From e15d53a7c43879ccf801eb1582499abdf80fb0a4 Mon Sep 17 00:00:00 2001
From: Dimitrie Stefanescu <didimitrie@gmail.com>
Date: Mon, 15 Aug 2022 08:56:44 +0300
Subject: [PATCH] hack(viewer): allow for loading assets load with data urls
 (`data:img/png...`)

---
 packages/viewer/src/modules/Assets.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/viewer/src/modules/Assets.ts b/packages/viewer/src/modules/Assets.ts
index e16535494..c431e6142 100644
--- a/packages/viewer/src/modules/Assets.ts
+++ b/packages/viewer/src/modules/Assets.ts
@@ -80,10 +80,20 @@ export class Assets {
     } else {
       srcUrl = asset as string
     }
+
     if (this._cache[srcUrl]) {
       return Promise.resolve(this._cache[srcUrl])
     }
 
+    // Hack to load 'data:image's - for some reason, the frontend receives the default
+    // gradient map as a data image url, rather than a file (?).
+    if (srcUrl.includes('data:image')) {
+      const texture = new Texture(srcUrl as unknown as HTMLImageElement)
+      texture.needsUpdate = true
+      this._cache[srcUrl] = texture
+      return Promise.resolve(texture)
+    }
+
     return new Promise<Texture>((resolve, reject) => {
       const loader = Assets.getLoader(srcUrl, assetType)
       if (loader) {