Examples with Region org.terasology.world.generation.Region used on opensource projects

Example 1 with Region

use of org.terasology.world.generation.Region in project Terasology by MovingBlocks.

the class FacetLayerPreview method render.

@Override
public ByteBuffer render(TextureData texData, int scale, ProgressListener progressListener) throws InterruptedException {
    int width = texData.getWidth();
    int height = texData.getWidth();
    final int offX = -width * scale / 2;
    final int offY = -height * scale / 2;
    // trigger building the World now
    worldGenerator.getWorld();
    Rect2i worldArea = Rect2i.createFromMinAndSize(offX, offY, width * scale, height * scale);
    Rect2i tileArea = worldToTileArea(worldArea);
    AtomicInteger tilesComplete = new AtomicInteger(0);
    int tileCount = tileArea.area();
    int[] masks = colorModel.getMasks();
    DataBufferInt imageBuffer = new DataBufferInt(width * height);
    WritableRaster raster = Raster.createPackedRaster(imageBuffer, width, height, width, masks, null);
    BufferedImage view = new BufferedImage(colorModel, raster, false, null);
    Graphics2D g = view.createGraphics();
    g.scale(1f / scale, 1f / scale);
    g.translate(-offX, -offY);
    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    Map<ImmutableVector2i, Future<BufferedImage>> imageFutures = new HashMap<>(tileCount);
    for (int z = tileArea.minY(); z < tileArea.maxY(); z++) {
        for (int x = tileArea.minX(); x < tileArea.maxX(); x++) {
            ImmutableVector2i pos = new ImmutableVector2i(x, z);
            imageFutures.put(pos, threadPool.submit(() -> {
                Region createRegion = createRegion(pos);
                BufferedImage image = rasterize(createRegion);
                if (progressListener != null) {
                    progressListener.onProgress(tilesComplete.incrementAndGet() / (float) tileCount);
                }
                return image;
            }));
        }
    }
    for (int z = tileArea.minY(); z < tileArea.maxY(); z++) {
        for (int x = tileArea.minX(); x < tileArea.maxX(); x++) {
            ImmutableVector2i pos = new ImmutableVector2i(x, z);
            try {
                BufferedImage tileImage = imageFutures.get(pos).get();
                g.drawImage(tileImage, x * TILE_SIZE_X, z * TILE_SIZE_Y, null);
            } catch (ExecutionException e) {
                logger.warn("Could not rasterize tile {}", pos, e);
            }
            if (Thread.currentThread().isInterrupted()) {
                throw new InterruptedException();
            }
        }
    }
    // draw coordinate lines through 0 / 0
    g.setColor(Color.GRAY);
    g.drawLine(worldArea.minX(), 0, worldArea.maxX(), 0);
    g.drawLine(0, worldArea.minY(), 0, worldArea.maxY());
    g.dispose();
    int[] data = imageBuffer.getData();
    ByteBuffer byteBuffer = texData.getBuffers()[0];
    byteBuffer.asIntBuffer().put(data);
    return byteBuffer;
}

Example 2 with Region

use of org.terasology.world.generation.Region in project Terasology by MovingBlocks.

the class FacetLayerPreview method createRegion.

private Region createRegion(ImmutableVector2i chunkPos) {
    // 4 chunks high (relevant for trees, etc)
    int vertChunks = 4;
    int minX = chunkPos.getX() * TILE_SIZE_X;
    int minZ = chunkPos.getY() * TILE_SIZE_Y;
    int height = vertChunks * ChunkConstants.SIZE_Y;
    Region3i area3d = Region3i.createFromMinAndSize(new Vector3i(minX, 0, minZ), new Vector3i(TILE_SIZE_X, height, TILE_SIZE_Y));
    World world = worldGenerator.getWorld();
    Region region = world.getWorldData(area3d);
    return region;
}

Example 3 with Region

use of org.terasology.world.generation.Region in project Terasology by MovingBlocks.

the class AbstractSpawner method findSpawnPosition.

/**
 * Tries to find a suitable spawning point based on {@link SurfaceHeightFacet} and {@link SeaLevelFacet}.
 * @param searchRadius the radius within a suitable spawning point will be searched
 * @param world the facet-based world
 * @param pos the desired 2D position in that world
 * @return a 3D position above the surface and sea level or <code>null</code> if none was found
 * @throws IllegalStateException if no SurfaceHeightFacet can be created.
 */
protected Vector3f findSpawnPosition(World world, Vector2i pos, int searchRadius) {
    Vector3i ext = new Vector3i(searchRadius, 1, searchRadius);
    Vector3i desiredPos = new Vector3i(pos.getX(), 1, pos.getY());
    // try and find somewhere in this region a spot to land
    Region3i spawnArea = Region3i.createFromCenterExtents(desiredPos, ext);
    Region worldRegion = world.getWorldData(spawnArea);
    // check if generation uses sea level and surface height facets
    SurfaceHeightFacet surfaceHeightFacet = worldRegion.getFacet(SurfaceHeightFacet.class);
    if (surfaceHeightFacet == null) {
        throw new IllegalStateException("surface height facet not found");
    }
    SeaLevelFacet seaLevelFacet = worldRegion.getFacet(SeaLevelFacet.class);
    int seaLevel = (seaLevelFacet != null) ? seaLevelFacet.getSeaLevel() : 0;
    int spiralRad = searchRadius / 2 - 1;
    SpiralIterable spiral = SpiralIterable.clockwise(pos).maxRadius(spiralRad).scale(2).build();
    for (BaseVector2i test : spiral) {
        float val = surfaceHeightFacet.getWorld(test.getX(), test.getY());
        int height = TeraMath.floorToInt(val);
        if (height >= seaLevel) {
            return new Vector3f(test.getX(), height, test.getY());
        }
    }
    // nothing above sea level found
    float y = surfaceHeightFacet.getWorld(pos.getX(), pos.getY());
    return new Vector3f(pos.getX(), y, pos.getY());
}

Example 4 with Region

use of org.terasology.world.generation.Region in project Terasology by MovingBlocks.

the class FloraRasterizer method generateChunk.

@Override
public void generateChunk(CoreChunk chunk, Region chunkRegion) {
    FloraFacet facet = chunkRegion.getFacet(FloraFacet.class);
    WhiteNoise noise = new WhiteNoise(chunk.getPosition().hashCode());
    Map<BaseVector3i, FloraType> entries = facet.getRelativeEntries();
    // check if some other rasterizer has already placed something here
    entries.keySet().stream().filter(pos -> chunk.getBlock(pos).equals(air)).forEach(pos -> {
        FloraType type = entries.get(pos);
        List<Block> list = flora.get(type);
        int blockIdx = Math.abs(noise.intNoise(pos.x(), pos.y(), pos.z())) % list.size();
        Block block = list.get(blockIdx);
        chunk.setBlock(pos, block);
    });
}

Example 5 with Region

use of org.terasology.world.generation.Region in project Terasology by MovingBlocks.

the class TreeFacetLayer method getWorldText.

@Override
public String getWorldText(Region region, int wx, int wy) {
    TreeFacet treeFacet = region.getFacet(TreeFacet.class);
    Region3i worldRegion = treeFacet.getWorldRegion();
    Region3i relativeRegion = treeFacet.getRelativeRegion();
    int rx = wx - worldRegion.minX() + relativeRegion.minX();
    int rz = wy - worldRegion.minZ() + relativeRegion.minZ();
    Vector2f relCursor = new Vector2f(rx, rz);
    CirclePicker<TreeGenerator> picker = new CirclePickerAll<>(relCursor, radiusFunc);
    for (Entry<BaseVector3i, TreeGenerator> entry : treeFacet.getRelativeEntries().entrySet()) {
        TreeGenerator treeGen = entry.getValue();
        BaseVector3i treePos = entry.getKey();
        picker.offer(treePos.getX(), treePos.getZ(), treeGen);
    }
    Set<TreeGenerator> picked = picker.getAll();
    // try to exit early first
    if (picked.isEmpty()) {
        return null;
    }
    if (picked.size() == 1) {
        TreeGenerator first = picked.iterator().next();
        return labelFunc.apply(first);
    }
    // convert to a stream of labels
    Stream<String> labels = picked.stream().map(labelFunc);
    // collect identical String elements and collect the count in a map
    Map<String, Long> counters = labels.collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
    // define a mapping from a map entry to a String representation
    // TODO: treat 1x occurrences like above (e.g. Tree instead of 1x Tree)
    Function<Entry<String, Long>, String> toStringFunc = e -> String.format("%dx %s", e.getValue(), e.getKey());
    // apply that mapping and join the Strings with a comma
    return counters.entrySet().stream().map(toStringFunc).collect(Collectors.joining(", "));
}