Add "/player look at" subcommand

src/main/java/carpet/helpers/EntityPlayerActionPack.java

@@ -2,6 +2,7 @@ package carpet.helpers;
 
 import carpet.fakes.ServerPlayerEntityInterface;
 import net.minecraft.block.BlockState;
+import net.minecraft.command.arguments.EntityAnchorArgumentType;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.passive.HorseBaseEntity;
 import net.minecraft.entity.player.PlayerInventory;
@@ -127,6 +128,12 @@ public class EntityPlayerActionPack
         return this;
     }
 
+    public EntityPlayerActionPack lookAt(Vec3d position)
+    {
+        player.lookAt(EntityAnchorArgumentType.EntityAnchor.EYES, position);
+        return this;
+    }
+
     public EntityPlayerActionPack turn(float yaw, float pitch)
     {
         return look(player.yaw + yaw, player.pitch + pitch);