//Libraries in use 

#include <Adafruit_GFX.h>         //used for Core Graphics Library when using the display
#include <Adafruit_SSD1306.h>     //used for Lower Level Graphic Library when using the specific display SSD 1306

//figures in byte arrays (that originally were saved as a PNG (-image)file and got converted to byte array form)
// 'Torro_Logo', 128x64px (X-axis x Y-axis in pixel)
const unsigned char bitmap_Torro_Logo [] PROGMEM = {
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x07, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x07, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x03, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x03, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x01, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xbc, 0x00, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x7c, 0xff, 0xff, 0xff, 0xff, 0x3e, 0x00, 0x7f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x1f, 0x7f, 0xff, 0xff, 0xfe, 0xf8, 0x00, 0x3f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x0f, 0x7f, 0xff, 0xff, 0xfe, 0xf0, 0x00, 0x1f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x01, 0xe7, 0xbf, 0xff, 0xff, 0xfd, 0xe7, 0x80, 0x0f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x07, 0xf3, 0xbf, 0xff, 0xff, 0xfd, 0xcf, 0xe0, 0x0f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x0f, 0xfc, 0xbf, 0xff, 0xff, 0xfd, 0x3f, 0xf0, 0x07, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x1f, 0xff, 0x3f, 0xff, 0xff, 0xfc, 0xff, 0xf8, 0x07, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x07, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x07, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x3f, 0xff, 0xf8, 0x3f, 0xfe, 0x0f, 0xff, 0xfc, 0x07, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x1f, 0xfe, 0x00, 0x1f, 0xf8, 0x00, 0x7f, 0xf8, 0x07, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x0f, 0xf0, 0x00, 0x07, 0xe0, 0x00, 0x3f, 0xf0, 0x07, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x07, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x07, 0xe0, 0x0f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x20, 0x00, 0x00, 0x02, 0x00, 0x00, 0x1f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x3f, 0x80, 0x00, 0xfe, 0x00, 0x00, 0x3f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x01, 0xe0, 0x03, 0xc0, 0x00, 0x00, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x07, 0xf8, 0x0f, 0xf0, 0x00, 0x01, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x03, 0xfc, 0x1f, 0xe0, 0x00, 0x03, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x67, 0x73, 0x00, 0x00, 0x1f, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x24, 0x12, 0x00, 0x00, 0x7f, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x1c, 0x1c, 0x00, 0x00, 0xff, 0xff, 0xff, 
	0xf5, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x0c, 0x18, 0x00, 0x03, 0xff, 0xff, 0xff, 
	0xf5, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x04, 0x10, 0x00, 0x07, 0xff, 0xff, 0xff, 
	0xf5, 0xc3, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x04, 0x10, 0x00, 0x1f, 0xff, 0xff, 0xff, 
	0xf5, 0xdb, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 
	0xff, 0xdf, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 
	0xff, 0xdf, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 
	0xff, 0xc7, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xdf, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x84, 0x01, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xdf, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0xc6, 0x01, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xdb, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0xc6, 0x01, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xc3, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x20, 0x01, 0xc7, 0x01, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x20, 0x00, 0xc6, 0x01, 0xff, 0xff, 0xff, 0xff, 
	0xe0, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0x30, 0x00, 0x00, 0x03, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x10, 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd8, 0x00, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xcc, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xe0, 0x0c, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 
	0xf9, 0xf3, 0xff, 0xbf, 0xff, 0xbf, 0xff, 0xeb, 0xf0, 0x0f, 0x00, 0x7c, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0xe1, 0xff, 0xbf, 0xff, 0xbf, 0xff, 0xeb, 0xff, 0xff, 0xff, 0xfe, 0xff, 0x87, 0xff, 0xff, 
	0xf6, 0xed, 0xc7, 0x0c, 0x78, 0x38, 0x74, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0x33, 0xff, 0xff, 
	0xf6, 0xed, 0xbb, 0xbb, 0xb3, 0x33, 0xb1, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xf9, 0xff, 0xff, 
	0xf6, 0xed, 0xfb, 0xbf, 0xb7, 0xb7, 0xb7, 0xff, 0xff, 0xff, 0xfe, 0xff, 0x9f, 0xfd, 0xff, 0xff, 
	0xf7, 0x5d, 0x83, 0xbc, 0x37, 0xb7, 0xb7, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xcf, 0xfd, 0xff, 0xff, 
	0xf7, 0x1d, 0xbb, 0xbb, 0xb7, 0xb7, 0xb7, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xe7, 0xf9, 0xff, 0xff, 
	0xf7, 0xbd, 0xbb, 0xbb, 0xb3, 0x37, 0xb7, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xf3, 0xfb, 0xff, 0xff, 
	0xf7, 0xbd, 0xc3, 0x8c, 0x38, 0xb8, 0x77, 0xff, 0xff, 0xff, 0xff, 0xdf, 0xf9, 0xe3, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xce, 0xfc, 0x0f, 0xff, 0xff, 
	0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0xff, 0xfe, 0xee, 0x7f, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xef, 0x37, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd, 0xe7, 0xb1, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf9, 0xf7, 0xdc, 0xff, 0x0f, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfb, 0xf7, 0xcf, 0x3f, 0x67, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfd, 0xe7, 0xe7, 0x8f, 0xf7, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xcf, 0xf7, 0xe3, 0xe7, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x1e, 0x72, 0x78, 0x0f, 0xff };
// 'Torro', 17x10px (X-axis x Y-axis in pixel)
const unsigned char bitmap_Torro [] PROGMEM = {
	0x0f, 0xfc, 0x00, 0x3f, 0xfe, 0x00, 0x7f, 0xff, 0x00, 0x00, 0x00, 0x00, 0x06, 0x30, 0x00, 0xc7, 
	0x71, 0x80, 0xf3, 0x67, 0x80, 0xf8, 0x0f, 0x80, 0xf9, 0x4f, 0x80, 0xfc, 0x0f, 0x80 };
// 'Mann', 10x10px (X-axis x Y-axis in pixel)
const unsigned char bitmap_Mann [] PROGMEM = {
	0xe1, 0xc0, 0xc0, 0xc0, 0x61, 0x80, 0x73, 0x80, 0x00, 0x00, 0xf3, 0xc0, 0xf3, 0xc0, 0xc0, 0xc0, 
	0xde, 0xc0, 0x1e, 0x00 };
// 'Mann2', 10x10px (X-axis x Y-axis in pixel)
const unsigned char bitmap_Mann2 [] PROGMEM = {
	0xe3, 0xc0, 0x61, 0x80, 0x63, 0x80, 0xb7, 0x40, 0xc0, 0xc0, 0xe1, 0xc0, 0xe1, 0xc0, 0xed, 0xc0, 
	0xed, 0xc0, 0xe4, 0xc0 };
// 'Herz', 10x10px (X-axis x Y-axis in pixel)
const unsigned char bitmap_Herz [] PROGMEM = {
	0xcc, 0xc0, 0xb3, 0x40, 0x7f, 0x80, 0x7f, 0x80, 0x7f, 0x80, 0x7f, 0x80, 0xbf, 0x40, 0xde, 0xc0, 
	0xed, 0xc0, 0xf3, 0xc0 };



//score, lives and gameState
unsigned int score = 0;           //game start value of score 
unsigned int lives = 3;           //game start value of lives
int gameState = LOW;              //might not be used 

//joystick
#define VERT_PIN A2               //vertical movement of the joystick
#define HORZ_PIN A3               //horizontal movement of the joystick
#define SEL_PIN  2                //pushbutton, to start the game (not yet programmed)

//Display
#define SCREEN_I2C_ADDR 0x3c      //0x3c, corresponding I2C address for display
#define SCREEN_WIDTH 128          //OLED display width, in pixels
#define SCREEN_HEIGHT 64          //OLED display height, in pixels
#define OLED_RST_PIN -1           //Reset pin (-1 if not available)

//figures variables/values
// 'Torro_Logo':
  int xTorro_Logo = 0;
  int yTorro_Logo = 0; 
// 'The Player - Torro':
  float xTorro = 64;   
  float yTorro =53;   
  int  wTorro = 17; 
  int hTorro = 10; 
// 'Falling Herz':
  int xHerz = random(0,111);
  float yHerz = 0; 
  int wHerz = 10; 
  int hHerz = 10; 
// 'Falling Mann':
  int xMann = random(0,111);
  float yMann = 0; 
  int wMann = 10; 
  int hMann = 10; 
// 'Falling Mann2':
  int xMann2 = random(0,111);
  float yMann2 = 0; 
  int wMann2 = 10; 
  int hMann2 = 10; 

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RST_PIN);  //function to active the screen
//Adafruit_SSD1306 display (var for width, var for height, &Wire, Restart pin OR -1)


void setup () 
{//BEGINNING OF VOID SETUP FUNCTION
    Serial.begin(9600);                             //function to start communication with interface monitor 
  	display.begin(SSD1306_SWITCHCAPVCC, 0x3C);      //function to begin the specific deisplay type
    display.clearDisplay();                         //function to clear display, to start clean
    delay(1000);                                    // optional for simulations not necessary

//Intro (distplay logo and written text)
display.drawBitmap(xTorro_Logo ,yTorro_Logo ,bitmap_Torro_Logo , 128, 64, bitmap_Torro_Logo, WHITE);
    display.display();                              //function to display written code 
    delay(2500);
    display.clearDisplay();
    
    // Display static text
    display.setTextSize(2);                          //function to declare text size
    display.setTextColor(WHITE);                     //function to choose text color 
    display.setCursor(0, 10);                        //function to declare position of text
    display.println("Game Time!");                   //function to print string followed by with change of lines
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(0, 45);
    display.println("Ready?!");
    display.display ();
  delay(2000);
  

//declaration of joystick pins/switch button
  pinMode(VERT_PIN, INPUT);                         // pinMode (variable name of analog pin, INPUT or OUTPUT)
  analogWrite(VERT_PIN, LOW);                       //analogWrite (variable name of analog pin, LOW or HIGH)
  pinMode(HORZ_PIN, INPUT);
  analogWrite(HORZ_PIN, LOW);
  pinMode(SEL_PIN, INPUT);
  digitalWrite(SEL_PIN, LOW);                       //digitalWrite (variable name of digital pin, LOW or HIGH)

//randomize number
randomSeed(analogRead(0));                          //setup to generate random number, only if A0 is not connected 
}//END OF VOID SETUP FUNCTION

void loop() 
{//BEGINNING OF VOID LOOP FUNCTION
display.clearDisplay ();
// Check Game Over
if (lives <= 0) 
    {gameOver();
    return;}
    
// calling functions 
score_lives();
joystickControl();
fall();
CollisionMann ();
CollisionMann2 ();
CollisionHerz ();

display.display();  
}//END OF VOID LOOP FUNCTION


void score_lives () 
{//BEGINNING OF VOID SCORE_LIVES FUNCTION
//Display Score and Lives
 display.setTextSize(0);
  display.setTextColor(WHITE);
  display.setCursor(0, 0);                         //declare position where the following should be printed to on the display
  display.print("Score: ");                        //print onto display the string "Score: "
  display.print(score);                            //print onto display the variable "score"
  display.setCursor(70, 0);
  display.print("Lives: ");
  display.print(lives);
 
}//END OF VOID SCORE_LIVES FUNCTION

void joystickControl() 
{// BEGINNING OF VOID JOYSTICKCONTROL FUNCTION 
// reading of the joystick (current on pin)
display.drawBitmap(xTorro ,yTorro ,bitmap_Torro , 17, 10, bitmap_Torro, WHITE);
  int joystickV = map(analogRead(VERT_PIN), 0,1023,-1,1); 
  int joystickH = map(analogRead(HORZ_PIN), 0,1023, -1, 1);
  bool currSelPressed = digitalRead(SEL_PIN);

// controlling of the Torro
  /*switch (currSelPressed) //switch-function gameState HIGH or LOW  ------> NOT YET PROGRAMMED AND OPERATIONAL 
   {case HIGH: 
    if (gameState != currSelPressed) 
   {gameState = HIGH;}
    break; 
    case LOW: 
    if (gameState == currSelPressed)
    {gameState = LOW;}
    break;}*/

  switch (joystickV) //switch-function for up/down movement
    {case 1: //hoch
    if( 50 < yTorro)
    {yTorro-=5;}
    break;
    case -1: //runter
    if (yTorro < 54)
    {yTorro+=5;}
     break; }
  
  
  switch (joystickH) //switch-function for right/left movement
   {case 1: //links 
    if (0 < xTorro) 
    {xTorro-=5;}
    break;
    case -1: //rechts
    if (xTorro < 111) 
    {xTorro+=5;}
    break;}
 
}//END OF VOID JOYSTICKCONTROL FUNCTION 

void fall () 
{// BEGINNING OF VOID FALL FUNCTION 
// Figure: Mann fall
display.drawBitmap(xMann,yMann,bitmap_Mann, 10, 10, bitmap_Mann, WHITE);
  if (yMann > 54) // fall until catch or game over
     {yMann = 0;}
  if (yMann == 0)  // start a new fall 
     {xMann = random(0,111);}  
  yMann += (1);

// Figure: Mann2 fall
display.drawBitmap(xMann2,yMann2,bitmap_Mann2, 10, 10, bitmap_Mann2, WHITE);
  if (yMann2 > 250) // fall until catch or game over
     {yMann2 = 0;}
  if (yMann2 == 0)  // start a new fall 
     {xMann2 = random(20,91);}  
  yMann2 += (1.5);

// Figure: Herz fall 
display.drawBitmap(xHerz,yHerz,bitmap_Herz, 10, 10, bitmap_Herz, WHITE);
  if (yHerz > 500) // fall until catch or game over
     {yHerz = 0;}
  if (yHerz == 0)  // start a new fall 
     {xHerz = random(0,111);}
  yHerz+= (2);
}// END OF VOID FALL FUNCTION 


boolean CollisionMann() 
{//BEGINNING OF BOOLEAN COLLISIONMANN FUNCTION
  if (xTorro + wTorro >= xMann &&    // r1 right edge past r2 left
      xTorro <= xMann + wMann &&    // r1 left edge past r2 right
      yTorro + hTorro >= yMann &&    // r1 top edge past r2 bottom
      yTorro <= yMann + hMann) 
      {score++;
      yMann = 0; 
      return true;
      }
    else 
      if (yMann == 54)
       {lives--;}
   return false;
   }// END OF BOOLEAN COLLISIONMANN FUNCTION

boolean CollisionMann2() 
{//BEGINNING OF BOOLEAN COLLISIONMANN2 FUNCTION
  if (xTorro + wTorro >= xMann2 &&    // r1 right edge past r2 left
      xTorro <= xMann2 + wMann2 &&    // r1 left edge past r2 right
      yTorro + hTorro >= yMann2 &&    // r1 top edge past r2 bottom
      yTorro <= yMann2 + hMann2) 
      {score++;
      yMann2 = 0; 
      return true;
      }
    else 
      if (yMann2 == 54)
       {lives--;}
   return false;
   }// END OF BOOLEAN COLLISIONMANN2 FUNCTION

boolean CollisionHerz () 
{// BEGINNING OF BOOLEAN COLLISION HERZ FUNCTION 
if (xTorro + wTorro >= xHerz &&    // r1 right edge past r2 left  
      xTorro <= xHerz + wHerz &&    // r1 left edge past r2 right
      yTorro + hTorro >= yHerz &&    // r1 top edge past r2 bottom
      yTorro <= yHerz + hHerz) 
      {lives++;
      yHerz = 0; 
      return true;
      }
    return false; 
}// END OF BOOLEAN COLLISION HERZ FUNCTION 


void gameOver() 
{// BEGINNING OF VOID GAMEOVER FUNCTION 
    display.clearDisplay();
    display.setTextSize(2);
    display.setTextColor(WHITE);
    display.setCursor(0, 20);
    display.println("Game Over!");
    display.setTextSize(1);
    display.setCursor(20, 40);
    display.print("Final Score: ");
    display.print(score);
    display.display();
    delay(5000); // Wait before restarting
    lives = 3; // Reset lives
    score = 0; // Reset score
    yMann = yHerz = 0; // Reset positions
}// END OF VOID GAMEOVER FUNCTION 

// END OF GAME CODE