rust-gs/index.html.bak at main · shahanneda/rust-gs · GitHub

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<html>

<head>
	<meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
</head>

<style>
	* {
		margin: 0;
		padding: 0;
	}

	/* to remove the top and left whitespace */

	html,
	body {
		width: 100%;
		height: 100%;
		background-color: white;
	}

	/* just to be sure these are full screen*/

	canvas {
		display: block;
		height: 100vh;
		width: 100vw;
	}

	#gui {
		position: absolute;
		top: 0;
		left: 0;
		background-color: rgba(0, 0, 0, 0.5);
		/* border: 1px solid black; */
		/* border-radius: 1px; */
		/* padding: 100px; */
		display: flex;
		text-align: center;
		flex-direction: column;
		justify-content: start;
		align-items: center;
		font-family: sans-serif;
		color: white;
		min-width: 250px;
		min-height: 500px;
	}

	/* button {
		background-color: white;
		color: black;
		border: 1px solid black;
		border-radius: 5px;
		padding: 5px;
		font-size: 16px;
	} */

	button:hover {
		background-color: lightgray;
		color: white;
	}

	button:active {
		background-color: black;
		color: white;
	}

	.checkbox-container {
		display: flex;
		flex-direction: row;
		align-items: center;
	}

	.checkbox-label {
		margin-right: 10px;
	}

	.checkbox {
		margin-right: 10px;
	}

	/* To remove the scrollbars */
</style>


<body>
	<script src="webgl-debug.js"></script>
	<script>
		Error.stackTraceLimit = Infinity;

		function test() {
			console.log("this is a test function!")
		}
	</script>
	<canvas id="canvas"></canvas>
	<div id="gui">
		<h1>GSplat Viewer</h1>
		<!-- <button onclick="">Testing</button> -->
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">Show Octtree</label>
			<input type="checkbox" class="checkbox" id="show-octtree-checkbox">
		</div>
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">Only Show Octree at Click </label>
			<input type="checkbox" class="checkbox" id="only-show-clicks-checkbox">
		</div>
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">Use OctTree for Editing </label>
			<input type="checkbox" class="checkbox" id="use-octtree-for-editing-checkbox" checked>
		</div>
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">View Individual Splats </label>
			<input type="checkbox" class="checkbox" id="view-individual-splats-checkbox">
		</div>
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">Do Sorting </label>
			<input type="checkbox" class="checkbox" id="do-sorting-checkbox" checked>
		</div>
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">Do Blending </label>
			<input type="checkbox" class="checkbox" id="do-blending-checkbox" checked>
		</div>
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">Move Down </label>
			<input type="checkbox" class="checkbox" id="move-down-checkbox">
		</div>
		<div class="checkbox-container">
			<label for="checkbox" class="checkbox-label">Detect Collisions With Gizmo</label>
			<input type="checkbox" class="checkbox" id="restrict-gizmo-movement-checkbox">
		</div>
		<div style="margin: 10px 0px;">
			<button id="calculate-shadows-btn">Calculate Shadows</button>
		</div>
		<div style="margin: 10px 0px;">
			<button id="recalculate-octtree-btn">Recalculate Octtree</button>

		</div>
		<div style="margin: 10px 0px;">
			<button id="add-shahan-btn">Add Shahan</button>
		</div>
		<div style="margin: 10px 0px;">
			<button id="add-teapot-btn">Add Teapot</button>
		</div>
		<div style="margin: 10px 0px;">
			<button id="split-object-btn">Split Object</button>
		</div>
		<div style="margin: 10px 0px;">
			<span id="collision-detected-span" style="color: rgb(255, 50, 50);"></span>
		</div>
		<div style="margin: 10px 0px;">
			<label for="model-switcher" style="color: white;">Switch Model:</label>
			<select id="model-switcher" onchange="switchModel(this.value)"></select>
		</div>
	</div>
	</div>
	<script>
		function getWebGLContext() {
			ctx = WebGLDebugUtils.makeDebugContext(canvas.getContext("webgl2"));
			return ctx;
		}
		function setCollisionDetected() {
			document.getElementById("collision-detected-span").innerText = "Collision Detected";
			setTimeout(() => {
				document.getElementById("collision-detected-span").innerText = "";
			}, 1000);
		}
		function switchModel(url) {
			window.location.href = `./?url=${url}`;
		}

		const MODEL_LIST = [
			{ display: "House", file: "./soc_01_polycam.rkyv" },
			{ display: "E7 Outdoor", file: "./E7_01_id01-30000.rkyv" },
			{ display: "E7 Indoor", file: "./Shahan_03_id01-30000.rkyv" },
			{ display: "Grass", file: "./socratica_01_edited.rkyv" },
			{ display: "Sci", file: "./sci_01_edited.rkyv" },
			{ display: "Shahan", file: "./Shahan_03_id01-30000.cleaned.rkyv" },
			// splats/Week-09-Sat-Nov-16-2024.rkyv
			// splats/Week-10-Frid-Nov-22-2024-edited.rkyv
			{ display: "Week 9 Sat Nov 16", file: "./Week-09-Sat-Nov-16-2024-edited.rkyv" },
			{ display: "Week 10 Fri Nov 22", file: "./Week-10-Frid-Nov-22-2024-edited.rkyv" },
		];

		// Function to populate the dropdown
		function populateModelSelector() {
			const modelSelect = document.getElementById('model-switcher');
			MODEL_LIST.forEach(model => {
				const option = document.createElement('option');
				option.value = model.file;
				option.textContent = model.display;
				modelSelect.appendChild(option);
			});
		}

		// Modified window.onload to include populating the dropdown
		window.addEventListener('load', function () {
			populateModelSelector();

			const urlParams = new URLSearchParams(window.location.search);
			const currentUrl = urlParams.get('url');
			const modelSelect = document.getElementById('model-switcher');

			if (currentUrl) {
				modelSelect.value = currentUrl;
			} else {
				modelSelect.value = "./Shahan_03_id01-30000.cleaned.rkyv"; // Default value
			}
		});
	</script>
	<script type="module">

		const look_speed = 0.05;
		const move_speed = 1;

		function resizeCanvasToDisplaySize(canvas) {
			// https://webgl2fundamentals.org/webgl/lessons/webgl-resizing-the-canvas.html
			// Lookup the size the browser is displaying the canvas in CSS pixels.
			const displayWidth = canvas.clientWidth;
			const displayHeight = canvas.clientHeight;

			// Check if the canvas is not the same size.
			const needResize = canvas.width !== displayWidth ||
				canvas.height !== displayHeight;

			if (needResize) {
				// Make the canvas the same size
				canvas.width = displayWidth;
				canvas.height = displayHeight;
			}

			return needResize;
		}
		let canvas = document.getElementById("canvas");
		resizeCanvasToDisplaySize(canvas);

		// Add initialization button to the UI
		const initButton = document.createElement('button');
		initButton.textContent = 'Initialize WebAssembly';
		initButton.style.position = 'absolute';
		initButton.style.top = '10px';
		initButton.style.right = '10px';
		initButton.style.zIndex = '1000';
		document.body.appendChild(initButton);

		// Add a status message element
		const statusMessage = document.createElement('div');
		statusMessage.style.position = 'absolute';
		statusMessage.style.top = '50px';
		statusMessage.style.right = '10px';
		statusMessage.style.backgroundColor = 'rgba(0, 0, 0, 0.7)';
		statusMessage.style.color = 'white';
		statusMessage.style.padding = '10px';
		statusMessage.style.borderRadius = '5px';
		statusMessage.style.zIndex = '1000';
		statusMessage.style.maxWidth = '300px';
		statusMessage.textContent = 'Click the button above to initialize';
		document.body.appendChild(statusMessage);

		// Use ES module import syntax to import functionality from the module
		// that we have compiled.
		//
		// Note that the `default` import is an initialization function which
		// will "boot" the module and make it ready to use. Currently browsers
		// don't support natively imported WebAssembly as an ES module, but
		// eventually the manual initialization won't be required!
		import init from './pkg/gs_rust.js';

		// Function to update status message
		function updateStatus(message, isError = false) {
			statusMessage.textContent = message;
			statusMessage.style.backgroundColor = isError ? 'rgba(255, 0, 0, 0.7)' : 'rgba(0, 0, 0, 0.7)';
			console.log(message);
		}

		// Worker reference
		let worker = null;

		// Function to initialize WebAssembly
		async function initializeWasm() {
			try {
				updateStatus("Starting WebAssembly initialization...");

				// Disable the button during initialization
				initButton.disabled = true;
				initButton.textContent = 'Initializing...';

				// Initialize the WebAssembly module on the main thread
				// This is needed to load the module initially
				updateStatus("Loading WebAssembly module on main thread...");
				await init();
				updateStatus("WebAssembly module loaded successfully on main thread");

				// Check for multithreading support
				const hasSharedArrayBuffer = typeof SharedArrayBuffer !== 'undefined';
				const hasAtomics = typeof Atomics !== 'undefined';
				const multithreadingSupported = hasSharedArrayBuffer && hasAtomics;

				if (!multithreadingSupported) {
					updateStatus("Note: Multithreading not supported in this browser (SharedArrayBuffer or Atomics missing)", true);
					console.warn("Multithreading not supported: SharedArrayBuffer or Atomics not available");

					// Create a worker for single-threaded mode anyway
					// This avoids Atomics.wait on main thread issues
					createAndInitializeWorker(1);
				} else {
					// Calculate number of threads based on hardware concurrency
					// Limiting to 2 threads for stability during testing
					const numThreads = Math.min(navigator.hardwareConcurrency || 4, 2);
					updateStatus(`Detected ${navigator.hardwareConcurrency} CPU cores, using ${numThreads} threads`);

					// Create and initialize the worker with the thread pool
					createAndInitializeWorker(numThreads);
				}
			} catch (error) {
				console.error("Error during initialization:", error);
				// Display error to user
				initButton.textContent = 'Initialization Failed - Try Again';
				initButton.disabled = false;
				initButton.style.backgroundColor = 'red';

				updateStatus(`Error: ${error.message}`, true);
			}
		}

		// Function to create and initialize the worker
		function createAndInitializeWorker(numThreads) {
			try {
				updateStatus(`Creating worker for thread pool initialization with ${numThreads} threads...`);

				// Create the worker
				worker = new Worker(new URL('./worker.js', import.meta.url), { type: 'module' });

				// Set up message handler for the worker
				worker.onmessage = function (e) {
					const { status, message, success, threads, stack } = e.data;

					switch (status) {
						case 'worker_loaded':
							updateStatus("Worker loaded successfully");
							// Initialize the worker
							worker.postMessage({ type: 'init', numThreads });
							break;

						case 'initializing_wasm':
							updateStatus("Worker: Initializing WebAssembly module...");
							break;

						case 'wasm_initialized':
							updateStatus("Worker: WebAssembly module initialized successfully");
							break;

						case 'initializing_thread_pool':
							updateStatus(`Worker: Initializing thread pool with ${threads} threads...`);
							break;

						case 'thread_pool_initialized':
							updateStatus("Worker: Thread pool initialized successfully!");
							initButton.textContent = 'Initialized Successfully';
							initButton.style.backgroundColor = 'green';

							// Hide the status message after a delay
							setTimeout(() => {
								statusMessage.style.opacity = '0.5';
							}, 3000);

							// Tell the worker to execute any initial commands
							worker.postMessage({ type: 'execute' });
							break;

						case 'ready_for_commands':
							updateStatus("Worker: Ready to execute commands");
							break;

						case 'error':
							console.error("Worker error:", message, stack);
							updateStatus(`Worker error: ${message}`, true);
							initButton.textContent = 'Initialization Failed - Try Again';
							initButton.disabled = false;
							initButton.style.backgroundColor = 'red';
							break;

						default:
							console.log("Worker message:", e.data);
					}
				};

				// Handle worker errors
				worker.onerror = function (error) {
					console.error("Worker error:", error);
					updateStatus(`Worker error: ${error.message}`, true);
					initButton.textContent = 'Initialization Failed - Try Again';
					initButton.disabled = false;
					initButton.style.backgroundColor = 'red';
				};
			} catch (error) {
				console.error("Error creating worker:", error);
				updateStatus(`Error creating worker: ${error.message}`, true);
				initButton.textContent = 'Initialization Failed - Try Again';
				initButton.disabled = false;
				initButton.style.backgroundColor = 'red';
			}
		}

		// Add click event listener to the initialization button
		initButton.addEventListener('click', initializeWasm);

		// Don't automatically initialize - wait for user to click the button
		console.log("WebAssembly initialization deferred. Click the 'Initialize WebAssembly' button to start.");
	</script>
	<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css">
</body>

</html>