57214fbd76
set_time was declared nowhere and sent never, so the client's sky was frozen wherever it started: the sun did not move, night did not fall, and nothing in the world had a time. 26.1.2 replaced the old (gameTime, dayTime, doDaylightCycle) triple with a registry of named clocks. The packet now carries a fixed-width game time plus a map from world clock to (totalTicks, partialTick, rate); the client advances each clock locally at its rate and drives the minecraft:day timeline -- a keyframe track over a 24000-tick period -- from the overworld clock. The clock registry is already among the 28 we sync, so the id is looked up rather than hardcoded and the server refuses to start if it is missing. The counter rides the entity tick loop because that is the only loop already running at 20 TPS. It belongs on the single authoritative tick the engine still needs; putting a sixth ticker beside the five that exist would make that worse. Broadcast every second, which is what vanilla does -- the client interpolates in between, so the resend only corrects drift. The clock also persists now. The world metadata file was written once and never touched again; it is atomically rewritable, carries gameTime and dayTime, and a file written before those fields existed still opens and resumes at dawn as it did. Saved every 30 seconds alongside the chunk autosave, and once more on shutdown after the final flush.
130 lines
3 KiB
Go
130 lines
3 KiB
Go
package protocol
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// Packet IDs, grouped by state and direction. Serverbound = client→server,
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// Clientbound = server→client. Values are for protocol 775 (26.1.2).
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// Handshaking, serverbound.
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const (
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HandshakeID = 0x00
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)
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// Status, serverbound.
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const (
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StatusRequestID = 0x00
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PingRequestID = 0x01
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)
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// Status, clientbound.
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const (
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StatusResponseID = 0x00
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PongResponseID = 0x01
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)
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// Login, serverbound.
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const (
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LoginStartID = 0x00
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EncryptionResponse = 0x01
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LoginPluginResponse = 0x02
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LoginAcknowledgedID = 0x03
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CookieResponseLogin = 0x04
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)
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// Login, clientbound.
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const (
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LoginDisconnectID = 0x00
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EncryptionRequest = 0x01
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LoginSuccessID = 0x02
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SetCompressionID = 0x03
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LoginPluginReq = 0x04
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CookieRequestLogin = 0x05
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)
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// Configuration, serverbound.
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const (
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ConfigClientInformation = 0x00
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ConfigCookieResponse = 0x01
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ConfigCustomPayload = 0x02
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ConfigFinishServerbound = 0x03
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ConfigKeepAliveServer = 0x04
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ConfigPong = 0x05
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ConfigResourcePackResp = 0x06
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ConfigKnownPacksServer = 0x07
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)
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// Configuration, clientbound.
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const (
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ConfigCookieRequest = 0x00
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ConfigCustomPayloadCB = 0x01
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ConfigDisconnect = 0x02
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ConfigFinishClientbound = 0x03
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ConfigKeepAliveCB = 0x04
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ConfigPing = 0x05
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ConfigRegistryData = 0x07
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ConfigUpdateEnabledFeatures = 0x0c
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ConfigUpdateTags = 0x0d
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ConfigKnownPacksCB = 0x0e
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)
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// Play, clientbound (protocol 775).
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const (
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PlayLogin = 0x31
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PlayGameEvent = 0x26
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PlayKeepAliveCB = 0x2c
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PlayPlayerPosition = 0x48
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PlayDefaultSpawnPos = 0x61
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PlayChunkCacheCenter = 0x5e
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PlayLevelChunk = 0x2d
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PlayForgetLevelChunk = 0x25
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PlayAbilities = 0x40
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PlaySetHeldSlot = 0x69
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PlayDisconnect = 0x20
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PlayBlockUpdate = 0x08
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PlayBlockChangedAck = 0x04
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PlaySystemChat = 0x79
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PlayLightUpdate = 0x30
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PlayPlayerInfoRemove = 0x45
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PlayPlayerInfoUpdate = 0x46
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PlaySetTime = 0x71
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// Entity packets
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PlayAddEntity = 0x01
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PlayTeleportEntity = 0x7d
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PlayMoveEntityPos = 0x35
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PlayMoveEntityPosRot = 0x36
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PlayMoveEntityRot = 0x38
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PlaySetEntityMotion = 0x65
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PlayRemoveEntities = 0x4d
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PlaySetEntityData = 0x63
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PlaySetEquipment = 0x66
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)
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// Play, serverbound (protocol 775).
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const (
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PlayAcceptTeleport = 0x00
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PlayKeepAliveServer = 0x1c
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PlayClientTickEnd = 0x0d
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PlayClientInformation = 0x0e
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PlayCustomPayload = 0x16
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PlayMovePos = 0x1e
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PlayMovePosRot = 0x1f
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PlayMoveRot = 0x20
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PlayMoveStatusOnly = 0x21
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PlayPlayerLoaded = 0x2c
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PlayPlayerAction = 0x29
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PlayUseItemOn = 0x42
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PlaySetCreativeSlot = 0x38
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PlaySetCarriedItem = 0x35
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PlayChatMessage = 0x09
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)
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// GameEvent sub-IDs carried by the clientbound game_event packet.
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const (
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GameEventStartWaitingChunks = 13
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)
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// NextState values carried by the handshake packet.
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const (
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NextStateStatus = 1
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NextStateLogin = 2
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NextStateTransfer = 3
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)
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