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https://github.com/MCCTeam/Minecraft-Console-Client
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Both components had incorrect Parse/Serialize implementations that would cause packet deserialization misalignment when encountered in-game. PotionContentsComponent (3 bugs): - Serialize unconditionally wrote VarInt(PotionId) and Int(CustomColor) even when HasPotionId/HasCustomColor was false. The official format (PotionContents.STREAM_CODEC) uses Optional encoding: Bool(hasValue) followed by the value only when true. The extra bytes caused all subsequent fields in the packet to be read at wrong offsets. - Serialize omitted the VarInt(count) prefix for the custom effects list. The official codec uses ByteBufCodecs.list() which always writes a VarInt count header before the list elements. - Also fixed typo: PotiononId -> PotionId. InstrumentComponent (3 bugs): - The official Instrument.STREAM_CODEC uses ByteBufCodecs.holder() which encodes as VarInt(holderId): 0 = inline data, N>0 = registry ref (N-1). The SoundEvent field inside uses the same holder pattern. The old code unconditionally read SoundName (ResourceLocation) and HasFixedRange/ FixedRange even when SoundEventHolderId != 0 (registry reference case has no inline data). - UseDuration was read/written as Float, but the official codec uses ByteBufCodecs.VAR_INT. This caused a 4-byte vs variable-length mismatch that would shift all subsequent data. - HasFixedRange was read unconditionally when SoundEventHolderId == 0, but FixedRange was also read unconditionally. The official SoundEvent DIRECT_STREAM_CODEC uses Optional<Float> encoding: Bool(hasValue) followed by Float only when true. These components are used for potion items and goat horns respectively. Verified against official 1.20.6 decompiled source: - net.minecraft.world.item.alchemy.PotionContents (STREAM_CODEC) - net.minecraft.world.item.Instrument (STREAM_CODEC/DIRECT_STREAM_CODEC) - net.minecraft.sounds.SoundEvent (STREAM_CODEC/DIRECT_STREAM_CODEC) - net.minecraft.network.codec.ByteBufCodecs (holder/optional/list) Made-with: Cursor |
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| .. | ||
| AttributeModifiersComponent.cs | ||
| BannerPatternsComponent.cs | ||
| BaseColorComponent.cs | ||
| BeesComponent.cs | ||
| BlockStateComponent.cs | ||
| BundleContentsComponent.cs | ||
| CanBreakComponent.cs | ||
| CanPlaceOnComponent.cs | ||
| ChargedProjectilesComponent.cs | ||
| ContainerComponent.cs | ||
| ContainerLootComponent.cs | ||
| CreativeSlotLockComponent.cs | ||
| CustomDataComponent.cs | ||
| CustomModelDataComponent.cs | ||
| CustomNameComponent.cs | ||
| DamageComponent.cs | ||
| DebugStickStateComponent.cs | ||
| DyeColorComponent.cs | ||
| EnchantmentGlintOverrideComponent.cs | ||
| EnchantmentsComponent.cs | ||
| EntityDataComponent.cs | ||
| FireResistantComponent.cs | ||
| FireworkExplosionComponent.cs | ||
| FireworksComponent.cs | ||
| FoodComponentComponent.cs | ||
| HideAdditionalTooltipComponent.cs | ||
| HideTooltipComponent.cs | ||
| InstrumentComponent.cs | ||
| IntangibleProjectileComponent.cs | ||
| ItemNameComponent.cs | ||
| LockComponent.cs | ||
| LodestoneTrackerComponent.cs | ||
| LoreComponent.cs | ||
| MapColorComponent.cs | ||
| MapDecorationsComponent.cs | ||
| MapIdComponent.cs | ||
| MapPostProcessingComponent.cs | ||
| MaxDamageComponent.cs | ||
| MaxStackSizeComponent.cs | ||
| NoteBlockSoundComponent.cs | ||
| OmniousBottleAmplifierComponent.cs | ||
| PotDecorationsComponent.cs | ||
| PotionContentsComponent.cs | ||
| ProfileComponent.cs | ||
| RarityComponent.cs | ||
| RecipesComponent.cs | ||
| RepairCostComponent.cs | ||
| StoredEnchantmentsComponent.cs | ||
| SuspiciousStewEffectsComponent.cs | ||
| ToolComponent.cs | ||
| TrimComponent.cs | ||
| UnbreakableComponent.cs | ||
| WritableBlookContentComponent.cs | ||
| WrittenBlookContentComponent.cs | ||