Fix 2D compilation.

src/data/hashmap.rs

@@ -51,10 +51,10 @@ pub fn deserialize_hashmap_capacity<
  */
 #[cfg(feature = "enhanced-determinism")]
 pub type FxHashMap32<K, V> = indexmap::IndexMap<K, V, std::hash::BuildHasherDefault<FxHasher32>>;
-#[cfg(not(feature = "enhanced-determinism"))]
-pub use rustc_hash::{Entry, FxHashMap as HashMap};
 #[cfg(feature = "enhanced-determinism")]
 pub use {self::FxHashMap32 as HashMap, indexmap::map::Entry};
+#[cfg(not(feature = "enhanced-determinism"))]
+pub use {rustc_hash::FxHashMap as HashMap, std::collections::hash_map::Entry};
 
 const K: u32 = 0x9e3779b9;
 

src/geometry/contact_generator/contact_generator.rs

@@ -84,7 +84,7 @@ impl ContactPhase {
                 let mut manifold_arr: ArrayVec<[&mut ContactManifold; SIMD_WIDTH]> =
                     ArrayVec::new();
                 let mut workspace_arr: ArrayVec<
-                    [Option<&mut (dyn Any + Send + Sync)>; SIMD_WIDTH],
+                    [Option<&mut (dyn MaybeSerializableData)>; SIMD_WIDTH],
                 > = ArrayVec::new();
 
                 for (pair, solver_flags) in

src/geometry/contact_generator/contact_generator_workspace.rs

@@ -1,7 +1,9 @@
 use crate::data::MaybeSerializableData;
+#[cfg(feature = "dim3")]
+use crate::geometry::contact_generator::PfmPfmContactManifoldGeneratorWorkspace;
 use crate::geometry::contact_generator::{
-    HeightFieldShapeContactGeneratorWorkspace, PfmPfmContactManifoldGeneratorWorkspace,
-    TrimeshShapeContactGeneratorWorkspace, WorkspaceSerializationTag,
+    HeightFieldShapeContactGeneratorWorkspace, TrimeshShapeContactGeneratorWorkspace,
+    WorkspaceSerializationTag,
 };
 
 // Note we have this newtype because it simplifies the serialization/deserialization code.
@@ -76,6 +78,7 @@ impl<'de> serde::Deserialize<'de> for ContactGeneratorWorkspace {
                     Some(WorkspaceSerializationTag::TrimeshShapeContactGeneratorWorkspace) => {
                         deser::<A, TrimeshShapeContactGeneratorWorkspace>(&mut seq)?
                     }
+                    #[cfg(feature = "dim3")]
                     Some(WorkspaceSerializationTag::PfmPfmContactGeneratorWorkspace) => {
                         deser::<A, PfmPfmContactManifoldGeneratorWorkspace>(&mut seq)?
                     }

src/geometry/contact_generator/heightfield_shape_contact_generator.rs

@@ -8,6 +8,7 @@ use crate::geometry::contact_generator::{
 use crate::geometry::Capsule;
 use crate::geometry::{Collider, ContactManifold, HeightField, Shape};
 use crate::ncollide::bounding_volume::BoundingVolume;
+#[cfg(feature = "serde-serialize")]
 use erased_serde::Serialize;
 
 #[cfg_attr(feature = "serde-serialize", derive(Serialize, Deserialize))]

src/geometry/contact_generator/serializable_workspace_tag.rs

@@ -3,6 +3,7 @@ use num_derive::FromPrimitive;
 #[derive(Copy, Clone, Debug, FromPrimitive)]
 pub(super) enum WorkspaceSerializationTag {
     TrimeshShapeContactGeneratorWorkspace = 0,
+    #[cfg(feature = "dim3")]
     PfmPfmContactGeneratorWorkspace,
     HeightfieldShapeContactGeneratorWorkspace,
 }