Added support to clear Slimefun data when chunks are wiped (#850)

Hooks/Slimefun/src/main/java/com/bgsoftware/superiorskyblock/external/SlimefunHook.java

@@ -1,7 +1,8 @@
 package com.bgsoftware.superiorskyblock.external;
 
-import com.bgsoftware.common.reflection.ReflectField;
+import com.bgsoftware.common.reflection.ReflectMethod;
 import com.bgsoftware.superiorskyblock.SuperiorSkyblockPlugin;
+import com.bgsoftware.superiorskyblock.api.events.IslandChunkResetEvent;
 import com.bgsoftware.superiorskyblock.api.island.Island;
 import com.bgsoftware.superiorskyblock.api.island.IslandPrivilege;
 import com.bgsoftware.superiorskyblock.api.wrappers.SuperiorPlayer;
@@ -19,23 +20,22 @@
 import io.github.thebusybiscuit.slimefun4.api.events.BlockPlacerPlaceEvent;
 import io.github.thebusybiscuit.slimefun4.implementation.SlimefunPlugin;
 import me.mrCookieSlime.Slimefun.api.BlockStorage;
-import me.mrCookieSlime.Slimefun.cscorelib2.config.Config;
 import me.mrCookieSlime.Slimefun.cscorelib2.protection.ProtectableAction;
 import me.mrCookieSlime.Slimefun.cscorelib2.protection.ProtectionModule;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
+import org.bukkit.World;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
 import org.bukkit.plugin.Plugin;
 
-import java.util.Map;
-
 @SuppressWarnings("unused")
 public class SlimefunHook {
 
-    private static final ReflectField<Map<Location, Config>> BLOCK_STORAGE_STORAGE = new ReflectField<>(BlockStorage.class, Map.class, "storage");
+    private static final ReflectMethod<Void> BLOCK_STORAGE_CLEAR_ALL_BLOCK_INFO_AT_CHUNK_METHOD = new ReflectMethod<>(
+            BlockStorage.class, "clearAllBlockInfoAtChunk", World.class, int.class, int.class, boolean.class);
 
     private static SuperiorSkyblockPlugin plugin;
 
@@ -61,6 +61,8 @@ public static void register(SuperiorSkyblockPlugin plugin) {
         if (isClassLoaded("io.github.thebusybiscuit.slimefun4.api.events.BlockPlacerPlaceEvent"))
             plugin.getServer().getPluginManager().registerEvents(new AutoPlacerPlaceListener(), plugin);
 
+        if (BLOCK_STORAGE_CLEAR_ALL_BLOCK_INFO_AT_CHUNK_METHOD.isValid())
+            plugin.getServer().getPluginManager().registerEvents(new ChunkWipeListener(), plugin);
     }
 
     private static boolean isClassLoaded(String clazz) {
@@ -133,6 +135,15 @@ public void onAutoPlacerPlaceBlock(BlockPlacerPlaceEvent e) {
 
     }
 
+    private static class ChunkWipeListener implements Listener {
+
+        @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+        public void onChunkWipe(IslandChunkResetEvent e) {
+            BLOCK_STORAGE_CLEAR_ALL_BLOCK_INFO_AT_CHUNK_METHOD.invoke(null, e.getWorld(), e.getChunkX(), e.getChunkZ(), true);
+        }
+
+    }
+
     private static class ProtectionModuleImpl implements ProtectionModule {
 
         private final Plugin plugin;