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ecs: fix appendUndefined() off-by-one error

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dweiller 2022-06-12 22:43:57 +10:00 • committed by Stephen Gutekanst
parent 3549f6bc4d
commit 390b8bd922
1 changed files with 2 additions and 1 deletions
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ecs/src/entities.zig
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@ -97,8 +97,9 @@ pub const ArchetypeStorage = struct {
pub fn appendUndefined(storage: *ArchetypeStorage, gpa: Allocator) !u32 { pub fn appendUndefined(storage: *ArchetypeStorage, gpa: Allocator) !u32 {
try storage.ensureUnusedCapacity(gpa, 1); try storage.ensureUnusedCapacity(gpa, 1);
assert(storage.len < storage.capacity); assert(storage.len < storage.capacity);
const row_index = storage.len;
storage.len += 1; storage.len += 1;
return storage.len; return row_index;
} }
pub fn append(storage: *ArchetypeStorage, gpa: Allocator, row: anytype) !u32 { pub fn append(storage: *ArchetypeStorage, gpa: Allocator, row: anytype) !u32 {