Files
go-mc/registry/registry.go
2024-06-16 02:22:10 +08:00

56 lines
1.1 KiB
Go

package registry
import "github.com/Tnze/go-mc/nbt"
type Registry[E any] struct {
Type string `nbt:"type"`
Value []Entry[E] `nbt:"value"`
}
type Entry[E any] struct {
Name string `nbt:"name"`
ID int32 `nbt:"id"`
Element E `nbt:"element"`
}
func (r *Registry[E]) Find(name string) (int32, *E) {
for i := range r.Value {
if r.Value[i].Name == name {
return int32(i), &r.Value[i].Element
}
}
return -1, nil
}
func (r *Registry[E]) FindByID(id int32) *E {
if id >= 0 && id < int32(len(r.Value)) && r.Value[id].ID == id {
return &r.Value[id].Element
}
for i := range r.Value {
if r.Value[i].ID == id {
return &r.Value[i].Element
}
}
return nil
}
func (r *Registry[E]) Insert(name string, data E) {
entry := Entry[E]{
Name: name,
ID: int32(len(r.Value)),
Element: data,
}
r.Value = append(r.Value, entry)
}
func (r *Registry[E]) InsertWithNBT(name string, data nbt.RawMessage) error {
var elem E
if data.Type != 0 {
if err := data.UnmarshalDisallowUnknownField(&elem); err != nil {
return err
}
}
r.Insert(name, elem)
return nil
}