Tree generation stuff moved to specific package

src/java/mmm/materials/MWood.java

@@ -5,6 +5,7 @@ import java.util.Random;
 
 import mmm.utils.I_URecipeRegistrar;
 import mmm.utils.URegistry;
+import mmm.world.trees.A_MTreeGenerator;
 import net.minecraft.block.Block;
 import net.minecraft.block.material.MapColor;
 import net.minecraft.block.state.IBlockState;

src/java/mmm/materials/Materials.java

@@ -10,6 +10,7 @@ import mmm.world.WLocation;
 import mmm.world.WLocationInBiome;
 import mmm.world.gen.WGOreCondition;
 import mmm.world.gen.WGOreParameters;
+import mmm.world.trees.MHeveaGenerator;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockStone;
 import net.minecraft.block.material.MapColor;

src/java/mmm/world/trees/A_MTreeGenerator.java

@@ -1,8 +1,9 @@
-package mmm.materials;
+package mmm.world.trees;
 
 
 import java.util.Random;
 
+import mmm.materials.MWood;
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.block.state.IBlockState;
@@ -140,7 +141,7 @@ public abstract class A_MTreeGenerator
 	}
 
 
-	void setWood( final MWood wood )
+	public void setWood( final MWood wood )
 	{
 		this.wood = wood;
 	}

src/java/mmm/world/trees/MHeveaGenerator.java

@@ -1,8 +1,9 @@
-package mmm.materials;
+package mmm.world.trees;
 
 
 import java.util.Random;
 
+import mmm.materials.MLeaves;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.util.math.BlockPos;