1.21.60 support

legacyver/proto/item.go

@@ -0,0 +1,92 @@
+package proto
+
+import (
+	"github.com/sandertv/gophertunnel/minecraft/nbt"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+)
+
+// LegacyItemRegistryEntry is an item sent in the StartGame item table. It holds a name and a legacy ID, which is used to
+// point back to that name.
+type LegacyItemRegistryEntry struct {
+	// Name if the name of the item, which is a name like 'minecraft:stick'.
+	Name string
+	// RuntimeID is the ID that is used to identify the item over network. After sending all items in the
+	// StartGame packet, items will then be identified using these numerical IDs.
+	RuntimeID int16
+	// ComponentBased specifies if the item was created using components, meaning the item is a custom item.
+	ComponentBased bool
+}
+
+// Marshal encodes/decodes an LegacyItemRegistryEntry.
+func (x *LegacyItemRegistryEntry) Marshal(r protocol.IO) {
+	r.String(&x.Name)
+	r.Int16(&x.RuntimeID)
+	r.Bool(&x.ComponentBased)
+}
+
+// FromLatest ...
+func (x *LegacyItemRegistryEntry) FromLatest(y protocol.ItemEntry) LegacyItemRegistryEntry {
+	x.Name = y.Name
+	x.RuntimeID = y.RuntimeID
+	x.ComponentBased = y.ComponentBased
+	return *x
+}
+
+// ToLatest ...
+func (x *LegacyItemRegistryEntry) ToLatest() protocol.ItemEntry {
+	return protocol.ItemEntry{
+		Name:           x.Name,
+		RuntimeID:      x.RuntimeID,
+		ComponentBased: x.ComponentBased,
+		Version:        2,
+	}
+}
+
+// ItemEntry is an item sent in the StartGame item table. It holds a name and a legacy ID, which is used to
+// point back to that name.
+type ItemEntry struct {
+	// Name if the name of the item, which is a name like 'minecraft:stick'.
+	Name string
+	// RuntimeID is the ID that is used to identify the item over network. After sending all items in the
+	// StartGame packet, items will then be identified using these numerical IDs.
+	RuntimeID int16
+	// ComponentBased specifies if the item was created using components, meaning the item is a custom item.
+	ComponentBased bool
+	// Version is the version of the item entry which is used by the client to determine how to handle the
+	// item entry. It is one of the constants above.
+	Version int32
+	// Data is a map containing the components and properties of the item, if the item is component based.
+	Data map[string]any
+}
+
+// ToLatest ...
+func (x *ItemEntry) ToLatest() protocol.ItemEntry {
+	return protocol.ItemEntry{
+		Name:           x.Name,
+		RuntimeID:      x.RuntimeID,
+		ComponentBased: x.ComponentBased,
+		Version:        x.Version,
+		Data:           x.Data,
+	}
+}
+
+// FromLatest ...
+func (x *ItemEntry) FromLatest(y protocol.ItemEntry) ItemEntry {
+	x.Name = y.Name
+	x.RuntimeID = y.RuntimeID
+	x.ComponentBased = y.ComponentBased
+	x.Version = y.Version
+	x.Data = y.Data
+	return *x
+}
+
+// Marshal encodes/decodes an ItemEntry.
+func (x *ItemEntry) Marshal(r protocol.IO) {
+	r.String(&x.Name)
+	if IsProtoGTE(r, ID776) {
+		r.Int16(&x.RuntimeID)
+		r.Bool(&x.ComponentBased)
+		r.Varint32(&x.Version)
+	}
+	r.NBT(&x.Data, nbt.NetworkLittleEndian)
+}