// Mastermind Java implementation
// By Karl Hörnell
import java.awt.*;
import java.lang.Math;
public final class mastermind extends java.applet.Applet
{
int i,j,k;
int pointX,pointY,pickX=-1,pickY=-1,dragX=-1,dragY=-1;
int dotMap[],pointMap[],secretCol[];
static int shadX[]={0,8,142,142,136,136,0},
shadY[]={242,246,246,10,0,242,242};
int pickedCol=0,changedCol;
int pickedDot,changedGrfx,currentRow;
boolean drawBoard=true,gameGoing=false;
boolean pickable[]={true,true,true,true,false,false};
boolean finished;
Color lights[],darks[],darkGray;
Image buffer,peg;
Graphics bufg,pegg;
Math m;
public void init()
{
dotMap = new int[32]; // Holds colored pin info
pointMap = new int[32]; // Holds B&W score pin info
secretCol = new int[4]; // Holds computer's choice of colors
lights = new Color[6];
darks = new Color[6];
darkGray=new Color(60,60,60);
darks[0]=new Color(0,0,255); // Blue
lights[0]=new Color(128,128,255);
darks[1]=new Color(0,192,0); // Green
lights[1]=new Color(64,255,64);
darks[2]=new Color(255,0,0); // Red
lights[2]=new Color(255,128,128);
darks[3]=new Color(255,192,0); // Yellow
lights[3]=new Color(255,255,70);
darks[4]=new Color(230,160,0); // Orange
lights[4]=new Color(255,192,0);
darks[5]=new Color(255,0,255); // Purple
lights[5]=new Color(255,128,255);
buffer=createImage(250,250); // Prepare drawing buffers
bufg=buffer.getGraphics();
peg=createImage(48,40); // Used for drawing peg symbol
pegg=peg.getGraphics();
resize(250,250);
clearBoard();
}
public void clearBoard() // Reset all variables and prepare for game
{
for (i=0;i<32;i++)
{
dotMap[i]=-1;
pointMap[i]=-1;
}
currentRow=0;
for (i=0;i<4;i++)
{
secretCol[i]=-1;
while (secretCol[i]<0)
{
k=(int)(m.random()*6);
if (pickable[k])
secretCol[i]=k;
}
}
repaint();
}
// Various graphical elements
public void fixBox(Graphics g,int x,int y,int w,int h,Color c)
{
g.setColor(c);
g.fillRect(x,y,w,h);
}
public void fixDisc(Graphics g,int x,int y,int r,Color c)
{
g.setColor(c);
g.fillOval(x,y,r,r);
}
public void fixCircle(Graphics g,int x,int y,int r,Color c)
{
g.setColor(c);
g.drawOval(x,y,r,r);
}
public void boardDot(Graphics g,int x,int y,int c)
{
fixDisc(g,x+2,y+2,18,darkGray);
fixDisc(g,x,y,18,darks[c]);
fixDisc(g,x+1,y+1,14,lights[c]);
fixDisc(g,x+3,y+3,6,Color.white);
}
public void boardHole(Graphics g,int x,int y)
{
fixDisc(g,x+5,y+5,7,Color.black);
g.setColor(Color.lightGray);
g.drawArc(x+4,y+4,9,9,-135,180);
}
public void pointDot(Graphics g,int x,int y,int c)
{
fixDisc(g,x+2,y+2,10,Color.black);
if (c==1)
{
fixDisc(g,x,y,10,darkGray);
g.setColor(Color.white);
g.drawArc(x+2,y+2,7,7,70,130);
}
else
{
fixDisc(g,x,y,10,Color.white);
fixDisc(g,x+3,y+3,4,Color.lightGray);
fixDisc(g,x+5,y+5,4,Color.white);
}
}
public void pointHole(Graphics g,int x,int y)
{
fixDisc(g,x+3,y+3,4,Color.black);
g.setColor(Color.lightGray);
g.drawArc(x+2,y+2,6,6,-135,180);
}
public void bigPeg(Graphics g, int c)
{
fixBox(pegg,0,0,48,40,Color.lightGray);
fixDisc(pegg,0,0,40,darks[c]);
fixDisc(pegg,2,2,29,lights[c]);
fixDisc(pegg,7,6,8,Color.white);
fixCircle(pegg,0,0,39,Color.black);
fixBox(pegg,22,0,26,40,Color.lightGray);
fixBox(pegg,22,15,26,10,darks[c]);
fixBox(pegg,31,15,17,8,lights[c]);
pegg.setColor(Color.black);
pegg.drawLine(22,0,22,40);
pegg.drawRect(22,15,25,10);
g.drawImage(peg,188,46,this);
}
public boolean mouseDown(java.awt.Event evt, int x, int y)
{
int whichCol,i,j,k,l;
// Peg placed?
for (j=0;j<4;j++)
if (((x-(23+j*21))*(x-(23+j*21))+
(y-(219-currentRow*28))*(y-(219-currentRow*28))
<100 )&& gameGoing)
{
pickedDot=currentRow*4+j;
changedGrfx=0;
drawBoard=false;
repaint();
}
// Color selected?
for (i=0;i<3;i++)
for (j=0;j<2;j++)
if ((x-(185+j*40))*(x-(185+j*40))+
(y-(115+i*40))*(y-(115+i*40))<225)
{
whichCol=i*2+j; // New color
if (gameGoing && pickable[whichCol])
{
pickedCol=whichCol;
changedGrfx=1;
drawBoard=false;
repaint();
}
else if (!gameGoing) // Toggle color
{
changedCol=whichCol;
pickable[changedCol]=!pickable[changedCol];
l=0;
for (k=0;k<6;k++)
if (pickable[k])
l++;
if (l<2)
pickable[changedCol]=!pickable[changedCol];
else
{
changedGrfx=2;
drawBoard=false;
repaint();
}
}
}
// Start or End clicked?
if ((x>174)&&(x<235)&&(y>217)&&(y<236))
{
gameGoing=!gameGoing;
if (gameGoing)
{
clearBoard();
}
else
{
changedGrfx=3;
drawBoard=false;
repaint();
}
}
return false;
}
public void checkDots(Graphics g) // Check the pegs
{
boolean temp=true;
int holdDots[];
int rightCol=0,rightPlace=0;
for (j=0;j<4;j++)
temp=(temp && (dotMap[currentRow*4+j]>=0));
if (temp) // Guess complete?
{
holdDots=new int[4];
for (j=0;j<4;j++)
holdDots[j]=dotMap[currentRow*4+j];
for (i=0;i<4;i++) // Award white pegs
for (j=0;j<4;j++)
if (holdDots[j]==secretCol[i])
{
pointMap[currentRow*4+rightCol++]=0;
holdDots[j]=-1;
j=4;
}
for (j=0;j<4;j++) // And black ones
{
if (secretCol[j]==dotMap[currentRow*4+j])
rightPlace++;
}
for (j=0;j=0)
pointDot(g,101+k*12,
206-currentRow*28+j*12,pointMap[currentRow*4+j*2+k]);
if (rightPlace==4) // All correct?
{
g.setColor(Color.black);
g.drawString("WELL DONE!",168,20);
currentRow=8;
}
currentRow++;
if (currentRow>7) // Game over?
{
if (rightPlace<4) // Didn't make it?
{
g.setColor(Color.black);
g.drawString("Sorry!",188,15);
for (j=0;j<4;j++)
boardDot(g,163+j*21,20,secretCol[j]);
}
gameGoing=false;
g.setColor(Color.gray);
g.fill3DRect(175,218,60,18,true);
g.setColor(Color.white);
g.drawString("Start",191,231);
}
}
}
public void paint(Graphics g)
{
bufg.setColor(Color.lightGray); // Clear offcreen image buffer
bufg.fillRect(0,0,250,250);
// Draw the board itself
bufg.setColor(Color.gray);
for (i=0;i<5;i++)
bufg.fill3DRect(i,i,136-2*i,242-2*i,true);
for (i=0;i<8;i++)
{
bufg.draw3DRect(10,10+i*28,88,25,false);
bufg.draw3DRect(100,10+i*28,25,25,false);
}
bufg.fillPolygon(shadX,shadY,7);
for (i=0;i<8;i++)
{
// Draw colored pins or just holes
for (j=0;j<4;j++)
if (dotMap[i*4+j]<0)
boardHole(bufg,13+j*21,209-i*28);
else
boardDot(bufg,13+j*21,209-i*28,dotMap[i*4+j]);
// Draw the score pins or holes
for (j=0;j<2;j++)
for (k=0;k<2;k++)
if (pointMap[i*4+j*2+k]<0)
pointHole(bufg,101+k*12,206-i*28+j*12);
else
pointDot(bufg,101+k*12,
206-i*28+j*12,pointMap[i*4+j*2+k]);
}
// Draw the right field
bufg.setColor(Color.gray);
bufg.fill3DRect(160,92,90,151,true);
bufg.fill3DRect(161,93,88,149,true);
bufg.setColor(Color.gray);
bufg.fill3DRect(175,218,60,18,true);
bufg.setColor(Color.white);
if (gameGoing)
bufg.drawString("End",195,231);
else
bufg.drawString("Start",191,231);
for (i=0;i<3;i++)
for (j=0;j<2;j++)
{
fixDisc(bufg,169+j*40,99+i*40,32,Color.black);
fixDisc(bufg,170+j*40,100+i*40,30,darks[i*2+j]);
fixDisc(bufg,171+j*40,101+i*40,25,lights[i*2+j]);
fixDisc(bufg,175+j*40,105+i*40,7,Color.white);
if (pickable[i*2+j])
fixCircle(bufg,168+j*40,98+i*40,34,Color.white);
}
bigPeg(bufg,pickedCol);
g.drawImage(buffer,0,0,this); // Copy image buffer to screen
}
public void update(Graphics g)
{
if (drawBoard)
paint(g);
else
{ // Process small changes
switch(changedGrfx)
{
case 0: // Peg placed in hole?
i=pickedDot/4;
j=pickedDot-i*4;
dotMap[pickedDot]=pickedCol;
boardDot(g,13+j*21,209-i*28,pickedCol);
checkDots(g);
break;
case 1: // New color selected?
bigPeg(g,pickedCol);
break;
case 2: // Color availability toggled?
i=changedCol/2;
j=changedCol-i*2;
if (pickable[changedCol])
fixCircle(g,168+j*40,98+i*40,34,Color.white);
else
fixCircle(g,168+j*40,98+i*40,34,Color.gray);
break;
case 3: // Given up?
g.setColor(Color.gray);
g.fill3DRect(175,218,60,18,true);
g.setColor(Color.white);
g.drawString("Start",191,231);
break;
default:
break;
}
drawBoard=true;
}
}
}