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use crate::utils::MaybeSerializableData;
#[cfg(feature = "serde-serialize")]
use num_derive::FromPrimitive;
#[derive(Copy, Clone, Debug, FromPrimitive)]
#[cfg(feature = "serde-serialize")]
pub(super) enum WorkspaceSerializationTag {
TriMeshShapeContactManifoldsWorkspace = 0,
HeightfieldShapeContactManifoldsWorkspace,
HeightfieldCompositeShapeContactManifoldsWorkspace,
CompositeShapeCompositeShapeContactManifoldsWorkspace,
CompositeShapeShapeContactManifoldsWorkspace,
}
pub struct ContactManifoldsWorkspace(pub Box<dyn MaybeSerializableData>);
impl Clone for ContactManifoldsWorkspace {
fn clone(&self) -> Self {
ContactManifoldsWorkspace(self.0.clone_dyn())
}
}
impl<T: MaybeSerializableData> From<T> for ContactManifoldsWorkspace {
fn from(data: T) -> Self {
Self(Box::new(data) as Box<dyn MaybeSerializableData>)
}
}
#[cfg(feature = "serde-serialize")]
impl serde::Serialize for ContactManifoldsWorkspace {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
use crate::serde::ser::SerializeStruct;
if let Some((tag, ser)) = self.0.as_serialize() {
let mut state = serializer.serialize_struct("ContactManifoldsWorkspace", 2)?;
state.serialize_field("tag", &tag)?;
state.serialize_field("inner", ser)?;
state.end()
} else {
Err(serde::ser::Error::custom(
"Found a non-serializable contact generator workspace.",
))
}
}
}
#[cfg(feature = "serde-serialize")]
impl<'de> serde::Deserialize<'de> for ContactManifoldsWorkspace {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
use super::{
CompositeShapeCompositeShapeContactManifoldsWorkspace,
CompositeShapeShapeContactManifoldsWorkspace,
HeightFieldCompositeShapeContactManifoldsWorkspace,
HeightFieldShapeContactManifoldsWorkspace, TriMeshShapeContactManifoldsWorkspace,
};
struct Visitor {};
impl<'de> serde::de::Visitor<'de> for Visitor {
type Value = ContactManifoldsWorkspace;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(formatter, "one shape type tag and the inner shape data")
}
fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>
where
A: serde::de::SeqAccess<'de>,
{
use num::cast::FromPrimitive;
let tag: u32 = seq
.next_element()?
.ok_or_else(|| serde::de::Error::invalid_length(0, &self))?;
fn deser<'de, A, S: MaybeSerializableData + serde::Deserialize<'de>>(
seq: &mut A,
) -> Result<Box<dyn MaybeSerializableData>, A::Error>
where
A: serde::de::SeqAccess<'de>,
{
let workspace: S = seq.next_element()?.ok_or_else(|| {
serde::de::Error::custom("Failed to deserialize builtin workspace.")
})?;
Ok(Box::new(workspace) as Box<dyn MaybeSerializableData>)
}
let workspace = match WorkspaceSerializationTag::from_u32(tag) {
Some(WorkspaceSerializationTag::HeightfieldShapeContactManifoldsWorkspace) => {
deser::<A, HeightFieldShapeContactManifoldsWorkspace>(&mut seq)?
}
Some(WorkspaceSerializationTag::HeightfieldCompositeShapeContactManifoldsWorkspace) => {
deser::<A, HeightFieldCompositeShapeContactManifoldsWorkspace>(&mut seq)?
}
Some(WorkspaceSerializationTag::TriMeshShapeContactManifoldsWorkspace) => {
deser::<A, TriMeshShapeContactManifoldsWorkspace>(&mut seq)?
}
Some(WorkspaceSerializationTag::CompositeShapeCompositeShapeContactManifoldsWorkspace) => {
deser::<A, CompositeShapeCompositeShapeContactManifoldsWorkspace>(&mut seq)?
}
Some(WorkspaceSerializationTag::CompositeShapeShapeContactManifoldsWorkspace) => {
deser::<A, CompositeShapeShapeContactManifoldsWorkspace>(&mut seq)?
}
None => {
return Err(serde::de::Error::custom(
"found invalid contact generator workspace type to deserialize",
))
}
};
Ok(ContactManifoldsWorkspace(workspace))
}
}
deserializer.deserialize_struct("ContactManifoldsWorkspace", &["tag", "inner"], Visitor {})
}
}