Added EntityCreature#setView

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

@@ -765,6 +765,14 @@ public abstract class Entity implements Viewable, EventHandler, DataContainer {
         }
     }
 
+    /**
+     * Update the entity view internally
+     * <p>
+     * Warning: you probably want to use {@link EntityCreature#setView(float, float)}
+     *
+     * @param yaw   the yaw
+     * @param pitch the pitch
+     */
     public void refreshView(float yaw, float pitch) {
         this.lastYaw = position.getYaw();
         this.lastPitch = position.getPitch();

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

@@ -119,16 +119,20 @@ public abstract class EntityCreature extends LivingEntity {
         }
 
         if (lastYaw != yaw) {
-            EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
+            setView(yaw, pitch);
-            entityHeadLookPacket.entityId = getEntityId();
-            entityHeadLookPacket.yaw = yaw;
-            sendPacketToViewers(entityHeadLookPacket);
-            refreshView(yaw, pitch);
         }
 
         refreshPosition(newX, newY, newZ);
     }
 
+    public void setView(float yaw, float pitch) {
+        EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
+        entityHeadLookPacket.entityId = getEntityId();
+        entityHeadLookPacket.yaw = yaw;
+        sendPacketToViewers(entityHeadLookPacket);
+        refreshView(yaw, pitch);
+    }
+
     @Override
     public void spawn() {
 

src/main/java/net/minestom/server/instance/ChunkLoader.java

@@ -9,7 +9,7 @@ import java.util.function.Consumer;
 public class ChunkLoader {
 
     private static String getChunkKey(int chunkX, int chunkZ) {
-        return "chunk_" + chunkX + "." + chunkZ;
+        return chunkX + "." + chunkZ;
     }
 
     protected void saveChunk(Chunk chunk, StorageFolder storageFolder, Runnable callback) {

src/main/java/net/minestom/server/instance/InstanceContainer.java

@@ -413,7 +413,8 @@ public class InstanceContainer extends Instance {
     }
 
     private void cacheChunk(Chunk chunk) {
-        this.chunks.put(ChunkUtils.getChunkIndex(chunk.getChunkX(), chunk.getChunkZ()), chunk);
+        long index = ChunkUtils.getChunkIndex(chunk.getChunkX(), chunk.getChunkZ());
+        this.chunks.put(index, chunk);
     }
 
     @Override