From e74ed047dbaf3877db4a89a2d589e992abd0bb11 Mon Sep 17 00:00:00 2001
From: mat <27899617+mat-1@users.noreply.github.com>
Date: Thu, 14 Aug 2025 20:40:13 -0500
Subject: Sneaking (#237)

* start implementing sneaking

* fix horizontal_collision being inverted and cleanup

* clippy

* change dimensions and eye height based on pose

* proper support for automatically crouching in certain cases

* fix anticheat issues

* add line to changelog and update a comment
---
 azalea-client/src/plugins/interact/mod.rs  | 19 +++++++++++++------
 azalea-client/src/plugins/interact/pick.rs |  9 +++++----
 2 files changed, 18 insertions(+), 10 deletions(-)

(limited to 'azalea-client/src/plugins/interact')

diff --git a/azalea-client/src/plugins/interact/mod.rs b/azalea-client/src/plugins/interact/mod.rs
index 634d492c..0275ca97 100644
--- a/azalea-client/src/plugins/interact/mod.rs
+++ b/azalea-client/src/plugins/interact/mod.rs
@@ -11,7 +11,7 @@ use azalea_core::{
     tick::GameTick,
 };
 use azalea_entity::{
-    Attributes, LocalEntity, LookDirection,
+    Attributes, Crouching, LocalEntity, LookDirection, PlayerAbilities,
     attributes::{
         creative_block_interaction_range_modifier, creative_entity_interaction_range_modifier,
     },
@@ -36,7 +36,7 @@ use crate::{
     attack::handle_attack_event,
     interact::pick::{HitResultComponent, update_hit_result_component},
     inventory::{Inventory, InventorySet},
-    local_player::{LocalGameMode, PermissionLevel, PlayerAbilities},
+    local_player::{LocalGameMode, PermissionLevel},
     movement::MoveEventsSet,
     packet::game::SendPacketEvent,
     respawn::perform_respawn,
@@ -250,12 +250,20 @@ pub fn handle_start_use_item_queued(
         &mut BlockStatePredictionHandler,
         &HitResultComponent,
         &LookDirection,
+        &Crouching,
         Option<&Mining>,
     )>,
     entity_id_query: Query<&MinecraftEntityId>,
 ) {
-    for (entity, start_use_item, mut prediction_handler, hit_result, look_direction, mining) in
-        query
+    for (
+        entity,
+        start_use_item,
+        mut prediction_handler,
+        hit_result,
+        look_direction,
+        crouching,
+        mining,
+    ) in query
     {
         commands.entity(entity).remove::<StartUseItemQueued>();
 
@@ -332,8 +340,7 @@ pub fn handle_start_use_item_queued(
                             location: r.location,
                             hand: InteractionHand::MainHand,
                         },
-                        // TODO: sneaking
-                        using_secondary_action: false,
+                        using_secondary_action: **crouching,
                     },
                 ));
             }
diff --git a/azalea-client/src/plugins/interact/pick.rs b/azalea-client/src/plugins/interact/pick.rs
index cebbf905..a0a75910 100644
--- a/azalea-client/src/plugins/interact/pick.rs
+++ b/azalea-client/src/plugins/interact/pick.rs
@@ -5,7 +5,8 @@ use azalea_core::{
     position::Vec3,
 };
 use azalea_entity::{
-    Attributes, Dead, EyeHeight, LocalEntity, LookDirection, Physics, Position,
+    Attributes, Dead, LocalEntity, LookDirection, Physics, Position,
+    dimensions::EntityDimensions,
     metadata::{ArmorStandMarker, Marker},
     view_vector,
 };
@@ -31,7 +32,7 @@ pub fn update_hit_result_component(
             Entity,
             Option<&mut HitResultComponent>,
             &Position,
-            &EyeHeight,
+            &EntityDimensions,
             &LookDirection,
             &InstanceName,
             &Physics,
@@ -47,7 +48,7 @@ pub fn update_hit_result_component(
         entity,
         hit_result_ref,
         position,
-        eye_height,
+        dimensions,
         look_direction,
         world_name,
         physics,
@@ -57,7 +58,7 @@ pub fn update_hit_result_component(
         let block_pick_range = attributes.block_interaction_range.calculate();
         let entity_pick_range = attributes.entity_interaction_range.calculate();
 
-        let eye_position = position.up(eye_height.into());
+        let eye_position = position.up(dimensions.eye_height.into());
 
         let Some(world_lock) = instance_container.get(world_name) else {
             continue;
-- 
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