568 lines
14 KiB
Go
568 lines
14 KiB
Go
package worlds
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import (
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"context"
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"encoding/json"
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"fmt"
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"image"
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"image/png"
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"math/rand"
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"os"
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"path"
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"strconv"
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"strings"
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"time"
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"github.com/bedrock-tool/bedrocktool/locale"
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"github.com/bedrock-tool/bedrocktool/ui/messages"
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"github.com/bedrock-tool/bedrocktool/utils"
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"github.com/bedrock-tool/bedrocktool/utils/behaviourpack"
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"github.com/df-mc/dragonfly/server/block/cube"
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"github.com/df-mc/dragonfly/server/world"
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"github.com/df-mc/dragonfly/server/world/chunk"
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"github.com/df-mc/dragonfly/server/world/mcdb"
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"github.com/df-mc/goleveldb/leveldb/opt"
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"github.com/go-gl/mathgl/mgl32"
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"github.com/repeale/fp-go"
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"github.com/sandertv/gophertunnel/minecraft"
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"github.com/sandertv/gophertunnel/minecraft/protocol"
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"github.com/sandertv/gophertunnel/minecraft/protocol/packet"
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"github.com/sirupsen/logrus"
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)
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type TPlayerPos struct {
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Position mgl32.Vec3
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Pitch float32
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Yaw float32
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HeadYaw float32
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}
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// the state used for drawing and saving
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type WorldSettings struct {
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// settings
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VoidGen bool
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WithPacks bool
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SaveImage bool
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SaveEntities bool
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SaveInventories bool
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BlockUpdates bool
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}
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type worldState struct {
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dimension world.Dimension
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chunks map[protocol.ChunkPos]*chunk.Chunk
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blockNBT map[protocol.SubChunkPos][]map[string]any
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entities map[uint64]*entityState
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openItemContainers map[byte]*itemContainer
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Name string
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}
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type serverState struct {
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ChunkRadius int
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ispre118 bool
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worldCounter int
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playerInventory []protocol.ItemInstance
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PlayerPos TPlayerPos
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Name string
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}
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type worldsHandler struct {
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ctx context.Context
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proxy *utils.ProxyContext
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mapUI *MapUI
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gui utils.UI
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bp *behaviourpack.BehaviourPack
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worldState worldState
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serverState serverState
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settings WorldSettings
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}
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var black16x16 = image.NewRGBA(image.Rect(0, 0, 16, 16))
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func init() {
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for i := 3; i < len(black16x16.Pix); i += 4 {
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black16x16.Pix[i] = 255
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}
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}
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func NewWorldsHandler(ctx context.Context, ui utils.UI, settings WorldSettings) *utils.ProxyHandler {
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w := &worldsHandler{
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ctx: ctx,
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mapUI: nil,
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gui: ui,
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bp: nil,
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serverState: serverState{
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ispre118: false,
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worldCounter: 0,
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ChunkRadius: 0,
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playerInventory: nil,
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PlayerPos: TPlayerPos{},
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},
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settings: settings,
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}
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w.mapUI = NewMapUI(w)
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w.Reset(w.CurrentName())
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return &utils.ProxyHandler{
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Name: "Worlds",
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ProxyRef: func(pc *utils.ProxyContext) {
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w.proxy = pc
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w.proxy.AddCommand(utils.IngameCommand{
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Exec: func(cmdline []string) bool {
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return w.setWorldName(strings.Join(cmdline, " "), false)
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},
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Cmd: protocol.Command{
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Name: "setname",
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Description: locale.Loc("setname_desc", nil),
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Overloads: []protocol.CommandOverload{{
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Parameters: []protocol.CommandParameter{{
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Name: "name",
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Type: protocol.CommandArgTypeString,
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Optional: false,
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}},
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}},
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},
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})
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w.proxy.AddCommand(utils.IngameCommand{
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Exec: func(cmdline []string) bool {
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return w.setVoidGen(!w.settings.VoidGen, false)
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},
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Cmd: protocol.Command{
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Name: "void",
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Description: locale.Loc("void_desc", nil),
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},
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})
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},
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AddressAndName: func(address, hostname string) error {
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w.bp = behaviourpack.New(hostname)
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w.serverState.Name = hostname
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return nil
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},
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OnClientConnect: func(conn *minecraft.Conn) {
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w.gui.Message(messages.SetUIState(messages.UIStateConnecting))
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},
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GameDataModifier: func(gd *minecraft.GameData) {
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gd.ClientSideGeneration = false
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},
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ConnectCB: w.OnConnect,
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PacketCB: func(pk packet.Packet, toServer bool, timeReceived time.Time) (packet.Packet, error) {
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forward := true
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if toServer {
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// from client
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pk = w.processItemPacketsClient(pk, &forward)
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pk = w.processMapPacketsClient(pk, &forward)
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} else {
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// from server
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switch pk := pk.(type) {
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case *packet.ChunkRadiusUpdated:
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w.serverState.ChunkRadius = int(pk.ChunkRadius)
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pk.ChunkRadius = 80
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}
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pk = w.processItemPacketsServer(pk)
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pk = w.ProcessChunkPackets(pk)
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pk = w.ProcessEntityPackets(pk)
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}
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if !forward {
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return nil, nil
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}
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return pk, nil
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},
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OnEnd: func() {
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w.SaveAndReset()
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},
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}
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}
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func (w *worldsHandler) setVoidGen(val bool, fromUI bool) bool {
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w.settings.VoidGen = val
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var s = locale.Loc("void_generator_false", nil)
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if w.settings.VoidGen {
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s = locale.Loc("void_generator_true", nil)
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}
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w.proxy.SendMessage(s)
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if !fromUI {
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w.gui.Message(messages.SetVoidGen{
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Value: w.settings.VoidGen,
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})
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}
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return true
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}
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func (w *worldsHandler) setWorldName(val string, fromUI bool) bool {
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w.worldState.Name = val
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w.proxy.SendMessage(locale.Loc("worldname_set", locale.Strmap{"Name": w.worldState.Name}))
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if !fromUI {
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w.gui.Message(messages.SetWorldName{
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WorldName: w.worldState.Name,
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})
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}
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return true
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}
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func (w *worldsHandler) CurrentName() string {
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worldName := "world"
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if w.serverState.worldCounter > 1 {
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worldName = fmt.Sprintf("world-%d", w.serverState.worldCounter)
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}
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return worldName
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}
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func (w *worldsHandler) Reset(newName string) {
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w.worldState = worldState{
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dimension: w.worldState.dimension,
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chunks: make(map[protocol.ChunkPos]*chunk.Chunk),
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blockNBT: make(map[protocol.SubChunkPos][]map[string]any),
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entities: make(map[uint64]*entityState),
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openItemContainers: make(map[byte]*itemContainer),
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Name: newName,
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}
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w.mapUI.Reset()
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}
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func (w *worldState) cullChunks() {
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keys := make([]protocol.ChunkPos, 0, len(w.chunks))
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for cp := range w.chunks {
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keys = append(keys, cp)
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}
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for _, cp := range fp.Filter(func(cp protocol.ChunkPos) bool {
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return !fp.Some(func(sc *chunk.SubChunk) bool {
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return !sc.Empty()
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})(w.chunks[cp].Sub())
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})(keys) {
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delete(w.chunks, cp)
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}
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}
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func (w *worldState) Save(folder string) (*mcdb.Provider, error) {
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provider, err := mcdb.New(logrus.StandardLogger(), folder, opt.DefaultCompression)
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if err != nil {
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return nil, err
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}
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// save chunk data
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for cp, c := range w.chunks {
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provider.SaveChunk((world.ChunkPos)(cp), c, w.dimension)
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}
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// save block nbt data
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blockNBT := make(map[world.ChunkPos][]map[string]any)
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for scp, v := range w.blockNBT { // 3d to 2d
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cp := world.ChunkPos{scp.X(), scp.Z()}
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blockNBT[cp] = append(blockNBT[cp], v...)
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}
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for cp, v := range blockNBT {
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err = provider.SaveBlockNBT(cp, v, w.dimension)
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if err != nil {
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logrus.Error(err)
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}
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}
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// save entities
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chunkEntities := make(map[world.ChunkPos][]world.Entity)
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for _, es := range w.entities {
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cp := world.ChunkPos{int32(es.Position.X()) >> 4, int32(es.Position.Z()) >> 4}
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chunkEntities[cp] = append(chunkEntities[cp], es.ToServerEntity())
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}
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for cp, v := range chunkEntities {
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err = provider.SaveEntities(cp, v, w.dimension)
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if err != nil {
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logrus.Error(err)
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}
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}
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return provider, err
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}
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// SaveAndReset writes the world to a folder, resets all the chunks
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func (w *worldsHandler) SaveAndReset() {
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w.worldState.cullChunks()
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if len(w.worldState.chunks) == 0 {
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w.Reset(w.CurrentName())
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return
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}
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logrus.Infof(locale.Loc("saving_world", locale.Strmap{"Name": w.worldState.Name, "Count": len(w.worldState.chunks)}))
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w.gui.Message(messages.SavingWorld{
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Name: w.worldState.Name,
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Chunks: len(w.worldState.chunks),
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})
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// open world
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folder := path.Join("worlds", fmt.Sprintf("%s/%s", w.serverState.Name, w.worldState.Name))
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os.RemoveAll(folder)
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os.MkdirAll(folder, 0o777)
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provider, err := w.worldState.Save(folder)
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if err != nil {
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logrus.Error(err)
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return
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}
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err = provider.SaveLocalPlayerData(w.playerData())
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if err != nil {
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logrus.Error(err)
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}
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playerPos := w.proxy.Server.GameData().PlayerPosition
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spawnPos := cube.Pos{int(playerPos.X()), int(playerPos.Y()), int(playerPos.Z())}
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// write metadata
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s := provider.Settings()
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s.Spawn = spawnPos
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s.Name = w.worldState.Name
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// set gamerules
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ld := provider.LevelDat()
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gd := w.proxy.Server.GameData()
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ld.RandomSeed = int64(gd.WorldSeed)
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for _, gr := range gd.GameRules {
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switch gr.Name {
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case "commandblockoutput":
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ld.CommandBlockOutput = gr.Value.(bool)
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case "maxcommandchainlength":
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ld.MaxCommandChainLength = int32(gr.Value.(uint32))
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case "commandblocksenabled":
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ld.CommandsEnabled = gr.Value.(bool)
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case "dodaylightcycle":
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ld.DoDayLightCycle = gr.Value.(bool)
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case "doentitydrops":
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ld.DoEntityDrops = gr.Value.(bool)
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case "dofiretick":
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ld.DoFireTick = gr.Value.(bool)
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case "domobloot":
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ld.DoMobLoot = gr.Value.(bool)
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case "domobspawning":
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ld.DoMobSpawning = gr.Value.(bool)
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case "dotiledrops":
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ld.DoTileDrops = gr.Value.(bool)
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case "doweathercycle":
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ld.DoWeatherCycle = gr.Value.(bool)
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case "drowningdamage":
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ld.DrowningDamage = gr.Value.(bool)
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case "doinsomnia":
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ld.DoInsomnia = gr.Value.(bool)
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case "falldamage":
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ld.FallDamage = gr.Value.(bool)
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case "firedamage":
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ld.FireDamage = gr.Value.(bool)
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case "keepinventory":
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ld.KeepInventory = gr.Value.(bool)
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case "mobgriefing":
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ld.MobGriefing = gr.Value.(bool)
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case "pvp":
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ld.PVP = gr.Value.(bool)
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case "showcoordinates":
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ld.ShowCoordinates = gr.Value.(bool)
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case "naturalregeneration":
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ld.NaturalRegeneration = gr.Value.(bool)
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case "tntexplodes":
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ld.TNTExplodes = gr.Value.(bool)
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case "sendcommandfeedback":
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ld.SendCommandFeedback = gr.Value.(bool)
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case "randomtickspeed":
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ld.RandomTickSpeed = int32(gr.Value.(uint32))
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case "doimmediaterespawn":
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ld.DoImmediateRespawn = gr.Value.(bool)
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case "showdeathmessages":
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ld.ShowDeathMessages = gr.Value.(bool)
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case "functioncommandlimit":
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ld.FunctionCommandLimit = int32(gr.Value.(uint32))
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case "spawnradius":
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ld.SpawnRadius = int32(gr.Value.(uint32))
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case "showtags":
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ld.ShowTags = gr.Value.(bool)
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case "freezedamage":
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ld.FreezeDamage = gr.Value.(bool)
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case "respawnblocksexplode":
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ld.RespawnBlocksExplode = gr.Value.(bool)
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case "showbordereffect":
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ld.ShowBorderEffect = gr.Value.(bool)
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// todo
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default:
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logrus.Warnf(locale.Loc("unknown_gamerule", locale.Strmap{"Name": gr.Name}))
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}
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}
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// void world
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if w.settings.VoidGen {
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ld.FlatWorldLayers = `{"biome_id":1,"block_layers":[{"block_data":0,"block_id":0,"count":1},{"block_data":0,"block_id":0,"count":2},{"block_data":0,"block_id":0,"count":1}],"encoding_version":3,"structure_options":null}`
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ld.Generator = 2
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}
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if w.bp.HasContent() {
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if ld.Experiments == nil {
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ld.Experiments = map[string]any{}
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}
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ld.Experiments["data_driven_items"] = true
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ld.Experiments["experiments_ever_used"] = true
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ld.Experiments["saved_with_toggled_experiments"] = true
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}
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ld.RandomTickSpeed = 0
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s.CurrentTick = 0
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provider.SaveSettings(s)
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if err = provider.Close(); err != nil {
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logrus.Error(err)
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}
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w.serverState.worldCounter += 1
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type dep struct {
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PackID string `json:"pack_id"`
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Version [3]int `json:"version"`
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}
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addPacksJSON := func(name string, deps []dep) {
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f, err := os.Create(path.Join(folder, name))
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if err != nil {
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logrus.Error(err)
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return
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}
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defer f.Close()
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if err := json.NewEncoder(f).Encode(deps); err != nil {
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logrus.Error(err)
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return
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}
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}
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// save behaviourpack
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if w.bp.HasContent() {
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name := strings.ReplaceAll(w.serverState.Name, "./", "")
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name = strings.ReplaceAll(name, "/", "-")
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name = strings.ReplaceAll(name, ":", "_")
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packFolder := path.Join(folder, "behavior_packs", name)
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os.MkdirAll(packFolder, 0o755)
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for _, p := range w.proxy.Server.ResourcePacks() {
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p := utils.PackFromBase(p)
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w.bp.CheckAddLink(p)
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}
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w.bp.Save(packFolder)
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addPacksJSON("world_behavior_packs.json", []dep{{
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PackID: w.bp.Manifest.Header.UUID,
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Version: w.bp.Manifest.Header.Version,
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}})
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// force resource packs for worlds with custom blocks
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w.settings.WithPacks = true
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}
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// add resource packs
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if w.settings.WithPacks {
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packs, err := utils.GetPacks(w.proxy.Server)
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if err != nil {
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logrus.Error(err)
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} else {
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var rdeps []dep
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for k, p := range packs {
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if p.Encrypted() && !p.CanDecrypt() {
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logrus.Warnf("Cant add %s, it is encrypted", p.Name())
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continue
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}
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logrus.Infof(locale.Loc("adding_pack", locale.Strmap{"Name": k}))
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name := p.Name()
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name = strings.ReplaceAll(name, ":", "_")
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packFolder := path.Join(folder, "resource_packs", name)
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os.MkdirAll(packFolder, 0o755)
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utils.UnpackZip(p, int64(p.Len()), packFolder)
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rdeps = append(rdeps, dep{
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PackID: p.Manifest().Header.UUID,
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Version: p.Manifest().Header.Version,
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})
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}
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if len(rdeps) > 0 {
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addPacksJSON("world_resource_packs.json", rdeps)
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}
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}
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}
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if w.settings.SaveImage {
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f, _ := os.Create(folder + ".png")
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png.Encode(f, w.mapUI.ToImage())
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f.Close()
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}
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// zip it
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filename := folder + ".mcworld"
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if err := utils.ZipFolder(filename, folder); err != nil {
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logrus.Error(err)
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}
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logrus.Info(locale.Loc("saved", locale.Strmap{"Name": filename}))
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//os.RemoveAll(folder)
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w.Reset(w.CurrentName())
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w.gui.Message(messages.SetUIState(messages.UIStateMain))
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}
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func (w *worldsHandler) OnConnect(err error) bool {
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w.gui.Message(messages.SetUIState(messages.UIStateMain))
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if err != nil {
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return false
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}
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gd := w.proxy.Server.GameData()
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w.serverState.ChunkRadius = int(gd.ChunkRadius)
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w.proxy.ClientWritePacket(&packet.ChunkRadiusUpdated{
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ChunkRadius: 80,
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})
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world.InsertCustomItems(gd.Items)
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for _, ie := range gd.Items {
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w.bp.AddItem(ie)
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}
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mapItemID, _ := world.ItemRidByName("minecraft:filled_map")
|
|
MapItemPacket.Content[0].Stack.ItemType.NetworkID = mapItemID
|
|
if gd.ServerAuthoritativeInventory {
|
|
MapItemPacket.Content[0].StackNetworkID = 0xffff + rand.Int31n(0xfff)
|
|
}
|
|
|
|
if len(gd.CustomBlocks) > 0 {
|
|
logrus.Info(locale.Loc("using_customblocks", nil))
|
|
for _, be := range gd.CustomBlocks {
|
|
w.bp.AddBlock(be)
|
|
}
|
|
// telling the chunk code what custom blocks there are so it can generate offsets
|
|
world.InsertCustomBlocks(gd.CustomBlocks)
|
|
}
|
|
|
|
{ // check game version
|
|
gv := strings.Split(gd.BaseGameVersion, ".")
|
|
var err error
|
|
if len(gv) > 1 {
|
|
var ver int
|
|
ver, err = strconv.Atoi(gv[1])
|
|
w.serverState.ispre118 = ver < 18
|
|
}
|
|
if err != nil || len(gv) <= 1 {
|
|
logrus.Info(locale.Loc("guessing_version", nil))
|
|
}
|
|
|
|
dimensionID := gd.Dimension
|
|
if w.serverState.ispre118 {
|
|
logrus.Info(locale.Loc("using_under_118", nil))
|
|
if dimensionID == 0 {
|
|
dimensionID += 10
|
|
}
|
|
}
|
|
w.worldState.dimension, _ = world.DimensionByID(int(dimensionID))
|
|
}
|
|
|
|
w.proxy.SendMessage(locale.Loc("use_setname", nil))
|
|
w.mapUI.Start()
|
|
return true
|
|
}
|