Flourless

src/main/java/vazkii/botania/api/item/IFlowerlessBiome.java

@@ -0,0 +1,22 @@
+/**
+* This class was created by <SpitefulFox>. It's distributed as
+* part of the Botania Mod. Get the Source Code in github:
+* https://github.com/Vazkii/Botania
+*
+* Botania is Open Source and distributed under a
+* Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License
+* (http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_GB)
+*
+* File Created @ [? (GMT)]
+*/
+package vazkii.botania.api.item;
+import net.minecraft.world.World;
+/**
+* A BiomeGenBase that implements this will not have Botania flowers generated.
+*/
+public interface IFlowerlessBiome {
+	/**
+	* @return Should this world be allowed to generate flowers?
+	*/
+	public boolean generateFlowers(World world, int x, int z);
+}

src/main/java/vazkii/botania/common/core/handler/BiomeDecorationHandler.java

@@ -14,6 +14,7 @@ package vazkii.botania.common.core.handler;
 import net.minecraftforge.event.terraingen.DecorateBiomeEvent;
 import net.minecraftforge.event.terraingen.DecorateBiomeEvent.Decorate.EventType;
 import vazkii.botania.api.item.IFlowerlessWorld;
+import vazkii.botania.api.item.IFlowerlessBiome;
 import vazkii.botania.common.block.ModBlocks;
 import cpw.mods.fml.common.eventhandler.Event.Result;
 import cpw.mods.fml.common.eventhandler.EventPriority;
@@ -27,6 +28,8 @@ public class BiomeDecorationHandler {
 			boolean flowers = true;
 			if(event.world.provider instanceof IFlowerlessWorld)
 				flowers = ((IFlowerlessWorld) event.world.provider).generateFlowers(event.world);
+			else if(event.world.getBiomeGenForCoords(event.chunkX, event.chunkZ) instanceof IFlowerlessBiome)
+				flowers = ((IFlowerlessBiome)event.world.getBiomeGenForCoords(event.chunkX, event.chunkZ)).generateFlowers(event.world, event.chunkX, event.chunkZ);
 
 			if(!flowers)
 				return;