APPENDIX B

MARBLES WORLD CLIENT CODE

import java.awt.*;

import java.applet.*;

import java.util.*;

import java.io.*;

import java.net.*;

import java.util.Date;

import vrml.external.field.*;

import vrml.external.Node;

import vrml.external.Browser;

import vrml.external.exception.*;

import netscape.javascript.JSObject;

import dtai.net.*;

// ball.e is currently as follows:

// #

// 0 - no effect

// 1 - non-collidable

// 2 - anti-gravity

// 3 - stop

// 4 - goal stealing

// 5 - add a fence

// 6 - bigger

//-------------------------------------------------------------------

// This is the main applet class

public class Marbles extends Applet implements EventOutObserver {

TextArea output = null;

//Main Window for Controls

MainWindow b;

// Browser we're using

Browser browser;

// Root of the scene graph (to which we add our clumps)

Node board = null;

Node pointer = null;

Node designer = null;

Node sides = null;

Node slant = null;

Node pitem[] = {null,null,null,null,null,null,null};

Node slqu[] = {null,null,null,null};

Node material = null;

EventInSFColor diffuseColor = null;

EventInMFNode addPI[] = {null,null,null,null,null,null,null};

EventInMFNode removePI[] = {null,null,null,null,null,null,null};

EventInMFNode addslqu[] = {null,null,null,null};

EventInMFNode removeslqu[] = {null,null,null,null};

Node gl[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

EventInMFNode addGoal[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

EventInMFNode removeGoal[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

Node sensor[] = {null,null,null,null,null,null,null};

Node slantSensor[] = {null,null,null,null};

Node wrapSensor = null;

Node root[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

EventInMFNode addChildren[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

EventOutSFVec3f translation_changed[] = {null,null,null,null,null,null,null,null,null,null};

EventOutSFVec3f pointer_changed = null;

EventInSFVec3f pointer_translation = null;

EventInMFNode addSides = null;

EventInMFNode removeSides = null;

EventInMFNode removeChildren[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

EventInSFVec3f set_translation[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

EventInSFVec3f slant_translation = null;

EventInSFVec3f set_scale[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

EventInSFRotation slant_rotation = null;

EventOutSFTime touchTime[] = {null,null,null,null,null,null,null};

EventOutSFTime slantTouchTime[] = {null,null,null,null};

EventOutSFTime wrapTouchTime = null;

EventOutSFVec3f hitb = null;

EventOutSFVec3f hitt = null;

Node[] goalshape[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

Node[] pshape[] = {null,null,null,null,null,null,null,null,null,null};

Node[] qshape[] = {null,null,null,null};

Node[] shape = null;

Node[] bumpers = null;

Node[] pieceshape[] = {null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null};

int marker=0;

int newpiecex=0, newpiecey=0;

int curnode=0;

int curtype=0;

double hitpoint[] = {0.0,0.0,0.0,0.0};

float offsetx=0.0f,offsety=0.0f,oldx=0.0f,oldy=0.0f,oldz=0.0f;

int mode = 0;

boolean speedtest=true; //test the speed of the animator for each client

int qno = 103;

boolean designing = false;

int lastmodesent = 0;

Player[] player = new Player[4]; // array of players

int pn; //client player number

int nump=0;

int numplay=0;

int turncolor=1;

int sim_type=1;

public final static int PORT=8765;

PieceList pl = new PieceList(7);

EffectList el = new EffectList(7);

Image image[]={null,null,null,null,null,null,null};

PortToServer pts;

public void init() {

//

// Initialize connection to Cosmo Player

//

JSObject win = JSObject.getWindow(this);

JSObject doc = (JSObject) win.getMember("document");

JSObject embeds = (JSObject) doc.getMember("embeds");

browser = (Browser) embeds.getSlot(0);

try {

pts = new PortToServer(this.getCodeBase().getHost(),PORT,this);

pts.start();

for(int x=0;x<100;x++) {

root[x] = browser.getNode("T" + x);

addChildren[x] = (EventInMFNode) root[x].getEventIn("addChildren");

removeChildren[x] = (EventInMFNode) root[x].getEventIn("removeChildren");

set_translation[x] = (EventInSFVec3f) root[x].getEventIn("translation");

set_scale[x] = (EventInSFVec3f) root[x].getEventIn("scale");

}

for(int x=0;x<4;x++) {

slantSensor[x] = browser.getNode("SS" + x);

slantTouchTime[x] = (EventOutSFTime) slantSensor[x].getEventOut("touchTime");

slantTouchTime[x].advise(this, new Integer(10 + x));

slqu[x] = browser.getNode("SQ" + x);

addslqu[x] = (EventInMFNode) slqu[x].getEventIn("addChildren");

removeslqu[x] = (EventInMFNode) slqu[x].getEventIn("removeChildren");

}

for(int x=0;x<7;x++) {

pitem[x] = browser.getNode("PI" + x);

addPI[x] = (EventInMFNode) pitem[x].getEventIn("addChildren");

removePI[x] = (EventInMFNode) pitem[x].getEventIn("removeChildren");

}

for(int x=0;x<30;x++) {

gl[x] = browser.getNode("G" + x);

addGoal[x] = (EventInMFNode) gl[x].getEventIn("addChildren");

removeGoal[x] = (EventInMFNode) gl[x].getEventIn("removeChildren");

}

board = browser.getNode("TSB");

slant = browser.getNode("BOARD");

wrapSensor = browser.getNode("WRAP");

wrapTouchTime = (EventOutSFTime) wrapSensor.getEventOut("touchTime");

wrapTouchTime.advise(this, new Integer(14));

pointer = browser.getNode("T100");

pointer_translation = (EventInSFVec3f) pointer.getEventIn("translation");

slant_rotation = (EventInSFRotation) slant.getEventIn("rotation");

slant_translation = (EventInSFVec3f) slant.getEventIn("translation");

pointer_changed = (EventOutSFVec3f) pointer.getEventOut("translation_changed");

designer = browser.getNode("TSD");

sides = browser.getNode("SIDES");

addSides = (EventInMFNode) sides.getEventIn("addChildren");

removeSides = (EventInMFNode) sides.getEventIn("removeChildren");

for(int x=0;x<7;x++) {

sensor[x] = browser.getNode("TS" + x);

touchTime[x] = (EventOutSFTime) sensor[x].getEventOut("touchTime");

touchTime[x].advise(this, new Integer(x+1));

}

// Get the material node...

material = browser.getNode("MAT");

// Get the diffuseColor EventIn

diffuseColor = (EventInSFColor) material.getEventIn("set_diffuseColor");

// Get Hit Point for Board

hitb = (EventOutSFVec3f) board.getEventOut("translation_changed");

hitt = (EventOutSFVec3f) designer.getEventOut("hitPoint_changed");

// Set up the callback

hitb.advise(this, new Integer(0));

hitt.advise(this, new Integer(7));

}

catch (InvalidVrmlException e) {

showStatus("PROBLEMS!: " + e);

}

catch (InvalidEventInException e) {

showStatus("PROBLEMS!: " + e);

}

catch (InvalidEventOutException e) {

showStatus("PROBLEMS!: " + e);

}

catch (IOException e) {

showStatus("PROBLEMS!: " + e.toString());

}

b = new MainWindow("Controls",true,this);

b.resize(250,480);

if(sim_type==0) {b.show();}

b.start();

for(int x=0;x<4;x++) {

addPlayer(new Player());

}

for(int ww=0;ww<4;ww++) {

addSlQu(ww,0,true);

}

for(int xx=1;xx<8;xx++) {

pl.AddtoPieceList(xx);

el.AddtoEffectList(xx);

}

}

public void callback(EventOut who, double when, Object which) {

Integer whichNum = (Integer) which;

if (whichNum.intValue()>0 && whichNum.intValue()<10 ) {

if(!designing && turncolor==pn && sim_type==0){

float[] val = hitb.getValue();

offsetx = val[0];

offsety = val[1];

UpdatePointer(0,0,0,30,0,0,0,0);

oldx = 0;

oldy = 0;

}

}

if (whichNum.intValue()==0) {

float[] val = hitb.getValue();

UpdateVRML(4,curnode,oldx,oldy,oldz,val[0],val[1],offsetx,offsety);

UpdatePointer(1,oldx,oldy,oldz,val[0],val[1],offsetx,offsety);

}

else if (whichNum.intValue()>0 && whichNum.intValue()<8) {

int iv=whichNum.intValue()-1;

if (mode==1 && !designing && pl.l[iv]>0 && turncolor==pn && sim_type==0) {

if(pl.l[iv]==1 || pl.l[iv]==6 || pl.l[iv]==7) {

curnode=b.anim.num;

} else {

curnode=50+b.anim.numo;

}

curtype=pl.l[iv];

addNode(curnode,curtype,0,0,0,0,0);

designing = true;

} else if (mode==2) {

b.anim.ars.AddToArsenal(el.l[iv]);

} else if (mode==3){

String eventstring = "3" + ((100*pn) + b.anim.ars.TakeFromArsenal(iv));

eventstring = eventstring + (b.anim.count+b.anim.eql);

pts.writeToServer(eventstring);

ReplaceNode(0,iv,LoadString());

eventstring = "3" + (100*pn);

eventstring = eventstring + (b.anim.count+b.anim.eqd);

pts.writeToServer(eventstring);

}

}

else if (whichNum.intValue()>=10 && whichNum.intValue()<=13) { //if animating, slant added to queue

if(mode==1 && lastmodesent==0) { //ignore request for mode change if already made a request -- only server updates mode

pts.writeToServer("92");

lastmodesent++;

//Paletize(2);

}

else if(mode==2 && lastmodesent==1) {

pts.writeToServer("93");

if(designing==true) {

removeChildren[curnode].setValue(pieceshape[curnode]);

designing=false;

}

UpdatePointer(0,0,0,30,0,0,0,0);

lastmodesent++;

Bumpers(1);

b.anim.wrapon = false;

//Paletize(3);

}

else if(mode==3&&turncolor==pn) {

pts.writeToServer("2" + (whichNum.intValue()-9));

}

}

else if (whichNum.intValue()==14) {

if(mode==0) {

pts.writeToServer("6" + pn); //request goals for next round

Paletize(1);

mode=1;

UpdateColor(0,turncolor);

//Four Corner Balls

b.anim.ball[0].x=500; b.anim.ball[0].y=100; b.anim.ball[0].m=b.anim.bm;

addNode(0,0,20,1,1,0,0);

//if(b.anim.rules.roundtype==0) { addNode(0,0,20,1,1,0,0); }

//else if(b.anim.rules.roundtype==1) { addNode(0,0,20,0,1,0,0); }

//else if(b.anim.rules.roundtype==2) { addNode(0,0,20,0,0,1,0); }

b.anim.ball[1].x=100; b.anim.ball[1].y=500; b.anim.ball[1].m=b.anim.bm;

addNode(1,0,20,1,0,0,0);

//if(b.anim.rules.roundtype==0) { addNode(1,0,20,1,0,0,0); }

//else if(b.anim.rules.roundtype==1) { addNode(1,0,20,.6,1,0,0); }

//else if(b.anim.rules.roundtype==2) { addNode(1,0,20,1,0,0,0); }

b.anim.ball[2].x=900; b.anim.ball[2].y=500; b.anim.ball[2].m=b.anim.bm;

addNode(2,0,20,0,0,1,0);

//if(b.anim.rules.roundtype==0) { addNode(2,0,20,0,0,1,0); }

//else if(b.anim.rules.roundtype==1) { addNode(2,0,20,0,1,.6,0); }

//else if(b.anim.rules.roundtype==2) { addNode(2,0,20,1,.4,0,0); }

b.anim.ball[3].x=500; b.anim.ball[3].y=900; b.anim.ball[3].m=b.anim.bm;

addNode(3,0,20,0,1,0,0);

//if(b.anim.rules.roundtype==0) { addNode(3,0,20,0,1,0,0); }

//else if(b.anim.rules.roundtype==1) { addNode(3,0,20,0,1,.4,0); }

//else if(b.anim.rules.roundtype==2) { addNode(3,0,20,0,.6,1,0); }

}

else if(mode>1) {

//Do nothing

} else {

if(sim_type==0) {

removeChildren[curnode].setValue(pieceshape[curnode]);

pts.writeToServer("4" + pn + "" + curtype + (100 + curnode) + (1000 + newpiecex) + (1000 + newpiecey));

designing = false;

}

}

}

}

public String LoadString() {

String shapestring;

shapestring = "Transform {\n" +

" children [\n" +

" Shape {\n" +

" appearance Appearance {\n";

shapestring = shapestring + " material Material { diffuseColor " + b.anim.ps.GetPiecesString(0);

shapestring = shapestring + " }\n]}\n";

return shapestring;

}

public void UpdateVRML (int f, int m, float x, float y, float z, float px, float py, float opx, float opy) {

float[] val = new float[3];

if(f==0) {

val[0] = 6.0f;

val[1] = y + py - opy;

val[2] = z - px + opx;

set_translation[m].setValue(val);

}

else if (f==1 || f==4) {

val[0] = x + px - opx;

val[1] = y + py - opy;

if (m==101){

val[2] = z;

slant_translation.setValue(val);

} else {

val[2] = 0.35f;

set_translation[m].setValue(val);

}

if(f==4) {

newpiecex = (int)val[0]; //prepare for final location to send to other players

newpiecey = (int)val[1];

}

}

else if (f==2) {

val[0] = 0.0f;

val[1] = 0.0f;

val[2] = -400.0f;

slant_translation.setValue(val);

}

else if (f==3) {

val[0] = x;

val[1] = y;

val[2] = 0.35f;

set_translation[m].setValue(val);

}

}

public void UpdatePointer (int f, float x, float y, float z, float px, float py, float opx, float opy) {

float[] val = new float[3];

if(f==0) {

val[0] = 0.0f;

val[1] = 0.0f;

val[2] = z;

pointer_translation.setValue(val);

}

else if (f==1) {

val[0] = x + px - opx;

val[1] = y + py - opy;

val[2] = 30.0f;

pointer_translation.setValue(val);

}

}

public void UpdateRotation (int m, int f) {

float[] val = new float[4];

if (f==0) {

val[0] = 1.0f;

val[1] = 0.0f;

val[2] = 0.0f;

val[3] = -0.4f;

slant_rotation.setValue(val);

}

else if (f==1) {

val[0] = 0.0f;

val[1] = 1.0f;

val[2] = 0.0f;

val[3] = 0.4f;

slant_rotation.setValue(val);

}

else if (f==2) {

val[0] = 1.0f;

val[1] = 0.0f;

val[2] = 0.0f;

val[3] = 0.4f;

slant_rotation.setValue(val);

}

else if (f==3) {

val[0] = 0.0f;

val[1] = 1.0f;

val[2] = 0.0f;

val[3] = -0.4f;

slant_rotation.setValue(val);

}

else {

val[0] = 1.0f;

val[1] = 0.0f;

val[2] = 0.0f;

val[3] = 0.0f;

slant_rotation.setValue(val);

}

}

public void UpdateColor (int m, int i) {

float[] val = new float[3];

if(i==0) {

val[0] = 1.0f;

val[1] = 1.0f;

val[2] = 1.0f;

}

else if (i==1) {

val[0] = 1.0f;

val[1] = 0.0f;

val[2] = 0.0f;

}

else if (i==2) {

val[0] = 0.0f;

val[1] = 0.0f;

val[2] = 1.0f;

}

else if (i==3) {

val[0] = 0.0f;

val[1] = 1.0f;

val[2] = 0.0f;

}

else if (i==4) {

val[0] = 1.0f;

val[1] = 1.0f;

val[2] = 0.0f;

}

else {

val[0] = 1.0f;

val[1] = 1.0f;

val[2] = 1.0f;

}

if(m==0) { diffuseColor.setValue(val); }

}

public void UpdateScale (int i, float x) {

float[] val = new float[3];

val[0] = x;

val[1] = x;

val[2] = x;

set_scale[i].setValue(val);

}

public void Paletize(int mode) {

String shapestring = "";

int n=0;

int slot=0;

for(int nn=0;nn<7;nn++) {

if(mode==1) { n=pl.l[nn]; } else if(mode==2) { n=el.l[nn]; } else { n=nn; }

shapestring = "Transform {\n" +

" children [\n" +

" Shape {\n" +

" appearance Appearance {\n";

if(mode==1||mode==4) {

shapestring = shapestring + " material Material { diffuseColor " + b.anim.ps.GetPiecesString(n);

} else if(mode==2) {

shapestring = shapestring + " material Material { diffuseColor " + b.anim.es.GetEffectsString(n);

} else if (mode==3) {

shapestring = shapestring + " material Material { diffuseColor " + b.anim.es.GetEffectsString(b.anim.ars.ReadFromArsenal(n));

}

if((mode==1||mode==4)&&n==4) {

shapestring = shapestring + " }\n] rotation 0 0 1 .78 }\n";

} else if((mode==1||mode==4)&&n==5) {

shapestring = shapestring + " }\n] rotation 0 0 1 -.78 }\n";

} else {

shapestring = shapestring + " }\n]}\n";

}

if(mode==1&&b.anim.round==1) {

ReplaceNode(2,slot++,shapestring);

} else {

ReplaceNode(0,slot++,shapestring);

}

}

}

public void addNode(int whichnode, int index, double radius, double bx, double by, double ex, double ey) {

String shapestring = "";

try {

if(whichnode >= 100) { return; }

shapestring = "Transform {\n" +

" children [\n" +

" Shape {\n" +

" appearance Appearance {\n" +

" material Material { diffuseColor ";

if(index==1 || index==6) {

shapestring = shapestring + b.anim.ps.GetPiecesString(index) +

" }\n" +

"] translation 0 0 15 }\n";

}

if(index==0) {

shapestring = shapestring + " " + bx + " " + by + " " + ex + " }\n" +

" }\n" +

" geometry Sphere {radius " + radius + " }\n" +

" }\n" +

"]}\n";

}

else if(index==4) {

shapestring = shapestring + b.anim.ps.GetPiecesString(2) +

" }\n" +

"] rotation 0 0 1 .78 }\n";

}

else if(index==5) {

shapestring = shapestring + b.anim.ps.GetPiecesString(2) +

" }\n" +

"] rotation 0 0 1 -.78 }\n";

}

else {

shapestring = shapestring + b.anim.ps.GetPiecesString(index) +

" }\n" +

"]}\n";

}

ReplaceNode(1,whichnode,shapestring);

curnode=whichnode;

}

catch (InvalidNodeException e) {

}

catch (InvalidEventInException e) {

}

catch (InvalidVrmlException e) {

}

}

public void ReplaceNode(int where, int ndx, String str) {

String shapestring = "";

try {

if(where==0) { //Palette Piece Replace

removePI[ndx].setValue(pshape[ndx]);

pshape[ndx] = browser.createVrmlFromString(str);

addPI[ndx].setValue(pshape[ndx]);

} else if(where==1) { //Add a Board Piece

pieceshape[ndx] = browser.createVrmlFromString(str);

addChildren[ndx].setValue(pieceshape[ndx]);

} else if(where==2) { //Pallete Piece New

pshape[ndx] = browser.createVrmlFromString(str);

addPI[ndx].setValue(pshape[ndx]);

}

}

catch (InvalidNodeException e) {

}

catch (InvalidEventInException e) {

}

catch (InvalidVrmlException e) {

}

}

public void addGoal(int whichgoal, int color, double goalx, double goaly) {

String shapestring = "";

String colorstring = "";

try {

if(whichgoal >= b.anim.maxg) { return; }

if(color==0) {

colorstring = "1 1 0";

} else if (color==1) {

colorstring = "1 0 0";

} else if (color==2) {

colorstring = "0 0 1";

} else if (color==3) {

colorstring = "0 1 0";

} else colorstring = "0 0 0";

shapestring = "Transform {\n" +

" children [\n" +

" Shape {\n" +

" appearance Appearance {\n" +

" material Material { diffuseColor " + colorstring + " }\n" +

" }\n" +

" geometry Cylinder {radius 20 height 5 }\n" +

" }\n" +

"] translation " + goalx + " " + goaly + " 0 \n" +

" rotation 1 0 0 1.57 }\n";

goalshape[whichgoal] = browser.createVrmlFromString(shapestring);

addGoal[whichgoal].setValue(goalshape[whichgoal]);

}

catch (InvalidNodeException e) {

}

catch (InvalidEventInException e) {

}

catch (InvalidVrmlException e) {

}

}

public void addSlQu(int whichslqu, int color, boolean initial) {

String shapestring = "";

String colorstring = "";

String coordstring = "";

String transstring = "";

try {

if(whichslqu >= 4 || whichslqu < 0) {

return;

} else if (whichslqu==0) {

transstring = "-200 300 0";

} else if (whichslqu==1) {

transstring = "-200 400 0";

} else if (whichslqu==2) {

transstring = "-200 500 0";

} else {

transstring = "-200 600 0";

}

if (color==1) {

colorstring = "0 1 0";

coordstring = "point [ 0 0 25, 100 0 25, 100 100 -25, 0 100 -25 ]";

} else if (color==2) {

colorstring = "0 0 1";

coordstring = "point [ 0 0 25, 100 0 -25, 100 100 -25, 0 100 25 ]";

} else if(color==3) {

colorstring = "1 1 0";

coordstring = "point [ 0 0 -25, 100 0 -25, 100 100 25, 0 100 25 ]";

} else if (color==4) {

colorstring = "1 0 0";

coordstring = "point [ 0 0 -25, 100 0 25, 100 100 25, 0 100 -25 ]";

} else {

colorstring = "0 0 0 transparency 1";

}

if(!initial) {

removeslqu[whichslqu].setValue(qshape[whichslqu]);

}

shapestring = "Transform {\n" +

" children [\n" +

" Shape {\n" +

" appearance Appearance {\n" +

" material Material { diffuseColor " + colorstring + " }\n" +

" }\n" +

" geometry IndexedFaceSet {\n" +

" coord Coordinate {\n" +

" " + coordstring + "\n" +

" }\n" +

" coordIndex [ 0, 1, 2, 3 ]\n" +

" }\n" +

" }\n" +

" ] translation " + transstring + "\n" +

"}\n";

qshape[whichslqu] = browser.createVrmlFromString(shapestring);

addslqu[whichslqu].setValue(qshape[whichslqu]);

}

catch (InvalidNodeException e) {

}

catch (InvalidEventInException e) {

}

catch (InvalidVrmlException e) {

}

}

public void Bumpers(int whichmode) {

String colorstring = "";

if(pn==1){colorstring = " 1 0 0 ";}

else if(pn==2){colorstring = " 0 0 1 ";}

else if(pn==3){colorstring = " 0 1 0 ";}

else if(pn==4){colorstring = " 1 1 0 ";}

try {

if(whichmode == 1) { //Ball

bumpers = browser.createVrmlFromString("Transform {\n" +

" children [\n" +

" Transform {\n" +

" children [\n" +

" DEF Bumper Shape {\n" +

" appearance Appearance {\n" +

" material Material { diffuseColor " + colorstring + "}\n" +

" }\n" +

" geometry Box {}\n" +

" }\n" +

" ]\n" +

" scale 30 500 30\n" +

" translation -30 500 2\n" +

" },\n" +

" Transform {\n" +

" children [\n" +

" USE Bumper\n" +

" ]\n" +

" scale 30 500 30\n" +

" translation 1030 500 2\n" +

" },\n" +

" Transform {\n" +

" children [\n" +

" USE Bumper\n" +

" ]\n" +

" scale 560 30 30\n" +

" translation 500 1030 2\n" +

" },\n" +

" Transform {\n" +

" children [\n" +

" USE Bumper\n" +

" ]\n" +

" scale 560 30 30\n" +

" translation 500 -30 2\n" +

" },\n" +

"]}\n");

addSides.setValue(bumpers);

}

else {

removeSides.setValue(bumpers);

}

}

catch (InvalidNodeException e) {

}

catch (InvalidEventInException e) {

}

catch (InvalidVrmlException e) {

}

}

public void addPlayer(Player p) {

if (nump<4) player[nump++] = p;

}

public void stop() {

if (b!=null) b.stop();

}

//{{DECLARE_CONTROLS

//}}

}

//-------------------------------------------------------------------

// This class controls the main window

class MainWindow extends Frame {

Animator anim;

Ticker tick;

Thread anim_thread;

Thread tick_thread;

boolean is_applet;

Marbles i;

MyFrame pwindow;

Scrollbar mgrav,fric,rest;

TextField grav;

Label label1,label2,label3,label4,label5,label6,label7,label8,label9,inst;

Checkbox trace,collide,mush,wrap,smooth,filled,cb1,cb2,cb3,cb4,cb5,cb6,cb7,cb8,cb9;

// This method creates layout and main objects.

MainWindow(String title, boolean isapp, Marbles i_in) {

super(title);

is_applet = isapp;

i = i_in;

Panel p = new Panel(); // control panel

Label n = new Label("Marbles 1.0");

p.setLayout(new GridLayout(0,1)); // vertical layout

p.setFont(new Font("Helvetica",Font.BOLD,12));

n.setFont(new Font("TimesRoman",Font.BOLD,16));

p.add(n);

p.add(new Button("quit"));

p.add(inst=new Label(""));

p.add(grav=new TextField(40));

grav.setText("");

p.add(label1=new Label(""));

p.add(cb1=new Checkbox(""));

p.add(label2=new Label(""));

p.add(cb2=new Checkbox(""));

p.add(label3=new Label(""));

p.add(cb3=new Checkbox(""));

p.add(label4=new Label(""));

p.add(cb4=new Checkbox(""));

p.add(label5=new Label(""));

p.add(cb5=new Checkbox(""));

p.add(label6=new Label(""));

p.add(cb6=new Checkbox(""));

p.add(label7=new Label(""));

p.add(cb7=new Checkbox(""));

p.add(label8=new Label(""));

p.add(cb8=new Checkbox(""));

p.add(label9=new Label(""));

p.add(cb9=new Checkbox(""));

//Qgov();

Qctime();

tick = new Ticker(p); // pace maker for the animator

anim = new Animator(tick,p,this);

setLayout(new BorderLayout(2,2));

add("Center",anim);

add("West",p);

pwindow = new MyFrame("Choose Pieces",i);

pwindow.resize(400,480);

pwindow.hide();

}

// This starts the threads.

public void start() {

if (anim_thread==null) {

anim_thread = new Thread(anim);

anim_thread.start(); // start new thread

}

if (tick_thread==null) {

tick_thread = new Thread(tick);

tick_thread.start(); // start new thread

}

}

// This stops the threads.

public void stop() {

if (anim_thread!=null) {

anim_thread.stop(); // kill the thread

anim_thread = null; // release object

}

if (tick_thread!=null) {

tick_thread.stop(); // kill the thread

tick_thread = null; // release object

}

}

// These handle user input events.

public boolean action(Event e, Object arg) {

if (e.target instanceof Button) {

if (((String)arg).equals("quit")) {

stop();

hide(); // I don't know if all this is necessary.

removeAll();

dispose();

if (!is_applet) System.exit(0);

}

else return false;

return true;

}

if(cb1.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "0");

cb1.setState(false);

}

else if(cb2.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "1");

cb2.setState(false);

}

else if(cb3.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "2");

cb3.setState(false);

}

else if(cb4.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "3");

cb4.setState(false);

}

else if(cb5.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "4");

cb5.setState(false);

}

else if(cb6.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "5");

cb6.setState(false);

}

else if(cb7.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "6");

cb7.setState(false);

}

else if(cb8.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "7");

cb8.setState(false);

}

else if(cb9.getState()==true) {

i.pts.writeToServer("1" + i.qno + "" + i.pn + "8");

cb9.setState(false);

}

return false;

}

protected void Qgov() {

labelCheckBoxes("What Government Type?","Democratic","Democratic Hi-Lo",

"Autocratic","","","","","","");

}

protected void Qlibrary() {

labelCheckBoxes("Library Game or Players Rules","Library","Players",

"","","","","","","");

}

protected void Qchange() {

labelCheckBoxes("Which Do You Want To Change Next Round?","Government","Objects",

"Events","Physics","Rules","Winning","","","");

}

protected void QnumEvents() {

labelCheckBoxes("How Many Event Types Would You Like?","1","2",

"3","4","5","6","7","","");

}

protected void QnumPieces() {

labelCheckBoxes("How Many Piece Types Would You Like?","1","2",

"3","4","5","6","7","","");

}

protected void QnumArsenal() {

labelCheckBoxes("How Many Arsenal Items Would You Like?","1","2",

"3","4","5","6","7","","");

}

protected void Qctime() {

labelCheckBoxes("How Much Time To Make Choices?","5 seconds","10 seconds",

"15 seconds","20 seconds","25 seconds","30 seconds","45 seconds",

"1 minute","2 minutes");

}

protected void QslantQtype() {

labelCheckBoxes("How Should the Slant Queue Work?","Take Turns",

"FIFO","Random","","","","","","");

}

protected void QslantQwrap() {

labelCheckBoxes("Should the Slant Queue Wrap to Next Round?","YES",

"NO","","","","","","","");

}

protected void QslantQtime() {

labelCheckBoxes("How Often Should Slant Change?","20 frames","40 frames",

"60 frames","80 frames","100 frames","120 frames","150 frames",

"","");

}

protected void Qbumpers() {

labelCheckBoxes("Should There Be Bumpers?","YES",

"NO","Change w/Turns","","","","","","");

}

protected void Qwinning() {

labelCheckBoxes("How Compensated for Winning?","More Goals","Bigger Ball",

"More Points/Goal","","","","","","");

}

protected void QnextRound() {

labelCheckBoxes("What Type of Round Next?","Competitive","Collaborative",

"Teams of 2","","","","","","");

}

protected void QeventQlag() {

labelCheckBoxes("How Many Frames for Event Queue Lag?","20 frames","30 frames",

"40 frames","50 frames","60 frames","70 frames","","","");

}

protected void QeventDuration() {

labelCheckBoxes("How Many Frames Is Event Active?","40 frames","60 frames",

"80 frames","100 frames","120 frames","150 frames","","","");

}

protected void Qgravity() {

labelCheckBoxes("How High Gravity (1-low,9-high)?","1","2",

"3","4","5","6","7","8","9");

}

protected void Qrestitution() {

labelCheckBoxes("How High Restitution (1-low,9-high)?","1","2",

"3","4","5","6","7","8","9");

}

protected void Qmass() {

labelCheckBoxes("How High Mass (1-low,9-high)?","1","2",

"3","4","5","6","7","8","9");

}

protected void Qviscosity() {

labelCheckBoxes("How High Viscosity (1-low,9-high)?","1","2",

"3","4","5","6","7","8","9");

}

protected void Qpieces() {

for(int x=1;x<7;x++) {

i.image[x-1]=i.getImage(i.getCodeBase(), "images/" + x + ".gif");

}

pwindow.label11.setText("Small Spherical Barrier");

pwindow.label12.setText("Horizontal Stick Barrier");

pwindow.label13.setText("Vertical Stick Barrier");

pwindow.label14.setText("Vertical Rotated 45 Degrees");

pwindow.label15.setText("Vertical Rotated -45 Degrees");

pwindow.label16.setText("Variable Size Spherical Barrier");

pwindow.label17.setText("Pendulum");

pwindow.label18.setText("Rotating Cross");

pwindow.label19.setText("");

pwindow.label20.setText("");

pwindow.show(); //.hide() will hide the window.

}

protected void Qeffects() {

for(int x=1;x<7;x++) {

i.image[x-1]=null;

i.image[x-1]=i.getImage(i.getCodeBase(), "images/10" + x + ".gif");

}

pwindow.label11.setText("No Collisions");

pwindow.label12.setText("Anti-Gravity");

pwindow.label13.setText("Stop");

pwindow.label14.setText("Grab A Goal");

pwindow.label15.setText("Create a New Barrier");

pwindow.label16.setText("Double Ball Radius");

pwindow.label17.setText("");

pwindow.label18.setText("");

pwindow.label19.setText("");

pwindow.label20.setText("");

pwindow.show(); //.hide() will hide the window.

}

protected void labelCheckBoxes(String txt, String cblbl1, String cblbl2, String cblbl3,

String cblbl4, String cblbl5, String cblbl6,

String cblbl7, String cblbl8, String cblbl9) {

inst.setText(txt);

label1.setText(cblbl1);

label2.setText(cblbl2);

label3.setText(cblbl3);

label4.setText(cblbl4);

label5.setText(cblbl5);

label6.setText(cblbl6);

label7.setText(cblbl7);

label8.setText(cblbl8);

label9.setText(cblbl9);

}

//{{DECLARE_CONTROLS

//}}

//{{DECLARE_MENUS

//}}

}

class MyFrame extends Frame {

Checkbox cb11,cb12,cb13,cb14,cb15,cb16,cb17,cb18,cb19,cb20;

Label label11,label12,label13,label14,label15,

label16,label17,label18,label19,label20;

MyCanvas pPictures;

Marbles m;

int fmode=0;

MyFrame(String title, Marbles m_in) {

super(title);

m = m_in;

setLayout(new GridLayout(1,3,0,0));

Panel one=new Panel();

Panel three=new Panel();

add("first",one);

pPictures = new MyCanvas(this);

pPictures.setBackground(Color.black);

add(pPictures);

add("third",three);

one.setLayout(new GridLayout(11,1,0,0));

one.add(cb11=new Checkbox(""));

one.add(cb12=new Checkbox(""));

one.add(cb13=new Checkbox(""));

one.add(cb14=new Checkbox(""));

one.add(cb15=new Checkbox(""));

one.add(cb16=new Checkbox(""));

one.add(cb17=new Checkbox(""));

one.add(cb18=new Checkbox(""));

one.add(cb19=new Checkbox(""));

one.add(cb20=new Checkbox(""));

//one.add(new Button("OK"));

three.setLayout(new GridLayout(11,1,0,0));

three.add(label11=new Label(""));

three.add(label12=new Label(""));

three.add(label13=new Label(""));

three.add(label14=new Label(""));

three.add(label15=new Label(""));

three.add(label16=new Label(""));

three.add(label17=new Label(""));

three.add(label18=new Label(""));

three.add(label19=new Label(""));

three.add(label20=new Label(""));

}

public boolean action(Event e, Object arg) {

if(cb11.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "1");

cb11.setState(false);

}

if(cb12.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "2");

cb12.setState(false);

}

if(cb13.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "3");

cb13.setState(false);

}

if(cb14.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "4");

cb14.setState(false);

}

if(cb15.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "5");

cb15.setState(false);

}

if(cb16.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "6");

cb16.setState(false);

}

if(cb17.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "7");

cb17.setState(false);

}

if(cb18.getState()==true) {

m.pts.writeToServer("1" + m.qno + "" + m.pn + "8");

cb18.setState(false);

}

return true;

}

//{{DECLARE_CONTROLS

//}}

//{{DECLARE_MENUS

//}}

}

class MyCanvas extends Canvas {

MyFrame f;

MyCanvas(MyFrame f_in) {

f=f_in;

}

public void drawPieces() {

}

public void paint(Graphics g) {

for(int x=0;x<6;x++) {

g.drawImage(f.m.image[x],5,(x*40)+5,this);

}

}

}

//-------------------------------------------------------------------

// This class performs the animation in the main canvas.

class Animator extends Canvas implements Runnable {

final int max = 50;

final int maxeg = 30;

final int maxp = 20;

int maxg = 10;

int num=0; // number of balls

int numo=0; // number of obstacles

int numg=0; // number of goals

int captg=0; // number of captured goals

int round=1;

Ball[] ball = new Ball[max]; // array of balls

Obstacle[] obstacle = new Obstacle[max]; // array of obstacles

SlantQueue sq = new SlantQueue(60);

EffectsQueue eq = new EffectsQueue(60);

Effects es = new Effects(20);

Arsenal ars = new Arsenal(7);

Pieces ps = new Pieces(20);

Goal[] goal = new Goal[maxeg]; // array of goals

int goalvalue[]={100,100,100,100}; //current goal values

int[] rs = {0,0,0,0}; // round scores

Physics[] phys = new Physics[maxp]; // array of physics

Ticker tick;

long starttime;

boolean timeOK=true;

Date theDate;

long count=0;

MainWindow mw;

Rules rules = new Rules(); // Rules Structure

boolean clearAll;

// The following are some "physical" properties. Each property

// has a value and a control. The values are updated once per

// animation loop (this is for efficiency).

public double g,vg,hg,mg,f,r,bm;

public boolean trc,col,mu,wrapon,sm;

public int xsize,ysize,sqt,eql,eqd;

Animator(Ticker t, Panel p, MainWindow m) {

tick = t;

mw = m;

setBackground(Color.black);

xsize = 1000; //width of playing board

ysize = 1000; //height of playing board

vg = 0.0;

hg = 0.0;

sqt = 100;

eql = 50;

eqd = 150;

f = .50; //effect of viscosity

g = .25; //effect of gravity

r = .75; //effect of restitution

bm = 64; //ball mass

col = true;

wrapon = true;

loadPhysics();

}

// The run method updates the locations of the balls.

public void run() {

while(true) {

while (captg<numg || numg==0) {

if(mw.i.mode>2 || mw.i.speedtest) {

if(mw.i.speedtest && count==0) {

addBall(new Ball(64,20,Color.blue,500,100,0.0,0.0,this,0));

mw.i.addNode(num-1,0,20,1,1,1,0);

addBall(new Ball(64,20,Color.blue,100,500,0.0,0.0,this,0));

mw.i.addNode(num-1,0,20,1,1,1,0);

addBall(new Ball(64,20,Color.blue,900,500,0.0,0.0,this,0));

mw.i.addNode(num-1,0,20,1,1,1,0);

addBall(new Ball(64,20,Color.blue,500,900,0.0,0.0,this,0));

mw.i.addNode(num-1,0,20,1,1,1,0);

vg=.33;

theDate = new Date();

starttime = theDate.getTime();

}

for (int i=0; i<num; ++i) {

if(ball[i].e!=1) { //e=1 means not collidable

for (int j=0; j<numo; ++j) { //look for collisions with obstacles

ball[i].interact(obstacle[j]);

}

for (int j=i+1; j<num; ++j) { //look for collisions with balls

ball[i].interact(ball[j]);

}

}

if(i<4) { //ball is one of the players

for (int j=0; j<numg; ++j) { //look for collisions with goals

if (ball[i].interact(goal[j])) {

if(goal[j].c > 3 || ball[i].e==4) { //ball effect=4 is goal stealing

mw.i.removeGoal[j].setValue(mw.i.goalshape[j]);

if(goal[j].c > 3) {captg++;}

if(rules.roundtype==0) { goal[j].c = i; }

else if(rules.roundtype==1) { goal[j].c=3; }

else if(rules.roundtype==2) {

if(i==0||i==3) {

goal[j].c=2;

} else { goal[j].c=1; }

}

rs[i]=rs[i]+goalvalue[i]; //value for each goal

mw.i.addGoal(j,goal[j].c,goal[j].x,goal[j].y);

}

}

}

}

}

for (int j=0; j<num; ++j) {

if(ball[j].t==0) {

if(ball[j].e==3) { //e=3 is ball stoppage

ball[j].vx = 0.0;

ball[j].vy = 0.0;

} else {

ball[j].update();

}

}

if(ball[j].t==1) {

ball[j].vx = 0.0;

ball[j].vy = 0.0;

}

if(ball[j].t==2||ball[j].t==8) { //Pendulum

if(count%40==0) {

if(ball[j].t==2){

for(int k=1;k<5;k++) {

ball[j+k].x=ball[j].x-(21.25*k);

ball[j+k].y=ball[j].y-(10*k);

ball[j+k].vx=phys[k].x[0];

ball[j+k].vy=phys[k].y[0];

}

} else {

ball[j+1].y=ball[j].y+60;

ball[j+2].x=ball[j].x+60;

ball[j+3].y=ball[j].y-60;

ball[j+4].x=ball[j].x-60;

for(int k=1;k<5;k++) {

ball[j+k].vx=phys[k].x[0];

ball[j+k].vy=phys[k].y[0];

}

}

} else {

int index=0;

while(count%40>=phys[1].t[index]) {

index++;

}

for(int k=1;k<5;k++) {

if(ball[j].t==2){

ball[j+k].vx=phys[k].x[index];

ball[j+k].vy=phys[k].y[index];

} else {

ball[j+k].vx=phys[k+5].x[index];

ball[j+k].vy=phys[k+5].y[index];

}

}

}

for(int k=0;k<5;k++) {

ball[j+k].y += ball[j+k].vy;

ball[j+k].x += ball[j+k].vx;

mw.i.UpdateVRML(3,j+k,(float)ball[j+k].x,(float)ball[j+k].y,0,0,0,0,0);

}

j=j+4;

}

if(ball[j].t==3) { //Increasing Scale

ball[j].vx = 0.0;

ball[j].vy = 0.0;

ball[j].z *= 1.1;

mw.i.UpdateScale(j,(float)(ball[j].z/40));

if(ball[j].z > 40.0) {

ball[j].t = 4;

}

}

if(ball[j].t==4) { //Decreasing Scale

ball[j].vx = 0.0;

ball[j].vy = 0.0;

ball[j].z *= (1/1.1);

mw.i.UpdateScale(j,(float)(ball[j].z/40));

if(ball[j].z < 2.0) {

ball[j].t = 3;

}

}

}

}

DrawBalls();

tick.poll(); // wait for tick

if (mw.i.mode>2 || mw.i.speedtest) {

if (count%sqt==0) {

int qs=sq.TakeFromSlantQueue();

if (qs==1) {

vg = g;

hg = 0.0;

mw.i.UpdateRotation(0,0);

mw.i.UpdateVRML(1,101,0,0,100,0,0,0,0);

}

else if (qs==2) {

vg = 0.0;

hg = g;

mw.i.UpdateRotation(0,1);

mw.i.UpdateVRML(1,101,0,0,100,0,0,0,0);

}

else if (qs==3) {

vg = -g;

hg = 0.0;

mw.i.UpdateRotation(0,2);

mw.i.UpdateVRML(2,101,0,0,0,0,0,0,0);

}

else if (qs==4) {

vg = 0.0;

hg = -g;

mw.i.UpdateRotation(0,3);

mw.i.UpdateVRML(2,101,0,0,0,0,0,0,0);

}

int val=sq.InterrogateSlantQueue(0);

if((val==-1)&&(mw.i.pn==mw.i.turncolor)&&(mw.i.mode>2)) {

val=(int)((Math.random()*4)+1);

mw.i.pts.writeToServer("2" + val); //can't have an empty slant queue at any point in time

}

mw.i.addSlQu(0,val,false); //show next queue

val=-1;

for(int ww=1;ww<4;ww++) { //Show upcoming slants

val=sq.InterrogateSlantQueue(ww);

if(val>=0 && val<=4) { mw.i.addSlQu(ww,val,false); }

else if(val==-1) { mw.i.addSlQu(ww,0,false); }

}

}

//HandleEventsQueue

if (eq.GetEffectsQueueTime(0)<count) {

int cureffect = eq.GetEffectsQueueEffect(0); //cureffect is ball number plus event -- example: 101

int curballno = cureffect/100;

if(ball[curballno].e==6) { //e=6 is grow marble

ball[curballno].z = ball[curballno].z/2;

mw.i.UpdateScale(curballno,1);

}

ball[curballno].e = eq.TakeFromEffectsQueue()%100;

if(ball[curballno].e==5) { //e=5 is add an obstacle

mw.i.curnode=50+numo;

mw.i.removeChildren[mw.i.curnode].setValue(mw.i.pieceshape[mw.i.curnode]);

mw.i.pts.writeToServer("4" + mw.i.pn + "" + "2" + (100 + mw.i.curnode) +

(1000 + (int) ball[curballno].x) + (1000 + (int) ball[curballno].y-25));

} else if(ball[curballno].e==6) { //e=6 is make ball bigger

ball[curballno].z = ball[curballno].z*2;

mw.i.UpdateScale(curballno,2);

}

}

count++;

if(count%50==0 && !mw.i.speedtest) { //coordinate speed with server

theDate = new Date();

mw.i.pts.writeToServer("8" + mw.i.pn + "" + (count/50 + 100) + "" + (theDate.getTime() - starttime));

starttime=theDate.getTime();

//timeOK=false;

//} else if((count-40)%100==0 && !mw.i.speedtest) { //make sure have a valid time back

// if(timeOK=false){ tick.speed=2000; } //someone has not reported in yet

} else if(mw.i.speedtest && count==50) {

theDate = new Date();

mw.i.pts.writeToServer("8" + mw.i.pn + "100" + (theDate.getTime() - starttime));

mw.i.speedtest=false;

count=0;

mw.i.UpdateColor(0,mw.i.pn); //show player who they are

for(int xz=0;xz<4;xz++) {

mw.i.removeChildren[xz].setValue(mw.i.pieceshape[xz]);

ball[xz].vx=0.0; ball[xz].vy=0.0;

}

vg=0.0;

}

mw.i.showStatus("count= " + count + " speed " + tick.speed);

if(count==2000) { //too long to wait -- end turn

mw.i.pts.writeToServer("98" + captg);

numg=captg;

}

}

} //end while loop

if(count<2000) { //write out number of frames to finish

mw.i.pts.writeToServer("99" + count);

}

ResetGame();

round++;

}

}

public void ResetGame() { //HGC

double share=0.0;

//TALLY RESULTS FROM LAST ROUND

for(int i=0;i<4;i++) {

if(rules.roundtype==0) { mw.i.player[i].IncreasePlayerScore(rs[i]); }

else if(rules.roundtype==1&&rules.winning==0) {

if(numg/maxg>.8) { if(maxg<29) { maxg=maxg+2; } }

else if(numg/maxg>.5) { if(maxg<30) { maxg++; } }

else if(numg/maxg>.2) { if(maxg>2) { maxg=maxg-1; } }

else { if(maxg>3) { maxg=maxg-2; } }

}

else if(rules.roundtype==2) {

if(i==0||i==3) {

mw.i.player[i].IncreasePlayerScore((rs[0] + rs[3])/2);

} else {

mw.i.player[i].IncreasePlayerScore((rs[1] + rs[2])/2);

}

}

}

if(rules.winning==1) {

for(int i=0;i<4;i++) {

if(rules.roundtype==0) {

share=rs[i]/((rs[0]+rs[1]+rs[2]+rs[3])/4);

if(share==0) { ball[i].z=ball[i].z*.7; }

else if(share<.15) { ball[i].z=ball[i].z*.85; }

else if(share<.35) { } //No Change

else if(share<.55) { ball[i].z=ball[i].z/.85; }

else if(share<=1) { ball[i].z=ball[i].z/.7; }

}

else if(rules.roundtype==1) {

if(numg/maxg>.8) { if(maxg<29) { ball[i].z=ball[i].z/.7; } }

else if(numg/maxg>.5) { if(maxg<30) { ball[i].z=ball[i].z/.85; } }

else if(numg/maxg>.35) { if(maxg>2) { } }

else if(numg/maxg>.2) { if(maxg>2) { ball[i].z=ball[i].z*.85;} }

else { if(maxg>3) { ball[i].z=ball[i].z*.7; } }

}

else if(rules.roundtype==2) {

if(i==0||i==3) {

share=(rs[0]+rs[3])/((rs[0]+rs[1]+rs[2]+rs[3])/4);

}

else {

share=(rs[1]+rs[2])/((rs[0]+rs[1]+rs[2]+rs[3])/4);

}

if(share==0) { ball[i].z=ball[i].z*.7; }

else if(share<.3) { ball[i].z=ball[i].z*.85; }

else if(share<.7) { } //No Change

else if(share<1) { ball[i].z=ball[i].z/.85; }

else if(share==1) { ball[i].z=ball[i].z/.7; }

}

}

}

else if(rules.winning==2) {

for(int i=0;i<4;i++) {

if(rules.roundtype==0) {

share=rs[i]/((rs[0]+rs[1]+rs[2]+rs[3])/4);

if(share==0) { goalvalue[i]=goalvalue[i]-16; }

else if(share<.15) { goalvalue[i]=goalvalue[i]-8; }

else if(share<.35) { } //No Change

else if(share<.55) { goalvalue[i]=goalvalue[i]+8; }

else if(share<=1) { goalvalue[i]=goalvalue[i]+16; }

}

else if(rules.roundtype==1) {

if(numg/maxg>.8) { goalvalue[i]=goalvalue[i]+16; }

else if(numg/maxg>.5) { goalvalue[i]=goalvalue[i]+8; }

else if(numg/maxg>.35) { }

else if(numg/maxg>.2) { goalvalue[i]=goalvalue[i]-8; }

else { goalvalue[i]=goalvalue[i]-16; }

}

else if(rules.roundtype==2) {

if(i==0||i==3) {

share=(rs[0]+rs[3])/((rs[0]+rs[1]+rs[2]+rs[3])/4);

}

else {

share=(rs[1]+rs[2])/((rs[0]+rs[1]+rs[2]+rs[3])/4);

}

if(share==0) { goalvalue[i]=goalvalue[i]-16; }

else if(share<.3) { goalvalue[i]=goalvalue[i]-8; }

else if(share<.7) { } //No Change

else if(share<1) { goalvalue[i]=goalvalue[i]+8; }

else if(share==1) { goalvalue[i]=goalvalue[i]+16; }

}

}

}

mw.i.showStatus("Team Score Time: " + count + " Captured Goals: " + captg);

//mw.i.showStatus("Current Score: Yellow " + mw.i.player[0].GetPlayerScore() +

// " Red " + mw.i.player[1].GetPlayerScore() +

// " Blue " + mw.i.player[2].GetPlayerScore() +

// " Green " + mw.i.player[3].GetPlayerScore());

for(int xx=0;xx<4;xx++) {

rs[xx]=0;

}

mw.i.mode=0;

mw.i.lastmodesent=0;

for(int x=0;x<50;x++) { //put balls and obstacles back

if(x>3) {

mw.i.removeChildren[x].setValue(mw.i.pieceshape[x]);

ball[x]=null;

}

mw.i.removeChildren[x+50].setValue(mw.i.pieceshape[x+50]);

obstacle[x]=null;

}

for(int j=0; j<numg; ++j) { //put goals back

mw.i.removeGoal[j].setValue(mw.i.goalshape[j]);

goal[j]=null;

}

ball[0].x = 500;

ball[0].vx = 0.0;

ball[0].y = 100;

ball[0].vy = 0.0;

mw.i.UpdateVRML(3,0,(float)ball[0].x,(float)ball[0].y,0,0,0,0,0);

ball[1].x = 100;

ball[1].vx = 0.0;

ball[1].y = 500;

ball[1].vy = 0.0;

mw.i.UpdateVRML(3,1,(float)ball[1].x,(float)ball[1].y,0,0,0,0,0);

ball[2].x = 900;

ball[2].vx = 0.0;

ball[2].y = 500;

ball[2].vy = 0.0;

mw.i.UpdateVRML(3,2,(float)ball[2].x,(float)ball[2].y,0,0,0,0,0);

ball[3].x = 500;

ball[3].vx = 0.0;

ball[3].y = 900;

ball[3].vy = 0.0;

mw.i.UpdateVRML(3,3,(float)ball[3].x,(float)ball[3].y,0,0,0,0,0);

numo=0; num=4; numg=0; captg=0;

mw.i.UpdateRotation(0,4);

mw.i.UpdateVRML(1,101,0,0,0,0,0,0,0);

if(rules.slantQclear==true) { //reset slant queue if chosen

for(int zz=0;zz<60;zz++) {

sq.t[zz]=-1;

sq.size=0;

sq.head=0;

sq.tail=0;

}

for(int xx=0;xx<4;xx++) {

mw.i.addSlQu(xx,0,false);

}

}

for(int yy=0;yy<60;yy++) { //reset event queue

eq.t[yy]=-1;

eq.e[yy]=-1;

eq.size=0;

eq.head=0;

eq.tail=0;

}

mw.i.Paletize(4);

mw.i.Bumpers(1);

wrapon=false;

mw.i.UpdatePointer(0,0,0,30,0,0,0,0);

mw.i.pts.goalcount=0;

//mw.i.lst.createGoals(maxg);

}

// The DrawBalls method displays objects.

public void DrawBalls() {

int j=0;

float x=0,y=0;

for (j=0; j<num; ++j) {

x = (float) (ball[j].x);

y = (float) (ball[j].y);

if(ball[j].t<1)

mw.i.UpdateVRML(1,j,x,y,0,0,0,0,0);

}

}

// These adds balls

public void addMoving(int m,int r,float x,float y,int t,int c0,int c1,int c2) {

addBall(new Ball(m,r,Color.pink,x,y,0.0,0.0,this,t));

mw.i.addNode(num-1,0,r,c0,c1,c2,0);

x=(float)ball[num-1].x;

y=(float)ball[num-1].y;

addBall(new Ball(m,r,Color.pink,x,y,3.0,1.5,this,t));

mw.i.addNode(num-1,0,r,c0,c1,c2,0);

mw.i.UpdateVRML(1,num-1,x,y,0,0,0,0,0);

addBall(new Ball(m,r,Color.pink,x,y,6.0,3.0,this,t));

mw.i.addNode(num-1,0,r,c0,c1,c2,0);

mw.i.UpdateVRML(1,num-1,x,y,0,0,0,0,0);

addBall(new Ball(m,r,Color.pink,x,y,9.0,4.5,this,t));

mw.i.addNode(num-1,0,r,c0,c1,c2,0);

mw.i.UpdateVRML(1,num-1,x,y,0,0,0,0,0);

addBall(new Ball(m,r,Color.pink,x,y,12.0,6.0,this,t));

mw.i.addNode(num-1,0,r,c0,c1,c2,0);

mw.i.UpdateVRML(1,num-1,x,y,0,0,0,0,0);

}

public void addBall(Ball b) {

if (num<max) ball[num++] = b;

}

// This adds obstacles.

public void addObstacle(Obstacle o) {

if (numo<max) obstacle[numo++] = o;

}

public void addGoal(Goal g) {

if (numg<maxg) goal[numg++] = g;

if(numg==1) {

sq.AddtoSlantQueue((int)((goal[0].x%4)+1)); //start with a random slant (can't be empty)

sq.AddtoSlantQueue((int)((goal[0].y%4)+1)); //and one random slant in queue (can't be empty)

for(int ww=0;ww<4;ww++) { //Show upcoming slants

int val=sq.InterrogateSlantQueue(ww);

if(val>=0 && val<=4) { mw.i.addSlQu(ww,val,false); }

else if(val==-1) { mw.i.addSlQu(ww,0,false); }

}

}

}

public void loadPhysics() {

phys[0] = new Physics(0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,

0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[1] = new Physics(2.125,2.125,-2.125,-2.125,0.0,0.0,0.0,0.0,

-1.0,1.0,-1.0,1.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[2] = new Physics(4.25,4.25,-4.25,-4.25,0.0,0.0,0.0,0.0,

-2.0,2.0,-2.0,2.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[3] = new Physics(6.375,6.375,-6.375,-6.375,0.0,0.0,0.0,0.0,

-3.0,3.0,-3.0,3.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[4] = new Physics(8.5,8.5,-8.5,-8.5,0.0,0.0,0.0,0.0,

-4.0,4.0,-4.0,4.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[5] = new Physics(0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,

0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[6] = new Physics(6.0,-6.0,-6.0,6.0,0.0,0.0,0.0,0.0,

-6.0,-6.0,6.0,6.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[7] = new Physics(-6.0,-6.0,6.0,6.0,0.0,0.0,0.0,0.0,

-6.0,6.0,6.0,-6.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[8] = new Physics(-6.0,6.0,6.0,-6.0,0.0,0.0,0.0,0.0,

6.0,6.0,-6.0,-6.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

phys[9] = new Physics(6.0,6.0,-6.0,-6.0,0.0,0.0,0.0,0.0,

6.0,-6.0,-6.0,6.0,0.0,0.0,0.0,0.0,

10,20,30,40,0,0,0,0);

}

// This returns the index of the ball nearest to x,y

// excluding ex. (wrap is not taken into account).

int nearestBall(int x, int y, int ex) {

double d=1e20,t; int j=0;

for (int i=0; i<num; ++i) {

t = Ball.hypot(x - ball[i].x, y - ball[i].y);

if (t < d && i!=ex) { d = t; j = i; }

}

return j;

}

void rotate(int j) {

double d,mm,dx,dy,tt;

d = Ball.hypot(ball[j].x-ball[j-1].x,ball[j].y-ball[j-1].y);

if (d<1e-20) return; // too close

mm = ball[j].m + ball[j-1].m;

if (mm<1e-50 && mm>-1e-50) return; // too small

tt = Math.sqrt(20/mm/d)/d;

dy = tt*(ball[j].x - ball[j-1].x); // perpendicular direction vector

dx = tt*(ball[j-1].y - ball[j].y);

ball[j].vx = - dx*ball[j-1].m;

ball[j].vy = - dy*ball[j-1].m;

}

// This adjusts the frame of reference so that the total momentum becomes zero.

void zeroMomentum() {

double mx=0,my=0,M=0;

for (int i=0; i<num; ++i) {

mx += ball[i].vx * ball[i].m;

my += ball[i].vy * ball[i].m;

M += ball[i].m;

}

if (M != 0)

for (int i=0; i<num; ++i) {

ball[i].vx -= mx/M;

ball[i].vy -= my/M;

}

}

// This adjusts the centroid to the center of the canvas.

// Note, the "while" loops here could be simply use %= but some

// interpreters have bugs with %=.

void centerMass() {

double x,y,cx=0,cy=0,M=0;

for (int i=0; i<num; ++i) {

x = ball[i].x; y = ball[i].y;

if (wrapon) { // if wrap, convert the top 1/4 to negative

if (x > xsize*0.75) x -= xsize;

if (y > ysize*0.75) y -= ysize;

}

cx += ball[i].x * ball[i].m;

cy += ball[i].y * ball[i].m;

M += ball[i].m;

}

if (M != 0)

for (int i=0; i<num; ++i) {

ball[i].x += xsize/2 - cx/M;

ball[i].y += ysize/2 - cy/M;

while (ball[i].x < 0) ball[i].x += xsize;

while (ball[i].x > xsize) ball[i].x -= xsize;

while (ball[i].y < 0) ball[i].y += ysize;

while (ball[i].y > ysize) ball[i].y -= ysize;

}

}

}

//--------------------------------------------------------------------------------------------

// The Ball class

class Ball {

double x,y; // location

double z; // radius

double vx,vy; // velocity

Color c; // color

double m; // mass

boolean hit; // scratch field

double ox,oy; // old location (for smooth redraw)

final double vmin = 1e-20; // a weak force to prevent overlapping

Animator a;

boolean iok; // image is ok.

Image img; // a bitmap to use in "filled" mode

int t; // type of Ball

int e; // current effect on the ball

Ball(double mass, double radius, Color color,

double px, double py, double sx, double sy, Animator an, int typ) {

m=mass; z=radius-0.5; c=color; t=typ;

if (z<0.5) z = Math.min(Math.sqrt(Math.abs(m)),Math.min(px,py));

if (z<0.5) z=0.5;

x=px; y=py; vx=sx; vy=sy;

iok = false;

a = an;

e = 0;

if(color==Color.white) t=1;

}

// This updates a ball according to the physical universe.

// The reason I exempt a ball from gravity during a hit is

// to simulate "at rest" equilibrium when the ball is resting

// on the floor or on another ball.

void UpdateBall(double dx, double dy) {

x=dx; y=dy;

}

void AddBallEffect(int ex) {

e=ex;

}

public void update() {

x += vx;

if (x+z > a.xsize)

if (a.wrapon) {

x -= a.xsize;

} else {

if (vx > 0) vx *= a.r; // restitution

vx = -Math.abs(vx)-vmin; // reverse velocity

x = a.xsize-z;

hit = true;

// Check if location is completely off screen

if (x-z > a.xsize) x = a.xsize + z;

}

if (x-z < 0)

if (a.wrapon) x += a.xsize;

else {

if (vx < 0) vx *= a.r; // restitution

vx = Math.abs(vx)+vmin; // reverse velocity

x = z;

hit = true;

if (x+z < 0) x = -z;

}

y += vy;

if (y+z > a.ysize) {

if (a.wrapon) y -= a.ysize;

else {

vy = -1*vy;

y = a.ysize-z;

}

}

if (y-z < 0) {

if (a.wrapon) {

y += a.ysize;

}

else {

vy = -1*vy;

y = z;

}

}

if (a.f > 0 && m != 0) { // viscosity

double t = 100/(100 + a.f*hypot(vx,vy)*z*z/m);

vx *= t; vy *= t;

}

if (!hit) {

if (e==2) { // effect of 2 means anti-gravity

vy -= a.vg; // if not hit, exert anti-gravity

vx -= a.hg;

} else {

vy += a.vg; // if not hit, exert gravity

vx += a.hg;

}

}

hit = false; // reset flag

}

// This computes the interaction of two balls, either collision

// or gravitational force.

public boolean interact(Goal g) {

double p = g.x - x;

double q = g.y - y;

double h2 = p*p + q*q;

double h = Math.sqrt(h2);

if (h < z+g.r) { // HIT

hit = true;

return true;

} else {

return false;

}

}

public boolean interact(Ball b) {

double p = b.x - x;

double q = b.y - y;

if (a.wrapon) { // wrap around, use shortest distance

if (p > a.xsize/2) p-=a.xsize;

else if (p < -a.xsize/2) p+=a.xsize;

if (q > a.ysize/2) q-=a.ysize;

else if (q < -a.ysize/2) q+=a.ysize;

}

double h2 = p*p + q*q;

double h = Math.sqrt(h2);

if (a.col) { // collisions enabled

if (h < z+b.z) { // HIT

hit = b.hit = true;

if (h > 1e-10) {

// Compute the elastic collision of two balls.

double v1,v2,r1,r2,s,t2,v;

p /= h; q /= h; // normalized impact direction

v1 = vx*p + vy*q;

v2 = b.vx*p + b.vy*q; // impact velocity

r1 = vx*q - vy*p;

r2 = b.vx*q - b.vy*p; // remainder velocity

if (v1<v2) return false;

s = m + b.m; // total mass

if (s==0) return false;

t2 = (v1*m + v2*b.m)/s;

if(t==0) {

v = t2 + a.r*(v2 - v1)*b.m/s;

vx = v*p + r1*q;

vy = v*q - r1*p;

}