rspace-online/lib/folk-splat.ts

439 lines
10 KiB
TypeScript

import { FolkShape } from "./folk-shape";
import { css, html } from "./tags";
const styles = css`
:host {
background: #0f172a;
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
min-width: 360px;
min-height: 400px;
}
.header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 8px 12px;
background: linear-gradient(135deg, #7c3aed, #2563eb);
color: white;
border-radius: 8px 8px 0 0;
font-size: 12px;
font-weight: 600;
cursor: move;
}
.header-title {
display: flex;
align-items: center;
gap: 6px;
}
.header-actions {
display: flex;
gap: 4px;
}
.header-actions button {
background: transparent;
border: none;
color: white;
cursor: pointer;
padding: 2px 6px;
border-radius: 4px;
font-size: 14px;
}
.header-actions button:hover {
background: rgba(255, 255, 255, 0.2);
}
.content {
display: flex;
flex-direction: column;
height: calc(100% - 36px);
overflow: hidden;
}
.controls {
padding: 10px 12px;
border-bottom: 1px solid #1e293b;
display: flex;
gap: 8px;
align-items: center;
}
.splat-url-input {
flex: 1;
padding: 8px 10px;
border: 2px solid #334155;
border-radius: 6px;
background: #1e293b;
color: #e2e8f0;
font-size: 12px;
outline: none;
}
.splat-url-input:focus {
border-color: #7c3aed;
}
.load-btn {
padding: 8px 14px;
background: linear-gradient(135deg, #7c3aed, #2563eb);
color: white;
border: none;
border-radius: 6px;
font-size: 12px;
font-weight: 600;
cursor: pointer;
}
.load-btn:hover {
opacity: 0.9;
}
.viewer-area {
flex: 1;
position: relative;
background: #0a0a0a;
overflow: hidden;
}
.viewer-area canvas {
width: 100%;
height: 100%;
display: block;
}
.placeholder {
flex: 1;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
color: #64748b;
text-align: center;
gap: 8px;
}
.placeholder-icon {
font-size: 48px;
opacity: 0.5;
}
.gallery-list {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 8px;
padding: 10px;
overflow-y: auto;
max-height: 200px;
}
.gallery-item {
padding: 8px;
background: #1e293b;
border-radius: 6px;
cursor: pointer;
color: #cbd5e1;
font-size: 11px;
text-align: center;
border: 2px solid transparent;
transition: border-color 0.2s;
}
.gallery-item:hover {
border-color: #7c3aed;
}
.gallery-item .title {
font-weight: 600;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.gallery-item .meta {
font-size: 10px;
color: #64748b;
margin-top: 2px;
}
.loading {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 24px;
gap: 12px;
color: #94a3b8;
}
.spinner {
width: 32px;
height: 32px;
border: 3px solid #334155;
border-top-color: #7c3aed;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
to { transform: rotate(360deg); }
}
.error {
color: #ef4444;
padding: 12px;
background: #1c1017;
border-radius: 6px;
font-size: 13px;
margin: 10px;
}
.upload-btn {
padding: 8px 14px;
background: #334155;
color: #e2e8f0;
border: none;
border-radius: 6px;
font-size: 12px;
cursor: pointer;
}
.upload-btn:hover {
background: #475569;
}
`;
declare global {
interface HTMLElementTagNameMap {
"folk-splat": FolkSplat;
}
}
export class FolkSplat extends FolkShape {
static override tagName = "folk-splat";
static {
const sheet = new CSSStyleSheet();
const parentRules = Array.from(FolkShape.styles.cssRules)
.map((r) => r.cssText)
.join("\n");
const childRules = Array.from(styles.cssRules)
.map((r) => r.cssText)
.join("\n");
sheet.replaceSync(`${parentRules}\n${childRules}`);
this.styles = sheet;
}
#splatUrl = "";
#isLoading = false;
#error: string | null = null;
#viewer: any = null;
#viewerCanvas: HTMLCanvasElement | null = null;
#gallerySplats: any[] = [];
#urlInput: HTMLInputElement | null = null;
get splatUrl() {
return this.#splatUrl;
}
set splatUrl(v: string) {
this.#splatUrl = v;
}
override createRenderRoot() {
const root = super.createRenderRoot();
const wrapper = document.createElement("div");
wrapper.innerHTML = html`
<div class="header">
<span class="header-title">
<span>\u{1F52E}</span>
<span>3D Splat</span>
</span>
<div class="header-actions">
<button class="gallery-btn" title="Browse gallery">\u{1F4C2}</button>
<button class="close-btn" title="Close">\u00D7</button>
</div>
</div>
<div class="content">
<div class="controls">
<input class="splat-url-input" type="text" placeholder="Paste .splat URL or pick from gallery..." />
<button class="load-btn">Load</button>
</div>
<div class="gallery-list" style="display:none"></div>
<div class="viewer-area">
<div class="placeholder">
<span class="placeholder-icon">\u{1F52E}</span>
<span>Enter a splat URL or browse the gallery</span>
</div>
</div>
</div>
`;
const slot = root.querySelector("slot");
const containerDiv = slot?.parentElement as HTMLElement;
if (containerDiv) {
containerDiv.replaceWith(wrapper);
}
this.#urlInput = wrapper.querySelector(".splat-url-input");
const loadBtn = wrapper.querySelector(".load-btn") as HTMLButtonElement;
const closeBtn = wrapper.querySelector(".close-btn") as HTMLButtonElement;
const galleryBtn = wrapper.querySelector(".gallery-btn") as HTMLButtonElement;
const galleryList = wrapper.querySelector(".gallery-list") as HTMLElement;
const viewerArea = wrapper.querySelector(".viewer-area") as HTMLElement;
loadBtn.addEventListener("click", (e) => {
e.stopPropagation();
const url = this.#urlInput?.value.trim();
if (url) this.#loadSplat(url, viewerArea);
});
this.#urlInput?.addEventListener("keydown", (e) => {
if (e.key === "Enter") {
e.preventDefault();
const url = this.#urlInput?.value.trim();
if (url) this.#loadSplat(url, viewerArea);
}
});
this.#urlInput?.addEventListener("pointerdown", (e) => e.stopPropagation());
galleryBtn.addEventListener("click", (e) => {
e.stopPropagation();
const isVisible = galleryList.style.display !== "none";
galleryList.style.display = isVisible ? "none" : "grid";
if (!isVisible && this.#gallerySplats.length === 0) {
this.#loadGallery(galleryList, viewerArea);
}
});
closeBtn.addEventListener("click", (e) => {
e.stopPropagation();
this.dispatchEvent(new CustomEvent("close"));
});
// If splatUrl was set before render
if (this.#splatUrl) {
this.#loadSplat(this.#splatUrl, viewerArea);
}
return root;
}
async #loadGallery(container: HTMLElement, viewerArea: HTMLElement) {
container.innerHTML = '<div class="loading"><div class="spinner"></div><span>Loading gallery...</span></div>';
try {
const spaceSlug = this.#getSpaceSlug();
const res = await fetch(`/${spaceSlug}/rsplat/api/splats?limit=20`);
if (!res.ok) throw new Error("Failed to load splats");
const data = await res.json();
this.#gallerySplats = data.splats || [];
if (this.#gallerySplats.length === 0) {
container.innerHTML = '<div class="placeholder" style="padding:16px"><span>No splats in this space yet</span></div>';
return;
}
container.innerHTML = this.#gallerySplats.map((s) => `
<div class="gallery-item" data-slug="${s.slug}">
<div class="title">${this.#escapeHtml(s.title)}</div>
<div class="meta">${s.file_format} \u2022 ${(s.file_size_bytes / 1024 / 1024).toFixed(1)}MB</div>
</div>
`).join("");
container.querySelectorAll(".gallery-item").forEach((item) => {
item.addEventListener("click", (e) => {
e.stopPropagation();
const slug = (item as HTMLElement).dataset.slug;
const splat = this.#gallerySplats.find((s) => s.slug === slug);
if (splat) {
const spaceSlug = this.#getSpaceSlug();
const url = `/${spaceSlug}/rsplat/api/splats/${splat.slug}/${splat.slug}.${splat.file_format}`;
if (this.#urlInput) this.#urlInput.value = url;
container.style.display = "none";
this.#loadSplat(url, viewerArea);
}
});
});
} catch (err) {
container.innerHTML = `<div class="error">Failed to load gallery</div>`;
}
}
async #loadSplat(url: string, viewerArea: HTMLElement) {
this.#splatUrl = url;
this.#isLoading = true;
this.#error = null;
viewerArea.innerHTML = '<div class="loading"><div class="spinner"></div><span>Loading 3D splat...</span></div>';
try {
// Use Three.js + GaussianSplats3D via CDN importmap (not bundled)
const threeId = "three";
const gs3dId = "@mkkellogg/gaussian-splats-3d";
const THREE = await (Function("id", "return import(id)")(threeId) as Promise<any>);
const GS3D = await (Function("id", "return import(id)")(gs3dId) as Promise<any>);
viewerArea.innerHTML = "";
const canvas = document.createElement("canvas");
canvas.style.width = "100%";
canvas.style.height = "100%";
viewerArea.appendChild(canvas);
const renderer = new THREE.WebGLRenderer({ canvas, antialias: true });
renderer.setSize(viewerArea.clientWidth, viewerArea.clientHeight);
const viewer = new GS3D.Viewer({
renderer,
cameraUp: [0, -1, 0],
initialCameraPosition: [0, 0, 5],
initialCameraLookAt: [0, 0, 0],
});
await viewer.addSplatScene(url);
this.#viewer = viewer;
this.#viewerCanvas = canvas;
// Simple animation loop
const animate = () => {
if (!this.#viewer) return;
(viewer as any).update();
(viewer as any).render();
requestAnimationFrame(animate);
};
animate();
} catch (err) {
// Fallback: show as iframe pointing to splat viewer page
console.warn("[folk-splat] Three.js not available, using iframe fallback");
const spaceSlug = this.#getSpaceSlug();
const slug = url.split("/").filter(Boolean).pop()?.split(".")[0] || "";
viewerArea.innerHTML = `<iframe src="/${spaceSlug}/rsplat/view/${slug}" style="width:100%;height:100%;border:none;border-radius:0 0 8px 8px"></iframe>`;
} finally {
this.#isLoading = false;
}
}
#getSpaceSlug(): string {
const pathParts = window.location.pathname.split("/").filter(Boolean);
return pathParts[0] || "demo";
}
#escapeHtml(text: string): string {
const div = document.createElement("div");
div.textContent = text;
return div.innerHTML;
}
override toJSON() {
return {
...super.toJSON(),
type: "folk-splat",
splatUrl: this.#splatUrl,
};
}
}