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warn and min for different vertex count #9699

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merged 5 commits into from
Sep 6, 2023
Merged

warn and min for different vertex count #9699

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58e2bea
warn and min for different vertex count
robtfm Sep 5, 2023
28581ca
limit buffer data to expected len
robtfm Sep 5, 2023
ca677d4
review comments
robtfm Sep 5, 2023
dc2fe8b
remove another panic comment
robtfm Sep 5, 2023
b86d08e
fmt
robtfm Sep 5, 2023
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12 changes: 8 additions & 4 deletions crates/bevy_render/src/mesh/mesh/mod.rs
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
mod conversions;
pub mod skinning;
use bevy_log::warn;
pub use wgpu::PrimitiveTopology;

use crate::{
Expand Down Expand Up @@ -330,10 +331,13 @@ impl Mesh {
for (attribute_id, attribute_data) in &self.attributes {
let attribute_len = attribute_data.values.len();
if let Some(previous_vertex_count) = vertex_count {
assert_eq!(previous_vertex_count, attribute_len,
"{attribute_id:?} has a different vertex count ({attribute_len}) than other attributes ({previous_vertex_count}) in this mesh.");
if previous_vertex_count != attribute_len {
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warn!("{attribute_id:?} has a different vertex count ({attribute_len}) than other attributes ({previous_vertex_count}) in this mesh.");
vertex_count = Some(std::cmp::min(previous_vertex_count, attribute_len));
}
} else {
vertex_count = Some(attribute_len);
}
vertex_count = Some(attribute_len);
}

vertex_count.unwrap_or(0)
Expand All @@ -356,7 +360,7 @@ impl Mesh {
let mut attributes_interleaved_buffer = vec![0; vertex_count * vertex_size];
// bundle into interleaved buffers
let mut attribute_offset = 0;
for attribute_data in self.attributes.values() {
for attribute_data in self.attributes.values().take(vertex_count) {
let attribute_size = attribute_data.attribute.format.get_size() as usize;
let attributes_bytes = attribute_data.values.get_bytes();
for (vertex_index, attribute_bytes) in
Expand Down