feat: add more plugin stuff

crates/pumpkin-data/src/lib.rs

@@ -161,7 +161,7 @@ mod entity_pose;
 #[cfg(feature = "entity_status")]
 #[rustfmt::skip]
 #[path = "generated/entity_status.rs"]
-mod entity_status;
+pub mod entity_status;
 
 #[cfg(feature = "entity_type")]
 #[rustfmt::skip]

crates/pumpkin-plugin-api/src/block.rs

@@ -0,0 +1,160 @@
+pub use crate::generated::block::BlockType;
+use crate::wit::pumpkin::plugin::world::{Block, BlockState};
+
+/// Trait for converting types into a valid Minecraft block registry key (e.g. `"minecraft:stone"`).
+pub trait IntoBlockKey {
+    /// Returns the namespaced block registry key.
+    fn into_block_key(self) -> String;
+}
+
+impl IntoBlockKey for BlockType {
+    fn into_block_key(self) -> String {
+        self.resource_location().to_string()
+    }
+}
+
+impl IntoBlockKey for &BlockType {
+    fn into_block_key(self) -> String {
+        self.resource_location().to_string()
+    }
+}
+
+impl IntoBlockKey for &str {
+    fn into_block_key(self) -> String {
+        if self.contains(':') {
+            self.to_string()
+        } else {
+            format!("minecraft:{self}")
+        }
+    }
+}
+
+impl IntoBlockKey for String {
+    fn into_block_key(self) -> String {
+        if self.contains(':') {
+            self
+        } else {
+            format!("minecraft:{self}")
+        }
+    }
+}
+
+impl IntoBlockKey for &String {
+    fn into_block_key(self) -> String {
+        self.as_str().into_block_key()
+    }
+}
+
+/// Extension trait providing typed helper methods on `Block`.
+pub trait BlockTypeExt {
+    /// Gets a block definition by any valid block key (e.g. `BlockType::Stone`, `"minecraft:stone"`, or `"custom:block"`).
+    #[must_use]
+    fn of(key: impl IntoBlockKey) -> Option<Block>;
+
+    /// Returns the typed `BlockType` if this block corresponds to a known vanilla block,
+    /// or `None` if it is a custom, modded, or newer unknown block.
+    #[must_use]
+    fn get_block_type(&self) -> Option<BlockType>;
+
+    /// Checks if this block matches the given `BlockType`.
+    #[must_use]
+    fn is_block_type(&self, block_type: BlockType) -> bool;
+
+    /// Checks if this block matches the given block key.
+    #[must_use]
+    fn matches_block(&self, key: impl IntoBlockKey) -> bool;
+}
+
+impl BlockTypeExt for Block {
+    fn of(key: impl IntoBlockKey) -> Option<Block> {
+        Block::from_name(&key.into_block_key())
+    }
+
+    fn get_block_type(&self) -> Option<BlockType> {
+        BlockType::from_registry_key(&self.name)
+    }
+
+    fn is_block_type(&self, block_type: BlockType) -> bool {
+        self.get_block_type() == Some(block_type)
+    }
+
+    fn matches_block(&self, key: impl IntoBlockKey) -> bool {
+        let expected = key.into_block_key();
+        let expected_clean = expected.strip_prefix("minecraft:").unwrap_or(&expected);
+        let actual_clean = self.name.strip_prefix("minecraft:").unwrap_or(&self.name);
+        expected_clean == actual_clean
+    }
+}
+
+/// Extension trait providing typed helper methods on `BlockState`.
+pub trait BlockStateTypeExt {
+    /// Returns the typed `BlockType` if this block state corresponds to a known vanilla block,
+    /// or `None` if it is a custom, modded, or newer unknown block.
+    #[must_use]
+    fn get_block_type(&self) -> Option<BlockType>;
+
+    /// Checks if this block state matches the given `BlockType`.
+    #[must_use]
+    fn is_block_type(&self, block_type: BlockType) -> bool;
+
+    /// Checks if this block state matches the given block key.
+    #[must_use]
+    fn matches_block(&self, key: impl IntoBlockKey) -> bool;
+}
+
+impl BlockStateTypeExt for BlockState {
+    fn get_block_type(&self) -> Option<BlockType> {
+        BlockType::from_registry_key(&self.block_name)
+    }
+
+    fn is_block_type(&self, block_type: BlockType) -> bool {
+        self.get_block_type() == Some(block_type)
+    }
+
+    fn matches_block(&self, key: impl IntoBlockKey) -> bool {
+        let expected = key.into_block_key();
+        let expected_clean = expected.strip_prefix("minecraft:").unwrap_or(&expected);
+        let actual_clean = self
+            .block_name
+            .strip_prefix("minecraft:")
+            .unwrap_or(&self.block_name);
+        expected_clean == actual_clean
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn block_to_resource_location() {
+        assert_eq!(BlockType::Stone.into_block_key(), "minecraft:stone");
+        assert_eq!(
+            BlockType::DiamondBlock.into_block_key(),
+            "minecraft:diamond_block"
+        );
+        assert_eq!(BlockType::OakLog.into_block_key(), "minecraft:oak_log");
+        assert_eq!(BlockType::Obsidian.into_block_key(), "minecraft:obsidian");
+    }
+
+    #[test]
+    fn string_to_resource_location() {
+        assert_eq!("stone".into_block_key(), "minecraft:stone");
+        assert_eq!("minecraft:stone".into_block_key(), "minecraft:stone");
+        assert_eq!("custom:ruby_block".into_block_key(), "custom:ruby_block");
+    }
+
+    #[test]
+    fn block_parsing() {
+        assert_eq!(BlockType::from_name("stone"), Some(BlockType::Stone));
+        assert_eq!(
+            BlockType::from_name("minecraft:stone"),
+            Some(BlockType::Stone)
+        );
+        assert_eq!(
+            BlockType::from_name("diamond_block"),
+            Some(BlockType::DiamondBlock)
+        );
+        assert_eq!(BlockType::from_name("custom:ruby_block"), None);
+    }
+}

crates/pumpkin-plugin-api/src/ext/attributes.rs

@@ -29,3 +29,23 @@ impl AttributeModifier {
         Self::new(id, amount, ModifierOperation::MultiplyTotal)
     }
 }
+
+use crate::wit::pumpkin::plugin::attributes::Attribute;
+use crate::wit::pumpkin::plugin::enchantments::AttributeModifierSlot;
+use crate::wit::pumpkin::plugin::item_stack::ItemAttributeModifier;
+
+impl ItemAttributeModifier {
+    /// Creates a new item attribute modifier for a specific equipment slot.
+    #[must_use]
+    pub const fn new(
+        attribute: Attribute,
+        modifier: AttributeModifier,
+        slot: AttributeModifierSlot,
+    ) -> Self {
+        Self {
+            attribute,
+            modifier,
+            slot,
+        }
+    }
+}

crates/pumpkin-plugin-api/src/ext/player.rs

@@ -133,6 +133,32 @@ impl BanIpOptions {
     }
 }
 
+/// Extension trait providing typed cooldown helpers for `Player`.
+pub trait PlayerCooldownExt {
+    /// Sets a client-side item cooldown overlay using any item key or `Item` enum.
+    fn set_cooldown(&self, item: impl crate::item::IntoItemKey, ticks: i32);
+
+    /// Returns the remaining cooldown ticks for an item, if active.
+    fn get_cooldown(&self, item: impl crate::item::IntoItemKey) -> Option<i32>;
+
+    /// Checks if an item is currently on cooldown.
+    fn has_cooldown(&self, item: impl crate::item::IntoItemKey) -> bool;
+}
+
+impl PlayerCooldownExt for Player {
+    fn set_cooldown(&self, item: impl crate::item::IntoItemKey, ticks: i32) {
+        self.set_item_cooldown(&item.into_item_key(), ticks);
+    }
+
+    fn get_cooldown(&self, item: impl crate::item::IntoItemKey) -> Option<i32> {
+        self.get_item_cooldown(&item.into_item_key())
+    }
+
+    fn has_cooldown(&self, item: impl crate::item::IntoItemKey) -> bool {
+        self.has_item_cooldown(&item.into_item_key())
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::{CustomStatistic, StatisticCategory};

crates/pumpkin-plugin-api/src/generated/mod.rs

@@ -0,0 +1,4 @@
+#![allow(missing_docs)]
+
+pub mod block;
+pub mod item;

crates/pumpkin-plugin-api/src/item.rs

@@ -0,0 +1,126 @@
+pub use crate::generated::item::Item;
+use crate::wit::pumpkin::plugin::item_stack::ItemStack;
+
+/// Trait for converting types into a valid Minecraft item registry key (e.g. `"minecraft:diamond"`).
+pub trait IntoItemKey {
+    /// Returns the namespaced item registry key.
+    fn into_item_key(self) -> String;
+}
+
+impl IntoItemKey for Item {
+    fn into_item_key(self) -> String {
+        self.resource_location().to_string()
+    }
+}
+
+impl IntoItemKey for &Item {
+    fn into_item_key(self) -> String {
+        self.resource_location().to_string()
+    }
+}
+
+impl IntoItemKey for &str {
+    fn into_item_key(self) -> String {
+        if self.contains(':') {
+            self.to_string()
+        } else {
+            format!("minecraft:{self}")
+        }
+    }
+}
+
+impl IntoItemKey for String {
+    fn into_item_key(self) -> String {
+        if self.contains(':') {
+            self
+        } else {
+            format!("minecraft:{self}")
+        }
+    }
+}
+
+impl IntoItemKey for &String {
+    fn into_item_key(self) -> String {
+        self.as_str().into_item_key()
+    }
+}
+
+/// Extension trait providing typed helper constructors and utilities on `ItemStack`.
+pub trait ItemStackExt {
+    /// Creates a new `ItemStack` from any valid item key (e.g. `Item::Diamond`, `"minecraft:diamond"`, or `"custom:item"`).
+    #[must_use]
+    fn of(item: impl IntoItemKey, count: u8) -> Self;
+
+    /// Returns the typed `Item` enum if this item stack corresponds to a known vanilla item,
+    /// or `None` if it is a custom, modded, or newer unknown item.
+    #[must_use]
+    fn get_item(&self) -> Option<Item>;
+
+    /// Returns whether this item matches the specified typed `Item` enum.
+    #[must_use]
+    fn is_item(&self, item: Item) -> bool;
+
+    /// Checks if this item stack matches a given item (either `Item` enum or string identifier).
+    #[must_use]
+    fn matches_item(&self, item: impl IntoItemKey) -> bool;
+}
+
+impl ItemStackExt for ItemStack {
+    fn of(item: impl IntoItemKey, count: u8) -> Self {
+        Self::new(&item.into_item_key(), count)
+    }
+
+    fn get_item(&self) -> Option<Item> {
+        Item::from_registry_key(&self.get_registry_key())
+    }
+
+    fn is_item(&self, item: Item) -> bool {
+        self.get_item() == Some(item)
+    }
+
+    fn matches_item(&self, item: impl IntoItemKey) -> bool {
+        let expected = item.into_item_key();
+        let actual = self.get_registry_key();
+        let expected_clean = expected.strip_prefix("minecraft:").unwrap_or(&expected);
+        let actual_clean = actual.strip_prefix("minecraft:").unwrap_or(&actual);
+        expected_clean == actual_clean
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn item_to_resource_location() {
+        assert_eq!(Item::Diamond.into_item_key(), "minecraft:diamond");
+        assert_eq!(
+            Item::NetheriteSword.into_item_key(),
+            "minecraft:netherite_sword"
+        );
+        assert_eq!(Item::AcaciaBoat.into_item_key(), "minecraft:acacia_boat");
+        assert_eq!(
+            Item::AllaySpawnEgg.into_item_key(),
+            "minecraft:allay_spawn_egg"
+        );
+        assert_eq!(Item::Tnt.into_item_key(), "minecraft:tnt");
+    }
+
+    #[test]
+    fn string_to_resource_location() {
+        assert_eq!("diamond".into_item_key(), "minecraft:diamond");
+        assert_eq!("minecraft:diamond".into_item_key(), "minecraft:diamond");
+        assert_eq!("custom:laser_gun".into_item_key(), "custom:laser_gun");
+    }
+
+    #[test]
+    fn item_parsing() {
+        assert_eq!(Item::from_name("diamond"), Some(Item::Diamond));
+        assert_eq!(Item::from_name("minecraft:diamond"), Some(Item::Diamond));
+        assert_eq!(
+            Item::from_name("netherite_sword"),
+            Some(Item::NetheriteSword)
+        );
+        assert_eq!(Item::from_name("custom:magic_wand"), None);
+    }
+}

crates/pumpkin-plugin-api/src/lib.rs

@@ -74,6 +74,8 @@ use crate::{
     text::TextComponent,
 };
 
+/// Block definitions and block type helpers.
+pub mod block;
 /// Plugin command registration and handling utilities.
 pub mod commands;
 /// Datapack management and query utilities.
@@ -87,8 +89,11 @@ pub mod events;
 mod ext;
 /// Bedrock UI form builders.
 pub mod forms;
+pub(crate) mod generated;
 /// Unified inventory and container management utilities.
 pub mod inventory;
+/// Typed item definitions and `ItemStack` construction helpers.
+pub mod item;
 /// Specialized mob entity wrappers and helpers.
 pub mod mobs;
 /// Constants for plugin permissions.
@@ -118,15 +123,18 @@ pub use wit::pumpkin::plugin::{
     context::{self, Context, MarketplaceMetadata, Server},
     damage_types as damage_types_wit, data_components, datapack as datapack_wit,
     display as display_wit, enchantments as enchantments_wit, entity,
+    entity_statuses as entity_statuses_wit,
     entity_types::EntityType,
     event::{self as events_wit, EventType},
-    gui, i18n, inventory as inventory_wit, ipc, item_stack, java_dialogs, java_packets, particles,
-    permission, player, recipe as recipe_wit, scoreboard, screens as screens_wit, server,
-    statistics as statistics_wit, text, uuid, world,
+    game_events as game_events_wit, gui, i18n, inventory as inventory_wit, ipc, item_stack,
+    java_dialogs, java_packets, particles, permission, player, potions as potions_wit,
+    recipe as recipe_wit, scoreboard, screens as screens_wit, server, statistics as statistics_wit,
+    text, uuid, world,
 };
 
 // Convenience re-exports of commonly-used plugin types so plugin authors can
 // name them directly (e.g. build an `ItemStack` for a GUI or `/give`).
+pub use block::{BlockStateTypeExt, BlockType, BlockTypeExt, IntoBlockKey};
 pub use damage_types_wit::DamageType;
 pub use datapack::{DatapackInfo, DatapackManager, EnablePosition};
 pub use display::{
@@ -139,15 +147,19 @@ pub use enchantment::{
     AttributeModifierSlot, CustomEnchantment, CustomEnchantmentValue, Enchantment,
     EnchantmentBuilder, EnchantmentError, EnchantmentManager, RegistrableEnchantment,
 };
+pub use entity_statuses_wit::EntityStatus;
 pub use events::{EventHandler, FromIntoEvent};
-pub use ext::player::PlayerEnderChestExt;
+pub use ext::player::{PlayerCooldownExt, PlayerEnderChestExt};
+pub use game_events_wit::GameEvent;
 pub use inventory::{Inventory, PlayerInventory};
+pub use item::{IntoItemKey, Item, ItemStackExt};
 pub use mobs::{
     Ageable, AgeableData, Cat, CatData, Creeper, CreeperData, DyeColor, Enderman, EndermanData,
     EntityCastExt, Fox, FoxData, IronGolem, IronGolemData, MobCast, MobData, Sheep, SheepData,
     Shulker, ShulkerData, Slime, SlimeData, Villager, VillagerData, VillagerProfession, Wolf,
     WolfData, Zombie, ZombieData,
 };
+pub use potions_wit::PotionType;
 pub use recipe::{
     CookingRecipeBuilder, Ingredient, RecipeCategory, RecipeError, RecipeManager,
     RegistrableRecipe, ShapedRecipeBuilder, ShapelessRecipeBuilder,
@@ -155,7 +167,8 @@ pub use recipe::{
 pub use screens_wit::Screen;
 pub use statistics_wit::{CustomStatistic, StatisticCategory};
 pub use team::{PlayerTeamExt, ScoreboardTeamExt, Team, TeamSettingsBuilder};
-pub use wit::pumpkin::plugin::item_stack::ItemStack;
+pub use wit::pumpkin::plugin::attributes::{Attribute, AttributeModifier, ModifierOperation};
+pub use wit::pumpkin::plugin::item_stack::{ItemAttributeModifier, ItemStack};
 pub use wit::pumpkin::plugin::player::Player;
 pub use wit::pumpkin::plugin::scoreboard::{CollisionRule, NametagVisibility, TeamSettings};
 pub use wit::pumpkin::plugin::server::Dimension;

crates/pumpkin-protocol/src/java/client/play/delete_chat.rs

@@ -11,6 +11,7 @@ pub struct CDeleteChat<'a> {
 }
 
 impl<'a> CDeleteChat<'a> {
+    /// Creates a new `CDeleteChat` packet using a raw signature ID `VarInt`.
     #[must_use]
     pub const fn from_id(signature_id: VarInt) -> Self {
         Self {
@@ -19,6 +20,21 @@ impl<'a> CDeleteChat<'a> {
         }
     }
 
+    /// Creates a new `CDeleteChat` packet using a 0-indexed signature cache ID.
+    ///
+    /// In Minecraft's `MessageSignature.Packed`, cached signatures are written as `cache_id + 1`.
+    #[must_use]
+    pub const fn from_cache_id(cache_id: i32) -> Self {
+        Self {
+            signature_id: VarInt(cache_id + 1),
+            signature: None,
+        }
+    }
+
+    /// Creates a new `CDeleteChat` packet using a full 256-byte message signature.
+    ///
+    /// In Minecraft's `MessageSignature.Packed`, a full signature is written as `VarInt(0)`
+    /// followed by the 256 raw signature bytes.
     #[must_use]
     pub const fn from_signature(signature: &'a [u8]) -> Self {
         Self {

crates/pumpkin-protocol/src/java/client/play/server_links.rs

@@ -1,6 +1,9 @@
+use crate::ClientPacket;
 use crate::Link;
+use crate::ser::NetworkWriteExt;
 use pumpkin_data::packet::clientbound::play::SERVER_LINKS;
 use pumpkin_macros::java_packet;
+use pumpkin_util::version::JavaMinecraftVersion;
 
 #[java_packet(SERVER_LINKS)]
 pub struct CPlayServerLinks<'a> {
@@ -13,3 +16,17 @@ impl<'a> CPlayServerLinks<'a> {
         Self { links }
     }
 }
+
+impl ClientPacket for CPlayServerLinks<'_> {
+    fn write_packet_data(
+        &self,
+        mut write: impl std::io::Write,
+        _version: &JavaMinecraftVersion,
+    ) -> Result<(), crate::ser::WritingError> {
+        write.write_var_int(&crate::VarInt(self.links.len() as i32))?;
+        for link in self.links {
+            link.write(&mut write)?;
+        }
+        Ok(())
+    }
+}

crates/pumpkin/src/entity/mob/mod.rs

@@ -25,7 +25,6 @@ use pumpkin_util::random::xoroshiro128::Xoroshiro;
 use pumpkin_util::random::{RandomGenerator, get_seed};
 use pumpkin_util::version::JavaMinecraftVersion;
 use rand::RngExt;
-use std::pin::Pin;
 use std::sync::Arc;
 use std::sync::atomic::Ordering::Relaxed;
 use std::sync::atomic::{AtomicI32, AtomicU8, Ordering};
@@ -1305,15 +1304,13 @@ pub trait PathAwareEntity: Mob + Send + Sync {
         ) >= 0.0
     }
 
-    fn is_navigation<'a>(&'a self) -> Pin<Box<dyn Future<Output = bool> + Send + 'a>> {
-        Box::pin(async {
+    fn is_navigation(&self) -> bool {
         let navigator = self
             .get_mob_entity()
             .navigator
             .lock()
             .unwrap_or_else(std::sync::PoisonError::into_inner);
         !navigator.is_idle()
-        })
     }
 
     // TODO: implement

crates/pumpkin/src/entity/mod.rs

@@ -2619,6 +2619,29 @@ impl Entity {
         }
     }
 
+    /// Sets the number of ticks the entity has been frozen.
+    pub fn set_frozen_ticks(&self, ticks: i32) {
+        let new_frozen_ticks = ticks.clamp(0, Self::MAX_FROZEN_TICKS);
+        self.frozen_ticks.store(new_frozen_ticks, Ordering::Relaxed);
+        let mut bedrock_meta = SyncedActorDataList::new();
+        bedrock_meta.set(
+            entity_data_key::FREEZING_EFFECT_STRENGTH,
+            MetadataValue::Float(new_frozen_ticks as f32),
+        );
+        self.send_meta_data(
+            &[Metadata::new(
+                tracked_data::entity::DATA_TICKS_FROZEN,
+                VarInt(new_frozen_ticks),
+            )],
+            Some(&bedrock_meta),
+        );
+    }
+
+    /// Returns the number of ticks the entity has been frozen.
+    pub fn get_frozen_ticks(&self) -> i32 {
+        self.frozen_ticks.load(Ordering::Relaxed)
+    }
+
     /// Sets the `Entity` yaw & pitch rotation
     pub fn set_rotation(&self, yaw: f32, pitch: f32) {
         // TODO

crates/pumpkin/src/entity/player.rs

@@ -260,15 +260,16 @@ use pumpkin_protocol::codec::var_int::VarInt;
 use pumpkin_protocol::codec::var_long::VarLong;
 use pumpkin_protocol::codec::var_ulong::VarULong;
 use pumpkin_protocol::java::client::play::{
-    Animation, CAcknowledgeBlockChange, CActionBar, CAwardStats, CChangeDifficulty,
+    Animation, CAcknowledgeBlockChange, CActionBar, CAwardStats, CBlockUpdate, CChangeDifficulty,
     CCloseContainer, CCombatDeath, CCustomPayload, CDisguisedChatMessage, CEntityAnimation,
-    CEntityPositionSync, CGameEvent, CItemCooldown, CMapItemData, COpenScreen, CParticle,
-    CPlayerAbilities, CPlayerInfoUpdate, CPlayerPosition, CPlayerSpawnPosition, CRespawn,
-    CSetCamera, CSetContainerContent, CSetContainerProperty, CSetContainerSlot, CSetCursorItem,
-    CSetExperience, CSetHealth, CSetPlayerInventory, CSetSelectedSlot, CSoundEffect, CStopSound,
-    CSubtitle, CSystemChatMessage, CTabList, CTitleAnimation, CTitleText, CUnloadChunk,
-    CUpdateMobEffect, CUpdateTime, GameEvent, MapIcon, MapPatch, Metadata, PlayerAction,
-    PlayerInfoFlags, PlayerSpawnData, PreviousMessage, Statistic,
+    CEntityPositionSync, CEntityVelocity, CGameEvent, CHurtAnimation, CItemCooldown, CMapItemData,
+    COpenBook, COpenScreen, COpenSignEditor, CParticle, CPlayServerLinks, CPlayerAbilities,
+    CPlayerInfoUpdate, CPlayerPosition, CPlayerSpawnPosition, CRespawn, CSetCamera,
+    CSetContainerContent, CSetContainerProperty, CSetContainerSlot, CSetCursorItem, CSetExperience,
+    CSetHealth, CSetPlayerInventory, CSetSelectedSlot, CSoundEffect, CStopSound, CSubtitle,
+    CSystemChatMessage, CTabList, CTitleAnimation, CTitleText, CUnloadChunk, CUpdateMobEffect,
+    CUpdateTime, GameEvent, MapIcon, MapPatch, Metadata, PlayerAction, PlayerInfoFlags,
+    PlayerSpawnData, PreviousMessage, Statistic,
 };
 use pumpkin_protocol::java::server::play::{
     SClickSlot, SContainerButtonClick, SRenameItem, SlotActionType,
@@ -462,6 +463,8 @@ pub struct Player {
     /// Whether the client has reported that it has loaded.
     pub client_loaded: AtomicBool,
     pub bedrock_spawned: AtomicBool,
+    /// Whether the player is frozen in place (movement locked for dialogues/cutscenes).
+    pub is_movement_locked: AtomicBool,
     /// The amount of time (in ticks) the client has to report having finished loading before being timed out.
     pub client_loaded_timeout: AtomicU32,
     /// Counter for tracking chat and command spam. Decays each server tick.
@@ -733,6 +736,7 @@ impl Player {
             gamemode: AtomicCell::new(gamemode),
             previous_gamemode: AtomicCell::new(None),
             camera_target_id: AtomicCell::new(None),
+            is_movement_locked: AtomicBool::new(false),
             // TODO: Send the CPlayerSpawnPosition packet when the client connects with proper values
             respawn_point: std::sync::Mutex::new(None),
             sleeping_since: AtomicCell::new(None),
@@ -2188,6 +2192,126 @@ impl Player {
         self.try_send_client_packet(&packet);
     }
 
+    /// Plays a custom sound event by identifier for the player.
+    pub fn play_custom_sound(
+        &self,
+        sound_name: &str,
+        category: SoundCategory,
+        position: &Vector3<f64>,
+        volume: f32,
+        pitch: f32,
+    ) {
+        self.play_sound_event(
+            pumpkin_protocol::SoundEvent {
+                sound_name: sound_name.into(),
+                range: None,
+            },
+            category,
+            position,
+            volume,
+            pitch,
+            rand::random::<f64>(),
+        );
+    }
+
+    pub fn spawn_particles(
+        &self,
+        particle: Particle,
+        pos: Vector3<f64>,
+        count: u32,
+        offset: Vector3<f32>,
+        max_speed: f32,
+    ) {
+        let packet = CParticle::new(
+            false,
+            false,
+            pos,
+            offset,
+            max_speed,
+            count as i32,
+            (particle.to_id() as i32).into(),
+            &[],
+        );
+        self.try_send_client_packet(&packet);
+    }
+
+    pub fn send_block_change(&self, location: BlockPos, state_id: u16) {
+        let packet = CBlockUpdate::new(location, (state_id as i32).into());
+        self.try_send_client_packet(&packet);
+    }
+
+    pub fn reset_block_change(&self, location: BlockPos) {
+        let state_id = self.world().get_block_state_id(&location);
+        let packet = CBlockUpdate::new(location, (state_id.as_u16() as i32).into());
+        self.try_send_client_packet(&packet);
+    }
+
+    pub fn send_hurt_animation(&self, yaw: f32) {
+        let packet = CHurtAnimation::new(self.entity_id().into(), yaw);
+        self.try_send_client_packet(&packet);
+    }
+
+    pub fn open_book(&self, hand: Hand) {
+        let hand_val = match hand {
+            Hand::Right => 0,
+            Hand::Left => 1,
+        };
+        let packet = COpenBook::new(hand_val.into());
+        self.try_send_client_packet(&packet);
+    }
+
+    pub fn open_sign_editor(&self, location: BlockPos, is_front_text: bool) {
+        let packet = COpenSignEditor::new(location, is_front_text);
+        self.try_send_client_packet(&packet);
+    }
+
+    pub fn set_velocity(&self, velocity: Vector3<f64>) {
+        self.living_entity.entity.set_velocity(velocity);
+        self.try_send_client_packet(&CEntityVelocity::new(self.entity_id().into(), velocity));
+    }
+
+    pub fn apply_knockback(&self, strength: f64, x: f64, z: f64) {
+        let current_vel = self.living_entity.entity.velocity.load();
+        let norm = x.hypot(z);
+        if norm > 0.0 {
+            let vx = current_vel.x / 2.0 - (x / norm) * strength;
+            let vz = current_vel.z / 2.0 - (z / norm) * strength;
+            let vy = (current_vel.y / 2.0 + strength).min(0.4);
+            self.set_velocity(Vector3::new(vx, vy, vz));
+        }
+    }
+
+    pub fn set_movement_locked(&self, locked: bool) {
+        self.is_movement_locked.store(locked, Ordering::Relaxed);
+    }
+
+    pub fn is_movement_locked(&self) -> bool {
+        self.is_movement_locked.load(Ordering::Relaxed)
+    }
+
+    pub fn set_freeze_ticks(&self, ticks: i32) {
+        self.living_entity.entity.set_frozen_ticks(ticks);
+    }
+
+    pub fn get_freeze_ticks(&self) -> i32 {
+        self.living_entity.entity.get_frozen_ticks()
+    }
+
+    pub fn send_game_event(
+        &self,
+        event: pumpkin_protocol::java::client::play::GameEvent,
+        value: f32,
+    ) {
+        let packet = CGameEvent::new(event, value);
+        self.try_send_client_packet(&packet);
+    }
+
+    /// Sends custom server links to the player (displayed in the client Esc pause menu).
+    pub fn set_server_links(&self, links: &[pumpkin_protocol::Link<'_>]) {
+        let packet = CPlayServerLinks::new(links);
+        self.try_send_client_packet(&packet);
+    }
+
     pub fn process_inbound_packets(&self) {
         const MAX_PACKETS_PER_TICK: usize = 64;
 
@@ -2662,6 +2786,32 @@ impl Player {
         self.living_entity.entity.entity_id
     }
 
+    /// Sets the player's camera target entity ID.
+    /// If `target_id` matches the player's own entity ID, resets the camera back to the player.
+    pub fn set_camera_entity_id(&self, target_id: i32) {
+        if target_id == self.entity_id() {
+            self.camera_target_id.store(None);
+            self.try_send_client_packet(&CSetCamera::new(self.entity_id().into()));
+        } else {
+            self.camera_target_id.store(Some(target_id));
+            self.try_send_client_packet(&CSetCamera::new(target_id.into()));
+        }
+    }
+
+    /// Resets the player's camera back to their own perspective.
+    pub fn reset_camera(&self) {
+        self.camera_target_id.store(None);
+        self.try_send_client_packet(&CSetCamera::new(self.entity_id().into()));
+    }
+
+    /// Gets the entity ID of the entity that the player's camera is currently attached to,
+    /// or the player's own entity ID if not overridden.
+    pub fn get_camera_entity_id(&self) -> i32 {
+        self.camera_target_id
+            .load()
+            .unwrap_or_else(|| self.entity_id())
+    }
+
     pub fn world(&self) -> Arc<World> {
         self.living_entity.entity.world.load_full()
     }

crates/pumpkin/src/net/bedrock/play/chat_message.rs

@@ -16,7 +16,7 @@ impl BedrockClient {
 
         send_cancellable! {{
             server;
-            PlayerChatEvent::new(player.clone(), packet.message.into_owned(), vec![]);
+            PlayerChatEvent::new(player.clone(), packet.message.into_owned(), vec![], None);
 
             'after: {
                 info!("<chat> {}: {}", gameprofile.name, event.message);

crates/pumpkin/src/net/java/play/chat_message.rs

@@ -41,7 +41,12 @@ impl JavaClient {
 
         send_cancellable! {{
             server;
-            PlayerChatEvent::new(player.clone(), chat_message.message.to_string(), vec![]);
+            PlayerChatEvent::new(
+                player.clone(),
+                chat_message.message.to_string(),
+                vec![],
+                chat_message.signature.map(<[u8]>::to_vec),
+            );
 
             'after: {
                 info!("<chat> {}: {}", gameprofile.name, event.message);

crates/pumpkin/src/net/java/play/player_position.rs

@@ -64,6 +64,10 @@ impl JavaClient {
         {
             return;
         }
+        if player.is_movement_locked.load(Ordering::Relaxed) {
+            self.force_tp(player, player.get_entity().pos.load());
+            return;
+        }
         // y = feet Y
         let position = packet.position;
         if position.x.is_nan() || position.y.is_nan() || position.z.is_nan() {
@@ -197,6 +201,12 @@ impl JavaClient {
         {
             return;
         }
+        if player.is_movement_locked.load(Ordering::Relaxed) {
+            let entity = player.get_entity();
+            entity.set_rotation(packet.yaw, packet.pitch);
+            self.force_tp(player, entity.pos.load());
+            return;
+        }
         // y = feet Y
         let position = packet.position;
         if !position.x.is_finite()

crates/pumpkin/src/plugin/api/events/player/player_chat.rs

@@ -19,6 +19,9 @@ pub struct PlayerChatEvent {
 
     /// The recipients of the message. If empty, the message is broadcasted to all players.
     pub recipients: Vec<Arc<Player>>,
+
+    /// The optional 256-byte cryptographic signature of the message.
+    pub signature: Option<Vec<u8>>,
 }
 
 impl PlayerChatEvent {
@@ -28,14 +31,21 @@ impl PlayerChatEvent {
     /// - `player`: A reference to the player sending the message.
     /// - `message`: The message being sent.
     /// - `recipients`: The recipients of the message. If empty, the message is broadcasted to all players.
+    /// - `signature`: The optional cryptographic signature of the message.
     ///
     /// # Returns
     /// A new instance of `PlayerChatEvent`.
-    pub const fn new(player: Arc<Player>, message: String, recipients: Vec<Arc<Player>>) -> Self {
+    pub const fn new(
+        player: Arc<Player>,
+        message: String,
+        recipients: Vec<Arc<Player>>,
+        signature: Option<Vec<u8>>,
+    ) -> Self {
         Self {
             player,
             message,
             recipients,
+            signature,
             cancelled: false,
         }
     }

crates/pumpkin/src/plugin/loader/wasm/wasm_host/wit/v0_1/events/player.rs

@@ -322,6 +322,7 @@ impl ToFromWasmEvent for PlayerChatEvent {
             player,
             message: self.message.clone(),
             recipients,
+            signature: self.signature.clone(),
             cancelled: self.cancelled,
         })
     }
@@ -336,6 +337,7 @@ impl ToFromWasmEvent for PlayerChatEvent {
                     .into_iter()
                     .map(|recipient| consume_player(state, &recipient))
                     .collect(),
+                signature: data.signature,
                 cancelled: data.cancelled,
             },
             _ => panic!("unexpected event type"),

crates/pumpkin/src/plugin/loader/wasm/wasm_host/wit/v0_1/item_stack.rs

@@ -1,10 +1,15 @@
 use crate::plugin::loader::wasm::wasm_host::state::{ItemStackResource, PluginHostState};
+use crate::plugin::loader::wasm::wasm_host::wit::v0_1::pumpkin::plugin::attributes::{
+    Attribute as WitAttribute, AttributeModifier as WitAttributeModifier,
+    ModifierOperation as WitModifierOperation,
+};
 use crate::plugin::loader::wasm::wasm_host::wit::v0_1::pumpkin::plugin::data_components::DataComponent as WitDataComponent;
 use crate::plugin::loader::wasm::wasm_host::wit::v0_1::pumpkin::plugin::enchantments::Enchantment as WitEnchantment;
 use crate::plugin::loader::wasm::wasm_host::wit::v0_1::pumpkin::plugin::item_stack::{
     CustomEnchantmentValue as WitCustomEnchantmentValue,
     DataComponentValue as WitDataComponentValue, EnchantmentValue as WitEnchantmentValue,
-    Host as ItemStackInterfaceHost, HostItemStack, ItemStack as ItemStackHandle,
+    Host as ItemStackInterfaceHost, HostItemStack,
+    ItemAttributeModifier as WitItemAttributeModifier, ItemStack as ItemStackHandle,
 };
 use crate::plugin::loader::wasm::wasm_host::wit::v0_1::pumpkin::plugin::text::TextComponent as WitTextComponent;
 use std::sync::Arc;
@@ -14,8 +19,12 @@ use wasmtime::component::Resource;
 use super::common::{WitNbtTree, from_wit_nbt_tree, to_wit_nbt_tree};
 use crate::plugin::loader::wasm::wasm_host::wit::v0_1::player::text_component_from_resource;
 use pumpkin_data::Enchantment;
+use pumpkin_data::attributes::Attributes;
 use pumpkin_data::data_component::DataComponent;
-use pumpkin_data::data_component_impl::{CustomNameImpl, EnchantmentsImpl, LoreImpl};
+use pumpkin_data::data_component_impl::combat::{Modifier, Operation};
+use pumpkin_data::data_component_impl::{
+    AttributeModifiersImpl, CustomNameImpl, EnchantmentsImpl, LoreImpl,
+};
 use pumpkin_nbt::tag::NbtTag;
 use pumpkin_protocol::codec::data_component::{deserialize, serialize};
 use std::borrow::Cow;
@@ -40,6 +49,30 @@ pub(crate) fn from_wit_enchantment(id: WitEnchantment) -> &'static Enchantment {
     Enchantment::from_id(id as u8).expect("valid enchantment ID")
 }
 
+#[must_use]
+pub fn to_wit_attribute(attr: &Attributes) -> WitAttribute {
+    // SAFETY: WIT enum is generated in the same order as the internal ID
+    unsafe { std::mem::transmute(attr.id) }
+}
+
+#[must_use]
+pub const fn from_wit_item_operation(op: WitModifierOperation) -> Operation {
+    match op {
+        WitModifierOperation::Add => Operation::AddValue,
+        WitModifierOperation::MultiplyBase => Operation::AddMultipliedBase,
+        WitModifierOperation::MultiplyTotal => Operation::AddMultipliedTotal,
+    }
+}
+
+#[must_use]
+pub const fn to_wit_item_operation(op: Operation) -> WitModifierOperation {
+    match op {
+        Operation::AddValue => WitModifierOperation::Add,
+        Operation::AddMultipliedBase => WitModifierOperation::MultiplyBase,
+        Operation::AddMultipliedTotal => WitModifierOperation::MultiplyTotal,
+    }
+}
+
 impl PluginHostState {
     pub fn get_item_stack(
         &self,
@@ -380,6 +413,101 @@ impl HostItemStack for PluginHostState {
         Ok(false)
     }
 
+    async fn get_attribute_modifiers(
+        &mut self,
+        res: Resource<ItemStackHandle>,
+    ) -> wasmtime::Result<Vec<WitItemAttributeModifier>> {
+        let stack = self.get_item_stack(&res)?;
+        let stack = stack.lock().await;
+        let mut modifiers = Vec::new();
+        if let Some(comp) = stack.get_data_component::<AttributeModifiersImpl>() {
+            for m in comp.attribute_modifiers.iter() {
+                modifiers.push(WitItemAttributeModifier {
+                    attribute: to_wit_attribute(m.r#type),
+                    modifier: WitAttributeModifier {
+                        id: m.id.to_string(),
+                        amount: m.amount,
+                        operation: to_wit_item_operation(m.operation),
+                    },
+                    slot: super::enchantment::to_wit_slot(&m.slot),
+                });
+            }
+        }
+        Ok(modifiers)
+    }
+
+    async fn add_attribute_modifier(
+        &mut self,
+        res: Resource<ItemStackHandle>,
+        modifier: WitItemAttributeModifier,
+    ) -> wasmtime::Result<()> {
+        let stack = self.get_item_stack(&res)?;
+        let mut stack = stack.lock().await;
+        let attr = super::living_entity::from_wit_attribute(modifier.attribute);
+        let slot = super::enchantment::to_data_slot(modifier.slot);
+        let op = from_wit_item_operation(modifier.modifier.operation);
+        let leaked_id: &'static str = Box::leak(modifier.modifier.id.into_boxed_str());
+
+        let mut current_mods = stack
+            .get_data_component::<AttributeModifiersImpl>()
+            .map_or_else(Vec::new, |comp| {
+                comp.attribute_modifiers.clone().into_owned()
+            });
+
+        current_mods.retain(|m| !(m.r#type == attr && m.id == leaked_id && m.slot == slot));
+        current_mods.push(Modifier {
+            r#type: attr,
+            id: leaked_id,
+            amount: modifier.modifier.amount,
+            operation: op,
+            slot,
+        });
+
+        stack.set_data_component(AttributeModifiersImpl {
+            attribute_modifiers: Cow::Owned(current_mods),
+        });
+
+        Ok(())
+    }
+
+    async fn remove_attribute_modifiers(
+        &mut self,
+        res: Resource<ItemStackHandle>,
+        attribute: WitAttribute,
+    ) -> wasmtime::Result<()> {
+        let stack = self.get_item_stack(&res)?;
+        let mut stack = stack.lock().await;
+        let attr = super::living_entity::from_wit_attribute(attribute);
+
+        if let Some(comp) = stack.get_data_component::<AttributeModifiersImpl>() {
+            let mut current_mods = comp.attribute_modifiers.clone().into_owned();
+            current_mods.retain(|m| m.r#type != attr);
+            if current_mods.is_empty() {
+                stack
+                    .patch
+                    .retain(|(id, _)| *id != DataComponent::AttributeModifiers);
+            } else {
+                stack.set_data_component(AttributeModifiersImpl {
+                    attribute_modifiers: Cow::Owned(current_mods),
+                });
+            }
+        }
+
+        Ok(())
+    }
+
+    async fn clear_attribute_modifiers(
+        &mut self,
+        res: Resource<ItemStackHandle>,
+    ) -> wasmtime::Result<()> {
+        let stack = self.get_item_stack(&res)?;
+        let mut stack = stack.lock().await;
+        stack
+            .patch
+            .retain(|(id, _)| *id != DataComponent::AttributeModifiers);
+        Ok(())
+    }
+
     async fn get_lore(
         &mut self,
         res: Resource<ItemStackHandle>,

crates/pumpkin/src/plugin/loader/wasm/wasm_host/wit/v0_1/mob.rs

@@ -980,6 +980,21 @@ impl HostMob for PluginHostState {
         Ok(false)
     }
 
+    async fn set_freeze_ticks(
+        &mut self,
+        this: Resource<WitMob>,
+        ticks: i32,
+    ) -> wasmtime::Result<()> {
+        let entity = mob_from_resource(self, &this)?;
+        entity.get_entity().set_frozen_ticks(ticks);
+        Ok(())
+    }
+
+    async fn get_freeze_ticks(&mut self, this: Resource<WitMob>) -> wasmtime::Result<i32> {
+        let entity = mob_from_resource(self, &this)?;
+        Ok(entity.get_entity().get_frozen_ticks())
+    }
+
     async fn drop(&mut self, rep: Resource<WitMob>) -> wasmtime::Result<()> {
         let _ = self
             .resource_table

crates/pumpkin/src/plugin/loader/wasm/wasm_host/wit/v0_1/mod.rs

@@ -84,6 +84,9 @@ impl pumpkin::plugin::damage_types::Host for PluginHostState {}
 impl pumpkin::plugin::screens::Host for PluginHostState {}
 impl pumpkin::plugin::statistics::Host for PluginHostState {}
 impl pumpkin::plugin::game_rules::Host for PluginHostState {}
+impl pumpkin::plugin::game_events::Host for PluginHostState {}
+impl pumpkin::plugin::potions::Host for PluginHostState {}
+impl pumpkin::plugin::entity_statuses::Host for PluginHostState {}
 
 pub fn add_to_linker(linker: &mut Linker<PluginHostState>) -> wasmtime::Result<()> {
     Plugin::add_to_linker::<_, HasSelf<_>>(linker, |state: &mut PluginHostState| state)?;

crates/pumpkin/src/plugin/loader/wasm/wasm_host/wit/v0_1/player.rs

@@ -48,6 +48,62 @@ use pumpkin_protocol::bedrock::client::set_actor_data::{
 use pumpkin_protocol::codec::var_ulong::VarULong;
 use pumpkin_util::version::{BedrockMinecraftVersion, JavaMinecraftVersion};
 
+const fn from_wit_client_game_event(
+    event: pumpkin::plugin::player::ClientGameEvent,
+) -> pumpkin_protocol::java::client::play::GameEvent {
+    use pumpkin::plugin::player::ClientGameEvent as W;
+    use pumpkin_protocol::java::client::play::GameEvent as G;
+    match event {
+        W::NoRespawnBlockAvailable => G::NoRespawnBlockAvailable,
+        W::BeginRaining => G::BeginRaining,
+        W::EndRaining => G::EndRaining,
+        W::ChangeGameMode => G::ChangeGameMode,
+        W::WinGame => G::WinGame,
+        W::DemoEvent => G::DemoEvent,
+        W::ArrowHitPlayer => G::ArrowHitPlayer,
+        W::RainLevelChange => G::RainLevelChange,
+        W::ThunderLevelChange => G::ThunderLevelChange,
+        W::PlayPufferfishStringSound => G::PlayPufferfishStringSound,
+        W::PlayElderGuardianMobAppearance => G::PlayElderGuardianMobAppearance,
+        W::EnabledRespawnScreen => G::EnabledRespawnScreen,
+        W::LimitedCrafting => G::LimitedCrafting,
+        W::StartWaitingChunks => G::StartWaitingChunks,
+    }
+}
+
+pub(crate) fn from_wit_server_link(
+    state: &PluginHostState,
+    link: pumpkin::plugin::player::ServerLink,
+) -> wasmtime::Result<(pumpkin_protocol::Label, String)> {
+    use pumpkin::plugin::player::{KnownServerLink, ServerLinkLabel};
+    let label = match link.label {
+        ServerLinkLabel::Known(known) => {
+            let link_type = match known {
+                KnownServerLink::BugReport => pumpkin_protocol::LinkType::BugReport,
+                KnownServerLink::CommunityGuidelines => {
+                    pumpkin_protocol::LinkType::CommunityGuidelines
+                }
+                KnownServerLink::Support => pumpkin_protocol::LinkType::Support,
+                KnownServerLink::Status => pumpkin_protocol::LinkType::Status,
+                KnownServerLink::Feedback => pumpkin_protocol::LinkType::Feedback,
+                KnownServerLink::Community => pumpkin_protocol::LinkType::Community,
+                KnownServerLink::Website => pumpkin_protocol::LinkType::Website,
+                KnownServerLink::Forums => pumpkin_protocol::LinkType::Forums,
+                KnownServerLink::News => pumpkin_protocol::LinkType::News,
+                KnownServerLink::Announcements => pumpkin_protocol::LinkType::Announcements,
+            };
+            pumpkin_protocol::Label::BuiltIn(link_type)
+        }
+        ServerLinkLabel::Custom(text) => {
+            let text_res = state
+                .resource_table
+                .get::<TextComponentResource>(&Resource::new_own(text.rep()))?;
+            pumpkin_protocol::Label::TextComponent(Box::new(text_res.provider.clone()))
+        }
+    };
+    Ok((label, link.url))
+}
+
 const fn to_wasm_java_version(
     version: JavaMinecraftVersion,
 ) -> pumpkin::plugin::player::JavaMinecraftVersion {
@@ -1512,6 +1568,363 @@ impl pumpkin::plugin::player::HostPlayer for PluginHostState {
         Ok(())
     }
 
+    async fn delete_message_by_signature(
+        &mut self,
+        player: Resource<Player>,
+        signature: Vec<u8>,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        if let Some(client) = player.client.java() {
+            let packet =
+                pumpkin_protocol::java::client::play::CDeleteChat::from_signature(&signature);
+            client.send_packet(&packet).await;
+        }
+        Ok(())
+    }
+
+    async fn delete_message_by_id(
+        &mut self,
+        player: Resource<Player>,
+        signature_id: i32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        if let Some(client) = player.client.java() {
+            let packet =
+                pumpkin_protocol::java::client::play::CDeleteChat::from_cache_id(signature_id);
+            client.send_packet(&packet).await;
+        }
+        Ok(())
+    }
+
+    async fn set_camera(
+        &mut self,
+        player: Resource<Player>,
+        entity: Option<
+            Resource<
+                crate::plugin::loader::wasm::wasm_host::wit::v0_1::pumpkin::plugin::world::Entity,
+            >,
+        >,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        if let Some(target_res) = entity {
+            let target =
+                crate::plugin::loader::wasm::wasm_host::wit::v0_1::entity::entity_from_resource(
+                    self,
+                    &target_res,
+                )?;
+            player.set_camera_entity_id(target.get_entity().entity_id);
+        } else {
+            player.reset_camera();
+        }
+        Ok(())
+    }
+
+    async fn set_camera_entity_id(
+        &mut self,
+        player: Resource<Player>,
+        entity_id: u32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.set_camera_entity_id(entity_id as i32);
+        Ok(())
+    }
+
+    async fn get_camera_entity_id(&mut self, player: Resource<Player>) -> wasmtime::Result<u32> {
+        let player = player_from_resource(self, &player)?;
+        Ok(player.get_camera_entity_id() as u32)
+    }
+
+    async fn reset_camera(&mut self, player: Resource<Player>) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.reset_camera();
+        Ok(())
+    }
+
+    async fn play_sound(
+        &mut self,
+        player: Resource<Player>,
+        sound: pumpkin::plugin::sounds::Sound,
+        category: pumpkin::plugin::sounds::SoundCategory,
+        volume: f32,
+        pitch: f32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let sound_name = format!("{sound:?}").to_lowercase().replace('_', ".");
+        let sound_data = pumpkin_data::sound::Sound::from_name(&sound_name)
+            .ok_or_else(|| wasmtime::Error::msg(format!("Unknown sound: {sound_name}")))?;
+        let internal_category = super::world::from_wit_sound_category(category);
+        let pos = player.position();
+        player.play_sound(
+            sound_data as u16,
+            internal_category,
+            &pos,
+            volume,
+            pitch,
+            rand::random::<f64>(),
+        );
+        Ok(())
+    }
+
+    async fn play_sound_at(
+        &mut self,
+        player: Resource<Player>,
+        pos: pumpkin::plugin::common::Position,
+        sound: pumpkin::plugin::sounds::Sound,
+        category: pumpkin::plugin::sounds::SoundCategory,
+        volume: f32,
+        pitch: f32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let sound_name = format!("{sound:?}").to_lowercase().replace('_', ".");
+        let sound_data = pumpkin_data::sound::Sound::from_name(&sound_name)
+            .ok_or_else(|| wasmtime::Error::msg(format!("Unknown sound: {sound_name}")))?;
+        let internal_category = super::world::from_wit_sound_category(category);
+        player.play_sound(
+            sound_data as u16,
+            internal_category,
+            &pumpkin_util::math::vector3::Vector3::new(pos.0, pos.1, pos.2),
+            volume,
+            pitch,
+            rand::random::<f64>(),
+        );
+        Ok(())
+    }
+
+    async fn stop_sound(
+        &mut self,
+        player: Resource<Player>,
+        sound: Option<pumpkin::plugin::sounds::Sound>,
+        category: Option<pumpkin::plugin::sounds::SoundCategory>,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let sound_rl = sound.and_then(|s| {
+            let sound_name = format!("{s:?}").to_lowercase().replace('_', ".");
+            pumpkin_data::sound::Sound::from_name(&sound_name).map(|s| s.to_name().into())
+        });
+        let cat = category.map(super::world::from_wit_sound_category);
+        player.stop_sound(sound_rl, cat);
+        Ok(())
+    }
+
+    async fn play_custom_sound(
+        &mut self,
+        player: Resource<Player>,
+        sound_name: String,
+        category: pumpkin::plugin::sounds::SoundCategory,
+        volume: f32,
+        pitch: f32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let internal_category = super::world::from_wit_sound_category(category);
+        let pos = player.position();
+        player.play_custom_sound(&sound_name, internal_category, &pos, volume, pitch);
+        Ok(())
+    }
+
+    async fn play_custom_sound_at(
+        &mut self,
+        player: Resource<Player>,
+        pos: pumpkin::plugin::common::Position,
+        sound_name: String,
+        category: pumpkin::plugin::sounds::SoundCategory,
+        volume: f32,
+        pitch: f32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let internal_category = super::world::from_wit_sound_category(category);
+        player.play_custom_sound(
+            &sound_name,
+            internal_category,
+            &pumpkin_util::math::vector3::Vector3::new(pos.0, pos.1, pos.2),
+            volume,
+            pitch,
+        );
+        Ok(())
+    }
+
+    async fn stop_custom_sound(
+        &mut self,
+        player: Resource<Player>,
+        sound_name: Option<String>,
+        category: Option<pumpkin::plugin::sounds::SoundCategory>,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let sound_rl = sound_name
+            .as_deref()
+            .map(pumpkin_util::resource_location::ResourceLocation::from);
+        let cat = category.map(super::world::from_wit_sound_category);
+        player.stop_sound(sound_rl, cat);
+        Ok(())
+    }
+
+    async fn spawn_particles(
+        &mut self,
+        player: Resource<Player>,
+        particle: pumpkin::plugin::particles::Particle,
+        pos: pumpkin::plugin::common::Position,
+        count: u32,
+        offset: pumpkin::plugin::common::Position,
+        max_speed: f32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let particle_data =
+            pumpkin_data::particle::Particle::from_id(particle as u16).ok_or_else(|| {
+                wasmtime::Error::msg(format!("Unknown particle ID: {}", particle as u16))
+            })?;
+        player.spawn_particles(
+            particle_data,
+            pumpkin_util::math::vector3::Vector3::new(pos.0, pos.1, pos.2),
+            count,
+            pumpkin_util::math::vector3::Vector3::new(
+                offset.0 as f32,
+                offset.1 as f32,
+                offset.2 as f32,
+            ),
+            max_speed,
+        );
+        Ok(())
+    }
+
+    async fn send_block_change(
+        &mut self,
+        player: Resource<Player>,
+        pos: pumpkin::plugin::common::BlockPos,
+        block_id: u16,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.send_block_change(
+            pumpkin_util::math::position::BlockPos(pumpkin_util::math::vector3::Vector3::new(
+                pos.x, pos.y, pos.z,
+            )),
+            block_id,
+        );
+        Ok(())
+    }
+
+    async fn reset_block_change(
+        &mut self,
+        player: Resource<Player>,
+        pos: pumpkin::plugin::common::BlockPos,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.reset_block_change(pumpkin_util::math::position::BlockPos(
+            pumpkin_util::math::vector3::Vector3::new(pos.x, pos.y, pos.z),
+        ));
+        Ok(())
+    }
+
+    async fn send_hurt_animation(
+        &mut self,
+        player: Resource<Player>,
+        yaw: f32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.send_hurt_animation(yaw);
+        Ok(())
+    }
+
+    async fn open_book(
+        &mut self,
+        player: Resource<Player>,
+        hand: pumpkin::plugin::common::Hand,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let hand = match hand {
+            pumpkin::plugin::common::Hand::Right => pumpkin_util::Hand::Right,
+            pumpkin::plugin::common::Hand::Left => pumpkin_util::Hand::Left,
+        };
+        player.open_book(hand);
+        Ok(())
+    }
+
+    async fn open_sign_editor(
+        &mut self,
+        player: Resource<Player>,
+        pos: pumpkin::plugin::common::BlockPos,
+        is_front_text: bool,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.open_sign_editor(
+            pumpkin_util::math::position::BlockPos(pumpkin_util::math::vector3::Vector3::new(
+                pos.x, pos.y, pos.z,
+            )),
+            is_front_text,
+        );
+        Ok(())
+    }
+
+    async fn set_velocity(
+        &mut self,
+        player: Resource<Player>,
+        velocity: pumpkin::plugin::common::Position,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.set_velocity(pumpkin_util::math::vector3::Vector3::new(
+            velocity.0, velocity.1, velocity.2,
+        ));
+        Ok(())
+    }
+
+    async fn apply_knockback(
+        &mut self,
+        player: Resource<Player>,
+        strength: f64,
+        x: f64,
+        z: f64,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.apply_knockback(strength, x, z);
+        Ok(())
+    }
+
+    async fn set_movement_locked(
+        &mut self,
+        player: Resource<Player>,
+        locked: bool,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.set_movement_locked(locked);
+        Ok(())
+    }
+
+    async fn is_movement_locked(&mut self, player: Resource<Player>) -> wasmtime::Result<bool> {
+        let player = player_from_resource(self, &player)?;
+        Ok(player.is_movement_locked())
+    }
+
+    async fn set_freeze_ticks(
+        &mut self,
+        player: Resource<Player>,
+        ticks: i32,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        player.set_freeze_ticks(ticks);
+        Ok(())
+    }
+
+    async fn get_freeze_ticks(&mut self, player: Resource<Player>) -> wasmtime::Result<i32> {
+        let player = player_from_resource(self, &player)?;
+        Ok(player.get_freeze_ticks())
+    }
+
+    async fn set_server_links(
+        &mut self,
+        player: Resource<Player>,
+        links: Vec<pumpkin::plugin::player::ServerLink>,
+    ) -> wasmtime::Result<()> {
+        let player = player_from_resource(self, &player)?;
+        let mut converted = Vec::new();
+        for link in links {
+            converted.push(from_wit_server_link(self, link)?);
+        }
+        let protocol_links: Vec<pumpkin_protocol::Link<'_>> = converted
+            .iter()
+            .map(|(label, url)| pumpkin_protocol::Link::new(label.clone(), url))
+            .collect();
+        player.set_server_links(&protocol_links);
+        Ok(())
+    }
+
     async fn add_effect(
         &mut self,
         player: Resource<Player>,
@@ -3331,6 +3744,52 @@ impl pumpkin::plugin::player::HostJavaPlayer for PluginHostState {
         Ok(())
     }
 
+    async fn send_game_event(
+        &mut self,
+        player: Resource<pumpkin::plugin::player::JavaPlayer>,
+        event: pumpkin::plugin::player::ClientGameEvent,
+        value: f32,
+    ) -> wasmtime::Result<()> {
+        let player = self
+            .resource_table
+            .get::<crate::plugin::loader::wasm::wasm_host::state::JavaPlayerResource>(
+                &Resource::new_own(player.rep()),
+            )
+            .map_err(|_| wasmtime::Error::msg("invalid java-player resource handle"))?
+            .provider
+            .clone();
+
+        let internal_event = from_wit_client_game_event(event);
+        player.send_game_event(internal_event, value);
+        Ok(())
+    }
+
+    async fn send_entity_status(
+        &mut self,
+        player: Resource<pumpkin::plugin::player::JavaPlayer>,
+        entity_id: i32,
+        status: pumpkin::plugin::entity_statuses::EntityStatus,
+    ) -> wasmtime::Result<()> {
+        let player = self
+            .resource_table
+            .get::<crate::plugin::loader::wasm::wasm_host::state::JavaPlayerResource>(
+                &Resource::new_own(player.rep()),
+            )
+            .map_err(|_| wasmtime::Error::msg("invalid java-player resource handle"))?
+            .provider
+            .clone();
+
+        // SAFETY: The WIT enum variants and discriminants are 1:1 generated from entity_statuses.json
+        let internal_status: pumpkin_data::entity_status::EntityStatus =
+            unsafe { std::mem::transmute(status as u8) };
+        let packet = pumpkin_protocol::java::client::play::CEntityStatus::new(
+            entity_id,
+            internal_status as u8 as i8,
+        );
+        player.try_send_client_packet(&packet);
+        Ok(())
+    }
+
     async fn drop(
         &mut self,
         rep: Resource<pumpkin::plugin::player::JavaPlayer>,

crates/pumpkin/src/plugin/loader/wasm/wasm_host/wit/v0_1/server.rs

@@ -304,6 +304,34 @@ impl pumpkin::plugin::server::HostServer for PluginHostState {
         Ok(())
     }
 
+    async fn delete_message_by_signature(
+        &mut self,
+        _rep: Resource<Server>,
+        signature: Vec<u8>,
+    ) -> wasmtime::Result<()> {
+        let server = self
+            .server
+            .as_ref()
+            .ok_or_else(|| wasmtime::Error::msg("Server not available"))?;
+        let packet = pumpkin_protocol::java::client::play::CDeleteChat::from_signature(&signature);
+        server.broadcast_packet_all(&packet);
+        Ok(())
+    }
+
+    async fn delete_message_by_id(
+        &mut self,
+        _rep: Resource<Server>,
+        signature_id: i32,
+    ) -> wasmtime::Result<()> {
+        let server = self
+            .server
+            .as_ref()
+            .ok_or_else(|| wasmtime::Error::msg("Server not available"))?;
+        let packet = pumpkin_protocol::java::client::play::CDeleteChat::from_cache_id(signature_id);
+        server.broadcast_packet_all(&packet);
+        Ok(())
+    }
+
     async fn broadcast_tab_list_header_footer(
         &mut self,
         _rep: Resource<Server>,
@@ -618,6 +646,27 @@ impl pumpkin::plugin::server::HostServer for PluginHostState {
         self.add_datapack_manager(server.clone())
     }
 
+    async fn set_server_links(
+        &mut self,
+        _rep: Resource<Server>,
+        links: Vec<pumpkin::plugin::player::ServerLink>,
+    ) -> wasmtime::Result<()> {
+        let server = self
+            .server
+            .clone()
+            .ok_or_else(|| wasmtime::Error::msg("Server not available"))?;
+        let mut converted = Vec::new();
+        for link in links {
+            converted.push(super::player::from_wit_server_link(self, link)?);
+        }
+        let protocol_links: Vec<pumpkin_protocol::Link<'_>> = converted
+            .iter()
+            .map(|(label, url)| pumpkin_protocol::Link::new(label.clone(), url))
+            .collect();
+        server.broadcast_server_links(&protocol_links);
+        Ok(())
+    }
+
     async fn drop(&mut self, rep: Resource<Server>) -> wasmtime::Result<()> {
         self.resource_table
             .delete::<ServerResource>(Resource::new_own(rep.rep()))

crates/pumpkin/src/plugin/loader/wasm/wasm_host/wit/v0_1/world.rs

@@ -864,7 +864,7 @@ impl pumpkin::plugin::world::HostWorld for PluginHostState {
         &mut self,
         world: Resource<World>,
         sound: pumpkin::plugin::sounds::Sound,
-        category: pumpkin::plugin::world::SoundCategory,
+        category: pumpkin::plugin::sounds::SoundCategory,
         pos: pumpkin::plugin::common::Position,
         volume: f32,
         pitch: f32,
@@ -874,38 +874,7 @@ impl pumpkin::plugin::world::HostWorld for PluginHostState {
         let sound_data = pumpkin_data::sound::Sound::from_name(&sound_name)
             .ok_or_else(|| wasmtime::Error::msg(format!("Unknown sound: {sound_name}")))?;
 
-        let internal_category = match category {
-            pumpkin::plugin::world::SoundCategory::Master => {
-                pumpkin_data::sound::SoundCategory::Master
-            }
-            pumpkin::plugin::world::SoundCategory::Music => {
-                pumpkin_data::sound::SoundCategory::Music
-            }
-            pumpkin::plugin::world::SoundCategory::Records => {
-                pumpkin_data::sound::SoundCategory::Records
-            }
-            pumpkin::plugin::world::SoundCategory::Weather => {
-                pumpkin_data::sound::SoundCategory::Weather
-            }
-            pumpkin::plugin::world::SoundCategory::Blocks => {
-                pumpkin_data::sound::SoundCategory::Blocks
-            }
-            pumpkin::plugin::world::SoundCategory::Hostile => {
-                pumpkin_data::sound::SoundCategory::Hostile
-            }
-            pumpkin::plugin::world::SoundCategory::Neutral => {
-                pumpkin_data::sound::SoundCategory::Neutral
-            }
-            pumpkin::plugin::world::SoundCategory::Players => {
-                pumpkin_data::sound::SoundCategory::Players
-            }
-            pumpkin::plugin::world::SoundCategory::Ambient => {
-                pumpkin_data::sound::SoundCategory::Ambient
-            }
-            pumpkin::plugin::world::SoundCategory::Voice => {
-                pumpkin_data::sound::SoundCategory::Voice
-            }
-        };
+        let internal_category = from_wit_sound_category(category);
 
         world_ref.provider.play_sound_raw(
             sound_data as u16,
@@ -917,6 +886,27 @@ impl pumpkin::plugin::world::HostWorld for PluginHostState {
         Ok(())
     }
 
+    async fn play_custom_sound(
+        &mut self,
+        world: Resource<World>,
+        sound_name: String,
+        category: pumpkin::plugin::sounds::SoundCategory,
+        pos: pumpkin::plugin::common::Position,
+        volume: f32,
+        pitch: f32,
+    ) -> wasmtime::Result<()> {
+        let world_ref = self.get_world_res(&world)?;
+        let internal_category = from_wit_sound_category(category);
+        world_ref.provider.play_custom_sound(
+            &sound_name,
+            internal_category,
+            &pumpkin_util::math::vector3::Vector3::new(pos.0, pos.1, pos.2),
+            volume,
+            pitch,
+        );
+        Ok(())
+    }
+
     async fn spawn_particle(
         &mut self,
         world: Resource<World>,
@@ -2307,6 +2297,41 @@ impl pumpkin_world::generation::generator::CustomChunkGenerator for WasmChunkGen
     }
 }
 
+#[must_use]
+pub const fn from_wit_sound_category(
+    category: pumpkin::plugin::sounds::SoundCategory,
+) -> pumpkin_data::sound::SoundCategory {
+    match category {
+        pumpkin::plugin::sounds::SoundCategory::Master => {
+            pumpkin_data::sound::SoundCategory::Master
+        }
+        pumpkin::plugin::sounds::SoundCategory::Music => pumpkin_data::sound::SoundCategory::Music,
+        pumpkin::plugin::sounds::SoundCategory::Records => {
+            pumpkin_data::sound::SoundCategory::Records
+        }
+        pumpkin::plugin::sounds::SoundCategory::Weather => {
+            pumpkin_data::sound::SoundCategory::Weather
+        }
+        pumpkin::plugin::sounds::SoundCategory::Blocks => {
+            pumpkin_data::sound::SoundCategory::Blocks
+        }
+        pumpkin::plugin::sounds::SoundCategory::Hostile => {
+            pumpkin_data::sound::SoundCategory::Hostile
+        }
+        pumpkin::plugin::sounds::SoundCategory::Neutral => {
+            pumpkin_data::sound::SoundCategory::Neutral
+        }
+        pumpkin::plugin::sounds::SoundCategory::Players => {
+            pumpkin_data::sound::SoundCategory::Players
+        }
+        pumpkin::plugin::sounds::SoundCategory::Ambient => {
+            pumpkin_data::sound::SoundCategory::Ambient
+        }
+        pumpkin::plugin::sounds::SoundCategory::Voice => pumpkin_data::sound::SoundCategory::Voice,
+        pumpkin::plugin::sounds::SoundCategory::Ui => pumpkin_data::sound::SoundCategory::Ui,
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::pumpkin;

crates/pumpkin/src/server/mod.rs

@@ -748,6 +748,12 @@ impl Server {
         }
     }
 
+    /// Broadcasts custom server links to all players on the server.
+    pub fn broadcast_server_links(&self, links: &[pumpkin_protocol::Link<'_>]) {
+        let packet = pumpkin_protocol::java::client::play::CPlayServerLinks::new(links);
+        self.broadcast_packet_all(&packet);
+    }
+
     pub fn broadcast_tab_list_header_footer(&self, header: &TextComponent, footer: &TextComponent) {
         let packet = CTabList::new(header, footer);
         for world in self.worlds.load().iter() {

crates/pumpkin/src/world/mod.rs

@@ -126,7 +126,9 @@ use pumpkin_protocol::{
 };
 use pumpkin_protocol::{
     codec::item_stack_seralizer::ItemStackSerializer,
-    java::client::play::{CBlockEvent, CRemoveMobEffect, CSetEquipment, CUpdateMobEffect},
+    java::client::play::{
+        CBlockEvent, CParticle, CRemoveMobEffect, CSetEquipment, CUpdateMobEffect,
+    },
 };
 use pumpkin_util::resource_location::ResourceLocation;
 use pumpkin_util::text::{TextComponent, color::NamedColor};
@@ -1207,6 +1209,52 @@ impl World {
         self.play_sound_raw(sound as u16, category, position, volume, pitch);
     }
 
+    /// Plays a custom sound event by identifier for all players in range.
+    pub fn play_custom_sound(
+        &self,
+        sound_name: &str,
+        category: SoundCategory,
+        position: &Vector3<f64>,
+        volume: f32,
+        pitch: f32,
+    ) {
+        let seed = rand::random::<f64>();
+        let packet = CSoundEffect::new(
+            pumpkin_protocol::IdOr::Value(pumpkin_protocol::SoundEvent {
+                sound_name: sound_name.into(),
+                range: None,
+            }),
+            category,
+            position,
+            volume,
+            pitch,
+            seed,
+        );
+        self.broadcast_packet_all(&packet);
+    }
+
+    /// Spawns a cluster of particles in the world for all players in range.
+    pub fn spawn_particles(
+        &self,
+        particle: pumpkin_data::particle::Particle,
+        pos: Vector3<f64>,
+        count: u32,
+        offset: Vector3<f32>,
+        max_speed: f32,
+    ) {
+        let packet = CParticle::new(
+            false,
+            false,
+            pos,
+            offset,
+            max_speed,
+            count as i32,
+            (particle.to_id() as i32).into(),
+            &[],
+        );
+        self.broadcast_packet_all(&packet);
+    }
+
     /// Plays a Bedrock level sound for players close enough to hear it.
     pub fn play_bedrock_level_sound(
         &self,

tools/pumpkin-codegen/src/main.rs

@@ -73,6 +73,7 @@ mod registry;
 mod remap;
 mod scoreboard_slot;
 mod screen;
+mod sdk;
 mod sound;
 mod sound_category;
 mod spawn_egg;
@@ -174,6 +175,7 @@ pub fn main() {
     let filters: Vec<String> = std::env::args().skip(1).collect();
     let build_functions: Vec<_> = if filters.is_empty() {
         wit::main();
+        sdk::main();
         build_functions
     } else {
         build_functions

tools/pumpkin-codegen/src/sdk/block.rs

@@ -0,0 +1,103 @@
+use heck::ToPascalCase;
+use serde::Deserialize;
+use std::collections::BTreeSet;
+use std::fs;
+
+#[derive(Deserialize)]
+struct BlocksAsset {
+    blocks: Vec<BlockEntry>,
+}
+
+#[derive(Deserialize)]
+struct BlockEntry {
+    name: String,
+}
+
+pub fn build() -> String {
+    let json: BlocksAsset =
+        serde_json::from_str(&fs::read_to_string("../../assets/blocks.json").unwrap())
+            .expect("Failed to parse blocks.json");
+
+    let mut names: BTreeSet<String> = BTreeSet::new();
+    for b in json.blocks {
+        names.insert(b.name);
+    }
+
+    let mut code = String::new();
+    code.push_str("// Generated by pumpkin-codegen. Do not edit.\n");
+    code.push_str("#![allow(missing_docs, clippy::all)]\n\n");
+    code.push_str("#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]\n");
+    code.push_str("pub enum BlockType {\n");
+
+    for name in &names {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!("    {pascal},\n"));
+    }
+
+    code.push_str("}\n\n");
+
+    code.push_str("impl BlockType {\n");
+    code.push_str(
+        "    /// Returns the plain block name (e.g. `\"stone\"` or `\"diamond_block\"`).\n",
+    );
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub const fn as_str(&self) -> &'static str {\n");
+    code.push_str("        match self {\n");
+    for name in &names {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!("            Self::{pascal} => \"{name}\",\n"));
+    }
+    code.push_str("        }\n");
+    code.push_str("    }\n\n");
+
+    code.push_str(
+        "    /// Returns the namespaced resource location (e.g. `\"minecraft:stone\"`).\n",
+    );
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub const fn resource_location(&self) -> &'static str {\n");
+    code.push_str("        match self {\n");
+    for name in &names {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!(
+            "            Self::{pascal} => \"minecraft:{name}\",\n"
+        ));
+    }
+    code.push_str("        }\n");
+    code.push_str("    }\n\n");
+
+    code.push_str("    /// Resolves a typed `BlockType` from a name or namespaced identifier.\n");
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub fn from_name(name: &str) -> Option<Self> {\n");
+    code.push_str("        let clean = name.strip_prefix(\"minecraft:\").unwrap_or(name);\n");
+    code.push_str("        match clean {\n");
+    for name in &names {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!(
+            "            \"{name}\" => Some(Self::{pascal}),\n"
+        ));
+    }
+    code.push_str("            _ => None,\n");
+    code.push_str("        }\n");
+    code.push_str("    }\n\n");
+
+    code.push_str("    /// Resolves a typed `BlockType` from a registry key.\n");
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub fn from_registry_key(key: &str) -> Option<Self> {\n");
+    code.push_str("        Self::from_name(key)\n");
+    code.push_str("    }\n");
+    code.push_str("}\n\n");
+
+    code.push_str("impl std::fmt::Display for BlockType {\n");
+    code.push_str("    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n");
+    code.push_str("        write!(f, \"{}\", self.resource_location())\n");
+    code.push_str("    }\n");
+    code.push_str("}\n\n");
+
+    code.push_str("impl AsRef<str> for BlockType {\n");
+    code.push_str("    fn as_ref(&self) -> &str {\n");
+    code.push_str("        self.as_str()\n");
+    code.push_str("    }\n");
+    code.push_str("}\n");
+
+    code
+}

tools/pumpkin-codegen/src/sdk/item.rs

@@ -0,0 +1,87 @@
+use heck::ToPascalCase;
+use std::collections::BTreeMap;
+use std::fs;
+
+pub fn build() -> String {
+    let json: BTreeMap<String, serde_json::Value> =
+        serde_json::from_str(&fs::read_to_string("../../assets/items.json").unwrap())
+            .expect("Failed to parse items.json");
+
+    let mut code = String::new();
+    code.push_str("// Generated by pumpkin-codegen. Do not edit.\n");
+    code.push_str("#![allow(missing_docs, clippy::all)]\n\n");
+    code.push_str("#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]\n");
+    code.push_str("pub enum Item {\n");
+
+    for name in json.keys() {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!("    {pascal},\n"));
+    }
+
+    code.push_str("}\n\n");
+
+    code.push_str("impl Item {\n");
+    code.push_str(
+        "    /// Returns the plain item name (e.g. `\"diamond\"` or `\"netherite_sword\"`).\n",
+    );
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub const fn as_str(&self) -> &'static str {\n");
+    code.push_str("        match self {\n");
+    for name in json.keys() {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!("            Self::{pascal} => \"{name}\",\n"));
+    }
+    code.push_str("        }\n");
+    code.push_str("    }\n\n");
+
+    code.push_str(
+        "    /// Returns the namespaced resource location (e.g. `\"minecraft:diamond\"`).\n",
+    );
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub const fn resource_location(&self) -> &'static str {\n");
+    code.push_str("        match self {\n");
+    for name in json.keys() {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!(
+            "            Self::{pascal} => \"minecraft:{name}\",\n"
+        ));
+    }
+    code.push_str("        }\n");
+    code.push_str("    }\n\n");
+
+    code.push_str("    /// Resolves a typed `Item` from a name or namespaced identifier.\n");
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub fn from_name(name: &str) -> Option<Self> {\n");
+    code.push_str("        let clean = name.strip_prefix(\"minecraft:\").unwrap_or(name);\n");
+    code.push_str("        match clean {\n");
+    for name in json.keys() {
+        let pascal = name.to_pascal_case();
+        code.push_str(&format!(
+            "            \"{name}\" => Some(Self::{pascal}),\n"
+        ));
+    }
+    code.push_str("            _ => None,\n");
+    code.push_str("        }\n");
+    code.push_str("    }\n\n");
+
+    code.push_str("    /// Resolves a typed `Item` from a registry key.\n");
+    code.push_str("    #[must_use]\n");
+    code.push_str("    pub fn from_registry_key(key: &str) -> Option<Self> {\n");
+    code.push_str("        Self::from_name(key)\n");
+    code.push_str("    }\n");
+    code.push_str("}\n\n");
+
+    code.push_str("impl std::fmt::Display for Item {\n");
+    code.push_str("    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {\n");
+    code.push_str("        write!(f, \"{}\", self.resource_location())\n");
+    code.push_str("    }\n");
+    code.push_str("}\n\n");
+
+    code.push_str("impl AsRef<str> for Item {\n");
+    code.push_str("    fn as_ref(&self) -> &str {\n");
+    code.push_str("        self.as_str()\n");
+    code.push_str("    }\n");
+    code.push_str("}\n");
+
+    code
+}

tools/pumpkin-codegen/src/sdk/mod.rs

@@ -0,0 +1,21 @@
+pub mod block;
+pub mod item;
+
+use std::fs;
+use std::path::Path;
+
+pub const SDK_OUT_DIR: &str = "../../crates/pumpkin-plugin-api/src/generated";
+
+pub fn main() {
+    fs::create_dir_all(SDK_OUT_DIR).expect("Failed to create SDK generated directory");
+
+    let targets: Vec<(fn() -> String, &str)> =
+        vec![(item::build, "item.rs"), (block::build, "block.rs")];
+
+    for (build_fn, file) in targets {
+        println!("Generating SDK for {}", file);
+        let code = build_fn();
+        let path = Path::new(SDK_OUT_DIR).join(file);
+        fs::write(&path, code).unwrap_or_else(|_| panic!("Failed to write {file}"));
+    }
+}

tools/pumpkin-codegen/src/wit/bedrock_packet.rs

@@ -1,6 +1,7 @@
-use crate::wit::utils::map_type;
+use crate::wit::utils::map_type_with_defined;
 use heck::ToKebabCase;
 use semver::Version;
+use std::collections::HashSet;
 use std::{fs, path::Path};
 use syn::{Fields, Item};
 use wit_encoder::{
@@ -20,18 +21,39 @@ pub fn build() -> String {
 
     let mut serverbound_variant = Variant::empty();
     let mut clientbound_variant = Variant::empty();
+    let mut defined_cases = HashSet::new();
+
+    let dirs = [
+        "../../crates/pumpkin-protocol/src/bedrock/server",
+        "../../crates/pumpkin-protocol/src/bedrock/client",
+        "../../crates/pumpkin-protocol/src/bedrock/network_item.rs",
+    ];
+
+    let defined_types = collect_defined_types(&dirs);
 
     // Process serverbound packets
     process_packets(
         "../../crates/pumpkin-protocol/src/bedrock/server",
         &mut interface,
         &mut serverbound_variant,
+        &mut defined_cases,
+        &defined_types,
     );
     // Process clientbound packets
     process_packets(
         "../../crates/pumpkin-protocol/src/bedrock/client",
         &mut interface,
         &mut clientbound_variant,
+        &mut defined_cases,
+        &defined_types,
+    );
+    // Process network_item helper types
+    process_packets(
+        "../../crates/pumpkin-protocol/src/bedrock/network_item.rs",
+        &mut interface,
+        &mut clientbound_variant,
+        &mut defined_cases,
+        &defined_types,
     );
 
     // Add an 'unknown' fallback variant (no payload) — raw payload is carried on the event record
@@ -51,7 +73,75 @@ pub fn build() -> String {
     package.to_string()
 }
 
-fn process_packets(dir: &str, interface: &mut Interface, variant: &mut Variant) {
+fn collect_defined_types(dirs: &[&str]) -> HashSet<String> {
+    let mut defined = HashSet::new();
+    for &dir in dirs {
+        collect_defined_types_in_path(Path::new(dir), &mut defined);
+    }
+    defined
+}
+
+fn collect_defined_types_in_path(path: &Path, defined: &mut HashSet<String>) {
+    if path.is_file() {
+        if path.extension().is_some_and(|ext| ext == "rs")
+            && path.file_name().is_some_and(|name| name != "mod.rs")
+            && let Ok(content) = fs::read_to_string(path)
+            && let Ok(file) = syn::parse_file(&content)
+        {
+            for item in file.items {
+                match item {
+                    Item::Struct(s)
+                        if has_static_packet_attr(&s.attrs) || is_valid_helper_struct(&s) =>
+                    {
+                        defined.insert(s.ident.to_string().to_kebab_case());
+                    }
+                    Item::Enum(e)
+                        if has_static_packet_attr(&e.attrs) || is_valid_helper_enum(&e) =>
+                    {
+                        defined.insert(e.ident.to_string().to_kebab_case());
+                    }
+                    _ => {}
+                }
+            }
+        }
+        return;
+    }
+
+    let Ok(paths) = fs::read_dir(path) else {
+        return;
+    };
+    for entry in paths.flatten() {
+        let p = entry.path();
+        collect_defined_types_in_path(&p, defined);
+    }
+}
+
+fn is_valid_helper_struct(s: &syn::ItemStruct) -> bool {
+    matches!(s.vis, syn::Visibility::Public(_))
+        && matches!(s.fields, Fields::Named(_))
+        && s.generics.type_params().next().is_none()
+        && s.generics.const_params().next().is_none()
+}
+
+fn is_valid_helper_enum(e: &syn::ItemEnum) -> bool {
+    matches!(e.vis, syn::Visibility::Public(_))
+        && e.generics.type_params().next().is_none()
+        && e.generics.const_params().next().is_none()
+}
+
+fn process_packets(
+    dir: &str,
+    interface: &mut Interface,
+    variant: &mut Variant,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
+    let path = Path::new(dir);
+    if path.is_file() {
+        parse_packet_file(path, interface, variant, defined_cases, defined_types);
+        return;
+    }
+
     let paths = fs::read_dir(dir).expect("Failed to read packet directory");
     let mut sorted_paths: Vec<_> = paths
         .map(|e| e.expect("Failed to read entry").path())
@@ -60,13 +150,19 @@ fn process_packets(dir: &str, interface: &mut Interface, variant: &mut Variant)
 
     for path in sorted_paths {
         if path.is_dir() {
-            process_packets(path.to_str().unwrap(), interface, variant);
+            process_packets(
+                path.to_str().unwrap(),
+                interface,
+                variant,
+                defined_cases,
+                defined_types,
+            );
             continue;
         }
         if path.extension().is_some_and(|ext| ext == "rs")
             && path.file_name().is_some_and(|name| name != "mod.rs")
         {
-            parse_packet_file(&path, interface, variant);
+            parse_packet_file(&path, interface, variant, defined_cases, defined_types);
         }
     }
 }
@@ -104,39 +200,83 @@ fn has_static_packet_attr(attrs: &[syn::Attribute]) -> bool {
 
 fn collect_types(
     fields: syn::punctuated::Punctuated<syn::Field, syn::token::Comma>,
+    defined_types: &HashSet<String>,
 ) -> Vec<WitType> {
     fields
         .into_iter()
-        .map(|field| map_type(&field.ty))
+        .map(|field| map_type_with_defined(&field.ty, Some(defined_types)))
         .collect()
 }
 
 fn collect_fields(
     named_fields: syn::punctuated::Punctuated<syn::Field, syn::token::Comma>,
+    defined_types: &HashSet<String>,
 ) -> Vec<Field> {
     named_fields
         .into_iter()
         .map(|field| {
             let field_name = field.ident.as_ref().unwrap().to_string().to_kebab_case();
-            let field_type = map_type(&field.ty);
+            let field_type = map_type_with_defined(&field.ty, Some(defined_types));
             Field::new(field_name, field_type)
         })
         .collect()
 }
 
-fn process_struct(s: syn::ItemStruct, interface: &mut Interface, variant: &mut Variant) {
+fn process_struct(
+    s: syn::ItemStruct,
+    interface: &mut Interface,
+    variant: &mut Variant,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
     let wit_name = s.ident.to_string().to_kebab_case();
+    if !defined_cases.insert(wit_name.clone()) {
+        return;
+    }
 
     let fields_list = match s.fields {
-        Fields::Named(fields) => collect_fields(fields.named),
+        Fields::Named(fields) => collect_fields(fields.named, defined_types),
         _ => Vec::new(),
     };
 
     register_wit_type(wit_name, fields_list, interface, variant, None);
 }
 
-fn process_enum(e: syn::ItemEnum, interface: &mut Interface, variant: &mut Variant) {
+fn process_helper_struct(
+    s: syn::ItemStruct,
+    interface: &mut Interface,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
+    let wit_name = s.ident.to_string().to_kebab_case();
+    if !defined_cases.insert(wit_name.clone()) {
+        return;
+    }
+
+    let fields_list = match s.fields {
+        Fields::Named(fields) => collect_fields(fields.named, defined_types),
+        _ => Vec::new(),
+    };
+
+    if !fields_list.is_empty() {
+        interface.type_def(TypeDef::new(
+            wit_name,
+            TypeDefKind::Record(Record::new(fields_list)),
+        ));
+    }
+}
+
+fn process_enum(
+    e: syn::ItemEnum,
+    interface: &mut Interface,
+    variant: &mut Variant,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
     let enum_wit_name = e.ident.to_string().to_kebab_case();
+    if !defined_cases.insert(enum_wit_name.clone()) {
+        return;
+    }
     let mut cases = Vec::new();
 
     for v in e.variants {
@@ -144,18 +284,22 @@ fn process_enum(e: syn::ItemEnum, interface: &mut Interface, variant: &mut Varia
 
         match v.fields {
             Fields::Named(fields) => {
-                let fields_list = collect_fields(fields.named);
-                register_wit_type(
+                let sub_record_name = format!("{}-{}", enum_wit_name, variant_wit_name);
+                let fields_list = collect_fields(fields.named, defined_types);
+                if !fields_list.is_empty() && defined_cases.insert(sub_record_name.clone()) {
+                    interface.type_def(TypeDef::new(
+                        sub_record_name.clone(),
+                        TypeDefKind::Record(Record::new(fields_list)),
+                    ));
+                }
+                cases.push(VariantCase::value(
                     variant_wit_name,
-                    fields_list,
-                    interface,
-                    variant,
-                    Some(enum_wit_name.clone()),
-                );
+                    WitType::named(sub_record_name),
+                ));
             }
 
             Fields::Unnamed(fields) => {
-                let types = collect_types(fields.unnamed);
+                let types = collect_types(fields.unnamed, defined_types);
                 match types.len() {
                     0 => cases.push(VariantCase::empty(variant_wit_name)),
                     1 => cases.push(VariantCase::value(
@@ -177,7 +321,7 @@ fn process_enum(e: syn::ItemEnum, interface: &mut Interface, variant: &mut Varia
         WitType::named(enum_wit_name.clone()),
     ));
 
-    // define weather to use Enum or Variant
+    // define whether to use Enum or Variant
     let all_empty = cases.iter().all(|c| c.type_().is_none());
     if all_empty {
         interface.type_def(TypeDef::new(
@@ -194,17 +338,94 @@ fn process_enum(e: syn::ItemEnum, interface: &mut Interface, variant: &mut Varia
     }
 }
 
-fn parse_packet_file(path: &Path, interface: &mut Interface, variant: &mut Variant) {
+fn process_helper_enum(
+    e: syn::ItemEnum,
+    interface: &mut Interface,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
+    let enum_wit_name = e.ident.to_string().to_kebab_case();
+    if !defined_cases.insert(enum_wit_name.clone()) {
+        return;
+    }
+    let mut cases = Vec::new();
+
+    for v in e.variants {
+        let variant_wit_name = v.ident.to_string().to_kebab_case();
+
+        match v.fields {
+            Fields::Named(fields) => {
+                let sub_record_name = format!("{}-{}", enum_wit_name, variant_wit_name);
+                let fields_list = collect_fields(fields.named, defined_types);
+                if !fields_list.is_empty() && defined_cases.insert(sub_record_name.clone()) {
+                    interface.type_def(TypeDef::new(
+                        sub_record_name.clone(),
+                        TypeDefKind::Record(Record::new(fields_list)),
+                    ));
+                }
+                cases.push(VariantCase::value(
+                    variant_wit_name,
+                    WitType::named(sub_record_name),
+                ));
+            }
+
+            Fields::Unnamed(fields) => {
+                let types = collect_types(fields.unnamed, defined_types);
+                match types.len() {
+                    0 => cases.push(VariantCase::empty(variant_wit_name)),
+                    1 => cases.push(VariantCase::value(
+                        variant_wit_name,
+                        types.into_iter().next().unwrap(),
+                    )),
+                    _ => cases.push(VariantCase::value(variant_wit_name, WitType::tuple(types))),
+                }
+            }
+
+            Fields::Unit => {
+                cases.push(VariantCase::empty(variant_wit_name));
+            }
+        }
+    }
+
+    let all_empty = cases.iter().all(|c| c.type_().is_none());
+    if all_empty {
+        interface.type_def(TypeDef::new(
+            enum_wit_name,
+            TypeDefKind::Enum(Enum::from_iter(
+                cases.into_iter().map(|c| EnumCase::new(c.name().clone())),
+            )),
+        ));
+    } else {
+        interface.type_def(TypeDef::new(
+            enum_wit_name,
+            TypeDefKind::Variant(Variant::from(cases)),
+        ));
+    }
+}
+
+fn parse_packet_file(
+    path: &Path,
+    interface: &mut Interface,
+    variant: &mut Variant,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
     let content = fs::read_to_string(path).expect("Failed to read file");
     let file = syn::parse_file(&content).expect("Failed to parse file");
 
     for item in file.items {
         match item {
             Item::Struct(s) if has_static_packet_attr(&s.attrs) => {
-                process_struct(s, interface, variant);
+                process_struct(s, interface, variant, defined_cases, defined_types);
             }
             Item::Enum(e) if has_static_packet_attr(&e.attrs) => {
-                process_enum(e, interface, variant);
+                process_enum(e, interface, variant, defined_cases, defined_types);
+            }
+            Item::Struct(s) if is_valid_helper_struct(&s) => {
+                process_helper_struct(s, interface, defined_cases, defined_types);
+            }
+            Item::Enum(e) if is_valid_helper_enum(&e) => {
+                process_helper_enum(e, interface, defined_cases, defined_types);
             }
             _ => {}
         }

tools/pumpkin-codegen/src/wit/entity_status.rs

@@ -0,0 +1,30 @@
+use heck::ToKebabCase;
+use semver::Version;
+use std::{collections::BTreeMap, fs};
+use wit_encoder::{Enum, Interface, Package, PackageName, TypeDef, TypeDefKind};
+
+pub fn build() -> String {
+    let events: BTreeMap<String, u8> =
+        serde_json::from_str(&fs::read_to_string("../../assets/entity_statuses.json").unwrap())
+            .expect("Failed to parse entity_statuses.json");
+
+    let mut package = Package::new(PackageName::new(
+        "pumpkin",
+        "plugin",
+        Some(Version::new(0, 1, 0)),
+    ));
+    let mut interface = Interface::new("entity-statuses");
+
+    let mut status_enum = Enum::empty();
+    for (event_name, _) in events {
+        status_enum.case(event_name.to_kebab_case());
+    }
+
+    interface.type_def(TypeDef::new(
+        "entity-status",
+        TypeDefKind::Enum(status_enum),
+    ));
+    package.interface(interface);
+
+    package.to_string()
+}

tools/pumpkin-codegen/src/wit/game_event.rs

@@ -0,0 +1,33 @@
+use semver::Version;
+use std::fs;
+use wit_encoder::{Enum, Interface, Package, PackageName, TypeDef, TypeDefKind};
+
+pub fn build() -> String {
+    let game_events: Vec<String> =
+        serde_json::from_str(&fs::read_to_string("../../assets/game_event.json").unwrap())
+            .expect("Failed to parse game_event.json");
+
+    let mut package = Package::new(PackageName::new(
+        "pumpkin",
+        "plugin",
+        Some(Version::new(0, 1, 0)),
+    ));
+    let mut interface = Interface::new("game-events");
+
+    let mut game_event_enum = Enum::empty();
+    for game_event in game_events {
+        let name = game_event
+            .strip_prefix("minecraft:")
+            .unwrap_or(&game_event)
+            .replace('_', "-");
+        game_event_enum.case(name);
+    }
+
+    interface.type_def(TypeDef::new(
+        "game-event",
+        TypeDefKind::Enum(game_event_enum),
+    ));
+    package.interface(interface);
+
+    package.to_string()
+}

tools/pumpkin-codegen/src/wit/java_packet.rs

@@ -1,4 +1,4 @@
-use crate::wit::utils::map_type;
+use crate::wit::utils::map_type_with_defined;
 use heck::ToKebabCase;
 use semver::Version;
 use std::collections::HashSet;
@@ -22,29 +22,47 @@ pub fn build() -> String {
 
     let mut serverbound_variant = Variant::empty();
     let mut clientbound_variant = Variant::empty();
-    let mut serverbound_cases = HashSet::new();
-    let mut clientbound_cases = HashSet::new();
+    let mut defined_cases = HashSet::new();
+
+    let server_states = &["config", "handshake", "login", "play", "status"];
+    let client_states = &["config", "login", "play", "status"];
+
+    let mut dirs = Vec::new();
+    for state in server_states {
+        dirs.push((
+            format!("../../crates/pumpkin-protocol/src/java/server/{}", state),
+            *state,
+        ));
+    }
+    for state in client_states {
+        dirs.push((
+            format!("../../crates/pumpkin-protocol/src/java/client/{}", state),
+            *state,
+        ));
+    }
+
+    let defined_types = collect_defined_types(&dirs);
 
     // Process serverbound packets
-    let server_states = &["config", "handshake", "login", "play", "status"];
     for state in server_states {
         process_packets(
             &format!("../../crates/pumpkin-protocol/src/java/server/{}", state),
             state,
             &mut interface,
             &mut serverbound_variant,
-            &mut serverbound_cases,
+            &mut defined_cases,
+            &defined_types,
         );
     }
     // Process clientbound packets
-    let client_states = &["config", "login", "play", "status"];
     for state in client_states {
         process_packets(
             &format!("../../crates/pumpkin-protocol/src/java/client/{}", state),
             state,
             &mut interface,
             &mut clientbound_variant,
-            &mut clientbound_cases,
+            &mut defined_cases,
+            &defined_types,
         );
     }
 
@@ -65,12 +83,64 @@ pub fn build() -> String {
     package.to_string()
 }
 
+fn collect_defined_types(dirs: &[(String, &str)]) -> HashSet<String> {
+    let mut defined = HashSet::new();
+    for (dir, state) in dirs {
+        let Ok(paths) = fs::read_dir(dir) else {
+            continue;
+        };
+        for entry in paths.flatten() {
+            let path = entry.path();
+            if path.extension().is_some_and(|ext| ext == "rs")
+                && path.file_name().is_some_and(|name| name != "mod.rs")
+            {
+                if let Ok(content) = fs::read_to_string(&path)
+                    && let Ok(file) = syn::parse_file(&content)
+                {
+                    for item in file.items {
+                        match item {
+                            Item::Struct(s) if has_java_packet_attr(&s.attrs) => {
+                                defined.insert(wit_name(s.ident.to_string(), state));
+                            }
+                            Item::Enum(e) if has_java_packet_attr(&e.attrs) => {
+                                defined.insert(wit_name(e.ident.to_string(), state));
+                            }
+                            Item::Struct(s) if is_valid_helper_struct(&s) => {
+                                defined.insert(s.ident.to_string().to_kebab_case());
+                            }
+                            Item::Enum(e) if is_valid_helper_enum(&e) => {
+                                defined.insert(e.ident.to_string().to_kebab_case());
+                            }
+                            _ => {}
+                        }
+                    }
+                }
+            }
+        }
+    }
+    defined
+}
+
+fn is_valid_helper_struct(s: &syn::ItemStruct) -> bool {
+    matches!(s.vis, syn::Visibility::Public(_))
+        && matches!(s.fields, Fields::Named(_))
+        && s.generics.type_params().next().is_none()
+        && s.generics.const_params().next().is_none()
+}
+
+fn is_valid_helper_enum(e: &syn::ItemEnum) -> bool {
+    matches!(e.vis, syn::Visibility::Public(_))
+        && e.generics.type_params().next().is_none()
+        && e.generics.const_params().next().is_none()
+}
+
 fn process_packets(
     dir: &str,
     state: &str,
     interface: &mut Interface,
     variant: &mut Variant,
     defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
 ) {
     let paths = fs::read_dir(dir).expect("Failed to read packet directory");
     let mut sorted_paths: Vec<_> = paths
@@ -79,10 +149,28 @@ fn process_packets(
     sorted_paths.sort();
 
     for path in sorted_paths {
+        if path.is_dir() {
+            process_packets(
+                path.to_str().unwrap(),
+                state,
+                interface,
+                variant,
+                defined_cases,
+                defined_types,
+            );
+            continue;
+        }
         if path.extension().is_some_and(|ext| ext == "rs")
             && path.file_name().is_some_and(|name| name != "mod.rs")
         {
-            parse_packet_file(&path, state, interface, variant, defined_cases);
+            parse_packet_file(
+                &path,
+                state,
+                interface,
+                variant,
+                defined_cases,
+                defined_types,
+            );
         }
     }
 }
@@ -93,6 +181,7 @@ fn parse_packet_file(
     interface: &mut Interface,
     variant: &mut Variant,
     defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
 ) {
     let content = fs::read_to_string(path).expect("Failed to read file");
     let file = syn::parse_file(&content).expect("Failed to parse file");
@@ -100,10 +189,16 @@ fn parse_packet_file(
     for item in file.items {
         match item {
             Item::Struct(s) if has_java_packet_attr(&s.attrs) => {
-                process_struct(s, state, interface, variant, defined_cases);
+                process_struct(s, state, interface, variant, defined_cases, defined_types);
             }
             Item::Enum(e) if has_java_packet_attr(&e.attrs) => {
-                process_enum(e, state, interface, variant, defined_cases);
+                process_enum(e, state, interface, variant, defined_cases, defined_types);
+            }
+            Item::Struct(s) if is_valid_helper_struct(&s) => {
+                process_helper_struct(s, interface, defined_cases, defined_types);
+            }
+            Item::Enum(e) if is_valid_helper_enum(&e) => {
+                process_helper_enum(e, interface, defined_cases, defined_types);
             }
             _ => {}
         }
@@ -143,23 +238,25 @@ fn register_wit_type(
 
 fn collect_types(
     fields: syn::punctuated::Punctuated<syn::Field, syn::token::Comma>,
+    defined_types: &HashSet<String>,
 ) -> Vec<WitType> {
     fields
         .into_iter()
         .filter(|field| extract_type_name(&field.ty) != "DynamicRecipe")
-        .map(|field| map_type(&field.ty))
+        .map(|field| map_type_with_defined(&field.ty, Some(defined_types)))
         .collect()
 }
 
 fn collect_fields(
     named_fields: syn::punctuated::Punctuated<syn::Field, syn::token::Comma>,
+    defined_types: &HashSet<String>,
 ) -> Vec<Field> {
     named_fields
         .into_iter()
         .filter(|field| extract_type_name(&field.ty) != "DynamicRecipe")
         .map(|field| {
             let field_name = field.ident.as_ref().unwrap().to_string().to_kebab_case();
-            let field_type = map_type(&field.ty);
+            let field_type = map_type_with_defined(&field.ty, Some(defined_types));
             Field::new(field_name, field_type)
         })
         .collect()
@@ -179,25 +276,50 @@ fn process_struct(
     interface: &mut Interface,
     variant: &mut Variant,
     defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
 ) {
     let wit_name = wit_name(s.ident.to_string(), state);
     if !defined_cases.insert(wit_name.clone()) {
         return;
     }
     let fields_list = match s.fields {
-        Fields::Named(fields) => collect_fields(fields.named),
+        Fields::Named(fields) => collect_fields(fields.named, defined_types),
         _ => Vec::new(),
     };
 
     register_wit_type(wit_name, fields_list, interface, variant, None);
 }
 
+fn process_helper_struct(
+    s: syn::ItemStruct,
+    interface: &mut Interface,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
+    let wit_name = s.ident.to_string().to_kebab_case();
+    if !defined_cases.insert(wit_name.clone()) {
+        return;
+    }
+    let fields_list = match s.fields {
+        Fields::Named(fields) => collect_fields(fields.named, defined_types),
+        _ => Vec::new(),
+    };
+
+    if !fields_list.is_empty() {
+        interface.type_def(TypeDef::new(
+            wit_name,
+            TypeDefKind::Record(Record::new(fields_list)),
+        ));
+    }
+}
+
 fn process_enum(
     e: syn::ItemEnum,
     state: &str,
     interface: &mut Interface,
     variant: &mut Variant,
     defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
 ) {
     let enum_wit_name = wit_name(e.ident.to_string(), state);
     if !defined_cases.insert(enum_wit_name.clone()) {
@@ -210,18 +332,22 @@ fn process_enum(
 
         match v.fields {
             Fields::Named(fields) => {
-                let fields_list = collect_fields(fields.named);
-                register_wit_type(
+                let sub_record_name = format!("{}-{}", enum_wit_name, variant_wit_name);
+                let fields_list = collect_fields(fields.named, defined_types);
+                if !fields_list.is_empty() && defined_cases.insert(sub_record_name.clone()) {
+                    interface.type_def(TypeDef::new(
+                        sub_record_name.clone(),
+                        TypeDefKind::Record(Record::new(fields_list)),
+                    ));
+                }
+                cases.push(VariantCase::value(
                     variant_wit_name,
-                    fields_list,
-                    interface,
-                    variant,
-                    Some(enum_wit_name.clone()),
-                );
+                    WitType::named(sub_record_name),
+                ));
             }
 
             Fields::Unnamed(fields) => {
-                let types = collect_types(fields.unnamed);
+                let types = collect_types(fields.unnamed, defined_types);
                 match types.len() {
                     0 => cases.push(VariantCase::empty(variant_wit_name)),
                     1 => cases.push(VariantCase::value(
@@ -243,7 +369,72 @@ fn process_enum(
         WitType::named(enum_wit_name.clone()),
     ));
 
-    // define weather to use Enum or Variant
+    // define whether to use Enum or Variant
+    let all_empty = cases.iter().all(|c| c.type_().is_none());
+    if all_empty {
+        interface.type_def(TypeDef::new(
+            enum_wit_name,
+            TypeDefKind::Enum(Enum::from_iter(
+                cases.into_iter().map(|c| EnumCase::new(c.name().clone())),
+            )),
+        ));
+    } else {
+        interface.type_def(TypeDef::new(
+            enum_wit_name,
+            TypeDefKind::Variant(Variant::from(cases)),
+        ));
+    }
+}
+
+fn process_helper_enum(
+    e: syn::ItemEnum,
+    interface: &mut Interface,
+    defined_cases: &mut HashSet<String>,
+    defined_types: &HashSet<String>,
+) {
+    let enum_wit_name = e.ident.to_string().to_kebab_case();
+    if !defined_cases.insert(enum_wit_name.clone()) {
+        return;
+    }
+    let mut cases = Vec::new();
+
+    for v in e.variants {
+        let variant_wit_name = v.ident.to_string().to_kebab_case();
+
+        match v.fields {
+            Fields::Named(fields) => {
+                let sub_record_name = format!("{}-{}", enum_wit_name, variant_wit_name);
+                let fields_list = collect_fields(fields.named, defined_types);
+                if !fields_list.is_empty() && defined_cases.insert(sub_record_name.clone()) {
+                    interface.type_def(TypeDef::new(
+                        sub_record_name.clone(),
+                        TypeDefKind::Record(Record::new(fields_list)),
+                    ));
+                }
+                cases.push(VariantCase::value(
+                    variant_wit_name,
+                    WitType::named(sub_record_name),
+                ));
+            }
+
+            Fields::Unnamed(fields) => {
+                let types = collect_types(fields.unnamed, defined_types);
+                match types.len() {
+                    0 => cases.push(VariantCase::empty(variant_wit_name)),
+                    1 => cases.push(VariantCase::value(
+                        variant_wit_name,
+                        types.into_iter().next().unwrap(),
+                    )),
+                    _ => cases.push(VariantCase::value(variant_wit_name, WitType::tuple(types))),
+                }
+            }
+
+            Fields::Unit => {
+                cases.push(VariantCase::empty(variant_wit_name));
+            }
+        }
+    }
+
     let all_empty = cases.iter().all(|c| c.type_().is_none());
     if all_empty {
         interface.type_def(TypeDef::new(

tools/pumpkin-codegen/src/wit/mod.rs

@@ -4,11 +4,14 @@ pub mod biome;
 pub mod damage_type;
 pub mod data_component;
 pub mod enchantment;
+pub mod entity_status;
 pub mod entity_type;
+pub mod game_event;
 pub mod game_rules;
 pub mod java_packet;
 pub mod packet_mapping;
 pub mod particle;
+pub mod potion;
 pub mod screen;
 pub mod sound;
 pub mod statistic;
@@ -42,6 +45,9 @@ pub fn main() {
         (screen::build, "screens.wit"),
         (statistic::build, "statistics.wit"),
         (game_rules::build, "game-rules.wit"),
+        (game_event::build, "game-events.wit"),
+        (potion::build, "potions.wit"),
+        (entity_status::build, "entity-statuses.wit"),
     ];
 
     for (build_fn, file) in build_functions {

tools/pumpkin-codegen/src/wit/potion.rs

@@ -0,0 +1,36 @@
+use semver::Version;
+use serde::Deserialize;
+use std::collections::BTreeMap;
+use std::fs;
+use wit_encoder::{Enum, Interface, Package, PackageName, TypeDef, TypeDefKind};
+
+#[derive(Deserialize)]
+struct PotionRaw {
+    id: u8,
+}
+
+pub fn build() -> String {
+    let raw_map: BTreeMap<String, PotionRaw> =
+        serde_json::from_str(&fs::read_to_string("../../assets/potion.json").unwrap())
+            .expect("Failed to parse potion.json");
+
+    let mut potions: Vec<(String, PotionRaw)> = raw_map.into_iter().collect();
+    potions.sort_by_key(|(_, raw)| raw.id);
+
+    let mut package = Package::new(PackageName::new(
+        "pumpkin",
+        "plugin",
+        Some(Version::new(0, 1, 0)),
+    ));
+    let mut interface = Interface::new("potions");
+    let mut potion_enum = Enum::empty();
+
+    for (name, _) in potions {
+        potion_enum.case(name.replace('_', "-"));
+    }
+
+    interface.type_def(TypeDef::new("potion-type", TypeDefKind::Enum(potion_enum)));
+    package.interface(interface);
+
+    package.to_string()
+}

tools/pumpkin-codegen/src/wit/sound.rs

@@ -14,6 +14,24 @@ pub fn build() -> String {
     ));
     let mut interface = Interface::new("sounds");
 
+    let mut category_enum = Enum::empty();
+    category_enum.case("master");
+    category_enum.case("music");
+    category_enum.case("records");
+    category_enum.case("weather");
+    category_enum.case("blocks");
+    category_enum.case("hostile");
+    category_enum.case("neutral");
+    category_enum.case("players");
+    category_enum.case("ambient");
+    category_enum.case("voice");
+    category_enum.case("ui");
+
+    interface.type_def(TypeDef::new(
+        "sound-category",
+        TypeDefKind::Enum(category_enum),
+    ));
+
     let mut sound_enum = Enum::empty();
     for sound in sounds {
         sound_enum.case(sound.replace(['_', '.'], "-"));

tools/pumpkin-codegen/src/wit/utils.rs

@@ -1,48 +1,112 @@
-use syn::{Type, TypePath};
+use heck::ToKebabCase;
+use std::collections::HashSet;
+use syn::{GenericArgument, PathArguments, Type, TypePath};
 use wit_encoder::Type as WitType;
 
 pub fn map_type(ty: &Type) -> WitType {
+    map_type_with_defined(ty, None)
+}
+
+pub fn map_type_with_defined(ty: &Type, defined_types: Option<&HashSet<String>>) -> WitType {
     match ty {
         Type::Path(TypePath { path, .. }) => {
             let last_segment = path.segments.last().unwrap();
             let ident_str = last_segment.ident.to_string();
             match ident_str.as_str() {
-                "String" | "TextComponent" => WitType::String,
+                "String" | "TextComponent" | "str" | "Identifier" | "ResourceLocation"
+                | "LpVector3d" => WitType::String,
                 "Uuid" => WitType::Named("uuid".into()),
-                "i32" | "VarInt" | "u32" | "VarUInt" | "usize" => WitType::S32,
+                "i32" | "VarInt" | "u32" | "VarUInt" | "usize" | "u24" => WitType::S32,
                 "i64" | "u64" | "VarLong" | "VarULong" => WitType::S64,
                 "bool" => WitType::Bool,
                 "f32" => WitType::F32,
                 "f64" => WitType::F64,
                 "u8" | "i8" => WitType::U8,
                 "u16" | "i16" => WitType::S32,
+                "Bytes" | "BoxedU8Slice" | "ChunkData" => WitType::list(WitType::U8),
+                "BitSet" | "Bitset" => WitType::list(WitType::S64),
+                "NbtCompound" | "Nbt" | "DynamicRecipe" => WitType::String,
                 "Option" => {
-                    if let syn::PathArguments::AngleBracketed(args) = &last_segment.arguments
-                        && let Some(syn::GenericArgument::Type(inner_ty)) = args.args.first()
+                    if let PathArguments::AngleBracketed(args) = &last_segment.arguments
+                        && let Some(GenericArgument::Type(inner_ty)) = args.args.first()
                     {
-                        return WitType::option(map_type(inner_ty));
+                        return WitType::option(map_type_with_defined(inner_ty, defined_types));
                     }
                     WitType::String
                 }
                 "Box" => {
-                    if let syn::PathArguments::AngleBracketed(args) = &last_segment.arguments
-                        && let Some(syn::GenericArgument::Type(inner_ty)) = args.args.first()
+                    if let PathArguments::AngleBracketed(args) = &last_segment.arguments
+                        && let Some(GenericArgument::Type(inner_ty)) = args.args.first()
                     {
-                        return map_type(inner_ty);
+                        if let Type::Slice(ts) = inner_ty {
+                            if let Type::Path(tp) = &*ts.elem
+                                && tp.path.segments.last().unwrap().ident == "u8"
+                            {
+                                return WitType::list(WitType::U8);
+                            }
+                            return WitType::list(map_type_with_defined(&ts.elem, defined_types));
+                        }
+                        if let Type::Path(tp) = inner_ty
+                            && tp.path.segments.last().unwrap().ident == "str"
+                        {
+                            return WitType::String;
+                        }
+                        return map_type_with_defined(inner_ty, defined_types);
                     }
                     WitType::String
                 }
                 "Vec" => {
-                    if let syn::PathArguments::AngleBracketed(args) = &last_segment.arguments
-                        && let Some(syn::GenericArgument::Type(inner_ty)) = args.args.first()
+                    if let PathArguments::AngleBracketed(args) = &last_segment.arguments
+                        && let Some(GenericArgument::Type(inner_ty)) = args.args.first()
                     {
-                        // Check if the inner type is u8
                         if let Type::Path(tp) = inner_ty
                             && tp.path.segments.last().unwrap().ident == "u8"
                         {
                             return WitType::list(WitType::U8);
                         }
-                        return WitType::list(map_type(inner_ty));
+                        return WitType::list(map_type_with_defined(inner_ty, defined_types));
+                    }
+                    WitType::String
+                }
+                "Cow" => {
+                    if let PathArguments::AngleBracketed(args) = &last_segment.arguments {
+                        for arg in &args.args {
+                            if let GenericArgument::Type(inner_ty) = arg {
+                                if let Type::Path(tp) = inner_ty
+                                    && tp.path.segments.last().unwrap().ident == "str"
+                                {
+                                    return WitType::String;
+                                }
+                                return map_type_with_defined(inner_ty, defined_types);
+                            }
+                        }
+                    }
+                    WitType::String
+                }
+                "NonZero" | "EnumAsStr" | "IdOr" => {
+                    if let PathArguments::AngleBracketed(args) = &last_segment.arguments
+                        && let Some(GenericArgument::Type(inner_ty)) = args.args.first()
+                    {
+                        return map_type_with_defined(inner_ty, defined_types);
+                    }
+                    WitType::String
+                }
+                "HashMap" => {
+                    if let PathArguments::AngleBracketed(args) = &last_segment.arguments {
+                        let type_args: Vec<_> = args
+                            .args
+                            .iter()
+                            .filter_map(|a| match a {
+                                GenericArgument::Type(t) => Some(t),
+                                _ => None,
+                            })
+                            .collect();
+                        if type_args.len() == 2 {
+                            return WitType::list(WitType::tuple(vec![
+                                map_type_with_defined(type_args[0], defined_types),
+                                map_type_with_defined(type_args[1], defined_types),
+                            ]));
+                        }
                     }
                     WitType::String
                 }
@@ -53,19 +117,54 @@ pub fn map_type(ty: &Type) -> WitType {
                         WitType::tuple(vec![WitType::S32, WitType::S32, WitType::S32])
                     }
                 }
-                _ => WitType::String,
+                "Vector2" => WitType::tuple(vec![WitType::F64, WitType::F64]),
+                _ => {
+                    let kebab = ident_str.to_kebab_case();
+                    if let Some(defined) = defined_types {
+                        if defined.contains(&kebab) {
+                            WitType::named(kebab)
+                        } else {
+                            WitType::String
+                        }
+                    } else {
+                        WitType::named(kebab)
                     }
                 }
-        Type::Reference(tr) => map_type(&tr.elem),
+            }
+        }
+        Type::Reference(tr) => map_type_with_defined(&tr.elem, defined_types),
         Type::Slice(ts) => {
             if let Type::Path(tp) = &*ts.elem
                 && tp.path.segments.last().unwrap().ident == "u8"
             {
                 WitType::list(WitType::U8)
             } else {
-                WitType::list(map_type(&ts.elem))
+                WitType::list(map_type_with_defined(&ts.elem, defined_types))
             }
         }
+        Type::Array(ta) => {
+            if let Type::Path(tp) = &*ta.elem
+                && tp.path.segments.last().unwrap().ident == "u8"
+            {
+                WitType::list(WitType::U8)
+            } else {
+                WitType::list(map_type_with_defined(&ta.elem, defined_types))
+            }
+        }
+        Type::Tuple(tt) => {
+            if tt.elems.is_empty() {
+                WitType::String
+            } else {
+                WitType::tuple(
+                    tt.elems
+                        .iter()
+                        .map(|e| map_type_with_defined(e, defined_types))
+                        .collect::<Vec<_>>(),
+                )
+            }
+        }
+        Type::Paren(tp) => map_type_with_defined(&tp.elem, defined_types),
+        Type::Group(tg) => map_type_with_defined(&tg.elem, defined_types),
         _ => WitType::String,
     }
 }