1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
|
<!DOCTYPE html>
<html>
<meta http-equiv="x-ua-compatible" content="IE=edge">
<title>Battleship</title>
<link rel="stylesheet" href="common.css"/>
<style>
body {
background-color:#2854A0;
font-family:Segoe UI;
color:#FFFFFF;
}
#title {
font : normal 48pt Segoe UI Light;
padding:20px;
display:inline;
}
#back {
display:inline;
margin: 0 30px;
}
.intro {
font-size:10pt;
font-style:italic;
}
.heading {
font-size:20pt;
font-family:Segoe UI Light;
}
.title {
font-size:18pt;
background-color:navy;
color:white;
text-align:center;
font-family:Segoe UI Light;
}
table {
margin-top:60px;
}
td {
padding: 30px 50px 0px 0px;
}
</style>
<script>
function charms(){
document.getElementById('charmsbar').style.display='block';
document.getElementById('datetime').style.display='block';
}
function destroycharms() {
document.getElementById('charmsbar').style.display='none';
document.getElementById('datetime').style.display='none';
}
function start(){
document.getElementById('startbutton').style.display='block';
}
function destroystart() {
document.getElementById('startbutton').style.display='none';
}
</script>
<script>
<!-- Begin
/* Information used to draw the ships
*/
var ship = [[[1,5], [1,2,5], [1,2,3,5], [1,2,3,4,5]], [[6,10], [6,7,10], [6,7,8,10], [6,7,8,9,10]]];
/* Information used to draw sunk ships
*/
var dead = [[[201,203], [201,202,203], [201,202,202,203], [201,202,202,202,203]], [[204,206], [204,205,206], [204,205,205,206], [204,205,205,205,206]]];
/* Information used to describe ships
*/
var shiptypes = [["Minesweeper",2,4],["Frigate",3,4],[ "Cruiser",4,2],[ "Battleship",5,1]];
var gridx = 16, gridy = 16;
var player = [], computer = [], playersships = [], computersships = [];
var playerlives = 0, computerlives = 0, playflag=true, statusmsg="";
/* Function to preload all the images, to prevent delays during play
*/
var preloaded = [];
function imagePreload() {
var i,ids = [1,2,3,4,5,6,7,8,9,10,100,101,102,103,201,202,203,204,205,206];
window.status = "Preloading images...please wait";
for (i=0;i<ids.length;++i) {
var img = new Image, name = "batt"+ids[i]+".gif";
img.src = name;
preloaded[i] = img;
}
window.status = "";
}
/* Function to place the ships in the grid
*/
function setupPlayer(ispc) {
var y,x;
grid = [];
for (y=0;y<gridx;++y) {
grid[y] = [];
for (x=0;x<gridx;++x)
grid[y][x] = [100,-1,0];
}
var shipno = 0;
var s;
for (s=shiptypes.length-1;s>=0;--s) {
var i;
for (i=0;i<shiptypes[s][2];++i) {
var d = Math.floor(Math.random()*2);
var len = shiptypes[s][1], lx=gridx, ly=gridy, dx=0, dy=0;
if ( d==0) {
lx = gridx-len;
dx=1;
}
else {
ly = gridy-len;
dy=1;
}
var x,y,ok;
do {
y = Math.floor(Math.random()*ly);
x = Math.floor(Math.random()*lx);
var j,cx=x,cy=y;
ok = true;
for (j=0;j<len;++j) {
if (grid[cy][cx][0] < 100) {
ok=false;
break;
}
cx+=dx;
cy+=dy;
}
} while(!ok);
var j,cx=x,cy=y;
for (j=0;j<len;++j) {
grid[cy][cx][0] = ship[d][s][j];
grid[cy][cx][1] = shipno;
grid[cy][cx][2] = dead[d][s][j];
cx+=dx;
cy+=dy;
}
if (ispc) {
computersships[shipno] = [s,shiptypes[s][1]];
computerlives++;
}
else {
playersships[shipno] = [s,shiptypes[s][1]];
playerlives++;
}
shipno++;
}
}
return grid;
}
/* Function to change an image shown on a grid
*/
function setImage(y,x,id,ispc) {
if ( ispc ) {
computer[y][x][0] = id;
document.images["pc"+y+"_"+x].src = "batt"+id+".gif";
}
else {
player[y][x][0] = id;
document.images["ply"+y+"_"+x].src = "batt"+id+".gif";
}
}
/* Function to insert HTML source for a grid
*/
function showGrid(ispc) {
var y,x;
for (y=0;y<gridy;++y) {
for (x=0;x<gridx;++x) {
if ( ispc )
document.write ('<a href="javascript:gridClick('+y+','+x+');"><img name="pc'+y+'_'+x+'" src="batt100.gif" width=16 height=16></a>');
else
document.write ('<a href="javascript:void(0);"><img name="ply'+y+'_'+x+'" src="batt'+player[y][x][0]+'.gif" width=16 height=16></a>');
}
document.write('<br>');
}
}
/* Handler for clicking on the grid
*/
function gridClick(y,x) {
if ( playflag ) {
if (computer[y][x][0] < 100) {
setImage(y,x,103,true);
var shipno = computer[y][x][1];
if ( --computersships[shipno][1] == 0 ) {
sinkShip(computer,shipno,true);
alert("You sank my "+shiptypes[computersships[shipno][0]][0]+"!");
updateStatus();
if ( --computerlives == 0 ) {
alert("You win! Press the Refresh button on\n"+
"your browser to play another game.");
playflag = false;
}
}
if ( playflag ) computerMove();
}
else if (computer[y][x][0] == 100) {
setImage(y,x,102,true);
computerMove();
}
}
}
/* Function to make the computers move. Note that the computer does not cheat, oh no!
*/
function computerMove() {
var x,y,pass;
var sx,sy;
var selected = false;
/* Make two passes during 'shoot to kill' mode
*/
for (pass=0;pass<2;++pass) {
for (y=0;y<gridy && !selected;++y) {
for (x=0;x<gridx && !selected;++x) {
/* Explosion shown at this position
*/
if (player[y][x][0]==103) {
sx=x; sy=y;
var nup=(y>0 && player[y-1][x][0]<=100);
var ndn=(y<gridy-1 && player[y+1][x][0]<=100);
var nlt=(x>0 && player[y][x-1][0]<=100);
var nrt=(x<gridx-1 && player[y][x+1][0]<=100);
if ( pass == 0 ) {
/* On first pass look for two explosions
in a row - next shot will be inline
*/
var yup=(y>0 && player[y-1][x][0]==103);
var ydn=(y<gridy-1 && player[y+1][x][0]==103);
var ylt=(x>0 && player[y][x-1][0]==103);
var yrt=(x<gridx-1 && player[y][x+1][0]==103);
if ( nlt && yrt) { sx = x-1; selected=true; }
else if ( nrt && ylt) { sx = x+1; selected=true; }
else if ( nup && ydn) { sy = y-1; selected=true; }
else if ( ndn && yup) { sy = y+1; selected=true; }
}
else {
/* Second pass look for single explosion -
fire shots all around it
*/
if ( nlt ) { sx=x-1; selected=true; }
else if ( nrt ) { sx=x+1; selected=true; }
else if ( nup ) { sy=y-1; selected=true; }
else if ( ndn ) { sy=y+1; selected=true; }
}
}
}
}
}
if ( !selected ) {
/* Nothing found in 'shoot to kill' mode, so we're just taking
potshots. Random shots are in a chequerboard pattern for
maximum efficiency, and never twice in the same place
*/
do{
sy = Math.floor(Math.random() * gridy);
sx = Math.floor(Math.random() * gridx/2)*2+sy%2;
} while( player[sy][sx][0]>100 );
}
if (player[sy][sx][0] < 100) {
/* Hit something
*/
setImage(sy,sx,103,false);
var shipno = player[sy][sx][1];
if ( --playersships[shipno][1] == 0 ) {
sinkShip(player,shipno,false);
alert("I sank your "+shiptypes[playersships[shipno][0]][0]+"!");
if ( --playerlives == 0 ) {
knowYourEnemy();
alert("I win! Press the Refresh button on\n"+
"your browser to play another game.");
playflag = false;
}
}
}
else {
/* Missed
*/
setImage(sy,sx,102,false);
}
}
/* When whole ship is hit, show it using changed graphics
*/
function sinkShip(grid,shipno,ispc) {
var y,x;
for (y=0;y<gridx;++y) {
for (x=0;x<gridx;++x) {
if ( grid[y][x][1] == shipno )
if (ispc) setImage(y,x,computer[y][x][2],true);
else setImage(y,x,player[y][x][2],false);
}
}
}
/* Show location of all the computers ships - when player has lost
*/
function knowYourEnemy() {
var y,x;
for (y=0;y<gridx;++y) {
for (x=0;x<gridx;++x) {
if ( computer[y][x][0] == 103 )
setImage(y,x,computer[y][x][2],true);
else if ( computer[y][x][0] < 100 )
setImage(y,x,computer[y][x][0],true);
}
}
}
/* Show how many ships computer has left
*/
function updateStatus() {
var f=false,i,s = "Computer has ";
for (i=0;i<computersships.length;++i) {
if (computersships[i][1] > 0) {
if (f) s=s+", "; else f=true;
s = s + shiptypes[computersships[i][0]][0];
}
}
if (!f) s = s + "nothing left, thanks to you!";
statusmsg = s;
window.status = statusmsg;
}
function setStatus() {
window.status = statusmsg;
}
/* Start the game!
*/
imagePreload();
player = setupPlayer(false);
computer = setupPlayer(true);
document.write("<div align='center'><table><tr><td align='center'><span class='heading'>COMPUTER'S FLEET</span></td>"+
"<td align='center'><span class='heading'>PLAYER'S FLEET</span></td></tr><tr><td>");
showGrid(true);
document.write("</td><td>");
showGrid(false);
document.write("</td></tr></table></div>");
updateStatus();
setInterval("setStatus();", 500);
// End -->
</script>
<div id="splashscreen"></div>
<div id="hoverarea" onmouseover="charms()" class="hotcorner">
</div>
<div id="charmsbar" onmouseover="charms()" onmouseout="destroycharms()">
<img src="../../common/img/charmsbar/search.png" onmouseover="this.src='../../common/img/charmsbar/search-hover.png'" onmouseout="this.src='../../common/img/charmsbar/search.png'"/><br/>
<img src="../../common/img/charmsbar/share.png" onmouseover="this.src='../../common/img/charmsbar/share-hover.png'" onmouseout="this.src='../../common/img/charmsbar/share.png'"/><br/>
<a href="../../start/index.html"><img src="../../common/img/charmsbar/start.png" onmouseover="this.src='../../common/img/charmsbar/start-hover.png'" onmouseout="this.src='../../common/img/charmsbar/start.png'"/></a><br/>
<img src="../../common/img/charmsbar/devices.png" onmouseover="this.src='../../common/img/charmsbar/devices-hover.png'" onmouseout="this.src='../../common/img/charmsbar/devices.png'"/><br/>
<img src="../../common/img/charmsbar/settings.png" onmouseover="this.src='../../common/img/charmsbar/settings-hover.png'" onmouseout="this.src='../../common/img/charmsbar/settings.png'" onclick="settingsc()"/><br/>
</div>
<div id="datetime">
<img src="../../common/img/network.png" id="iconnetwork" height="24px" width="24px"/>
<img src="../../common/img/battery.png" id="iconbattery"/>
<span id="time"></span>
<script language="javascript" type="text/javascript">
<!-- Begin
function clock() {
var digital = new Date();
var hours = digital.getHours();
var minutes = digital.getMinutes();
var seconds = digital.getSeconds();
var amOrPm = "AM";
if (hours > 11) amOrPm = "PM";
if (hours > 12) hours = hours - 12;
if (hours == 0) hours = 12;
if (minutes <= 9) minutes = "0" + minutes;
if (seconds <= 9) seconds = "0" + seconds;
dispTime = hours + ":" + minutes ;
document.getElementById('time').innerHTML = dispTime;
setTimeout("clock()", 1000);
}
window.onload=clock;
// End -->
</script>
<div id="date"><script language="Javascript">
var dayName = new Array ("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday")
var monName = new Array ("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December")
var now = new Date
document.write("" + dayName[now.getDay()] + "<br/>" +"<span id=month>" + monName[now.getMonth()] + " "+now.getDate() +"")
</script>
</div>
</div>
<div id="bottomhoverarea" onmouseover="charms()" class="hotcorner">
</div>
<div id="starthoverarea" onmouseover="start()" class="hotcorner">
</div>
<div id="startbutton" onmouseout="destroystart()">
<a href="../../start/index.html"><img src="../../common/img/start.png"/></a>
</div>
</html>
|
