From 2cfee315bb602a71ee8165be61d4961c36f46ebc Mon Sep 17 00:00:00 2001
From: RuleGaed <arasomeroguz9@gmail.com>
Date: Fri, 15 May 2026 20:12:51 +0300
Subject: [PATCH] optimize warp lookup with map cache

Replaced O(n) stream filter in getWarp() with O(1) HashMap lookup. Cache is built on startup and synced on warp add/delete commands.
---
 .../essentials/ZEssentialsPlugin.java         | 20 ++++++++++++++++++-
 .../commands/warp/CommandDelWarp.java         |  2 ++
 .../commands/warp/CommandSetWarp.java         |  2 ++
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/main/java/fr/maxlego08/essentials/ZEssentialsPlugin.java b/src/main/java/fr/maxlego08/essentials/ZEssentialsPlugin.java
index b15e5182..24938f0f 100644
--- a/src/main/java/fr/maxlego08/essentials/ZEssentialsPlugin.java
+++ b/src/main/java/fr/maxlego08/essentials/ZEssentialsPlugin.java
@@ -149,6 +149,8 @@
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
@@ -163,6 +165,7 @@ public final class ZEssentialsPlugin extends ZPlugin implements EssentialsPlugin
     private final List<Material> materials = Arrays.stream(Material.values()).filter(e -> !e.name().startsWith("LEGACY_")).toList();
     private final Enchantments enchantments = new ZEnchantments();
     private final List<PermissionChecker> permissionCheckers = new ArrayList<>();
+    private volatile Map<String, Warp> warpsByName = Collections.emptyMap();
     private EssentialsUtils essentialsUtils;
     private ServerStorage serverStorage = new ZServerStorage(this);
     private InventoryManager inventoryManager;
@@ -220,6 +223,7 @@ public void onEnable() {
         // Load configuration files
         this.configurationFiles.forEach(ConfigurationFile::load);
         ConfigStorage.getInstance().load(getPersist());
+        rebuildWarpCache();
 
         // Commands
         this.registerListener(this.commandManager = new ZCommandManager(this));
@@ -523,9 +527,23 @@ public List<Warp> getWarps() {
         return ConfigStorage.warps;
     }
 
+    public void rebuildWarpCache() {
+        Map<String, Warp> map = new HashMap<>();
+        for (Warp warp : ConfigStorage.warps) {
+            map.put(warp.name().toLowerCase(), warp);
+        }
+        this.warpsByName = Collections.unmodifiableMap(map);
+    }
+
     @Override
     public Optional<Warp> getWarp(String name) {
-        return getWarps().stream().filter(warp -> warp.name().equalsIgnoreCase(name)).findFirst();
+        Warp warp = this.warpsByName.get(name.toLowerCase());
+        if (warp != null) return Optional.of(warp);
+        if (this.warpsByName.size() != ConfigStorage.warps.size()) {
+            rebuildWarpCache();
+            return Optional.ofNullable(this.warpsByName.get(name.toLowerCase()));
+        }
+        return Optional.empty();
     }
 
     @Override
diff --git a/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandDelWarp.java b/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandDelWarp.java
index 2ab735ee..b9901f7b 100644
--- a/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandDelWarp.java
+++ b/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandDelWarp.java
@@ -1,5 +1,6 @@
 package fr.maxlego08.essentials.commands.commands.warp;
 
+import fr.maxlego08.essentials.ZEssentialsPlugin;
 import fr.maxlego08.essentials.api.EssentialsPlugin;
 import fr.maxlego08.essentials.api.commands.CommandResultType;
 import fr.maxlego08.essentials.api.commands.Permission;
@@ -35,6 +36,7 @@ protected CommandResultType perform(EssentialsPlugin plugin) {
 
         ConfigStorage.warps.removeIf(warp -> warp.name().equalsIgnoreCase(warpName));
         ConfigStorage.getInstance().save(plugin.getPersist());
+        ((ZEssentialsPlugin) plugin).rebuildWarpCache();
 
         message(sender, Message.COMMAND_WARP_DELETE, "%name%", warpName);
 
diff --git a/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandSetWarp.java b/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandSetWarp.java
index 55cd3d60..34d462b2 100644
--- a/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandSetWarp.java
+++ b/src/main/java/fr/maxlego08/essentials/commands/commands/warp/CommandSetWarp.java
@@ -1,5 +1,6 @@
 package fr.maxlego08.essentials.commands.commands.warp;
 
+import fr.maxlego08.essentials.ZEssentialsPlugin;
 import fr.maxlego08.essentials.api.EssentialsPlugin;
 import fr.maxlego08.essentials.api.commands.CommandResultType;
 import fr.maxlego08.essentials.api.commands.Permission;
@@ -40,6 +41,7 @@ protected CommandResultType perform(EssentialsPlugin plugin) {
         ConfigStorage.warps.removeIf(warp -> warp.name().equalsIgnoreCase(warpName));
         ConfigStorage.warps.add(new Warp(warpName, new SafeLocation(this.player.getLocation())));
         ConfigStorage.getInstance().save(plugin.getPersist());
+        ((ZEssentialsPlugin) plugin).rebuildWarpCache();
 
         message(sender, Message.COMMAND_WARP_CREATE, "%name%", warpName);