Revert moved function, update core plugins

Author: gkjohnson

src/core/plugins/SUBTREELoader.js

@@ -2,7 +2,9 @@
  * Structure almost identical to Cesium, also the comments and the names are kept
  * https://github.com/CesiumGS/cesium/blob/0a69f67b393ba194eefb7254600811c4b712ddc0/packages/engine/Source/Scene/Implicit3DTileContent.js
  */
-import { LoaderBase } from '../renderer/loaders/LoaderBase.js';
+import { LoaderBase } from '3d-tiles-renderer/core';
+
+// TODO
 import { readMagicBytes } from '../renderer/utilities/readMagicBytes.js';
 import { arrayToString } from '../renderer/utilities/arrayToString.js';
 

src/core/plugins/loaders/QuantizedMeshLoaderBase.js

@@ -1,4 +1,4 @@
-import { LoaderBase } from '../../renderer/loaders/LoaderBase.js';
+import { LoaderBase } from '3d-tiles-renderer/core';
 
 export function zigZagDecode( value ) {
 

src/core/renderer/tiles/traverseFunctions.js

@@ -509,3 +509,26 @@ export function toggleTiles( tile, renderer ) {
 
 }
 
+
+// Traverses the ancestry of the tile up to the root tile.
+export function traverseAncestors( tile, callback = null ) {
+
+	let current = tile;
+
+	while ( current ) {
+
+		const depth = current.__depth;
+		const parent = current.parent;
+
+		if ( callback ) {
+
+			callback( current, parent, depth );
+
+		}
+
+		current = parent;
+
+	}
+
+
+}

src/three/plugins/DebugTilesPlugin.js

@@ -1,6 +1,7 @@
 import { Box3Helper, Group, MeshStandardMaterial, PointsMaterial, Sphere, Color, MeshBasicMaterial } from 'three';
 import { SphereHelper } from './objects/SphereHelper.js';
 import { EllipsoidRegionLineHelper } from './objects/EllipsoidRegionHelper.js';
+import { traverseAncestors } from '../../core/renderer/tiles/traverseFunctions.js';
 
 const ORIGINAL_MATERIAL = Symbol( 'ORIGINAL_MATERIAL' );
 const HAS_RANDOM_COLOR = Symbol( 'HAS_RANDOM_COLOR' );
@@ -28,23 +29,6 @@ function getIndexedRandomColor( index ) {
 
 }
 
-// Traverses the ancestry of the tile up to the root tile.
-function traverseAncestors( tile, callback ) {
-
-	let current = tile;
-
-	while ( current ) {
-
-		const depth = current.__depth;
-		const parent = current.parent;
-		callback( current, parent, depth );
-
-		current = parent;
-
-	}
-
-}
-
 // color modes
 const NONE = 0;
 const SCREEN_ERROR = 1;