int active[3][3];
String incoming;
int playerPosY = 2;
int playerPosX = 2;
int count;
String sache;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);

  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  active[1][0] = 2;
  active[1][2] = 2;
  Serial.println("Hier w, a, s oder d eingeben");
}

void loop(){
  lamp(playerPosY,playerPosX,true,true);
  for(int b=0;b<3;b++){
    for(int v=0;v<3;v++){
      if(active[b][v]==1){
        digitalWrite(b+5, HIGH);
        digitalWrite(v+8, HIGH);

        digitalWrite(b+5, LOW);
        digitalWrite(v+8, LOW);
      }
      if(active[b][v]==2||active[b][v]==3){
        if(active[b][v]==2){
          digitalWrite(b+5, HIGH);
          digitalWrite(v+8, HIGH);

          digitalWrite(b+5, LOW); 
          digitalWrite(v+8, LOW); 
        }
        count++;
        delay(1);
        if(count>=250&&active[b][v]==2){
          active[b][v]=3;
          count = 0;
        }
        else if(count>250&&active[b][v]==3){
          active[b][v]=2;
          count = 0;
        }
      }
    }
  }
  if(Serial.available() != 0){
      incoming = Serial.readString();
      incoming.trim();
      
      if(incoming=="w"&&playerPosY+1<4){
        playerPosY++;
      }
      else if(incoming=="a"&&playerPosX-1>0){
        playerPosX--;
      }
      else if(incoming=="s"&&playerPosY-1>0){
        playerPosY--;
      }
      else if(incoming=="d"&&playerPosX+1<4){
        playerPosX++;
      }

      Serial.end();
      Serial.begin(9600);
    }
}

void lamp(int i, int l, bool activate, bool clear){
  if(activate==true){
    active[i-1][l-1] = 1;
  }
  else if(activate==false){
    if(active[i-1][l-1]!=2&&active[i-1][l-1]!=3){
      active[i-1][l-1] = 0;
    }
  }

  if(clear==true){
    for(int p=1;p<4;p++){
      for(int u=1;u<4;u++){
        if(p!=i||u!=l){
          lamp(p,u,false,false);
        }
      }
    }
  }
}