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BugFix: Archetype grow with defferent size. (#930)

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Co-authored-by: heshuai <heshuai@163.com>
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RiskLove 2020-11-28 03:55:55 +08:00 • committed by GitHub
parent 12f29bd38c
commit 7d4cb70d92
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1 changed files with 4 additions and 4 deletions
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8
crates/bevy_ecs/src/core/archetype.rs
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@ -272,9 +272,9 @@ impl Archetype {
fn grow(&mut self, increment: usize) { fn grow(&mut self, increment: usize) {
unsafe { unsafe {
let old_count = self.len; let old_count = self.len;
let count = old_count + increment; let new_capacity = self.capacity() + increment;
self.entities.resize( self.entities.resize(
self.entities.len() + increment, new_capacity,
Entity { Entity {
id: u32::MAX, id: u32::MAX,
generation: u32::MAX, generation: u32::MAX,
@ -284,7 +284,7 @@ impl Archetype {
for type_state in self.state.values_mut() { for type_state in self.state.values_mut() {
type_state type_state
.component_flags .component_flags
.resize_with(count, ComponentFlags::empty); .resize_with(new_capacity, ComponentFlags::empty);
} }
let old_data_size = mem::replace(&mut self.data_size, 0); let old_data_size = mem::replace(&mut self.data_size, 0);
@ -294,7 +294,7 @@ impl Archetype {
let ty_state = self.state.get_mut(&ty.id).unwrap(); let ty_state = self.state.get_mut(&ty.id).unwrap();
old_offsets.push(ty_state.offset); old_offsets.push(ty_state.offset);
ty_state.offset = self.data_size; ty_state.offset = self.data_size;
self.data_size += ty.layout.size() * count; self.data_size += ty.layout.size() * new_capacity;
} }
let new_data = if self.data_size == 0 { let new_data = if self.data_size == 0 {
NonNull::dangling() NonNull::dangling()