Module data_components 

Data components system for items and entities.

Component values are type-erased through Steel’s deterministic keyed downcasting system. Vanilla and plugin-defined values use the same storage path while retaining type-safe access through DataComponentType.

Architecture

• ComponentData - Type-erased component value storage
• Component - Object-safe behavior for stored values
• DataComponentType<T> - Compile-time type handle for accessing components
• DataComponentMap - Storage for component values on items
• DataComponentPatch - Diff representation for network/storage
• DataComponentRegistry - Registry of component types with serialization

Example

use steel_registry::data_components::vanilla_components::DAMAGE;

// Type-safe access (compile-time checked)
let damage: Option<&i32> = components.get(DAMAGE);
components.set(DAMAGE, Some(10));

// Raw access for plugins
let data = components.get_raw(&key)?;

Re-exports

pub use crate::item_predicate::AdventureModePredicate;

pub use crate::item_predicate::BlockPredicate;

pub use crate::item_predicate::LockCode;

pub use components::ArmorTrim;

pub use components::BannerPatternLayer;

pub use components::BannerPatternLayers;

pub use components::BlocksAttacks;

pub use components::BundleContents;

pub use components::ChargedProjectiles;

pub use components::Consumable;

pub use components::CustomData;

pub use components::CustomModelData;

pub use components::DeathProtection;

pub use components::DyedItemColor;

pub use components::Enchantable;

pub use components::Equippable;

pub use components::EquippableAllowedEntities;

pub use components::InstrumentComponent;

pub use components::InvalidEnchantableValue;

pub use components::ItemContainerContents;

pub use components::JukeboxPlayable;

pub use components::MapDecorationEntry;

pub use components::MapDecorations;

pub use components::MapId;

pub use components::MapItemColor;

pub use components::OminousBottleAmplifier;

pub use components::PaintingVariantComponent;

pub use components::PotDecorations;

pub use components::PotionContents;

pub use components::ProvidesBannerPatterns;

pub use components::ProvidesTrimMaterial;

pub use components::Recipes;

pub use components::SulfurCubeContent;

pub use components::Tool;

pub use components::ToolRule;

pub use components::ToolRuleBlocks;

pub use components::UseRemainder;

Modules

component_data 🔒

Type-erased data component values.

components

Individual component type definitions.

registry 🔒

Data component registry and storage types.

vanilla_components

Vanilla data component definitions and registration.

Structs

ComponentData

A type-erased component value.

ComponentEntry

Metadata for a registered component type.

DataComponentMap

Storage for component values.

DataComponentPatch

A patch representing modifications to a DataComponentMap.

DataComponentRegistry

Registry of all data component types.

DataComponentType

A typed handle for a data component.

Enums

ComponentPatchEntry

Entry in a component patch.

Traits

Component

Behavior required from a value stored in a ComponentData.

Functions

component_try_into

Attempts to extract a typed component from ComponentData.

Type Aliases

ComponentEntryRef

NbtReader

Reader function for deserializing a component from NBT format.

NbtWriter

Writer function for serializing a component to NBT format.

NetworkReader

NetworkWriter

Writer function for serializing a component to network format.