added comments to ex41.rb

ex41.rb

@@ -34,7 +34,7 @@ def central_corridor()
   prompt()
   action = gets.chomp()
 
-  if action == "shoot!"
+  if action == "shoot"
     puts "Quick on the draw you yank out your blaster and fire it at the Gothon."
     puts "His clown costume is flowing and moving around his body, which throws"
     puts "off your aim. Your laser hits his costume but misses him entirely. This"
@@ -43,7 +43,7 @@ def central_corridor()
     puts "you are dead. Then he eats you."
     return :death
 
-  elsif action == "dodge!"
+  elsif action == "dodge"
     puts "Like a world class boxer you dodge, weave, slip, and slide right"
     puts "as the Gothon's blaster cranks a laser past your head."
     puts "In the middle of your artful dodge your foot slips and you"
@@ -68,4 +68,129 @@ def central_corridor()
 end
 
 def laser_weapon_armory()
+  puts "You do a dive roll into the Weapon Armory, crouch and scan the room"
+  puts "for more Gothons that might be hiding.  It's dead quiet, too quiet."
+  puts "You stand up and run to the far side of the room and find the"
+  puts "neutron bomb in its container.  There's a keypad lock on the box"
+  puts "and you need the code to get the bomb out.  If you get the code"
+  puts "wrong 10 times then the lock closes forever and you can't"
+  puts "get the bomb.  The code is 3 digits."
+  code = "%s%s%s" % [rand(9)+1, rand(9)+1, rand(9)+1]
+  print "[keypad]> "
+  guess = gets.chomp()
+  guesses = 0
 
+  while guess != code and guesses < 10
+    puts "BZZZZEDDD!"
+    guesses += 1
+    print "[keypad]> "
+    guess = gets.chomp()
+  end
+
+  if guess == code
+    puts "The container clicks open and the seal breaks, letting gas out."
+    puts "You grab the neutron bomb and run as fast as you can to the"
+    puts "bridge where you must place it in the right spot."
+    return :the_bridge
+  else
+    puts "The lock buzzes one last time and then you hear a sickening"
+    puts "melting sound as the mechanism is fused together."
+    puts "You decide to sit there, and finally the Gothons blow up the"
+    puts "ship from their ship and you die."
+    return :death
+  end
+end
+
+def the_bridge()
+  puts "You burst onto the Bridge with the netron destruct bomb"
+  puts "under your arm and surprise 5 Gothons who are trying to"
+  puts "take control of the ship.  Each of them has an even uglier"
+  puts "clown costume than the last.  They haven't pulled their"
+  puts "weapons out yet, as they see the active bomb under your"
+  puts "arm and don't want to set it off."
+
+  prompt()
+  action = gets.chomp()
+
+  if action == "throw the bomb"
+    puts "In a panic you throw the bomb at the group of Gothons"
+    puts "and make a leap for the door.  Right as you drop it a"
+    puts "Gothon shoots you right in the back killing you."
+    puts "As you die you see another Gothon frantically try to disarm"
+    puts "the bomb. You die knowing they will probably blow up when"
+    puts "it goes off."
+    return :death
+
+  elsif action == "slowly place the bomb"
+    puts "You point your blaster at the bomb under your arm"
+    puts "and the Gothons put their hands up and start to sweat."
+    puts "You inch backward to the door, open it, and then carefully"
+    puts "place the bomb on the floor, pointing your blaster at it."
+    puts "You then jump back through the door, punch the close button"
+    puts "and blast the lock so the Gothons can't get out."
+    puts "Now that the bomb is placed you run to the escape pod to"
+    puts "get off this tin can."
+    return :escape_pod
+  else
+    puts "DOES NOT COMPUTE!"
+    return :the_bridge
+  end
+end
+
+def escape_pod()
+  puts "You rush through the ship desperately trying to make it to"
+  puts "the escape pod before the whole ship explodes.  It seems like"
+  puts "hardly any Gothons are on the ship, so your run is clear of"
+  puts "interference.  You get to the chamber with the escape pods, and"
+  puts "now need to pick one to take.  Some of them could be damaged"
+  puts "but you don't have time to look.  There's 5 pods, which one"
+  puts "do you take?"
+
+  good_pod = rand(5)+1
+  print "[pod #]> "
+  guess = gets.chomp()
+
+  if guess.to_i != good_pod
+    puts "You jump into pod %s and hit the eject button." % guess
+    puts "The pod escapes out into the void of space, then"
+    puts "implodes as the hull ruptures, crushing your body"
+    puts "into jam jelly."
+    return :death
+  else
+    puts "You jump into pod %s and hit the eject button." % guess
+    puts "The pod easily slides out into space heading to"
+    puts "the planet below.  As it flies to the planet, you look"
+    puts "back and see your ship implode then explode like a"
+    puts "bright star, taking out the Gothon ship at the same"
+    puts "time.  You won!"
+    Process.exit(0)
+  end
+end
+
+# ROOMS is a hash
+# A hash is a collection of key value pairs
+# :death is a symbol
+# :death is also a key in a key value pair
+# method(:deadh) is a ?
+ROOMS = {
+  :death => method(:death),
+  :central_corridor => method(:central_corridor),
+  :laser_weapon_armory => method(:laser_weapon_armory),
+  :the_bridge => method(:the_bridge),
+  :escape_pod => method(:escape_pod)
+}
+
+def runner(map, start)
+  next_one = start
+
+  while true
+    # The first time around assign the value at key ROOMS[:central_corridor] which is the methodobject central_corridor
+    room = map[next_one]
+    puts "\n----------"
+
+    # The first time around invoke the method central_corridor
+    next_one = room.call()
+  end
+end
+
+runner(ROOMS, :central_corridor)

ex41_0.rb

@@ -0,0 +1,18 @@
+def death()
+  quips = ["You died. You suck at this.",
+    "Nice job, you died... jackass.",
+    "You're such a looooser.",
+    "I have a small puppy who's better at this."]
+  puts quips[rand(quips.length())]
+  Process.exit(1)
+  # Process.exit is really cool
+  # Without arguments it returns 0, success
+  # With the argument above it returns 1
+  # This allows you to write a script which can exit with the error code you specify
+  # If this Process.exit(1) executes in this script, then this script will exit with error code 1
+  # Then in bash if you echo $? you'll see this script did exit with error code 1
+end
+
+ROOMS = {
+  :death => method(:death),
+}