Initial PlaceholderAPI support

build.gradle

@@ -20,11 +20,15 @@ repositories {
         name = "sonatype"
         url = "https://oss.sonatype.org/content/groups/public/"
     }
+    maven {
+        url = "https://repo.extendedclip.com/releases/"
+    }
 }
 
 dependencies {
     //compileOnly("io.papermc.paper:paper-api:1.21.1-R0.1-SNAPSHOT")
     paperweight.paperDevBundle("1.21.1-R0.1-SNAPSHOT")
+    compileOnly 'me.clip:placeholderapi:2.11.6'
 }
 
 def targetJavaVersion = 21

src/main/java/de/t14d3/zones/Zones.java

@@ -1,5 +1,6 @@
 package de.t14d3.zones;
 
+import de.t14d3.zones.integrations.PlaceholderAPI;
 import de.t14d3.zones.listeners.CommandListener;
 import de.t14d3.zones.listeners.PlayerInteractListener;
 import de.t14d3.zones.listeners.PlayerQuitListener;
@@ -91,6 +92,11 @@ public void onEnable() {
                 getLogger().info("Zones have been saved.");
             }, 20L, getConfig().getInt("zone-saving.period", 60) * 20L);
         }
+        // PlaceholderAPI integration
+        if (getServer().getPluginManager().isPluginEnabled("PlaceholderAPI")) {
+            new PlaceholderAPI(this).register();
+            getLogger().info("PlaceholderAPI hooked!");
+        }
 
         getLogger().info("Zones plugin has been enabled! Loaded " + regionManager.loadedRegions.size() + " regions.");
     }

src/main/java/de/t14d3/zones/integrations/PlaceholderAPI.java

@@ -0,0 +1,46 @@
+package de.t14d3.zones.integrations;
+
+import de.t14d3.zones.Zones;
+import me.clip.placeholderapi.expansion.PlaceholderExpansion;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+public class PlaceholderAPI extends PlaceholderExpansion {
+    private final Zones plugin;
+
+    public PlaceholderAPI(Zones plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    @NotNull
+    public String getAuthor() {
+        return "T14D3";
+    }
+
+    @Override
+    @NotNull
+    public String getIdentifier() {
+        return "zones";
+    }
+
+    @Override
+    @NotNull
+    public String getVersion() {
+        return plugin.getPluginMeta().getVersion();
+    }
+
+    @Override
+    public boolean persist() {
+        return true;
+    }
+
+    @Override
+    public String onPlaceholderRequest(Player player, @NotNull String params) {
+        if (params.equalsIgnoreCase("get_here")) {
+            return plugin.getRegionManager().getRegionsAtAsync(player.getLocation()).join().get(0).getName();
+        }
+
+        return null;
+    }
+}

src/main/resources/plugin.yml

@@ -2,6 +2,7 @@ name: Zones
 version: '${version}'
 main: de.t14d3.zones.Zones
 api-version: '1.21'
+softdepend: [ "PlaceholderAPI" ]
 commands:
   zone:
     description: Main Command