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

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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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MinecraftClient/Mapping/BlockPalettes/Palette1214.cs Normal file

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