working on reimplimenting server

core/game.rb

@@ -0,0 +1,133 @@
+# Nathan Hinton 19 Dec 2025
+
+
+require 'securerandom'
+
+require './planet'
+
+# This class holds a game and should be the top level object.
+class Game
+  attr_reader :players, :width, :height, :planets, :game_id
+  # Create the game
+  def initialize(width: 0, height: 0, planets: 0, game_id: nil, name: 'default name')
+    @game_id = game_id || SecureRandom.hex
+    @game_name = name
+    @players = []
+    @planets = []
+    planets.times do |idx|
+      planet = Planet.new()
+      # Move to a random position
+      position = [rand(width), rand(height), 0]
+      # Ensure that the planets position is random
+      while @planets.map{ |pl| pl.position}.include? position
+        position = [rand(width), rand(height), 0]
+      end
+      planet.move(position)
+      # Add to the list:
+      @planets.append(planet)
+    end
+    @width = width
+    @height = height
+  end
+
+  # Add a player to the game
+  #
+  # @param player [Player] The player to add to the game
+  def add_player(player)
+    # Check if there is a planet free for the player:
+    avail_planets = []
+    @planets.each do |planet|
+      avail_planets.append(planet) if planet.owner.nil?
+    end
+    if avail_planets == []
+      raise GameError, "No available planets to add player to"
+    end
+    planet = avail_planets.sample
+
+    # Add the player to the game
+    @players.append(player)
+    planet.capture(player)
+    player.home_planet = planet
+  end
+
+  # Remove a player from the game
+  #
+  # @param player [Player] The player to be removed
+  def remove_player(player)
+    idx = @players.index(player)
+    if idx.nil?
+      # Raise an error that the player could not be found
+      raise GameError, 'Player not found to remove!'
+    end
+    @players.delete_at(idx)
+  end
+
+  # Checks if the given id matches a player in the game. Returns the player if
+  # so. otherwise raises an error.
+  #
+  # @param id [String] The id of a player
+  # @return Player The player matching the id
+  def check_id(id)
+    @players.each do |player|
+      if player.id == id
+        return player
+      end
+    end
+    raise GameError, 'Invalid player id!'
+  end
+
+  # Gets the planets for a player
+  #
+  # @param id [String] Players id
+  # @return [Array<Planet>] List of planets captured by that player
+  def get_captured_planets(id)
+    player = check_id(id)
+    result = []
+    @planets.each do |planet|
+      result.append(planet) if planet.owner == player
+    end
+    return result
+  end
+
+  # Returns a string representation of the map
+  # Begin no coverage
+  # :nocov:
+  def to_s()
+    # Create char map:
+    game_map = []
+    @height.times do
+      tmp = []
+      @width.times do
+        tmp.append('')
+      end
+      game_map.append(tmp)
+    end
+
+    # Add planets to the map:
+    @planets.each do |planet|
+      pos_x, pos_y, pos_z = planet.position
+      puts("x: #{pos_x}, y: #{pos_y}")
+      game_map[pos_y][pos_x] += 'p'
+    end
+
+    require 'pp'
+    pp(game_map)
+    game_map.each do |row|
+      row.each do |col|
+        if col == ''
+          print(' ')
+        else
+          print(col)
+        end
+      end
+      print("\n")
+    end
+  end
+  # :nocov:
+  # End no coverage
+
+end
+
+# General game errors
+class GameError<StandardError
+end