Added entity kill operation cache.

src/main/java/dev/micle/xptools/config/Config.java

@@ -131,6 +131,7 @@ public final class Config {
         private static void onConfigReload() {
             // Clear cache
             OperationCache.clearBlockBreakCache();
+            OperationCache.clearEntityKillCache();
 
             // Parse all block break global operations
             blockBreakGlobalOperationItems = new ArrayList<>();

src/main/java/dev/micle/xptools/operation/OperationCache.java

@@ -7,11 +7,16 @@ import java.util.List;
 
 public class OperationCache {
     private static HashMap<String, List<OperationItem>> blockBreakCache;
+    private static HashMap<String, List<OperationItem>> entityKillCache;
 
     public static void clearBlockBreakCache() {
         blockBreakCache = new HashMap<>();
     }
 
+    public static void clearEntityKillCache() {
+        entityKillCache = new HashMap<>();
+    }
+
     public static @Nullable List<OperationItem> getBlockBreakCacheEntry(String key) {
         if (blockBreakCache.containsKey(key)) {
             return new ArrayList<>(blockBreakCache.get(key));
@@ -19,7 +24,18 @@ public class OperationCache {
         return null;
     }
 
+    public static @Nullable List<OperationItem> getEntityKillCacheEntry(String key) {
+        if (entityKillCache.containsKey(key)) {
+            return new ArrayList<>(entityKillCache.get(key));
+        }
+        return null;
+    }
+
     public static void addBlockBreakCacheEntry(String key, List<OperationItem> value) {
         blockBreakCache.putIfAbsent(key, new ArrayList<>(value));
     }
+
+    public static void addEntityKillCacheEntry(String key, List<OperationItem> value) {
+        entityKillCache.putIfAbsent(key, new ArrayList<>(value));
+    }
 }