Examples with BiomeGenerator org.spongepowered.api.world.gen.BiomeGenerator used on opensource projects

Example 1 with BiomeGenerator

use of org.spongepowered.api.world.gen.BiomeGenerator 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;
}

Example 2 with BiomeGenerator

use of org.spongepowered.api.world.gen.BiomeGenerator in project LanternServer by LanternPowered.

the class LanternChunkManager method generate.

/**
 * Attempts to generate the chunk.
 *
 * @param chunk The chunk
 * @param cause The cause
 */
private void generate(LanternChunk chunk, Cause cause) {
    final EventManager eventManager = Sponge.getEventManager();
    eventManager.post(SpongeEventFactory.createGenerateChunkEventPre(cause, chunk));
    final GenerationBuffers buffers = this.genBuffers.get();
    // noinspection ConstantConditions
    final ChunkBiomeBuffer biomeBuffer = buffers.chunkBiomeBuffer;
    biomeBuffer.reuse(new Vector3i(chunk.getX() << 4, 0, chunk.getZ() << 4));
    // Generate the biomes
    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());
    final ChunkBlockBuffer blockBuffer = buffers.chunkBlockBuffer;
    blockBuffer.reuse(new Vector3i(chunk.getX() << 4, 0, chunk.getZ() << 4));
    // Apply the main world generator
    final GenerationPopulator baseGenerator = this.worldGenerator.getBaseGenerationPopulator();
    baseGenerator.populate(this.world, blockBuffer, immutableBiomeVolume);
    // Get all the used biome types
    final Set<BiomeType> biomeTypes = ImmutableSet.copyOf(biomeBuffer.biomeTypes);
    for (BiomeType biomeType : biomeTypes) {
        final BiomeGenerationSettings settings = this.worldGenerator.getBiomeSettings(biomeType);
        for (GenerationPopulator generator : settings.getGenerationPopulators()) {
            generator.populate(this.world, blockBuffer, immutableBiomeVolume);
        }
    }
    // Apply the generator populators to complete the block buffer
    for (GenerationPopulator generator : this.worldGenerator.getGenerationPopulators()) {
        generator.populate(this.world, blockBuffer, immutableBiomeVolume);
    }
    // Create the chunk sections
    final ChunkSection[] sections = new ChunkSection[CHUNK_SECTIONS];
    for (int sy = 0; sy < CHUNK_SECTIONS; sy++) {
        final int nonAirCount = blockBuffer.nonAirCount[sy];
        if (nonAirCount > 0) {
            sections[sy] = new ChunkSection(blockBuffer.types[sy]);
        }
    }
    // Initialize the chunk
    chunk.initializeSections(sections);
    chunk.initializeHeightMap(null);
    chunk.initializeLight();
    eventManager.post(SpongeEventFactory.createGenerateChunkEventPost(cause, chunk));
}