#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>

#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW//FC16_HW//GENERIC_HW//ICSTATION_HW//

#define MAX_DEVICES 8
#define MAX_ZONES   4

#define PAUSE_TIME    1000
#define SCROLL_SPEED  50

#define CLK_PIN   13
#define DATA_PIN  11
#define CS_PIN    10


MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);



const int player1button = 14;
const int player2button = 15;
const int player3button = 16;
const int player4button = 17;
const int pressallowed = 19;
const int pluspoint = 6;
const int minuspoint = 7;
const int reset = 18;

const int player1led = 2;
const int player2led = 3;
const int player3led = 4;
const int player4led = 5;

int button1State = 0;
int button2State = 0;
int button3State = 0;
int button4State = 0;
int plusState = 0;
int lastplusState = 0;
int minState = 0;
int lastminState = 0;

int points1 = 0;
int points2 = 0;
int points3 = 0;
int points4 = 0;
int points1new = 0;
int points2new = 0;
int points3new = 0;
int points4new = 0;

int maxpoints = 999;

char p1[1];
char p2[1];
char p3[1];
char p4[1];


void setup() {
  
  //settings for the zones of the display [7][6] | [5][4] | [3][2] | [1][0]
  P.begin(7);
  P.setZone(0, 0, 1);
  P.setZone(1, 2, 3);
  P.setZone(2, 4, 5);
  P.setZone(3, 6, 7);

  //define pinmodes
  pinMode(player1button, INPUT);
  pinMode(player2button, INPUT);
  pinMode(player3button, INPUT);
  pinMode(player4button, INPUT);
  pinMode(pressallowed, INPUT);
  pinMode(pluspoint, INPUT);
  pinMode(minuspoint, INPUT);
  pinMode(reset, INPUT);
  pinMode(player1led, OUTPUT);
  pinMode(player2led, OUTPUT);
  pinMode(player3led, OUTPUT);
  pinMode(player4led, OUTPUT);

//startup animation of the LEDS
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    delay(500);
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    delay(500);
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, HIGH);
    digitalWrite(player4led, LOW);
    delay(500);
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, HIGH);
    digitalWrite(player4led, HIGH);
    delay(500);
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, HIGH);
    digitalWrite(player4led, LOW);
    delay(500);
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    delay(500);
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    delay(500);
    digitalWrite(player1led, LOW);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    


 

}



void loop() {
  
//read digital inputs
button1State = digitalRead(player1button);
button2State = digitalRead(player2button);
button3State = digitalRead(player3button);
button4State = digitalRead(player4button);
plusState = digitalRead(pluspoint);
minState = digitalRead(minuspoint);

//declare playerstatus
static boolean player1win = false;
static boolean player2win = false;
static boolean player3win = false;
static boolean player4win = false;

  
// detect who pushes first
if (button1State == HIGH && player2win == false && player3win == false && player4win == false) {
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    player1win = true;
}

if (button2State == HIGH && player1win == false && player3win == false && player4win == false ) {
    digitalWrite(player1led, LOW);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    player2win = true;
}

if (button3State == HIGH && player1win == false && player2win == false && player4win == false ) {
    digitalWrite(player1led, LOW);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, HIGH);
    digitalWrite(player4led, LOW);
    player3win = true;
}

if (button4State == HIGH && player1win == false && player2win == false && player3win == false ) {
    digitalWrite(player1led, LOW);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, HIGH);
    player4win = true;
}


// When a player has pressed first and a pluspoint is given then add one point until maxpoints is reached
if (plusState != lastplusState){
  if (plusState == HIGH && player1win == true && points1 < maxpoints) {
    points1new = points1 + 1;  
    }
  if (plusState == HIGH && player2win == true && points2 < maxpoints) {
    points2new = points2 + 1;  
  }
  if (plusState == HIGH && player3win == true && points3 < maxpoints) {
    points3new = points3 + 1; 
  }
  if (plusState == HIGH && player4win == true && points4 < maxpoints) {
    points4new = points4 + 1;  
  }
  delay(200);
}

// When a player has pressed first and a minpoint is given then deduct one point, at 0 the counter stops
if (minState != lastminState){
  if (minState == HIGH && player1win == true) {
    if(points1 > 0) { points1new = points1 - 1;  }
  }
  if (minState == HIGH && player2win == true) {
    if(points2 > 0) {points2new = points2 - 1;   }  
  }
  if (minState == HIGH && player3win == true) {
    if(points3 > 0) { points3new = points3 - 1;  }
  }
  if (minState == HIGH && player4win == true) {
    points4new = points4 - 1;  
    if(points4 > 0) { points4new = points4 - 1;  }
  }
  delay(200);
}

  //save the new points 
    points1 = points1new;
    points2 = points2new;
    points3 = points3new;
    points4 = points4new; 

  
  //convert the string to 2 characters (points1 --> p1, points2 --> p2, ...)
   char p1[3];
  sprintf(p1, "%i", points1);
    char p2[3];
  sprintf(p2, "%i", points2);
    char p3[3];
  sprintf(p3, "%i", points3);
    char p4[3];
  sprintf(p4, "%i", points4);
  
//display the points from the player in the correct zone (Zone 0 is player 4, Zone 3 is player 1)
P.displayZoneText(3, p1, PA_CENTER, 25, 5, PA_PRINT, PA_PRINT);
P.displayZoneText(2, p2, PA_CENTER, 25, 5, PA_PRINT, PA_PRINT);
P.displayZoneText(1, p3, PA_CENTER, 25, 5, PA_PRINT, PA_PRINT);
P.displayZoneText(0, p4, PA_CENTER, 25, 5, PA_PRINT, PA_PRINT);
P.displayAnimate();



 
//When the reset is pushed:
//Reset the winning player
if (digitalRead(reset) == HIGH) {
    //P.displayClear();
    player1win = false;
    player2win = false;
    player3win = false;
    player4win = false;

    
  
//And play a short animation on the LED to show that the buttons have been reset.
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, HIGH);
    digitalWrite(player4led, HIGH);
    delay(200);
    digitalWrite(player1led, LOW);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    delay(200);
    digitalWrite(player1led, HIGH);
    digitalWrite(player2led, HIGH);
    digitalWrite(player3led, HIGH);
    digitalWrite(player4led, HIGH);
    delay(200);
    digitalWrite(player1led, LOW);
    digitalWrite(player2led, LOW);
    digitalWrite(player3led, LOW);
    digitalWrite(player4led, LOW);
    delay(1000);
    
    
    
    
}
}