parry3d_f64/shape/voxels/
voxels_sizeof.rs

1use super::{Voxels, VoxelsChunk, VoxelsChunkHeader};
2use crate::math::IVector;
3
4impl Voxels {
5    // TODO: support a crate like get_size2 (will require support on nalgebra too)?
6    /// An approximation of the memory usage (in bytes) for this struct plus
7    /// the memory it allocates dynamically.
8    pub fn total_memory_size(&self) -> usize {
9        size_of::<Self>() + self.heap_memory_size()
10    }
11
12    /// An approximation of the memory dynamically-allocated by this struct.
13    pub fn heap_memory_size(&self) -> usize {
14        // NOTE: if a new field is added to `Self`, adjust this function result.
15        let Self {
16            chunk_bvh,
17            chunk_headers,
18            chunks,
19            free_chunks,
20            chunk_keys,
21            voxel_size: _,
22        } = self;
23        chunks.capacity() * size_of::<VoxelsChunk>()
24            + free_chunks.capacity() * size_of::<usize>()
25            + chunk_keys.capacity() * size_of::<IVector>()
26            + chunk_headers.capacity() * (size_of::<VoxelsChunkHeader>() + size_of::<IVector>())
27            + chunk_bvh.heap_memory_size()
28    }
29}