Add support for setting animation frame

api/src/main/java/com/bartlomiejpluta/base/api/animation/Animated.java

@@ -16,4 +16,6 @@ public interface Animated extends Updatable {
    float getAnimationSpeed();
 
    void setAnimationSpeed(float speed);
+
+   void setAnimationFrame(int frame);
 }

api/src/main/java/com/bartlomiejpluta/base/lib/animation/AnimationDelegate.java

@@ -66,6 +66,11 @@ public abstract class AnimationDelegate implements Animation {
       animation.toggleAnimationEnabled();
    }
 
+   @Override
+   public void setAnimationFrame(int frame) {
+      animation.setAnimationFrame(frame);
+   }
+
    @Override
    public float getAnimationSpeed() {
       return animation.getAnimationSpeed();

api/src/main/java/com/bartlomiejpluta/base/lib/entity/EntityDelegate.java

@@ -95,6 +95,11 @@ public abstract class EntityDelegate implements Entity {
       entity.toggleAnimationEnabled();
    }
 
+   @Override
+   public void setAnimationFrame(int frame) {
+      entity.setAnimationFrame(frame);
+   }
+
    @Override
    public float getAnimationSpeed() {
       return entity.getAnimationSpeed();

api/src/main/java/com/bartlomiejpluta/base/util/path/EntityPath.java

@@ -37,6 +37,11 @@ public class EntityPath<T extends Entity> implements Path<T> {
       return this;
    }
 
+   public EntityPath<T> turn(Direction direction, int newAnimationFrame) {
+      path.add(new TurnSegment<>(direction, newAnimationFrame));
+      return this;
+   }
+
    public EntityPath<T> wait(float seconds) {
       path.add(new WaitSegment<>(seconds));
       return this;

api/src/main/java/com/bartlomiejpluta/base/util/path/TurnSegment.java

@@ -3,19 +3,30 @@ package com.bartlomiejpluta.base.util.path;
 import com.bartlomiejpluta.base.api.entity.Entity;
 import com.bartlomiejpluta.base.api.map.layer.object.ObjectLayer;
 import com.bartlomiejpluta.base.api.move.Direction;
+import lombok.NonNull;
 
 import static java.util.Objects.requireNonNull;
 
 public class TurnSegment<T extends Entity> implements PathSegment<T> {
    private final Direction direction;
+   private final Integer newAnimationFrame;
 
-   public TurnSegment(Direction direction) {
-      this.direction = requireNonNull(direction);
+   public TurnSegment(@NonNull Direction direction, int newAnimationFrame) {
+      this.direction = direction;
+      this.newAnimationFrame = newAnimationFrame;
+   }
+
+   public TurnSegment(@NonNull Direction direction) {
+      this.direction = direction;
+      this.newAnimationFrame = null;
    }
 
    @Override
    public PathProgress perform(T entity, ObjectLayer layer, float dt) {
       entity.setFaceDirection(direction);
+      if (newAnimationFrame != null) {
+         entity.setAnimationFrame(newAnimationFrame);
+      }
       return PathProgress.SEGMENT_DONE;
    }
 }