Remove some strain on the Database

SpigotCore/SpigotCore_Main/src/de/steamwar/core/WorldEditRendererCUIEditor.java

@@ -24,18 +24,27 @@ import de.steamwar.inventory.SWInventory;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.sql.UserConfig;
 import lombok.AllArgsConstructor;
+import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.block.data.type.Light;
 import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.inventory.meta.BlockDataMeta;
 import org.bukkit.inventory.meta.ItemMeta;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
+import java.util.*;
 
-public class WorldEditRendererCUIEditor {
+public class WorldEditRendererCUIEditor implements Listener {
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        for (Type type : Type.values()) {
+            type.materialCache.remove(event.getPlayer());
+            type.widthCache.remove(event.getPlayer());
+        }
+    }
 
     @AllArgsConstructor
     public enum Type {
@@ -43,34 +52,43 @@ public class WorldEditRendererCUIEditor {
         CLIPBOARD("cui_clipboard_material", "cui_clipboard_width", Material.LIME_CONCRETE, Width.SLIM),
         ;
 
+        private final Map<Player, Material> materialCache = new HashMap<>();
+        private final Map<Player, Width> widthCache = new HashMap<>();
+
         private final String configMaterial;
         private final String configWidth;
         private final Material defaultMaterial;
         private final Width defaultWidth;
 
         public Material getMaterial(Player player) {
-            String material = UserConfig.getConfig(player.getUniqueId(), configMaterial);
-            if (material == null) {
-                return defaultMaterial;
-            } else {
-                return Material.valueOf(material);
-            }
+            return materialCache.computeIfAbsent(player, p -> {
+                String material = UserConfig.getConfig(p.getUniqueId(), configMaterial);
+                if (material == null) {
+                    return defaultMaterial;
+                } else {
+                    return Material.valueOf(material);
+                }
+            });
         }
 
         public void setMaterial(Player player, Material material) {
+            materialCache.put(player, material);
             UserConfig.updatePlayerConfig(player.getUniqueId(), configMaterial, material.name());
         }
 
         public Width getWidth(Player player) {
-            String width = UserConfig.getConfig(player.getUniqueId(), configWidth);
-            if (width == null) {
-                return defaultWidth;
-            } else {
-                return Width.valueOf(width);
-            }
+            return widthCache.computeIfAbsent(player, p -> {
+                String width = UserConfig.getConfig(p.getUniqueId(), configWidth);
+                if (width == null) {
+                    return defaultWidth;
+                } else {
+                    return Width.valueOf(width);
+                }
+            });
         }
 
         public void setWidth(Player player, Width width) {
+            widthCache.put(player, width);
             UserConfig.updatePlayerConfig(player.getUniqueId(), configWidth, width.name());
         }
     }
@@ -90,6 +108,7 @@ public class WorldEditRendererCUIEditor {
     public WorldEditRendererCUIEditor() {
         if (Core.getVersion() >= 20) {
             new Command();
+            Bukkit.getPluginManager().registerEvents(this, Core.getInstance());
         }
     }