Add 1.20.70 & 1.20.60 support + Fix crafting issue (#9)

legacyver/legacypacket/resource_pack_stack.go

@@ -0,0 +1,52 @@
+package legacypacket
+
+import (
+	"github.com/akmalfairuz/legacy-version/legacyver/proto"
+	"github.com/sandertv/gophertunnel/minecraft/protocol"
+	"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
+)
+
+// ResourcePackStack is sent by the server to send the order in which resource packs and behaviour packs
+// should be applied (and downloaded) by the client.
+type ResourcePackStack struct {
+	// TexturePackRequired specifies if the client must accept the texture packs the server has in order to
+	// join the server. If set to true, the client gets the option to either download the resource packs and
+	// join, or quit entirely. Behaviour packs never have to be downloaded.
+	TexturePackRequired bool
+	// BehaviourPack is a list of behaviour packs that the client needs to download before joining the server.
+	// All of these behaviour packs will be applied together, and the order does not necessarily matter.
+	BehaviourPacks []protocol.StackResourcePack
+	// TexturePacks is a list of texture packs that the client needs to download before joining the server.
+	// The order of these texture packs specifies the order that they are applied in on the client side. The
+	// first in the list will be applied first.
+	TexturePacks []protocol.StackResourcePack
+	// BaseGameVersion is the vanilla version that the client should set its resource pack stack to.
+	BaseGameVersion string
+	// Experiments holds a list of experiments that are either enabled or disabled in the world that the
+	// player spawns in.
+	// It is not clear why experiments are sent both here and in the StartGame packet.
+	Experiments []protocol.ExperimentData
+	// ExperimentsPreviouslyToggled specifies if any experiments were previously toggled in this world. It is
+	// probably used for some kind of metrics.
+	ExperimentsPreviouslyToggled bool
+	// IncludeEditorPacks specifies if vanilla editor packs should be included in the resource pack stack when
+	// connecting to an editor world.
+	IncludeEditorPacks bool
+}
+
+// ID ...
+func (*ResourcePackStack) ID() uint32 {
+	return packet.IDResourcePackStack
+}
+
+func (pk *ResourcePackStack) Marshal(io protocol.IO) {
+	io.Bool(&pk.TexturePackRequired)
+	protocol.Slice(io, &pk.BehaviourPacks)
+	protocol.Slice(io, &pk.TexturePacks)
+	io.String(&pk.BaseGameVersion)
+	protocol.SliceUint32Length(io, &pk.Experiments)
+	io.Bool(&pk.ExperimentsPreviouslyToggled)
+	if proto.IsProtoGTE(io, proto.ID671) {
+		io.Bool(&pk.IncludeEditorPacks)
+	}
+}