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feat(ugc): glitter flecks (LEGO-AnimUV) and milky satin in made models

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Glitter colors (Materials.xml type glitter, glitter_colors 114,117) go into
S21_Glitter_Model and, transparent, S21_GlitterAlpha_Model (shader_glitter,
default 21, LEGO-AnimUV). Their shapes get box-projected UVs, an
NiTexturingProperty with a stored 128 px mipmapped fleck texture
(NiSourceTexture + NiPersistentSrcTextureRendererData, as the client's own
env_ag_ocean-maelstrom.nif) and two NiTextureTransformControllers looping
the base map's translation (glitter_size, glitter_density, glitter_speed).
The shader lays the texture over the vertex color by its alpha and outputs
the vertex alpha, so transparent glitter blends as S01_Alpha does.

Satin colors (satin_colors, LEGO's opal colors) stay in S01_Alpha but get
satin_opacity and are whitened by satin_whiten.

NifFile reads the base map's scroll speed (uvScroll) from the controllers;
the icon draws still flecks, the UGC 3D view and the LXFML viewers moving
ones. stats.json counts the glitter groups. With shader_glitter 0 and no
satin colors the files are the same bytes as before (tested). Also keeps
glow_emissive for the icon (it was reset by the icon settings).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-28 12:53:52 -05:00
parent 49c1486771
commit dfe4cc523a
24 changed files with 966 additions and 93 deletions
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16
dDashboardServer/static/js/lddviewer.js
View File

@@ -14,7 +14,7 @@
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { RoomEnvironment } from 'three/addons/environments/RoomEnvironment.js';
import { parseModel, mergeMeshes, linearColors, nearPlaneFor } from '/js/scenery-core.js';
import { parseModel, mergeMeshes, linearColors, nearPlaneFor, addGlitter } from '/js/scenery-core.js';
const GEOMETRY_MAGIC = 0x42473031; // "10GB"
const MAX_PARALLEL_FETCHES = 6;
@@ -174,11 +174,13 @@ async function loadGeneratedModel(url) {
// ---- Viewer ----
const materialCache = new Map();
// The glitter colours' moving flecks (window.LDD_GLITTER, the UGC server's glitter settings), updated each frame
const glitterMaterials = [];
function material(id) {
if (!materialCache.has(id)) {
const c = (window.LDD_MATERIALS || {})[id] || [160, 160, 160, 255];
const transparent = c[3] < 255;
materialCache.set(id, new THREE.MeshPhysicalMaterial({
const created = new THREE.MeshPhysicalMaterial({
color: new THREE.Color().setRGB(c[0] / 255, c[1] / 255, c[2] / 255, THREE.SRGBColorSpace),
roughness: 0.28,
metalness: 0,
@@ -187,7 +189,14 @@ function material(id) {
transparent,
opacity: c[3] / 255,
depthWrite: !transparent
}));
});
const glitter = window.LDD_GLITTER;
if (glitter && (glitter.colors || []).includes(Number(id))) {
// Moving as the game moves its fleck texture: a tile in U in 7 s and in V in 11 s at speed 1
const speed = glitter.speed || 0;
glitterMaterials.push(addGlitter(created, { coordinates: 'position', tile: glitter.tile || 1.6, flecks: glitter.flecks || 50, scroll: [speed / 7, speed / 11] }));
}
materialCache.set(id, created);
}
return materialCache.get(id);
}
@@ -749,6 +758,7 @@ export function createViewer(container, { onProgress, onSelect, onTick, brickUrl
const dt = Math.min((now - lastTime) / 1000, 0.1);
lastTime = now;
if (onTick) onTick(dt);
for (const glitter of glitterMaterials) glitter.update(now / 1000);
updateBubbles(now);
controls.update();
// The near plane follows how far out the camera is (depth precision for the scenery far away), but never