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include both!

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This commit is contained in:
Mike 2020-06-09 16:37:53 -07:00
parent c9d228bf19
commit 1d283cfddd
1 changed files with 27 additions and 2 deletions
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29
zig-ecs/src/ecs/groups.zig
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@ -179,8 +179,33 @@ pub const OwningGroup = struct {
else => std.debug.assert("invalid func"),
};
var iter = self.iterator(Components);
while (iter.next()) |comps| {
// optionally we could just use an Interator here
// var iter = self.iterator(Components);
// while (iter.next()) |comps| {
// @call(.{ .modifier = .always_inline }, func, .{comps});
// }
const component_info = @typeInfo(Components).Struct;
// get the data pointers for the chunks
var component_ptrs: [component_info.fields.len][*]u8 = undefined;
inline for (component_info.fields) |field, i| {
const storage = self.registry.assure(field.field_type.Child);
component_ptrs[i] = @ptrCast([*]u8, storage.instances.items.ptr);
}
var storage = self.firstOwnedStorage();
var index: usize = 0;
while (index < self.group_data.current) : (index += 1) {
const ent = storage.set.dense.items[index];
const entity_index = storage.set.index(ent);
var comps: Components = undefined;
inline for (component_info.fields) |field, i| {
const typed_ptr = @ptrCast([*]field.field_type.Child, @alignCast(@alignOf(field.field_type.Child), component_ptrs[i]));
@field(comps, field.name) = &typed_ptr[entity_index];
}
@call(.{ .modifier = .always_inline }, func, .{comps});
}
}