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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Grudge Studio 3D Models Browser</title>
<link rel="icon" href="./favicon.svg" type="image/svg+xml">
<link rel="stylesheet" href="./css/tier-system.css">
<link rel="stylesheet" href="./css/pipeline-viewer.css">
</head>
<body>
<script src="https://id.grudge-studio.com/grudge-auth-sdk.js"></script>
<script>document.addEventListener('DOMContentLoaded', function() { if (typeof GrudgeAuth !== 'undefined') GrudgeAuth.renderAuthBar(); });</script>
<div class="container">
<header class="header">
<h1><img src="favicon.svg" alt="" style="height:1em;vertical-align:middle;margin-right:6px;">3D Models Browser</h1>
<p class="subtitle">GLB-only 3D object storage — powered by Three.js + Draco
<span class="r2-status checking" id="r2Status"><span class="r2-dot"></span> Checking R2…</span>
</p>
</header>
<div class="stats-bar" id="statsBar">
<div class="stat-item"><span class="stat-label">Total Models</span><span class="stat-value" id="totalModels">—</span></div>
<div class="stat-item"><span class="stat-label">Categories</span><span class="stat-value" id="totalCategories">—</span></div>
<div class="stat-item"><span class="stat-label">Total Size</span><span class="stat-value" id="totalSize">—</span></div>
<div class="stat-item"><span class="stat-label">Pipeline</span><span class="stat-value">v2.0</span></div>
</div>
<!-- Drop zone -->
<div class="drop-zone" id="dropZone">
<div style="font-size:3rem;margin-bottom:8px;opacity:0.4;">📦</div>
<div style="color:var(--text-dim);font-size:0.9rem;">Drag & drop a GLB/GLTF model to preview in 3D</div>
<div style="color:var(--text-dim);font-size:0.75rem;margin-top:4px;">Only GLB is served to game engines — other formats go through the Grudge pipeline</div>
<input type="file" id="fileInput" accept=".glb,.gltf" style="display:none;">
</div>
<div class="controls">
<input type="text" class="search-box" id="searchBox" placeholder="🔍 Search models by name, category...">
<div class="filter-row" id="categoryFilters"></div>
</div>
<!-- Loading -->
<div class="loading" id="loadingState"><div class="spinner"></div><p>Loading model catalog…</p></div>
<!-- Results -->
<div id="resultsArea" style="display:none;">
<div class="results-header">
<span class="results-title" id="resultsTitle">All Models</span>
<span class="results-count" id="resultsCount"></span>
</div>
<div class="model-grid" id="modelGrid"></div>
<div class="pagination" id="pagination"></div>
</div>
<div class="empty-state" id="emptyState" style="display:none;">
<div style="font-size:4rem;margin-bottom:12px;opacity:0.3;">🔍</div>
<h3>No models found</h3>
<p>Try adjusting your search or filters</p>
</div>
<!-- 3D Viewer Overlay -->
<div class="viewer-overlay" id="viewerOverlay">
<div class="viewer-header">
<span class="viewer-title" id="viewerTitle">Model Viewer</span>
<span class="viewer-info" id="viewerInfo"></span>
<button class="viewer-close" onclick="closeViewer()">✕ Close</button>
</div>
<div class="viewer-canvas-wrap" id="viewerCanvasWrap">
<div class="viewer-loading" id="viewerLoading"><div class="spinner"></div><p>Loading model…</p></div>
</div>
<div class="viewer-controls">
<button class="viewer-btn" onclick="toggleWireframe()">Wireframe</button>
<button class="viewer-btn" onclick="toggleAutoRotate()">Auto Rotate</button>
<select class="anim-select-3d" id="animSelect" onchange="playAnimation(this.value)" style="display:none">
<option value="">— Animations —</option>
</select>
</div>
</div>
</div>
<script src="./js/nav.js"></script>
<script type="importmap">
{
"imports": {
"three": "https://cdn.jsdelivr.net/npm/three@0.170.0/build/three.module.js",
"three/addons/": "https://cdn.jsdelivr.net/npm/three@0.170.0/examples/jsm/"
}
}
</script>
<script type="module" src="./js/model-browser.js"></script>
</body>
</html>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
font-family: 'Segoe UI', system-ui, sans-serif;
color: var(--text-primary);
min-height: 100vh;
background:
radial-gradient(ellipse at 60% 0%, rgba(59,130,246,0.05) 0%, transparent 45%),
radial-gradient(ellipse at 10% 90%, rgba(34,197,94,0.04) 0%, transparent 40%),
var(--bg-dark);
background-attachment: fixed;
}
.container { max-width: 1600px; margin: 0 auto; padding: 20px; }
.header { margin-bottom: 32px; border-bottom: 2px solid var(--border-color); padding-bottom: 20px; }
.header h1 { font-size: 2.5rem; background: linear-gradient(135deg, var(--tier-3), var(--tier-4)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 8px; }
.subtitle { color: var(--text-dim); font-size: 1.1rem; }
.stats-bar { display: flex; gap: 16px; flex-wrap: wrap; margin: 20px 0; }
.stat-item { background: var(--card-bg); padding: 10px 16px; border-radius: 8px; border-left: 3px solid var(--tier-4); }
.stat-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; }
.stat-value { font-size: 1.3rem; font-weight: bold; color: var(--tier-4); }
.controls { background: var(--card-bg); padding: 20px; border-radius: 12px; margin-bottom: 24px; }
.search-box { width: 100%; padding: 12px; background: var(--bg-dark); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 1rem; margin-bottom: 12px; }
.search-box:focus { outline: none; border-color: var(--tier-4); }
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
.filter-btn { padding: 6px 14px; background: var(--bg-dark); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); cursor: pointer; font-size: 0.8rem; transition: all 0.2s; }
.filter-btn:hover { border-color: var(--tier-4); }
.filter-btn.active { background: var(--tier-4); border-color: var(--tier-4); color: #000; font-weight: 600; }
.filter-label { color: var(--text-dim); font-size: 0.8rem; margin-right: 4px; }
.results-header { display: flex; justify-content: space-between; align-items: center; margin: 24px 0 12px; }
.results-title { font-size: 1.3rem; color: var(--tier-4); }
.results-count { color: var(--text-dim); font-size: 0.85rem; }
/* Model card grid */
.model-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.model-card { background: var(--card-bg); border-radius: 12px; padding: 14px; cursor: pointer; transition: transform 0.2s, box-shadow 0.2s; border: 2px solid transparent; }
.model-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.4); border-color: var(--tier-4); }
.model-icon { width: 100%; aspect-ratio: 1; border-radius: 8px; background: linear-gradient(135deg, rgba(20,20,35,0.9), rgba(30,30,50,0.7)); display: flex; align-items: center; justify-content: center; font-size: 3rem; margin-bottom: 8px; position: relative; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); }
.model-icon .cube-svg { width: 55%; height: 55%; opacity: 0.5; transition: opacity 0.3s, transform 0.3s; }
.model-card:hover .cube-svg { opacity: 0.8; transform: scale(1.05) rotate(5deg); }
.model-icon .thumb-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 8px; z-index: 1; }
.model-icon .load-shimmer { position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent); animation: shimmer 2s infinite; pointer-events: none; }
@keyframes shimmer { 0%{left:-100%} 100%{left:100%} }
.model-icon .error-overlay { position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%); font-size: 0.55rem; color: #ef4444; background: rgba(0,0,0,0.7); padding: 2px 6px; border-radius: 3px; z-index: 2; }
.model-icon .format-badge { position: absolute; top: 6px; right: 6px; padding: 2px 8px; border-radius: 4px; font-size: 0.65rem; font-weight: 700; text-transform: uppercase; }
.format-glb { background: #22c55e; color: #000; }
.format-gltf { background: #3b82f6; color: #fff; opacity: 0.55; }
.format-fbx { background: #f97316; color: #000; opacity: 0.55; }
.format-obj { background: #a855f7; color: #fff; opacity: 0.55; }
.format-blend { background: #e97316; color: #000; opacity: 0.55; }
.model-name { font-size: 0.82rem; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.model-meta { font-size: 0.7rem; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* 3D Viewer */
.viewer-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.92); z-index: 1000; }
.viewer-overlay.active { display: flex; flex-direction: column; }
.viewer-header { display: flex; align-items: center; padding: 12px 20px; background: rgba(0,0,0,0.5); border-bottom: 1px solid var(--border-color); gap: 12px; flex-shrink: 0; }
.viewer-title { font-size: 1.1rem; font-weight: 700; color: var(--tier-4); flex: 1; }
.viewer-info { font-size: 0.8rem; color: var(--text-dim); }
.viewer-close { background: none; border: 2px solid var(--border-color); color: var(--text-primary); padding: 6px 14px; border-radius: 8px; cursor: pointer; font-size: 0.85rem; }
.viewer-close:hover { border-color: var(--tier-4); color: var(--tier-4); }
.viewer-canvas-wrap { flex: 1; position: relative; overflow: hidden; }
.viewer-canvas-wrap canvas { width: 100% !important; height: 100% !important; display: block; }
.viewer-controls { display: flex; align-items: center; gap: 12px; padding: 10px 20px; background: rgba(0,0,0,0.5); border-top: 1px solid var(--border-color); flex-shrink: 0; flex-wrap: wrap; }
.viewer-btn { padding: 6px 14px; background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); cursor: pointer; font-size: 0.8rem; transition: all 0.2s; }
.viewer-btn:hover { border-color: var(--tier-4); }
.viewer-btn.active { background: var(--tier-4); color: #000; border-color: var(--tier-4); }
.anim-select-3d { padding: 6px 10px; background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 0.8rem; }
/* Drop zone */
.drop-zone { border: 3px dashed var(--border-color); border-radius: 16px; padding: 40px 20px; text-align: center; margin-bottom: 24px; transition: all 0.3s; cursor: pointer; }
.drop-zone:hover, .drop-zone.drag-over { border-color: var(--tier-4); background: rgba(212,168,75,0.05); }
.drop-zone-icon { font-size: 3rem; margin-bottom: 8px; opacity: 0.4; }
.drop-zone-text { color: var(--text-dim); font-size: 0.9rem; }
.drop-zone-formats { color: var(--text-dim); font-size: 0.75rem; margin-top: 4px; }
/* Loading */
.loading { text-align: center; padding: 60px; color: var(--text-dim); }
.spinner { width: 50px; height: 50px; border: 4px solid var(--border-color); border-top: 4px solid var(--tier-4); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 20px; }
@keyframes spin { 0%{transform:rotate(0deg)} 100%{transform:rotate(360deg)} }
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.viewer-loading { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); text-align: center; color: var(--text-dim); z-index: 10; }
.viewer-loading .spinner { width: 40px; height: 40px; }
/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }
.page-btn { padding: 8px 14px; background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); cursor: pointer; font-size: 0.85rem; }
.page-btn:hover { border-color: var(--tier-4); }
.page-btn.active { background: var(--tier-4); border-color: var(--tier-4); color: #000; }
.page-btn:disabled { opacity: 0.4; cursor: default; }
/* Best practices info */
.bp-banner { background: linear-gradient(135deg, rgba(34,197,94,0.08), rgba(59,130,246,0.08)); border: 1px solid rgba(34,197,94,0.2); border-radius: 12px; padding: 16px 20px; margin-bottom: 20px; display: flex; gap: 12px; align-items: flex-start; }
.bp-banner-icon { font-size: 1.4rem; flex-shrink: 0; }
.bp-banner-text { font-size: 0.82rem; color: var(--text-dim); line-height: 1.5; }
.bp-banner-text strong { color: var(--text-primary); }
/* R2 status indicator */
.r2-status { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }
.r2-status.online { background: rgba(34,197,94,0.15); color: #22c55e; }
.r2-status.offline { background: rgba(239,68,68,0.15); color: #ef4444; }
.r2-status.checking { background: rgba(234,179,8,0.15); color: #eab308; }
.r2-dot { width: 8px; height: 8px; border-radius: 50%; }
.r2-status.online .r2-dot { background: #22c55e; }
.r2-status.offline .r2-dot { background: #ef4444; }
.r2-status.checking .r2-dot { background: #eab308; animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }
/* Source badge on model cards */
.source-badge { position: absolute; bottom: 6px; left: 6px; padding: 2px 6px; border-radius: 4px; font-size: 0.6rem; font-weight: 700; text-transform: uppercase; }
.source-r2 { background: #22c55e; color: #000; }
.source-static { background: #6366f1; color: #fff; }
/* Upload to R2 button */
.upload-r2-btn { padding: 8px 18px; background: linear-gradient(135deg, #22c55e, #16a34a); border: none; border-radius: 8px; color: #fff; font-weight: 600; font-size: 0.85rem; cursor: pointer; transition: all 0.2s; }
.upload-r2-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(34,197,94,0.3); }
.upload-r2-btn:disabled { opacity: 0.4; cursor: default; transform: none; box-shadow: none; }
/* Viewer control groups */
.ctrl-group { display: flex; gap: 4px; padding: 0 8px; border-right: 1px solid var(--border-color); }
.ctrl-group:last-child { border-right: none; }
.ctrl-label { font-size: 0.65rem; color: var(--text-dim); text-transform: uppercase; margin-right: 4px; align-self: center; }
.env-select { padding: 6px 10px; background: var(--card-bg); border: 2px solid var(--border-color); border-radius: 8px; color: var(--text-primary); font-size: 0.8rem; }
/* ===== Toolbar ===== */
.viewer-toolbar { display: flex; gap: 2px; padding: 6px 12px; background: rgba(0,0,0,0.6); border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.toolbar-tab { padding: 6px 16px; background: transparent; border: 1px solid transparent; border-radius: 6px 6px 0 0; color: var(--text-dim); cursor: pointer; font-size: 0.8rem; font-weight: 600; transition: all 0.2s; }
.toolbar-tab:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.toolbar-tab.active { color: var(--tier-4); border-color: var(--border-color); border-bottom-color: transparent; background: rgba(212,168,75,0.08); }
.toolbar-spacer { flex: 1; }
.mode-toggle { display: flex; gap: 2px; background: rgba(0,0,0,0.3); border-radius: 6px; padding: 2px; }
.mode-btn { padding: 4px 12px; border: none; border-radius: 4px; background: transparent; color: var(--text-dim); cursor: pointer; font-size: 0.75rem; font-weight: 600; }
.mode-btn.active { background: var(--tier-4); color: #000; }
/* ===== Viewer Body with Inspector ===== */
.viewer-body { display: flex; flex: 1; overflow: hidden; }
.viewer-canvas-area { flex: 1; position: relative; overflow: hidden; }
.viewer-canvas-area canvas { width: 100% !important; height: 100% !important; display: block; }
.viewer-inspector { width: 300px; background: rgba(20,20,30,0.95); border-left: 1px solid var(--border-color); overflow-y: auto; flex-shrink: 0; display: none; }
.viewer-inspector.open { display: flex; flex-direction: column; }
.inspector-section { padding: 10px 12px; border-bottom: 1px solid var(--border-color); }
.inspector-section h4 { font-size: 0.75rem; text-transform: uppercase; color: var(--text-dim); margin-bottom: 8px; letter-spacing: 0.5px; }
/* ===== Add-to-scene button on cards ===== */
.model-card .add-scene-btn { position: absolute; bottom: 6px; right: 6px; padding: 3px 8px; border-radius: 4px; font-size: 0.6rem; font-weight: 700; background: var(--tier-4); color: #000; border: none; cursor: pointer; opacity: 0; transition: opacity 0.2s; text-transform: uppercase; }
.model-card:hover .add-scene-btn { opacity: 1; }
/* ===== Convert progress ===== */
.convert-progress { padding: 8px 12px; background: rgba(0,0,0,0.3); border-radius: 6px; font-size: 0.8rem; color: var(--text-dim); margin-top: 8px; }
.convert-progress-bar { height: 4px; background: var(--border-color); border-radius: 2px; margin-top: 4px; overflow: hidden; }
.convert-progress-fill { height: 100%; background: var(--tier-4); border-radius: 2px; transition: width 0.3s; }
/* ===== Material Editor ===== */
.mat-section { border-bottom: 1px solid var(--border-color); padding: 8px 10px; }
.mat-header { font-size: 0.8rem; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); }
.mat-row { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 0.78rem; color: var(--text-dim); }
.mat-row label { min-width: 80px; }
.mat-row input[type="range"] { flex: 1; accent-color: var(--tier-4); }
.mat-row input[type="color"] { width: 36px; height: 24px; border: 1px solid var(--border-color); border-radius: 4px; padding: 0; cursor: pointer; }
.mat-row input[type="checkbox"] { accent-color: var(--tier-4); }
.mat-maps { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.mat-map-slot { padding: 3px 6px; background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 4px; font-size: 0.65rem; cursor: pointer; display: flex; gap: 4px; align-items: center; }
.mat-map-slot.has-map { border-color: var(--tier-4); color: var(--tier-4); }
.mat-map-slot:hover { border-color: var(--tier-4); }
.mat-upgrade-btn { width: 100%; padding: 6px; background: var(--tier-4); color: #000; border: none; border-radius: 6px; font-weight: 600; cursor: pointer; font-size: 0.8rem; }
.mat-upgrade-btn:hover { opacity: 0.85; }
/* ===== Texture Browser ===== */
.tex-title { font-size: 0.85rem; font-weight: 600; padding: 10px 12px; color: var(--text-primary); }
.tex-category { font-size: 0.7rem; text-transform: uppercase; color: var(--text-dim); padding: 4px 12px; letter-spacing: 0.5px; }
.tex-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; padding: 6px 12px; }
.tex-thumb { background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 6px; padding: 6px; cursor: pointer; text-align: center; }
.tex-thumb:hover { border-color: var(--tier-4); }
.tex-thumb img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 4px; margin-bottom: 4px; }
.tex-thumb span { font-size: 0.7rem; color: var(--text-dim); }
.tex-drop-zone { margin: 8px 12px; padding: 16px; border: 2px dashed var(--border-color); border-radius: 8px; text-align: center; cursor: pointer; color: var(--text-dim); font-size: 0.8rem; }
.tex-drop-zone:hover, .tex-drop-zone.drag-over { border-color: var(--tier-4); }
</style>
<!-- Babylon.js UMD CDN (pinned v9.0.0) -->
<script src="https://cdn.babylonjs.com/v9.0.0/babylon.js"></script>
<script src="https://cdn.babylonjs.com/v9.0.0/loaders/babylonjs.loaders.min.js"></script>
<script src="https://cdn.babylonjs.com/v9.0.0/materialsLibrary/babylonjs.materials.min.js"></script>
<script src="https://cdn.babylonjs.com/v9.0.0/serializers/babylonjs.serializers.min.js"></script>
</head>
<body>
<script src="https://id.grudge-studio.com/grudge-auth-sdk.js"></script>
<script>document.addEventListener('DOMContentLoaded', function() { if (typeof GrudgeAuth !== 'undefined') GrudgeAuth.renderAuthBar(); });</script>
<div class="container">
<div class="header">
<h1><img src="favicon.svg" alt="" style="height:1em;vertical-align:middle;margin-right:6px;">3D Models Browser</h1>
<p class="subtitle">GLB-only 3D object storage — powered by Babylon.js
<span class="r2-status checking" id="r2Status"><span class="r2-dot"></span> R2 Checking…</span>
</p>
<div class="stats-bar" id="statsBar"></div>
</div>
<div class="bp-banner">
<span class="bp-banner-icon">⚡</span>
<div class="bp-banner-text">
<strong>Grudge Pipeline:</strong> Drop any 3D format — FBX, OBJ, GLTF, BLEND — and it gets auto-converted to optimised GLB
(GPU-ready, PBR materials, Draco compression, skeletal animation, smallest file size).
Only GLB is surfaced in this 3D browser and served to grudgeDot editors and Grudge Engine games, ensuring consistent rigging, textures, and materials everywhere.
</div>
</div>
<!-- Drop Zone for local files -->
<div class="drop-zone" id="dropZone">
<div class="drop-zone-icon">📦</div>
<div class="drop-zone-text">Drag & drop a 3D model to convert into the GLB pipeline</div>
<div class="drop-zone-formats">Accepts source files for conversion, but only GLB is stored and shown here</div>
<input type="file" id="fileInput" accept=".glb,.gltf,.fbx,.obj,.blend" style="display:none;">
</div>
<!-- Upload to R2 -->
<div style="display:flex;gap:10px;align-items:center;margin-bottom:20px;">
<button class="upload-r2-btn" id="uploadR2Btn" disabled>☁ Convert & Upload to R2</button>
<input type="file" id="r2FileInput" accept=".glb,.gltf,.fbx,.obj,.blend" multiple style="display:none;">
<span id="uploadR2Status" style="font-size:0.8rem;color:var(--text-dim);"></span>
</div>
<div class="controls">
<input type="text" class="search-box" id="searchBox" placeholder="🔍 Search models by name...">
<div class="filter-row">
<span class="filter-label">Format:</span>
<div id="formatFilters"></div>
</div>
<div class="filter-row">
<span class="filter-label">Category:</span>
<div id="categoryFilters" style="display:flex;gap:6px;flex-wrap:wrap;"></div>
</div>
</div>
<div class="loading" id="loadingState"><div class="spinner"></div><p>Loading model catalog...</p></div>
<div id="resultsArea" style="display:none;">
<div class="results-header">
<h2 class="results-title">Models</h2>
<span class="results-count" id="resultsCount">0 models</span>
</div>
<div class="model-grid" id="modelGrid"></div>
<div class="pagination" id="pagination"></div>
</div>
<div class="empty-state" id="emptyState" style="display:none;">
<div style="font-size:4rem;margin-bottom:12px;opacity:0.3;">🔍</div>
<h3>No models found</h3>
<p>Try adjusting your search or filters</p>
</div>
</div>
<!-- 3D Viewer Overlay -->
<div class="viewer-overlay" id="viewerOverlay">
<div class="viewer-header">
<span class="viewer-title" id="viewerTitle">Model Viewer</span>
<span class="viewer-info" id="viewerInfo"></span>
<button class="viewer-close" id="viewerClose">× Close</button>
</div>
<!-- Toolbar -->
<div class="viewer-toolbar" id="viewerToolbar">
<button class="toolbar-tab active" data-tab="scene">Scene</button>
<button class="toolbar-tab" data-tab="materials">Materials</button>
<button class="toolbar-tab" data-tab="textures">Textures</button>
<button class="toolbar-tab" data-tab="animate">Animate</button>
<button class="toolbar-tab" data-tab="convert">Convert</button>
<div class="toolbar-spacer"></div>
<div class="mode-toggle">
<button class="mode-btn active" data-mode="viewer">Viewer</button>
<button class="mode-btn" data-mode="playcanvas">Play Canvas</button>
</div>
</div>
<!-- Body: canvas + inspector -->
<div class="viewer-body">
<div class="viewer-canvas-area" id="viewerCanvasWrap">
<div class="viewer-loading" id="viewerLoading"><div class="spinner"></div><p>Loading model...</p></div>
</div>
<div class="viewer-inspector" id="viewerInspector">
<!-- Scene tab -->
<div class="inspector-panel" id="panelScene">
<div class="inspector-section"><h4>Scene Hierarchy</h4><div id="sceneTree" style="font-size:0.8rem;color:var(--text-dim);">No model loaded</div></div>
</div>
<!-- Materials tab -->
<div class="inspector-panel" id="panelMaterials" style="display:none;"></div>
<!-- Textures tab -->
<div class="inspector-panel" id="panelTextures" style="display:none;"></div>
<!-- Animate tab -->
<div class="inspector-panel" id="panelAnimate" style="display:none;"></div>
<!-- Convert tab -->
<div class="inspector-panel" id="panelConvert" style="display:none;">
<div class="inspector-section">
<h4>Convert Model</h4>
<p style="font-size:0.8rem;color:var(--text-dim);margin-bottom:8px;">Convert any 3D format to optimised GLB for the Grudge pipeline</p>
<input type="file" id="convertFileInput" accept=".glb,.gltf,.fbx,.obj,.blend" style="display:none;">
<button class="viewer-btn" id="btnPickConvert" style="width:100%;margin-bottom:6px;">📂 Pick File to Convert</button>
<button class="viewer-btn" id="btnConvertCurrent" style="width:100%;margin-bottom:6px;">Convert Current Model</button>
<div id="convertStatus" class="convert-progress" style="display:none;">
<span id="convertMsg">Ready</span>
<div class="convert-progress-bar"><div class="convert-progress-fill" id="convertFill" style="width:0%;"></div></div>
</div>
</div>
</div>
</div>
</div>
<!-- Bottom controls -->
<div class="viewer-controls" id="viewerControls">
<div class="ctrl-group">
<button class="viewer-btn" id="btnWireframe">Wireframe</button>
<button class="viewer-btn active" id="btnGrid">Grid</button>
<button class="viewer-btn active" id="btnAutoRotate">Auto Rotate</button>
</div>
<div class="ctrl-group">
<span class="ctrl-label">Cam</span>
<button class="viewer-btn" data-cam="front">Front</button>
<button class="viewer-btn" data-cam="back">Back</button>
<button class="viewer-btn" data-cam="left">Left</button>
<button class="viewer-btn" data-cam="right">Right</button>
<button class="viewer-btn" data-cam="top">Top</button>
<button class="viewer-btn" data-cam="iso">Iso</button>
<button class="viewer-btn" id="btnResetCam">Reset</button>
</div>
<div class="ctrl-group">
<span class="ctrl-label">Light</span>
<button class="viewer-btn active" data-light="key">Key</button>
<button class="viewer-btn active" data-light="fill">Fill</button>
<button class="viewer-btn active" data-light="rim">Rim</button>
</div>
<div class="ctrl-group">
<span class="ctrl-label">Env</span>
<select class="env-select" id="envSelect">
<option value="none">None</option>
<option value="studio">Studio</option>
<option value="sunset">Sunset</option>
<option value="night">Night</option>
</select>
</div>
<div class="ctrl-group">
<span class="ctrl-label">Quality</span>
<select class="env-select" id="qualitySelect">
<option value="1">1×</option>
<option value="1.5">1.5×</option>
<option value="2" selected>2×</option>
</select>
</div>
<div class="ctrl-group">
<select class="anim-select-3d" id="animSelect" style="display:none;"><option value="-1">No Animation</option></select>
<button class="viewer-btn" id="btnScreenshot">📷 Screenshot</button>
<button class="viewer-btn" id="btnExportGLB">💾 Export GLB</button>
<button class="viewer-btn" id="btnToggleInspector">Inspector</button>
</div>
<span class="viewer-info" id="viewerStats"></span>
</div>
</div>
<script src="./js/nav.js"></script>
<!-- Babylon.js Viewer (non-module, uses global BABYLON) -->
<script src="./js/viewer/RenderPipeline.js"></script>
<script src="./js/viewer/MaterialEditor.js"></script>
<script src="./js/viewer/TextureManager.js"></script>
<script src="./js/viewer/AnimationManager.js"></script>
<script src="./js/viewer/ModelConverter.js"></script>
<script>
/* ═══════════════ State ═══════════════ */
var engine, scene, camera, gridMesh, shadows;
var keyLight, fillLight, rimLight;
var currentModel = null;
var currentAnimGroups = [];
var isViewerOpen = false;
var autoRotate = true;
var showWireframe = false;
var showGrid = true;
var currentMode = 'viewer';
var materialEditor = null;
var textureManager = null;
var modelConverter = null;
var animationManager = null;
var _autoRotateObs = null;
/* ═══════════════ Init ═══════════════ */
function initViewer() {
var wrap = document.getElementById('viewerCanvasWrap');
var canvas = document.createElement('canvas');
canvas.style.cssText = 'width:100%;height:100%;display:block;';
wrap.appendChild(canvas);
engine = new BABYLON.Engine(canvas, true, { preserveDrawingBuffer: true, stencil: true, adaptToDeviceRatio: true });
scene = new BABYLON.Scene(engine);
scene.clearColor = new BABYLON.Color4(0.10, 0.10, 0.18, 1);
camera = new BABYLON.ArcRotateCamera('cam', -Math.PI / 2, Math.PI / 3, 5, BABYLON.Vector3.Zero(), scene);
camera.lowerRadiusLimit = 0.5; camera.upperRadiusLimit = 500;
camera.wheelDeltaPercentage = 0.01;
camera.attachControl(canvas, true);
// 3-point lighting
var hemi = new BABYLON.HemisphericLight('hemi', new BABYLON.Vector3(0, 1, 0), scene);
hemi.intensity = 0.5; hemi.groundColor = new BABYLON.Color3(0.1, 0.08, 0.15);
keyLight = new BABYLON.DirectionalLight('key', new BABYLON.Vector3(-0.8, -1.2, -0.5), scene);
keyLight.position = new BABYLON.Vector3(5, 8, 5); keyLight.intensity = 1.2;
shadows = new BABYLON.ShadowGenerator(1024, keyLight);
shadows.useBlurExponentialShadowMap = true; shadows.blurKernel = 16;
fillLight = new BABYLON.DirectionalLight('fill', new BABYLON.Vector3(1, -0.3, 1), scene);
fillLight.position = new BABYLON.Vector3(-5, 3, -3); fillLight.intensity = 0.4;
fillLight.diffuse = new BABYLON.Color3(0.5, 0.5, 1);
rimLight = new BABYLON.PointLight('rim', new BABYLON.Vector3(0, 5, -8), scene);
rimLight.diffuse = new BABYLON.Color3(1, 0.85, 0); rimLight.intensity = 20; rimLight.range = 15;
// Ground
var ground = BABYLON.MeshBuilder.CreateGround('ground', { width: 50, height: 50 }, scene);
ground.receiveShadows = true;
var gMat = new BABYLON.PBRMaterial('gmat', scene);
gMat.albedoColor = new BABYLON.Color3(0.08, 0.09, 0.12); gMat.metallic = 0.1; gMat.roughness = 0.9;
ground.material = gMat;
// Grid
gridMesh = BABYLON.MeshBuilder.CreateGround('grid', { width: 30, height: 30 }, scene);
gridMesh.position.y = 0.002;
var gridMat = new BABYLON.GridMaterial('gm', scene);
gridMat.majorUnitFrequency = 5; gridMat.minorUnitVisibility = 0.3;
gridMat.gridRatio = 0.5; gridMat.mainColor = new BABYLON.Color3(0.3, 0.35, 0.45);
gridMat.lineColor = new BABYLON.Color3(0.15, 0.18, 0.25); gridMat.opacity = 0.4;
gridMesh.material = gridMat;
// Post-processing
var pip = new BABYLON.DefaultRenderingPipeline('pip', true, scene, [camera]);
pip.fxaaEnabled = true; pip.bloomEnabled = true; pip.bloomThreshold = 0.4; pip.bloomWeight = 0.4;
pip.imageProcessingEnabled = true;
pip.imageProcessing.toneMappingEnabled = true;
pip.imageProcessing.toneMappingType = BABYLON.ImageProcessingConfiguration.TONEMAPPING_ACES;
pip.imageProcessing.exposure = 1.2; pip.imageProcessing.contrast = 1.1;
// Modules
modelConverter = new ModelConverter();
animationManager = new AnimationManager();
materialEditor = new MaterialEditor();
textureManager = new TextureManager();
textureManager.setScene(scene);
materialEditor.buildUI(document.getElementById('panelMaterials'));
textureManager.buildUI(document.getElementById('panelTextures'));
animationManager.buildUI(document.getElementById('panelAnimate'));
initConverterUI();
// Auto-rotate
_autoRotateObs = scene.onBeforeRenderObservable.add(function() {
if (autoRotate && isViewerOpen) camera.alpha += 0.003;
});
// Resize
new ResizeObserver(function() { engine.resize(); }).observe(wrap);
window.addEventListener('resize', function() { engine.resize(); });
engine.runRenderLoop(function() {
if (isViewerOpen) { animationManager.update(); scene.render(); }
});
// Load default character (Corsair King) so the viewer isn't empty on first open
loadDefaultCharacter();
}
/* ═══════════════ Grudge Race → 3D Model Mapping ═══════════════
* Canonical mapping — must match Grudge-Builder/client/src/lib/gameData.ts
* 6 Races: Human, Barbarian (Crusade) | Undead, Orc (Legion) | High Elf, Dwarf (Fabled)
* 4 Classes: Worg Shapeshifter, Warrior, Mage Priest, Ranger Scout
* All models served from assets.grudge-studio.com (R2 CDN, CORS: *).
*/
var RACE_MODEL_CDN = 'https://assets.grudge-studio.com/models/characters/rts';
var GRUDGE_RACE_MODELS = {
human: { file: 'Knight_Male.glb', label: 'Human', faction: 'Crusade' },
barbarian: { file: 'BarbarianGlad.glb', label: 'Barbarian', faction: 'Crusade' },
undead: { file: 'berserker.glb', label: 'Undead', faction: 'Legion' },
orc: { file: 'King.glb', label: 'Orc', faction: 'Legion' },
high_elf: { file: 'Wizard.glb', label: 'High Elf', faction: 'Fabled' },
dwarf: { file: 'Viking_Male.glb', label: 'Dwarf', faction: 'Fabled' },
};
var DEFAULT_RACE = 'human';
// Expose globally so other Grudge apps can import/reference
window.GRUDGE_RACE_MODELS = GRUDGE_RACE_MODELS;
function raceModelUrl(race) {
var entry = GRUDGE_RACE_MODELS[(race || '').toLowerCase()] || GRUDGE_RACE_MODELS[DEFAULT_RACE];
return RACE_MODEL_CDN + '/' + entry.file;
}
function raceLabel(race) {
var entry = GRUDGE_RACE_MODELS[(race || '').toLowerCase()] || GRUDGE_RACE_MODELS[DEFAULT_RACE];
return entry.label;
}
/** Load a character model into the viewer scene */
async function loadCharacterModel(url, name, info) {
try {
var before = scene.animationGroups.length;
var result = await BABYLON.SceneLoader.ImportMeshAsync('', '', url, scene, null, '.glb');
currentModel = result.meshes[0];
result.meshes.forEach(function(m) { shadows.addShadowCaster(m); m.receiveShadows = true; });
frameModel(currentModel);
var newGroups = scene.animationGroups.slice(before);
setupAnimations(newGroups);
var stats = getModelStats(currentModel);
document.getElementById('viewerStats').textContent = stats.meshes + ' meshes \u00b7 ' + stats.verts.toLocaleString() + ' verts \u00b7 ' + stats.tris.toLocaleString() + ' tris';
buildSceneTree(currentModel);
if (materialEditor) materialEditor.inspect(currentModel);
if (textureManager) textureManager.setInspectedObject(currentModel);
document.getElementById('viewerTitle').textContent = name;
document.getElementById('viewerInfo').textContent = info;
document.getElementById('viewerLoading').style.display = 'none';
} catch (err) {
console.warn('Character model load failed:', err);
document.getElementById('viewerLoading').style.display = 'none';
}
}
/** Try to load the player's Grudge character, fall back to default race */
async function loadDefaultCharacter() {
var token = null;
try { token = localStorage.getItem('grudge_auth_token'); } catch(e) {}
if (token) {
try {
var res = await fetch('https://api.grudge-studio.com/characters', {
headers: { 'Authorization': 'Bearer ' + token, 'Content-Type': 'application/json' },
signal: AbortSignal.timeout(5000)
});
if (res.ok) {
var chars = await res.json();
if (Array.isArray(chars) && chars.length > 0) {
var c = chars[0]; // primary character
var url = raceModelUrl(c.race);
var label = (c.name || 'Character') + ' (' + raceLabel(c.race) + ' ' + (c.class || '') + ')';
await loadCharacterModel(url, label, 'GLB \u00b7 Grudge Character \u00b7 Lv.' + (c.level || 1));
console.log('Loaded player character:', c.name, c.race, c.class);
return;
}
}
} catch (e) { console.warn('Grudge character fetch failed:', e.message); }
}
// No auth or no characters — load default Human
await loadCharacterModel(
raceModelUrl(DEFAULT_RACE),
raceLabel(DEFAULT_RACE) + ' (Default)',
'GLB \u00b7 Default Race Model \u00b7 Sign in to load your character'
);
}
/* ═══════════════ Model Loading ═══════════════ */
function clearModel() {
if (currentModel) {
currentModel.getChildMeshes(false).forEach(function(m) { m.dispose(); });
currentModel.dispose();
currentModel = null;
}
currentAnimGroups.forEach(function(g) { g.dispose(); });
currentAnimGroups = [];
scene.animationGroups.slice().forEach(function(g) { g.dispose(); });
document.getElementById('animSelect').style.display = 'none';
document.getElementById('animSelect').innerHTML = '<option value="-1">No Animation</option>';
document.getElementById('sceneTree').textContent = 'No model loaded';
}
function frameModel(root) {
var bounds = root.getHierarchyBoundingVectors(true);
var center = bounds.min.add(bounds.max).scale(0.5);
var size = bounds.max.subtract(bounds.min);
var maxDim = Math.max(size.x, size.y, size.z);
camera.setTarget(center);
camera.radius = maxDim * 1.8;
camera.alpha = -Math.PI / 2; camera.beta = Math.PI / 3;
}
function setupAnimations(groups) {
if (!groups || groups.length === 0) return;
currentAnimGroups = groups;
var select = document.getElementById('animSelect');
select.innerHTML = '<option value="-1">No Animation</option>';
groups.forEach(function(g, i) {
var opt = document.createElement('option');
opt.value = i; opt.textContent = g.name || ('Animation ' + (i + 1));
select.appendChild(opt);
});
select.style.display = 'inline-block';
if (groups.length > 0) { groups[0].start(true); select.value = '0'; }
animationManager.bind(groups);
}
function applyWireframe(root, wf) {
root.getChildMeshes(false).forEach(function(m) { if (m.material) m.material.wireframe = wf; });
}
function getModelStats(root) {
var verts = 0, tris = 0, meshes = 0;
root.getChildMeshes(false).forEach(function(m) {
meshes++;
if (m.getTotalVertices) verts += m.getTotalVertices();
if (m.getTotalIndices) tris += m.getTotalIndices() / 3;
});
return { verts: verts, tris: Math.round(tris), meshes: meshes };
}
function buildSceneTree(root) {
var tree = document.getElementById('sceneTree');
if (!tree) return;
var html = '';
function walk(node, depth) {
var indent = ' '.repeat(depth * 2);
var icon = (node.getTotalVertices && node.getTotalVertices() > 0) ? '■' : '▶';
html += '<div style="padding:1px 0;">' + indent + icon + ' <span style="color:#ccc;">' + (node.name || 'node') + '</span></div>';
var children = node.getChildren ? node.getChildren() : [];
children.forEach(function(c) { walk(c, depth + 1); });
}
walk(root, 0);
tree.innerHTML = html || 'No model loaded';
}
async function loadModelFromURL(url, format) {
clearModel();
document.getElementById('viewerLoading').style.display = 'block';
try {
var ext = '.glb';
var before = scene.animationGroups.length;
var result = await BABYLON.SceneLoader.ImportMeshAsync('', '', url, scene, null, ext);
currentModel = result.meshes[0];
// Shadows
result.meshes.forEach(function(m) { shadows.addShadowCaster(m); m.receiveShadows = true; });
// Frame
frameModel(currentModel);
// Animations
var newGroups = scene.animationGroups.slice(before);
setupAnimations(newGroups);
if (showWireframe) applyWireframe(currentModel, true);
var stats = getModelStats(currentModel);
document.getElementById('viewerStats').textContent = stats.meshes + ' meshes \u00b7 ' + stats.verts.toLocaleString() + ' verts \u00b7 ' + stats.tris.toLocaleString() + ' tris';
buildSceneTree(currentModel);
if (materialEditor) materialEditor.inspect(currentModel);
if (textureManager) textureManager.setInspectedObject(currentModel);
} catch (err) {
console.error('Model load error:', err);
document.getElementById('viewerStats').textContent = '\u26A0 Load failed: ' + err.message;
var loadEl = document.getElementById('viewerLoading');
loadEl.innerHTML = '<div style="text-align:center;padding:40px;">' +
'<div style="font-size:3rem;margin-bottom:12px;opacity:0.3;">\u26A0</div>' +
'<p style="color:#ef4444;font-size:1rem;margin-bottom:8px;">Failed to load model</p>' +
'<p style="color:var(--text-dim);font-size:0.8rem;max-width:400px;margin:0 auto;">' + err.message + '</p>' +
'<p style="color:var(--text-dim);font-size:0.75rem;margin-top:12px;">Only GLB/GLTF is supported. All assets must go through the Grudge pipeline. Check R2 or upload from your machine.</p>' +
'</div>';
loadEl.style.display = 'block';
return;
}
document.getElementById('viewerLoading').style.display = 'none';
}
function loadModelFromFile(file) {
var ext = file.name.split('.').pop().toLowerCase();
var format = { glb: 'GLB', gltf: 'GLTF' }[ext];
if (!format) {
// Non-GLB format dropped — send through convert+upload pipeline instead of previewing
alert('This .' + ext + ' file will be converted to GLB through the Grudge pipeline.\nUse the "Convert & Upload to R2" button to process it.');
return;
}
var url = URL.createObjectURL(file);
openViewer(file.name, format, '');
loadModelFromURL(url, format);
}
/* ═══════════════ Viewer Open/Close ═══════════════ */
function openViewer(name, format, path) {
if (!engine) initViewer();
isViewerOpen = true;
document.getElementById('viewerOverlay').classList.add('active');
document.getElementById('viewerTitle').textContent = name;
document.getElementById('viewerInfo').textContent = format + (path ? ' \u00b7 ' + path : '');
document.getElementById('viewerStats').textContent = '';
document.body.style.overflow = 'hidden';
setTimeout(function() { engine.resize(); }, 50);
}
function closeViewer() {
isViewerOpen = false; clearModel();
document.getElementById('viewerOverlay').classList.remove('active');
document.body.style.overflow = '';
}
/* ═══════════════ Controls ═══════════════ */
document.getElementById('viewerClose').addEventListener('click', closeViewer);
document.addEventListener('keydown', function(e) { if (e.key === 'Escape' && isViewerOpen) closeViewer(); });
document.getElementById('btnWireframe').addEventListener('click', function() {
showWireframe = !showWireframe; this.classList.toggle('active', showWireframe);
if (currentModel) applyWireframe(currentModel, showWireframe);
});
document.getElementById('btnGrid').addEventListener('click', function() {
showGrid = !showGrid; this.classList.toggle('active', showGrid);
if (gridMesh) gridMesh.isVisible = showGrid;
});
document.getElementById('btnAutoRotate').addEventListener('click', function() {
autoRotate = !autoRotate; this.classList.toggle('active', autoRotate);
});
document.getElementById('btnResetCam').addEventListener('click', function() { if (currentModel) frameModel(currentModel); });
document.getElementById('animSelect').addEventListener('change', function() {
var idx = parseInt(this.value);
currentAnimGroups.forEach(function(g) { g.stop(); });
if (idx >= 0 && currentAnimGroups[idx]) currentAnimGroups[idx].start(true);
});
/* ═══════════════ Camera Presets ═══════════════ */
function setCameraPreset(preset) {
if (!currentModel) return;
var bounds = currentModel.getHierarchyBoundingVectors(true);
var center = bounds.min.add(bounds.max).scale(0.5);
var size = bounds.max.subtract(bounds.min);
var dist = Math.max(size.x, size.y, size.z) * 2;
camera.setTarget(center); camera.radius = dist;
var presets = { front:[0,Math.PI/3], back:[Math.PI,Math.PI/3], left:[-Math.PI/2,Math.PI/3],
right:[Math.PI/2,Math.PI/3], top:[0,0.01], iso:[-Math.PI/4,Math.PI/4] };
var p = presets[preset]; if (!p) return;
camera.alpha = p[0]; camera.beta = p[1];
}
document.querySelectorAll('[data-cam]').forEach(function(btn) { btn.addEventListener('click', function() { setCameraPreset(btn.dataset.cam); }); });
/* ═══════════════ Lighting ═══════════════ */
var lightMap = { key: function() { return keyLight; }, fill: function() { return fillLight; }, rim: function() { return rimLight; } };
document.querySelectorAll('[data-light]').forEach(function(btn) {
btn.addEventListener('click', function() {
var light = lightMap[this.dataset.light](); if (!light) return;
light.setEnabled(!light.isEnabled()); this.classList.toggle('active', light.isEnabled());
});
});
/* ═══════════════ Environment ═══════════════ */
var envPresets = {
none: { r:0.10,g:0.10,b:0.18, exposure:1.2 },
studio: { r:0.16,g:0.16,b:0.24, exposure:1.4 },
sunset: { r:0.10,g:0.04,b:0.04, exposure:1.0 },
night: { r:0.04,g:0.04,b:0.10, exposure:0.7 },
};
document.getElementById('envSelect').addEventListener('change', function() {
var p = envPresets[this.value] || envPresets.none;
if (scene) scene.clearColor = new BABYLON.Color4(p.r, p.g, p.b, 1);
});
document.getElementById('qualitySelect').addEventListener('change', function() {
var dpr = Math.min(parseFloat(this.value), window.devicePixelRatio);
if (engine) engine.setHardwareScalingLevel(1 / dpr);
});
/* ═══════════════ Screenshot & Export ═══════════════ */
document.getElementById('btnScreenshot').addEventListener('click', function() {
if (!engine || !isViewerOpen) return;
BABYLON.Tools.CreateScreenshot(engine, camera, { width: 1920, height: 1080 }, function(data) {
var a = document.createElement('a'); a.href = data; a.download = 'grudge-3d-screenshot.png'; a.click();
});
});
document.getElementById('btnExportGLB').addEventListener('click', async function() {
if (!scene || !currentModel) return;
try {
var glb = await BABYLON.GLTF2Export.GLBAsync(scene, document.getElementById('viewerTitle').textContent || 'model');
var keys = Object.keys(glb.glTFFiles);
var blob = glb.glTFFiles[keys[0]];
var a = document.createElement('a');
a.href = URL.createObjectURL(blob);
a.download = (document.getElementById('viewerTitle').textContent || 'model') + '.glb';
a.click(); URL.revokeObjectURL(a.href);
} catch (err) { console.error('Export failed:', err); }
});
/* ═══════════════ Drag & Drop ═══════════════ */
var dropZone = document.getElementById('dropZone');
var fileInput = document.getElementById('fileInput');
dropZone.addEventListener('click', function() { fileInput.click(); });
fileInput.addEventListener('change', function() { if (this.files[0]) loadModelFromFile(this.files[0]); });
dropZone.addEventListener('dragover', function(e) { e.preventDefault(); this.classList.add('drag-over'); });
dropZone.addEventListener('dragleave', function() { this.classList.remove('drag-over'); });
dropZone.addEventListener('drop', function(e) {
e.preventDefault(); this.classList.remove('drag-over');
if (e.dataTransfer.files[0]) loadModelFromFile(e.dataTransfer.files[0]);
});
/* ═══════════════ Toolbar & Inspector ═══════════════ */
var inspector = document.getElementById('viewerInspector');
var panels = { scene: 'panelScene', materials: 'panelMaterials', textures: 'panelTextures', animate: 'panelAnimate', convert: 'panelConvert' };
document.querySelectorAll('.toolbar-tab').forEach(function(tab) {
tab.addEventListener('click', function() {
document.querySelectorAll('.toolbar-tab').forEach(function(t) { t.classList.remove('active'); });
this.classList.add('active');
var panelId = panels[this.dataset.tab];
document.querySelectorAll('.inspector-panel').forEach(function(p) { p.style.display = 'none'; });
if (panelId) document.getElementById(panelId).style.display = '';
inspector.classList.add('open');
setTimeout(function() { if (engine) engine.resize(); }, 50);
});
});
document.getElementById('btnToggleInspector').addEventListener('click', function() {
inspector.classList.toggle('open');
setTimeout(function() { if (engine) engine.resize(); }, 50);
});
/* ═══════════════ Mode Toggle ═══════════════ */
document.querySelectorAll('.mode-btn').forEach(function(btn) {
btn.addEventListener('click', function() {
document.querySelectorAll('.mode-btn').forEach(function(b) { b.classList.remove('active'); });
this.classList.add('active');
currentMode = this.dataset.mode;
});
});
/* ═══════════════ Converter Panel ═══════════════ */
function initConverterUI() {
var fileIn = document.getElementById('convertFileInput');
var msgEl = document.getElementById('convertMsg');
var fillEl = document.getElementById('convertFill');
var statusEl = document.getElementById('convertStatus');
modelConverter.onProgress(function(stage, pct, msg) { statusEl.style.display = ''; msgEl.textContent = msg; fillEl.style.width = pct + '%'; });
document.getElementById('btnPickConvert').addEventListener('click', function() { fileIn.click(); });
fileIn.addEventListener('change', async function() {
if (!this.files[0]) return;
try { var result = await modelConverter.convertToGLB(this.files[0]); modelConverter.downloadBlob(result.blob, result.name); msgEl.textContent = 'Done: ' + result.name; }
catch (err) { msgEl.textContent = 'Error: ' + err.message; }
this.value = '';
});
document.getElementById('btnConvertCurrent').addEventListener('click', async function() {
if (!scene || !currentModel) { msgEl.textContent = 'No model loaded'; statusEl.style.display = ''; return; }
statusEl.style.display = ''; msgEl.textContent = 'Exporting current model...';
try {
var glb = await BABYLON.GLTF2Export.GLBAsync(scene, 'model');
var keys = Object.keys(glb.glTFFiles);
modelConverter.downloadBlob(glb.glTFFiles[keys[0]], (document.getElementById('viewerTitle').textContent || 'model') + '.glb');
msgEl.textContent = 'Downloaded'; fillEl.style.width = '100%';
} catch (err) { msgEl.textContent = 'Error: ' + err.message; }
});
}
/* ═══════════════ Thumbnail Generator (BJS offscreen) ═══════════════ */
var thumbState = { engine: null, scene: null, camera: null, _queue: [], _running: false };
function initThumbEngine() {
if (thumbState.engine) return;
var c = document.createElement('canvas'); c.width = 200; c.height = 200;
thumbState.engine = new BABYLON.Engine(c, true, { preserveDrawingBuffer: true });
thumbState.scene = new BABYLON.Scene(thumbState.engine);
thumbState.scene.clearColor = new BABYLON.Color4(0.10, 0.10, 0.18, 1);
new BABYLON.HemisphericLight('h', new BABYLON.Vector3(0, 1, 0), thumbState.scene).intensity = 0.6;
var dl = new BABYLON.DirectionalLight('d', new BABYLON.Vector3(-1, -2, -1), thumbState.scene); dl.intensity = 1;
thumbState.camera = new BABYLON.ArcRotateCamera('tc', -Math.PI / 4, Math.PI / 3, 5, BABYLON.Vector3.Zero(), thumbState.scene);
}
async function generateThumbnail(url, format) {
initThumbEngine();
var fmt = format.toUpperCase();
if (fmt !== 'GLB' && fmt !== 'GLTF') return null; // Only GLB/GLTF
var ext = '.glb';
try {
var result = await BABYLON.SceneLoader.ImportMeshAsync('', '', url, thumbState.scene, null, ext);
var root = result.meshes[0];
var bounds = root.getHierarchyBoundingVectors(true);
var center = bounds.min.add(bounds.max).scale(0.5);
var size = bounds.max.subtract(bounds.min);
var maxDim = Math.max(size.x, size.y, size.z);
thumbState.camera.setTarget(center);
thumbState.camera.radius = maxDim * 1.6;
thumbState.scene.render();
var dataUrl = thumbState.engine.getRenderingCanvas().toDataURL('image/webp', 0.7);
// Cleanup
result.meshes.forEach(function(m) { m.dispose(); });
result.skeletons.forEach(function(s) { s.dispose(); });
thumbState.scene.animationGroups.slice().forEach(function(g) { g.dispose(); });
return dataUrl;
} catch (e) { return null; }
}
async function processThumbQueue() {
if (thumbState._running) return;
thumbState._running = true;
while (thumbState._queue.length > 0) {
var item = thumbState._queue.shift();
if (!item.el.isConnected) continue;
try {
var dataUrl = await generateThumbnail(item.url, item.format);
if (dataUrl && item.el.isConnected) {
var img = document.createElement('img'); img.className = 'thumb-img'; img.src = dataUrl; img.loading = 'lazy';
item.el.appendChild(img);
var shimmer = item.el.querySelector('.load-shimmer'); if (shimmer) shimmer.remove();
}
} catch (e) { /* skip */ }
}
thumbState._running = false;
}
var thumbObserver = new IntersectionObserver(function(entries) {
for (var i = 0; i < entries.length; i++) {
if (!entries[i].isIntersecting) continue;
var el = entries[i].target;
var url = el.dataset.modelUrl, format = el.dataset.format;
if (!url || el.dataset.thumbQueued) continue;
el.dataset.thumbQueued = '1';
thumbObserver.unobserve(el);
thumbState._queue.push({ el: el, url: url, format: format });
processThumbQueue();
}