src/main/java/StevenDimDoors/mod_pocketDim/DDProperties.java

@@ -5,6 +5,7 @@ import java.io.File;
 import net.minecraftforge.common.Configuration;
 import StevenDimDoors.mod_pocketDim.ticking.CustomLimboPopulator;
 import StevenDimDoors.mod_pocketDim.world.GatewayGenerator;
+import StevenDimDoors.mod_pocketDim.world.fortresses.DDStructureNetherBridgeStart;
 
 public class DDProperties
 {
@@ -104,6 +105,7 @@ public class DDProperties
 	public final int NonTntWeight;
 	public final int ClusterGenerationChance;
 	public final int GatewayGenerationChance;
+	public final int FortressGatewayGenerationChance;
 	public final int MonolithSpawningChance;
 	public final int LimboReturnRange;
 	public final String CustomSchematicDirectory;
@@ -217,6 +219,10 @@ public class DDProperties
 				"Sets the chance (out of " + GatewayGenerator.MAX_GATEWAY_GENERATION_CHANCE + ") that a Rift Gateway will " +
 				"generate in a given chunk. The default chance is 15.").getInt();
 
+		FortressGatewayGenerationChance = config.get(Configuration.CATEGORY_GENERAL, "Fortress Gateway Generation Chance", 33,
+				"Sets the chance (out of " + DDStructureNetherBridgeStart.MAX_GATEWAY_GENERATION_CHANCE + ") that a Rift Gateway will " +
+				"generate as part of a Nether Fortress. The default chance is 33.").getInt();
+
 		LimboBiomeID = config.get(CATEGORY_BIOME, "Limbo Biome ID", 251).getInt();
 		PocketBiomeID = config.get(CATEGORY_BIOME, "Pocket Biome ID", 250).getInt();
 

src/main/java/StevenDimDoors/mod_pocketDim/EventHookContainer.java

@@ -43,7 +43,10 @@ public class EventHookContainer
 	@ForgeSubscribe(priority = EventPriority.LOW)
 	public void onMapGen(InitMapGenEvent event)
 	{
-		if (event.type == InitMapGenEvent.EventType.NETHER_BRIDGE)
+		// Replace the Nether fortress generator with our own only if any gateways would ever generate.
+		// This allows admins to disable our fortress overriding without disabling all gateways.
+		if (properties.FortressGatewayGenerationChance > 0 && properties.WorldRiftGenerationEnabled &&
+				event.type == InitMapGenEvent.EventType.NETHER_BRIDGE)
 		{
 			event.newGen = new DDNetherFortressGenerator();
 		}

src/main/java/StevenDimDoors/mod_pocketDim/world/fortresses/DDNetherFortressGenerator.java

@@ -1,5 +1,6 @@
 package StevenDimDoors.mod_pocketDim.world.fortresses;
 
+import StevenDimDoors.mod_pocketDim.DDProperties;
 import net.minecraft.world.gen.structure.MapGenNetherBridge;
 import net.minecraft.world.gen.structure.MapGenStructureIO;
 import net.minecraft.world.gen.structure.StructureStart;
@@ -19,6 +20,6 @@ public class DDNetherFortressGenerator extends MapGenNetherBridge
 
     protected StructureStart getStructureStart(int chunkX, int chunkZ)
     {
-        return new DDStructureNetherBridgeStart(this.worldObj, this.rand, chunkX, chunkZ);
+        return new DDStructureNetherBridgeStart(this.worldObj, this.rand, chunkX, chunkZ, DDProperties.instance());
     }
 }

src/main/java/StevenDimDoors/mod_pocketDim/world/fortresses/DDStructureNetherBridgeStart.java

@@ -6,16 +6,15 @@ import java.util.Random;
 
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.world.World;
-import net.minecraft.world.gen.structure.ComponentNetherBridgeCrossing;
 import net.minecraft.world.gen.structure.ComponentNetherBridgeThrone;
 import net.minecraft.world.gen.structure.StructureBoundingBox;
 import net.minecraft.world.gen.structure.StructureComponent;
 import net.minecraft.world.gen.structure.StructureNetherBridgeStart;
+import StevenDimDoors.mod_pocketDim.DDProperties;
 
 public class DDStructureNetherBridgeStart extends StructureNetherBridgeStart
 {
-	private static int GATEWAY_GENERATION_CHANCE = 1;
+	public static final int MAX_GATEWAY_GENERATION_CHANCE = 100;
-	private static int MAX_GATEWAY_GENERATION_CHANCE = 3;
 	
 	private boolean hasGateway;
 	private int minX;
@@ -24,7 +23,7 @@ public class DDStructureNetherBridgeStart extends StructureNetherBridgeStart
 	
 	public DDStructureNetherBridgeStart() { }
 	
-	public DDStructureNetherBridgeStart(World world, Random random, int chunkX, int chunkZ)
+	public DDStructureNetherBridgeStart(World world, Random random, int chunkX, int chunkZ, DDProperties properties)
     {
 		// StructureNetherBridgeStart handles designing the fortress for us
     	super(world, random, chunkX, chunkZ);
@@ -36,7 +35,7 @@ public class DDStructureNetherBridgeStart extends StructureNetherBridgeStart
     	hasGateway = false;
     	
     	// Randomly decide whether to build a gateway in this fortress
-    	if (random.nextInt(MAX_GATEWAY_GENERATION_CHANCE) < GATEWAY_GENERATION_CHANCE)
+    	if (random.nextInt(MAX_GATEWAY_GENERATION_CHANCE) < properties.FortressGatewayGenerationChance)
     	{
     		// Search for all the blaze spawners in a fortress
     		spawnerRooms = new ArrayList<ComponentNetherBridgeThrone>();