2 files changed, 4 insertions, 2 deletions
diff --git a/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPoint.java b/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPoint.java
index ecb3b268..b6497872 100644
--- a/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPoint.java
+++ b/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPoint.java
@@ -8,10 +8,11 @@ import net.minecraft.block.Block;
 import net.minecraft.util.BlockPos;
 
 import javax.vecmath.Vector2d;
+import java.io.Serializable;
 
 @Data
 @AllArgsConstructor
-public class OffsetPoint implements Cloneable {
+public class OffsetPoint implements Cloneable, Serializable {
     private int x;
     private int y;
     private int z;
diff --git a/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPointSet.java b/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPointSet.java
index c33f7af8..9aea7610 100644
--- a/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPointSet.java
+++ b/src/main/java/kr/syeyoung/dungeonsguide/dungeon/data/OffsetPointSet.java
@@ -2,11 +2,12 @@ package kr.syeyoung.dungeonsguide.dungeon.data;
 
 import lombok.Data;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
 @Data
-public class OffsetPointSet implements Cloneable{
+public class OffsetPointSet implements Cloneable, Serializable {
     private List<OffsetPoint> offsetPointList = new ArrayList<OffsetPoint>();
 
     @Override