import java.awt.*;
import java.applet.*;
import java.util.*;
import java.awt.event.*;
import java.lang.String;




public class DiceGame extends Applet {  
	Graphics offScreenG;
	Image offScreenImg, backImg, chipImg, chipImgPlaced;
	Image[] diceImage;
	Font small = new Font("Times New Roman", Font.BOLD, 20);
	Font medium = new Font("Times New Roman", Font.BOLD, 35);
	Font big = new Font("Times New Roman", Font.BOLD, 50);
	int X, Y;
	Choice GameChoice;
	Button Reset;
	int[] chipX;
	int[] chipY;
	int[] chipPlaced;
	boolean rolling;
	boolean gameOver;
	boolean printErrorMessage;
	int selectedChip;
	int[] numChips;
	int game;
	int dice1;
	int dice2;
	int diceTotal;
	int numRolls;
	int totalNumChips;
	int[] simResults;	
	int[] graphResults;
	int numRuns;
	int totalNumRolls;	
	int averageNumRolls;
	boolean simGameOver;
	int startPix;
	
	public void init() {
		backImg = getImage(getCodeBase(),"back.gif");
		chipImg = getImage(getCodeBase(),"chip2.gif");
		chipImgPlaced = getImage(getCodeBase(), "chip.gif");
		offScreenImg = createImage(this.size().width, this.size().height);
		offScreenG = offScreenImg.getGraphics();
		repaint();
	
		setLayout(null);

		GameChoice = new Choice();
		GameChoice.add("Play The Game");
		GameChoice.add("Simulate 10 Games");
		GameChoice.add("Simulate 100 Games");
		GameChoice.add("Simulate 1000 Games");

		GameChoice.setBounds(15, 65, 150, 30);
		add(GameChoice);

		Reset = new Button();
		Reset.setLabel("Reset");
		Reset.setBounds(530, 340, 75, 25);
		add(Reset);

		chipX = new int[10];
		chipY = new int[10];
		chipPlaced = new int[10];
		diceImage = new Image[6];
		numChips = new int[11];
		simResults = new int[1000];
		graphResults = new int[20];
		rolling = false;
		selectedChip = -1;
		game = 1;
		startPix = 0;

		for (int i = 0; i < 10; i++)
		{
			chipX[i] = 263;
			chipY[i] = 11;
			chipPlaced[i] = 0;
			numChips[i] = 0;
		}

		numChips[10] = 0;

		diceImage[0] = getImage(getCodeBase(),"dice1.gif");
		diceImage[1] = getImage(getCodeBase(),"dice2.gif");
		diceImage[2] = getImage(getCodeBase(),"dice3.gif");
		diceImage[3] = getImage(getCodeBase(),"dice4.gif");
		diceImage[4] = getImage(getCodeBase(),"dice5.gif");
		diceImage[5] = getImage(getCodeBase(),"dice6.gif");
		
	}

	public void paint (Graphics g){

		offScreenG.drawImage(backImg,0,0,this);
		g.setFont(small);
		g.setColor(new Color(255, 255, 255)); 
		g.drawImage(offScreenImg,0,0,this);
		for (int i = 0; i < 10; i++)
			if (chipPlaced[i] > 0)
				g.drawImage(chipImgPlaced, chipX[i], chipY[i], this);
			else
				g.drawImage(chipImg, chipX[i], chipY[i], this);
		
		if (rolling)
		{
			g.drawImage(diceImage[dice1], 385, 20, this);
			g.drawImage(diceImage[dice2], 430, 20, this);
			g.drawString("Rolls: " + numRolls, 388, 80);
		}


		for (int i = 0; i < 11; i++)
		{
			g.setColor(new Color(1, 1, 203));
 
			if (numChips[i] > 0 && numChips[i] < 10)
			{
				if (i % 2 == 0)
					g.drawString("" + numChips[i], (i/2)*95 + 62, 184);
				else 
					g.drawString("" + numChips[i], ((i-1)/2)*95 + 112, 280); 
			}
			else if (numChips[i] == 10)
				if (i % 2 == 0)
					g.drawString("" + numChips[i], (i/2)*95 + 56, 184);
				else 
					g.drawString("" + numChips[i], ((i-1)/2)*95 + 106, 280); 
		}

		if (gameOver)
		{
			g.setFont(big);
			g.setColor(Color.white);
			g.fillRect(0, 135, 609, 150);
			g.setColor(new Color(203, 12, 13));
			g.fillRect(0, 130, 609, 10);
			g.fillRect(0, 280, 609, 10);
			g.setColor(new Color(1, 1, 203));
			g.drawString("You used " + numRolls, 20, 200);
			g.drawString("rolls to clear your chips!", 20, 250);
		}

		if (simGameOver)
		{
			g.setFont(big);
			g.setColor(Color.white);
			g.fillRect(0, 135, 609, 150);
			g.setColor(new Color(203, 12, 13));
			g.fillRect(0, 130, 609, 10);
			g.fillRect(0, 280, 609, 10);
			g.setColor(new Color(1, 1, 203));
			g.drawString("You averaged " + averageNumRolls, 20, 200);
			g.drawString("rolls to clear your chips!", 20, 250);	

		}

		if (printErrorMessage)
		{
			g.setFont(medium);
			g.setColor(Color.white);
			g.fillRect(0, 165, 609, 75);
			g.setColor(new Color(203, 12, 13));
			g.fillRect(0, 160, 609, 10);
			g.fillRect(0, 235, 609, 10);
			g.setColor(new Color(1, 1, 203));
			g.drawString("Place all 10 chips before rolling.", 35, 215);
		}
		
	}

	public void rollDice()
	{
		if (totalNumChips == 10 || rolling) 
		{
			if (GameChoice.getSelectedItem() == "Play The Game")
				{
					numRolls++;

					rolling = true;		
	
					dice1 = (int)(Math.random()*6);
					dice2 = (int)(Math.random()*6);
					diceTotal = dice1 + dice2 + 2;
			
					for (int i = 0; i < 10; i++)
						if (chipPlaced[i] == diceTotal)
						{
							chipX[i] = 263;
							chipY[i] = 11;
							chipPlaced[i] = 0;
							numChips[diceTotal - 2]--;
							i = 10;
							totalNumChips--;
							if (totalNumChips == 0)
								gameOver = true;
						}
				}
			else if (GameChoice.getSelectedItem() == "Simulate 10 Games")
				runSim(10);
			
			else if (GameChoice.getSelectedItem() == "Simulate 100 Games")
				runSim(100);

			else if (GameChoice.getSelectedItem() == "Simulate 1000 Games")
				runSim(1000);
		}
		else
			printErrorMessage = true;
		
	}

	public void runSim(int runs)
	{
		numRuns = runs;
		int[] tempChipPlaced = new int[10];
		int[] tempNumChips = new int[11];

		for (int i = 0; i < runs; i++)
		{
			totalNumChips = 10;
			numRolls = 0;

			for (int j = 0; j < 10; j++)
			{
				tempChipPlaced[j] = chipPlaced[j];
				tempNumChips[j] = numChips[j];
			}

			tempNumChips[10] = numChips[10];

			while (totalNumChips != 0)
			{
				numRolls++;	
		
				dice1 = (int)(Math.random()*6);
				dice2 = (int)(Math.random()*6);
				diceTotal = dice1 + dice2 + 2;
			
				for (int k = 0; k < 10; k++)
					if (tempChipPlaced[k] == diceTotal)
					{
						tempChipPlaced[k] = 0;
						tempNumChips[diceTotal - 2]--;
						k = 10;
						totalNumChips--;
						if (totalNumChips == 0)
						{
							simResults[i] = numRolls;
							totalNumRolls += numRolls;
						}
					}
			}
		}
	
		averageNumRolls = totalNumRolls/runs;

		simGameOver = true;
	}
			


	public void update (Graphics g) {
		paint(g);
	}

	public boolean mouseDown(Event evt, int x, int y){

		printErrorMessage = false;

		if (!gameOver && !simGameOver)
		{
			int X = x;
			int Y = y;
				
			if (X >= 490 && X<=580 && Y >=17 && Y<=91)
			{
				rollDice();
			}

			if (!rolling)
				down(x,y);	
			repaint();
		}

		return true;
	}

	public boolean mouseDrag(Event evt, int x, int y){
		if (!rolling && !gameOver && !simGameOver)
		{
			drag(x,y);
			repaint();
		}
		return true;
	}

	public boolean mouseUp(Event evt, int x, int y){
		if (!rolling && !gameOver && !simGameOver)
		{	
			up(x,y);	
			repaint();
		}
		return true;
	}

	public void down(int x, int y){
		X = x;
		Y = y;
	
		for (int i = 0; i < 10; i++)
			if ( (X - chipX[i] > 0) && (X - chipX[i] < 53) && (Y - chipY[i] > 0) && (Y - chipY[i] < 53))
			{
				selectedChip = i;
				i = 10;
			}	
	}	

	public void drag(int x, int y){
		X = x;
		Y = y;
		

		if (selectedChip >= 0 && selectedChip < 10)
		{
			chipX[selectedChip] = X-26;
			chipY[selectedChip] = Y-26;
		}
	}

	public void up(int x, int y){
	
		if (selectedChip >= 0 && selectedChip < 10)
		{

			if (Math.abs(chipY[selectedChip] - 120) < Math.abs(chipY[selectedChip] - 280) )
			{
				if (chipPlaced[selectedChip] > 0)
				{
					numChips[chipPlaced[selectedChip]-2]--;
					totalNumChips--;
				}
				chipY[selectedChip] = 151;
				chipX[selectedChip] = ((x-40)/95)*95 + 41;
				chipPlaced[selectedChip] = ((x-40)/95 + 1)*2; 
				numChips[chipPlaced[selectedChip]-2]++;
				totalNumChips++;
			}
			else
			{
				if (chipPlaced[selectedChip] > 0)
				{
					numChips[chipPlaced[selectedChip]-2]--;
					totalNumChips--;
				}
				chipY[selectedChip] = 247;
				chipX[selectedChip] = ((x-90)/95)*95 + 91;
				chipPlaced[selectedChip] = ((x-90)/95)*2 + 3; 
				numChips[chipPlaced[selectedChip]-2]++;
				totalNumChips++;
			}	
	
			selectedChip = -1;
		}
	}

	public void Reset(){

		gameOver = false;
		rolling = false;
		selectedChip = -1;

		for (int i = 0; i < 10; i++)
		{
			chipX[i] = 263;
			chipY[i] = 11;
			chipPlaced[i] = 0;
			numChips[i] = 0;
		}

		numChips[10] = 0;

		dice1 = dice2 = diceTotal = 0;
		numRolls = 0;
		totalNumChips = 0;
	
		int numRuns = 0;
		totalNumRolls = 0;	
		averageNumRolls = 0;
		simGameOver = false;

		repaint();

	}

	public boolean action(Event evt, Object arg) {

		if (arg.equals("Reset"))
			Reset();

		return true;
	}			

}