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github-actions[bot] authored Aug 10, 2024
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288 changes: 288 additions & 0 deletions game.js
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var Module;

if (typeof Module === 'undefined') Module = eval('(function() { try { return Module || {} } catch(e) { return {} } })()');

if (!Module.expectedDataFileDownloads) {
Module.expectedDataFileDownloads = 0;
Module.finishedDataFileDownloads = 0;
}
Module.expectedDataFileDownloads++;
(function() {
var loadPackage = function(metadata) {

var PACKAGE_PATH;
if (typeof window === 'object') {
PACKAGE_PATH = window['encodeURIComponent'](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf('/')) + '/');
} else if (typeof location !== 'undefined') {
// worker
PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/');
} else {
throw 'using preloaded data can only be done on a web page or in a web worker';
}
var PACKAGE_NAME = 'game.data';
var REMOTE_PACKAGE_BASE = 'game.data';
if (typeof Module['locateFilePackage'] === 'function' && !Module['locateFile']) {
Module['locateFile'] = Module['locateFilePackage'];
Module.printErr('warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)');
}
var REMOTE_PACKAGE_NAME = typeof Module['locateFile'] === 'function' ?
Module['locateFile'](REMOTE_PACKAGE_BASE) :
((Module['filePackagePrefixURL'] || '') + REMOTE_PACKAGE_BASE);

var REMOTE_PACKAGE_SIZE = metadata.remote_package_size;
var PACKAGE_UUID = metadata.package_uuid;

function fetchRemotePackage(packageName, packageSize, callback, errback) {
var xhr = new XMLHttpRequest();
xhr.open('GET', packageName, true);
xhr.responseType = 'arraybuffer';
xhr.onprogress = function(event) {
var url = packageName;
var size = packageSize;
if (event.total) size = event.total;
if (event.loaded) {
if (!xhr.addedTotal) {
xhr.addedTotal = true;
if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
Module.dataFileDownloads[url] = {
loaded: event.loaded,
total: size
};
} else {
Module.dataFileDownloads[url].loaded = event.loaded;
}
var total = 0;
var loaded = 0;
var num = 0;
for (var download in Module.dataFileDownloads) {
var data = Module.dataFileDownloads[download];
total += data.total;
loaded += data.loaded;
num++;
}
total = Math.ceil(total * Module.expectedDataFileDownloads/num);
if (Module['setStatus']) Module['setStatus']('Downloading data... (' + loaded + '/' + total + ')');
} else if (!Module.dataFileDownloads) {
if (Module['setStatus']) Module['setStatus']('Downloading data...');
}
};
xhr.onerror = function(event) {
throw new Error("NetworkError for: " + packageName);
}
xhr.onload = function(event) {
if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
var packageData = xhr.response;
callback(packageData);
} else {
throw new Error(xhr.statusText + " : " + xhr.responseURL);
}
};
xhr.send(null);
};

function handleError(error) {
console.error('package error:', error);
};

function runWithFS() {

function assert(check, msg) {
if (!check) throw msg + new Error().stack;
}

function DataRequest(start, end, crunched, audio) {
this.start = start;
this.end = end;
this.crunched = crunched;
this.audio = audio;
}
DataRequest.prototype = {
requests: {},
open: function(mode, name) {
this.name = name;
this.requests[name] = this;
Module['addRunDependency']('fp ' + this.name);
},
send: function() {},
onload: function() {
var byteArray = this.byteArray.subarray(this.start, this.end);

this.finish(byteArray);

},
finish: function(byteArray) {
var that = this;

Module['FS_createDataFile'](this.name, null, byteArray, true, true, true); // canOwn this data in the filesystem, it is a slide into the heap that will never change
Module['removeRunDependency']('fp ' + that.name);

this.requests[this.name] = null;
}
};

var files = metadata.files;
for (i = 0; i < files.length; ++i) {
new DataRequest(files[i].start, files[i].end, files[i].crunched, files[i].audio).open('GET', files[i].filename);
}


var indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
var IDB_RO = "readonly";
var IDB_RW = "readwrite";
var DB_NAME = "EM_PRELOAD_CACHE";
var DB_VERSION = 1;
var METADATA_STORE_NAME = 'METADATA';
var PACKAGE_STORE_NAME = 'PACKAGES';
function openDatabase(callback, errback) {
try {
var openRequest = indexedDB.open(DB_NAME, DB_VERSION);
} catch (e) {
return errback(e);
}
openRequest.onupgradeneeded = function(event) {
var db = event.target.result;

if(db.objectStoreNames.contains(PACKAGE_STORE_NAME)) {
db.deleteObjectStore(PACKAGE_STORE_NAME);
}
var packages = db.createObjectStore(PACKAGE_STORE_NAME);

if(db.objectStoreNames.contains(METADATA_STORE_NAME)) {
db.deleteObjectStore(METADATA_STORE_NAME);
}
var metadata = db.createObjectStore(METADATA_STORE_NAME);
};
openRequest.onsuccess = function(event) {
var db = event.target.result;
callback(db);
};
openRequest.onerror = function(error) {
errback(error);
};
};

/* Check if there's a cached package, and if so whether it's the latest available */
function checkCachedPackage(db, packageName, callback, errback) {
var transaction = db.transaction([METADATA_STORE_NAME], IDB_RO);
var metadata = transaction.objectStore(METADATA_STORE_NAME);

var getRequest = metadata.get("metadata/" + packageName);
getRequest.onsuccess = function(event) {
var result = event.target.result;
if (!result) {
return callback(false);
} else {
return callback(PACKAGE_UUID === result.uuid);
}
};
getRequest.onerror = function(error) {
errback(error);
};
};

function fetchCachedPackage(db, packageName, callback, errback) {
var transaction = db.transaction([PACKAGE_STORE_NAME], IDB_RO);
var packages = transaction.objectStore(PACKAGE_STORE_NAME);

var getRequest = packages.get("package/" + packageName);
getRequest.onsuccess = function(event) {
var result = event.target.result;
callback(result);
};
getRequest.onerror = function(error) {
errback(error);
};
};

function cacheRemotePackage(db, packageName, packageData, packageMeta, callback, errback) {
var transaction_packages = db.transaction([PACKAGE_STORE_NAME], IDB_RW);
var packages = transaction_packages.objectStore(PACKAGE_STORE_NAME);

var putPackageRequest = packages.put(packageData, "package/" + packageName);
putPackageRequest.onsuccess = function(event) {
var transaction_metadata = db.transaction([METADATA_STORE_NAME], IDB_RW);
var metadata = transaction_metadata.objectStore(METADATA_STORE_NAME);
var putMetadataRequest = metadata.put(packageMeta, "metadata/" + packageName);
putMetadataRequest.onsuccess = function(event) {
callback(packageData);
};
putMetadataRequest.onerror = function(error) {
errback(error);
};
};
putPackageRequest.onerror = function(error) {
errback(error);
};
};

function processPackageData(arrayBuffer) {
Module.finishedDataFileDownloads++;
assert(arrayBuffer, 'Loading data file failed.');
assert(arrayBuffer instanceof ArrayBuffer, 'bad input to processPackageData');
var byteArray = new Uint8Array(arrayBuffer);
var curr;

// copy the entire loaded file into a spot in the heap. Files will refer to slices in that. They cannot be freed though
// (we may be allocating before malloc is ready, during startup).
if (Module['SPLIT_MEMORY']) Module.printErr('warning: you should run the file packager with --no-heap-copy when SPLIT_MEMORY is used, otherwise copying into the heap may fail due to the splitting');
var ptr = Module['getMemory'](byteArray.length);
Module['HEAPU8'].set(byteArray, ptr);
DataRequest.prototype.byteArray = Module['HEAPU8'].subarray(ptr, ptr+byteArray.length);

var files = metadata.files;
for (i = 0; i < files.length; ++i) {
DataRequest.prototype.requests[files[i].filename].onload();
}
Module['removeRunDependency']('datafile_game.data');

};
Module['addRunDependency']('datafile_game.data');

if (!Module.preloadResults) Module.preloadResults = {};

function preloadFallback(error) {
console.error(error);
console.error('falling back to default preload behavior');
fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, processPackageData, handleError);
};

openDatabase(
function(db) {
checkCachedPackage(db, PACKAGE_PATH + PACKAGE_NAME,
function(useCached) {
Module.preloadResults[PACKAGE_NAME] = {fromCache: useCached};
if (useCached) {
console.info('loading ' + PACKAGE_NAME + ' from cache');
fetchCachedPackage(db, PACKAGE_PATH + PACKAGE_NAME, processPackageData, preloadFallback);
} else {
console.info('loading ' + PACKAGE_NAME + ' from remote');
fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE,
function(packageData) {
cacheRemotePackage(db, PACKAGE_PATH + PACKAGE_NAME, packageData, {uuid:PACKAGE_UUID}, processPackageData,
function(error) {
console.error(error);
processPackageData(packageData);
});
}
, preloadFallback);
}
}
, preloadFallback);
}
, preloadFallback);

if (Module['setStatus']) Module['setStatus']('Downloading...');

}
if (Module['calledRun']) {
runWithFS();
} else {
if (!Module['preRun']) Module['preRun'] = [];
Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
}

}
loadPackage({"package_uuid":"80826f15-f924-4428-a8c4-e984743417c6","remote_package_size":62246034,"files":[{"filename":"/game.love","crunched":0,"start":0,"end":62246034,"audio":false}]});

})();
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