First support 1.21.130

legacyver/legacypacket/interact.go

@@ -0,0 +1,40 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/go-gl/mathgl/mgl32"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// Interact is sent by the client when it interacts with another entity in some way. It used to be used for
+// normal entity and block interaction, but this is no longer the case now.
+type Interact struct {
+	// Action type is the ID of the action that was executed by the player. It is one of the constants that
+	// may be found above.
+	ActionType byte
+	// TargetEntityRuntimeID is the runtime ID of the entity that the player interacted with. This is empty
+	// for the InteractActionOpenInventory action type.
+	TargetEntityRuntimeID uint64
+	// Position associated with the ActionType above. For the InteractActionMouseOverEntity, this is the
+	// position relative to the entity moused over over which the player hovered with its mouse/touch. For the
+	// InteractActionLeaveVehicle, this is the position that the player spawns at after leaving the vehicle.
+	Position protocol.Optional[mgl32.Vec3]
+}
+
+// ID ...
+func (*Interact) ID() uint32 {
+	return packet.IDInteract
+}
+
+func (pk *Interact) Marshal(io protocol.IO) {
+	io.Uint8(&pk.ActionType)
+	io.Varuint64(&pk.TargetEntityRuntimeID)
+	if proto.IsProtoGTE(io, proto.ID898) {
+		protocol.OptionalFunc(io, &pk.Position, io.Vec3)
+	} else {
+		pos, _ := pk.Position.Value()
+		io.Vec3(&pos)
+		pk.Position = protocol.Option(pos)
+	}
+}