Add 1.21.2 & 1.21.0 support

legacyver/legacypacket/add_actor.go

@@ -0,0 +1,76 @@
+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"
+)
+
+// AddActor is sent by the server to the client to spawn an entity to the player. It is used for every entity
+// except other players, for which the AddPlayer packet is used.
+type AddActor struct {
+	// EntityUniqueID is the unique ID of the entity. The unique ID is a value that remains consistent across
+	// different sessions of the same world, but most servers simply fill the runtime ID of the entity out for
+	// this field.
+	EntityUniqueID int64
+	// EntityRuntimeID is the runtime ID of the entity. The runtime ID is unique for each world session, and
+	// entities are generally identified in packets using this runtime ID.
+	EntityRuntimeID uint64
+	// EntityType is the string entity type of the entity, for example 'minecraft:skeleton'. A list of these
+	// entities may be found online.
+	EntityType string
+	// Position is the position to spawn the entity on. If the entity is on a distance that the player cannot
+	// see it, the entity will still show up if the player moves closer.
+	Position mgl32.Vec3
+	// Velocity is the initial velocity the entity spawns with. This velocity will initiate client side
+	// movement of the entity.
+	Velocity mgl32.Vec3
+	// Pitch is the vertical rotation of the entity. Facing straight forward yields a pitch of 0. Pitch is
+	// measured in degrees.
+	Pitch float32
+	// Yaw is the horizontal rotation of the entity. Yaw is also measured in degrees.
+	Yaw float32
+	// HeadYaw is the same as Yaw, except that it applies specifically to the head of the entity. A different value for
+	// HeadYaw than Yaw means that the entity will have its head turned.
+	HeadYaw float32
+	// BodyYaw is the same as Yaw, except that it applies specifically to the body of the entity. A different value for
+	// BodyYaw than HeadYaw means that the entity will have its body turned, although it is unclear what the difference
+	// between BodyYaw and Yaw is.
+	BodyYaw float32
+	// Attributes is a slice of attributes that the entity has. It includes attributes such as its health,
+	// movement speed, etc.
+	Attributes []protocol.AttributeValue
+	// EntityMetadata is a map of entity metadata, which includes flags and data properties that alter in
+	// particular the way the entity looks. Flags include ones such as 'on fire' and 'sprinting'.
+	// The metadata values are indexed by their property key.
+	EntityMetadata map[uint32]any
+	// EntityProperties is a list of properties that the entity inhibits. These properties define and alter specific
+	// attributes of the entity.
+	EntityProperties protocol.EntityProperties
+	// EntityLinks is a list of entity links that are currently active on the entity. These links alter the
+	// way the entity shows up when first spawned in terms of it shown as riding an entity. Setting these
+	// links is important for new viewers to see the entity is riding another entity.
+	EntityLinks []proto.EntityLink
+}
+
+// ID ...
+func (*AddActor) ID() uint32 {
+	return packet.IDAddActor
+}
+
+func (pk *AddActor) Marshal(io protocol.IO) {
+	io.Varint64(&pk.EntityUniqueID)
+	io.Varuint64(&pk.EntityRuntimeID)
+	io.String(&pk.EntityType)
+	io.Vec3(&pk.Position)
+	io.Vec3(&pk.Velocity)
+	io.Float32(&pk.Pitch)
+	io.Float32(&pk.Yaw)
+	io.Float32(&pk.HeadYaw)
+	io.Float32(&pk.BodyYaw)
+	protocol.Slice(io, &pk.Attributes)
+	io.EntityMetadata(&pk.EntityMetadata)
+	protocol.Single(io, &pk.EntityProperties)
+	protocol.Slice(io, &pk.EntityLinks)
+}