feat: Add validation for required fields in fbs files (#11429)

Author: Weijun-H

crates/build/re_types_builder/src/objects.rs

@@ -961,6 +961,10 @@ impl ObjectField {
             .unwrap();
         let filepath = filepath_from_declaration_file(include_dir_path, &virtpath);
 
+        if field.required() {
+            reporter.error(&virtpath, &fqname, "required fields should not be used");
+        }
+
         let docs = Docs::from_raw_docs(reporter, &virtpath, field.name(), field.documentation());
 
         let attrs = Attributes::from_raw_attrs(field.attributes());

crates/store/re_types/definitions/rerun/archetypes/asset_video.fbs

@@ -19,7 +19,7 @@ table AssetVideo (
   // --- Required ---
 
   /// The asset's bytes.
-  blob: rerun.components.Blob ("attr.rerun.component_required", required, order: 1000);
+  blob: rerun.components.Blob ("attr.rerun.component_required", order: 1000);
 
   // --- Recommended ---
 

crates/store/re_types/definitions/rerun/archetypes/bar_chart.fbs

@@ -16,7 +16,7 @@ table BarChart (
   // --- Required ---
 
   /// The values. Should always be a 1-dimensional tensor (i.e. a vector).
-  values: rerun.components.TensorData ("attr.rerun.component_required", required, order: 1000);
+  values: rerun.components.TensorData ("attr.rerun.component_required", order: 1000);
 
   // --- Optional ---
 

crates/store/re_types/definitions/rerun/archetypes/pinhole.fbs

@@ -14,7 +14,7 @@ table Pinhole (
   // --- Required ---
 
   /// Camera projection, from image coordinates to view coordinates.
-  image_from_camera: rerun.components.PinholeProjection ("attr.rerun.component_required", required, order: 1000);
+  image_from_camera: rerun.components.PinholeProjection ("attr.rerun.component_required", order: 1000);
 
   // --- Recommended ---
 

crates/store/re_types/definitions/rerun/archetypes/video_frame_reference.fbs

@@ -26,7 +26,7 @@ table VideoFrameReference (
     /// Timestamps are relative to the start of the video, i.e. a timestamp of 0 always corresponds to the first frame.
     /// This is oftentimes equivalent to presentation timestamps (known as PTS), but in the presence of B-frames
     /// (bidirectionally predicted frames) there may be an offset on the first presentation timestamp in the video.
-    timestamp: rerun.components.VideoTimestamp ("attr.rerun.component_required", required, order: 1000);
+    timestamp: rerun.components.VideoTimestamp ("attr.rerun.component_required", order: 1000);
 
     // --- Optional ---
 

crates/store/re_types/definitions/rerun/archetypes/view_coordinates.fbs

@@ -24,5 +24,5 @@ table ViewCoordinates (
   "attr.rust.repr": "transparent"
 ) {
   /// The directions of the [x, y, z] axes.
-  xyz: rerun.components.ViewCoordinates ("attr.rerun.component_required", required, order: 1000);
+  xyz: rerun.components.ViewCoordinates ("attr.rerun.component_required", order: 1000);
 }