<!DOCTYPE html>
<html xmlns="https://www.w3.org/1999/xhtml" lang="en">

<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no" />
    <meta name="author" content="Pandemonium Engine" />
    <meta name="description" content="Use the Pandemonium Engine editor directly in your web browser, without having to install anything." />
    <meta name="mobile-web-app-capable" content="yes" />
    <meta name="apple-mobile-web-app-capable" content="yes" />
    <meta name="application-name" content="Pandemonium" />
    <meta name="apple-mobile-web-app-title" content="Pandemonium" />
    <meta name="theme-color" content="#202531" />
    <meta name="msapplication-navbutton-color" content="#202531" />
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
    <meta name="msapplication-starturl" content="/latest" />
    <meta property="og:site_name" content="Pandemonium Engine Web Editor" />
    <meta property="og:url" name="twitter:url" content="https://editor.godotengine.org/releases/latest/" />
    <meta property="og:title" name="twitter:title" content="Free and open source 2D and 3D game engine" />
    <meta property="og:description" name="twitter:description" content="Use the Pandemonium Engine editor directly in your web browser, without having to install anything." />
    <meta property="og:image" name="twitter:image" content="https://godotengine.org/themes/godotengine/assets/og_image.png" />
    <meta property="og:type" content="website" />
    <meta name="twitter:card" content="summary" />
    <link id="-gd-engine-icon" rel="icon" type="image/png" href="favicon.png" />
    <link rel="apple-touch-icon" type="image/png" href="favicon.png" />
    <link rel="manifest" href="manifest.json" />
    <title>Pandemonium Engine Web Editor (@PANDEMONIUM_VERSION@)</title>
    <style>
        *:focus {
            /* More visible outline for better keyboard navigation. */
            outline: 0.125rem solid hsl(220, 100%, 62.5%);
            /* Make the outline always appear above other elements. */
            /* Otherwise, one of its sides can be hidden by tabs in the Download and More layouts. */
            position: relative;
        }

        body {
            touch-action: none;
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
            margin: 0;
            border: 0 none;
            padding: 0;
            text-align: center;
            background-color: #333b4f;
            overflow: hidden;
        }

        a {
            color: hsl(205, 100%, 75%);
            text-decoration-color: hsla(205, 100%, 75%, 0.3);
            text-decoration-thickness: 0.125rem;
        }

        a:hover {
            filter: brightness(117.5%);
        }

        a:active {
            filter: brightness(82.5%);
        }

        .welcome-modal {
            display: none;
            position: fixed;
            z-index: 1;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: hsla(0, 0%, 0%, 0.5);
        }

        .welcome-modal-content {
            background-color: #333b4f;
            box-shadow: 0 0.25rem 0.25rem hsla(0, 0%, 0%, 0.5);
            line-height: 1.5;
            max-width: 38rem;
            margin: 4rem auto 0 auto;
            color: white;
            border-radius: 0.5rem;
            padding: 1rem 1rem 2rem 1rem;
        }

        #tabs-buttons {
            /* Match the default background color of the editor window for a seamless appearance. */
            background-color: #202531;
        }

        #tab-game {
            /* Use a pure black background to better distinguish the running project */
            /* from the editor window, and to use a more neutral background color (no tint). */
            background-color: black;
            /* Make the background span the entire page height. */
            min-height: 100vh;
        }

        #canvas,
        #gameCanvas {
            display: block;
            margin: 0;
            color: white;
        }

        /* Don't show distracting focus outlines for the main tabs' contents. */
        #tab-editor canvas:focus,
        #tab-game canvas:focus,
        #canvas:focus,
        #gameCanvas:focus {
            outline: none;
        }

        .pandemonium {
            color: #e0e0e0;
            background-color: #3b3943;
            background-image: linear-gradient(to bottom, #403e48, #35333c);
            border: 1px solid #45434e;
            box-shadow: 0 0 1px 1px #2f2d35;
        }

        .btn {
            appearance: none;
            color: #e0e0e0;
            background-color: #262c3b;
            border: 1px solid #202531;
            padding: 0.5rem 1rem;
            margin: 0 0.5rem;
        }

        .btn:not(:disabled):hover {
            color: #e0e1e5;
            border-color: #666c7b;
        }

        .btn:active {
            border-color: #699ce8;
            color: #699ce8;
        }

        .btn:disabled {
            color: #aaa;
            border-color: #242937;
        }

        .btn.tab-btn {
            padding: 0.3rem 1rem;
        }

        .btn.close-btn {
            padding: 0.3rem 1rem;
            margin-left: -0.75rem;
            font-weight: 700;
        }


        /* Status display
		 * ============== */

        #status {
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            /* don't consume click events - make children visible explicitly */
            visibility: hidden;
        }

        #status-progress {
            width: 366px;
            height: 7px;
            background-color: #38363A;
            border: 1px solid #444246;
            padding: 1px;
            box-shadow: 0 0 2px 1px #1B1C22;
            border-radius: 2px;
            visibility: visible;
        }

        @media only screen and (orientation:portrait) {
            #status-progress {
                width: 61.8%;
            }
        }

        #status-progress-inner {
            height: 100%;
            width: 0;
            box-sizing: border-box;
            transition: width 0.5s linear;
            background-color: #202020;
            border: 1px solid #222223;
            box-shadow: 0 0 1px 1px #27282E;
            border-radius: 3px;
        }

        #status-indeterminate {
            visibility: visible;
            position: relative;
        }

        #status-indeterminate>div {
            width: 4.5px;
            height: 0;
            border-style: solid;
            border-width: 9px 3px 0 3px;
            border-color: #2b2b2b transparent transparent transparent;
            transform-origin: center 21px;
            position: absolute;
        }

        #status-indeterminate>div:nth-child(1) {
            transform: rotate(22.5deg);
        }

        #status-indeterminate>div:nth-child(2) {
            transform: rotate(67.5deg);
        }

        #status-indeterminate>div:nth-child(3) {
            transform: rotate(112.5deg);
        }

        #status-indeterminate>div:nth-child(4) {
            transform: rotate(157.5deg);
        }

        #status-indeterminate>div:nth-child(5) {
            transform: rotate(202.5deg);
        }

        #status-indeterminate>div:nth-child(6) {
            transform: rotate(247.5deg);
        }

        #status-indeterminate>div:nth-child(7) {
            transform: rotate(292.5deg);
        }

        #status-indeterminate>div:nth-child(8) {
            transform: rotate(337.5deg);
        }

        #status-notice {
            margin: 0 100px;
            line-height: 1.3;
            visibility: visible;
            padding: 4px 6px;
            visibility: visible;
        }
    </style>
</head>

<body>
    <div id="welcome-modal" class="welcome-modal" role="dialog" aria-labelledby="welcome-modal-title" aria-describedby="welcome-modal-description" onclick="if (event.target === this) closeWelcomeModal(false)">
        <div class="welcome-modal-content">
            <h2 id="welcome-modal-title">Important - Please read before continuing</h2>
            <div id="welcome-modal-description">
                <p>
                    The Pandemonium Web Editor has some limitations compared to the native version.
                    Its main focus is education and experimentation;
                    <strong>it is not recommended for production</strong>.
                </p>
                <p>
                    Refer to the
                    <a href="https://docs.godotengine.org/en/latest/tutorials/editor/using_the_web_editor.html" target="_blank" rel="noopener">Web editor documentation</a> for usage instructions and limitations.
                </p>
            </div>
            <button id="welcome-modal-dismiss" class="btn" type="button" onclick="closeWelcomeModal(true)" style="margin-top: 1rem">
                OK, don't show again
            </button>
        </div>
    </div>
    <div id="tabs-buttons">
        <button id="btn-tab-loader" class="btn tab-btn" onclick="showTab('loader')">Loader</button>
        <button id="btn-tab-editor" class="btn tab-btn" disabled="disabled" onclick="showTab('editor')">Editor</button>
        <button id="btn-close-editor" class="btn close-btn" disabled="disabled" onclick="closeEditor()">×</button>
        <button id="btn-tab-game" class="btn tab-btn" disabled="disabled" onclick="showTab('game')">Game</button>
        <button id="btn-close-game" class="btn close-btn" disabled="disabled" onclick="closeGame()">×</button>
        <button id="btn-tab-update" class="btn tab-btn" style="display: none;">Update</button>
    </div>
    <div id="tabs">
        <div id="tab-loader">
            <div style="color: #e0e0e0;" id="persistence">
                <br />
                <img src="logo.svg" alt="Pandemonium Engine logo" width="1024" height="414" style="width: auto; height: auto; max-width: min(85%, 50vh); max-height: 250px" />
                <br />
                @PANDEMONIUM_VERSION@
                <br />
                <a href="releases/">Need an old version?</a>
                <br />
                <br />
                <br />
                <label for="videoMode" style="margin-right: 1rem">Video driver:</label>
                <select id="videoMode">
                    <option value="" selected="selected">Auto</option>
                    <option value="GLES2">WebGL</option>
                    <option value="GLES3">WebGL 2</option>
                </select>
                <br />
                <br />
                <label for="zip-file" style="margin-right: 1rem">Preload project ZIP:</label> <input id="zip-file" type="file" name="files" style="margin-bottom: 1rem" />
                <br />
                <a href="demo.zip">(Try this for example)</a>
                <br />
                <br />
                <button id="startButton" class="btn" style="margin-bottom: 4rem; font-weight: 700">Start Pandemonium editor</button>
                <br />
                <button class="btn" onclick="clearPersistence()" style="margin-bottom: 1.5rem">Clear persistent data</button>
                <br />
                <a href="https://docs.godotengine.org/en/3.4/tutorials/editor/using_the_web_editor.html">Web editor documentation</a>
            </div>
        </div>
        <div id="tab-editor" style="display: none;">
            <canvas id="editor-canvas" tabindex="1">
                HTML5 canvas appears to be unsupported in the current browser.<br />
                Please try updating or use a different browser.
            </canvas>
        </div>
        <div id="tab-game" style="display: none;">
            <canvas id="game-canvas" tabindex="2">
                HTML5 canvas appears to be unsupported in the current browser.<br />
                Please try updating or use a different browser.
            </canvas>
        </div>
        <div id="tab-status" style="display: none;">
            <div id="status-progress" style="display: none;" oncontextmenu="event.preventDefault();">
                <div id="status-progress-inner"></div>
            </div>
            <div id="status-indeterminate" style="display: none;" oncontextmenu="event.preventDefault();">
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
                <div></div>
            </div>
            <div id="status-notice" class="pandemonium" style="display: none;"></div>
        </div>
    </div>
    <script>
        //<![CDATA[
        window.addEventListener("load", () => {
            function notifyUpdate(sw) {
                const btn = document.getElementById("btn-tab-update");
                btn.onclick = function() {
                    if (!window.confirm("Are you sure you want to update?\nClicking \"OK\" will reload all active instances!")) {
                        return;
                    }
                    sw.postMessage("update");
                    btn.innerHTML = "Updating...";
                    btn.disabled = true;
                };
                btn.style.display = "";
            }
            if ("serviceWorker" in navigator) {
                navigator.serviceWorker.register("service.worker.js").then(function(reg) {
                    if (reg.waiting) {
                        notifyUpdate(reg.waiting);
                    }
                    reg.addEventListener("updatefound", function() {
                        const update = reg.installing;
                        update.addEventListener("statechange", function() {
                            if (update.state === "installed") {
                                // It's a new install, claim and perform aggressive caching.
                                if (!reg.active) {
                                    update.postMessage("claim");
                                } else {
                                    notifyUpdate(update);
                                }
                            }
                        });
                    });
                });
            }

            if (localStorage.getItem("welcomeModalDismissed") !== 'true') {
                document.getElementById("welcome-modal").style.display = "block";
                document.getElementById("welcome-modal-dismiss").focus();
            }
        });

        function closeWelcomeModal(dontShowAgain) {
            document.getElementById("welcome-modal").style.display = "none";
            if (dontShowAgain) {
                localStorage.setItem("welcomeModalDismissed", 'true');
            }
        }
        //]]>
    </script>
    <script src="pandemonium.tools.js"></script>
    <script>
        //<![CDATA[

        var editor = null;
        var game = null;
        var setStatusMode;
        var setStatusNotice;
        var video_driver = "";

        function clearPersistence() {
            function deleteDB(path) {
                return new Promise(function(resolve, reject) {
                    var req = indexedDB.deleteDatabase(path);
                    req.onsuccess = function() {
                        resolve();
                    };
                    req.onerror = function(err) {
                        reject(err);
                    };
                    req.onblocked = function(err) {
                        reject(err);
                    }

                });
            }
            if (!window.confirm("Are you sure you want to delete all the locally stored files?\nClicking \"OK\" will permanently remove your projects and editor settings!")) {
                return;
            }
            Promise.all([
                deleteDB("/home/web_user"),
            ]).then(function(results) {
                alert("Done.");
            }).catch(function(err) {
                alert("Error deleting local files. Please retry after reloading the page.");
            });
        }

        function selectVideoMode() {
            var select = document.getElementById('videoMode');
            video_driver = select.selectedOptions[0].value;
        }

        var tabs = [
            document.getElementById('tab-loader'),
            document.getElementById('tab-editor'),
            document.getElementById('tab-game')
        ]

        function showTab(name) {
            tabs.forEach(function(elem) {
                if (elem.id == 'tab-' + name) {
                    elem.style.display = 'block';
                    if (name == 'editor' || name == 'game') {
                        const canvas = document.getElementById(name + '-canvas');
                        canvas.focus();
                    }
                } else {
                    elem.style.display = 'none';
                }
            });
        }

        function setButtonEnabled(id, enabled) {
            if (enabled) {
                document.getElementById(id).disabled = "";
            } else {
                document.getElementById(id).disabled = "disabled";
            }
        }

        function setLoaderEnabled(enabled) {
            setButtonEnabled('btn-tab-loader', enabled);
            setButtonEnabled('btn-tab-editor', !enabled);
            setButtonEnabled('btn-close-editor', !enabled);
        }

        function setGameTabEnabled(enabled) {
            setButtonEnabled('btn-tab-game', enabled);
            setButtonEnabled('btn-close-game', enabled);
        }

        function closeGame() {
            if (game) {
                game.requestQuit();
            }
        }

        function closeEditor() {
            closeGame();
            if (editor) {
                editor.requestQuit();
            }
        }

        function startEditor(zip) {
            const INDETERMINATE_STATUS_STEP_MS = 100;
            const persistentPaths = ['/home/web_user'];

            var editorCanvas = document.getElementById('editor-canvas');
            var gameCanvas = document.getElementById('game-canvas');
            var statusProgress = document.getElementById('status-progress');
            var statusProgressInner = document.getElementById('status-progress-inner');
            var statusIndeterminate = document.getElementById('status-indeterminate');
            var statusNotice = document.getElementById('status-notice');
            var headerDiv = document.getElementById('tabs-buttons');

            var initializing = true;
            var statusMode = 'hidden';

            showTab('status');

            var animationCallbacks = [];

            function animate(time) {
                animationCallbacks.forEach(callback => callback(time));
                requestAnimationFrame(animate);
            }
            requestAnimationFrame(animate);

            var lastScale = 0;
            var lastWidth = 0;
            var lastHeight = 0;

            function adjustCanvasDimensions() {
                var scale = window.devicePixelRatio || 1;
                var headerHeight = headerDiv.offsetHeight + 1;
                var width = window.innerWidth;
                var height = window.innerHeight - headerHeight;
                if (lastScale !== scale || lastWidth !== width || lastHeight !== height) {
                    editorCanvas.width = width * scale;
                    editorCanvas.height = height * scale;
                    editorCanvas.style.width = width + "px";
                    editorCanvas.style.height = height + "px";
                    lastScale = scale;
                    lastWidth = width;
                    lastHeight = height;
                }
            }
            animationCallbacks.push(adjustCanvasDimensions);
            adjustCanvasDimensions();

            function replaceCanvas(from) {
                const out = document.createElement("canvas");
                out.id = from.id;
                out.tabIndex = from.tabIndex;
                from.parentNode.replaceChild(out, from);
                lastScale = 0;
                return out;
            }

            setStatusMode = function setStatusMode(mode) {
                if (statusMode === mode || !initializing)
                    return;
                [statusProgress, statusIndeterminate, statusNotice].forEach(elem => {
                    elem.style.display = 'none';
                });
                animationCallbacks = animationCallbacks.filter(function(value) {
                    return (value != animateStatusIndeterminate);
                });
                switch (mode) {
                    case 'progress':
                        statusProgress.style.display = 'block';
                        break;
                    case 'indeterminate':
                        statusIndeterminate.style.display = 'block';
                        animationCallbacks.push(animateStatusIndeterminate);
                        break;
                    case 'notice':
                        statusNotice.style.display = 'block';
                        break;
                    case 'hidden':
                        break;
                    default:
                        throw new Error('Invalid status mode');
                }
                statusMode = mode;
            };

            function animateStatusIndeterminate(ms) {
                var i = Math.floor(ms / INDETERMINATE_STATUS_STEP_MS % 8);
                if (statusIndeterminate.children[i].style.borderTopColor == '') {
                    Array.prototype.slice.call(statusIndeterminate.children).forEach(child => {
                        child.style.borderTopColor = '';
                    });
                    statusIndeterminate.children[i].style.borderTopColor = '#dfdfdf';
                }
            }

            setStatusNotice = function setStatusNotice(text) {
                while (statusNotice.lastChild) {
                    statusNotice.removeChild(statusNotice.lastChild);
                }
                var lines = text.split('\n');
                lines.forEach((line) => {
                    statusNotice.appendChild(document.createTextNode(line));
                    statusNotice.appendChild(document.createElement('br'));
                });
            };

            const gameConfig = {
                'persistentPaths': persistentPaths,
                'unloadAfterInit': false,
                'canvas': gameCanvas,
                'canvasResizePolicy': 1,
                'onExit': function() {
                    gameCanvas = replaceCanvas(gameCanvas);
                    setGameTabEnabled(false);
                    showTab('editor');
                    game = null;
                },
            };

            var OnEditorExit = function() {
                showTab('loader');
                setLoaderEnabled(true);
            };

            function Execute(args) {
                const is_editor = args.filter(function(v) {
                    return v == '--editor' || v == '-e'
                }).length != 0;
                const is_project_manager = args.filter(function(v) {
                    return v == '--project-manager'
                }).length != 0;
                const is_game = !is_editor && !is_project_manager;
                if (video_driver) {
                    args.push('--video-driver', video_driver);
                }
                if (is_game) {
                    if (game) {
                        console.error("A game is already running. Close it first");
                        return;
                    }
                    setGameTabEnabled(true);
                    game = new Engine(gameConfig);
                    showTab('game');
                    game.init().then(function() {
                        requestAnimationFrame(function() {
                            game.start({
                                'args': args,
                                'canvas': gameCanvas
                            }).then(function() {
                                gameCanvas.focus();
                            });
                        });
                    });
                } else { // New editor instances will be run in the same canvas. We want to wait for it to exit.
                    OnEditorExit = function(code) {
                        setLoaderEnabled(true);
                        setTimeout(function() {
                            editor.init().then(function() {
                                setLoaderEnabled(false);
                                OnEditorExit = function() {
                                    showTab('loader');
                                    setLoaderEnabled(true);
                                };
                                editor.start({
                                    'args': args,
                                    'persistentDrops': is_project_manager,
                                    'canvas': editorCanvas
                                });
                            });
                        }, 0);
                        OnEditorExit = null;
                    };
                }
            }

            const editorConfig = {
                'unloadAfterInit': false,
                'onProgress': function progressFunction(current, total) {
                    if (total > 0) {
                        statusProgressInner.style.width = current / total * 100 + '%';
                        setStatusMode('progress');
                        if (current === total) {
                            // wait for progress bar animation
                            setTimeout(() => {
                                setStatusMode('indeterminate');
                            }, 100);
                        }
                    } else {
                        setStatusMode('indeterminate');
                    }
                },
                'canvas': editorCanvas,
                'canvasResizePolicy': 0,
                'onExit': function() {
                    editorCanvas = replaceCanvas(editorCanvas);
                    if (OnEditorExit) {
                        OnEditorExit();
                    }
                },
                'onExecute': Execute,
                'persistentPaths': persistentPaths,
            };
            editor = new Engine(editorConfig);

            function displayFailureNotice(err) {
                var msg = err.message || err;
                console.error(msg);
                setStatusNotice(msg);
                setStatusMode('notice');
                initializing = false;
            };

            if (!Engine.isWebGLAvailable()) {
                displayFailureNotice('WebGL not available');
            } else {
                setStatusMode('indeterminate');
                editor.init('pandemonium.tools').then(function() {
                    if (zip) {
                        editor.copyToFS("/tmp/preload.zip", zip);
                    }
                    try {
                        // Avoid user creating project in the persistent root folder.
                        editor.copyToFS("/home/web_user/keep", new Uint8Array());
                    } catch (e) {
                        // File exists
                    }
                    selectVideoMode();
                    showTab('editor');
                    setLoaderEnabled(false);
                    const args = ['--project-manager'];
                    if (video_driver) {
                        args.push('--video-driver', video_driver);
                    }
                    editor.start({
                        'args': args,
                        'persistentDrops': true
                    }).then(function() {
                        setStatusMode('hidden');
                        initializing = false;
                    });
                }).catch(displayFailureNotice);
            }
        };
        document.getElementById("startButton").onclick = function() {
            preloadZip(document.getElementById('zip-file')).then(function(zip) {
                startEditor(zip);
            });
        }

        function preloadZip(target) {
            return new Promise(function(resolve, reject) {
                if (target.files.length > 0) {
                    target.files[0].arrayBuffer().then(function(data) {
                        resolve(data);
                    });
                } else {
                    resolve();
                }
            });
        }
        //]]>
    </script>
</body>

</html>