Rename Material to AlbedoFactor

crates/store/re_types/definitions/rerun/archetypes/mesh3d.fbs

@@ -42,8 +42,8 @@ table Mesh3D (
   /// An optional uv texture coordinate for each vertex.
   vertex_texcoords: [rerun.components.Texcoord2D] ("attr.rerun.component_optional", nullable, order: 3200);
 
-  /// Optional material properties for the mesh as a whole.
-  mesh_material: rerun.components.Material ("attr.rerun.component_optional", nullable, order: 3300);
+  /// A color multiplier applied to the whole mesh.
+  albedo_factor: rerun.components.AlbedoFactor ("attr.rerun.component_optional", nullable, order: 3300);
 
   /// Optional albedo texture.
   ///

crates/store/re_types/definitions/rerun/components.fbs

@@ -1,4 +1,5 @@
 include "./components/aggregation_policy.fbs";
+include "./components/albedo_factor.fbs";
 include "./components/annotation_context.fbs";
 include "./components/axis_length.fbs";
 include "./components/blob.fbs";
@@ -20,7 +21,6 @@ include "./components/line_strip3d.fbs";
 include "./components/magnification_filter.fbs";
 include "./components/marker_shape.fbs";
 include "./components/marker_size.fbs";
-include "./components/material.fbs";
 include "./components/media_type.fbs";
 include "./components/name.fbs";
 include "./components/opacity.fbs";

crates/store/re_types/definitions/rerun/components/albedo_factor.fbs

@@ -0,0 +1,19 @@
+include "arrow/attributes.fbs";
+include "python/attributes.fbs";
+include "rust/attributes.fbs";
+
+include "rerun/datatypes.fbs";
+include "rerun/attributes.fbs";
+
+namespace rerun.components;
+
+// ---
+
+/// A color multiplier, usually applied to a whole entity, e.g. a mesh.
+table AlbedoFactor (
+  "attr.rust.derive": "Copy, PartialEq, Eq, PartialOrd, Ord, Hash, bytemuck::Pod, bytemuck::Zeroable",
+  "attr.rust.repr": "transparent"
+) {
+  albedo_factor: rerun.datatypes.Rgba32 (order: 100);
+}
+

crates/store/re_types/definitions/rerun/datatypes.fbs

@@ -10,7 +10,6 @@ include "./datatypes/keypoint_id.fbs";
 include "./datatypes/keypoint_pair.fbs";
 include "./datatypes/mat3x3.fbs";
 include "./datatypes/mat4x4.fbs";
-include "./datatypes/material.fbs";
 include "./datatypes/quaternion.fbs";
 include "./datatypes/range1d.fbs";
 include "./datatypes/range2d.fbs";

crates/store/re_types/src/components/albedo_factor_ext.rs

@@ -0,0 +1,10 @@
+use crate::datatypes::Rgba32;
+
+use super::AlbedoFactor;
+
+impl Default for AlbedoFactor {
+    #[inline]
+    fn default() -> Self {
+        Self(Rgba32::WHITE)
+    }
+}