FinalProject.java

import java.util.Scanner;
import java.util.Random;
//This is the final project program
public class FinalProject{

  public static int day=1;
  public static int hp=100;
  public static int food = 10;
  public static Boolean pistol = false;
  public static Boolean AutomaticRifle=false;
  public static int ammo = 0;
  public static int medicine = 5;
  public static int bandage=3;
  public static int valuables = 2;
  public static int Moral=100;
  public static Boolean sick=false;
  public static int hungry=10;
  public static Boolean FastRecover=false;
  public static Boolean injured=false;
  public static Boolean spyID=false;
  public static Boolean Cipher=false;
  public static Boolean Badge=false;
  public static Boolean TryEscape=false;

  /**
  This string array contains map information, with the capital
  letter denoting the type of buildings and small letter state
  of buildings
  */
  public static final String[][] Map=
  {
    {"Mw","Fn","Sn","Rr","Rr","Hw","Wt","Fr","Hr","Mr","Gr"},
    {"Mr","Mr","Dr","Tw","Rr","Fn","Tw","Rr","Fn","Aw","Wn"},
    {"Fn","Fn","Wr","Pr","Hr","Dr","Tw","Sw","Mr","Aw","Hw"},
    {"Tr","Hr","Fn","Fn","Fw","Rr","Fw","Or","Or","Dw","Ow"},
    {"Hn","Ar","Rr","Ar","Wt","Rr","Ww","Hr","Dn","Wn","Ow"},
    {"Wb","Ar","Rr","Wr","Ob","Pr","Wn","Fr","Pr","Wb","Mr"},
    {"An","Rr","Rr","Ow","Aw","On","Wt","Mr","Hr","Mr","Mr"},
    {"An","Rr","Rt","Sn","An","An","Dw","Ar","Tw","Pr","An"},
    {"Mr","On","On","Ow","An","On","Tw","Sn","Wr","Aw","An"},
    {"Hr","Sw","Wt","On","On","On","Tb","Aw","Dn","Fn","Sn"},
    {"Fn","Ar","Ar","Dn","Dr","An","Tn","Pr","Hr","Or","Wn"},
    {"An","Pr","Aw","Dw","Hr","At","Tn","Ar","Fw","Or","Pr"},
    {"An","An","At","Ar","Mr","Ft","On","Ar","Fw","Fw","Fb"},
    {"Ar","Ar","Sn","Ar","Rt","Ww","Wn","Ww","Fb","Pr","Fn"},
    {"Aw","Aw","Tn","Wt","Rr","Pr","Hr","Ww","Fn","Fn","Fw"}
  };
  //String[15][11]

  //All 12 types of buildings
  public static final String[] Btype={"T","M","A","F","W","S","O","R","P","H","D","G"};

  /**
  CurrentCoordinate represents the current coordinate of the player,
  with starting point at (14,0)
  */
  public static int[] CurrentCoordinate= {14,0};
  //{Y,X} This is the starting point of the player
  public static void main(String[] args){
    Introduction();
  /**
   for(int i=0;i<15;i++){
    for(int j=0;j<11;j++){
      System.out.print(Map[i][j]+" ");
    }
      System.out.println();
  }
*/
  /**
    Boolean Test=false;
    char M;
    while(Test!=true){
      System.out.printf("Please input a Char.%nL for moving leftward; R for moving rightward; U for moving upwards; and D for moving downwards.%n");
       Scanner s = new Scanner(System.in);
       M=s.nextLine().charAt(0);
       Test=Move(M);
    }
    System.out.println("After the move, current coordinate is ("+CurrentCoordinate[1]+","+CurrentCoordinate[0]+")");
    */
    //Previous Codes are used to test whether subroutine M works properly.

    do{
      Scanner s = new Scanner(System.in);
      PlayerStatus();
      PositionReport();
      System.out.println("Please enter a char to move. U for upwards, D for downwards, L for Leftwards and R for rightwards.");
      Boolean ValidMove=true;
      do{
      //  char M=s.nextLine().charAt(0);
        ValidMove=Move(s.nextLine().charAt(0));
      }while(!ValidMove);
      PositionReport();
      PlayerStatus();
      action();
      sleep();
    }while(!win());
    End();
  }

  /**
  This subroutine is used for player movement.
  @param M the player's input, if valid it will change current CurrentCoordinate
  @return return true, if the movement is valid; otherwise, false
  */
  public static Boolean Move(char M){
    //Input a char M input this subroutine as command of movement. If the movement is valid, it will change current CurrentCoordinate and return true.

    if (CurrentCoordinate[1]==0 && M=='L'){
      System.out.println("You cannot go further left. Input again:");
      return false;
    } else if (CurrentCoordinate[1]==10 && M=='R'){
      System.out.println("You cannot go further right. Input again:");
      return false;
    } else if (CurrentCoordinate[0]==14 && M=='D'){
      System.out.println("You cannot go further down. Input again:");
      return false;
    } else if (CurrentCoordinate[0]==0 && M=='U'){
      System.out.println("You cannot go further up. Input again:");
      return false;
    } else {
      if (M=='U'){
        CurrentCoordinate[0]-=1;
        return true;
      }else if(M=='D'){
        CurrentCoordinate[0]+=1;
        return true;
      }else if(M=='L'){
        CurrentCoordinate[1]-=1;
        return true;
      }else if(M=='R'){
        CurrentCoordinate[1]+=1;
        return true;
      }else {
        System.out.println("Illegal input. Input again:");
        return false;
      }
    }
  }

/**
  This method is used to check whether current building type matches one of those inputed by the array
  @param CurrentBtype A String that contains the building type of Reznov's current position.
  @return A boolean that will be used in an if conditional to judge whether following codes will be executed
*/
  public static Boolean CheckPosition(String[] input){
    String CurrentBtype=String.valueOf((Map[CurrentCoordinate[0]][CurrentCoordinate[1]]).charAt(0));
    for(int i=0;i<input.length;i++){
      if(CurrentBtype.equals(input[i])){
        return true;
      }
    }
    return false;
  }

/**
  This method is used to check whether current building status matches one of those inputed by the array
  @param CurrentBstatus A String that contains the building status of Reznov's current position.
  @return A boolean that will be used in an if conditional to judge whether following codes will be executed
*/
  public static Boolean CheckStatus(String[] input){
    String CurrentBstatus=String.valueOf((Map[CurrentCoordinate[0]][CurrentCoordinate[1]]).charAt(1));
    for(int i=0;i<input.length;i++){
      if(CurrentBstatus.equals(input[i])){
        return true;
      }
    }
    return false;
  }

/**
  This method will print out all actions available at Reznov's current position.
  @return Return an array of available choice No.
*/
  public static int[] PrintAction(){
    String available="";
    if(CheckPosition("T A F W S O R P H D".split("\\s+"))){
      System.out.println("1.Scavenge");
      available+="1 ";
    }
    if(CheckPosition("T A F W S O R H D".split("\\s+"))&&CheckStatus("r".split("\\s+"))){
      System.out.println("2.Steal");
      available+="2 ";
    }
    if(CheckStatus("t".split("\\s+"))){
      System.out.println("3.Trade");
      available+="3 ";
    }
    if(CheckPosition("P".split("\\s+"))){
      System.out.println("4.Fast Travel");
      available+="4 ";
    }
    if(true){
      System.out.println("5.Do Nothing");
      available+="5 ";
    }
    if((CheckPosition("T A F W S O R H D".split("\\s+"))&&CheckStatus("b".split("\\s+")))||(CheckPosition("M".split("\\s+"))&&CheckStatus("r".split("\\s+")))){
      System.out.println("6.Stealth in and try to find supplies.");
      available+="6 ";
    }
    if(CheckPosition("H".split("\\s+"))&&CheckStatus("r".split("\\s+"))&&(injured||sick)){
      System.out.println("7.Ask doctors inside to cure your disease and bandage your injuries to make you recover.");
      available+="7 ";
    }
    if(CheckPosition("D".split("\\s+"))&&CheckStatus("r".split("\\s+"))){
      System.out.println("8.Ask priests for material relief.");
      available+="8 ";
    }
    if(CheckPosition("D".split("\\s+"))&&CheckStatus("r".split("\\s+"))){
      System.out.println("9.Ask priests for mental relief.");
      available+="9 ";
    }
    if(CheckPosition("G".split("\\s+"))){
      System.out.println("10.Try to cheat rebel checkpoints and sneak out of the city");
      available+="10 ";
    }
    String[] Raw1=available.split("\\s+");
    int[] output=new int[Raw1.length];
    for(int j=0;j<output.length;j++){
      output[j]=Integer.parseInt(Raw1[j]);
    }
    return output;
  }

/**
  This method will check whether the No. input by players is among those available choices.
  @param decision Choice made by Players.
  @param PossibleDecision The integer array produced by PrintAction().
  @return A Boolean value of true or false.
*/
  public static Boolean CheckAvailable(int decision,int[] PossibleDecision){
    for(int k=0;k<PossibleDecision.length;k++){
      if(decision==PossibleDecision[k]){
        return true;
      }
    }
    return false;
  }
/**
  This method is used for the action stage in game.
  @return This method does not need to return.
*/
  public static void action(){
    System.out.printf("Time to do something....%n");
    System.out.printf("You need to make a choice among actions available in your current position. If you have decided, enter the number before the choice to choose. Choose wisely.%n");
    Scanner y=new Scanner(System.in);
    int[] Available=PrintAction();
    int choice=0;
    while(!CheckAvailable(choice,Available)){
      System.out.println("Please input the No. you decide which is in font of available choices.");
      choice=TextIO.getlnInt();
    }
    switch(choice){
      case 1:
        Scavenge();
        break;
      case 2:
        Steal();
        break;
      case 3:
        Trade();
        break;
      case 4:
        Teleport();
        break;
      case 5:
        break;
      case 6:
        Stealth();
        break;
      case 7:
        DocHeal();
        break;
      case 8:
        AskR();
        break;
      case 9:
        AskM();
        break;
      default:
        Escape();
        break;
    }
  }

/**
  Method to run when players choose to scavenge.
  T A F W S O R P H D
  @return No returns
*/
  public static void Scavenge(){
    int foodbuff=0;
    int medicinebuff=0;
    int weaponbuff=0;
    int bandagebuff=0;
    int valuablesbuff=0;
    int ammobuff=0;
    int IDbuff=0;
    int DiseaseChance=0;
    int BadgeBuff=0;
    switch(String.valueOf((Map[CurrentCoordinate[0]][CurrentCoordinate[1]]).charAt(0))){
      case "T":
        foodbuff+=5;
        medicine+=2;
        bandagebuff+=2;
        weaponbuff+=0;
        valuablesbuff+=1;
        ammobuff+=0;
        BadgeBuff-=1;
        IDbuff-=1;
        break;
      case "A":
        foodbuff+=3;
        medicine+=2;
        bandagebuff+=2;
        weaponbuff+=0;
        valuablesbuff+=2;
        ammobuff+=1;
        IDbuff-=1;
        BadgeBuff-=1;
        break;
      case "F":
        foodbuff-=5;
        medicine+=3;
        bandagebuff+=4;
        weaponbuff+=0;
        valuablesbuff-=5;
        ammobuff-=3;
        BadgeBuff-=1;
        IDbuff-=1;
        break;
      case "W":
        foodbuff+=2;
        medicine+=6;
        bandagebuff+=6;
        weaponbuff+=3;
        valuablesbuff+=3;
        ammobuff+=2;
        BadgeBuff+=0;
        IDbuff+=0;
        break;
      case "S":
        foodbuff+=0;
        medicine+=3;
        bandagebuff+=3;
        weaponbuff-=5;
        valuablesbuff+=1;
        ammobuff-=5;
        IDbuff-=1;
        BadgeBuff-=1;
        break;
      case "O":
        foodbuff+=1;
        medicine+=0;
        bandagebuff+=0;
        weaponbuff-=5;
        valuablesbuff+=5;
        ammobuff-=5;
        BadgeBuff-=1;
        IDbuff+=1;
        break;
      case "R":
        foodbuff-=7;
        medicine-=7;
        bandagebuff-=7;
        weaponbuff-=7;
        valuablesbuff-=7;
        ammobuff-=7;
        IDbuff+=3;
        BadgeBuff+=1;
        DiseaseChance-=6;
        break;
      case "P":
        foodbuff-=7;
        medicine-=7;
        bandagebuff-=7;
        weaponbuff-=5;
        valuablesbuff+=3;
        ammobuff-=5;
        IDbuff+=2;
        BadgeBuff+=2;
        DiseaseChance-=4;
        break;
      case "H":
        foodbuff+=1;
        medicine+=5;
        bandagebuff+=5;
        weaponbuff-=5;
        valuablesbuff-=3;
        ammobuff-=5;
        IDbuff-=1;
        BadgeBuff-=1;
        DiseaseChance+=4;
        break;
      default:
        foodbuff+=1;
        medicine+=5;
        bandagebuff+=5;
        weaponbuff-=5;
        valuablesbuff-=3;
        ammobuff-=5;
        IDbuff-=1;
        BadgeBuff-=1;
        DiseaseChance+=2;
        break;
    }
    switch(String.valueOf((Map[CurrentCoordinate[0]][CurrentCoordinate[1]]).charAt(1))){
      case "w":
        foodbuff-=1;
        medicine-=1;
        bandagebuff-=1;
        weaponbuff-=1;
        valuablesbuff-=1;
        ammobuff-=1;
        IDbuff+=0;
        DiseaseChance+=0;
        break;
      case "r":
        foodbuff-=2;
        medicine-=2;
        bandagebuff-=2;
        weaponbuff-=2;
        valuablesbuff-=2;
        ammobuff-=2;
        IDbuff+=0;
        DiseaseChance-=2;
        break;
      case "n":
        foodbuff+=0;
        medicine+=0;
        bandagebuff+=0;
        weaponbuff+=0;
        valuablesbuff+=1;
        ammobuff+=0;
        IDbuff+=0;
        DiseaseChance+=0;
        break;
      default:
        foodbuff-=2;
        medicine-=2;
        bandagebuff-=2;
        weaponbuff-=2;
        valuablesbuff-=2;
        ammobuff-=2;
        IDbuff+=0;
        DiseaseChance-=2;
        break;
    }
    System.out.printf("After searching for a long time, you stop scavenging and examine what you found.%n");
    AddFood(foodbuff);
    AddMedicine(medicinebuff);
    AddBandage(bandagebuff);
    AddValuables(valuablesbuff);
    AddAmmo(ammobuff);
    AddWeapon(weaponbuff);
    getDisease(DiseaseChance);
    getID(IDbuff);
    getBadge(BadgeBuff);
  }

  /**
    pick a random element of a list of Strings
    @param list the array of Strings
    @return a randomly selected member of the list
  */
  public static String pickRandom(String[] list){
    Random f = new Random();
    int k = f.nextInt(list.length);
    return list[k];
  }

/**
  The method that will be executed when players choose to steal.
  @return no returns
*/
  public static void Steal(){
    int foodbuff=0;
    int medicinebuff=0;
    int weaponbuff=0;
    int bandagebuff=0;
    int valuablesbuff=0;
    int ammobuff=0;
    int stealBuff=2;
    String[] steal={
      "'Stealing, of course, is a crime, and a very impolite thing to do. But like most impolite things, it is excusable under certain circumstances.' --Lemony Snicket",
      "'If you don't get caught, you deserve everything you steal.' --Daniel Nayeri",
      "'Stealers, keepers.' --Ilona Andrews",
      "'Clothes make the man. Especially the pockets.' --Ljupka Cvetanova",
      "'Taking books can't be counted as stealing...for a scholar...can't be counted as stealing.' --Yiji Kong"
    };
    System.out.printf("%s%n",pickRandom(steal));
    Moral-=5;
    int L=RollDice();
    if(L>7){
      switch(String.valueOf((Map[CurrentCoordinate[0]][CurrentCoordinate[1]]).charAt(0))){
        case "T":
          foodbuff+=5;
          medicine+=2;
          bandagebuff+=2;
          weaponbuff+=0;
          valuablesbuff+=1;
          ammobuff+=0;
          break;
        case "A":
          foodbuff+=3;
          medicine+=2;
          bandagebuff+=2;
          weaponbuff+=0;
          valuablesbuff+=2;
          ammobuff+=1;
          break;
        case "F":
          foodbuff-=5;
          medicine+=3;
          bandagebuff+=4;
          weaponbuff+=0;
          valuablesbuff-=5;
          ammobuff-=3;
          break;
        case "W":
          foodbuff+=2;
          medicine+=6;
          bandagebuff+=6;
          weaponbuff+=3;
          valuablesbuff+=3;
          ammobuff+=2;
          break;
        case "S":
          foodbuff+=0;
          medicine+=3;
          bandagebuff+=3;
          weaponbuff-=5;
          valuablesbuff+=1;
          ammobuff-=5;
          break;
        case "O":
          foodbuff+=1;
          medicine+=0;
          bandagebuff+=0;
          weaponbuff-=5;
          valuablesbuff+=5;
          ammobuff-=5;
          break;
        case "R":
          foodbuff-=7;
          medicine-=7;
          bandagebuff-=7;
          weaponbuff-=7;
          valuablesbuff-=7;
          ammobuff-=7;
          break;
        case "H":
          foodbuff+=1;
          medicine+=5;
          bandagebuff+=5;
          weaponbuff-=5;
          valuablesbuff-=3;
          ammobuff-=5;
          Moral-=5;
          break;
        default:
          foodbuff+=1;
          medicine+=5;
          bandagebuff+=5;
          weaponbuff-=5;
          valuablesbuff-=3;
          ammobuff-=5;
          Moral-=5;
          break;
      }
        foodbuff-=2;
        medicine-=2;
        bandagebuff-=2;
        weaponbuff-=2;
        valuablesbuff-=2;
        ammobuff-=2;
        System.out.printf("You sneak in, evade attention, grab a bag and run out.%nAfter you are sure that you are safe, you open the bag and begin counting what you stole.%n");
        AddFood(foodbuff);
        AddMedicine(medicinebuff);
        AddBandage(bandagebuff);
        AddValuables(valuablesbuff);
        AddAmmo(ammobuff);
        AddWeapon(weaponbuff);
    }else{
      System.out.printf("Your attempt at crime is discovered, you hear noises and sounds of loading guns.%n");
      if((pistol||AutomaticRifle)&&ammo>=1){
        System.out.printf("You jump out a window, and shoot some bullets back.%nIt sounds like you hit some civilians and they stop chasing you.%n");
        Moral-=10;
        ammo-=1;
      }else{
        System.out.printf("You begin to run away.%nWhile you are running away, people inside the house shoot you. You feel a bullet hit you.%n");
        injured=true;
        hp-=15;
        Defeat();
      }
    }
  }

/**
  This is the method that will be used when players choose to trade.
  @return No return needed.
*/
  public static void Trade(){
    System.out.printf("You walk into the building, which is now a trading spot.%n'Maybe I can find a good deal.', you tell youself.%n");
    Boolean chance=false;
    if(RollDice()>13){
      chance=true;
    }
    System.out.printf("%n%n-----------------------------------------------------------------------------------------------------------------------%nHere is the trade price...%n");
    System.out.printf("1.One unit of valuables can exchange three units of food, or one unit of medicine, or one unit of bandage, or two units of ammo.%n2.One unit of medicine can exchange three units of food, or one unit of bandage, or two units of ammo.%n3.One unit of bandage can exchange three units of food, or one unit of medicine, or two units of ammo.%n4.Four units of food can exchange one unit of medicines or one unit of bandage.%n");
    if(chance){
      System.out.printf("5.Five units of valuables can exchange one pistol.%n6.Ten units of valuables can exchange one automatic rifle.%n7.Ten units of valuables can exchange a spy ID or a badge or cipher of rebels spies.%n");
    }
    Boolean continueTrade=false;
    PlayerItemStatus();
    System.out.printf("%n%nDo you want to trade with them? Input 'yes' to trade, else to leave.%n");
    String a=TextIO.getln();
    if(!((a.toUpperCase()).equals("YES"))){
      return;
    }
    String[] Choice1={"valuables","food","medicine","bandage","ammo"};
    String[] Choice2={"medicine","food","bandage","ammo"};
    String[] Choice3={"bandage","food","medicine","ammo"};
    String[] Choice4={"food","medicine","bandage"};
    String[] Choice7={"valuables","spyID","Badge","cipher"};
    do{
      String StringInput;
      int typeInput;
      System.out.printf("Input the number of the choice of item you wish to trade.%n");
      typeInput=TextIO.getlnInt();
      while((typeInput>7||typeInput<1)||(typeInput>4&&(!chance))){
        System.out.printf("Invalid choices, input again.%n");
        typeInput=TextIO.getlnInt();
      }
      switch(typeInput){
        case 1:
          Boolean ValidInput=true;
          int input=0;
          System.out.printf("Now enter name of the item you want to exchange to.%n");
          StringInput=(TextIO.getln()).toUpperCase();
          for(int k=1;k<Choice1.length;k++){
            if(StringInput.equals(Choice1[k].toUpperCase())){
              //Valid Input
              input=k;
              ValidInput=true;
              break;
            }else{
              ValidInput=false;
            }
          }
          while(!ValidInput){
            System.out.printf("Please make sure you input a valid name. Please re-input.%n");
            StringInput=(TextIO.getln()).toUpperCase();
            for(int k=1;k<Choice1.length;k++){
              if(StringInput.equals(Choice1[k].toUpperCase())){
                //Valid Input
                input=k;
                ValidInput=true;
                break;
              }else{
                ValidInput=false;
              }
            }
          }
          if(valuables<1){
            System.out.printf("You do not have enough item to trade!.%n");
          }else{
            System.out.printf("Trade Completed.%n");
            valuables-=1;
            if(input==1){
              food+=3;
            }else if(input==2){
              medicine+=1;
            }else if(input==3){
              bandage+=1;
            }else if(input==4){
              ammo+=2;
            }else{
              System.out.printf("Error!");
            }
          }
          break;
        case 2:
          Boolean ValidInput1=true;
          int input1=0;
          System.out.printf("Now enter name of the item you want to exchange to.%n");
          StringInput=(TextIO.getln()).toUpperCase();
          for(int k=1;k<Choice2.length;k++){
            if(StringInput.equals(Choice2[k].toUpperCase())){
              //Valid Input
              input1=k;
              ValidInput1=true;
              break;
            }else{
              ValidInput1=false;
            }
          }
          while(!ValidInput1){
            System.out.printf("Please make sure you input a valid name. Please re-input.%n");
            StringInput=(TextIO.getln()).toUpperCase();
            for(int k=1;k<Choice2.length;k++){
              if(StringInput.equals(Choice2[k].toUpperCase())){
                //Valid Input
                input1=k;
                ValidInput1=true;
                break;
              }else{
                ValidInput1=false;
              }
            }
          }
          if(medicine<1){
            System.out.printf("You do not have enough item to trade!.%n");
          }else{
            System.out.printf("Trade Completed.%n");
            medicine-=1;
            if(input1==1){
              food+=3;
            }else if(input1==2){
              bandage+=1;
            }else if(input1==3){
              ammo+=2;
            }else{
              System.out.printf("Error!");
            }
          }
          break;
        case 3:
          Boolean ValidInput2=true;
          int input2=0;
          System.out.printf("Now enter name of the item you want to exchange to.%n");
          StringInput=(TextIO.getln()).toUpperCase();
          for(int k=1;k<Choice3.length;k++){
            if(StringInput.equals(Choice3[k].toUpperCase())){
              //Valid Input
              input2=k;
              ValidInput2=true;
              break;
            }else{
              ValidInput2=false;
            }
          }
          while(!ValidInput2){
            System.out.printf("Please make sure you input a valid name. Please re-input.%n");
            StringInput=(TextIO.getln()).toUpperCase();
            for(int k=1;k<Choice3.length;k++){
              if(StringInput.equals(Choice3[k].toUpperCase())){
                //Valid Input
                input2=k;
                ValidInput2=true;
                break;
              }else{
                ValidInput2=false;
              }
            }
          }
          if(bandage<1){
            System.out.printf("You do not have enough item to trade!.%n");
          }else{
            System.out.printf("Trade Completed.%n");
            bandage-=1;
            if(input2==1){
              food+=3;
            }else if(input2==2){
              medicine+=1;
            }else if(input2==3){
              ammo+=2;
            }else{
              System.out.printf("Error!");
            }
          }
          break;
        case 4:
          Boolean ValidInput3=true;
          int input3=0;
          System.out.printf("Now enter name of the item you want to exchange to.%n");
          StringInput=(TextIO.getln()).toUpperCase();
          for(int k=1;k<Choice4.length;k++){
            if(StringInput.equals(Choice4[k].toUpperCase())){
              //Valid Input
              input3=k;
              ValidInput3=true;
              break;
            }else{
              ValidInput3=false;
            }
          }
          while(!ValidInput3){
            System.out.printf("Please make sure you input a valid name. Please re-input.%n");
            StringInput=(TextIO.getln()).toUpperCase();
            for(int k=1;k<Choice4.length;k++){
              if(StringInput.equals(Choice4[k].toUpperCase())){
                //Valid Input
                input3=k;
                ValidInput3=true;
                break;
              }else{
                ValidInput3=false;
              }
            }
          }
          if(food<4){
            System.out.printf("You do not have enough item to trade!.%n");
          }else{
            System.out.printf("Trade Completed.%n");
            food-=4;
            if(input3==1){
              medicine+=1;
            }else if(input3==2){
              bandage+=1;
            }else{
              System.out.printf("Error!");
            }
          }
          break;
        case 5:
          if(valuables<5){
            System.out.printf("You do not have enough items to trade.%n");
          }else if(pistol){
            System.out.printf("You already have a pistol, you do not need to trade for a new one.%n");
          }else{
            System.out.printf("The man gives you a pistol.%n");
            valuables-=5;
            pistol=true;
          }
          break;
        case 6:
          if(valuables<10){
            System.out.printf("You do not have enough items to trade.%n");
          }else if(AutomaticRifle){
              System.out.printf("You already have an automatic rifle, you do not need to trade for a new one.%n");
          }else{
            System.out.printf("After putting away all the valuable things you give him, the man picks up an automatic rifle from the safe.%n");
            valuables-=10;
            AutomaticRifle=true;
          }
          break;
        default:
          Boolean ValidInput4=true;
          int input4=0;
          System.out.printf("Now enter name of the item you want to exchange to.%n");
          StringInput=(TextIO.getln()).toUpperCase();
          for(int k=1;k<Choice7.length;k++){
            if(StringInput.equals(Choice7[k].toUpperCase())){
              //Valid Input
              input4=k;
              ValidInput4=true;
              break;
            }else{
              ValidInput4=false;
            }
          }
          while(!ValidInput4){
            System.out.printf("Please make sure you input a valid name. Please re-input.%n");
            StringInput=(TextIO.getln()).toUpperCase();
            for(int k=1;k<Choice7.length;k++){
              if(StringInput.equals(Choice7[k].toUpperCase())){
                //Valid Input
                input4=k;
                ValidInput4=true;
                break;
              }else{
                ValidInput4=false;
              }
            }
          }
          if(valuables<10){
            System.out.printf("You do not have enough item to trade!.%n");
          }else{
            if(input4==1){
              if(spyID){
                System.out.printf("You do not need that anymore.");
              }else{
                System.out.printf("The man claims that he has something interesting. You buy it.%nYou find out that it is maybe a rebel spy ID.%n");
                valuables-=10;
                spyID=true;
              }
            }else if(input4==2){
              if(Badge){
                System.out.printf("You do not need that anymore.");
              }else{
                System.out.printf("The man claims that he has something interesting. You buy it.%nYou find out that it is maybe a rebel spy's badge.%n");
                valuables-=10;
                Badge=true;
              }
            }else if(input4==3){
              if(Cipher){
                System.out.printf("You do not need that anymore.");
              }else{
                System.out.printf("The man claims that he has something interesting. You buy it.%nYou find out that it is a booklet of words, sentences, and symbols, and it is a cipher of rebels spies.%n");
                valuables-=10;
                Cipher=true;
              }
            }else{
              System.out.printf("Error!");
            }
          }
          break;
        }
      PlayerItemStatus();
      System.out.printf("Do you want to continue trading with them? Input 'yes' to continue, else to quit.%n");
      String b=TextIO.getln();
      if((b.toUpperCase()).equals("YES")){
        continueTrade=true;
      }else{
        continueTrade=false;
      }
    }while(continueTrade);
  }

/**
  This is the method that will be used when players choose let Reznov to stealth in.
  @return No return needed.
*/
  public static void Stealth(){
    int foodbuff=0;
    int medicinebuff=0;
    int weaponbuff=0;
    int bandagebuff=0;
    int valuablesbuff=0;
    int ammobuff=0;
    int stealBuff=2;
    int L=RollDice();
    if(L>10){
      switch(String.valueOf((Map[CurrentCoordinate[0]][CurrentCoordinate[1]]).charAt(0))){
        case "T":
          foodbuff+=5;
          medicine+=2;
          bandagebuff+=2;
          weaponbuff+=0;
          valuablesbuff+=1;
          ammobuff+=0;
          break;
        case "A":
          foodbuff+=3;
          medicine+=2;
          bandagebuff+=2;
          weaponbuff+=0;
          valuablesbuff+=2;
          ammobuff+=1;
          break;
        case "F":
          foodbuff-=5;
          medicine+=3;
          bandagebuff+=4;
          weaponbuff+=0;
          valuablesbuff-=5;
          ammobuff-=3;
          break;
        case "W":
          foodbuff+=2;
          medicine+=6;
          bandagebuff+=6;
          weaponbuff+=3;
          valuablesbuff+=3;
          ammobuff+=2;
          break;
        case "S":
          foodbuff+=0;
          medicine+=3;
          bandagebuff+=3;
          weaponbuff-=5;
          valuablesbuff+=1;
          ammobuff-=5;
          break;
        case "O":
          foodbuff+=1;
          medicine+=0;
          bandagebuff+=0;
          weaponbuff-=5;
          valuablesbuff+=5;
          ammobuff-=5;
          break;
        case "R":
          foodbuff-=7;
          medicine-=7;
          bandagebuff-=7;
          weaponbuff-=7;
          valuablesbuff-=7;
          ammobuff-=7;
          break;
        case "H":
          foodbuff+=1;
          medicine+=5;
          bandagebuff+=5;
          weaponbuff-=5;
          valuablesbuff-=3;
          ammobuff-=5;
          break;
        case "M":
          foodbuff+=5;
          medicine+=6;
          bandagebuff+=6;
          weaponbuff+=7;
          valuablesbuff+=3;
          ammobuff+=7;
          break;
        default:
          foodbuff+=1;
          medicine+=5;
          bandagebuff+=5;
          weaponbuff-=5;
          valuablesbuff-=3;
          ammobuff-=5;
          break;
      }
      if(CheckStatus("b".split("\\s+"))){
        foodbuff+=3;
        medicine+=3;
        bandagebuff+=2;
        weaponbuff+=4;
        valuablesbuff+=3;
        ammobuff+=4;
      }
        System.out.printf("You sneak in, evade attention, grab a bag and run out.%nAfter you are sure that you are safe, you open the bag and examine what you found.%n");
        AddFood(foodbuff);
        AddMedicine(medicinebuff);
        AddBandage(bandagebuff);
        AddValuables(valuablesbuff);
        AddAmmo(ammobuff);
        AddWeapon(weaponbuff);
    }else{
      System.out.printf("You are noticed by armed guards. They raise alarms that even deaf people can feel.%n");
      if((pistol||AutomaticRifle)&&ammo>=5){
        System.out.printf("You jump out a window, and shoot some bullets back.%nIt sounds that you hit some armed guards and they stop chasing you.%n");
        ammo-=5;
      }else{
        System.out.printf("You begin to run away.%nWhile you are running away, people inside the house shoot at you. You feel that a bullet hits you.%n");
        injured=true;
        hp-=30;
        Defeat();
      }
    }
  }

/**
  The method that will be executed when players use to ask docters for help.
  @return No return needed.
*/
  public static void DocHeal(){
    System.out.printf("You decide to ask the doctor for help and walk in.%n");
    int L=RollDice();
    if(L>8&&Moral>=45){
      System.out.printf("A doctor recieves you and helps you.%n");
      sick=false;
      injured=false;
    }else if(L<=8&&Moral>=45){
      System.out.printf("All doctors are busy helping other refugees, they cannot help you.%n");
    }else{
      System.out.printf("No doctor wants to help you because of your bad reputation.%n");
    }
  }

/**
  This method is used when players choose to ask priests for material relief
  @return No return
*/
  public static void AskR(){
    System.out.printf("You decide to go into the church and ask priests for help.%n");
    int L=RollDice();
    if(L>11&&hungry<=5){
      System.out.printf("A priest noticed that you are suffering from starvation, so he gives you some food.(food+3)%n");
      food+=3;
    }else if(L>11&&hungry>5){
      System.out.printf("Priests think that they need to help other people first, not you.%n");
    }else{
      System.out.println("All priests are busy helping other refugees. You are omitted.");
    }
  }

/**
  This method is used when players choose to ask priests for mental help
  @return No return needed
*/
  public static void AskM(){
    System.out.printf("Tortured by the unpleasant experience of war and the pressure of trying to survive, you think you need some mental help.%nYou wait in line for some time and walk in a small chamber.%nAfter confessing what the crimes you have commited and how the pressure has been affecting you, the priest helps you and you feel better now.%n");
    Moral+=10;
    if(Moral>100){
      Moral=100;
    }
  }

/**
  The method is used when Reznov tries to get out of the city.
  @return No returns.
*/
  public static void Escape(){
    if(Cipher&&spyID&&Badge){
      System.out.printf("After sneaking out of the gate, as expected, you are noticed by some rebels.%nYou shout out the cipher you learned, and one of them orders the other rebels to hold their fire.%nThen you show him your ID and your badge.%nHe lets you pass and tells you to meet with the General ten miles away.%nOf course you do not follow his words.%nYou directly get out of this region, catch a boat--you paid the captain with some valuables--and reach France.%n");
      TryEscape=true;
    }else{
      System.out.printf("After sneaking out of the gate, as expected, you are noticed by some rebels.%nYou fail to prove your identity as one of their spies. You are exposed and then executed.%n");
      System.exit(1);
    }
  }

/**
  This method is used to add resources
  @param Input FoodBuff value.
  @return No return
*/
  public static void AddFood(int Input){
    int rolled=AffectRollDice(Input);
    if(rolled>14){
      food+=5;
      System.out.printf("You are lucky, you find a lot of food.%n'No need to worry about eating for a few days', you think.%n(food+6)%n");
    }else if(rolled>11&&rolled<=14){
      food+=4;
      System.out.printf("You find six cans of beans.%n'Not plenty,' you think, 'but still good.'%n(food+4)%n");
    }else if(rolled>8&&rolled<=11){
      food+=3;
      System.out.printf("You find three cans of meat.%n'At least I have more food now.', you think.%n(food+3)%n");
    }else if(rolled>6&&rolled<=8){
      food+=1;
      System.out.printf("After a long search, you find a little food, but better than nothing.%n(food+1)%n");
    }else{
      food+=0;
      System.out.printf("So disappionting: there is no trace of food.%n(food+0)%n");
    }
  }

/**
  This method is used to add resources
  @param Input medicineBuff value.
  @return No return
*/
  public static void AddMedicine(int Input){
    int rolled=AffectRollDice(Input);
    if(rolled>15){
      medicine+=3;
      System.out.printf("You find three unused Antibiotic pills, which are extremely useful.%n(medicine+3)%n");
    }else if(rolled>12&&rolled<=15){
      medicine+=2;
      System.out.printf("Two pills of cold medicine...can be savior in these difficult times.%n(medicine+2)%n");
    }else if(rolled>9&&rolled<=12){
      medicine+=1;
      System.out.printf("You find one pill of medicine.%n'This could be the difference between life and death.', you think.%n(medicine+1)%n");
    }else{
      medicine+=0;
      System.out.printf("You did not find any medicine.%nYou try to comfort yourself:'Medicine is always hard to find, take it easy.'%n(medicine+0)%n");
    }
  }

/**
  This method is used to add resources
  @param Input bandageBuff value.
  @return No return
*/
  public static void AddBandage(int Input){
    int rolled=AffectRollDice(Input);
    if(rolled>15){
      bandage+=3;
      System.out.printf("You find an first-aid kit, which contains bandages that can be used to treat wounds.%n(bandage+3)%n");
    }else if(rolled>14&&rolled<=15){
      bandage+=1;
      System.out.printf("You find some clean gauze and alcohol which can be used together as simple bandage.%n(bandage+1)%n");
    }else{
      bandage+=0;
      System.out.printf("You did not find any bandages.'%n(bandage+0)%n");
    }
  }

/**
  This method is used to add resources
  @param Input valuablesbuff value.
  @return No return
*/
  public static void AddValuables(int Input){
    int rolled=AffectRollDice(Input);
    if(rolled>=16){
      valuables+=2;
      System.out.printf("You find a gold ring. In these uncertain times, gold is the closest thing to money left.%n'Maybe people at trade station will like it?',you think%n(valuables+2)%n");
    }else if(rolled>13&&rolled<16){
      valuables+=1;
      System.out.printf("Two boxes of cigarettes...Cigarettes gradually became hard currency after war began.%n(valuables+1)%n");
    }else{
      valuables+=0;
      System.out.printf("Nothing unexpected.'%n(valuables+0)%n");
    }
  }

/**
  This method is used to add resources
  @param Input ammobuff value.
  @return No return
*/
  public static void AddAmmo(int Input){
    int rolled=AffectRollDice(Input);
    if(rolled>=15){
      ammo+=3;
      System.out.printf("You find some cartridge cases and a box of bullets, seems that there was a fight here.%n(ammo+3)%n");
    }else if(rolled>11&&rolled<15){
      ammo+=2;
      System.out.printf("You find some bullets.%n(ammo+2)%n");
    }else{
      ammo+=0;
    }
  }

/**
  This method is used to add resources
  @param Input weaponbuff value.
  @return No return
*/
  public static void AddWeapon(int Input){
    int rolled=AffectRollDice(Input);
    if(rolled==16){
      System.out.printf("You see something in a box...%n");
      if(RollDice()>14){
        System.out.printf("...You find an automatic rifle.%nFor a civilian, this is a weapon that can protect you well and may even transform you into one of those criminals.%n");
        AutomaticRifle=true;
      }else{
        pistol=true;
        System.out.printf("...And it is a pistol, a guarantee of safety.%n");
      }
    }
  }

/**
  This method is used to add resources
  @param Input DiseaseChance value.
  @return No return
*/
  public static void getDisease(int Input){
    int rolled=AffectRollDice(Input);
    if(rolled>2){
    }else{
      sick=true;
      System.out.printf("You are not feeling well, maybe you touched something that you should not touch?%n(You are sick.)%n");
    }
  }

/**
  This method is used to add resources
  @param Input IDbuff value.
  @return No return
*/
  public static void getID(int Input){
    int rolled=AffectRollDice(Input);
    if(!spyID){
      if(rolled>15){
        spyID=true;
        System.out.printf("You find an ID card. It looks wierd...'Possibly once owned by a spy in this city', you think.%n(You now have a spy's ID, which can help you to trick rebels.)%n");
      }
    }
  }

/**
  This method is used to add resources
  @param Input weaponbuff value.
  @return No return
*/
  public static void getBadge(int Input){
    int rolled=AffectRollDice(Input);
    if(!Badge){
      if(rolled>15){
        Badge=true;
        System.out.printf("You find a badge with wierd symbols and a pattern.'Government newspaper once reported that this was a symbol of rebel spies...', you think.%n(You now have a spy's badge, which can help you to trick rebels.)%n");
    }
  }
}

/**
  This method is used when Reznov is inside a sewer and tries to go to another sewer entrance.
  @param SewerCoordinate It stores coordinates of Sewer entrance in the map.(Y,X)
  @param input No. of the row in SewerCoordinate that the player want to teleport to.
  @param o No. of the row in SewerCoordinate that Reznov is currently at.
  @return There is no return needed.
*/
  public static void Teleport(){
    int[][] SewerCoordinate={
      {11,1},
      {2,3},
      {5,5},
      {14,5},
      {10,7},
      {5,8},
      {7,9},
      {13,9},
      {11,10}
    };
    int o=0;
    for(int i=0;i<9;i++){
      if((SewerCoordinate[i][0]==CurrentCoordinate[0])&&(SewerCoordinate[i][1]==CurrentCoordinate[1])){
        o=i+1;
      }else{
        System.out.printf("%1d.{%1d,%1d}%n",(i+1),SewerCoordinate[i][1],SewerCoordinate[i][0]);
      }
    }
    System.out.printf("Please choose and input one of those No. in front of the coordinate you want to travel to.%n");
    int input=0;
    input=TextIO.getlnInt();
    while(input==o||input>9||input<1){
      System.out.printf("Invalid input, input again.%n");
        input=TextIO.getlnInt();
    }
    System.out.printf("Enduring the sewer stench, you finally reach your destination.%n");
    CurrentCoordinate[0]=SewerCoordinate[input-1][0];
    CurrentCoordinate[1]=SewerCoordinate[input-1][1];
  }

/**
  This method is used for sleeping stage in game.
*/
  public static void sleep(){
    if(food>=2){
      food-=2;
      System.out.printf("You eat enough food.%n");
      hungry+=4;
      if(hungry>10){
        hungry=10;
      }
    }else if(food==1){
      food-=1;
      System.out.printf("You do not have enough food.%n");
      hungry-=2;
    }else{
      System.out.printf("You do not have any food, so you go to bed hungry.%n");
      hungry-=3;
    }
    if(injured&&(bandage>0)){
      System.out.printf("You are injured, do you want to use bandage to treat yourself? Input 'yes' if you want to.%n");
      String Bdecision=TextIO.getln();
      if((Bdecision.toUpperCase()).equals("YES")){
        bandage-=1;
        FastRecover=true;
      }
    }
    if(sick&&(medicine>0)){
      System.out.printf("You are sick, do you want to use medicine to treat yourself? Input 'yes' if you want to.%n");
      String Mdecision=TextIO.getln();
      if((Mdecision.toUpperCase()).equals("YES")){
        medicine-=1;
        sick=false;
      }
    }
    if(sick){
      hp-=5;
      System.out.printf("Due to disease, you lose 5 hp.%n");
    }
    if(FastRecover){
      if(hungry>7){
        hp+=30;
        System.out.println("Treatment on injuries combines with a good dinner makes you recover quickly.");
      }else if(hungry>=5&&hungry<=7){
        hp+=10;
        System.out.println("Treatment on wounds makes you feel better--It even makes you forget that you are not full.");
      }
    }else if(hungry>7){
      hp+=10;
      System.out.println("Keeping your stomach full with food makes you recover.");
    }else if(hungry<5){
      System.out.println("Due to starvation, your lose 10 hp.");
      hp-=10;
    }else{
      System.out.println("You begin to feel hungry. If you still do not eat food tomorrow, you may have trouble.");
    }
    Defeat();
    System.out.printf("You go to bed and sleep.%n'Things will be better tomorrow.',you told yourself.%n----------------------------------------------------------%n%n%n");
    if(hp==100){
      injured=false;
    }
    if(hp>100){
      hp=100;
    }
    day+=1;
    FastRecover=false;
  }

/**
*/
  public static void End(){
    System.out.printf("%n%n-------------------------------------------------------------------------------%n%n");
    Delay();
    System.out.printf("You survived.%n");
    Delay();
    if(TryEscape){
      System.out.printf("Utilizing your wisdom, you escaped the city and this region in front of rebels.%n");
    }else{
      System.out.printf("After you drew sixty tally marks on your diary, the UN finally makes the rebels and the government ceasefire and negotiate.%nThe shadow of death no longer shrouds this city. You and other civilians flee out as refugees.%n");
    }
    Delay();
    if(Moral>=85){
      System.out.printf("While trying to survive, you did not commit many crimes.%nIn your remaining life, you will not suffer much from your war experience.%n");
    }else if(Moral<85&&Moral>=65){
      System.out.printf("Struggling to survive, you commited a fair number of crimes. Although you did it only you had to, this negative experience makes you feel very uncomfortable when you recall your memories even decades later.%n");
    }else if(Moral<65&&Moral>=40){
      System.out.printf("You commited more than your share of crimes to survive, and you will always remeber what you did.%nIs surviving through the war really a good thing for you?%nWhatever your answer is, those memories will now torture you from time to time.%n");
    }else if(Moral<40&&Moral>=20){
      System.out.printf("Stealing,killing...You tried all of them during the war.%nYou tell yourself that you did them because you had to.%nBut is that the truth? Wartime memories will torture your mind on more than a few nights.%n");
    }else{
      System.out.printf("How many crimes did you commmit to survive?%nYou cannot even remember the exact number.%nFor the rest of your life, when you dream at night, you still picture the faces of those who lost their lives as a result of your actions. There are almost too many to count...%n");
    }
    Delay();
    System.out.printf("Thanks for playing!%n%nProducers:%nRuiyang Hu%nCheng Ge%nWei Lu%nEric Patterson%n");
  }

/**
  the first condition to win: if Reznov could survive 60 days, then win
  @param day surviving days of Reznov
  @return true if surviving days equal 60
*/
  public static Boolean windays(){
    if(day==60){
      return true;
    } else{
      return false;
    }
  }

/**
the second condition to win: escaping from the city (i.e. arriving (10,14))
@param CurrentCoordinate the position of the player
@return true if the player escapes from the city
*/
  public static Boolean winout(){
    Boolean winout;
    if(CurrentCoordinate[0]==0 && CurrentCoordinate[1]==10){
      if(TryEscape){
        winout = true;
      }else{
        winout=false;
      }
    }else{
      winout = false;
    }
    return winout;
  }

  /**
use the 2 conditions above to determine whether the user has won
windays: method to show whether Reznov has survived 60 days
winout: method to show whether Reznov has escaped
@return true if at least one of the 2 conditions is satisfied, meaning Reznov(and players) has won
  */
  public static Boolean win(){
    Boolean win;
    if(winout()||windays()){
      win = true;
    }else{
      win = false;
    }
    return win;
  }

  /**
  This method is used to tell players where is Reznov now and what is the building&status of his position
  @return No returns
  */
  public static void PositionReport(){
    System.out.printf("------------------------------------------------%n");
    System.out.printf("Your current coordinate is (%1d,%1d), which is a (x,y) coordinate.%n",CurrentCoordinate[1],CurrentCoordinate[0]);
    System.out.printf("------------------------------------------------%n");
    String raw=Map[CurrentCoordinate[0]][CurrentCoordinate[1]];
    String status;
    status=PositionStatusReport(raw.charAt(1));
    switch(raw.charAt(0)){
      case 'A':
        System.out.printf("You encounter an apartment that "+status+"%n");
        break;
      case 'T':
        System.out.printf("You come across a supermarket that "+status+"%n");
        break;
      case 'M':
        System.out.printf("You are at the front of a Military base. 'A sign of government power and a guarantee of safety.', the president said. 'Yeah, definitely,' You tell youself.%nThe building "+status+"%n");
        break;
      case 'F':
        System.out.printf("You stand before a construction field. 'Politicians promised to finish this building, but they could not fulfill their promises,' You tell youself. 'This place may never be completed...' The field "+status+"%n");
        break;
      case 'W':
        System.out.printf("You are at the front of a warehouse, a place to store food, medicine, etc. It now stores hope, too.%nThe warehouse "+status+"%n");
        break;
      case 'S':
        System.out.printf("You stand before a school. '......' You began to remember your time in school. But then you tell yourself it is not a time for memories.%nThe school in front of you "+status+"%n");
        break;
      case 'O':
        System.out.printf("An office building...You used to be one of those white-collar workers inside. This place seems so familiar, if you ignore the signs of war.%nThere are now no people working inside, it "+status+"%n");
        break;
      case 'R':
        System.out.printf("You approach what looks like a slum, home of bottom class people.---But war changed everything. Displaced persons, refugees whose homes were destroyed all lived here now.%nThe slum "+status+"%n");
        break;
      case 'P':
        System.out.printf("You stumble upon a sewer entrance. You can smell it before see it---War does not change this.%n This place, full of disease, is now a safe and fast way for you to move to different parts of the city.%n");
        break;
      case 'H':
        System.out.printf("You encounter a hospital, which "+status+"%n");
        break;
      case 'D':
        System.out.printf("You see something beckoning to an earlier time. It's a church steeple. Perhaps it can provide holy refuge in this time of war? The church "+status+"%n");
        break;
      default:
        System.out.printf("You are now at the gate of this city. If you can sneak out and trick all those rebels into believing that you are one of their spies, you could escape the city.%nBut they are not fools, so you need to prove yourself.%n");
        break;
    }
  }

  /**
  This method will get the building status of current coordinate.
  @return return a string that can be used in PositionReport to out print.
  */
  public static String PositionStatusReport(char input){
    switch(input){
      case 'w':
       return  "lies in wreckage now because of artillery attacks.";
      case 'r':
        return "still has people living inside.";
      case 'b':
        return "is now captured by a group of bandits.";
      case 'n':
        return "has no one inside now.";
      default:
        return "is used as a trading spot for residents nearby.";
    }
  }

  /**
  Introduce this game to player.
  @return No returns needed
  */
  public static void Introduction(){
    System.out.println("Welcome to the game! In this game, you play as a civilian, Dimitri Reznov, who lives inside a city that has been surrounded rebels.");
    Delay();
    System.out.println("Your immediate goal is to survive by scavenging. You will have to make tough choices. You may have to steal or even kill someone---You decide.");
    Delay();
    System.out.println("Are you ready for the game? Type 'yes' to start, else to quit.");
    Delay();
    Scanner s = new Scanner(System.in);
    String input=s.nextLine();
    if((input.toUpperCase()).equals("YES")){
      System.out.println("Good luck, the game starts now.");
      System.out.println("----------------------------------------------------------");
      System.out.println();
    }else{
      System.exit(1);
    }
    System.out.printf("'In modern war there is nothing sweet nor fitting in your dying. You will die like a dog for no good reason.'%n                                                                                                   ---Ernest Miller Hemingway%n");
    Delay();
    System.out.printf("The Setting:%n%n");
    Delay();
    System.out.printf("It is December 31st, and the rebels are still outside of this city.%nNo one can enter or leave due to the rebel blockade of the city.%nYou, Dimitri Reznov, are one of those civilians who trapped inside.%nConditions are getting worse. People are running out of food, medicine, and everything they need to live.%n");
    Delay();
    System.out.printf("The shadow of the war has shrouded the city for such a long time that the recent Christmas passed by with minimal to no celebrations.%nYou planed to stay inside your apartment, but a shelling rain razed your apartment to the ground.%n");
    System.out.printf("As a result, you can no longer stay in your house. You need to move inside the city and scavenge to survive.%n");
    Delay();
    System.out.printf("You heard that UN is trying to reach a ceasefire between the rebels and the government army, and it will soon come to pass if you can survive. But it is still 'soon',so you still need to survive through the period of mediation.%n");
    Delay();
    System.out.printf("You also have a brave idea: You heard that there are rebel spies in the city...If you can collect their IDs, cipher and badges, maybe you have a chance to pass through rebel's Roadblocks directly.%n");
    System.out.printf("But whatever your plan is, you need to move now....%n");
    LongDelay();
    System.out.printf("---------------------------------------------------------------------------------------------------------------------------------%nHere is a brief tutorial:%n%n");
    Delay();
    System.out.printf("Everyday, there are three stages:move,act and sleep.%nKeep in mind when moving that U/up will decrease your y-coordinate, while D/down will increase your y-coordinate.%n");
    Delay();
    System.out.printf("Different buildings and status of buildings decide what choices you have and possible results of your choices.%nSewer entrances can make you fast travel throughout the city, but are filled with filth.%n");
    Delay();
    System.out.printf("If you get injured in a battle, do not be scared: As long as you keep you fullness meter above 7, you can recover 10hp during sleep.%nBut when you are suffering from starving, you will lose hp during sleeping.%n");
    System.out.printf("You will automatically consume two units of food everyday. If you do not have any food, then your fullness meter will drop by 3. A fullness meter of zero means you will die and the game ends. %nIf you find food after being hungury for some time, each day you eat food will add to the fullness meter by 4 (maximum is 10).%n");
    Delay();
    System.out.printf("When you are injured, using a bandage can help you recover faster and remove the 'injured' debuff.%nEach time you will consume 1 unit and it will make you recover 200 percent faster when you are full, and even recover 10hp when the fullness meter is from 5 to 7([5,7]).%nThis buff will be removed one day later(So the boost is just one night long).%n");
    Delay();
    System.out.printf("You may catch a serious disease when you enter some untidy places. This status can be cured by using one unit of medicine.%nIf you do not do it or run out of medicine, then you cannot recover HP and will lose 5HP every day.%nThe concludes the tutorial. Good Luck!!%n%n%n%n");
  }

/**
  Delay the program for 2s, make the program show texts slowly.
  @return No returns needed.
*/
  public static void Delay(){
      try{
        Thread thread = Thread.currentThread();
        thread.sleep(2000);//2S
      }catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
  }

/**
  This method presents Reznov's current status.
  @param sick A Boolean value that shows whether Reznov is sick or not.
  @param injured A Boolean value that shows whether Reznov is injured or not.
  @param pistol A Boolean value that shows whether Reznov has a pistol or not.
  @param AutomaticRifle A Boolean value that shows whether Reznov has an AR or not.
  @param FastRecover A Boolean value that shows whether Reznov bandaged himselves or not.
  @param food An int type data that shows how many units of food Reznov has now.
  @param medicine An int type data that shows how many units of medicine Reznov has now.
  @param bandage An int type data that shows how many units of bandages Reznov has now.
  @param ammo An int type data that shows how many units of ammo Reznov has now.
  @param valuables An int type data that shows how many units of valuables Reznov has now.
  @param spyID A Boolean value that shows whether Reznov has a spy ID or not.
  @param Cipher A Boolean value that shows whether Reznov has a cipher or not.
  @param Badge  A Boolean value that shows whether Reznov has a badge or not.
  @return No return needed.
*/
  public static void PlayerStatus(){
    System.out.println("--------------------------------------------------------------------------------------------------------");
    System.out.printf("It is the No.%1d day since your shelter was destroyed.%n",day);
    System.out.printf("Your HP is %1d, fullness meter is %1d.%n",hp,hungry);
    if(sick){
      System.out.printf("You are sick now.%n");
    }else{
      System.out.printf("You are not sick.%n");
    }
    if(injured){
      System.out.printf("You are injured now.%n");
    }else{
      System.out.printf("You are not injured.%n");
    }
    if(pistol&&AutomaticRifle){
      System.out.printf("You have weapons.%n");
    }else if(pistol||AutomaticRifle){
      System.out.printf("You have a weapon.%n");
    }else{
      System.out.printf("You do not have any weapons.%n");
    }
    System.out.printf("You have %1d food, %1d medicine, %1d bandage, %1d ammo and %1d valuables.%n",food,medicine,bandage,ammo,valuables);
    if(FastRecover){
      System.out.printf("You have bandaged yourself.%n");
    }
    if(spyID){
      System.out.printf("You have a spy ID that may help you trick rebels.%n");
    }
    if(Badge){
      System.out.printf("You have a badge of the rebel spies.%n");
    }
    if(Cipher){
      System.out.printf("You have learned the cipher of a spy.%n");
    }
  }

/**
  This method is used in Trade(), to print out item owned by Reznov now.
  @param pistol A Boolean value that shows whether Reznov has a pistol or not.
  @param AutomaticRifle A Boolean value that shows whether Reznov has an AR or not.
  @param food An int type data that shows how many units of food Reznov has now.
  @param medicine An int type data that shows how many units of medicine Reznov has now.
  @param bandage An int type data that shows how many units of bandages Reznov has now.
  @param ammo An int type data that shows how many units of ammo Reznov has now.
  @param valuables An int type data that shows how many units of valuables Reznov has now.
  @return No returns needed.
*/
  public static void PlayerItemStatus(){
    System.out.printf("You have %1d food, %1d medicine, %1d bandage, %1d ammo and %1d valuables.%n",food,medicine,bandage,ammo,valuables);
    if(pistol&&AutomaticRifle){
      System.out.printf("You have weapons.%n");
    }else if(pistol||AutomaticRifle){
      System.out.printf("You have a weapon.%n");
    }else{
      System.out.printf("You do not have any weapons.%n");
    }
    if(spyID){
      System.out.printf("You have a spy ID that may help you trick the rebels.%n");
    }
    if(Badge){
      System.out.printf("You have a badge of the rebel spies.%n");
    }
    if(Cipher){
      System.out.printf("You have learned the cipher of a spy.%n");
    }
  }

/**
Delay the program for 6.5s, make the program show texts slowly.
@return No returns needed.
*/
  public static void LongDelay(){
      try{
        Thread thread = Thread.currentThread();
        thread.sleep(6500);//6.5s
      }catch (InterruptedException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }


  /**
  This method is used to check whether player lose the game.
  @param hp hp is health point of Reznov.
  @param hungry Hungry is rate of hunger.
  @param sick Sick is a boolean type value that shows whether Reznov is sick.
  @param injured Injured is a boolean type value that shows whether Reznov is injured.
  @return No returns needed.
  */
  public static void Defeat(){
    if(hp==0){
      if(sick&&injured&&(hungry<5)){
        System.out.printf("You suffer from starvation, injury, and disease. Finally, you fail to survive.%nYou become one of the many victims of war.%n");
        System.exit(1);
      }else if(sick&&injured){
        System.out.printf("In a war, lack of medical treatment is a lethal killer. And you are one of its  victims.%n");
        System.exit(1);
      }else if(sick&&hungry<5){
        System.out.printf("Sickness and hunger tortured you and finally take your life.%n");
        System.exit(1);
      }else if(injured&&(hungry<5)){
        System.out.printf("Suffering from injury and hunger, you die.%n");
        System.exit(1);
      }else if(injured){
        System.out.printf("You bleed out and become one of victims of violence.%n");
        System.exit(1);
      }else{
        System.out.printf("Disease corroded your health and finally kills you.%n");
        System.exit(1);
      }
    }else if(hungry==0){
      System.out.printf("For several days, you tried to find food. But you failed and finally starve to death.%nYour emaciated corpse is found by a UN rescue teammember who enters this city after the ceasefire order.%n");
      System.exit(1);
    }
  }

  /**
  This method will generate a random number[1,16] in order to decide fate of Reznov (what results will happen) when the player make a choice.
  The higher the number generated is, the better the result.
  @return Return the randomly generated integer.
  */
  public static int RollDice(){
    Random r=new Random();
    int output=r.nextInt(16)+1;
    return output;
  }

/**
  This method is used to change result of RollDice()
  For example, if Reznov choose to scavange in an appartment, he can find one unit of medicine when the RollDice() result is bigger than 10.
  But in a hospital, of course he will have a bigger chance. Then, AffectRollDice(3) will add 3 to result of RollDice().
  If he is in a wreckage, then it will be AffectRollDice(-3) because it is much harder to find medicine in wreckages.
  @param input An integer(can be either positive or negative) that influence the result and change the possiblity.
  @return Return an integer than have been affected.
*/
  public static int AffectRollDice(int input){
    int output=RollDice()+input;
    if(output>16){
      return 16;
    }else if(output<1){
      return 1;
    }else{
      return output;
    }
  }

}