Examples with NBTInputStream org.jnbt.NBTInputStream used on opensource projects

Example 1 with NBTInputStream

use of org.jnbt.NBTInputStream in project WorldPainter by Captain-Chaos.

the class RespawnPlayer method respawnPlayer.

public static void respawnPlayer(File levelDatFile) throws IOException {
    CompoundTag outerTag;
    try (NBTInputStream in = new NBTInputStream(new GZIPInputStream(new FileInputStream(levelDatFile)))) {
        outerTag = (CompoundTag) in.readTag();
    }
    CompoundTag dataTag = (CompoundTag) outerTag.getTag(TAG_DATA);
    int spawnX = ((IntTag) dataTag.getTag(TAG_SPAWN_X)).getValue();
    int spawnY = ((IntTag) dataTag.getTag(TAG_SPAWN_Y)).getValue();
    int spawnZ = ((IntTag) dataTag.getTag(TAG_SPAWN_Z)).getValue();
    CompoundTag playerTag = (CompoundTag) dataTag.getTag(TAG_PLAYER);
    playerTag.setTag(TAG_DEATH_TIME, new ShortTag(TAG_DEATH_TIME, (short) 0));
    playerTag.setTag(TAG_HEALTH, new ShortTag(TAG_HEALTH, (short) 20));
    List<Tag> motionList = new ArrayList<>(3);
    motionList.add(new DoubleTag(null, 0));
    motionList.add(new DoubleTag(null, 0));
    motionList.add(new DoubleTag(null, 0));
    playerTag.setTag(TAG_MOTION, new ListTag(TAG_MOTION, DoubleTag.class, motionList));
    List<Tag> posList = new ArrayList<>(3);
    posList.add(new DoubleTag(null, spawnX + 0.5));
    posList.add(new DoubleTag(null, spawnY + 3));
    posList.add(new DoubleTag(null, spawnZ + 0.5));
    playerTag.setTag(TAG_POS, new ListTag(TAG_POS, DoubleTag.class, posList));
    try (NBTOutputStream out = new NBTOutputStream(new GZIPOutputStream(new FileOutputStream(levelDatFile)))) {
        out.writeTag(outerTag);
    }
}

Example 2 with NBTInputStream

use of org.jnbt.NBTInputStream in project WorldPainter by Captain-Chaos.

the class DumpChunk method main.

public static void main(String[] args) throws IOException {
    File levelDatFile = new File(args[0]);
    int chunkX = Integer.parseInt(args[1]);
    int chunkY = Integer.parseInt(args[2]);
    Level level = Level.load(levelDatFile);
    CompoundTag tag;
    try (NBTInputStream in = new NBTInputStream(RegionFileCache.getChunkDataInputStream(levelDatFile.getParentFile(), chunkX, chunkY, level.getVersion()))) {
        tag = (CompoundTag) in.readTag();
    }
    Chunk chunk = (level.getVersion() == SUPPORTED_VERSION_1) ? new ChunkImpl(tag, level.getMaxHeight()) : new ChunkImpl2(tag, level.getMaxHeight());
    System.out.println("Biomes");
    System.out.println("X-->");
    for (int z = 0; z < 16; z++) {
        for (int x = 0; x < 16; x++) {
            System.out.printf("[%3d]", chunk.getBiome(x, z));
        }
        if (z == 0) {
            System.out.print(" Z");
        } else if (z == 1) {
            System.out.print(" |");
        } else if (z == 2) {
            System.out.print(" v");
        }
        System.out.println();
    }
    System.out.println("Blocks:");
    List<TileEntity> tileEntities = chunk.getTileEntities();
    for (int y = 0; y < level.getMaxHeight(); y++) {
        boolean blockFound = false;
        x: for (int x = 0; x < 16; x++) {
            for (int z = 0; z < 16; z++) {
                if (chunk.getBlockType(x, y, z) != 0) {
                    blockFound = true;
                    break x;
                }
            }
        }
        if (!blockFound) {
            break;
        }
        System.out.println("X-->");
        for (int z = 0; z < 16; z++) {
            for (int x = 0; x < 16; x++) {
                int blockType = chunk.getBlockType(x, y, z);
                int data = chunk.getDataValue(x, y, z);
                if (blockType > 0) {
                    if (BLOCKS[blockType].tileEntity) {
                        int count = 0;
                        for (Iterator<TileEntity> i = tileEntities.iterator(); i.hasNext(); ) {
                            TileEntity tileEntity = i.next();
                            if ((tileEntity.getX() == x) && (tileEntity.getY() == y) && (tileEntity.getZ() == z)) {
                                count++;
                                i.remove();
                            }
                        }
                        if (count == 1) {
                            if (data > 0) {
                                System.out.printf("[%3.3s:%2d]", BLOCK_TYPE_NAMES[blockType], data);
                            } else {
                                System.out.printf("[%3.3s:  ]", BLOCK_TYPE_NAMES[blockType]);
                            }
                        } else {
                            System.out.printf("!%3.3s!%2d!", BLOCK_TYPE_NAMES[blockType], count);
                        }
                    } else {
                        if (data > 0) {
                            System.out.printf("[%3.3s:%2d]", BLOCK_TYPE_NAMES[blockType], data);
                        } else {
                            System.out.printf("[%3.3s:  ]", BLOCK_TYPE_NAMES[blockType]);
                        }
                    }
                } else {
                    System.out.print("[   :  ]");
                }
            }
            if (z == 0) {
                System.out.print(" Z");
            } else if (z == 1) {
                System.out.print(" |");
            } else if (z == 2) {
                System.out.print(" v");
            } else if (z == 15) {
                System.out.print(" Y: " + y);
            }
            System.out.println();
        }
    }
    if (!tileEntities.isEmpty()) {
        System.out.println("Unmatched tile entities!");
        for (TileEntity tileEntity : tileEntities) {
            System.out.println(tileEntity.getId() + "@" + tileEntity.getX() + "," + tileEntity.getY() + "," + tileEntity.getZ());
        }
    }
}

Example 3 with NBTInputStream

use of org.jnbt.NBTInputStream in project WorldPainter by Captain-Chaos.

the class JavaWorldMerger method copyAllChunks.

private String copyAllChunks(MinecraftWorld minecraftWorld, File oldRegionDir, Dimension dimension, Point regionCoords, ProgressReceiver progressReceiver) throws IOException, ProgressReceiver.OperationCancelled {
    if (progressReceiver != null) {
        progressReceiver.setMessage("Copying chunks unchanged");
    }
    int lowestChunkX = regionCoords.x << 5;
    int highestChunkX = (regionCoords.x << 5) + 31;
    int lowestChunkY = regionCoords.y << 5;
    int highestChunkY = (regionCoords.y << 5) + 31;
    Platform platform = dimension.getWorld().getPlatform();
    int maxHeight = dimension.getMaxHeight();
    Map<Point, RegionFile> regionFiles = new HashMap<>();
    Set<Point> damagedRegions = new HashSet<>();
    StringBuilder reportBuilder = new StringBuilder();
    try {
        int chunkNo = 0;
        for (int chunkX = lowestChunkX; chunkX <= highestChunkX; chunkX++) {
            for (int chunkY = lowestChunkY; chunkY <= highestChunkY; chunkY++) {
                chunkNo++;
                if (progressReceiver != null) {
                    progressReceiver.setProgress((float) chunkNo / 1024);
                }
                int regionX = chunkX >> 5;
                int regionY = chunkY >> 5;
                Point coords = new Point(regionX, regionY);
                if (damagedRegions.contains(coords)) {
                    // reported and logged earlier
                    continue;
                }
                RegionFile regionFile = regionFiles.get(coords);
                if (regionFile == null) {
                    File file = new File(oldRegionDir, "r." + regionX + "." + regionY + (platform.equals(DefaultPlugin.JAVA_ANVIL) ? ".mca" : ".mcr"));
                    try {
                        regionFile = new RegionFile(file);
                        regionFiles.put(coords, regionFile);
                    } catch (IOException e) {
                        reportBuilder.append("I/O error while opening region file " + file + " (message: \"" + e.getMessage() + "\"); skipping region" + EOL);
                        logger.error("I/O error while opening region file " + file + "; skipping region", e);
                        damagedRegions.add(coords);
                        continue;
                    }
                }
                int chunkXInRegion = chunkX & 0x1f;
                int chunkYInRegion = chunkY & 0x1f;
                if (regionFile.containsChunk(chunkXInRegion, chunkYInRegion)) {
                    Tag tag;
                    try {
                        InputStream chunkData = regionFile.getChunkDataInputStream(chunkXInRegion, chunkYInRegion);
                        if (chunkData == null) {
                            // This should never happen, since we checked
                            // with isChunkPresent(), but in practice it
                            // does. Perhaps corrupted data?
                            reportBuilder.append("Missing chunk data for chunk " + chunkXInRegion + ", " + chunkYInRegion + " in " + regionFile + "; skipping chunk" + EOL);
                            logger.warn("Missing chunk data for chunk " + chunkXInRegion + ", " + chunkYInRegion + " in " + regionFile + "; skipping chunk");
                            continue;
                        }
                        try (NBTInputStream in = new NBTInputStream(chunkData)) {
                            tag = in.readTag();
                        }
                    } catch (IOException e) {
                        reportBuilder.append("I/O error while reading chunk " + chunkXInRegion + ", " + chunkYInRegion + " from file " + regionFile + " (message: \"" + e.getMessage() + "\"); skipping chunk" + EOL);
                        logger.error("I/O error while reading chunk " + chunkXInRegion + ", " + chunkYInRegion + " from file " + regionFile + "; skipping chunk", e);
                        continue;
                    } catch (IllegalArgumentException e) {
                        reportBuilder.append("Illegal argument exception while reading chunk " + chunkXInRegion + ", " + chunkYInRegion + " from file " + regionFile + " (message: \"" + e.getMessage() + "\"); skipping chunk" + EOL);
                        logger.error("Illegal argument exception while reading chunk " + chunkXInRegion + ", " + chunkYInRegion + " from file " + regionFile + "; skipping chunk", e);
                        continue;
                    }
                    Chunk existingChunk = platform.equals(DefaultPlugin.JAVA_MCREGION) ? new ChunkImpl((CompoundTag) tag, maxHeight) : new ChunkImpl2((CompoundTag) tag, maxHeight);
                    minecraftWorld.addChunk(existingChunk);
                }
            }
        }
    } finally {
        for (RegionFile regionFile : regionFiles.values()) {
            regionFile.close();
        }
    }
    if (progressReceiver != null) {
        progressReceiver.setProgress(1.0f);
    }
    return reportBuilder.length() != 0 ? reportBuilder.toString() : null;
}

Example 4 with NBTInputStream

use of org.jnbt.NBTInputStream in project WorldPainter by Captain-Chaos.

the class NBTFileNode method loadChildren.

@Override
protected Node[] loadChildren() {
    try (InputStream in = new BufferedInputStream(new FileInputStream(file))) {
        in.mark(2);
        Tag tag;
        if ((in.read() == 0x1f) && (in.read() == 0x8b)) {
            // Gzip signature
            in.reset();
            tag = new NBTInputStream(new GZIPInputStream(in)).readTag();
        } else {
            tag = new NBTInputStream(in).readTag();
        }
        return new Node[] { new TagNode(tag) };
    } catch (IOException e) {
        throw new RuntimeException("I/O error while reading level.dat file", e);
    }
}

Example 5 with NBTInputStream

use of org.jnbt.NBTInputStream in project WorldPainter by Captain-Chaos.

the class MinecraftMapTileProvider method paintTile.

@Override
public boolean paintTile(Image tileImage, int x, int y, int dx, int dy) {
    final BufferedImage image = renderBufferRef.get();
    int scale = MathUtils.pow(2, -zoom);
    final int chunkX1 = x * 8 * scale, chunkY1 = y * 8 * scale;
    final int chunkX2 = chunkX1 + 8 * scale - 1, chunkY2 = chunkY1 + 8 * scale - 1;
    int previousRegionX = Integer.MIN_VALUE, previousRegionY = Integer.MIN_VALUE;
    RegionFile previousRegion = null;
    final int step = Math.max(scale / 16, 1);
    for (int chunkX = chunkX1; chunkX <= chunkX2; chunkX += step) {
        for (int chunkY = chunkY1; chunkY <= chunkY2; chunkY += step) {
            try {
                int regionX = chunkX >> 5, regionY = chunkY >> 5;
                RegionFile region;
                if ((regionX != previousRegionX) || (regionY != previousRegionY)) {
                    region = getRegionFile(regionX, regionY);
                    previousRegion = region;
                    previousRegionX = regionX;
                    previousRegionY = regionY;
                } else {
                    region = previousRegion;
                }
                if (region == null) {
                    continue;
                }
                DataInputStream dataIn = region.getChunkDataInputStream(chunkX & 0x1f, chunkY & 0x1f);
                if (dataIn != null) {
                    Chunk chunk;
                    try (NBTInputStream in = new NBTInputStream(dataIn)) {
                        chunk = (version == Constants.SUPPORTED_VERSION_2) ? new ChunkImpl2((CompoundTag) in.readTag(), maxHeight) : new ChunkImpl((CompoundTag) in.readTag(), maxHeight);
                    }
                    for (int blockX = 0; blockX < 16; blockX += scale) {
                        for (int blockY = 0; blockY < 16; blockY += scale) {
                            image.setRGB((((chunkX - chunkX1) << 4) | blockX) / scale, (((chunkY - chunkY1) << 4) | blockY) / scale, 0xff000000 | getColour(chunk, blockX, blockY));
                        }
                    }
                } else {
                    for (int blockX = 0; blockX < 16; blockX += scale) {
                        for (int blockY = 0; blockY < 16; blockY += scale) {
                            image.setRGB((((chunkX - chunkX1) << 4) | blockX) / scale, (((chunkY - chunkY1) << 4) | blockY) / scale, 0);
                        }
                    }
                }
            } catch (IOException e) {
                throw new RuntimeException("I/O error while reading chunk data", e);
            }
        }
    }
    Graphics2D g2 = (Graphics2D) tileImage.getGraphics();
    try {
        g2.setComposite(AlphaComposite.Src);
        g2.drawImage(image, dx, dy, null);
    } finally {
        g2.dispose();
    }
    return true;
}