//**********************************
//*                                *
//* Name: Caiden McCann            *
//* Program: 2PlayerGame.ino       *
//* Date: 2023-10-19               *
//* Desc: 2 player interactive maze*
//*                                *
//**********************************


const int speaker           = A0;

const int p1GoHomeLED       = 8;
const int p1PlayLED         = 9;
const int p1WinnerLED       = 10;

const int p1StartIn         = 2;
const int p1WireIn          = 3;
const int p1WinIn           = 4;

const int p2GoHomeLED       = 11;
const int p2PlayLED         = 12;
const int p2WinnerLED       = 13;

const int p2StartIn         = 5;
const int p2WireIn          = 6;
const int p2WinIn           = 7;

int p1Start                 = 0;
int p2Start                 = 0;

int startTheGame            = 0;
int theWinnerIs             = 0;

int playerOnePlayingTheGame = 0;
int playerTwoPlayingTheGame = 0;

int p1AtStart               = 0;
int p2AtStart               = 0;

int p1Wire                  = 0;
int p2Wire                  = 0;


void setup() {
  // put your setup code here, to run once:

  pinMode(p1GoHomeLED, OUTPUT);
  pinMode(p1PlayLED, OUTPUT);
  pinMode(p1WinnerLED, OUTPUT);

  pinMode(p1StartIn, INPUT_PULLUP);
  pinMode(p1WireIn, INPUT_PULLUP);
  pinMode(p1WinIn, INPUT_PULLUP);

  pinMode(p2GoHomeLED, OUTPUT);
  pinMode(p2PlayLED, OUTPUT);
  pinMode(p2WinnerLED, OUTPUT);

  pinMode(p2StartIn, INPUT_PULLUP);
  pinMode(p2WireIn, INPUT_PULLUP);
  pinMode(p2WinIn, INPUT_PULLUP);

  randomSeed(analogRead(0));





}

void loop() {
  // put your main code here, to run repeatedly:

  if (digitalRead(p1StartIn) == 1){
    p1AtStart = 1;
  } //end if

if (digitalRead(p2StartIn) == 1){
    p2AtStart = 1;
  } //end if


  fairstart(); //run preset function


  if (digitalRead (p1AtStart) == 1){ //check if player one is at start
      digitalWrite (p1GoHomeLED, LOW); //turn off player one's go home LED
      digitalWrite (p1PlayLED, HIGH); //turn on player one's play LED
      digitalWrite (p1WinnerLED, LOW); //turn off player one's winner LED
      playerOnePlayingTheGame = 1; //player one is playing 
  } //end if 



  if (digitalRead (p1Wire) == 1){ //if player one touches the wire
      digitalWrite (p1GoHomeLED, HIGH); //turn on player one's go home LED
      digitalWrite (p1PlayLED, LOW); //turn off player one's play LED
      digitalWrite (p1WinnerLED, LOW); //turn off player one's winner LED
      playerOnePlayingTheGame = 0; //player  one is not playing
  } //end if 



  if (digitalRead (playerOnePlayingTheGame) == 1 && p1WinIn == 1){ //if player one wins 
      digitalWrite (p1GoHomeLED, LOW); //turn off player one's go home LED
      digitalWrite (p1PlayLED, LOW); //turn off player one's play LED
      digitalWrite (p1WinnerLED, HIGH); // turn on player one's winner LED
      playerOnePlayingTheGame = 0; //player one is not playing
      theWinnerIs = 1; //player one is the winner
  } //end if 



  if (digitalRead (p2AtStart) == 1){ //check if player one is at start
      digitalWrite (p2GoHomeLED, LOW); //turn off player two's go home LED
      digitalWrite (p2PlayLED, HIGH); //turn on player two's play LED
      digitalWrite (p2WinnerLED, LOW); //turn off player two's winner LED
      playerTwoPlayingTheGame = 1; //player two is playing 
  } //end if 



  if (digitalRead (p2Wire) == 1){ //if player two touches the wire
      digitalWrite (p2GoHomeLED, HIGH); //turn on player two's go home LED
      digitalWrite (p2PlayLED, LOW); //turn off player two's play LED
      digitalWrite (p2WinnerLED, LOW); //turn off player two's winner LED
      playerTwoPlayingTheGame = 0; //player  two is not playing
  } //end if 



  if (digitalRead (playerTwoPlayingTheGame) == 1 && p2WinIn == 1){ //if player two wins 
    digitalWrite (p2GoHomeLED, LOW); //turn off player two's go home LED
    digitalWrite (p2PlayLED, LOW); //turn off player two's play LED
    digitalWrite (p2WinnerLED, HIGH); // turn on player two's winner LED
    playerTwoPlayingTheGame = 0; //player two is not playing
    theWinnerIs = 1; //player two is the winner
  } //end if 


}


  //************************************FUNCTIONS BELOW************************************
  void fairstart() {

  while (startTheGame == 0)  {
    while (digitalRead(p1Start) != 0  || digitalRead(p2Start) != 0 )  {
      if (digitalRead(p1Start) != 0) {
        digitalWrite(p1PlayLED, HIGH);
      } else  {
        digitalWrite(p1PlayLED,LOW);
      }//end if()

      if (digitalRead(p2Start) != 0) {
        digitalWrite(p2PlayLED, HIGH);
      } else  {
        digitalWrite(p2PlayLED,LOW);
      }//end if()
    }//end while



  if (digitalRead (p1AtStart == 1) && p2AtStart == 1){
   tone (A0,200,100);
   tone (A0,250,100);
   tone (A0,300,100);
   delay ( (random (1,5) * 1000) );
   tone (A0,350,250);
  } //end if


   if (digitalRead(p1AtStart == 0) && p2AtStart == 0){
    startTheGame = 1;
   } else {
    startTheGame = 0;
   } //end if()  






  }//end 2nd while()

}//end fairstart()