/*
    ARDUINO BOY
    
    Christian Hadiwijaya / 2306161952

    This is a simple game console that can run 3 games: Tetris, Snake, and "Pacman".
    The games are controlled using 4 buttons: Up, Down, Left, and Right.

    The games are displayed on a 20x4 LCD screen.

    CONTROLS:
        MENU: 
            - Up and Down for selecting the game
            - Right for confirming the game
        TETRIS:
            - Left and Right for moving the block
            - Up for rotating the block
            - Down for speeding up the block
        SNAKE:
            - Up, Down, Left, and Right for moving the snake
        PACMAN:
            - Up, Down, Left, and Right for moving the pacman
*/

#include "deviceSetup.h"
#include "tetris.h"
#include "snake.h"
#include "pacman.h"

byte gameTitle[4][8] = {
    {B00000,
     B00000,
     B11111,
     B10001,
     B10101,
     B11101,
     B00000,
     B00000},
    {B00000,
     B00000,
     B11110,
     B01001,
     B01001,
     B11110,
     B00000,
     B00000},
    {B00000,
     B00000,
     B11110,
     B00001,
     B11110,
     B00001,
     B11110,
     B00000},
    {B00000,
     B00000,
     B11111,
     B10101,
     B10101,
     B10101,
     B00000,
     B00000}};

byte tetrisIcon[] = {
    B11000,
    B11000,
    B11000,
    B11111,
    B11111,
    B11000,
    B11000,
    B11000};

byte snakeIcon[] = {
  B10000,
  B11000,
  B01110,
  B00011,
  B00011,
  B00000,
  B00100,
  B00000};

byte cursor[]{
    B00000,
    B00000,
    B10001,
    B10001,
    B01010,
    B00100,
    B00000,
    B00000};

int selectedGame = 0;
bool gameSelected = false;

void setup() {
    pinMode(buttonLeft, INPUT);
    pinMode(buttonRight, INPUT);
    pinMode(buttonDown, INPUT);
    pinMode(buttonUp, INPUT);

    Serial.begin(9600);
    lcd.begin(20, 4);
    lcd.backlight();
    randomSeed(analogRead(1));

    printTitle();
}

void loop() {
    int downState = digitalRead(buttonDown);
    int upState = digitalRead(buttonUp);
    int confirmState = digitalRead(buttonRight);

    if (downState == HIGH) {
        selectedGame++;
        if (selectedGame > 2) {
            selectedGame = 0;
        }
        lcd.clear();
        printTitle();
    }

    if (upState == HIGH) {
        selectedGame--;
        if (selectedGame < 0) {
            selectedGame = 2;
        }
        lcd.clear();
        printTitle();
    }

    if (confirmState == HIGH) {
        if (selectedGame == 0) {
            tetrisSetup();
            tetrisLoop();
        } else if (selectedGame == 1) {
          snakeSetup();
          snakeLoop();
        } else if (selectedGame == 2) {
          pacmanSetup();
          pacmanLoop();
        }
        lcd.clear();
        printTitle();
    }

    lcd.setCursor(10 - (selectedGame * 3), 1);
    lcd.write(6);

    delay(100);
}

void printTitle() {
      for (int i = 0; i < 4; i++) {
        lcd.createChar(i, gameTitle[i]);
                lcd.setCursor(15, i);
        lcd.write(i);
    }

    lcd.createChar(4, tetrisIcon);
    lcd.createChar(5, snakeIcon);
    lcd.createChar(6, cursor);
    lcd.createChar(7, pacmanIcon[1]);

    lcd.setCursor(10, 2);
    lcd.write(4);

    lcd.setCursor(7, 2);
    lcd.write(5);

    lcd.setCursor(4, 2);
    lcd.write(7);
}