#include <LiquidCrystal.h>
#include <LedControl.h>
#include <IRremote.h>
//add pins for sensors and actuators
int RECV_PIN = (13);
int rcode;
int seljoy = (A0);
uint8_t joyconx = (A2);
float x;
uint8_t joycony = (A1);
float y;
LedControl lc(6,4,5,1);
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
//setup rows and columns for lc
int row = 3;
int column = 3;
int row2;
int column2;
//setup lc lights on
bool LEDON1 = true;
bool LEDON2 = true;
bool LEDON3 = true;
bool LEDON4 = true;
//setup remote code values
int RUP = 4244832000;
int RDOWN = 173808000;
int RLEFT = 534839040;
int RRIGHT = 1871773440;
//sets the staring condition
bool joy = true;
void setup() {
  lcdstart();
  Serial.begin(9600);
  IrReceiver.begin(RECV_PIN);
  lcd.setCursor(0,0);
  lcd.print("joystick mode");
  lc.shutdown(0,false);
  lc.setIntensity(0,0);
  lcclear();
  pinMode(seljoy, INPUT_PULLUP);
}
int joyposition(float z){
  if (z>=9) {
    return 7;
  }
  else if (z>=8) {
    return 6;
  }
  else if (z>=7) {
    return 5;
  }
  else if (z>=6) {
    return 4;
  }
  else if (z<=1) {
    return -1;
  }
  else if (z<=2) {
    return 0;
  }
  else if (z<=3) {
    return 1;
  }
  else if (z<=4) {
    return 2;
  }
  else {
    return 3;
  }
}
void loop() {
  lcclear();
  set2();
  square();
  if (digitalRead(seljoy) == LOW) {
    modeswap();
    delay (500);
  }
  if (IrReceiver.decode()) {
    rcode = IrReceiver.decodedIRData.command;
    Serial.print(rcode);
    IrReceiver.resume(); // ready to receive next value
    if (rcode == 162) {
      modeswap();
    }
    if (!joy) {
      recmode();
    }
  }
  if (joy) {
    joymode();
  }
  delay(10);
}
void lcdstart() {
  lcd.begin(16,2); //16 by 2 screen
  lcd.print("Hello World"); // displays in an intro message
  delay(500);
  lcd.clear();
}
void lcclear() {
  lc.clearDisplay(0);
}
void set2() {
  row2 = row+1;
  column2 = column+1;
}
void square() {
  lc.setLed(0,row,column,LEDON1);
  lc.setLed(0,row2,column,LEDON2);
  lc.setLed(0,row,column2,LEDON3);
  lc.setLed(0,row2,column2,LEDON4);
}
void modeswap() {
  lcd.clear();
  lcd.setCursor(0,0);
  if (joy) {
    joy = false;
    row = column = 3;
    lcd.print("reciver mode");
  }
  else {
    joy = true;
    lcd.print("joystick mode");
  }
}
void joymode() {
  //tsjoy();
  x = (abs(((map(analogRead(joyconx), 0, 1023, -10, 10)) / 2) - 5));
  y = (((map(analogRead(joycony), 0, 1023, -10, 10)) / 2) + 5);
  row = joyposition(x);
  column = joyposition(y);
}
void recmode() {
  //tsrec();
  if (rcode == 144 && column > -1) {
    column = column - 1;
    delay(250);
  }
  if (rcode == 224 && column < 7) {
    column = column + 1;
    delay(250);
  }
  if (rcode == 2 && row > -1) {
    row = row - 1;
    delay(250);
  }
  if (rcode == 152 && row < 7) {
    row = row + 1;
    delay(250);
  }
  if (rcode == 168) {
    row = column = 3; 
    delay(250);   
  } 
  if (rcode == 34) {
    showshape();
  }
  if (rcode == 194) {
    showshape2();
  }
}
void tsjoy() {
  Serial.print("x:");
  Serial.println(x);
  Serial.print("y: ");
  Serial.println(y);
  delay(1000);
}
void tsrec() {
  Serial.print("Received Code: ");
  Serial.println(rcode);
  Serial.print("Row: ");
  Serial.println(row);
  Serial.print("Column: ");
  Serial.println(column);
}
void showshape() {
    //Moving car
    byte b1[8]= {0x00,0x00,0x00,0x00,0x18,0x3C,0x18,0x3C};
    byte b2[8]= {0x00,0x00,0x00,0x18,0x3C,0x18,0x3C,0x00};
    byte b3[8]= {0x00,0x00,0x18,0x3C,0x18,0x3C,0x00,0x00};
    byte b4[8]= {0x00,0x18,0x3C,0x18,0x3C,0x00,0x00,0x00};
    byte b5[8]= {0x18,0x3C,0x18,0x3C,0x00,0x00,0x00,0x00};
    byte b6[8]= {0x3C,0x18,0x3C,0x00,0x00,0x00,0x00,0x18};
    byte b7[8]= {0x18,0x3C,0x00,0x00,0x00,0x00,0x18,0x3C};
    byte b8[8]= {0x3C,0x00,0x00,0x00,0x00,0x18,0x3C,0x18};


    //Moving car
    printByte(b1);
    delay(50);
    printByte(b2);
    delay(50);
    printByte(b3);
    delay(50);
    printByte(b4);
    delay(50);
    printByte(b5);
    delay(50);
    printByte(b6);
    delay(50);
    printByte(b7);
    delay(50);
    printByte(b8);
    delay(50);
}
void printByte(byte character []) {
  int i = 0;
  for(i=0;i<8;i++)
  {
    lc.setRow(0,i,character[i]);
  }
}
void showshape2() {
  byte smile[8]=   {0x3C,0x42,0xA5,0x81,0xA5,0x99,0x42,0x3C};
  printByte(smile);
  delay(1500);
}