Speeds up smith presets by using caching and sets

src/main/java/net/knarcraft/blacksmith/command/PresetCommand.java

@@ -12,6 +12,7 @@ import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 /**
  * The command for displaying which materials are contained in a preset
@@ -26,7 +27,7 @@ public class PresetCommand implements CommandExecutor {
         }
 
         String presetName = args[0].toUpperCase().replace('-', '_');
-        List<Material> includedMaterials;
+        Set<Material> includedMaterials;
 
         try {
             //Display the preset with the filter applied

src/main/java/net/knarcraft/blacksmith/command/blacksmith/BlackSmithConfigCommand.java

@@ -19,7 +19,7 @@ import org.bukkit.enchantments.Enchantment;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.List;
+import java.util.Set;
 
 /**
  * The command used for changing global blacksmith configuration options
@@ -215,7 +215,7 @@ public class BlackSmithConfigCommand implements CommandExecutor {
     private void updateAllMatchedPrices(@NotNull GlobalBlacksmithSettings settings,
                                         @NotNull BlacksmithSetting blacksmithSetting,
                                         @NotNull String materialName, double newPrice) {
-        List<Material> materials = ItemHelper.getWildcardMatch(materialName, false);
+        Set<Material> materials = ItemHelper.getWildcardMatch(materialName, false);
         for (Material material : materials) {
             if (blacksmithSetting == BlacksmithSetting.BASE_PRICE) {
                 settings.setBasePrice(material, newPrice);