1 files changed, 35 insertions, 0 deletions
diff --git a/mod/src/main/java/moe/ymc/acron/common/WorldKey.java b/mod/src/main/java/moe/ymc/acron/common/WorldKey.java
new file mode 100644
index 0000000..fa10d54
--- /dev/null
+++ b/mod/src/main/java/moe/ymc/acron/common/WorldKey.java
@@ -0,0 +1,35 @@
+package moe.ymc.acron.common;
+
+import com.google.gson.annotations.SerializedName;
+import net.minecraft.util.Identifier;
+import net.minecraft.world.dimension.DimensionType;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public enum WorldKey {
+    @SerializedName("overworld")
+    OVERWORLD,
+    @SerializedName("nether")
+    NETHER,
+    @SerializedName("end")
+    END;
+
+    private static final Logger LOGGER = LogManager.getLogger();
+
+    public static @Nullable WorldKey create(@NotNull Identifier identifier) {
+        if (identifier.equals(DimensionType.OVERWORLD_ID)) {
+            return OVERWORLD;
+        } else if (identifier.equals(DimensionType.THE_NETHER_ID)) {
+            return NETHER;
+        } else if (identifier.equals(DimensionType.THE_END_ID)) {
+            return END;
+        } else {
+            LOGGER.warn("Unknown world {}:{}. Returning NULL to the client.",
+                    identifier.getNamespace(),
+                    identifier.getPath());
+            return null;
+        }
+    }
+}
+\ No newline at end of file