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This commit is contained in:
Mike 2020-06-11 22:34:25 -07:00
parent bdb4b0537d
commit ac17a79631
2 changed files with 8 additions and 2 deletions
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2
zig-ecs/src/ecs/utils.zig
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@ -49,7 +49,7 @@ pub fn ReverseSliceIterator(comptime T: type) type {
} }
/// sorts items using lessThan and keeps sub_items with the same sort /// sorts items using lessThan and keeps sub_items with the same sort
pub fn sortSub(comptime T1: type, comptime T2: type, items: []T1, sub_items: []T2, lessThan: fn (void, lhs: T1, rhs: T1) bool) void { pub fn sortSub(comptime T1: type, comptime T2: type, items: []T1, sub_items: []T2, comptime lessThan: fn (void, lhs: T1, rhs: T1) bool) void {
var i: usize = 1; var i: usize = 1;
while (i < items.len) : (i += 1) { while (i < items.len) : (i += 1) {
const x = items[i]; const x = items[i];

8
zig-ecs/src/ecs/views.zig
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@ -134,7 +134,13 @@ pub fn MultiView(comptime n_includes: usize, comptime n_excludes: usize) type {
sub_items[i] = store.len(); sub_items[i] = store.len();
} }
utils.sortSub(usize, u32, sub_items[0..], self.type_ids[0..], std.sort.asc(usize)); const asc_usize = struct {
fn sort(ctx: void, a: usize, b: usize) bool {
return a < b;
}
};
utils.sortSub(usize, u32, sub_items[0..], self.type_ids[0..], asc_usize.sort);
} }
pub fn iterator(self: *Self) Iterator { pub fn iterator(self: *Self) Iterator {