Examples with ChunkRelevanceRegion org.terasology.world.chunks.internal.ChunkRelevanceRegion used on opensource projects

Example 1 with ChunkRelevanceRegion

use of org.terasology.world.chunks.internal.ChunkRelevanceRegion in project Terasology by MovingBlocks.

the class LocalChunkProvider method checkForUnload.

private void checkForUnload() {
    PerformanceMonitor.startActivity("Unloading irrelevant chunks");
    int unloaded = 0;
    logger.debug("Compacting cache");
    Iterator<Vector3i> iterator = chunkCache.iterateChunkPositions();
    while (iterator.hasNext()) {
        Vector3i pos = iterator.next();
        boolean keep = false;
        for (ChunkRelevanceRegion region : regions.values()) {
            if (region.getCurrentRegion().expand(UNLOAD_LEEWAY).encompasses(pos)) {
                keep = true;
                break;
            }
        }
        if (!keep) {
            // Note: Above won't matter if all changes are on the main thread
            if (unloadChunkInternal(pos)) {
                iterator.remove();
                if (++unloaded >= UNLOAD_PER_FRAME) {
                    break;
                }
            }
        }
    }
    PerformanceMonitor.endActivity();
}

Example 2 with ChunkRelevanceRegion

use of org.terasology.world.chunks.internal.ChunkRelevanceRegion in project Terasology by MovingBlocks.

the class LocalChunkProvider method addRelevanceEntity.

@Override
public void addRelevanceEntity(EntityRef entity, Vector3i distance, ChunkRegionListener listener) {
    if (!entity.exists()) {
        return;
    }
    regionLock.readLock().lock();
    try {
        ChunkRelevanceRegion region = regions.get(entity);
        if (region != null) {
            region.setRelevanceDistance(distance);
            return;
        }
    } finally {
        regionLock.readLock().unlock();
    }
    ChunkRelevanceRegion region = new ChunkRelevanceRegion(entity, distance);
    if (listener != null) {
        region.setListener(listener);
    }
    regionLock.writeLock().lock();
    try {
        regions.put(entity, region);
    } finally {
        regionLock.writeLock().unlock();
    }
    for (Vector3i pos : region.getCurrentRegion()) {
        Chunk chunk = getChunk(pos);
        if (chunk != null) {
            region.checkIfChunkIsRelevant(chunk);
        } else {
            createOrLoadChunk(pos);
        }
    }
}

Example 3 with ChunkRelevanceRegion

use of org.terasology.world.chunks.internal.ChunkRelevanceRegion in project Terasology by MovingBlocks.

the class LocalChunkProvider method unloadChunkInternal.

private boolean unloadChunkInternal(Vector3i pos) {
    Chunk chunk = chunkCache.get(pos);
    if (!chunk.isReady()) {
        // Chunk hasn't been finished or changed, so just drop it.
        Iterator<ReadyChunkInfo> infoIterator = sortedReadyChunks.iterator();
        while (infoIterator.hasNext()) {
            ReadyChunkInfo next = infoIterator.next();
            if (next.getPos().equals(chunk.getPosition())) {
                infoIterator.remove();
                break;
            }
        }
        return true;
    }
    worldEntity.send(new BeforeChunkUnload(pos));
    for (ChunkRelevanceRegion region : regions.values()) {
        region.chunkUnloaded(pos);
    }
    storageManager.deactivateChunk(chunk);
    chunk.dispose();
    try {
        unloadRequestTaskMaster.put(new ChunkUnloadRequest(chunk, this));
    } catch (InterruptedException e) {
        logger.error("Failed to enqueue unload request for {}", chunk.getPosition(), e);
    }
    return true;
}

Example 4 with ChunkRelevanceRegion

use of org.terasology.world.chunks.internal.ChunkRelevanceRegion in project Terasology by MovingBlocks.

the class LocalChunkProvider method purgeWorld.

@Override
public void purgeWorld() {
    ChunkMonitor.fireChunkProviderDisposed(this);
    pipeline.shutdown();
    unloadRequestTaskMaster.shutdown(new ChunkUnloadRequest(), true);
    chunkFinalizer.shutdown();
    chunkCache.getAllChunks().stream().filter(ManagedChunk::isReady).forEach(chunk -> {
        worldEntity.send(new BeforeChunkUnload(chunk.getPosition()));
        storageManager.deactivateChunk(chunk);
        chunk.dispose();
    });
    chunkCache.clear();
    readyChunks.clear();
    sortedReadyChunks.clear();
    storageManager.deleteWorld();
    preparingChunks.clear();
    worldEntity.send(new PurgeWorldEvent());
    pipeline = new ChunkGenerationPipeline(new ChunkTaskRelevanceComparator());
    unloadRequestTaskMaster = TaskMaster.createFIFOTaskMaster("Chunk-Unloader", 8);
    chunkFinalizer = chunkFinalizerSupplier.get();
    chunkFinalizer.initialize(this);
    chunkFinalizer.restart();
    ChunkMonitor.fireChunkProviderInitialized(this);
    for (ChunkRelevanceRegion chunkRelevanceRegion : regions.values()) {
        for (Vector3i pos : chunkRelevanceRegion.getCurrentRegion()) {
            createOrLoadChunk(pos);
        }
        chunkRelevanceRegion.setUpToDate();
    }
}