1 files changed, 18 insertions, 0 deletions
diff --git a/src/main/java/gregtech/nei/INEISpecialInfoFormatter.java b/src/main/java/gregtech/nei/INEISpecialInfoFormatter.java
new file mode 100644
index 0000000000..8f15be7026
--- /dev/null
+++ b/src/main/java/gregtech/nei/INEISpecialInfoFormatter.java
@@ -0,0 +1,18 @@
+package gregtech.nei;
+
+import java.util.List;
+import java.util.function.Function;
+
+/**
+ * Getter for description for {@link gregtech.api.util.GT_Recipe#mSpecialValue} etc. that will be drawn on NEI.
+ */
+@FunctionalInterface
+public interface INEISpecialInfoFormatter {
+
+    /**
+     * @param recipeInfo Recipe info to draw description. You can retrieve special value with {@code recipeInfo.recipe.mSpecialValue}.
+     * @param applyPrefixAndSuffix Function to apply {@link gregtech.api.util.GT_Recipe.GT_Recipe_Map#formatSpecialValue}.
+     * @return List of strings containing info for special value etc.
+     */
+    List<String> format(NEIRecipeInfo recipeInfo, Function<Integer, String> applyPrefixAndSuffix);
+}