#include <LiquidCrystal.h>

LiquidCrystal lcd(7, 8, 9, 10, 11, 12);

int redPin = 6;
int bluePin = 5;

bool alive = true;

int playerSprite = 0;
int playerPos = 0;

int pipeDelay = 0;
int pipeTop = 1;
int pipeBottom = 2;

int gameSpeed = 400;

int pipeRandom;

int pos1x = 0;
int pos2x = 0;
int pos3x = 0;
int pos4x = 0;
int pos1y = 0;
int pos2y = 0;
int pos3y = 0;
int pos4y = 0;


//bird sprite
byte player[8] = {
  B00000,
  B11100,
  B00010,
  B01001,
  B00010,
  B00010,
  B11100,
  B00000,
};
byte pipe1[8] = {
  B01110,
  B01110,
  B01110,
  B01110,
  B01110,
  B01110,
  B01110,
  B11111,
};
byte pipe2[8] = {
  B11111,
  B01110,
  B01110,
  B01110,
  B01110,
  B01110,
  B01110,
  B01110,
};
void setup() {
nChar(0, player);
nChar(1, pipe1);
nChar(2, pipe2);

//prints the credit screen and moves onto the main loop
lcd.begin(16, 2);
lcd.print("Flappy Bird");
delay(1500);
lcd.clear();
cur(0, 0);
lcd.print("Designed by");
cur(0, 1);
lcd.print("Thea");
delay(1500);
}

void loop() {
//title screen
lcd.clear();
cur(0, 0);
lcd.print("Press Red");
cur(0, 1);
lcd.print("To Start");
cur(9, 1);
lcdWrite(playerSprite);
//sets the button state for the buttonWait function to 0 to make the game fully loop
int buttonState = 0;
buttonWait(redPin);

lcd.clear();
cur(8, 0);
lcd.print("3");
countdownSec(8, 0);
lcd.print("2");
countdownSec(8, 0);
lcd.print("1");
countdownSec(7, 0);
lcd.print("GO!");
lcdWrite(0);
delay(1000);
lcd.clear();
cur(7, playerPos);
lcdWrite(0);

while (alive == true) { //main game loop
if (digitalRead(redPin) = HIGH) {
  playerPos = 0;
}
if (digitalRead(bluePin) = HIGH) {
  playerPos = 1;
}
pipeRandom = random(0, 1);


  pipeDelay++;
  delay(30);
  } //end of game loop
}

void buttonWait(int buttonPin){
  //function mainly for the title screen
  int buttonState = 0;
  while(1){
    buttonState = digitalRead(buttonPin);
    if (buttonState == HIGH) {
      return;
    }
  }
}

void countdownSec(int a, int b) {
  //function to make the counting down animations more compact and readable
  delay(1000);
  lcd.clear();
  lcd.setCursor(a, b);
}

void nChar(int num, int charByte) {
  //function to make registering custom characters easier
  lcd.createChar(num, charByte);
}

void lcdWrite(int num) {
  lcd.write(byte(num));
}

void cur(int x, int y) {
  lcd.setCursor(x, y);
}

// void checkPipeAvailable(int pipeNumx, int pipeNumy) {
// int randomPos = random(0, 1);
//   if (pipeNumx == -15) {
//     pipeNumx = 0;
//     pipeNumy = randomPos;
//     cur((pipeNumx + 16), pipeNumy);
//   }
//   if (pipeNumy == 0) {
//     cur((pipeNumx + 16), pipeNumy);
//     lcdWrite(1);
//   }
//   else {
//       cur((pipeNumx + 16), pipeNumy);
//       lcdWrite(2);
//     }
// }