feat(bedrock): implement Bedrock status effect packet and translation

crates/pumpkin-data/src/generated/effect.rs

@@ -419,6 +419,25 @@ impl StatusEffect {
         attribute_modifiers: &[],
     };
     #[must_use]
+    pub const fn to_bedrock_id(&self) -> i32 {
+        match self.id {
+            0..=22 => self.id as i32 + 1,
+            24 => 24,
+            27 => 27,
+            28 => 26,
+            30 => 28,
+            31 => 29,
+            32 => 30,
+            33 => 31,
+            34 => 32,
+            35 => 33,
+            36 => 34,
+            37 => 35,
+            38 => 36,
+            _ => self.id as i32 + 1,
+        }
+    }
+    #[must_use]
     pub fn from_name(name: &str) -> Option<&'static Self> {
         match name {
             "absorption" => Some(&Self::ABSORPTION),

crates/pumpkin-protocol/src/bedrock/client/mob_effect.rs

@@ -0,0 +1,49 @@
+use pumpkin_macros::packet;
+
+use crate::{
+    codec::{var_int::VarInt, var_ulong::VarULong},
+    serial::PacketWrite,
+};
+
+#[derive(PacketWrite)]
+#[packet(28)]
+pub struct CMobEffect {
+    pub runtime_entity_id: VarULong,
+    pub event_id: u8,
+    pub effect_id: VarInt,
+    pub amplifier: VarInt,
+    pub particles: bool,
+    pub duration: VarInt,
+    pub tick: VarULong,
+    pub ambient: bool,
+}
+
+impl CMobEffect {
+    pub const EVENT_ADD: u8 = 1;
+    pub const EVENT_MODIFY: u8 = 2;
+    pub const EVENT_REMOVE: u8 = 3;
+
+    #[expect(clippy::too_many_arguments)]
+    #[must_use]
+    pub const fn new(
+        runtime_entity_id: VarULong,
+        event_id: u8,
+        effect_id: VarInt,
+        amplifier: VarInt,
+        particles: bool,
+        duration: VarInt,
+        tick: VarULong,
+        ambient: bool,
+    ) -> Self {
+        Self {
+            runtime_entity_id,
+            event_id,
+            effect_id,
+            amplifier,
+            particles,
+            duration,
+            tick,
+            ambient,
+        }
+    }
+}

crates/pumpkin-protocol/src/bedrock/client/mod.rs

@@ -20,6 +20,7 @@ pub mod item_registry;
 pub mod item_stack_response;
 pub mod level_chunk;
 pub mod level_event;
+pub mod mob_effect;
 pub mod mob_equipment;
 pub mod modal_form_request;
 pub mod move_actor_absolute;
@@ -76,6 +77,7 @@ pub use item_stack_response::*;
 pub use level_chunk::*;
 pub use level_event::*;
 pub use level_sound_event::*;
+pub use mob_effect::*;
 pub use mob_equipment::*;
 pub use modal_form_request::*;
 pub use move_actor_absolute::*;

crates/pumpkin/src/entity/living.rs

@@ -527,6 +527,7 @@ impl LivingEntity {
         self.entity.entity_id
     }
 
+    #[expect(clippy::too_many_lines)]
     pub async fn add_effect(&self, effect: Effect) {
         // Apply instant effects immediately before storing
         if effect.effect_type == &StatusEffect::INSTANT_HEALTH {
@@ -625,7 +626,7 @@ impl LivingEntity {
             flag |= 8;
         }
 
-        let packet = CUpdateMobEffect::new(
+        let je_packet = CUpdateMobEffect::new(
             self.entity.entity_id.into(),
             VarInt(i32::from(effect.effect_type.id)),
             effect.amplifier.into(),
@@ -633,7 +634,22 @@ impl LivingEntity {
             flag,
         );
 
-        self.entity.world.load().broadcast_packet_all(&packet);
+        let be_packet = pumpkin_protocol::bedrock::client::CMobEffect::new(
+            VarULong(self.entity.entity_id as u64),
+            pumpkin_protocol::bedrock::client::CMobEffect::EVENT_ADD,
+            VarInt(effect.effect_type.to_bedrock_id()),
+            VarInt(i32::from(effect.amplifier)),
+            effect.show_particles,
+            VarInt(effect.duration),
+            VarULong(0),
+            effect.ambient,
+        );
+
+        let chunk_pos = self.entity.chunk_pos.load();
+        self.entity
+            .world
+            .load()
+            .broadcast_to_chunk_editioned_sync(chunk_pos, &je_packet, &be_packet);
     }
 
     pub async fn remove_effect(&self, effect_type: &'static StatusEffect) -> bool {

crates/pumpkin/src/world/mod.rs

@@ -466,14 +466,23 @@ impl World {
 
     pub fn send_remove_mob_effect(&self, entity: &Entity, effect_type: &'static StatusEffect) {
         let chunk_pos = entity.chunk_pos.load();
-        self.broadcast_to_chunk(
-            chunk_pos,
-            &CRemoveMobEffect::new(entity.entity_id.into(), VarInt(i32::from(effect_type.id))),
+        let je_packet =
+            CRemoveMobEffect::new(entity.entity_id.into(), VarInt(i32::from(effect_type.id)));
+        let be_packet = pumpkin_protocol::bedrock::client::CMobEffect::new(
+            VarULong(entity.entity_id as u64),
+            pumpkin_protocol::bedrock::client::CMobEffect::EVENT_REMOVE,
+            VarInt(effect_type.to_bedrock_id()),
+            VarInt(0),
+            false,
+            VarInt(0),
+            VarULong(0),
+            false,
         );
+        self.broadcast_to_chunk_editioned_sync(chunk_pos, &je_packet, &be_packet);
     }
 
     pub fn send_add_mob_effect(&self, entity: &Entity, effect: &pumpkin_data::potion::Effect) {
-        // TODO: only nearby
+        let chunk_pos = entity.chunk_pos.load();
         let mut flags: i8 = 0;
         if effect.ambient {
             flags |= 0x01;
@@ -485,13 +494,25 @@ impl World {
             flags |= 0x04;
         }
 
-        self.broadcast_packet_all(&CUpdateMobEffect::new(
+        let je_packet = CUpdateMobEffect::new(
             VarInt(entity.entity_id),
             VarInt(i32::from(effect.effect_type.id)),
             VarInt(i32::from(effect.amplifier)),
             VarInt(effect.duration),
             flags,
-        ));
+        );
+        let be_packet = pumpkin_protocol::bedrock::client::CMobEffect::new(
+            VarULong(entity.entity_id as u64),
+            pumpkin_protocol::bedrock::client::CMobEffect::EVENT_ADD,
+            VarInt(effect.effect_type.to_bedrock_id()),
+            VarInt(i32::from(effect.amplifier)),
+            effect.show_particles,
+            VarInt(effect.duration),
+            VarULong(0),
+            effect.ambient,
+        );
+
+        self.broadcast_to_chunk_editioned_sync(chunk_pos, &je_packet, &be_packet);
     }
 
     pub fn set_difficulty(&self, difficulty: Difficulty) {

tools/pumpkin-codegen/src/effect.rs

@@ -157,6 +157,26 @@ pub fn build() -> TokenStream {
         impl StatusEffect {
             #variants
 
+            #[must_use]
+            pub const fn to_bedrock_id(&self) -> i32 {
+                match self.id {
+                    0..=22 => self.id as i32 + 1,
+                    24 => 24,
+                    27 => 27,
+                    28 => 26,
+                    30 => 28,
+                    31 => 29,
+                    32 => 30,
+                    33 => 31,
+                    34 => 32,
+                    35 => 33,
+                    36 => 34,
+                    37 => 35,
+                    38 => 36,
+                    _ => self.id as i32 + 1,
+                }
+            }
+
             #[must_use]
             pub fn from_name(name: &str) -> Option<&'static Self> {
                 match name {