Merge branch 'main' into 3d-tiles-terrain

.slackbot.yml

@@ -1,12 +1,6 @@
 # List of Slack usernames (not GitHub) for the Cesium Concierge Slackbot to send release reminders for.
 releaseSchedule:
-  - ggetz, 2/1/2022
-  - eli, 3/1/2022
-  - sam.suhag, 4/1/2022
-  - ggetz, 5/2/2022
-  - sam.suhag, 6/1/2022
-  - ggetz, 7/1/2022
-  - sam.suhag, 8/1/2022
-  - ggetz, 9/1/2022
-  - sam.suhag, 10/3/2022
-  - ggetz, 11/1/2022
+  - ggetz, 1/2/2023
+  - jjhembd, 2/1/2023
+  - ggetz, 3/1/2023
+  - jjhembd, 4/3/2023

Apps/Sandcastle/gallery/development/Voxels.html

@@ -8,7 +8,7 @@
       content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
     />
     <meta name="description" content="For debugging voxels." />
-    <meta name="cesium-sandcastle-labels" content="Showcases" />
+    <meta name="cesium-sandcastle-labels" content="Development" />
     <title>Cesium Demo</title>
     <script type="text/javascript" src="../Sandcastle-header.js"></script>
     <script

packages/engine/Source/Scene/Cesium3DTilesVoxelProvider.js

@@ -14,6 +14,7 @@ import ImplicitSubtree from "./ImplicitSubtree.js";
 import ImplicitSubtreeCache from "./ImplicitSubtreeCache.js";
 import ImplicitTileCoordinates from "./ImplicitTileCoordinates.js";
 import ImplicitTileset from "./ImplicitTileset.js";
+import MetadataSemantic from "./MetadataSemantic.js";
 import MetadataType from "./MetadataType.js";
 import preprocess3DTileContent from "./preprocess3DTileContent.js";
 import ResourceCache from "./ResourceCache.js";
@@ -144,6 +145,7 @@ function Cesium3DTilesVoxelProvider(options) {
         that.dimensions = Cartesian3.unpack(voxel.dimensions);
         that.shapeTransform = shapeTransform;
         that.globalTransform = globalTransform;
+        that.maximumTileCount = getTileCount(metadata);
 
         let paddingBefore;
         let paddingAfter;
@@ -175,6 +177,16 @@ Object.defineProperties(Cesium3DTilesVoxelProvider.prototype, {
   },
 });
 
+function getTileCount(metadata) {
+  if (!defined(metadata.tileset)) {
+    return undefined;
+  }
+
+  return metadata.tileset.getPropertyBySemantic(
+    MetadataSemantic.TILESET_TILE_COUNT
+  );
+}
+
 function validate(tileset) {
   const root = tileset.root;
 

packages/engine/Source/Scene/MetadataSemantic.js

@@ -32,6 +32,14 @@ const MetadataSemantic = {
    * @private
    */
   DESCRIPTION: "DESCRIPTION",
+  /**
+   * The number of tiles in a tileset, stored as a <code>UINT64</code>.
+   *
+   * @type {String}
+   * @constant
+   * @private
+   */
+  TILESET_TILE_COUNT: "TILESET_TILE_COUNT",
   /**
    * A bounding box for a tile, stored as an array of 12 <code>FLOAT32</code> or <code>FLOAT64</code> components. The components are the same format as for <code>boundingVolume.box</code> in 3D Tiles 1.0. This semantic is used to provide a tighter bounding volume than the one implicitly calculated in implicit tiling.
    *