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feat: add MC 1.21.4 (protocol 769) support

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Add complete protocol 769 support for Minecraft 1.21.4:

- Version constants: Add 769 to supported versions, MC_1_21_4_Version constant,
  and version string mappings (including 1.21.3 -> 768 compatibility)
- Item palette: 10 new items (Resin series + Eyeblossom), generated ItemPalette1214
- Entity palette: Remove CreakingTransient (149 entities, down from 150)
- Block palette: 10 new blocks with correct blockstate ID ranges from server data
- Packet palette: Serverbound packet ID reshuffling - PickItem split into
  PickItemFromBlock/PickItemFromEntity, new PlayerLoaded packet inserted after
  PlayerInput, subsequent IDs shifted accordingly. Clientbound unchanged.
- PlayerLoaded: Send empty PlayerLoaded packet after JoinGame processing (>= 1.21.4)
- EntityMetadata/DataComponents: Reuse 1.20.6 palettes (unchanged registries)
- Update all version guard checks from MC_1_21_2 to MC_1_21_4

Made-with: Cursor
This commit is contained in:
BruceChen 2026-03-20 23:51:56 +08:00
parent 3acfc0aaa4
commit f73148e5ec
12 changed files with 3699 additions and 11 deletions
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2
MinecraftClient/Mapping/EntityMetadataPalette.cs
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@ -23,7 +23,7 @@ public abstract class EntityMetadataPalette
<= Protocol18Handler.MC_1_19_2_Version => new EntityMetadataPalette1191(), // 1.13 - 1.19.2
<= Protocol18Handler.MC_1_19_3_Version => new EntityMetadataPalette1193(), // 1.19.3
< Protocol18Handler.MC_1_20_6_Version => new EntityMetadataPalette1194(), // 1.19.4 - 1.20.4
<= Protocol18Handler.MC_1_21_2_Version => new EntityMetadataPalette1206(), // 1.20.6 - 1.21.2
<= Protocol18Handler.MC_1_21_4_Version => new EntityMetadataPalette1206(), // 1.20.6 - 1.21.4
_ => throw new NotImplementedException()
};
}