Merge pull request #669 from serranojl/main

ruby version for Pizza game

69_Pizza/ruby/pizza.rb

@@ -0,0 +1,159 @@
+class Pizza
+  STREET_NAMES   = ['1', '2', '3', '4']
+  CUSTOMER_NAMES = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P']
+  def start
+    player_name = print_instructions
+    more_directions = yes_no_prompt("DO YOU NEED MORE DIRECTIONS?")
+
+    if more_directions
+      print_more_directions(player_name)
+
+      understand = yes_no_prompt("UNDERSTAND?")
+
+      if not understand
+        print("\nTHIS JOB IS DEFINITELY TOO DIFFICULT FOR YOU. THANKS ANYWAY")
+        return
+      end
+
+      puts "\n\nGOOD.  YOU ARE NOW READY TO START TAKING ORDERS. \n"
+      puts "GOOD LUCK!!"
+    end
+
+    while true
+      num_turns = 5
+      play_game(num_turns, player_name)
+
+      more = yes_no_prompt("DO YOU WANT TO DELIVER MORE PIZZAS?")
+      if not more
+        puts "\nO.K. #{player_name}, SEE YOU LATER!"
+        return
+      end
+    end
+  end
+
+  private
+    def print_street index
+      street_number = 3 - index
+  
+      street_name = STREET_NAMES[street_number]
+      line = street_name
+  
+      space = " " * 5
+      for customer_index in (0...4)
+        line += space
+        customer_name = CUSTOMER_NAMES[4 * street_number + customer_index]
+        line += customer_name
+      end
+      line += space
+      line += street_name
+      puts "#{line}"
+    end
+        
+    def print_map
+      puts "MAP OF THE CITY OF HYATTSVILLE\n\n" 
+      print(" -----1-----2-----3-----4-----")
+      for i in (0...4)
+        for _ in (0...4)
+            puts "-"
+        end
+        print_street(i)
+      end
+      print(" -----1-----2-----3-----4-----")
+    end
+
+    def print_instructions
+      puts "PIZZA DELIVERY GAME \n\n"
+      print "WHAT IS YOUR FIRST NAME? "
+      player_name = gets.chomp!
+      puts "\nHi, #{player_name}. IN THIS GAME YOU ARE TO TAKE ORDERS"
+      puts "FOR PIZZAS.  THEN YOU ARE TO TELL A DELIVERY BOY"
+      puts "WHERE TO DELIVER THE ORDERED PIZZAS. \n\n"
+
+      print_map
+
+      puts "\n\nTHE OUTPUT IS A MAP OF THE HOMES WHERE"
+      puts "YOU ARE TO SEND PIZZAS."
+      puts "YOUR JOB IS TO GIVE A TRUCK DRIVER"
+      puts "THE LOCATION OR COORDINATES OF THE"
+      puts "HOME ORDERING THE PIZZA."
+
+      return player_name
+    end
+
+    def yes_no_prompt msg
+      puts
+      while true
+        print "#{msg} "
+          
+        response = gets.chomp
+
+        if response == response.upcase
+          if response == "YES"
+            return true
+          elsif response == "NO"
+            return false
+          end
+        else
+          print "'YES' OR 'NO' PLEASE, NOW THEN, "
+        end
+
+      end
+    end
+
+    def print_more_directions player_name
+      puts "\nSOMEBODY WILL ASK FOR A PIZZA TO BE"
+      puts "DELIVERED.  THEN A DELIVERY BOY WILL"
+      puts "ASK YOU FOR THE LOCATION."
+      puts "\nEXAMPLE:"
+      puts "THIS IS J.  PLEASE SEND A PIZZA."
+      puts "DRIVER TO #{player_name}.  WHERE DOES J LIVE?"
+      puts "YOUR ANSWER WOULD BE 2,3"
+    end
+    
+    def calculate_customer_index x,y
+      return 4 * (y - 1) + x - 1
+    end
+
+    def deliver_to customer_index, customer_name, player_name
+      print "  DRIVER TO #{player_name}:  WHERE DOES #{customer_name} LIVE? "
+  
+      coords = gets.chomp!
+      xc, yc = coords.split(/,/).map(&:to_i)
+
+      puts "#{xc}, #{yc}"
+      delivery_index = calculate_customer_index(xc, yc)
+      if delivery_index == customer_index
+        puts "HELLO #{player_name}.  THIS IS #{customer_name}, THANKS FOR THE PIZZA."
+        return true
+      else  
+          delivery_name = CUSTOMER_NAMES[delivery_index]
+          puts "THIS IS #{defined?(delivery_name.to_i) ? "Undefined" : delivery_name.to_i}.  I DID NOT ORDER A PIZZA."
+          puts "I LIVE AT #{xc},#{yc}"
+          return false
+      end
+    end
+
+    def play_game num_turns, player_name
+      for _turn in (1..num_turns)
+        x = rand(1..4)
+        y = rand(1..4)
+        customer_index = calculate_customer_index(x, y)
+        customer_name = CUSTOMER_NAMES[customer_index]
+
+        puts "\nHELLO #{player_name}'S PIZZA.  THIS IS #{customer_name}. \n  PLEASE SEND A PIZZA."
+
+        while true
+          success = deliver_to(customer_index, customer_name, player_name)
+          if success
+            break
+          end
+        end
+      end
+    end
+end
+
+if __FILE__ == $0
+  pizza = Pizza.new
+  pizza.start()
+end
+