auto reapply textures when selecting texture

test/block-requirements.test.js

@@ -34,7 +34,12 @@ function harness() {
   class Cube {
     static all = [];
     static preview_controller = {
-      on(names, listener) { for (const name of names.split(' ')) previewEvents.set(name, listener); },
+      on(names, listener) {
+        for (const name of names.split(' ')) {
+          const previous = previewEvents.get(name);
+          previewEvents.set(name, (event) => { previous?.(event); listener(event); });
+        }
+      },
     };
     constructor(data) {
       Object.assign(this, data, { uuid: `cube-${++sequence}`, mesh: {},

test/uv-normalization.test.js

@@ -8,7 +8,7 @@ const vm = require('node:vm');
 function harness() {
   const source = fs.readFileSync(path.join(__dirname, '..', 'AnimationDirector.js'), 'utf8').replace(
     '  Plugin.register(PLUGIN_ID, {',
-    '  globalThis.uvTest = { normalizeActorUvs, expandProjectUvs, scaleCubeUvs, getActorUvBasis, tryLoadImportedActorTexture, applyActorTexturePreview, importGeometryIntoCurrentProject, applyAllActorTexturePreviews, setProjectActorTextures, setProjectBoneTextureOverrides };\n  Plugin.register(PLUGIN_ID, {'
+    '  globalThis.uvTest = { normalizeActorUvs, expandProjectUvs, scaleCubeUvs, getActorUvBasis, tryLoadImportedActorTexture, applyActorTexturePreview, importGeometryIntoCurrentProject, applyAllActorTexturePreviews, setProjectActorTextures, setProjectBoneTextureOverrides, restoreActorTextureMaterial };\n  Plugin.register(PLUGIN_ID, {'
   );
   class Group {
     static all = [];
@@ -69,6 +69,35 @@ test('growing the project UV canvas preserves other actors and converts box UVs'
   assert.deepEqual(Array.from(actor1.faces.north.uv), [0, 0, 64, 16], 'Repeated refreshes must not rescale UVs');
 });
 
+test('preview material rebuild restores actor overrides without modifying faces or UVs', () => {
+  const h = harness(), cube = new h.Cube('actor1_body');
+  const material = {}, replacement = {};
+  new h.Texture({ name: 'actor.png', material }).add();
+  h.setProjectActorTextures({ 1: 'actor.png' });
+  cube.mesh = { material: replacement };
+  const before = JSON.stringify(cube.faces);
+  h.restoreActorTextureMaterial({ element: cube });
+  assert.equal(cube.mesh.material, material);
+  assert.equal(JSON.stringify(cube.faces), before);
+  const other = new h.Cube('actor2_body');
+  other.mesh = { material: replacement };
+  h.restoreActorTextureMaterial({ element: other });
+  assert.equal(other.mesh.material, replacement);
+});
+
+test('folder overrides take priority when restoring preview materials', () => {
+  const h = harness(), cube = new h.Cube('actor1_body');
+  const actorMaterial = {}, folderMaterial = {};
+  new h.Texture({ name: 'actor.png', material: actorMaterial }).add();
+  new h.Texture({ name: 'folder.png', material: folderMaterial }).add();
+  cube.parent = new h.context.Group({ name: 'actor1_details', uuid: 'details' });
+  cube.mesh = { material: {} };
+  h.setProjectActorTextures({ 1: 'actor.png' });
+  h.setProjectBoneTextureOverrides({ details: { uuid: 'details', name: 'actor1_details', texture: 'folder.png' } });
+  h.restoreActorTextureMaterial({ element: cube });
+  assert.equal(cube.mesh.material, folderMaterial);
+});
+
 test('non-GeckoLib projects keep UVs, canvas dimensions and box UV mode while still assigning textures', () => {
   for (const format of ['optifine_entity', 'optifine_part', 'bedrock', 'free', 'java_block']) {
     const h = harness(), cube = new h.Cube('actor1_body', true);