net.minecraft.server.WorldGenGroundBush Maven / Gradle / Ivy

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package net.minecraft.server;

import java.util.Random;

public class WorldGenGroundBush extends WorldGenTrees {

  private final IBlockData a;
  private final IBlockData b;

  public WorldGenGroundBush(IBlockData iblockdata, IBlockData iblockdata1) {
    super(false);
    this.b = iblockdata;
    this.a = iblockdata1;
  }

  public boolean generate(World world, Random random, BlockPosition blockposition) {
    Block block;

    while (((block = world.getType(blockposition).getBlock()).getMaterial() == Material.AIR || block.getMaterial() == Material.LEAVES) && blockposition.getY() > 0) {
      blockposition = blockposition.down();
    }

    Block block1 = world.getType(blockposition).getBlock();

    if (block1 == Blocks.DIRT || block1 == Blocks.GRASS) {
      blockposition = blockposition.up();
      this.a(world, blockposition, this.b);

      for (int i = blockposition.getY(); i <= blockposition.getY() + 2; ++i) {
        int j = i - blockposition.getY();
        int k = 2 - j;

        for (int l = blockposition.getX() - k; l <= blockposition.getX() + k; ++l) {
          int i1 = l - blockposition.getX();

          for (int j1 = blockposition.getZ() - k; j1 <= blockposition.getZ() + k; ++j1) {
            int k1 = j1 - blockposition.getZ();

            if (Math.abs(i1) != k || Math.abs(k1) != k || random.nextInt(2) != 0) {
              BlockPosition blockposition1 = new BlockPosition(l, i, j1);

              if (!world.getType(blockposition1).getBlock().o()) {
                this.a(world, blockposition1, this.a);
              }
            }
          }
        }
      }
      // CraftBukkit start - Return false if gen was unsuccessful
    } else {
      return false;
    }
    // CraftBukkit end


    return true;
  }
}