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