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feat: add palettes and version constants for MC 1.21.2 (protocol 768)

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Add item, entity, block, and metadata palettes for Minecraft 1.21.2:
- ItemPalette1212: 1375 items (42 new: pale oak set, colored bundles,
  creaking heart/spawn egg, banner patterns)
- EntityPalette1212: 150 entity types (boats split into per-wood-type
  entries, generic boat/chest_boat removed; added creaking,
  creaking_transient, pale oak boats)
- Palette1212 (blocks): 1084 block types with state IDs generated from
  official 1.21.2 data reports (24 new pale oak blocks, creaking heart,
  pale moss variants)
- EntityMetadataPalette: reuses 1206 (serializers unchanged in 1.21.2)

Updated version infrastructure:
- Protocol18.cs: MC_1_21_2_Version = 768, palette switch routing
- ProtocolHandler.cs: version mapping 1.21.2 <-> 768
- Program.cs: MCHighestVersion bumped to 1.21.2
- ItemType.cs, EntityType.cs, Material.cs: new enum entries

Note: packet palette, structured components, and protocol handler
changes for 1.21.2 are not yet implemented — this commit covers
palette/registry groundwork only.

Made-with: Cursor
This commit is contained in:
BruceChen 2026-03-20 03:02:43 +08:00
parent 896263acc8
commit df833ae2a8
10 changed files with 3476 additions and 9 deletions
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10
MinecraftClient/Protocol/Handlers/Protocol18.cs
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@ -73,6 +73,7 @@ namespace MinecraftClient.Protocol.Handlers
internal const int MC_1_20_4_Version = 765;
internal const int MC_1_20_6_Version = 766;
internal const int MC_1_21_Version = 767;
internal const int MC_1_21_2_Version = 768;
private int compression_treshold = -1;
private int autocomplete_transaction_id = 0;
@ -147,8 +148,9 @@ namespace MinecraftClient.Protocol.Handlers
Block.Palette = protocolVersion switch
{
// Block palette
> MC_1_21_Version when handler.GetTerrainEnabled() =>
> MC_1_21_2_Version when handler.GetTerrainEnabled() =>
throw new NotImplementedException(Translations.exception_palette_block),
>= MC_1_21_2_Version => new Palette1212(),
>= MC_1_20_6_Version => new Palette1206(),
>= MC_1_20_4_Version => new Palette1204(),
>= MC_1_20_Version => new Palette120(),
@ -166,8 +168,9 @@ namespace MinecraftClient.Protocol.Handlers
entityPalette = protocolVersion switch
{
// Entity palette
> MC_1_21_Version when handler.GetEntityHandlingEnabled() =>
> MC_1_21_2_Version when handler.GetEntityHandlingEnabled() =>
throw new NotImplementedException(Translations.exception_palette_entity),
>= MC_1_21_2_Version => new EntityPalette1212(),
>= MC_1_20_6_Version => new EntityPalette1206(),
>= MC_1_20_4_Version => new EntityPalette1204(),
>= MC_1_20_Version => new EntityPalette120(),
@ -189,8 +192,9 @@ namespace MinecraftClient.Protocol.Handlers
itemPalette = protocolVersion switch
{
// Item palette
> MC_1_21_Version when handler.GetInventoryEnabled() =>
> MC_1_21_2_Version when handler.GetInventoryEnabled() =>
throw new NotImplementedException(Translations.exception_palette_item),
>= MC_1_21_2_Version => new ItemPalette1212(),
>= MC_1_21_Version => new ItemPalette121(),
>= MC_1_20_6_Version => new ItemPalette1206(),
>= MC_1_20_4_Version => new ItemPalette1204(),