BlockMycel.java

package net.minecraft.server;

import java.util.Random;

// CraftBukkit start
import org.bukkit.block.BlockState;
import org.bukkit.craftbukkit.util.CraftMagicNumbers;
import org.bukkit.event.block.BlockFadeEvent;
import org.bukkit.event.block.BlockSpreadEvent;
// CraftBukkit end

public class BlockMycel extends Block {

    public static final BlockStateBoolean SNOWY = BlockStateBoolean.of("snowy");

    protected BlockMycel() {
        super(Material.GRASS, MaterialMapColor.z);
        this.y(this.blockStateList.getBlockData().set(BlockMycel.SNOWY, Boolean.valueOf(false)));
        this.a(true);
        this.a(CreativeModeTab.b);
    }

    public IBlockData updateState(IBlockData iblockdata, IBlockAccess iblockaccess, BlockPosition blockposition) {
        Block block = iblockaccess.getType(blockposition.up()).getBlock();

        return iblockdata.set(BlockMycel.SNOWY, Boolean.valueOf(block == Blocks.SNOW || block == Blocks.SNOW_LAYER));
    }

    public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
        if (!world.isClientSide) {
            if (world.getLightLevel(blockposition.up()) < 4 && world.getType(blockposition.up()).c() > 2) {
                // CraftBukkit start
                // world.setTypeUpdate(blockposition, Blocks.DIRT.getBlockData().set(BlockDirt.VARIANT, BlockDirt.EnumDirtVariant.DIRT));
                org.bukkit.World bworld = world.getWorld();
                BlockState blockState = bworld.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()).getState();
                blockState.setType(CraftMagicNumbers.getMaterial(Blocks.DIRT));

                BlockFadeEvent event = new BlockFadeEvent(blockState.getBlock(), blockState);
                world.getServer().getPluginManager().callEvent(event);

                if (!event.isCancelled()) {
                    blockState.update(true);
                }
                // CraftBukkit end
            } else {
                if (world.getLightLevel(blockposition.up()) >= 9) {
                    for (int i = 0; i < 4; ++i) {
                        BlockPosition blockposition1 = blockposition.a(random.nextInt(3) - 1, random.nextInt(5) - 3, random.nextInt(3) - 1);
                        IBlockData iblockdata1 = world.getType(blockposition1);
                        IBlockData iblockdata2 = world.getType(blockposition1.up());

                        if (iblockdata1.getBlock() == Blocks.DIRT && iblockdata1.get(BlockDirt.VARIANT) == BlockDirt.EnumDirtVariant.DIRT && world.getLightLevel(blockposition1.up()) >= 4 && iblockdata2.c() <= 2) {
                            // CraftBukkit start
                            // world.setTypeUpdate(blockposition1, this.getBlockData());
                            org.bukkit.World bworld = world.getWorld();
                            BlockState blockState = bworld.getBlockAt(blockposition1.getX(), blockposition1.getY(), blockposition1.getZ()).getState();
                            blockState.setType(CraftMagicNumbers.getMaterial(this));

                            BlockSpreadEvent event = new BlockSpreadEvent(blockState.getBlock(), bworld.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), blockState);
                            world.getServer().getPluginManager().callEvent(event);

                            if (!event.isCancelled()) {
                                blockState.update(true);
                            }
                            // CraftBukkit end
                        }
                    }
                }

            }
        }
    }

    public Item getDropType(IBlockData iblockdata, Random random, int i) {
        return Blocks.DIRT.getDropType(Blocks.DIRT.getBlockData().set(BlockDirt.VARIANT, BlockDirt.EnumDirtVariant.DIRT), random, i);
    }

    public int toLegacyData(IBlockData iblockdata) {
        return 0;
    }

    protected BlockStateList getStateList() {
        return new BlockStateList(this, new IBlockState[] { BlockMycel.SNOWY});
    }
}