add logging

plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/CivModCorePlugin.java

@@ -9,6 +9,7 @@ import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.java.JavaPluginLoader;
 import org.ipvp.canvas.MenuFunctionListener;
 import vg.civcraft.mc.civmodcore.chat.dialog.DialogManager;
+import vg.civcraft.mc.civmodcore.commands.ChunkMetaCommand;
 import vg.civcraft.mc.civmodcore.commands.CommandManager;
 import vg.civcraft.mc.civmodcore.commands.StatCommand;
 import vg.civcraft.mc.civmodcore.dao.DatabaseCredentials;
@@ -95,6 +96,7 @@ public class CivModCorePlugin extends ACivMod {
 		this.commands.init();
 		this.commands.registerCommand(new ConfigCommand());
 		this.commands.registerCommand(new StatCommand());
+		this.commands.registerCommand(new ChunkMetaCommand());
 		// Load APIs
 		EnchantUtils.loadEnchantAbbreviations(this);
 		MoreTags.init();

plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/commands/ChunkMetaCommand.java

@@ -0,0 +1,33 @@
+package vg.civcraft.mc.civmodcore.commands;
+
+import co.aikar.commands.BaseCommand;
+import co.aikar.commands.annotation.CommandAlias;
+import co.aikar.commands.annotation.CommandPermission;
+import co.aikar.commands.annotation.Description;
+import co.aikar.commands.annotation.Subcommand;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.bukkit.command.CommandSender;
+
+@CommandAlias("cmc")
+public class ChunkMetaCommand extends BaseCommand {
+
+	private static boolean ENABLE_CHUNK_META_LOGS = false;
+
+	public static boolean chunkMetaLogsEnabled() {
+		return ENABLE_CHUNK_META_LOGS;
+	}
+
+	@Subcommand("chunkmeta")
+	@Description("Toggle showing chunk meta logs")
+	@CommandPermission("cmc.debug")
+	public void chunkmeta(CommandSender sender) {
+		if (ENABLE_CHUNK_META_LOGS) {
+			ENABLE_CHUNK_META_LOGS = false;
+			sender.sendMessage(Component.text("Chunk meta logs disabled.", NamedTextColor.RED));
+		} else {
+			ENABLE_CHUNK_META_LOGS = true;
+			sender.sendMessage(Component.text("Chunk meta logs enabled.", NamedTextColor.GREEN));
+		}
+	}
+}

plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/world/locations/chunkmeta/WorldChunkMetaManager.java

@@ -11,6 +11,7 @@ import java.util.function.Supplier;
 import java.util.logging.Logger;
 
 import org.bukkit.World;
+import vg.civcraft.mc.civmodcore.commands.ChunkMetaCommand;
 
 /**
  * Stores Chunk metadata for all plugins for one specific world. Metadata is
@@ -20,7 +21,6 @@ import org.bukkit.World;
  *
  */
 public class WorldChunkMetaManager {
-
 	/**
 	 * How long should chunk data be kept in memory after the chunk is unloaded? 5
 	 * minutes
@@ -228,16 +228,22 @@ public class WorldChunkMetaManager {
 				}
 
 				if (System.currentTimeMillis() - coord.getLastUnloadedTime() > UNLOAD_DELAY) {
+					if (ChunkMetaCommand.chunkMetaLogsEnabled()) {
+						logger.info("[Chunkmeta] Unloading chunk " + coord + " - unloaded: " + coord.getLastUnloadedTime());
+					}
 					unloadChunkCoord(coord);
 				} else {
 					if (readdList == null) {
 						readdList = new HashSet<>();
 					}
 					readdList.add(coord);
+
 				}
 			}
-
 			if (readdList != null) {
+				if (ChunkMetaCommand.chunkMetaLogsEnabled()) {
+					logger.info("[Chunkmeta] Unloaded chunks remaining unsaved: " + readdList);
+				}
 				unloadingQueue.addAll(readdList);
 			}
 		}, UNLOAD_CHECK_INTERVAL, UNLOAD_CHECK_INTERVAL, TimeUnit.MILLISECONDS);
@@ -267,6 +273,9 @@ public class WorldChunkMetaManager {
 			// written to the db
 			synchronized (metas) {
 				if (coord.isUnloaded()) {
+					if (ChunkMetaCommand.chunkMetaLogsEnabled()) {
+						logger.info("[Chunkmeta] Chunk no longer being tracked: " + coord);
+					}
 					metas.remove(coord);
 					coord.clearUnloaded();
 				}
@@ -313,6 +322,9 @@ public class WorldChunkMetaManager {
 	 */
 	void unloadChunk(int x, int z) {
 		ChunkCoord chunkCoord = getChunkCoord(x, z, false, false);
+		if (ChunkMetaCommand.chunkMetaLogsEnabled()) {
+			logger.info("[Chunkmeta] Add to unloading queue: " + chunkCoord);
+		}
 		// chunkCoord can never be null here, otherwise our data structure would be
 		// broken, in which case we'd want to know
 		chunkCoord.minecraftChunkUnloaded();

plugins/civmodcore-paper/src/main/java/vg/civcraft/mc/civmodcore/world/locations/chunkmeta/block/table/TableBasedBlockChunkMeta.java

@@ -3,6 +3,8 @@ package vg.civcraft.mc.civmodcore.world.locations.chunkmeta.block.table;
 import java.util.ArrayList;
 import java.util.List;
 import org.bukkit.Location;
+import vg.civcraft.mc.civmodcore.CivModCorePlugin;
+import vg.civcraft.mc.civmodcore.commands.ChunkMetaCommand;
 import vg.civcraft.mc.civmodcore.world.locations.chunkmeta.CacheState;
 import vg.civcraft.mc.civmodcore.world.locations.chunkmeta.block.BlockBasedChunkMeta;
 
@@ -52,6 +54,9 @@ public abstract class TableBasedBlockChunkMeta<D extends TableBasedDataObject>
 
 	@Override
 	public void insert() {
+		if (ChunkMetaCommand.chunkMetaLogsEnabled()) {
+			CivModCorePlugin.getInstance().getLogger().info("Inserting at " + chunkCoord);
+		}
 		for (D data : modifiedEntries) {
 			switch (data.getCacheState()) {
 			case NORMAL: