96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef EMSCRIPTEN
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#define FORBIDDEN_SYMBOL_EXCEPTION_getenv
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#define FORBIDDEN_SYMBOL_EXCEPTION_FILE
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#include "backends/fs/emscripten/emscripten-fs-factory.h"
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#include "backends/fs/emscripten/emscripten-posix-fs.h"
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#include "backends/fs/emscripten/http-fs.h"
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#include "common/debug.h"
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#ifdef USE_CLOUD
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#include "backends/fs/emscripten/cloud-fs.h"
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#endif
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#include <emscripten.h>
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EM_ASYNC_JS(void, _initSettings, (const char *pathPtr), {
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try {
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const path = UTF8ToString(pathPtr);
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const settingsPath = path + "/scummvm.ini";
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// Mount the filesystem
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FS.mount(IDBFS, { autoPersist: true }, path);
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// Sync the filesystem
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await new Promise((resolve, reject) => {
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FS.syncfs(true, (err) => err ? reject(err) : resolve());
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});
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// Check if settings file exists and download if needed
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if (!FS.analyzePath(settingsPath).exists) {
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const response = await fetch("scummvm.ini");
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if (response.ok) {
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const text = await response.text();
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FS.writeFile(settingsPath, text);
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}
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}
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} catch (err) {
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console.error("Error initializing files:", err);
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alert("Error initializing files: " + err);
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throw err;
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}
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});
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EmscriptenFilesystemFactory::EmscriptenFilesystemFactory() {
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_initSettings(getenv("HOME"));
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_httpNodes = new Common::HashMap<Common::String, HTTPFilesystemNode *>();
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}
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AbstractFSNode *EmscriptenFilesystemFactory::makeCurrentDirectoryFileNode() const {
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// getcwd() defaults to root on emscripten and ScummVM doesn't use setcwd()
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return makeRootFileNode();
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}
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AbstractFSNode *EmscriptenFilesystemFactory::makeRootFileNode() const {
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return new EmscriptenPOSIXFilesystemNode("/");
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}
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AbstractFSNode *EmscriptenFilesystemFactory::makeFileNodePath(const Common::String &path) const {
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debug(5, "EmscriptenFilesystemFactory::makeFileNodePath(%s)", path.c_str());
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assert(!path.empty());
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if (path.hasPrefix(DATA_PATH)) {
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if (!_httpNodes->contains(path)) {
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// finding a node by path requires a http request to the server, so we cache the nodes
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_httpNodes->setVal(path, new HTTPFilesystemNode(path));
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}
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return new HTTPFilesystemNode(*(_httpNodes->getVal(path)));
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#ifdef USE_CLOUD
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} else if (path.hasPrefix(CLOUD_FS_PATH) && CloudMan.isStorageEnabled()) {
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return new CloudFilesystemNode(path);
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#endif
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} else {
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return new EmscriptenPOSIXFilesystemNode(path);
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}
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}
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#endif
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