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path: root/platform/javascript/godot_shell.html
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="" xml:lang="">
<head>
	<meta charset="utf-8" />
	<title>$GODOT_HEAD_TITLE</title>
$GODOT_HEAD_INCLUDE
	<style type="text/css">
		body {
			margin: 0;
			border: 0 none;
			padding: 0;
			text-align: center;
			background-color: #222226;
			font-family: $GODOT_STYLE_FONT_FAMILY;
		}


		/* Godot Engine default theme style
		 * ================================ */

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

		button.godot {
			font-family: $GODOT_STYLE_FONT_FAMILY; /* override user agent style */
			padding: 1px 5px;
			background-color: #37353f;
			background-image: linear-gradient(to bottom, #413e49, #3a3842);
			border: 1px solid #514f5d;
			border-radius: 1px;
			box-shadow: 0 0 1px 1px #2a2930;
		}

		button.godot:hover {
			color: #f0f0f0;
			background-color: #44414e;
			background-image: linear-gradient(to bottom, #494652, #423f4c);
			border: 1px solid #5a5667;
			box-shadow: 0 0 1px 1px #26252b;
		}

		button.godot:active {
			color: #fff;
			background-color: #3e3b46;
			background-image: linear-gradient(to bottom, #36343d, #413e49);
			border: 1px solid #4f4c59;
			box-shadow: 0 0 1px 1px #26252b;
		}

		button.godot:disabled {
			color: rgba(230, 230, 230, 0.2);
			background-color: #3d3d3d;
			background-image: linear-gradient(to bottom, #434343, #393939);
			border: 1px solid #474747;
			box-shadow: 0 0 1px 1px #2d2b33;
		}


		/* Canvas / wrapper
		 * ================ */

		#container {
			display: inline-block; /* scale with canvas */
			vertical-align: top; /* prevent extra height */
			position: relative; /* root for absolutely positioned overlay */
			margin: 0;
			border: 0 none;
			padding: 0;
			background-color: #0c0c0c;
		}

		#canvas {
			display: block;
			margin: 0 auto;
			/* canvas must have border and padding set to zero to
			 * calculate cursor coordinates correctly */
			border: 0 none;
			padding: 0;
			color: white;
		}


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

		#status-container {
			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 {
			line-height: 1.3;
			cursor: pointer;
			visibility: visible;
			padding: 4px 6px;
		}


		/* On-hover controls
		 * ================= */

		#controls {
			visibility: hidden;
			opacity: 0.0;
			transition: opacity 500ms ease-in-out 200ms;
			position: absolute;
			right: 16px;
			top: 16px;
			padding: 3px 5px;
			font-size: small;
			-moz-user-select: none;
			-webkit-user-select: none;
			-ms-user-select: none;
		}

		:hover > #controls {
			opacity: 1.0;
			transition: opacity 60ms ease-in-out;
		}

		#controls > button,
		#controls > label {
			vertical-align: middle;
			margin-left: 2px;
			margin-right: 2px;
		}

		#controls > label > input {
			vertical-align: middle;
		}

		#controls > label > input[type="checkbox"] {
			/* override user agent style */
			margin-left: 0;
		}

		#output-toggle { display: none; }


		/* Debug output
		 * ============ */

		#output-panel {
			display: none;
			max-width: $GODOT_CANVAS_WIDTHpx;
			font-size: small;
			margin: 6px auto 0;
			padding: 0 4px 4px;
			text-align: left;
			line-height: 2.2;
		}

		#output-header {
			display: flex;
			justify-content: space-between;
			align-items: center;
		}

		#output-container {
			padding: 6px;
			background-color: #2c2a32;
			box-shadow: inset 0 0 1px 1px #232127;
			color: #bbb;
		}

		#output-scroll {
			line-height: 1;
			height: 12em;
			overflow-y: scroll;
			white-space: pre-wrap;
			font-size: small;
			font-family: "Lucida Console", Monaco, monospace;
		}


/* Export style include
 * ==================== */

$GODOT_STYLE_INCLUDE

	</style>
</head>
<body>
	<div id="container">
		<canvas id="canvas" width="$GODOT_CANVAS_WIDTH" height="$GODOT_CANVAS_HEIGHT" onclick="canvas.ownerDocument.defaultView.focus();" oncontextmenu="event.preventDefault();">
			HTML5 canvas appears to be unsupported in the current browser.<br />
			Please try updating or use a different browser.
		</canvas>
		<div id="status-container">
			<span id="status" class="godot" onclick="this.style.visibility='hidden';">Downloading page...</span>
		</div>
		<div id="controls" class="godot">
			<label id="output-toggle"><input type="checkbox" checked="checked" autocomplete="off" onchange="Presentation.setOutputVisible(this.checked);" />Display Output</label>
			<!-- hidden until implemented
			<label><input class="postRun-enable" type="checkbox" disabled="disabled" autocomplete="off" />lock cursor</label>
			<label><input class="postRun-enable" type="checkbox" disabled="disabled" autocomplete="off"  onchange="Presentation.setCanvasMaximized(this.checked);" />maximize</label>
			-->
			<button id="fullscreen" class="godot postRun-enable" type="button" disabled="disabled" autocomplete="off" onclick="Presentation.requestFullscreen();">Fullscreen</button>
		</div>
	</div>
	<div id="output-panel" class="godot">
		<div id="output-header">
			Output:
			<button class="godot" type="button" autocomplete="off" onclick="Presentation.clearOutput();">Clear</button>
		</div>
		<div id="output-container"><div id="output-scroll"></div></div>
	</div>

	<!-- Scripts -->
	<script type="text/javascript">//<![CDATA[
		var Presentation = (function() {
			var statusElement = document.getElementById("status");
			var canvasElement = document.getElementById("canvas");

			var presentation = {
				postRun: [
					function() {
						var elements = document.getElementsByClassName("postRun-enable");
						Array.prototype.slice.call(elements).forEach(function(element) {
							element.disabled = false;
						});
					}
				],
				requestFullscreen: function requestFullscreen() {
					if (typeof Module !== "undefined" && Module.requestFullscreen) {
						Module.requestFullscreen(false, false);
					}
				},
				/*
				requestPointerlock: function requestPointerlock() {
					if (typeof Module !== "undefined" && Module.requestPointerlock) {
						Module.requestPointerlock(false, false);
					}
				},
				setCanvasMaximized: function setCanvasMaximized(enabled) {
					if (typeof Module !== "undefined" && Module.setCanvasMaximized) {
						Module.setCanvasMaximized(enabled);
					}
				},
				*/
				setStatusVisible: function setStatusVisible(visible) {
					statusElement.style.visibility = (visible?"visible":"hidden");
				},
				setStatus: function setStatus(text) {
					if (text.length === 0) {
						// emscripten sets empty string as status after "Running..."
						// per timeout, but another status may have been set by then
						if (Presentation.setStatus.lastText === "Running...")
							Presentation.setStatusVisible(false);
						return;
					}
					Presentation.setStatus.lastText = text;
					while (statusElement.lastChild) {
						statusElement.removeChild(statusElement.lastChild);
					}
					var lines = text.split("\n");
					lines.forEach(function(line, index) {
						statusElement.appendChild(document.createTextNode(line));
						statusElement.appendChild(document.createElement("br"));
					});
					var closeNote = document.createElement("span");
					closeNote.style.fontSize = "small";
					closeNote.textContent = "click to close";
					statusElement.appendChild(closeNote);
					Presentation.setStatusVisible(true);
				},
				isWebGL2Available: function isWebGL2Available() {
					var context;
					try {
						context = canvasElement.getContext("webgl2") || canvasElement.getContext("experimental-webgl2");
					} catch (e) {}
					return !!context;
				},
			};

			window.onerror = function(event) { presentation.setStatus("Failure during start-up\nSee JavaScript console") };

			if ($GODOT_CONTROLS_ENABLED) { // controls enabled
				document.getElementById("controls").style.visibility="visible";
			}

			if ($GODOT_DEBUG_ENABLED) { // debugging enabled
				var outputRoot = document.getElementById("output-panel");
				var outputElement = document.getElementById("output-scroll");
				var outputToggle = document.getElementById("output-toggle");
				const maxOutputMessages = 400;

				presentation.setOutputVisible = function setOutputVisible(visible) {
					outputRoot.style.display = (visible?"block":"none");
				};
				presentation.clearOutput = function clearOutput() {
					while (outputElement.firstChild) {
						outputElement.firstChild.remove();
					}
				};

				presentation.setOutputVisible(true);
				outputToggle.style.display = "inline";

				presentation.print = function print(text) {
					if (arguments.length > 1) {
						text = Array.prototype.slice.call(arguments).join(" ");
					}
					if (text.length <= 0) return;
					while (outputElement.childElementCount >= maxOutputMessages) {
						outputElement.firstChild.remove();
					}
					var msg = document.createElement("div");
					if (String.prototype.trim.call(text).startsWith("**ERROR**")
						|| String.prototype.trim.call(text).startsWith("**EXCEPTION**")) {
						msg.style.color = "#d44";
					} else if (String.prototype.trim.call(text).startsWith("**WARNING**")) {
						msg.style.color = "#ccc000";
					} else if (String.prototype.trim.call(text).startsWith("**SCRIPT ERROR**")) {
						msg.style.color = "#c6d";
					}
					msg.textContent = text;
					var scrollToBottom = outputElement.scrollHeight - (outputElement.clientHeight + outputElement.scrollTop) < 10;
					outputElement.appendChild(msg);
					if (scrollToBottom) {
						outputElement.scrollTop = outputElement.scrollHeight;
					}
				};

				presentation.postRun.push(function() {
					window.onerror = function(event) { presentation.print("**EXCEPTION**:", event) };
				});

			} else {
				presentation.postRun.push(function() { window.onerror = null; });
			}

			return presentation;
		})();

		// Emscripten interface
		var Module = {
			TOTAL_MEMORY: $GODOT_TMEM,
			postRun: (function() {
				if (typeof Presentation !== "undefined" && Presentation.postRun instanceof Array) {
					return Presentation.postRun;
				}
			})(),
			print: function print(text) {
				if (arguments.length > 1) {
					text = Array.prototype.slice.call(arguments).join(" ");
				}
				console.log(text);
				if (typeof Presentation !== "undefined" && typeof Presentation.print === "function") {
					Presentation.print(text);
				}
			},
			printErr: function printErr(text) {
				if (arguments.length > 1) {
					text = Array.prototype.slice.call(arguments).join(" ");
				}
				console.error(text);
				if (typeof Presentation !== "undefined" && typeof Presentation.print === "function") {
					Presentation.print("**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. Plase reload the page."); e.preventDefault(); }, false);
				return canvas;

			})(),
			setStatus: function setStatus(text) {
				var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
				var now = Date.now();
				if (m) {
					if (now - Date.now() < 30) // if this is a progress update, skip it if too soon
						return;
					text = m[1];
				}
				if (typeof Presentation !== "undefined" && typeof Presentation.setStatus == "function") {
					Presentation.setStatus(text);
				}
			}
		};

		if (!Presentation.isWebGL2Available()) {
			Presentation.setStatus("WebGL2 appears to be unsupported in the current browser.\nPlease try updating or use a different browser.");
			Presentation.preventLoading = true;
		} else {
			Presentation.setStatus("Downloading...");
		}

		if (Presentation.preventLoading) {
			// prevent *fs.js and Emscripten's SCRIPT placeholder from loading any files
			Presentation._XHR_send = XMLHttpRequest.prototype.send;
			XMLHttpRequest.prototype.send = function() {};
			Presentation._Node_appendChild = Node.prototype.appendChild;
			Node.prototype.appendChild = function(node) {
				if (!(node instanceof HTMLScriptElement)) {
					return Presentation._Node_appendChild.call(this, node);
				}
			}
		}
	//]]></script>
	<script type="text/javascript" src="$GODOT_BASEfs.js"></script>
{{{ SCRIPT }}}
	<script type="text/javascript">
		if (Presentation.preventLoading) {
			XMLHttpRequest.prototype.send = Presentation._XHR_send;
			Node.prototype.appendChild = Presentation._Node_appendChild;
		}
	</script>
</body>
</html>