1.21.120 support

legacyver/legacypacket/animate.go

@@ -0,0 +1,43 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// Animate is sent by the server to send a player animation from one player to all viewers of that player. It
+// is used for a couple of actions, such as arm swimming and critical hits.
+type Animate struct {
+	// ActionType is the ID of the animation action to execute. It is one of the action type constants that
+	// may be found above.
+	ActionType int32
+	// EntityRuntimeID is the runtime ID of the player that the animation should be played upon. The runtime
+	// ID is unique for each world session, and entities are generally identified in packets using this
+	// runtime ID.
+	EntityRuntimeID uint64
+	// Data ...
+	Data float32
+	// RowingTime is the time for rowing actions.
+	RowingTime float32
+}
+
+// ID ...
+func (*Animate) ID() uint32 {
+	return packet.IDAnimate
+}
+
+func (pk *Animate) Marshal(io protocol.IO) {
+	io.Varint32(&pk.ActionType)
+	io.Varuint64(&pk.EntityRuntimeID)
+	if proto.IsProtoGTE(io, proto.ID859) {
+		io.Float32(&pk.Data)
+		if pk.ActionType == packet.AnimateActionRowLeft || pk.ActionType == packet.AnimateActionRowRight {
+			io.Float32(&pk.RowingTime)
+		}
+	} else {
+		if pk.ActionType&0x80 != 0 {
+			io.Float32(&pk.RowingTime)
+		}
+	}
+}

legacyver/legacypacket/camera_instruction.go

@@ -20,6 +20,12 @@ type CameraInstruction struct {
 	RemoveTarget protocol.Optional[bool]
 	// FieldOfView is a camera instruction that updates the field of view for the camera.
 	FieldOfView protocol.Optional[protocol.CameraInstructionFieldOfView]
+	// Spline is a camera instruction that creates a spline path for the camera to follow.
+	Spline protocol.Optional[protocol.CameraSplineInstruction]
+	// AttachToEntity is the entity ID to attach the camera to.
+	AttachToEntity protocol.Optional[int64]
+	// DetachFromEntity can be set to true to detach the camera from the current entity.
+	DetachFromEntity protocol.Optional[bool]
 }
 
 // ID ...
@@ -38,4 +44,9 @@ func (pk *CameraInstruction) Marshal(io protocol.IO) {
 	if proto.IsProtoGTE(io, proto.ID827) {
 		protocol.OptionalMarshaler(io, &pk.FieldOfView)
 	}
+	if proto.IsProtoGTE(io, proto.ID859) {
+		protocol.OptionalMarshaler(io, &pk.Spline)
+		protocol.OptionalFunc(io, &pk.AttachToEntity, io.Int64)
+		protocol.OptionalFunc(io, &pk.DetachFromEntity, io.Bool)
+	}
 }

legacyver/legacypacket/command_block_update.go

@@ -55,7 +55,7 @@ type CommandBlockUpdate struct {
 	ShouldTrackOutput bool
 	// TickDelay is the delay in ticks between executions of a command block, if it is a repeating command
 	// block.
-	TickDelay int32
+	TickDelay uint32
 	// ExecuteOnFirstTick specifies if the command block should execute on the first tick, AKA as soon as the
 	// command block is enabled.
 	ExecuteOnFirstTick bool
@@ -83,6 +83,6 @@ func (pk *CommandBlockUpdate) Marshal(io protocol.IO) {
 		io.String(&pk.FilteredName)
 	}
 	io.Bool(&pk.ShouldTrackOutput)
-	io.Int32(&pk.TickDelay)
+	io.Uint32(&pk.TickDelay)
 	io.Bool(&pk.ExecuteOnFirstTick)
 }

legacyver/legacypacket/start_game.go

@@ -175,7 +175,7 @@ type StartGame struct {
 	EducationSharedResourceURI protocol.EducationSharedResourceURI
 	// ForceExperimentalGameplay specifies if experimental gameplay should be force enabled. For servers this
 	// should always be set to false.
-	ForceExperimentalGameplay protocol.Optional[bool]
+	ForceExperimentalGameplay bool
 	// LevelID is a base64 encoded world ID that is used to identify the world.
 	LevelID string
 	// WorldName is the name of the world that the player is joining. Note that this field shows up above the
@@ -306,7 +306,7 @@ func (pk *StartGame) Marshal(io protocol.IO) {
 	io.Int32(&pk.LimitedWorldDepth)
 	io.Bool(&pk.NewNether)
 	protocol.Single(io, &pk.EducationSharedResourceURI)
-	protocol.OptionalFunc(io, &pk.ForceExperimentalGameplay, io.Bool)
+	io.Bool(&pk.ForceExperimentalGameplay)
 	io.Uint8(&pk.ChatRestrictionLevel)
 	io.Bool(&pk.DisablePlayerInteractions)
 	if proto.IsProtoGTE(io, proto.ID685) {