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
|
//"use strict";
// Utilities for browser environments
mergeInto(LibraryManager.library, {
$Browser__postset: 'Module["requestFullScreen"] = function() { Browser.requestFullScreen() };\n' + // exports
'Module["requestAnimationFrame"] = function(func) { Browser.requestAnimationFrame(func) };\n' +
'Module["pauseMainLoop"] = function() { Browser.mainLoop.pause() };\n' +
'Module["resumeMainLoop"] = function() { Browser.mainLoop.resume() };\n',
$Browser: {
mainLoop: {
scheduler: null,
shouldPause: false,
paused: false,
pause: function() {
Browser.mainLoop.shouldPause = true;
},
resume: function() {
if (Browser.mainLoop.paused) {
Browser.mainLoop.paused = false;
Browser.mainLoop.scheduler();
}
Browser.mainLoop.shouldPause = false;
},
},
pointerLock: false,
moduleContextCreatedCallbacks: [],
createContext: function(canvas, useWebGL, setInModule) {
#if !USE_TYPED_ARRAYS
if (useWebGL) {
Module.print('(USE_TYPED_ARRAYS needs to be enabled for WebGL)');
return null;
}
#endif
try {
var ctx = canvas.getContext(useWebGL ? 'experimental-webgl' : '2d');
if (!ctx) throw ':(';
} catch (e) {
Module.print('Could not create canvas - ' + e);
return null;
}
if (useWebGL) {
#if GL_DEBUG
// Useful to debug native webgl apps: var Module = { printErr: function(x) { console.log(x) } };
var tempCtx = ctx;
var wrapper = {};
for (var prop in tempCtx) {
(function(prop) {
switch (typeof tempCtx[prop]) {
case 'function': {
wrapper[prop] = function() {
if (GL.debug) {
var printArgs = Array.prototype.slice.call(arguments).map(Runtime.prettyPrint);
Module.printErr('[gl_f:' + prop + ':' + printArgs + ']');
}
var ret = tempCtx[prop].apply(tempCtx, arguments);
if (GL.debug && typeof ret != 'undefined') {
Module.printErr('[ gl:' + prop + ':return:' + Runtime.prettyPrint(ret) + ']');
}
return ret;
}
break;
}
case 'number': case 'string': {
wrapper.__defineGetter__(prop, function() {
//Module.printErr('[gl_g:' + prop + ':' + tempCtx[prop] + ']');
return tempCtx[prop];
});
wrapper.__defineSetter__(prop, function(value) {
if (GL.debug) {
Module.printErr('[gl_s:' + prop + ':' + value + ']');
}
tempCtx[prop] = value;
});
break;
}
}
})(prop);
}
ctx = wrapper;
#endif
// Set the background of the WebGL canvas to black
canvas.style.backgroundColor = "black";
// Warn on context loss
canvas.addEventListener('webglcontextlost', function(event) {
alert('WebGL context lost. You will need to reload the page.');
}, false);
}
if (setInModule) {
Module.ctx = ctx;
Module.useWebGL = useWebGL;
Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
}
return ctx;
},
requestFullScreen: function() {
var canvas = Module.canvas;
function fullScreenChange() {
if (Module['onFullScreen']) Module['onFullScreen']();
if (document['webkitFullScreenElement'] === canvas ||
document['mozFullScreenElement'] === canvas ||
document['fullScreenElement'] === canvas) {
canvas.requestPointerLock = canvas['requestPointerLock'] ||
canvas['mozRequestPointerLock'] ||
canvas['webkitRequestPointerLock'];
canvas.requestPointerLock();
}
}
document.addEventListener('fullscreenchange', fullScreenChange, false);
document.addEventListener('mozfullscreenchange', fullScreenChange, false);
document.addEventListener('webkitfullscreenchange', fullScreenChange, false);
function pointerLockChange() {
Browser.pointerLock = document['pointerLockElement'] === canvas ||
document['mozPointerLockElement'] === canvas ||
document['webkitPointerLockElement'] === canvas;
}
document.addEventListener('pointerlockchange', pointerLockChange, false);
document.addEventListener('mozpointerlockchange', pointerLockChange, false);
document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
canvas.requestFullScreen = canvas['requestFullScreen'] ||
canvas['mozRequestFullScreen'] ||
(canvas['webkitRequestFullScreen'] ? function() { canvas['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null);
canvas.requestFullScreen();
},
requestAnimationFrame: function(func) {
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = window['requestAnimationFrame'] ||
window['mozRequestAnimationFrame'] ||
window['webkitRequestAnimationFrame'] ||
window['msRequestAnimationFrame'] ||
window['oRequestAnimationFrame'] ||
window['setTimeout'];
}
window.requestAnimationFrame(func);
},
getMovementX: function(event) {
return event['movementX'] ||
event['mozMovementX'] ||
event['webkitMovementX'] ||
0;
},
getMovementY: function(event) {
return event['movementY'] ||
event['mozMovementY'] ||
event['webkitMovementY'] ||
0;
},
xhrLoad: function(url, onload, onerror) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'arraybuffer';
xhr.onload = function() {
if (xhr.status == 200) {
onload(xhr.response);
} else {
onerror();
}
};
xhr.onerror = onerror;
xhr.send(null);
},
asyncLoad: function(url, callback) {
Browser.xhrLoad(url, function(arrayBuffer) {
assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
callback(new Uint8Array(arrayBuffer));
removeRunDependency();
}, function(event) {
throw 'Loading data file "' + url + '" failed.';
});
addRunDependency();
}
},
emscripten_async_wget: function(url, file, onload, onerror) {
url = Pointer_stringify(url);
Browser.xhrLoad(url, function(response) {
var absolute = Pointer_stringify(file);
var index = absolute.lastIndexOf('/');
FS.createDataFile(
absolute.substr(0, index),
absolute.substr(index +1),
new Uint8Array(response),
true, true);
if (onload) {
FUNCTION_TABLE[onload](file);
}
}, function(event) {
if (onerror) {
FUNCTION_TABLE[onerror](file);
}
});
},
emscripten_async_run_script__deps: ['emscripten_run_script'],
emscripten_async_run_script: function(script, millis) {
Module['noExitRuntime'] = true;
// TODO: cache these to avoid generating garbage
setTimeout(function() {
_emscripten_run_script(script);
}, millis);
},
emscripten_set_main_loop: function(func, fps) {
Module['noExitRuntime'] = true;
var jsFunc = FUNCTION_TABLE[func];
var wrapper = function() {
if (Browser.mainLoop.shouldPause) {
// catch pauses from non-main loop sources
Browser.mainLoop.paused = true;
Browser.mainLoop.shouldPause = false;
return;</
|
