Bumped version to 1.2.2

Nether Growth can now be silk touched.
Nether Growth will now switch back to netherrack if an opaque block is on top of it.
Nether Growth now permits nether wart and saplings to grow on it.
Nether Growth will now grow under non-opaque blocks.

build.properties

@@ -1,4 +1,4 @@
-mod_version=1.2.1
+mod_version=1.2.2
 minecraft_version=1.8.9
 forge_version=11.15.1.1761
 mappings=stable_20

src/main/java/com/renevo/nethercore/blocks/BlockNetherGrass.java

@@ -2,18 +2,20 @@
 
 import com.renevo.nethercore.NetherCoreRegistry;
 import net.minecraft.block.Block;
+import net.minecraft.block.BlockBush;
 import net.minecraft.block.material.Material;
 import net.minecraft.block.properties.PropertyBool;
 import net.minecraft.block.state.BlockState;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.EntityLiving;
-import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.init.Blocks;
 import net.minecraft.item.Item;
 import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.EnumWorldBlockLayer;
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
+import net.minecraftforge.common.IPlantable;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 
@@ -36,18 +38,39 @@ public BlockNetherGrass() {
         this.setCreativeTab(NetherCoreRegistry.tabNetherCore);
     }
 
+    public boolean canSustainPlant(IBlockAccess blockAccess, BlockPos blockPos, EnumFacing facing, IPlantable iPlant) {
+        IBlockState plant = iPlant.getPlant(blockAccess, blockPos.offset(facing));
+
+        if (plant.getBlock() == Blocks.nether_wart) {
+            return true;
+        }
+
+        if (plant.getBlock() instanceof BlockBush) {
+            return true;
+        }
+
+        return super.canSustainPlant(blockAccess, blockPos, facing, iPlant);
+    }
+
     public void updateTick(World world, BlockPos blockPos, IBlockState blockState, Random random) {
         if (!world.isRemote) {
             if (world.provider.doesWaterVaporize()) {
                 int rate = blockState.getValue(BURNING) ? 12 : 4;
+                Block blockUp = world.getBlockState(blockPos.up()).getBlock();
+                if (blockUp.isOpaqueCube()) {
+                    world.setBlockState(blockPos, Blocks.netherrack.getDefaultState());
+                    return;
+                }
 
                 for (int i = 0; i < rate; ++i) {
                     BlockPos blockpos = blockPos.add(random.nextInt(3) - 1, random.nextInt(5) - 3, random.nextInt(3) - 1);
                     Block blockOnTop = world.getBlockState(blockpos.up()).getBlock();
                     IBlockState iblockstate = world.getBlockState(blockpos);
-                    if (iblockstate.getBlock() == Blocks.netherrack && blockOnTop.isAir(world, blockpos.up())) {
+                    if (iblockstate.getBlock() == Blocks.netherrack && !blockOnTop.isOpaqueCube()) {
                         world.setBlockState(blockpos, NetherCoreBlocks.blockNetherGrass.getDefaultState());
-                        world.setBlockState(blockpos.up(), Blocks.fire.getDefaultState());
+                        if (blockOnTop.isAir(world, blockpos.up())) {
+                            world.setBlockState(blockpos.up(), Blocks.fire.getDefaultState());
+                        }
                     }
                 }
             }
@@ -63,10 +86,6 @@ public Item getItemDropped(IBlockState blockState, Random random, int meta) {
         return Blocks.netherrack.getItemDropped(Blocks.netherrack.getDefaultState(), random, meta);
     }
 
-    public boolean canSilkHarvest(World world, BlockPos blockPos, IBlockState blockState, EntityPlayer entityPlayer) {
-        return false;
-    }
-
     public boolean canCreatureSpawn(IBlockAccess blockAccess, BlockPos blockPos, EntityLiving.SpawnPlacementType spawnPlacementType) {
         return false;
     }

update.json

@@ -1,10 +1,10 @@
 {
   "homepage": "https://github.com/RenEvo/nethercore/releases",
   "promos": {
-    "1.8.9-latest": "1.2.1",
+    "1.8.9-latest": "1.2.2",
     "1.8.9-recommended": "1.1.0",
-    "latest": "1.2.1",
-    "recommended": "1.2.1"
+    "latest": "1.2.2",
+    "recommended": "1.2.2"
   },
   "1.8.9": {
     "1.0.0": "Initial Release",
@@ -13,6 +13,7 @@
     "1.0.3": "Added compressed Netherrack\nUpdated textures to no longer be overlays.",
     "1.1.0": "Added Tinkers Construct Integration for Nether Ores",
     "1.2.0": "Added in Nether Stone, Nether Spores, and Configurations",
-    "1.2.1": "Miscellaneous Bug Fixes"
+    "1.2.1": "Miscellaneous Bug Fixes",
+    "1.2.2": "Nether Growth Tweaks"
   }
 }