#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define BLACK 0x000 //define Colors
#define GREY 0x7BEF
#define GREEN 0x05E0
#define YELLOW 0xFFE0
#define RED 0xF800
#define BLUE 0x07FF
#define CYAN 0x07FF
#define WHITE 0xFFFF

#define TFT_DC 9 //define Display
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define f_SEL 2
#define f_XJOY A0
#define f_YJOY A1
int xplane;
int yplane;
bool f_crash;
int f_speed=200;
int xcloud;
int ycloud;
int xbuilding;
int ybuilding;

void setup() {
  Serial.begin(9600);
  tft.begin();
  pinMode(f_SEL, INPUT_PULLUP);
  home_screen();
}

void loop(void) {
  if (digitalRead(f_SEL) == LOW){
   start(); //Start the Game
  }
}

void home_screen(){
  tft.fillRect(0,0,240,300,BLUE); //Displaybreite 240 und Höhe des Himmels 300
  tft.fillRect(0,300,240,20,GREEN); //Displaybreite 240 und Höhe des Bodens 20 -> Gesamthöhe Display 320
  create_cloud(160,20); //Create Cloud (X-Coordinate, Y-Coordinate)
  create_cloud(40,40); //Create Cloud (X-Coordinate, Y-Coordinate)
  create_building(150,110); //Create Building (X-Coordinate, Y-Coordinate)
  create_building(40,140); //Create Building (X-Coordinate, Y-Coordinate)
  create_plane(30,105); //Create Plane (X-Coordinate, Y-Coordinate) 105 60-295
  tft.setTextColor(GREY); //Create Text: "Flappy Plane"
  tft.setTextSize(4);
  tft.setCursor(10,10);
  tft.println("FLAPPY");
  tft.setCursor(60,45);
  tft.println("PLANE!");
}

void create_plane(int X_coord,int Y_coord){
  tft.fillRect(xplane,yplane-20,90,45,BLUE);
  tft.fillRoundRect(X_coord,Y_coord,90,25,11,WHITE); //Create Body
  tft.drawRoundRect(X_coord,Y_coord,90,25,11,BLACK); //Create Border for Body
  tft.fillTriangle(X_coord+9,Y_coord,X_coord+5,Y_coord-19,X_coord+22,Y_coord,WHITE); //Create Aileron
  tft.drawTriangle(X_coord+8,Y_coord,X_coord+4,Y_coord-20,X_coord+22,Y_coord,BLACK); //Create Border for Aileron
  tft.drawTriangle(X_coord+30,Y_coord+15,X_coord+55,Y_coord+15,X_coord+55,Y_coord+20,BLACK); //Create Wing
  tft.fillTriangle(X_coord+78,Y_coord+3,X_coord+78,Y_coord+10,X_coord+85,Y_coord+10,BLACK); //Create front Window
  for(int k=0; k<=5; k++){ //Create rear Windows
   tft.fillCircle(X_coord+18+(k*10),Y_coord+8,2,BLACK);
  }
  xplane=X_coord;
  yplane=Y_coord;
}

void create_cloud(int X_coord,int Y_coord){
  tft.fillRoundRect(X_coord,Y_coord,55,20,10,WHITE); //Cloud middle
  tft.fillCircle(X_coord+38,Y_coord-2,8,WHITE); //Cloud top right
  tft.fillCircle(X_coord+22,Y_coord,15,WHITE); //Cloud top left
  tft.fillCircle(X_coord+20,Y_coord+20,15,WHITE); //Cloud bottom left
  tft.fillCircle(X_coord+40,Y_coord+20,8,WHITE); //Cloud bottom right
  xcloud=X_coord;
  ycloud=Y_coord;
}

void create_building(int X_coord,int Y_coord){
  tft.fillRect(X_coord,Y_coord,40,350,GREY); //Create left Block
  tft.drawRect(X_coord,Y_coord,40,350,BLACK); //Create Border for left Block
  tft.fillTriangle(X_coord+40,Y_coord,X_coord+65,Y_coord+13,X_coord+40,Y_coord+13,GREY); //Create right Block
  tft.fillRect(X_coord+40,Y_coord+14,26,350,GREY); //Create right Block
  tft.drawLine(X_coord+40,Y_coord,X_coord+65,Y_coord+13,BLACK); //Create Borders for right Block
  tft.drawLine(X_coord+65,Y_coord+13,X_coord+65,Y_coord+350,BLACK);
  //tft.drawLine(X_coord+40,Y_coord+179,X_coord+65,Y_coord+179,BLACK);
  for(int i=1; i<=30; i++){ //Create Windows for Building
    for(int j=1; j<=3; j++){
      tft.fillRect(X_coord+10*j-2,Y_coord+10*i-5,5,5,BLACK);
    }
    for(int k=1; k<=2; k++){
      tft.fillRect(X_coord+10*k+35,Y_coord+(10*i+k*5)-5,5,5,BLACK);
    }
  }
  xbuilding=X_coord;
  ybuilding=X_coord;
}

void start(){
  tft.fillRect(0,0,240,300,BLUE); //Displaybreite 240 und Höhe des Himmels 150
  tft.fillRect(0,300,240,20,GREEN); //Displaybreite 240 und Höhe des Himmels 170 -> Gesamthöhe Display 320
  create_cloud(160,20); //Create Cloud (X-Coordinate, Y-Coordinate)
  create_cloud(40,40); //Create Cloud (X-Coordinate, Y-Coordinate) 
  while(f_crash==false){
    while (analogRead(f_XJOY)<600&&f_crash==false){ 
      create_plane(xplane,yplane+10);
      delay(f_speed);
      crashed();
    }
    while(analogRead(f_XJOY)>600&&f_crash==false){
      if(yplane>50){
        create_plane(xplane,yplane-10);
        delay(f_speed);
      }
    }
  }
}

void crashed(){
  if(yplane>270){
    f_crash=true;
    yplane=105;
    game_over();
  }
  else{
    f_crash=false;
  }
}

void game_over(){
  tft.fillScreen(GREY);
  tft.setTextColor(RED);
  tft.setTextSize(4);
  tft.setCursor(50,45);
  tft.println("Game");
  tft.setCursor(100,80);
  tft.println("Over!");
}