Extractor: Add Tags

extractor/src/main/kotlin/de/snowii/extractor/Extractor.kt

@@ -29,6 +29,7 @@ class Extractor : ModInitializer {
             SyncedRegistries(),
             Packets(),
             Screens(),
+            Tags(),
             Items(),
             Blocks(),
         )

extractor/src/main/kotlin/de/snowii/extractor/extractors/Tags.kt

@@ -0,0 +1,40 @@
+package de.snowii.extractor.extractors
+
+import com.google.gson.JsonArray
+import com.google.gson.JsonElement
+import com.google.gson.JsonObject
+import de.snowii.extractor.Extractor
+import net.minecraft.registry.tag.TagPacketSerializer
+import net.minecraft.server.MinecraftServer
+
+
+class Tags : Extractor.Extractor {
+    override fun fileName(): String {
+        return "tags.json"
+    }
+
+    override fun extract(server: MinecraftServer): JsonElement {
+        val tagsJson = JsonArray()
+
+        val tags = TagPacketSerializer.serializeTags(server.combinedDynamicRegistries)
+
+        for (tag in tags.entries) {
+            val tagGroupTagsJson = JsonObject()
+            tagGroupTagsJson.addProperty("name", tag.key.value.toString())
+            val tagValues =
+                tag.value.toRegistryTags(server.combinedDynamicRegistries.combinedRegistryManager.getOrThrow(tag.key))
+            for (value in tagValues.tags) {
+                val tagGroupTagsJsonArray = JsonArray()
+                for (tagVal in value.value) {
+                    tagGroupTagsJsonArray.add(tagVal.key.orElseThrow().value.toString())
+                }
+                tagGroupTagsJson.add(value.key.id.toString(), tagGroupTagsJsonArray)
+            }
+            tagsJson.add(tagGroupTagsJson)
+        }
+
+        return tagsJson
+    }
+
+
+}