118 lines
2.9 KiB
Go
118 lines
2.9 KiB
Go
package world
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import (
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"github.com/bedrock-tool/bedrocktool/locale"
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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/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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func (w *WorldState) processChangeDimension(pk *packet.ChangeDimension) {
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if len(w.chunks) > 0 {
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w.SaveAndReset()
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} else {
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logrus.Info(locale.Loc("not_saving_empty", nil))
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w.Reset()
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}
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dimensionID := pk.Dimension
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if w.ispre118 {
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dimensionID += 10
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}
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w.Dim = dimensionIDMap[uint8(dimensionID)]
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}
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func (w *WorldState) processLevelChunk(pk *packet.LevelChunk) {
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_, exists := w.chunks[pk.Position]
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if exists {
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return
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}
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// ignore empty chunks THANKS WEIRD SERVER SOFTWARE DEVS
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if len(pk.RawPayload) == 0 {
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logrus.Info(locale.Loc("empty_chunk", nil))
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return
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}
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ch, blockNBTs, err := chunk.NetworkDecode(world.AirRID(), pk.RawPayload, int(pk.SubChunkCount), w.Dim.Range(), w.ispre118, w.bp != nil)
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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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if blockNBTs != nil {
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w.blockNBT[protocol.SubChunkPos{
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pk.Position.X(), 0, pk.Position.Z(),
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}] = blockNBTs
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}
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w.chunks[pk.Position] = ch
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if pk.SubChunkRequestMode == protocol.SubChunkRequestModeLegacy {
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w.ui.SetChunk(pk.Position, ch)
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} else {
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w.ui.SetChunk(pk.Position, nil)
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// request all the subchunks
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max := w.Dim.Range().Height() / 16
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if pk.SubChunkRequestMode == protocol.SubChunkRequestModeLimited {
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max = int(pk.HighestSubChunk)
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}
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w.proxy.Server.WritePacket(&packet.SubChunkRequest{
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Dimension: int32(w.Dim.EncodeDimension()),
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Position: protocol.SubChunkPos{
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pk.Position.X(), 0, pk.Position.Z(),
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},
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Offsets: offsetTable[:max],
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})
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}
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}
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func (w *WorldState) processSubChunk(pk *packet.SubChunk) {
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posToRedraw := make(map[protocol.ChunkPos]bool)
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for _, sub := range pk.SubChunkEntries {
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var (
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absX = pk.Position[0] + int32(sub.Offset[0])
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absY = pk.Position[1] + int32(sub.Offset[1])
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absZ = pk.Position[2] + int32(sub.Offset[2])
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subPos = protocol.SubChunkPos{absX, absY, absZ}
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pos = protocol.ChunkPos{absX, absZ}
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)
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ch, ok := w.chunks[pos]
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if !ok {
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logrus.Error(locale.Loc("subchunk_before_chunk", nil))
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continue
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}
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blockNBT, err := ch.ApplySubChunkEntry(uint8(absY), &sub)
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if err != nil {
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logrus.Error(err)
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}
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if blockNBT != nil {
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w.blockNBT[subPos] = blockNBT
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}
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posToRedraw[pos] = true
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}
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// redraw the chunks
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for pos := range posToRedraw {
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w.ui.SetChunk(pos, w.chunks[pos])
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}
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w.ui.SchedRedraw()
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}
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func (w *WorldState) ProcessChunkPackets(pk packet.Packet) packet.Packet {
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switch pk := pk.(type) {
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case *packet.ChangeDimension:
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w.processChangeDimension(pk)
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case *packet.LevelChunk:
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w.processLevelChunk(pk)
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w.proxy.SendPopup(locale.Locm("popup_chunk_count", locale.Strmap{"Count": len(w.chunks), "Name": w.WorldName}, len(w.chunks)))
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case *packet.SubChunk:
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w.processSubChunk(pk)
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}
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return pk
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}
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