3 files changed, 94 insertions, 0 deletions
diff --git a/mod/src/main/java/moe/ymc/acron/common/Vec2f.java b/mod/src/main/java/moe/ymc/acron/common/Vec2f.java
new file mode 100644
index 0000000..5ab3dfd
--- /dev/null
+++ b/mod/src/main/java/moe/ymc/acron/common/Vec2f.java
@@ -0,0 +1,25 @@
+package moe.ymc.acron.common;
+
+import com.google.gson.*;
+import com.google.gson.annotations.SerializedName;
+
+import java.lang.reflect.Type;
+
+public record Vec2f(@SerializedName("x") float x,
+                    @SerializedName("y") float y) {
+    public static class Vec2fDeserializer implements JsonDeserializer<Vec2f> {
+        @Override
+        public Vec2f deserialize(JsonElement json,
+                                 Type typeOfT,
+                                 JsonDeserializationContext context) throws JsonParseException {
+            final JsonObject object = json.getAsJsonObject();
+            final float x = object.has("x") ?
+                    object.get("x").getAsFloat() :
+                    0.0f;
+            final float y = object.has("y") ?
+                    object.get("y").getAsFloat() :
+                    0.0f;
+            return new Vec2f(x, y);
+        }
+    }
+}
+\ No newline at end of file
diff --git a/mod/src/main/java/moe/ymc/acron/common/Vec3d.java b/mod/src/main/java/moe/ymc/acron/common/Vec3d.java
new file mode 100644
index 0000000..593019f
--- /dev/null
+++ b/mod/src/main/java/moe/ymc/acron/common/Vec3d.java
@@ -0,0 +1,34 @@
+package moe.ymc.acron.common;
+
+import com.google.gson.*;
+import com.google.gson.annotations.SerializedName;
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.reflect.Type;
+
+public record Vec3d(@SerializedName("x") double x,
+                    @SerializedName("y") double y,
+                    @SerializedName("z") double z) {
+    public Vec3d(@NotNull net.minecraft.util.math.Vec3d vec3d) {
+        this(vec3d.x, vec3d.y, vec3d.z);
+    }
+
+    public static class Vec3dDeserializer implements JsonDeserializer<Vec3d> {
+        @Override
+        public Vec3d deserialize(JsonElement json,
+                                 Type typeOfT,
+                                 JsonDeserializationContext context) throws JsonParseException {
+            final JsonObject object = json.getAsJsonObject();
+            final double x = object.has("x") ?
+                    object.get("x").getAsDouble() :
+                    0.0;
+            final double y = object.has("y") ?
+                    object.get("y").getAsDouble() :
+                    0.0;
+            final double z = object.has("z") ?
+                    object.get("z").getAsDouble() :
+                    0.0;
+            return new Vec3d(x, y, z);
+        }
+    }
+}
+\ No newline at end of file
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