1 files changed, 27 insertions, 0 deletions
diff --git a/src/main/kotlin/features/debug/ExportedTestConstantMeta.kt b/src/main/kotlin/features/debug/ExportedTestConstantMeta.kt
new file mode 100644
index 0000000..f0250dc
--- /dev/null
+++ b/src/main/kotlin/features/debug/ExportedTestConstantMeta.kt
@@ -0,0 +1,27 @@
+package moe.nea.firmament.features.debug
+
+import com.mojang.serialization.Codec
+import com.mojang.serialization.codecs.RecordCodecBuilder
+import java.util.Optional
+import net.minecraft.SharedConstants
+import moe.nea.firmament.Firmament
+
+data class ExportedTestConstantMeta(
+	val dataVersion: Int,
+	val modVersion: Optional<String>,
+) {
+	companion object {
+		val current = ExportedTestConstantMeta(
+			SharedConstants.getGameVersion().saveVersion.id,
+			Optional.of("Firmament ${Firmament.version.friendlyString}")
+		)
+
+		val CODEC: Codec<ExportedTestConstantMeta> = RecordCodecBuilder.create {
+			it.group(
+				Codec.INT.fieldOf("dataVersion").forGetter(ExportedTestConstantMeta::dataVersion),
+				Codec.STRING.optionalFieldOf("modVersion").forGetter(ExportedTestConstantMeta::modVersion),
+			).apply(it, ::ExportedTestConstantMeta)
+		}
+		val SOURCE_CODEC = CODEC.fieldOf("source").codec()
+	}
+}