support for Guilds

pom.xml

@@ -223,6 +223,13 @@
 			<scope>provided</scope>
 		</dependency>
 
+		<dependency>
+			<groupId>me.glaremasters</groupId>
+			<artifactId>Guilds</artifactId>
+			<version>3.5.6.0</version>
+			<scope>provided</scope>
+		</dependency>
+
 		<!-- Quest plugins -->
 
 	</dependencies>

src/main/java/net/Indyuce/mmocore/guild/GuildModule.java

@@ -1,8 +1,10 @@
 package net.Indyuce.mmocore.guild;
 
 import net.Indyuce.mmocore.api.player.PlayerData;
+import org.jetbrains.annotations.Nullable;
 
 public interface GuildModule {
 
+    @Nullable
     public AbstractGuild getGuild(PlayerData playerData);
 }

src/main/java/net/Indyuce/mmocore/guild/compat/FactionsGuildModule.java

@@ -12,7 +12,7 @@ public class FactionsGuildModule implements GuildModule {
     @Override
     public AbstractGuild getGuild(PlayerData playerData) {
         FPlayer fPlayer = FPlayers.getInstance().getByPlayer(playerData.getPlayer());
-        return new CustomGuild(fPlayer.getFaction());
+        return fPlayer.hasFaction() ? new CustomGuild(fPlayer.getFaction()) : null;
     }
 
     class CustomGuild implements AbstractGuild {

src/main/java/net/Indyuce/mmocore/guild/compat/GuildsGuildModule.java

@@ -0,0 +1,24 @@
+package net.Indyuce.mmocore.guild.compat;
+
+import me.glaremasters.guilds.Guilds;
+import me.glaremasters.guilds.guild.Guild;
+import net.Indyuce.mmocore.api.player.PlayerData;
+import net.Indyuce.mmocore.guild.AbstractGuild;
+import net.Indyuce.mmocore.guild.GuildModule;
+
+public class GuildsGuildModule implements GuildModule {
+
+    @Override
+    public AbstractGuild getGuild(PlayerData playerData) {
+        Guild guild = Guilds.getApi().getGuild(playerData.getUniqueId());
+        return guild == null ? null : new CustomGuild(guild);
+    }
+
+    class CustomGuild implements AbstractGuild {
+        private final Guild guild;
+
+        CustomGuild(Guild guild) {
+            this.guild = guild;
+        }
+    }
+}