WorldGenBigGlowShroom.java

package minestrapteam.mods.minestrappolation.world;

import minestrapteam.mods.minestrappolation.block.BlockHugeGlowShroom;
import minestrapteam.mods.minestrappolation.lib.MBlocks;
import net.minecraft.block.Block;
import net.minecraft.init.Blocks;
import net.minecraft.util.BlockPos;
import net.minecraft.world.World;
import net.minecraft.world.gen.feature.WorldGenerator;

import java.util.Random;

public class WorldGenBigGlowShroom extends WorldGenerator
{
	/**
	 * The mushroom type. 0 for brown, 1 for red.
	 */
	private Block mushroomType;

	public WorldGenBigGlowShroom(Block p_i46449_1_)
	{
		super(true);
		this.mushroomType = p_i46449_1_;
	}

	public WorldGenBigGlowShroom()
	{
		super(false);
	}

	@Override
	public boolean generate(World worldIn, Random rand, BlockPos position)
	{
		if (this.mushroomType == null)
		{
			this.mushroomType = rand.nextBoolean() ? MBlocks.green_glowshroom : MBlocks.purple_glowshroom;
		}

		int i = rand.nextInt(3) + 4;
		boolean flag = true;

		if (position.getY() >= 1 && position.getY() + i + 1 < 256)
		{
			for (int j = position.getY(); j <= position.getY() + 1 + i; ++j)
			{
				int k = 3;

				if (j <= position.getY() + 3)
				{
					k = 0;
				}

				BlockPos.MutableBlockPos blockpos$mutableblockpos = new BlockPos.MutableBlockPos();

				for (int l = position.getX() - k; l <= position.getX() + k && flag; ++l)
				{
					for (int i1 = position.getZ() - k; i1 <= position.getZ() + k && flag; ++i1)
					{
						if (j >= 0 && j < 256)
						{
							Block block = worldIn.getBlockState(blockpos$mutableblockpos.set(l, j, i1)).getBlock();

							if (!block.isAir(worldIn, blockpos$mutableblockpos) && !block.isLeaves(worldIn,
							                                                                       blockpos$mutableblockpos))
							{
								flag = false;
							}
						}
						else
						{
							flag = false;
						}
					}
				}
			}

			if (!flag)
			{
				return false;
			}
			else
			{
				Block block1 = worldIn.getBlockState(position.down()).getBlock();

				if (block1 != Blocks.netherrack && block1 != Blocks.soul_sand)
				{
					return false;
				}
				else
				{
					int k2 = position.getY() + i;

					if (this.mushroomType == MBlocks.purple_glowshroom)
					{
						k2 = position.getY() + i - 3;
					}

					for (int l2 = k2; l2 <= position.getY() + i; ++l2)
					{
						int j3 = 1;

						if (l2 < position.getY() + i)
						{
							++j3;
						}

						if (this.mushroomType == MBlocks.green_glowshroom)
						{
							j3 = 3;
						}

						int k3 = position.getX() - j3;
						int l3 = position.getX() + j3;
						int j1 = position.getZ() - j3;
						int k1 = position.getZ() + j3;

						for (int l1 = k3; l1 <= l3; ++l1)
						{
							for (int i2 = j1; i2 <= k1; ++i2)
							{
								int j2 = 5;

								if (l1 == k3)
								{
									--j2;
								}
								else if (l1 == l3)
								{
									++j2;
								}

								if (i2 == j1)
								{
									j2 -= 3;
								}
								else if (i2 == k1)
								{
									j2 += 3;
								}

								BlockHugeGlowShroom.EnumType BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType
									                                                            .byMetadata(j2);

								if (this.mushroomType == MBlocks.green_glowshroom || l2 < position.getY() + i)
								{
									if ((l1 == k3 || l1 == l3) && (i2 == j1 || i2 == k1))
									{
										continue;
									}

									if (l1 == position.getX() - (j3 - 1) && i2 == j1)
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.NORTH_WEST;
									}

									if (l1 == k3 && i2 == position.getZ() - (j3 - 1))
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.NORTH_WEST;
									}

									if (l1 == position.getX() + (j3 - 1) && i2 == j1)
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.NORTH_EAST;
									}

									if (l1 == l3 && i2 == position.getZ() - (j3 - 1))
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.NORTH_EAST;
									}

									if (l1 == position.getX() - (j3 - 1) && i2 == k1)
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.SOUTH_WEST;
									}

									if (l1 == k3 && i2 == position.getZ() + (j3 - 1))
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.SOUTH_WEST;
									}

									if (l1 == position.getX() + (j3 - 1) && i2 == k1)
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.SOUTH_EAST;
									}

									if (l1 == l3 && i2 == position.getZ() + (j3 - 1))
									{
										BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.SOUTH_EAST;
									}
								}

								if (BlockHugeGlowShroom$enumtype == BlockHugeGlowShroom.EnumType.CENTER
									    && l2 < position.getY() + i)
								{
									BlockHugeGlowShroom$enumtype = BlockHugeGlowShroom.EnumType.ALL_INSIDE;
								}

								if (position.getY() >= position.getY() + i - 1
									    || BlockHugeGlowShroom$enumtype != BlockHugeGlowShroom.EnumType.ALL_INSIDE)
								{
									BlockPos blockpos = new BlockPos(l1, l2, i2);

									if (worldIn.getBlockState(blockpos).getBlock()
									           .canBeReplacedByLeaves(worldIn, blockpos))
									{
										this.setBlockAndNotifyAdequately(worldIn, blockpos,
										                                 this.mushroomType.getDefaultState()
										                                                  .withProperty(
											                                                  BlockHugeGlowShroom.VARIANT,
											                                                  BlockHugeGlowShroom$enumtype));
									}
								}
							}
						}
					}

					for (int i3 = 0; i3 < i; ++i3)
					{
						BlockPos upN = position.up(i3);
						net.minecraft.block.state.IBlockState state = worldIn.getBlockState(upN);

						if (state.getBlock().canBeReplacedByLeaves(worldIn, upN))
						{
							this.setBlockAndNotifyAdequately(worldIn, position.up(i3),
							                                 this.mushroomType.getDefaultState()
							                                                  .withProperty(BlockHugeGlowShroom.VARIANT,
							                                                                BlockHugeGlowShroom.EnumType.STEM));
						}
					}

					return true;
				}
			}
		}
		else
		{
			return false;
		}
	}
}