Pseudo-code for Gameplay module
******************************************************************************************

InitializeGameplay
//Takes a priority number, returns true
	Initialize MyPriority variable with passed in priority number
	Initialize the necessary port lines and hardware
	Sample port lines for coin sensor and save state to Coin_Sensor_Last_State
	Set CurrentState to Waiting_for_TOT
	Post event ES_INIT to Gameplay service
End of InitializeGameplay

PostGameplay
	Takes an input event and posts to service
End of PostGameplay

CheckTotEvent
//Takes no input returns true if event is found
	local ReturnVal, Coin_Sensor_Current_State
	Set ReturnVal to false
	Set current state of port line PD3 to Coin_Sensor_Current_State
	If Coin_Sensor_Current_State is different than Coin_Sensor_Last_State
		Set ReturnVal to true
		Post Event TOT_BEAM_BROKEN to Gameplay and HPServo services
	Set Coin_Sensor_Last_State to Coin_Sensor_Current_State
	Return ReturnVal		
End of CheckTotEvent

Rand_Hit
//Generates random hit or random dodge event, posts to Gameplay and BeamBreak or DodgeRegister services
//Only used at the start of the game to assign the first hit
	Get a random number and set it to RandTime
	If RandTime % 3 is equal to 0
		Post Event HIT_POST to Gameplay and BeamBreak services with parameter LEFT_TIMER
	Elseif RandTime % 8 is equal to 1
		Post Event HIT_POST to Gameplay and BeamBreak services with parameter MIDDLE_TIMER
	Elseif RandTime % 8 is equal to 2
		Post Event HIT_POST to Gameplay and BeamBreak services with parameter RIGHT_TIMER
	Endif
End of Rand_Hit_or_Dodge

Rand_Hit_or_Dodge
//Generates random hit or random dodge event, posts to Gameplay and BeamBreak or DodgeRegister services
	Get a random number and set it to RandTime
	If RandTime % 8 is equal to 0 or 1
		Post Event HIT_POST to Gameplay and BeamBreak services with parameter LEFT_TIMER
	Elseif RandTime % 8 is equal to 2 or 3
		Post Event HIT_POST to Gameplay and BeamBreak services with parameter MIDDLE_TIMER
	Elseif RandTime % 8 is equal to 4 or 5
		Post Event HIT_POST to Gameplay and BeamBreak services with parameter RIGHT_TIMER
	Elseif RandTime % 8 is equal to 6
		Post Event DODGE_POST to Gameplay and DodgeRegister services with parameter 'L'
	Elseif RandTime % 8 is equal to 7
		Post Event HIT_POST to Gameplay and DodgeRegister services with parameter 'R'
	Endif
End of Rand_Hit_or_Dodge

LEDFlicker
//Takes no input, returns nothing
	Set FlickerCount to 0
	If FlickerCount is equal to 0
		Call LightLED with parameters 'L' and 'W'
		Increment FlickerCount variable
	If FlickerCount is equal to 1
		Call LightLED with parameters 'M' and 'W'
		Increment FlickerCount variable
	If FlickerCount is equal to 2
		Call LightLED with parameters 'R' and 'W'
		Increment FlickerCount variable
	If FlickerCount is equal to 3
		Call LightLED with parameters 'L' and 'R'
		Increment FlickerCount variable
	If FlickerCount is equal to 4
		Call LightLED with parameters 'M' and 'W'
		Increment FlickerCount variable
	If FlickerCount is equal to 5
		Call LightLED with parameters 'R' and 'R'
		Increment FlickerCount variable
	If FlickerCount is equal to 6
		Call LightLED with parameters 'L' and 'G'
		Increment FlickerCount variable
	If FlickerCount is equal to 7
		Call LightLED with parameters 'M' and 'G'
		Increment FlickerCount variable
	If FlickerCount is equal to 8
		Call LightLED with parameters 'R' and 'G'
		Increment FlickerCount variable
	If FlickerCount is equal to 9
		Call LightLED with parameters 'L' and 'B'
		Increment FlickerCount variable
	If FlickerCount is equal to 10
		Call LightLED with parameters 'M' and 'B'
		Increment FlickerCount variable
	If FlickerCount is equal to 11
		Call LightLED with parameters 'R' and 'B'
		Increment FlickerCount variable
	If FlickerCount is equal to 12
		Call LightLED with parameters '0' and '0'
		Increment FlickerCount variable
End of LEDFlicker

Flicker
//Takes in parameters WhichLED and WhatColor and turns corresponding LED on
	Set DodgeCount to 0
	If DodgeCount is equal to 0
		Call LightLED with parameters WhichLED and WhatColor
		Increment DodgeCount variable
	Else
		Call LightLED with parameters '0' and '0' to turn off all LEDs
		Set DodgeCount to 0
	Endif
End of Flicker

RunGameplaySM
// The EventType field of ThisEvent will be one of: TOTBeamBroken, Hit_Or_Dodge[LHit,RHit,MHit,LDodge,RDodge], 
// ES_Timeout[FirstTimer,LEDTimer,GameTimer,EndgameTimer, AudioTimer], ButtonPress[L,R]
// Returns ES_NO_EVENT 

	Set NextState to CurrentState
	Based on the state of the CurrentState variable choose one of the following blocks of code:

		CurrentState is Waiting_for_TOT
			Initialize Fun Timer
			If ThisEvent is TOT_BEAM_BROKEN
				Set NextState to Welcoming_TATER
				Initialize Standby Timer
				Turn off LEDs by calling LightLED function
				Initialize Flicker Timer
				Turn off audio playback by calling Stop_Talking function
				Initialize Audio Timer
			Elseif ThisEvent is ES_TIMEOUT and EventParam is FUN_TIMER
				Call LEDFlicker function
				Post ThisEvent to TimerServo service		
			Endif
			Initialize WAIT_TOT_TIMER
		End Waiting_for_TOT block

		CurrentState is Welcoming_TATER
			If ThisEvent is ES_TIMEOUT and EventParam is WAIT_TOT_TIMER
				Set NextState to Hit_or_Dodge
				Post ThisEvent to HPServo and TimerServo services
				Call Rand_Hit function
			Elseif ThisEvent is ES_TIMEOUT and EventPram is FLICKER_TIMER
				Call Ficker function with parameters 'M' and 'W'
				Initialize Flicker Timer
			Elseif ThisEvent is ES_TIMEOUT and EventParam is AUDIO_TIMER
				Call Stop_Talking function
				Call Show_Me_What_You_Got function
			Endif
		End Welcoming_TATER block

		CurrentState is Hit_or_Dodge
			If ThisEvent is HIT_POST
				Call Stop_Talking function
				Set NextState to Wait_for_Hit
				Post ThisEvent to Gameplay service
				Initialize LED Timer
				If EventParam is LEFT_TIMER
					Call LightLED function with parameters 'L' and 'B'
					Set LitLED to 'L'
				If EventParam is MIDDLE_TIMER
					Call LightLED function with parameters 'M' and 'B'
					Set LitLED to 'M'
				If EventParam is RIGHT_TIMER
					Call LightLED function with parameters 'R' and 'B'
					Set LitLED to 'R'	
			Elseif ThisEvent is DODGE_POST
				Call Stop_Talking function
				Set NextState to Wait_for_Dodge
				Initialize LED Timer
				Initialize Flicker Timer
				Set LitLED to EventParam
			Elseif ThisEvent is ES_TIMEOUT and EventParam is STANDBY_TIMER
				Post Event GAME_OVER to TimerServo, Gameplay and HPServo services with parameter LOSE_VALUE
			Elseif ThisEvent is GAME_OVER and EventParam is LOSE_VALUE
				Set NextState to Game_Ending
				Initialize Audio Timer
				Initialize Flicker Timer
				Set Win_or_Lose to 'L'	
				Call Lose_Audio function
				Call TotServoRelease function
				Stop Standby Timer		
			Endif
		End Hit_or_Dodge block
	
		CurrentState is Wait_for_Hit
			If EventType is ES_TIMEOUT and EventParam is LED_TIMER
				Set NextState to Changing_LED
				Initialize LED Timer
				Call Stop_Talking function
				Call Bad_Hit_Audio function
				Set all LEDs to off by calling LightLED function with parameters '0' and '0'
			Elseif EventType is HIT_SUCCESS
				Set NextState to Changing_LED
				Initialize LED Timer
				Initialize Standby Timer
				Call Stop_Talking function
				Call Good_Hit_Audio function	
				Set all LEDs to off by calling LighLED function with parameters '0' and '0'
				Set related LED to green by calling LightLED function with LitLED and 'G' parameters
			Elseif EventType is HIT_MISTAKE
				Set NextState to Changing_LED
				Initialize LED Timer
				Initialize Standby Timer
				Call Stop_Talking function
				Call Lose_Audio function	
				Set all LEDs to off by calling LighLED function with parameters '0' and '0'
				Set related LED to red by calling LightLED function with LitLED and 'R' parameters
			Elseif EventType is ES_TIMEOUT and EventParam is STANDBY_TIMER
				Post Event GAME_OVER to TimerServo, Gameplay, and HP Servo services with parameter LOSE_VALUE
			Elseif EventType is GAME_OVER and EventParam is LOSE_VALUE
				Set NextState to Game_Ending
				Initialize Audio Timer
				Initialize Flicker Timer
				Set Win_or_Lose to 'L'
				Call Stop_Talking function
				Call Lose_Audio function
				Call TotServoRelease function
				Stop Standby Timer
			Endif
		End Wait_for_Hit block
		
		CurrentState is Wait_for_Dodge
			If EventType is DODGE_SUCCESS
				Set NextState to Changing_LED
				Initialize LED Timer
				Call LightLED with LitLED and 'G' parameters
				Call Stop_Talking function
				Call Good_Hit_Audio function
				Initialize Standby Timer
			Elseif EventType is DODGE_MISTAKE
				Initialize Standby Timer
				Call Stop_Talking function
				Call Bad_Hit_Audio function	
			Elseif EventType is ES_TIMEOUT with EventParam STANDBY_TIMER
				Post Event GAME_OVER to TimerServo, Gameplay, and HP Servo services with parameter LOSE_VALUE
			Elseif EventType is GAME_OVER and EventParam is LOSE_VALUE
				Set NextState to Game_Ending
				Initialize Audio Timer
				Initialize Flicker Timer
				Set Win_or_Lose to 'L'
				Call Stop_Talking function
				Call Lose_Audio function
				Call TotServoRelease function
				Stop Standby Timer
			Endif
		End Wait_for_Dodge block
		
		CurrentState is Changing_LED
			Call Stop_Talking function
			If EventType is ES_TIMEOUT and EventParam is LED_TIMER
				Set NextState is Hit_or_Dodge
				Call Rand_Hit_or_Dodge function
				Turn off LEDs by calling LightLED function with parameters '0' and '0'
			Elseif EventType is ES_TIMEOUT and EventParam is STANDBY_TIMER
				Post Event GAME_OVER to TimerServo, Gameplay, and HP Servo services with parameter LOSE_VALUE
			Elseif EventType is GAME_OVER and EventParam is WIN_VALUE
				Set NextState to Game_Ending
				Initialize Audio Timer
				Initialize Flicker Timer
				Set Win_or_Lose to 'W'
				Call Stop_Talking function
				Call Win_Audio function
				Call TotServoRelease function
				Stop Standby Timer
				Turn off LEDs by calling LightLED with parameters '0' and '0'		
			Elseif EventType is GAME_OVER and EventParam is LOSE_VALUE
				Set NextState to Game_Ending
				Initialize Audio Timer
				Initialize Flicker Timer
				Set Win_or_Lose to 'L'
				Call Stop_Talking function
				Call Lose_Audio function
				Call TotServoRelease function
				Stop Standby Timer
				Turn off LEDs by calling LightLED with parameters '0' and '0'
			Endif
		End Changing_LED block

		CurrentState is Game_Ending
			If EventType is ES_TIMEOUT and EventParam is AUDIO_TIMER
				Post Event to HPServo and TimerServo Services
				Call Stop_Taling function
				Call Goodbye_Moonmen function
				Set NextState to Endgame_Transition
				Call TotServoReset function
				Post ReturnEvent to Gameplay Services
			Elseif EventType is ES_TIMEOUT and EventParam is FLICKER_TIMER and Win_or_Lose is 'W'
				Call Flicker function with parametes 'A' and 'G'
				Initialize Flicker Timer
			Elseif EventType is ES_TIMEOUT and EventParam is FLICKER_TIMER and Win_or_Lose is 'L'
				Call Flicker function with parametes 'A' and 'R'
				Initialize Flicker Timer
			Endif
		End Game_Ending block

		CurrentState is Endgame_Transition
			Set NextState to Waiting_for_TOT
			Post ReturnEvent to Gameplay service
		End Endgae_Transition block

	Set CurrentState to NextState	
	Return ReturnEvent	
End of RunGameplaySM