1.19.2 chat support

registry/registry.go

@@ -0,0 +1,31 @@
+package registry
+
+type Registry[E any] struct {
+	Type  string `nbt:"type"`
+	Value []struct {
+		Name    string `nbt:"name"`
+		ID      int32  `nbt:"id"`
+		Element E      `nbt:"element"`
+	} `nbt:"value"`
+}
+
+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
+}