net.minecraft.server.WorldGenPackedIce2 Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of walk-server Show documentation
A spigot fork to kotlin structure and news.
There is a newer version: 2.4.0
package net.minecraft.server;

import java.util.Random;

public class WorldGenPackedIce2 extends WorldGenerator {

  public WorldGenPackedIce2() {
  }

  public boolean generate(World world, Random random, BlockPosition blockposition) {
    while (world.isEmpty(blockposition) && blockposition.getY() > 2) {
      blockposition = blockposition.down();
    }

    if (world.getType(blockposition).getBlock() != Blocks.SNOW) {
      return false;
    } else {
      blockposition = blockposition.up(random.nextInt(4));
      int i = random.nextInt(4) + 7;
      int j = i / 4 + random.nextInt(2);

      if (j > 1 && random.nextInt(60) == 0) {
        blockposition = blockposition.up(10 + random.nextInt(30));
      }

      int k;
      int l;

      for (k = 0; k < i; ++k) {
        float f = (1.0F - (float) k / (float) i) * (float) j;

        l = MathHelper.f(f);

        for (int i1 = -l; i1 <= l; ++i1) {
          float f1 = (float) MathHelper.a(i1) - 0.25F;

          for (int j1 = -l; j1 <= l; ++j1) {
            float f2 = (float) MathHelper.a(j1) - 0.25F;

            if ((i1 == 0 && j1 == 0 || f1 * f1 + f2 * f2 <= f * f) && (i1 != -l && i1 != l && j1 != -l && j1 != l || random.nextFloat() <= 0.75F)) {
              Block block = world.getType(blockposition.a(i1, k, j1)).getBlock();

              if (block.getMaterial() == Material.AIR || block == Blocks.DIRT || block == Blocks.SNOW || block == Blocks.ICE) {
                world.setTypeUpdate(blockposition.a(i1, k, j1), Blocks.PACKED_ICE.getBlockData()); // Spigot
              }

              if (k != 0 && l > 1) {
                block = world.getType(blockposition.a(i1, -k, j1)).getBlock();
                if (block.getMaterial() == Material.AIR || block == Blocks.DIRT || block == Blocks.SNOW || block == Blocks.ICE) {
                  world.setTypeUpdate(blockposition.a(i1, -k, j1), Blocks.PACKED_ICE.getBlockData()); // Spigot
                }
              }
            }
          }
        }
      }

      k = j - 1;
      if (k < 0) {
        k = 0;
      } else if (k > 1) {
        k = 1;
      }

      for (int k1 = -k; k1 <= k; ++k1) {
        l = -k;

        while (l <= k) {
          BlockPosition blockposition1 = blockposition.a(k1, -1, l);
          int l1 = 50;

          if (Math.abs(k1) == 1 && Math.abs(l) == 1) {
            l1 = random.nextInt(5);
          }

          while (true) {
            if (blockposition1.getY() > 50) {
              Block block1 = world.getType(blockposition1).getBlock();

              if (block1.getMaterial() == Material.AIR || block1 == Blocks.DIRT || block1 == Blocks.SNOW || block1 == Blocks.ICE || block1 == Blocks.PACKED_ICE) {
                world.setTypeUpdate(blockposition1, Blocks.PACKED_ICE.getBlockData()); // Spigot
                blockposition1 = blockposition1.down();
                --l1;
                if (l1 <= 0) {
                  blockposition1 = blockposition1.down(random.nextInt(5) + 1);
                  l1 = random.nextInt(5);
                }
                continue;
              }
            }

            ++l;
            break;
          }
        }
      }

      return true;
    }
  }
}