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renpy-shell.html
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<!doctype html>
<html lang="en-us">
<!-- Adapted for RenPyWeb from https://github.com/emscripten-core/emscripten/blob/master/src/shell.html -->
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>%%TITLE%%</title>
<script>
var DEFAULT_GAME_FILENAME = 'game.zip';
</script>
<style>
body {
font-family: arial;
margin: 0;
padding: none;
}
.emscripten { padding-right: 0; margin-left: auto; margin-right: auto; display: block; }
div.emscripten { text-align: center; }
div.emscripten_border { border: 1px solid black; }
/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
canvas.emscripten { border: 0px none; background-color: black; width: 100vw; height: 100vh; }
#emscripten_logo {
display: inline-block;
margin: 0;
}
.spinner {
height: 30px;
width: 30px;
vertical-align: top;
position: absolute;
-webkit-animation: rotation .8s linear infinite;
-moz-animation: rotation .8s linear infinite;
-o-animation: rotation .8s linear infinite;
animation: rotation 0.8s linear infinite;
border-left: 5px solid rgb(235, 235, 235);
border-right: 5px solid rgb(235, 235, 235);
border-bottom: 5px solid rgb(235, 235, 235);
border-top: 5px solid rgb(120, 120, 120);
border-radius: 100%;
background-color: rgb(189, 215, 46);
}
@-webkit-keyframes rotation {
from {-webkit-transform: rotate(0deg);}
to {-webkit-transform: rotate(360deg);}
}
@-moz-keyframes rotation {
from {-moz-transform: rotate(0deg);}
to {-moz-transform: rotate(360deg);}
}
@-o-keyframes rotation {
from {-o-transform: rotate(0deg);}
to {-o-transform: rotate(360deg);}
}
@keyframes rotation {
from {transform: rotate(0deg);}
to {transform: rotate(360deg);}
}
#statusbar_container {
position: fixed;
top: 0;
width: 100%;
margin: auto;
}
#statusbar {
width: 50%;
margin: auto;
min-width: 340px;
padding: 10px;
height: 40px;
background-color: rgb(40, 40, 40);
}
#status {
vertical-align: top;
font-weight: bold;
color: rgb(120, 120, 120);
width: 100%;
padding-bottom: 2px;
text-align: left;
}
#progress {
height: 20px;
width: 100%;
}
#ContextContainer {
position: absolute;
left: 10px;
top: 10px;
color: white;
}
#ContextButton {
text-decoration: none;
color: grey;
font-size: xx-large;
cursor: pointer;
user-select: none;
-moz-user-select: none;
}
#ContextButton:focus {
outline: none;
}
#ContextMenu a {
text-decoration: none;
color: lightgrey;
}
#ContextMenu a:hover {
text-decoration: nsone;
color: grey;
}
#ContextMenu {
background-color: rgb(40,40,40);
padding: 5px;
}
</style>
</head>
<body>
<div id="statusbar_container">
<div id="statusbar">
<div class="spinner" id='spinner'></div>
<div style="margin-left: 50px;">
<div class="emscripten" id="status">Downloading...</div>
<progress value="0" max="100" id="progress" hidden=1></progress>
</div>
</div>
</div>
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
<script>
// Subtly hint at lack of WebAssembly support (if applicable)
if (typeof WebAssembly !== 'object') {
var error_message = "Unsupported browser - please upgrade!\n(WebAssembly support needed)";
document.body = document.createElement('body');
document.body.innerHTML = error_message.replace('\n', '<br />');
location.href = 'javascript:alert("' + error_message.replace('\n', '\\n') + '")';
throw error_message;
window.stop();
// R.I.P.
}
// Clear error when running without server
if (location.href.startsWith('file://')) {
alert("Error: your browser requires the game to be run from a local HTTP server (i.e. double-clicking on index.html won't work).");
}
// Work-around iframe focus
// https://github.com/emscripten-core/emscripten/pull/7631
document.getElementById('canvas').addEventListener('mouseenter', function(e) { window.focus() });
document.getElementById('canvas').addEventListener('click', function(e) { window.focus() });
</script>
<div id="ContextContainer">
<a id="ContextButton">≡</a><br />
<div id="ContextMenu" style="display: none;">
<input id="ID_SavegamesImport" type="file" onchange="onSavegamesImport(this)" accept="application/zip" style=display:none></input>
<a href="javascript:document.getElementById('ID_SavegamesImport').click();">Import saves</a><br />
<a href="javascript:onSavegamesExport();">Export saves</a><br />
<a href="javascript:FSDownload('/log.txt', 'text/plain');">Ren'Py log</a><br />
<a href="https://www.renpy.org/" target="_blank">
<span style="font-size: smaller">
<span style="color: dimgrey">Powered by</span>
Ren'Py
</span>
</a>
</span>
</div>
</div>
<script type='text/javascript'>
/* Copyright (C) 2018, 2019, 2020, 2021 Sylvain Beucler */
/* Context menu */
const menu = document.getElementById('ContextMenu');
document.getElementById('ContextButton').addEventListener('click', function (e) {
if (menu.style.display == 'none')
menu.style.display = 'block';
else
menu.style.display = 'none';
e.preventDefault();
});
menu.addEventListener('click', function (e) {
if (e.target.tagName == 'A') {
// Close context menu when a menu item is selected
menu.style.display = 'none';
}
});
function onSavegamesImport(input) {
reader = new FileReader();
reader.onload = function(e) {
FS.writeFile('savegames.zip', new Uint8Array(e.target.result));
Module._emSavegamesImport();
FS.syncfs(false, function(err) {
if (err) {
console.trace(); console.log(err, err.message);
Module.print("Warning: cannot import savegames: write error: " + err.message + "\n");
} else {
renpy_exec('renpy.loadsave.location.scan()').then(result => {
Module.print("Saves imported successfully\n");
}).catch(error => {
console.error('Cannot rescan saves folder', error);
Module.print("Saves imported - restart game to apply.\n");
});
}
});
}
reader.readAsArrayBuffer(input.files[0])
input.type = ''; input.type = 'file'; // reset field
}
function onSavegamesExport() {
ret = Module._emSavegamesExport();
if (ret) {
FSDownload('savegames.zip', 'application/zip');
}
}
function gameExtractAndRun() {
start = Date.now();
var ret = Module.ccall('PyRun_SimpleString', 'number', ['string'], [
"import zipfile\n" +
"zip_ref = zipfile.ZipFile('game.zip', 'r')\n" +
"zip_ref.extractall('.')\n" +
"zip_ref.close()\n"
])
if (ret != 0) {
Module.setStatus("Error extracting .zip.");
return;
}
FS.unlink('/game.zip')
Module.print("Extracted in " + (Date.now()-start)/1000.0 + "s\n");
if (FS.readdir('/').indexOf('game') < 0) {
Module.setStatus("Invalid .zip (no top-level 'game' directory).");
return;
}
// presplash
presplash = undefined;
if (FS.readdir('/').indexOf('web-presplash.png') >= 0) {
presplash = FS.readFile('/web-presplash.png');
} else if (FS.readdir('/').indexOf('web-presplash.jpg') >= 0) {
presplash = FS.readFile('/web-presplash.jpg');
} else if (FS.readdir('/').indexOf('web-presplash.webp') >= 0) {
presplash = FS.readFile('/web-presplash.webp');
} else if (FS.readdir('/').indexOf('web-presplash-default.jpg') >= 0) {
presplash = FS.readFile('/web-presplash-default.jpg');
}
div = document.createElement('div');
div.id = 'presplash'; // used by presplashEnd()
div.style = 'position: absolute; width: 100%; height: 100%';
c = document.getElementById('canvas');
c.parentElement.prepend(div);
if (presplash) {
obj_url = window.URL.createObjectURL(new Blob([presplash]));
img = document.createElement('img');
img.src = obj_url;
img.style = 'display: block; margin: auto; width: 100%; height: 100%; object-fit: contain';
div.appendChild(img)
} else {
Module.print("Loading game, please wait...\n");
}
// give control back to webui before running main
window.setTimeout(function() {
Module.ccall('pyapp_runmain', '', [], [], {async: true})
}, 200); // smaller delay doesn't update the DOM, esp. on mobile
}
// hook for Ren'Py
function presplashEnd() {
document.getElementById('presplash').remove();
}
function FSDownload(filename, mimetype) {
console.log('download', filename);
var a = document.createElement('a');
a.download = filename.replace(/.*\//, '');
try {
a.href = window.URL.createObjectURL(new Blob([FS.readFile(filename)],
{ type: mimetype || '' }));
} catch(e) {
Module.print("Error opening " + filename + "\n");
return;
}
document.body.appendChild(a);
a.click();
// delay clean-up to avoid iOS issue:
// The operation couldn’t be completed. (WebKitBlobResourse error 1.)
setTimeout(function() {
window.URL.revokeObjectURL(a.href);
document.body.removeChild(a);
}, 1000);
}
</script>
<script type='text/javascript'>
var statusElement = document.getElementById('status');
var progressElement = document.getElementById('progress');
var spinnerElement = document.getElementById('spinner');
var Module = {
preRun: [],
postRun: [],
print: (function() {
var element = document.getElementById('status');
return function(text) {
if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
console.log(text);
// These replacements are necessary if you render to raw HTML
text = String(text);
text = text.replace(/&/g, "&");
text = text.replace(/</g, "<");
text = text.replace(/>/g, ">");
text = text.replace('\n', '<br />', 'g');
element.innerHTML += text;
statusbar = document.getElementById('statusbar');
statusbar.hidden = false;
var print_date = new Date();
statusbar.date = print_date;
window.setTimeout(function() {
// Hide status bar after a few seconds - only if setStatus isn't active
if (Module.setStatus.last && Module.setStatus.last.text == ''
&& statusbar.date == print_date) {
element.innerHTML = ''; statusbar.hidden = true;
}
}, 3000);
};
})(),
printErr: function(text) {
if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
if (0) { // XXX disabled for safety typeof dump == 'function') {
dump(text + '\n'); // fast, straight to the real console
} else {
console.error(text);
}
},
canvas: (function() {
var canvas = document.getElementById('canvas');
// As a default initial behavior, pop up an alert when webgl context is lost. To make your
// application robust, you may want to override this behavior before shipping!
// See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
return canvas;
})(),
setStatus: function(text) {
if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
if (text === Module.setStatus.last.text) return;
var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
var now = Date.now();
if (m && now - Module.setStatus.last.time < 30) return; // if this is a progress update, skip it if too soon
Module.setStatus.last.time = now;
Module.setStatus.last.text = text;
if (m) {
text = m[1];
progressElement.value = parseInt(m[2])*100;
progressElement.max = parseInt(m[4])*100;
progressElement.hidden = false;
spinnerElement.hidden = false;
} else {
progressElement.value = null;
progressElement.max = null;
progressElement.hidden = true;
if (!text) spinnerElement.style.display = 'none';
}
if (text == '') {
statusElement.innerHTML = '';
document.getElementById('statusbar').hidden = true;
} else {
statusElement.innerHTML = text + '<br />';
document.getElementById('statusbar').hidden = false;
}
},
totalDependencies: 0,
monitorRunDependencies: function(left) {
this.totalDependencies = Math.max(this.totalDependencies, left);
Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
}
};
Module.setStatus('Downloading...');
window.onerror = function(event) {
// TODO: do not warn on ok events like simulating an infinite loop or exitStatus
//Module.setStatus('Exception thrown, see JavaScript console');
// Explicitly display meaningful errors such as "uncaught exception: out of memory":
var appleWarning = "";
if (/RangeError/.test(event)) {
appleWarning = "\n<p>This is a known issue with this beta and recent changes to some web browsers. Reloading this page with developer tools open may help.";
}
Module.setStatus('Error: ' + event.split('\n')[0] + ' (see JavaScript console for details)' + appleWarning);
spinnerElement.style.display = 'none';
Module.setStatus = function(text) {
if (text) Module.printErr('[post-exception status] ' + text);
};
};
</script>
<script type='text/javascript' src="pythonhome-data.js"></script>
<script type='text/javascript' src="pyapp-data.js"></script>
<script type='text/javascript'>
/* This block contains code for running Python statements
* in Ren'Py process from JS.
*
* Copyright 2022 Teyut <teyut@free.fr>, MIT License.
*/
(function() {
let cmd_queue = [];
let cur_cmd = undefined;
let debug = false;
function dbg_log(...args) {
if(debug) console.debug(...args);
}
/** This functions is called by the wrapper script at the end of script execution. */
function cmd_callback(result) {
dbg_log('cmd_callback', result);
if(cur_cmd === undefined) {
console.error('Unexpected command result', result);
return;
}
try {
if(result.error !== undefined) {
dbg_log('ERROR', result.name, result.error, result.traceback);
const e = new Error(result.error);
e.name = result.name;
e.traceback = result.traceback;
cur_cmd.reject(e);
} else {
dbg_log('SUCCESS', result.data);
cur_cmd.resolve(result.data);
}
} finally {
cur_cmd = undefined;
send_next_cmd();
}
}
/** Prepare and send the next command to be executed if any. */
function send_next_cmd() {
if(cmd_queue.length == 0) return
cur_cmd = cmd_queue.shift();
dbg_log('send_next_cmd', cur_cmd);
// Convert script to base64 to prevent having to escape
// the script content as a Python string
const script_b64 = btoa(cur_cmd.py_script);
const wrapper = 'import base64, emscripten, json, traceback;\n'
+ 'try:'
+ "result = None;"
+ "exec(base64.b64decode('" + script_b64 + "').decode('utf-8'));"
+ "result = json.dumps(dict(data=result));"
+ "\n"
+ "except Exception as e:"
+ "result = json.dumps(dict(error=str(e), name=e.__class__.__name__, traceback=traceback.format_exc()));"
+ "\n"
+ "emscripten.run_script('_renpy_cmd_callback(%s)' % (result,));";
dbg_log(wrapper);
// Write script to the global variable Ren'Py is monitoring
window._renpy_cmd = wrapper;
}
/** Add a command to the queue and execute it if the queue was empty. */
function add_cmd(py_script, resolve, reject) {
const cmd = {py_script: py_script, resolve: resolve, reject: reject};
dbg_log('add_cmd', cmd);
cmd_queue.push(cmd);
if(cur_cmd === undefined) send_next_cmd();
}
/* Global definitions */
/** Execute Python statements in Ren'Py Python's thread. The statements are executed
* using the renpy.python.py_exec() function, and the value of the "result" variable
* is passed to the resolve callback. In case of error, an Error instance is passed
* to the reject callback, with an extra "traceback" property.
* @param py_script The Python script to execute.
* @return A promise which resolves with the statements result.
*/
renpy_exec = function(py_script) {
return new Promise((resolve, reject) => {
add_cmd(py_script, resolve, reject);
});
};
/** Helper function to get the value of a Ren'Py variable.
* @param name The variable name (e.g., "build.name").
* @return A promise which resolves with the variable value.
*/
renpy_get = function(name) {
return new Promise((resolve, reject) => {
renpy_exec('result = ' + name)
.then(resolve).catch(reject);
});
};
/** Helper function to set the value of a Ren'Py variable.
* @param name The variable name (e.g., "build.name").
* @param value The value to set. It should either be a basic JS type that
* will be converted to JSON, or a Python expression. The raw
* parameter must be set to true for the latter case.
* @param raw (optional) If true, value is a valid Python expression.
* Otherwise, it must be a basic JS type.
* @return A promise which resolves with true in case of success
* and fails otherwise.
*/
renpy_set = function(name, value, raw) {
let script;
if(raw) {
script = name + " = " + value + "; result = True";
} else {
// Using base64 as it is unclear if we can use the output
// of JSON.stringify() directly as a Python string
script = 'import base64, json; '
+ name + " = json.loads(base64.b64decode('"
+ btoa(JSON.stringify(value))
+ "').decode('utf-8')); result = True";
}
return new Promise((resolve, reject) => {
renpy_exec(script)
.then(resolve).catch(reject);
});
};
_renpy_cmd_callback = cmd_callback;
/** Stubs for web3 functionality. */
window.loadCache = () => { };
window.clearCache = () => { };
window.webglContextLost = false;
window.webglContextRestored = false;
})();
</script>
<script type='text/javascript'>
function create_persistent() {
// populate savegames
try {
FS.mkdir('/home/web_user/.renpy');
FS.mount(IDBFS, {}, '/home/web_user/.renpy');
} catch(e) {
console.log(e);
Module.print("Could not create ~/.renpy/ : " + e.message + "\n");
}
FS.syncfs(true, function(err) {
if (err) {
console.trace(); console.log(err, err.message);
// Note: not visible enough, quickly replaced by loading status
Module.print("Warning: cannot save games\n");
}
});
}
if (Module['calledRun']) {
create_persistent();
} else {
if (!Module['preRun']) Module['preRun'] = [];
Module["preRun"].push(create_persistent); // FS is not initialized yet, wait for it
}
/***************************************************************************
* Fetch.
***************************************************************************/
let fetchId = 1;
let fetchResult = { };
/**
* Fetch a file from the server.
*
* @param method The HTTP method to use.
* @param url The URL to fetch.
* @param inFile The file to send to the server. A string giving the file name, or null for no file.
* @param outFile The file to write the response to. A string giving the file name, or null for no file.
* @param inContentType The content type of the file to send to the server. A string giving the content type. Ignored if inFile is null.
* @param headers A string containing a JSON object that contains the headers to send to the server.
*
* @return A string giving the result of the fetch. The first word is the status, which is one of "OK", "ERROR", or "PENDING", followed by the HTTP status code and status text.
*/
function fetchFile(method, url, inFile, outFile, inContentType, headers) {
let id = fetchId++;
fetchResult[id] = "PENDING Fetch in progress.";
// Ensure headers exists and is not a copy.
if (headers) {
headers = JSON.parse(headers)
} else {
headers = { };
}
headers = { ...headers };
async function fetchFileWork() {
try {
let content = ''
if (inFile) {
headers["Content-Type"] = inContentType || 'application/octet-stream';
}
let options = { method: method, headers: headers};
if (inFile) {
options.body = FS.readFile(inFile, { encoding: 'binary' });
}
let response = await fetch(url, options);
if (response.ok) {
if (outFile) {
let ab = await response.arrayBuffer();
FS.writeFile(outFile, new Uint8Array(ab));
}
fetchResult[id] = "OK " + response.status + " " + response.statusText;
} else{
fetchResult[id] = "ERROR " + response.status + " " + response.statusText;
}
} catch (err) {
fetchResult[id] = "ERROR " + err;
console.error(err);
}
}
fetchFileWork();
return id;
}
function fetchFileResult(id) {
let result = fetchResult[id];
if (! result.startsWith("PENDING")) {
delete fetchResult[id];
}
return result || "ERROR Fetch ID not found.";
}
window.fetchFile = fetchFile;
window.fetchFileResult = fetchFileResult;
/**
* Fullscreen support.
*/
let lastFullscreenTime = 0;
function isFullscreen() {
let now = +new Date();
return document.fullscreenElement ? 1 : 0;
}
window.isFullscreen = isFullscreen;
function setFullscreen(enable) {
let current = document.fullscreenElement !== null;
if (enable == current) {
return;
}
let now = +new Date();
if (lastFullscreenTime + 250 > +new Date()) {
return;
}
lastFullscreenTime = now;
setTimeout(function () {
if (enable) {
let e = document.getElementsByTagName("html")[0];
e.requestFullscreen().catch(function (error) {
lastFullscreenTime = now + 15000;
});
} else {
document.exitFullscreen();
}
}, 0);
}
window.setFullscreen = setFullscreen;
</script>
{{{ SCRIPT }}}
</body>
</html>