Remove old sneaking/crawling workarounds

Since Bedrock implements these natively, there's no need for extra checks. :)

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

@@ -31,7 +31,6 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 import org.cloudburstmc.math.vector.Vector3f;
 import org.cloudburstmc.protocol.bedrock.data.AttributeData;
 import org.cloudburstmc.protocol.bedrock.data.entity.EntityDataTypes;
-import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
 import org.cloudburstmc.protocol.bedrock.packet.UpdateAttributesPacket;
 import org.geysermc.geyser.entity.attribute.GeyserAttributeType;
 import org.geysermc.geyser.item.Items;
@@ -60,10 +59,6 @@ public class SessionPlayerEntity extends PlayerEntity {
      */
     @Getter
     protected final Map<GeyserAttributeType, AttributeData> attributes = new Object2ObjectOpenHashMap<>();
-    /**
-     * Whether to check for updated speed after all entity metadata has been processed
-     */
-    private boolean refreshSpeed = false;
     /**
      * Used in PlayerInputTranslator for movement checks.
      */
@@ -120,9 +115,7 @@ public class SessionPlayerEntity extends PlayerEntity {
         // TODO: proper fix, BDS somehow does it? https://paste.gg/p/anonymous/3adfb7612f1540be80fa03a2281f93dc (BDS 1.20.13)
         if (!this.session.getGameMode().equals(GameMode.SPECTATOR)) {
             super.setFlags(entityMetadata);
-            session.setSwimmingInWater((entityMetadata.getPrimitiveValue() & 0x10) == 0x10 && getFlag(EntityFlag.SPRINTING));
         }
-        refreshSpeed = true;
     }
 
     /**
@@ -150,7 +143,6 @@ public class SessionPlayerEntity extends PlayerEntity {
     public void setPose(Pose pose) {
         super.setPose(pose);
         session.setPose(pose);
-        refreshSpeed = true;
     }
 
     public float getMaxHealth() {
@@ -199,21 +191,6 @@ public class SessionPlayerEntity extends PlayerEntity {
         }
     }
 
-    @Override
-    public void updateBedrockMetadata() {
-        super.updateBedrockMetadata();
-        if (refreshSpeed) {
-            AttributeData speedAttribute = session.adjustSpeed();
-            if (speedAttribute != null) {
-                UpdateAttributesPacket attributesPacket = new UpdateAttributesPacket();
-                attributesPacket.setRuntimeEntityId(geyserId);
-                attributesPacket.setAttributes(Collections.singletonList(speedAttribute));
-                session.sendUpstreamPacket(attributesPacket);
-            }
-            refreshSpeed = false;
-        }
-    }
-
     @Override
     protected void updateAttribute(Attribute javaAttribute, List<AttributeData> newAttributes) {
         if (javaAttribute.getType() == AttributeType.Builtin.GENERIC_ATTACK_SPEED) {
@@ -226,17 +203,6 @@ public class SessionPlayerEntity extends PlayerEntity {
     @Override
     protected AttributeData calculateAttribute(Attribute javaAttribute, GeyserAttributeType type) {
         AttributeData attributeData = super.calculateAttribute(javaAttribute, type);
-
-        if (javaAttribute.getType() == AttributeType.Builtin.GENERIC_MOVEMENT_SPEED) {
-            session.setOriginalSpeedAttribute(attributeData.getValue());
-            AttributeData speedAttribute = session.adjustSpeed();
-            if (speedAttribute != null) {
-                // Overwrite the attribute with our own
-                this.attributes.put(type, speedAttribute);
-                return speedAttribute;
-            }
-        }
-
         this.attributes.put(type, attributeData);
         return attributeData;
     }

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

@@ -317,22 +317,6 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
     @Setter
     private boolean sprinting;
 
-    /**
-     * Whether the player is swimming in water.
-     * Used to update speed when crawling.
-     */
-    @Setter
-    private boolean swimmingInWater;
-
-    /**
-     * Tracks the original speed attribute.
-     * <p>
-     * We need to do this in order to emulate speeds when sneaking under 1.5-blocks-tall areas if the player isn't sneaking,
-     * and when crawling.
-     */
-    @Setter
-    private float originalSpeedAttribute;
-
     /**
      * The dimension of the player.
      * As all entities are in the same world, this can be safely applied to all other entities.
@@ -1283,21 +1267,11 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
         this.sneaking = sneaking;
 
         // Update pose and bounding box on our end
-        AttributeData speedAttribute;
-        if (!sneaking && (speedAttribute = adjustSpeed()) != null) {
-            // Update attributes since we're still "sneaking" under a 1.5-block-tall area
-            UpdateAttributesPacket attributesPacket = new UpdateAttributesPacket();
-            attributesPacket.setRuntimeEntityId(playerEntity.getGeyserId());
-            attributesPacket.setAttributes(Collections.singletonList(speedAttribute));
-            sendUpstreamPacket(attributesPacket);
-            // the server *should* update our pose once it has returned to normal
-        } else {
-            if (!flying) {
-                // The pose and bounding box should not be updated if the player is flying
-                setSneakingPose(sneaking);
-            }
-            collisionManager.updateScaffoldingFlags(false);
+        if (!flying) {
+            // The pose and bounding box should not be updated if the player is flying
+            setSneakingPose(sneaking);
         }
+        collisionManager.updateScaffoldingFlags(false);
 
         playerEntity.updateBedrockMetadata();
 
@@ -1340,30 +1314,6 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
         }
     }
 
-    /**
-     * Adjusts speed if the player is crawling.
-     *
-     * @return not null if attributes should be updated.
-     */
-    public @Nullable AttributeData adjustSpeed() {
-        AttributeData currentPlayerSpeed = playerEntity.getAttributes().get(GeyserAttributeType.MOVEMENT_SPEED);
-        if (currentPlayerSpeed != null) {
-            if ((pose.equals(Pose.SNEAKING) && !sneaking && collisionManager.mustPlayerSneakHere()) ||
-                    (!swimmingInWater && playerEntity.getFlag(EntityFlag.SWIMMING) && !collisionManager.isPlayerInWater())) {
-                // Either of those conditions means that Bedrock goes zoom when they shouldn't be
-                AttributeData speedAttribute = GeyserAttributeType.MOVEMENT_SPEED.getAttribute(originalSpeedAttribute / 3.32f);
-                playerEntity.getAttributes().put(GeyserAttributeType.MOVEMENT_SPEED, speedAttribute);
-                return speedAttribute;
-            } else if (originalSpeedAttribute != currentPlayerSpeed.getValue()) {
-                // Speed has reset to normal
-                AttributeData speedAttribute = GeyserAttributeType.MOVEMENT_SPEED.getAttribute(originalSpeedAttribute);
-                playerEntity.getAttributes().put(GeyserAttributeType.MOVEMENT_SPEED, speedAttribute);
-                return speedAttribute;
-            }
-        }
-        return null;
-    }
-
     /**
      * Checks to see if a shield is in either hand to activate blocking. If so, it sets the Bedrock client to display
      * blocking and sends a packet to the Java server.