cn.nukkit.level.generator.Normal Java Examples

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Example #1
Source File: PopulatorGroundCover.java    From Nukkit with GNU General Public License v3.0 4 votes vote down vote up 
@Override
public void populate(ChunkManager level, int chunkX, int chunkZ, NukkitRandom random, FullChunk chunk) {
    int realX = chunkX << 4;
    int realZ = chunkZ << 4;
    for (int x = 0; x < 16; ++x) {
        for (int z = 0; z < 16; ++z) {
            Biome realBiome = EnumBiome.getBiome(chunk.getBiomeId(x, z));
            if (realBiome instanceof CoveredBiome) {
                final CoveredBiome biome = (CoveredBiome) realBiome;
                //just in case!
                synchronized (biome.synchronizeCover) {
                    biome.preCover(realX | x, realZ | z);
                    int coverBlock = biome.getCoverBlock() << 4;

                    boolean hasCovered = false;
                    int realY;
                    //start one below build limit in case of cover blocks
                    for (int y = 254; y > 32; y--) {
                        if (chunk.getFullBlock(x, y, z) == STONE) {
                            COVER:
                            if (!hasCovered) {
                                if (y >= Normal.seaHeight) {
                                    chunk.setFullBlockId(x, y + 1, z, coverBlock);
                                    int surfaceDepth = biome.getSurfaceDepth(y);
                                    for (int i = 0; i < surfaceDepth; i++) {
                                        realY = y - i;
                                        if (chunk.getFullBlock(x, realY, z) == STONE) {
                                            chunk.setFullBlockId(x, realY, z, (biome.getSurfaceBlock(realY) << 4) | biome.getSurfaceMeta(realY));
                                        } else break COVER;
                                    }
                                    y -= surfaceDepth;
                                }
                                int groundDepth = biome.getGroundDepth(y);
                                for (int i = 0; i < groundDepth; i++) {
                                    realY = y - i;
                                    if (chunk.getFullBlock(x, realY, z) == STONE) {
                                        chunk.setFullBlockId(x, realY, z, (biome.getGroundBlock(realY) << 4) | biome.getGroundMeta(realY));
                                    } else break COVER;
                                }
                                //don't take all of groundDepth away because we do y-- in the loop
                                y -= groundDepth - 1;
                            }
                            hasCovered = true;
                        } else {
                            if (hasCovered) {
                                //reset it if this isn't a valid stone block (allows us to place ground cover on top and below overhangs)
                                hasCovered = false;
                            }
                        }
                    }
                }
            }
        }
    }
}