Improve performance at high player counts

rpgregions/src/main/java/net/islandearth/rpgregions/RPGRegions.java

@@ -318,9 +318,20 @@ public final class RPGRegions extends JavaPlugin implements IRPGRegionsAPI {
         metrics.addCustomChart(new SimplePie("integration_type", () -> getConfig().getString("settings.integration.name")));
     }
 
+    private Boolean debugEnabled;
+
+    // Called when the config is reloaded or the debug value was changed
+    public void markDebugDirty() {
+        this.debugEnabled = null;
+    }
+
     @Override
     public boolean debug() {
-        return this.getConfig().getBoolean("settings.dev.debug");
+        // This part of the code is called very often, caching the boolean gives a big performance boost at high player counts
+        if (this.debugEnabled == null) {
+            this.debugEnabled = this.getConfig().getBoolean("settings.dev.debug");
+        }
+        return debugEnabled;
     }
 
     @Override

rpgregions/src/main/java/net/islandearth/rpgregions/commands/RPGRegionsCommand.java

@@ -207,6 +207,7 @@ public class RPGRegionsCommand {
         }
 
         plugin.reloadConfig();
+        plugin.markDebugDirty();
         plugin.getManagers().getRegenerationManager().reload();
         Bukkit.getPluginManager().callEvent(new RPGRegionsReloadEvent());
         long endTime = System.currentTimeMillis();

rpgregions/src/main/java/net/islandearth/rpgregions/commands/RPGRegionsDebugCommand.java

@@ -69,6 +69,7 @@ public class RPGRegionsDebugCommand {
     public void onEnable(CommandSender sender) {
         final boolean newValue = !plugin.debug();
         plugin.getConfig().set("settings.dev.debug", newValue);
+        plugin.markDebugDirty();
         if (newValue) sender.sendMessage(ChatColor.GREEN + "Debug enabled.");
         else sender.sendMessage(ChatColor.RED + "Debug disabled.");
     }