Add compatibility with CustomMobSpawner mod.

src/main/java/lumien/bloodmoon/Bloodmoon.java

@@ -1,5 +1,7 @@
 package lumien.bloodmoon;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import lumien.bloodmoon.config.BloodmoonConfig;
 import lumien.bloodmoon.lib.Reference;
 import lumien.bloodmoon.proxy.CommonProxy;
@@ -25,6 +27,8 @@ public class Bloodmoon
 	@SidedProxy(clientSide = "lumien.bloodmoon.proxy.ClientProxy", serverSide = "lumien.bloodmoon.proxy.CommonProxy")
 	public static CommonProxy proxy;
 	public static BloodmoonConfig config;
+
+	public static final Logger LOGGER = LogManager.getLogger(Reference.MOD_ID);
 
 	@EventHandler
 	public void preInit(FMLPreInitializationEvent event)

src/main/java/lumien/bloodmoon/lib/ModIntegration.java

@@ -0,0 +1,30 @@
+package lumien.bloodmoon.lib;
+
+import net.minecraftforge.fml.common.Loader;
+
+public class ModIntegration {
+
+	   public static enum Mods {
+	      CMS("customspawner", "DrZhark's CustomSpawner");
+
+	      private final String modid;
+	      private final String name;
+
+	      private Mods(String modidIn, String nameIn) {
+	         this.modid = modidIn;
+	         this.name = nameIn;
+	      }
+
+	      public String getId() {
+	         return this.modid;
+	      }
+
+	      public String getName() {
+	         return this.name;
+	      }
+
+	      public boolean isLoaded() {
+	         return Loader.isModLoaded(this.getId());
+	      }
+	   }
+	}

src/main/java/lumien/bloodmoon/server/BloodmoonHandler.java

@@ -1,6 +1,7 @@
 package lumien.bloodmoon.server;
 
 import lumien.bloodmoon.config.BloodmoonConfig;
+import lumien.bloodmoon.lib.ModIntegration;
 import lumien.bloodmoon.network.PacketHandler;
 import lumien.bloodmoon.network.messages.MessageBloodmoonStatus;
 import net.minecraft.entity.player.EntityPlayer;
@@ -20,7 +21,7 @@ public class BloodmoonHandler extends WorldSavedData
 {
 	public static BloodmoonHandler INSTANCE;
 
-	private BloodmoonSpawner bloodMoonSpawner;
+	private IBloodmoonSpawner bloodMoonSpawner;
 
 	boolean bloodMoon;
 	boolean forceBloodMoon;
@@ -30,15 +31,21 @@ public class BloodmoonHandler extends WorldSavedData
 	public BloodmoonHandler()
 	{
 		super("Bloodmoon");
-		bloodMoonSpawner = new BloodmoonSpawner();
+		if(ModIntegration.Mods.CMS.isLoaded())
+			bloodMoonSpawner = new BloodmoonSpawnerCMS();
+		else
+			bloodMoonSpawner = new BloodmoonSpawner();
 		bloodMoon = false;
 		forceBloodMoon = false;
 	}
 
 	public BloodmoonHandler(String name)
 	{
 		super("Bloodmoon");
-		bloodMoonSpawner = new BloodmoonSpawner();
+		if(ModIntegration.Mods.CMS.isLoaded())
+			bloodMoonSpawner = new BloodmoonSpawnerCMS();
+		else
+			bloodMoonSpawner = new BloodmoonSpawner();
 		bloodMoon = false;
 		forceBloodMoon = false;
 	}