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

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package net.minecraft.server;

import java.util.Random;

public abstract class WorldGenMegaTreeAbstract extends WorldGenTreeAbstract {

  protected final int a;
  protected final IBlockData b;
  protected final IBlockData c;
  protected int d;

  public WorldGenMegaTreeAbstract(boolean flag, int i, int j, IBlockData iblockdata, IBlockData iblockdata1) {
    super(flag);
    this.a = i;
    this.d = j;
    this.b = iblockdata;
    this.c = iblockdata1;
  }

  protected int a(Random random) {
    int i = random.nextInt(3) + this.a;

    if (this.d > 1) {
      i += random.nextInt(this.d);
    }

    return i;
  }

  private boolean c(World world, BlockPosition blockposition, int i) {
    boolean flag = true;

    if (blockposition.getY() >= 1 && blockposition.getY() + i + 1 <= 256) {
      for (int j = 0; j <= 1 + i; ++j) {
        byte b0 = 2;

        if (j == 0) {
          b0 = 1;
        } else if (j >= 1 + i - 2) {
          b0 = 2;
        }

        for (int k = -b0; k <= b0 && flag; ++k) {
          for (int l = -b0; l <= b0 && flag; ++l) {
            if (blockposition.getY() + j < 0 || blockposition.getY() + j >= 256 || (!this.a(world.getType(blockposition.a(k, j, l)).getBlock()) && world.getType(blockposition.a(k, j, l)).getBlock() != Blocks.SAPLING)) { // CraftBukkit - ignore our own saplings
              flag = false;
            }
          }
        }
      }

      return flag;
    } else {
      return false;
    }
  }

  private boolean a(BlockPosition blockposition, World world) {
    BlockPosition blockposition1 = blockposition.down();
    Block block = world.getType(blockposition1).getBlock();

    if ((block == Blocks.GRASS || block == Blocks.DIRT) && blockposition.getY() >= 2) {
      this.a(world, blockposition1);
      this.a(world, blockposition1.east());
      this.a(world, blockposition1.south());
      this.a(world, blockposition1.south().east());
      return true;
    } else {
      return false;
    }
  }

  protected boolean a(World world, Random random, BlockPosition blockposition, int i) {
    return this.c(world, blockposition, i) && this.a(blockposition, world);
  }

  protected void a(World world, BlockPosition blockposition, int i) {
    int j = i * i;

    for (int k = -i; k <= i + 1; ++k) {
      for (int l = -i; l <= i + 1; ++l) {
        int i1 = k - 1;
        int j1 = l - 1;

        if (k * k + l * l <= j || i1 * i1 + j1 * j1 <= j || k * k + j1 * j1 <= j || i1 * i1 + l * l <= j) {
          BlockPosition blockposition1 = blockposition.a(k, 0, l);
          Material material = world.getType(blockposition1).getBlock().getMaterial();

          if (material == Material.AIR || material == Material.LEAVES) {
            this.a(world, blockposition1, this.c);
          }
        }
      }
    }

  }

  protected void b(World world, BlockPosition blockposition, int i) {
    int j = i * i;

    for (int k = -i; k <= i; ++k) {
      for (int l = -i; l <= i; ++l) {
        if (k * k + l * l <= j) {
          BlockPosition blockposition1 = blockposition.a(k, 0, l);
          Material material = world.getType(blockposition1).getBlock().getMaterial();

          if (material == Material.AIR || material == Material.LEAVES) {
            this.a(world, blockposition1, this.c);
          }
        }
      }
    }

  }
}