feat: start impl of skin normalization on frontend

apps/app-frontend/src/helpers/rendering/batch-skin-renderer.ts

@@ -1,5 +1,5 @@
 import * as THREE from 'three'
-import type { Skin, Cape } from '../skins'
+import {Skin, Cape, normalize_skin_texture, get_normalized_skin_texture_url} from '../skins'
 import { determineModelType } from '../skins'
 import { reactive } from 'vue'
 import { setupSkinModel, disposeCaches } from '@modrinth/utils'
@@ -185,7 +185,7 @@ export async function generateSkinPreviews(skins: Skin[], capes: Cape[]): Promis
       const modelUrl = getModelUrlForVariant(variant)
       const cape: Cape | undefined = capes.find((_cape) => _cape.id === skin.cape_id)
       const renderResult = await renderer.renderSkin(
-        skin.texture,
+        await get_normalized_skin_texture_url(skin),
         modelUrl,
         cape?.texture,
         capeModelUrl,

apps/app-frontend/src/helpers/skins.ts

@@ -142,6 +142,15 @@ export async function remove_custom_skin(skin: Skin): Promise<void> {
   })
 }
 
+export async function get_normalized_skin_texture_url(skin: Skin): Promise<string> {
+  const bytes: Uint8Array = await normalize_skin_texture(skin);
+  return `data:image/png;base64,` + Buffer.from(bytes).toString("base64");
+}
+
+export async function normalize_skin_texture(skin: Skin): Promise<Uint8Array> {
+  return await invoke('plugin:minecraft-skins|normalize_skin_texture', { skin })
+}
+
 export async function unequip_skin(): Promise<void> {
   await invoke('plugin:minecraft-skins|unequip_skin')
 }