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bytes: impl for Vec<T>

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This commit is contained in:
Carter Anderson 2020-06-03 11:12:39 -07:00
parent 97142a68d1
commit d65a2c783d
1 changed files with 16 additions and 2 deletions
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18
crates/bevy_core/src/bytes.rs
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@ -43,7 +43,7 @@ where
}
}
unsafe impl<T> Byteable for [T] where Self: Sized {}
unsafe impl<T> Byteable for [T] where Self: Sized, T: Byteable {}
unsafe impl<T> Byteable for [T; 2] where T: Byteable {}
unsafe impl<T> Byteable for [T; 3] where T: Byteable {}
unsafe impl<T> Byteable for [T; 4] where T: Byteable {}
@ -78,7 +78,8 @@ impl Bytes for Vec3 {
array.write_bytes(buffer);
}
fn byte_len(&self) -> usize {
std::mem::size_of::<Self>()
// cant use self here because Vec3 is a simd type / technically a vec4
std::mem::size_of::<[f32;3]>()
}
}
@ -115,3 +116,16 @@ where
self.as_ref().map_or(0, |val| val.byte_len())
}
}
impl<T> Bytes for Vec<T>
where
T: Sized + Byteable,
{
fn write_bytes(&self, buffer: &mut [u8]) {
let bytes = self.as_slice().as_bytes();
buffer[0..self.byte_len()].copy_from_slice(bytes)
}
fn byte_len(&self) -> usize {
self.as_slice().as_bytes().len()
}
}