
+
+
+
+
   ##################################################
   ################### UNIVERSE #####################
   ##################################################
@@ -195,8 +239,9 @@ class Universe
   #
   # @param player [Player] The player who is asking for the position
   # @param position [Position] The position that is being requested
+  # @return [Planet, nil] Returns the thing at that point.
   def get_position(player, position)
-
+    return @universe_map[position]
   end
 
   # Sets a position as explored for a player. This should be called as ships
@@ -242,6 +287,12 @@ class Universe
   def remove_planet(planet, position)
   end
 
+  # Change the ownership of a planet
+  #
+  # @param planet [Planet] The planet to be modified
+  # @param player [Player] The player who should now own the planet
+  # @param position [Position] The position of the planet
+
   ##################################################
   ##################### PLAYER #####################
   ##################################################
@@ -251,6 +302,12 @@ class Universe
   # @param player [Player] The player who should be added to the universe
   def add_player(player)
     @player_list.push(player)
+    # Give the player a planet
+    free_planets = []
+    planets.each do |planet|
+      free_planets.push(planet) if planet.owner.nil?
+    end
+
     return 'Added player to universe'
   end
 

game/universe_array.rb

@@ -7,12 +7,19 @@ require './position'
 # indexing as well as point type indexing
 class UniverseArray < Array
   def initialize
-    super
   end
 
   def [](index, *rest)
     if index.is_a?(Position)
-      return self[position.y_pos][position.x_pos]
+      return self[index.y_pos][index.x_pos]
+    else
+      super
+    end
+  end
+
+  def []=(index, *rest)
+    if index.is_a?(Position)
+      return self[index.y_pos][index.x_pos] = rest[0]
     else
       super
     end