#  “SIMON GAME” – an example of a RAGI call handler in action.

#  See http://ragi.sf.net for an audio sample of this app running

#

# RAGI -- Ruby Asterisk Gateway Interface

# See http://ragi.sf.net for more information about RAGI

#

#  Sponsored by www.snapvine.com

#

#  Class:  simonCallHandler

#  Description:  “Simon Game” - A simple memory game using RAGI

#

require 'ragi/callHandler'

module SimonCallHandler

  APP_NAME = 'simonCallHandler'

class CallHandler < RAGI::CallHandler

       @theconnection = nil

# When the RAGI server connects from Asterisk over AGI to our app, it calls this method.   

def processCall(connection)

# Store a class level handle to the connection.

# Connection is the object that encapsulates the functions we can apply against a call

         @theconnection = connection 

# Implement our simple simon game logic    

@theconnection.answer()  #the first thing to do is to answer the call

@theconnection.wait(1)   #give it 1 seconds to make sure the connection is established

playAgain = true

while (playAgain)

instructions()               # tell the caller how to play the game

score = playGame()           # start the game and play it, returning the score when done

announceScore(score)         # tell them how they did

playAgain = askPlayAgain()   # ask if they want to play again

end

sayGoodbye()

@theconnection.hangUp()  #end the call

end

def instructions

@theconnection.playSound("simon-welcome")

end

def playGame

intArray = [rand(10)]

score = 0

while true

# test the user's memory on the current int array

result = memoryTest(intArray)

# Let them continue if they got it right, otherwise bail out.

if (result == false)

return score

else

score = score + 1

end

# grow the array by one digit  

nextDigit = rand(10) # choose a number between 0 and 9 inclusive

intArray = intArray + [nextDigit]

@theconnection.wait(1)

end

end

def memoryTest(intArray)

# say each number in the array

index = 0

intArray.length.times do

@theconnection.playSound("simon-#{intArray[index]}")  # there are sounds like simon-6.gsm

index = index + 1

end

# listen for user key presses (number of presses should be == intArray.length)

# Note:  give about 1 second per key press (intArray.length * 1500)

resultStr = @theconnection.getData("simon-beep", (intArray.length * 1500), intArray.length)

# Check if what they entered matches the int array

if (resultStr == intArray.join(""))  # note:  join converts from array to string

return true

else

@theconnection.playSound("simon-gameover")

return false

end

end

def announceScore(score)

if (score <= 9)

@theconnection.playSound("simon-score") # “your score was...”

@theconnection.playSound("simon-#{score.to_s}") # e.g. “five”

end

if (score < 5)

@theconnection.playSound("simon-low") # “you did not do so well”

elsif (score < 10)

@theconnection.playSound("simon-medium") # “you did OK”

else

@theconnection.playSound("simon-high") # “you did GREAT!”

end

end

def askPlayAgain()

resultStr = @theconnection.getData("simon-again", 3000, 1)

if (resultStr.length >= 1)

return true

else

return false

end

end

def sayGoodbye()

@theconnection.playSound("simon-goodbye")

end

end

end