Added Entity#setPose

src/main/java/net/minestom/server/command/CommandManager.java

@@ -41,7 +41,7 @@ public final class CommandManager {
 
     public static final String COMMAND_PREFIX = "/";
 
-    private volatile boolean running;
+    private volatile boolean running = true;
 
     private final ConsoleSender consoleSender = new ConsoleSender();
 
@@ -51,7 +51,6 @@ public final class CommandManager {
     private CommandCallback unknownCommandCallback;
 
     public CommandManager() {
-        running = true;
         // Setup console thread
         Thread consoleThread = new Thread(() -> {
             BufferedReader bi = new BufferedReader(new InputStreamReader(System.in));

src/main/java/net/minestom/server/entity/Entity.java

@@ -1136,9 +1136,33 @@ public abstract class Entity implements Viewable, EventHandler, DataContainer, P
      * @param sneaking true to make the entity sneak
      */
     public void setSneaking(boolean sneaking) {
-        this.crouched = sneaking;
-        this.pose = sneaking ? Pose.SNEAKING : Pose.STANDING;
-        sendMetadataIndex(0);
+        setPose(sneaking ? Pose.SNEAKING : Pose.STANDING);
+        sendMetadataIndex(0); // update the crouched metadata
+    }
+
+    /**
+     * Gets the current entity pose.
+     *
+     * @return the entity pose
+     */
+    @NotNull
+    public Pose getPose() {
+        return pose;
+    }
+
+    /**
+     * Changes the entity pose.
+     * <p>
+     * The internal {@code crouched} and {@code swimming} field will be
+     * updated accordingly.
+     *
+     * @param pose the new entity pose
+     */
+    @NotNull
+    public void setPose(@NotNull Pose pose) {
+        this.crouched = pose == Pose.SNEAKING;
+        this.swimming = pose == Pose.SWIMMING;
+        this.pose = pose;
         sendMetadataIndex(6);
     }
 
@@ -1159,6 +1183,7 @@ public abstract class Entity implements Viewable, EventHandler, DataContainer, P
      *
      * @return the current position of the entity
      */
+    @NotNull
     public Position getPosition() {
         return position;
     }

src/main/java/net/minestom/server/listener/WindowListener.java

@@ -86,9 +86,9 @@ public class WindowListener {
         }
 
         // Prevent the player from picking a ghost item in cursor
-        //if (!successful) {
+        if (!successful) {
             refreshCursorItem(player, inventory);
-        //}
+        }
 
         WindowConfirmationPacket windowConfirmationPacket = new WindowConfirmationPacket();
         windowConfirmationPacket.windowId = windowId;