Skip to content

Commit cbcddef

Browse files
ckrowlandckrowland
committed
Add emscripten html file
1 parent aa99455 commit cbcddef

File tree

2 files changed

+106
-0
lines changed

2 files changed

+106
-0
lines changed

‎README.md

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -45,6 +45,7 @@ Add zemscripten's "root" module to your wasm compile target., then create an `em
4545
.embed_paths = &.{},
4646
.preload_paths = &.{},
4747
.install_dir = .{ .custom = "web" },
48+
.shell_file_path = "content/shell.html",
4849
},
4950
);
5051
emcc_step.dependOn(activate_emsdk_step);

‎content/shell.html

Lines changed: 105 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,105 @@
1+
<!doctype html>
2+
<html lang="en-us">
3+
<head>
4+
<meta charset="utf-8">
5+
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
6+
<title>Emscripten-Generated Code</title>
7+
<style>{{{ SHELL_CSS }}}</style>
8+
</head>
9+
<body>
10+
<a href="http://emscripten.org">{{{ SHELL_LOGO }}}</a>
11+
12+
<div class="spinner" id='spinner'></div>
13+
<div class="emscripten" id="status">Downloading...</div>
14+
15+
<span id='controls'>
16+
<span><input type="checkbox" id="resize">Resize canvas</span>
17+
<span><input type="checkbox" id="pointerLock" checked>Lock/hide mouse pointer &nbsp;&nbsp;&nbsp;</span>
18+
<span><input type="button" value="Fullscreen" onclick="Module.requestFullscreen(document.getElementById('pointerLock').checked,
19+
document.getElementById('resize').checked)">
20+
</span>
21+
</span>
22+
23+
<div class="emscripten">
24+
<progress value="0" max="100" id="progress" hidden=1></progress>
25+
</div>
26+
27+
<div class="emscripten_border">
28+
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
29+
</div>
30+
<textarea id="output" rows="8"></textarea>
31+
32+
<script type='text/javascript'>
33+
var statusElement = document.getElementById('status');
34+
var progressElement = document.getElementById('progress');
35+
var spinnerElement = document.getElementById('spinner');
36+
37+
var Module = {
38+
print: (function() {
39+
var element = document.getElementById('output');
40+
if (element) element.value = ''; // clear browser cache
41+
return (...args) => {
42+
var text = args.join(' ');
43+
// These replacements are necessary if you render to raw HTML
44+
//text = text.replace(/&/g, "&amp;");
45+
//text = text.replace(/</g, "&lt;");
46+
//text = text.replace(/>/g, "&gt;");
47+
//text = text.replace('\n', '<br>', 'g');
48+
console.log(text);
49+
if (element) {
50+
element.value += text + "\n";
51+
element.scrollTop = element.scrollHeight; // focus on bottom
52+
}
53+
};
54+
})(),
55+
canvas: (() => {
56+
var canvas = document.getElementById('canvas');
57+
58+
// As a default initial behavior, pop up an alert when webgl context is lost. To make your
59+
// application robust, you may want to override this behavior before shipping!
60+
// See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
61+
canvas.addEventListener("webglcontextlost", (e) => { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
62+
63+
return canvas;
64+
})(),
65+
setStatus: (text) => {
66+
Module.setStatus.last ??= { time: Date.now(), text: '' };
67+
if (text === Module.setStatus.last.text) return;
68+
var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
69+
var now = Date.now();
70+
if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
71+
Module.setStatus.last.time = now;
72+
Module.setStatus.last.text = text;
73+
if (m) {
74+
text = m[1];
75+
progressElement.value = parseInt(m[2])*100;
76+
progressElement.max = parseInt(m[4])*100;
77+
progressElement.hidden = false;
78+
spinnerElement.hidden = false;
79+
} else {
80+
progressElement.value = null;
81+
progressElement.max = null;
82+
progressElement.hidden = true;
83+
if (!text) spinnerElement.style.display = 'none';
84+
}
85+
statusElement.innerHTML = text;
86+
},
87+
totalDependencies: 0,
88+
monitorRunDependencies: (left) => {
89+
this.totalDependencies = Math.max(this.totalDependencies, left);
90+
Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
91+
}
92+
};
93+
Module.setStatus('Downloading...');
94+
window.onerror = (event) => {
95+
// TODO: do not warn on ok events like simulating an infinite loop or exitStatus
96+
Module.setStatus('Exception thrown, see JavaScript console');
97+
spinnerElement.style.display = 'none';
98+
Module.setStatus = (text) => {
99+
if (text) console.error('[post-exception status] ' + text);
100+
};
101+
};
102+
</script>
103+
{{{ SCRIPT }}}
104+
</body>
105+
</html>

0 commit comments

Comments
 (0)