1.21.6/7 Support (#1210)

core/src/main/java/com/volmit/iris/core/ServerConfigurator.java

@@ -107,6 +107,10 @@ public class ServerConfigurator {
     }
 
     public static void installDataPacks(IDataFixer fixer, boolean fullInstall) {
+        if (fixer == null) {
+            Iris.error("Unable to install datapacks, fixer is null!");
+            return;
+        }
         Iris.info("Checking Data Packs...");
         DimensionHeight height = new DimensionHeight(fixer);
         KList<File> folders = getDatapacksFolder();

core/src/main/java/com/volmit/iris/core/nms/INMS.java

@@ -35,7 +35,9 @@ public class INMS {
             "1.21.2", "v1_21_R2",
             "1.21.3", "v1_21_R2",
             "1.21.4", "v1_21_R3",
-            "1.21.5", "v1_21_R4"
+            "1.21.5", "v1_21_R4",
+            "1.21.6", "v1_21_R5",
+            "1.21.7", "v1_21_R5"
     );
     private static final List<Version> PACKS = List.of(
             new Version(21, 4, "31020"),

core/src/main/java/com/volmit/iris/core/nms/datapack/DataVersion.java

@@ -13,6 +13,7 @@ import java.util.function.Supplier;
 //https://minecraft.wiki/w/Pack_format
 @Getter
 public enum DataVersion {
+    UNSUPPORTED("0.0.0", 0, () -> null),
     V1192("1.19.2", 10, DataFixerV1192::new),
     V1205("1.20.6", 41, DataFixerV1206::new),
     V1213("1.21.3", 57, DataFixerV1213::new);

core/src/main/java/com/volmit/iris/core/nms/v1X/NMSBinding1X.java

@@ -21,6 +21,7 @@ package com.volmit.iris.core.nms.v1X;
 import com.volmit.iris.Iris;
 import com.volmit.iris.core.nms.INMSBinding;
 import com.volmit.iris.core.nms.container.BiomeColor;
+import com.volmit.iris.core.nms.datapack.DataVersion;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
@@ -207,6 +208,11 @@ public class NMSBinding1X implements INMSBinding {
         return true;
     }
 
+    @Override
+    public DataVersion getDataVersion() {
+        return DataVersion.UNSUPPORTED;
+    }
+
     @Override
     public int getBiomeId(Biome biome) {
         return biome.ordinal();

core/src/main/java/com/volmit/iris/util/decree/handlers/DataVersionHandler.java

@@ -8,7 +8,7 @@ import com.volmit.iris.util.decree.exceptions.DecreeParsingException;
 public class DataVersionHandler implements DecreeParameterHandler<DataVersion> {
     @Override
     public KList<DataVersion> getPossibilities() {
-        return new KList<>(DataVersion.values());
+        return new KList<>(DataVersion.values()).qdel(DataVersion.UNSUPPORTED);
     }
 
     @Override