fix stone strata fall back variant

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog],
 and this project adheres to [Semantic Versioning].
 
+## [0.3.8] - 2023-04-06
+
+### Fixed
+- stone strata fallback variant for clean stone
+
 ## [0.3.7] - 2023-04-02
 
 Initial 1.19.4 release!

Common/src/main/java/com/almostreliable/unified/api/StoneStrataHandler.java

@@ -50,7 +50,8 @@ public class StoneStrataHandler {
      * Use {@link #isStoneStrataTag(UnifyTag)} to fill this requirement.
      *
      * @param item The item to get the stone strata from.
-     * @return The stone strata of the item. Returning empty string means clean-stone strata.
+     * @return The stone strata of the item. Clean stone strata returns an empty string for later sorting as a
+     * fallback variant.
      */
     public String getStoneStrata(ResourceLocation item) {
         String strata = stoneStrataTagMap
@@ -64,12 +65,19 @@ public class StoneStrataHandler {
                     return i == -1 ? null : s.substring(i + 1);
                 })
                 .orElse(null);
+
         if (strata != null) {
+            if (strata.equals("stone")) {
+                return "";
+            }
             return strata;
         }
 
         for (String stone : stoneStrata) {
             if (item.getPath().contains(stone + "_")) {
+                if (stone.equals("stone")) {
+                    return "";
+                }
                 return stone;
             }
         }