ver 1.1

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>xyz.fortern</groupId>
     <artifactId>fortern-helper</artifactId>
-    <version>1.0</version>
+    <version>1.1</version>
     <packaging>jar</packaging>
 
     <name>fortern-helper</name>
@@ -65,6 +65,10 @@
             <id>spigotmc-repo</id>
             <url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
         </repository>
+        <repository>
+            <id>placeholderapi</id>
+            <url>https://repo.helpch.at/releases/</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -102,5 +106,12 @@
             <version>4.4.1</version>
             <scope>provided</scope>
         </dependency>
+        <!-- PlaceholderAPI -->
+        <dependency>
+            <groupId>me.clip</groupId>
+            <artifactId>placeholderapi</artifactId>
+            <version>2.12.2</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 </project>

src/main/kotlin/xyz/fortern/forternhelper/Helper.kt

@@ -1,23 +1,37 @@
 package xyz.fortern.forternhelper
 
+import me.clip.placeholderapi.expansion.PlaceholderExpansion
 import net.kyori.adventure.platform.bukkit.BukkitAudiences
 import org.bukkit.Bukkit
 import org.bukkit.plugin.java.JavaPlugin
 import xyz.fortern.forternhelper.command.HelperCommand
 import xyz.fortern.forternhelper.listener.ForternListener
+import xyz.fortern.forternhelper.placeholder.ForternExpansion
 
 class Helper : JavaPlugin() {
     private lateinit var adventure: BukkitAudiences
 
+    private lateinit var expansion: PlaceholderExpansion
+
     override fun onEnable() {
         // Plugin startup logic
         this.adventure = BukkitAudiences.create(this)
         logger.info("Registering listeners...")
+        // register listeners
         Bukkit.getPluginManager().registerEvents(ForternListener(this), this)
+        // register commands
         Bukkit.getPluginCommand("helper")?.setExecutor(HelperCommand(this, adventure))
+        // register placeholder
+        expansion = ForternExpansion(this)
+        if (Bukkit.getPluginManager().isPluginEnabled("PlaceholderAPI")) {
+            expansion.register()
+        }
     }
 
     override fun onDisable() {
         // Plugin shutdown logic
+        if (Bukkit.getPluginManager().isPluginEnabled("PlaceholderAPI")) {
+            expansion.unregister()
+        }
     }
 }

src/main/kotlin/xyz/fortern/forternhelper/placeholder/ForternExpansion.kt

@@ -0,0 +1,55 @@
+package xyz.fortern.forternhelper.placeholder
+
+import me.clip.placeholderapi.expansion.PlaceholderExpansion
+import org.bukkit.Bukkit
+import org.bukkit.Chunk
+import org.bukkit.OfflinePlayer
+import org.bukkit.plugin.java.JavaPlugin
+
+
+class ForternExpansion(
+    val plugin: JavaPlugin
+) : PlaceholderExpansion() {
+    override fun getIdentifier(): String {
+        return plugin.description.name
+    }
+
+    override fun getAuthor(): String {
+        return plugin.description.authors.toString()
+    }
+
+    override fun getVersion(): String {
+        return plugin.description.version
+    }
+
+    override fun persist(): Boolean {
+        return true
+    }
+
+    override fun onRequest(player: OfflinePlayer, params: String): String? {
+        if (params.startsWith("peace_")) {
+            val split = params.split("_")
+            if (split.size == 4) {
+                val worldName = split[1]
+                val chunkX = split[2]
+                val chunkZ = split[3]
+                val world = Bukkit.getWorld(worldName)
+                if (world != null) {
+                    return try {
+                        val x = Integer.parseInt(chunkX)
+                        val z = Integer.parseInt(chunkZ)
+                        val loadLevel = world.getChunkAt(x, z).loadLevel
+                        if (loadLevel == Chunk.LoadLevel.TICKING || loadLevel == Chunk.LoadLevel.ENTITY_TICKING) {
+                            "true"
+                        } else {
+                            "false"
+                        }
+                    } catch (_: NumberFormatException) {
+                        null
+                    }
+                }
+            }
+        }
+        return null
+    }
+}

src/main/resources/plugin.yml

@@ -3,6 +3,7 @@ version: '${version}'
 authors: [ Fortern ]
 api-version: '26.1'
 main: xyz.fortern.forternhelper.Helper
+softdepend: ["PlaceholderAPI"]
 
 libraries:
   - org.jetbrains.kotlin:kotlin-stdlib:2.3.21