Experimental fastnbt library

nbt/fastnbt/update.go

@@ -0,0 +1,47 @@
+package fastnbt
+
+import "github.com/Tnze/go-mc/nbt"
+
+func (v *Value) Set(key string, val *Value) {
+	if v.tag != nbt.TagCompound {
+		panic("cannot set non-Compound Tag")
+	}
+	v.comp.Set(key, val)
+}
+
+func (v *Value) Get(keys ...string) *Value {
+	for _, key := range keys {
+		if v.tag == nbt.TagCompound {
+			v = v.comp.Get(key)
+			if v == nil {
+				return nil
+			}
+		} else {
+			return nil
+		}
+	}
+	return v
+}
+
+func (c *Compound) Set(key string, val *Value) {
+	for i := range c.kvs {
+		if c.kvs[i].tag == key {
+			c.kvs[i].v = val
+			return
+		}
+	}
+	c.kvs = append(c.kvs, kv{key, val})
+}
+
+func (c *Compound) Get(key string) *Value {
+	for _, tag := range c.kvs {
+		if tag.tag == key {
+			return tag.v
+		}
+	}
+	return nil
+}
+
+func (c *Compound) Len() int {
+	return len(c.kvs)
+}