//
// Function: load()
// Called by HTML body element's onload event when the web application is ready to start
//
function load()
{
dashcode.setupParts();
preloader();
level = 0;
spc = 0;
mvd = new Array();
shwarw = 0;
instrbox = 0; // instruction box status. 0 = off, 1 = on
// All the following alter windows should
// be brought back to "30px" as needed, unless otherwise indicated
var bxToChange = document.getElementById("winner1");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
var bxToChange = document.getElementById("winner2");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
var bxToChange = document.getElementById("winner25");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
var bxToChange = document.getElementById("winner3");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
var bxToChange = document.getElementById("winner35");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
var bxToChange = document.getElementById("trapped");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
var bxToChange = document.getElementById("newgame");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px"; // return to 201 px
var bxToChange = document.getElementById("backup");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px"; // return to 244 px
var bxToChange = document.getElementById("instructions");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px"; // return to 12 px
var bxToChange = document.getElementById("chooselevel");
bxToChange.style.opacity = .98;
bxToChange.style.left = "30px";
}
//
// Function: preloader()
// Called by HTML body element's onload event when the web application is ready to start
//
function preloader()
{
picNms=new Array("Images/black.png","Images/white.png","Images/title.png","Images/knightblack.png","Images/knightwhite.png","Images/voidblack.png","Images/voidwhite.png","Images/homeblack.png","Images/homewhite.png","Images/goalblack.png","Images/goalwhite.png");
Grpx = new Array();
for (s=0; s 1) {
shwarw = 1;
var bxToChange = document.getElementById("backup");
bxToChange.style.opacity = 1;
bxToChange.style.left = "244px";
}
if (moves == 64) {
endGame();
}
if (moves < 64) {
rqs = isTrapped(spc);
if (rqs == 0) {
var bxToChange = document.getElementById("trapped");
bxToChange.style.opacity = .98;
bxToChange.style.left = "30px";
}
}
}
}
//
// Function: lglMove(nmbr)
// Tests if moving to (nmbr) is a legal move
// If legal, return z as 0, otherwise 1
//
function lglMove(whr)
{
z = 0; // boolean variable to determine if move is legal
y1 = Math.floor(spc / 8);
x1 = spc - (y1 * 8);
y2 = Math.floor(whr / 8);
x2 = whr - (y2 * 8);
tstx = Math.abs(x2 - x1);
tsty = Math.abs(y2 - y1);
tst = tstx + tsty;
if ((tstx < 1) || (tstx > 2) || (tsty < 1) || (tsty > 2)) {
z = 1; // you can't get there from here
}
if ((z == 0) && (tst != 3)) {
z = 1; // you can't get there from here
}
return z;
}
//
// Function: isTrapped()
// Check if player is trapped
//
function isTrapped(whr)
{
posMoves = 0; // Number of possible moves available
y = Math.floor(whr / 8);
x = whr - (y * 8);
if (((y - 1) >= 0) && ((x - 2) >= 0)) {
tst = ((y - 1) * 8) + (x - 2);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
if (((y - 2) >= 0) && ((x - 1) >= 0)) {
tst = ((y - 2) * 8) + (x - 1);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
if (((y + 1) < 8) && ((x - 2) >= 0)) {
tst = ((y + 1) * 8) + (x - 2);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
if (((y + 2) < 8) && ((x - 1) >= 0)) {
tst = ((y + 2) * 8) + (x - 1);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
if (((y - 1) >= 0) && ((x + 2) < 8)) {
tst = ((y - 1) * 8) + (x + 2);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
if (((y - 2) >= 0) && ((x + 1) < 8)) {
tst = ((y - 2) * 8) + (x + 1);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
if (((y + 1) < 8) && ((x + 2) < 8)) {
tst = ((y + 1) * 8) + (x + 2);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
if (((y + 2) < 8) && ((x + 1) < 8)) {
tst = ((y + 2) * 8) + (x + 1);
if (mvd[tst] == 0) {
posMoves = posMoves + 1;
}
}
return posMoves
}
//
// Function: endGame()
// All 64 squares have been hit, so how did they do?
//
function endGame()
{
if (level == 1) {
level = 0;
var bxToChange = document.getElementById("winner1");
bxToChange.style.opacity = .98;
bxToChange.style.left = "30px";
}
if (level == 2) {
level = 0;
rqs = lglMove(strt);
if (rqs == 1) {
var bxToChange = document.getElementById("winner25");
bxToChange.style.opacity = .98;
bxToChange.style.left = "30px";
}
else {
var bxToChange = document.getElementById("winner2");
bxToChange.style.opacity = .98;
bxToChange.style.left = "30px";
}
}
if (level == 3) {
level = 0;
if (goal != spc) {
var bxToChange = document.getElementById("winner35");
bxToChange.style.opacity = .98;
bxToChange.style.left = "30px";
}
else {
var bxToChange = document.getElementById("winner3");
bxToChange.style.opacity = .98;
bxToChange.style.left = "30px";
}
}
}
//
// Function: undoMove()
// Move knight back after undo button is hit
//
function undoMove(event)
{
if (shwarw == 1) {
drwEmpty(spc);
mvd[spc] = 0;
moves = moves - 1;
for (i = 0; i <= 63; i++) {
if (mvd[i] == moves) {
spc = i;
i = 66;
}
}
drwKnight(spc);
}
if (moves == 1) {
shwarw == 1;
var bxToChange = document.getElementById("backup");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
}
}
//
// Function: undoTrpdMove()
// Move knight back after getting trapped error
//
function undoTrpdMove(event)
{
var bxToChange = document.getElementById("trapped");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
drwEmpty(spc);
mvd[spc] = 0;
moves = moves - 1;
for (i = 0; i <= 63; i++) {
if (mvd[i] == moves) {
spc = i;
i = 66;
}
}
drwKnight(spc);
}
//
// Function: bkToBeg()
// Start over again
//
function bkToBeg(event)
{
load();
moves = 0;
clrboard();
}
//
// Function: shdbox()
// Show instruction box when info is clicked
//
function shdbox(event)
{
if (instrbox == 0) {
instrbox = 1;
var bxToChange = document.getElementById("instructions");
bxToChange.style.opacity = 1;
bxToChange.style.left = "12px";
}
else {
instrbox = 0;
var bxToChange = document.getElementById("instructions");
bxToChange.style.opacity = 0;
bxToChange.style.left = "330px";
}
}
//
// Function: click0-63()
// These handle the squares when clicked
//
function click0(event)
{
if (level != 0) {
knightMove(0);
}
}
function click1(event)
{
if (level != 0) {
knightMove(1);
}
}
function click2(event)
{
if (level != 0) {
knightMove(2);
}
}
function click3(event)
{
if (level != 0) {
knightMove(3);
}
}
function click4(event)
{
if (level != 0) {
knightMove(4);
}
}
function click5(event)
{
if (level != 0) {
knightMove(5);
}
}
function click6(event)
{
if (level != 0) {
knightMove(6);
}
}
function click7(event)
{
if (level != 0) {
knightMove(7);
}
}
function click8(event)
{
if (level != 0) {
knightMove(8);
}
}
function click9(event)
{
if (level != 0) {
knightMove(9);
}
}
function click10(event)
{
if (level != 0) {
knightMove(10);
}
}
function click11(event)
{
if (level != 0) {
knightMove(11);
}
}
function click12(event)
{
if (level != 0) {
knightMove(12);
}
}
function click13(event)
{
if (level != 0) {
knightMove(13);
}
}
function click14(event)
{
if (level != 0) {
knightMove(14);
}
}
function click15(event)
{
if (level != 0) {
knightMove(15);
}
}
function click16(event)
{
if (level != 0) {
knightMove(16);
}
}
function click17(event)
{
if (level != 0) {
knightMove(17);
}
}
function click18(event)
{
if (level != 0) {
knightMove(18);
}
}
function click19(event)
{
if (level != 0) {
knightMove(19);
}
}
function click20(event)
{
if (level != 0) {
knightMove(20);
}
}
function click21(event)
{
if (level != 0) {
knightMove(21);
}
}
function click22(event)
{
if (level != 0) {
knightMove(22);
}
}
function click23(event)
{
if (level != 0) {
knightMove(23);
}
}
function click24(event)
{
if (level != 0) {
knightMove(24);
}
}
function click25(event)
{
if (level != 0) {
knightMove(25);
}
}
function click26(event)
{
if (level != 0) {
knightMove(26);
}
}
function click27(event)
{
if (level != 0) {
knightMove(27);
}
}
function click28(event)
{
if (level != 0) {
knightMove(28);
}
}
function click29(event)
{
if (level != 0) {
knightMove(29);
}
}
function click30(event)
{
if (level != 0) {
knightMove(30);
}
}
function click31(event)
{
if (level != 0) {
knightMove(31);
}
}
function click32(event)
{
if (level != 0) {
knightMove(32);
}
}
function click33(event)
{
if (level != 0) {
knightMove(33);
}
}
function click34(event)
{
if (level != 0) {
knightMove(34);
}
}
function click35(event)
{
if (level != 0) {
knightMove(35);
}
}
function click36(event)
{
if (level != 0) {
knightMove(36);
}
}
function click37(event)
{
if (level != 0) {
knightMove(37);
}
}
function click38(event)
{
if (level != 0) {
knightMove(38);
}
}
function click39(event)
{
if (level != 0) {
knightMove(39);
}
}
function click40(event)
{
if (level != 0) {
knightMove(40);
}
}
function click41(event)
{
if (level != 0) {
knightMove(41);
}
}
function click42(event)
{
if (level != 0) {
knightMove(42);
}
}
function click43(event)
{
if (level != 0) {
knightMove(43);
}
}
function click44(event)
{
if (level != 0) {
knightMove(44);
}
}
function click45(event)
{
if (level != 0) {
knightMove(45);
}
}
function click46(event)
{
if (level != 0) {
knightMove(46);
}
}
function click47(event)
{
if (level != 0) {
knightMove(47);
}
}
function click48(event)
{
if (level != 0) {
knightMove(48);
}
}
function click49(event)
{
if (level != 0) {
knightMove(49);
}
}
function click50(event)
{
if (level != 0) {
knightMove(50);
}
}
function click51(event)
{
if (level != 0) {
knightMove(51);
}
}
function click52(event)
{
if (level != 0) {
knightMove(52);
}
}
function click53(event)
{
if (level != 0) {
knightMove(53);
}
}
function click54(event)
{
if (level != 0) {
knightMove(54);
}
}
function click55(event)
{
if (level != 0) {
knightMove(55);
}
}
function click56(event)
{
if (level != 0) {
knightMove(56);
}
}
function click57(event)
{
if (level != 0) {
knightMove(57);
}
}
function click58(event)
{
if (level != 0) {
knightMove(58);
}
}
function click59(event)
{
if (level != 0) {
knightMove(59);
}
}
function click60(event)
{
if (level != 0) {
knightMove(60);
}
}
function click61(event)
{
if (level != 0) {
knightMove(61);
}
}
function click62(event)
{
if (level != 0) {
knightMove(62);
}
}
function click63(event)
{
if (level != 0) {
knightMove(63);
}
}