Examples with SoftBufferExtentViewDownsize org.lanternpowered.server.world.extent.SoftBufferExtentViewDownsize used on opensource projects

Example 1 with SoftBufferExtentViewDownsize

use of org.lanternpowered.server.world.extent.SoftBufferExtentViewDownsize in project LanternServer by LanternPowered.

the class LanternChunkManager method populateChunk.

private void populateChunk(LanternChunk chunk, Cause cause, Random random) {
    chunk.populating = true;
    // Populate
    int chunkX = chunk.getX() * 16;
    int chunkZ = chunk.getZ() * 16;
    long worldSeed = this.world.getProperties().getSeed();
    random.setSeed(worldSeed);
    long xSeed = random.nextLong() / 2 * 2 + 1;
    long zSeed = random.nextLong() / 2 * 2 + 1;
    long chunkSeed = xSeed * chunkX + zSeed * chunkZ ^ worldSeed;
    random.setSeed(chunkSeed);
    // noinspection ConstantConditions
    final ChunkBiomeBuffer biomeBuffer = this.genBuffers.get().chunkBiomeBuffer;
    biomeBuffer.reuse(new Vector3i(chunkX + 8, 0, chunkZ + 8));
    // We ave to regenerate the biomes so that any
    // virtual biomes can be passed to the populator.
    final BiomeGenerator biomeGenerator = this.worldGenerator.getBiomeGenerator();
    biomeGenerator.generateBiomes(biomeBuffer);
    // Initialize the biomes into the chunk
    final ImmutableBiomeVolume immutableBiomeVolume = biomeBuffer.getImmutableBiomeCopy();
    chunk.initializeBiomes(biomeBuffer.detach().clone());
    // Using the biome at an arbitrary point within the chunk
    // ({16, 0, 16} in the vanilla game)
    final BiomeType biomeType = immutableBiomeVolume.getBiome(chunkX + 16, 0, chunkZ + 16);
    // Get the generation settings
    final BiomeGenerationSettings biomeGenSettings = this.worldGenerator.getBiomeSettings(biomeType);
    final List<Populator> populators = new LinkedList<>(biomeGenSettings.getPopulators());
    populators.addAll(this.worldGenerator.getPopulators());
    final EventManager eventManager = Sponge.getEventManager();
    final Vector3i min = new Vector3i(chunkX + 8, 0, chunkZ + 8);
    final Extent volume = new SoftBufferExtentViewDownsize(chunk.getWorld(), min, min.add(15, 0, 15), min.sub(8, 0, 8), min.add(23, 0, 23));
    // Call the pre populate event, this allows
    // modifications to the populators list
    // Called before a chunk begins populating. (javadoc)
    eventManager.post(SpongeEventFactory.createPopulateChunkEventPre(cause, populators, chunk));
    // First populate the chunk with the biome populators
    for (Populator populator : populators) {
        // Called when a populator is about to run against a chunk. (javadoc)
        eventManager.post(SpongeEventFactory.createPopulateChunkEventPopulate(cause, populator, chunk));
        populator.populate(this.world, volume, random);
    }
    // Called when a chunk finishes populating. (javadoc)
    eventManager.post(SpongeEventFactory.createPopulateChunkEventPost(cause, ImmutableList.copyOf(populators), chunk));
    this.world.getEventListener().onPopulateChunk(chunk);
    // We are done
    chunk.populated = true;
    chunk.populating = false;
}