Fix sneaking speed adjustment and bounding box (#2728)

* Fix sneaking speed adjustment and bounding box

Also remove redundant session variable in SessionPlayerEntity

* Add comment to valid field

* Hopefully fix crawling after swimming in water

core/src/main/java/org/geysermc/geyser/entity/EntityDefinitions.java

@@ -181,7 +181,7 @@ public final class EntityDefinitions {
                 .addTranslator(MetadataType.BOOLEAN, Entity::setDisplayNameVisible)
                 .addTranslator(MetadataType.BOOLEAN, (entity, entityMetadata) -> entity.setFlag(EntityFlag.SILENT, ((BooleanEntityMetadata) entityMetadata).getPrimitiveValue()))
                 .addTranslator(MetadataType.BOOLEAN, Entity::setGravity)
-                .addTranslator(MetadataType.POSE, Entity::setPose)
+                .addTranslator(MetadataType.POSE, (entity, entityMetadata) -> entity.setPose(entityMetadata.getValue()))
                 .addTranslator(MetadataType.INT, Entity::setFreezing)
                 .build();
 

core/src/main/java/org/geysermc/geyser/entity/type/Entity.java

@@ -81,6 +81,9 @@ public class Entity {
 
     protected EntityDefinition<?> definition;
 
+    /**
+     * Indicates if the entity has been initialized and spawned
+     */
     protected boolean valid;
 
     /* Metadata about this specific entity */
@@ -372,9 +375,7 @@ public class Entity {
     /**
      * Usually used for bounding box and not animation.
      */
-    public void setPose(EntityMetadata<Pose, ?> entityMetadata) {
+    public void setPose(Pose pose) {
-        Pose pose = entityMetadata.getValue();
-
         setFlag(EntityFlag.SLEEPING, pose.equals(Pose.SLEEPING));
         // Triggered when crawling
         setFlag(EntityFlag.SWIMMING, pose.equals(Pose.SWIMMING));
@@ -390,13 +391,15 @@ public class Entity {
         setBoundingBoxWidth(definition.width());
     }
 
-    public void setBoundingBoxHeight(float height) {
+    public boolean setBoundingBoxHeight(float height) {
         if (height != boundingBoxHeight) {
             boundingBoxHeight = height;
             dirtyMetadata.put(EntityData.BOUNDING_BOX_HEIGHT, boundingBoxHeight);
 
             updatePassengerOffsets();
+            return true;
         }
+        return false;
     }
 
     public void setBoundingBoxWidth(float width) {

core/src/main/java/org/geysermc/geyser/entity/type/player/SessionPlayerEntity.java

@@ -73,13 +73,10 @@ public class SessionPlayerEntity extends PlayerEntity {
      */
     private int fakeTradeXp;
 
-    private final GeyserSession session;
-
     public SessionPlayerEntity(GeyserSession session) {
         super(session, -1, 1, new GameProfile(UUID.randomUUID(), "unknown"), Vector3f.ZERO, Vector3f.ZERO, 0, 0, 0);
 
         valid = true;
-        this.session = session;
     }
 
     @Override
@@ -95,7 +92,7 @@ public class SessionPlayerEntity extends PlayerEntity {
 
     @Override
     public void setPosition(Vector3f position) {
-        if (session != null) { // null during entity initialization
+        if (valid) { // Don't update during session init
             session.getCollisionManager().updatePlayerBoundingBox(position);
         }
         super.setPosition(position);
@@ -117,15 +114,28 @@ public class SessionPlayerEntity extends PlayerEntity {
         super.setFlags(entityMetadata);
         // Swimming/crawling is controlled by the Java server
         boolean swimming = (entityMetadata.getPrimitiveValue() & 0x10) == 0x10;
-        session.setSwimming(swimming);
+        if (swimming) {
+            setPose(Pose.SWIMMING);
+        }
         session.setSwimmingInWater(swimming && getFlag(EntityFlag.SPRINTING));
         refreshSpeed = true;
     }
 
     @Override
-    public void setPose(EntityMetadata<Pose, ?> entityMetadata) {
+    public boolean setBoundingBoxHeight(float height) {
-        super.setPose(entityMetadata);
+        if (super.setBoundingBoxHeight(height)) {
-        session.setPose(entityMetadata.getValue());
+            if (valid) { // Don't update during session init
+                session.getCollisionManager().updatePlayerBoundingBox();
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public void setPose(Pose pose) {
+        super.setPose(pose);
+        session.setPose(pose);
         refreshSpeed = true;
     }
 

core/src/main/java/org/geysermc/geyser/session/GeyserSession.java

@@ -1059,18 +1059,14 @@ public class GeyserSession implements GeyserConnection, CommandSender {
     }
 
     private void setSneakingPose(boolean sneaking) {
-        this.pose = sneaking ? Pose.SNEAKING : Pose.STANDING;
+        if (this.pose == Pose.SNEAKING && !sneaking) {
-        playerEntity.setBoundingBoxHeight(sneaking ? 1.5f : playerEntity.getDefinition().height());
+            this.pose = Pose.STANDING;
-        playerEntity.setFlag(EntityFlag.SNEAKING, sneaking);
+            playerEntity.setBoundingBoxHeight(playerEntity.getDefinition().height());
-
+        } else if (sneaking) {
-        collisionManager.updatePlayerBoundingBox();
+            this.pose = Pose.SNEAKING;
+            playerEntity.setBoundingBoxHeight(1.5f);
         }
-
+        playerEntity.setFlag(EntityFlag.SNEAKING, sneaking);
-    public void setSwimming(boolean swimming) {
-        this.pose = swimming ? Pose.SWIMMING : Pose.STANDING;
-        playerEntity.setBoundingBoxHeight(swimming ? 0.6f : playerEntity.getDefinition().height());
-        playerEntity.setFlag(EntityFlag.SWIMMING, swimming);
-        playerEntity.updateBedrockMetadata();
     }
 
     public void setFlying(boolean flying) {

core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockAdventureSettingsTranslator.java

@@ -49,10 +49,5 @@ public class BedrockAdventureSettingsTranslator extends PacketTranslator<Adventu
         session.setFlying(isFlying);
         ServerboundPlayerAbilitiesPacket abilitiesPacket = new ServerboundPlayerAbilitiesPacket(isFlying);
         session.sendDownstreamPacket(abilitiesPacket);
-
-        if (isFlying && session.getPlayerEntity().getFlag(EntityFlag.SWIMMING)) {
-            // Bedrock can fly and swim at the same time? Make sure that can't happen
-            session.setSwimming(false);
-        }
     }
 }