some work on the blueprint database, new unique id concept

common/buildcraft/BuildCraftCore.java

@@ -173,7 +173,8 @@ public class BuildCraftCore {
 
 		BCLog.initLog();
 
-		BlueprintDatabase.configFolder = evt.getModConfigurationDirectory();
+		BlueprintDatabase.init(evt.getModConfigurationDirectory());
+
 		mainConfiguration = new BuildCraftConfiguration(new File(evt.getModConfigurationDirectory(), "buildcraft/main.conf"));
 		try {
 			mainConfiguration.load();

common/buildcraft/builders/ItemBlueprint.java

@@ -13,12 +13,14 @@ import buildcraft.core.CreativeTabBuildCraft;
 import buildcraft.core.ItemBuildCraft;
 import buildcraft.core.utils.NBTUtils;
 import buildcraft.core.utils.StringUtils;
+
 import java.util.List;
-import java.util.UUID;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 
+import buildcraft.builders.blueprints.BlueprintId;
+
 public abstract class ItemBlueprint extends ItemBuildCraft {
 
 	public ItemBlueprint(int i) {
@@ -39,11 +41,14 @@ public abstract class ItemBlueprint extends ItemBuildCraft {
 	}
 
 	public static Blueprint getBlueprint(ItemStack stack) {
-		if (stack != null && stack.getItem() instanceof ItemBlueprint) {
 		NBTTagCompound nbt = NBTUtils.getItemData(stack);
-			UUID uuid = NBTUtils.readUUID(nbt, "blueprint");
+		byte[] idRaw = nbt.getByteArray("blueprint");
-			return BlueprintDatabase.getBlueprint(uuid);
+		BlueprintId id = BlueprintId.fromRawId(idRaw);
-		}
+
+		if (id == null) {
 			return null;
+		} else {
+			return BlueprintDatabase.get(id);
+		}
 	}
 }

common/buildcraft/builders/TileArchitect.java

@@ -93,14 +93,14 @@ public class TileArchitect extends TileBuildCraft implements IInventory {
 
 		blueprint.anchorOrientation = ForgeDirection.getOrientation(worldObj.getBlockMetadata(xCoord, yCoord, zCoord));
 
-		BlueprintDatabase.addBlueprint(blueprint);
+		BlueprintDatabase.add(blueprint);
 
 		setInventorySlotContents(1, blueprint.getBlueprintItem());
 		setInventorySlotContents(0, null);
 	}
 
 	private Blueprint createMaskBlueprint(Box box) {
-		Blueprint blueprint = new Blueprint(box.sizeX(), box.sizeY(), box.sizeZ());
+		Blueprint blueprint = Blueprint.create(box.sizeX(), box.sizeY(), box.sizeZ());
 
 		for (int x = box.xMin; x <= box.xMax; ++x) {
 			for (int y = box.yMin; y <= box.yMax; ++y) {
@@ -120,7 +120,7 @@ public class TileArchitect extends TileBuildCraft implements IInventory {
 	}
 
 	private Blueprint createStandardBlueprint(Box box) {
-		Blueprint blueprint = new Blueprint(box.sizeX(), box.sizeY(), box.sizeZ());
+		Blueprint blueprint = Blueprint.create(box.sizeX(), box.sizeY(), box.sizeZ());
 
 		for (int x = box.xMin; x <= box.xMax; ++x) {
 			for (int y = box.yMin; y <= box.yMax; ++y) {

common/buildcraft/builders/blueprints/Blueprint.java

@@ -13,16 +13,18 @@ import buildcraft.core.inventory.StackHelper;
 import buildcraft.core.utils.BCLog;
 import buildcraft.core.utils.NBTUtils;
 import buildcraft.factory.TileQuarry;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.UUID;
+
 import net.minecraft.block.Block;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
 import net.minecraft.world.World;
+
 import net.minecraftforge.common.ForgeDirection;
 
 /**
@@ -30,42 +32,82 @@ import net.minecraftforge.common.ForgeDirection;
  * world.
  *
  * @author CovertJaguar <http://www.railcraft.info/>
+ * @author Player
  */
 public class Blueprint {
-
+	private BlueprintMeta meta;
-	private final String version = "Blueprint-2.0";
-	private final UUID uuid;
-	private String name;
-	private String creator;
 	private final Schematic[][][] schematics;
 	public final int sizeX, sizeY, sizeZ;
 	public int anchorX, anchorY, anchorZ;
 	public ForgeDirection anchorOrientation = ForgeDirection.NORTH;
 	private List<ItemStack> costs;
 
-	public Blueprint(int sizeX, int sizeY, int sizeZ) {
+	public static Blueprint create(int sizeX, int sizeY, int sizeZ) {
-		this(sizeX, sizeY, sizeZ, UUID.randomUUID());
+		return new Blueprint(new BlueprintMeta(), sizeX, sizeY, sizeZ);
 	}
 
-	private Blueprint(int sizeX, int sizeY, int sizeZ, UUID uuid) {
+	private Blueprint(BlueprintMeta meta, int sizeX, int sizeY, int sizeZ) {
-		this.uuid = uuid;
+		this.meta = meta;
+
 		this.sizeX = sizeX;
 		this.sizeY = sizeY;
 		this.sizeZ = sizeZ;
+
 		schematics = new Schematic[sizeX][sizeY][sizeZ];
 	}
 
+	protected Blueprint(BlueprintMeta meta, NBTTagCompound nbt) {
+		this(meta, nbt.getInteger("sizeX"),
+				nbt.getInteger("sizeY"),
+				nbt.getInteger("sizeZ"));
+
+		anchorX = nbt.getInteger("anchorX");
+		anchorY = nbt.getInteger("anchorY");
+		anchorZ = nbt.getInteger("anchorZ");
+
+		anchorOrientation = ForgeDirection.getOrientation(nbt.getByte("anchorOrientation"));
+
+		NBTTagList blockList = nbt.getTagList("blocks");
+		for (int i = 0; i < blockList.tagCount(); i++) {
+			NBTTagCompound blockNBT = (NBTTagCompound) blockList.tagAt(i);
+			Schematic schematic = Schematic.createSchematicFromNBT(blockNBT);
+			schematics[schematic.x][schematic.y][schematic.z] = schematic;
+		}
+	}
+
+	public BlueprintId getId() {
+		return meta.getId();
+	}
+
+	protected void setId(BlueprintId id) {
+		meta.setId(id);
+	}
+
 	public String getName() {
-		return name;
+		return meta.getName();
 	}
 
 	public void setName(String name) {
-		this.name = name;
+		meta.setName(name);
+	}
+
+	/**
+	 * @return the creator
+	 */
+	public String getCreator() {
+		return meta.getCreator();
+	}
+
+	/**
+	 * @param creator the creator to set
+	 */
+	public void setCreator(String creator) {
+		meta.setCreator(creator);
 	}
 
 	private void setSchematic(int x, int y, int z, Schematic schematic) {
-		if (schematic == null)
+		if (getId() != null) throw new IllegalStateException("modifying finalized blueprint");
-			return;
+
 		schematic.x = x;
 		schematic.y = y;
 		schematic.z = z;
@@ -124,10 +166,6 @@ public class Blueprint {
 		return schematics[x][y][z];
 	}
 
-	public UUID getUUID() {
-		return uuid;
-	}
-
 	/**
 	 * Returns a list of all blocks in the Blueprint in the order they should be
 	 * built.
@@ -174,7 +212,10 @@ public class Blueprint {
 	}
 
 	public void writeToNBT(NBTTagCompound nbt) {
+		meta.writeToNBT(nbt);
+
 		NBTTagList blockList = new NBTTagList();
+
 		for (int y = 0; y < sizeY; y++) {
 			for (int x = 0; x < sizeX; x++) {
 				for (int z = 0; z < sizeZ; z++) {
@@ -186,12 +227,8 @@ public class Blueprint {
 				}
 			}
 		}
+
 		nbt.setTag("blocks", blockList);
-		nbt.setLong("uuidMost", uuid.getMostSignificantBits());
-		nbt.setLong("uuidLeast", uuid.getLeastSignificantBits());
-		nbt.setString("name", name);
-		nbt.setString("version", version);
-		nbt.setString("creator", creator);
 		nbt.setInteger("sizeX", sizeX);
 		nbt.setInteger("sizeY", sizeY);
 		nbt.setInteger("sizeZ", sizeZ);
@@ -201,46 +238,7 @@ public class Blueprint {
 		nbt.setByte("anchorOrientation", (byte) anchorOrientation.ordinal());
 	}
 
-	public static Blueprint readFromNBT(NBTTagCompound nbt) {
-		long most = nbt.getLong("uuidMost");
-		long least = nbt.getLong("uuidLeast");
-		int sizeX = nbt.getInteger("sizeX");
-		int sizeY = nbt.getInteger("sizeY");
-		int sizeZ = nbt.getInteger("sizeZ");
 
-		Blueprint blueprint = new Blueprint(sizeX, sizeY, sizeZ, new UUID(most, least));
-
-		blueprint.name = nbt.getString("name");
-		blueprint.creator = nbt.getString("creator");
-
-		blueprint.anchorX = nbt.getInteger("anchorX");
-		blueprint.anchorY = nbt.getInteger("anchorY");
-		blueprint.anchorZ = nbt.getInteger("anchorZ");
-
-		blueprint.anchorOrientation = ForgeDirection.getOrientation(nbt.getByte("anchorOrientation"));
-
-		NBTTagList blockList = nbt.getTagList("blocks");
-		for (int i = 0; i < blockList.tagCount(); i++) {
-			NBTTagCompound blockNBT = (NBTTagCompound) blockList.tagAt(i);
-			Schematic schematic = Schematic.createSchematicFromNBT(blockNBT);
-			blueprint.schematics[schematic.x][schematic.y][schematic.z] = schematic;
-		}
-		return blueprint;
-	}
-
-	/**
-	 * @return the creator
-	 */
-	public String getCreator() {
-		return creator;
-	}
-
-	/**
-	 * @param creator the creator to set
-	 */
-	public void setCreator(String creator) {
-		this.creator = creator;
-	}
 
 	public void rotateLeft() {
 		anchorOrientation = anchorOrientation.getRotation(ForgeDirection.DOWN);
@@ -249,7 +247,7 @@ public class Blueprint {
 	public ItemStack getBlueprintItem() {
 		ItemStack blueprint = new ItemStack(BuildCraftBuilders.blueprintItem, 1, 1);
 		NBTTagCompound nbt = NBTUtils.getItemData(blueprint);
-		NBTUtils.writeUUID(nbt, "blueprint", uuid);
+		nbt.setByteArray("blueprint", getId().toRawId());
 		return blueprint;
 	}
 }

common/buildcraft/builders/blueprints/BlueprintDatabase.java

@@ -8,127 +8,225 @@
  */
 package buildcraft.builders.blueprints;
 
-import cpw.mods.fml.relauncher.Side;
+import java.io.ByteArrayInputStream;
-import cpw.mods.fml.relauncher.SideOnly;
+import java.io.ByteArrayOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.FilenameFilter;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
-import java.util.UUID;
+import java.util.WeakHashMap;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
 import net.minecraft.nbt.CompressedStreamTools;
+import net.minecraft.nbt.NBTBase;
 import net.minecraft.nbt.NBTTagCompound;
 
 /**
  *
+ * @author Player
  * @author CovertJaguar <http://www.railcraft.info/>
  */
 public class BlueprintDatabase {
+	public static void init(File configDir) {
+		blueprintFolder = new File(new File(configDir, "buildcraft"), "blueprints");
 
-	public static File configFolder;
+		if (!blueprintFolder.exists()) blueprintFolder.mkdirs();
-	private static Map<UUID, Blueprint> blueprints = new HashMap<UUID, Blueprint>();
 
-	public static Blueprint getBlueprint(UUID uuid) {
+		loadIndex();
-		if(uuid == null)
-			return null;
-		Blueprint blueprint = blueprints.get(uuid);
-		if (blueprint == null) {
-			blueprint = loadBlueprint(uuid);
-			addBlueprint(blueprint);
-		}
-		return blueprint;
 	}
 
-	public static void addBlueprint(Blueprint blueprint) {
+	public static Blueprint get(BlueprintId id) {
-		if (blueprint == null)
+		Blueprint ret = blueprints.get(id);
-			return;
+
-		blueprints.put(blueprint.getUUID(), blueprint);
+		if (ret == null) {
+			BlueprintMeta meta = blueprintMetas.get(id);
+			if (meta == null) return null; // no meta -> no bpt as well
+
+			ret = load(meta);
 		}
 
-	private static File getBlueprintFolder() {
+		return ret;
-		File blueprintFolder = new File(configFolder, "buildcraft/blueprints/");
-		if (!blueprintFolder.exists()) {
-			blueprintFolder.mkdirs();
-		}
-		return blueprintFolder;
 	}
 
-	private static String uuidToString(UUID uuid) {
+	public static BlueprintId add(Blueprint blueprint) {
-		return String.format(Locale.ENGLISH, "%x%x", uuid.getMostSignificantBits(), uuid.getLeastSignificantBits());
+		BlueprintId id = save(blueprint);
+
+		blueprint.setId(id);
+
+		blueprints.put(id, blueprint);
+
+		return id;
 	}
 
-	public static void saveBlueprint(Blueprint blueprint) {
+	private static BlueprintId save(Blueprint blueprint) {
 		NBTTagCompound nbt = new NBTTagCompound();
 		blueprint.writeToNBT(nbt);
 
-		File blueprintFile = new File(getBlueprintFolder(), String.format(Locale.ENGLISH, "%x%x-%s.nbt", uuidToString(blueprint.getUUID()), blueprint.getName()));
+		ByteArrayOutputStream bos = new ByteArrayOutputStream();
-
+		DataOutputStream os = new DataOutputStream(bos);
-		if (blueprintFile.exists())
-			return;
 
 		try {
+			NBTBase.writeNamedTag(nbt, os);
+		} catch (IOException e) {
+			throw new RuntimeException(e);
+		}
+
+		byte[] data = bos.toByteArray();
+
+		BlueprintId id = BlueprintId.generate(data);
+
+		File blueprintFile = new File(blueprintFolder, String.format(Locale.ENGLISH, "%s-%s.nbt", id.toString(), blueprint.getName()));
+
+		if (!blueprintFile.exists()) {
+			OutputStream gzOs = null;
+			try {
+				gzOs = new GZIPOutputStream(new FileOutputStream(blueprintFile));
+
+				gzOs.write(data);
+
 				CompressedStreamTools.write(nbt, blueprintFile);
 			} catch (IOException ex) {
 				Logger.getLogger("Buildcraft").log(Level.SEVERE, String.format("Failed to save Blueprint file: %s %s", blueprintFile.getName(), ex.getMessage()));
+			} finally {
+				try {
+					if (gzOs != null) gzOs.close();
+				} catch (IOException e) { }
 			}
 		}
 
-	public static void saveBlueprints() {
+		return id;
-		for (Blueprint blueprint : blueprints.values()) {
-			saveBlueprint(blueprint);
-		}
 	}
 
-	private static Blueprint loadBlueprint(final UUID uuid) {
+	private static void loadIndex() {
 		FilenameFilter filter = new FilenameFilter() {
-			private String uuidString = uuidToString(uuid);
-
 			@Override
 			public boolean accept(File dir, String name) {
-				return name.startsWith(uuidString);
+				return name.endsWith(fileExt);
 			}
 		};
 
-		NBTTagCompound nbt = null;
-		File blueprintFolder = getBlueprintFolder();
 		for (File blueprintFile : blueprintFolder.listFiles(filter)) {
+			RawBlueprint rawBlueprint = load(blueprintFile);
+
+			if (rawBlueprint == null) {
+				// TODO: delete?
+				continue;
+			}
+
+			BlueprintMeta meta;
+
 			try {
-				nbt = CompressedStreamTools.read(blueprintFile);
+				meta = new BlueprintMeta(rawBlueprint.id, rawBlueprint.nbt);
-				break;
+			} catch (Exception e) {
-			} catch (IOException ex) {
+				// TODO: delete?
-				Logger.getLogger("Buildcraft").log(Level.SEVERE, String.format("Failed to load Blueprint file: %s %s", blueprintFile.getName(), ex.getMessage()));
+				continue;
+			}
+
+			// TODO: check if the filename is matching id+name
+
+			BlueprintMeta prevValue = blueprintMetas.put(meta.getId(), meta);
+
+			if (prevValue != null) {
+				// TODO: duplicate entry, handle
+			}
 		}
 	}
 
-		if (nbt == null) {
+	private static Blueprint load(final BlueprintMeta meta) {
+		FilenameFilter filter = new FilenameFilter() {
+			String prefix = meta.getId().toString();
+
+			@Override
+			public boolean accept(File dir, String name) {
+				return name.endsWith(fileExt) && name.startsWith(prefix);
+			}
+		};
+
+		for (File blueprintFile : blueprintFolder.listFiles(filter)) {
+			RawBlueprint rawBlueprint = load(blueprintFile);
+
+			if (rawBlueprint == null) {
+				continue;
+			}
+
+			Blueprint blueprint;
+
+			try {
+				blueprint = new Blueprint(meta, rawBlueprint.nbt);
+			} catch (Exception e) {
+				// TODO: delete?
+				continue;
+			}
+
+			blueprints.put(blueprint.getId(), blueprint);
+
+			return blueprint;
+		}
+
 		return null;
 	}
-		return Blueprint.readFromNBT(nbt);
-	}
 
-	public static void loadBlueprints() {
+	private static RawBlueprint load(File file) {
-		FilenameFilter filter = new FilenameFilter() {
+		InputStream fileIs = null;
-			@Override
+		ByteArrayOutputStream decompressedStream;
-			public boolean accept(File dir, String name) {
+
-				return name.endsWith(".nbt");
-			}
-		};
-		File blueprintFolder = getBlueprintFolder();
-		for (File blueprintFile : blueprintFolder.listFiles(filter)) {
 		try {
-				NBTTagCompound nbt = CompressedStreamTools.read(blueprintFile);
+			fileIs = new GZIPInputStream(new FileInputStream(file), bufferSize);
-				addBlueprint(Blueprint.readFromNBT(nbt));
+			decompressedStream = new ByteArrayOutputStream(bufferSize * 4);
-			} catch (IOException ex) {
+			byte buffer[] = new byte[bufferSize];
-				Logger.getLogger("Buildcraft").log(Level.SEVERE, String.format("Failed to load Blueprint file: %s %s", blueprintFile.getName(), ex.getMessage()));
+			int len;
-			}
+
+			while ((len = fileIs.read(buffer)) != -1) {
+				decompressedStream.write(buffer, 0, len);
 			}
+		} catch (IOException e) {
+			Logger.getLogger("Buildcraft").log(Level.SEVERE, String.format("Failed to load Blueprint file: %s %s", file.getName(), e.getMessage()));
+			return null;
+		} finally {
+			try {
+				fileIs.close();
+			} catch (IOException e) {}
 		}
 
-	@SideOnly(Side.CLIENT)
+		byte[] data = decompressedStream.toByteArray();
-	public static void sendBlueprintsToServer() {
+		BlueprintId id = BlueprintId.generate(data);
-		// TODO
+
+		DataInputStream dataIs = new DataInputStream(new ByteArrayInputStream(data));
+		NBTTagCompound nbt;
+
+		try {
+			nbt = CompressedStreamTools.read(dataIs);
+		} catch (IOException e) {
+			return null;
 		}
+
+		return new RawBlueprint(id, nbt);
+	}
+
+	private static class RawBlueprint {
+		RawBlueprint(BlueprintId id, NBTTagCompound nbt) {
+			this.id = id;
+			this.nbt = nbt;
+		}
+
+		final BlueprintId id;
+		final NBTTagCompound nbt;
+	}
+
+	private static final int bufferSize = 8192;
+	private static final String fileExt = ".bpt";
+	private static File blueprintFolder;
+	private static Map<BlueprintId, BlueprintMeta> blueprintMetas = new HashMap<BlueprintId, BlueprintMeta>();
+	private static Map<BlueprintId, Blueprint> blueprints = new WeakHashMap<BlueprintId, Blueprint>();
 }

common/buildcraft/builders/blueprints/BlueprintId.java

@@ -0,0 +1,64 @@
+package buildcraft.builders.blueprints;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+
+public final class BlueprintId {
+	public static BlueprintId generate(byte[] data) {
+		try {
+			MessageDigest digest = MessageDigest.getInstance("SHA-256");
+			byte[] id = digest.digest(data);
+
+			return new BlueprintId(id);
+		} catch (NoSuchAlgorithmException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public static BlueprintId fromRawId(byte[] id) {
+		if (id.length != 32) return null;
+
+		return new BlueprintId(id);
+	}
+
+	private BlueprintId(byte[] id) {
+		this.id = id;
+	}
+
+	public byte[] toRawId() {
+		return id;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (obj instanceof BlueprintId) {
+			return Arrays.equals(id, ((BlueprintId) obj).id);
+		} else {
+			return false;
+		}
+	}
+
+	@Override
+	public int hashCode() {
+		return Arrays.hashCode(id);
+	}
+
+	@Override
+	public String toString() {
+		char[] ret = new char[id.length * 2];
+
+		for (int i = 0; i < id.length; i++) {
+			ret[i * 2] = toHex(id[i] >>> 4);
+			ret[i * 2 + 1] = toHex(id[i] & 0xf);
+		}
+
+		return new String(ret);
+	}
+
+	private char toHex(int i) {
+		return (char) (i < 10 ? '0' + i : 'a' - 10 + i);
+	}
+
+	private final byte[] id;
+}

common/buildcraft/builders/blueprints/BlueprintMeta.java

@@ -0,0 +1,60 @@
+package buildcraft.builders.blueprints;
+
+import net.minecraft.nbt.NBTTagCompound;
+
+public class BlueprintMeta {
+	private final String version = "Blueprint-2.0";
+	private BlueprintId id;
+	private String name;
+	private String creator;
+
+	protected BlueprintMeta() {
+	}
+
+	protected BlueprintMeta(BlueprintId id, NBTTagCompound nbt) {
+		this.id = id;
+
+		name = nbt.getString("name");
+		creator = nbt.getString("creator");
+	}
+
+	protected BlueprintId getId() {
+		return id;
+	}
+
+	protected void setId(BlueprintId id) {
+		this.id = id;
+	}
+
+	protected String getName() {
+		return name;
+	}
+
+	protected void setName(String name) {
+		if (getId() != null) throw new IllegalStateException("modifying finalized blueprint");
+
+		this.name = name;
+	}
+
+	/**
+	 * @return the creator
+	 */
+	protected String getCreator() {
+		return creator;
+	}
+
+	/**
+	 * @param creator the creator to set
+	 */
+	protected void setCreator(String creator) {
+		if (getId() != null) throw new IllegalStateException("modifying finalized blueprint");
+
+		this.creator = creator;
+	}
+
+	protected void writeToNBT(NBTTagCompound nbt) {
+		nbt.setString("name", name);
+		nbt.setString("version", version);
+		nbt.setString("creator", creator);
+	}
+}

common/buildcraft/factory/TileQuarry.java

@@ -51,7 +51,6 @@ import net.minecraftforge.common.ForgeChunkManager;
 import net.minecraftforge.common.ForgeChunkManager.Ticket;
 import net.minecraftforge.common.ForgeChunkManager.Type;
 import net.minecraftforge.common.ForgeDirection;
-import static net.minecraftforge.common.ForgeDirection.*;
 
 public class TileQuarry extends TileBuildCraft implements IMachine, IPowerReceptor, IBuilderInventory {
 
@@ -619,7 +618,7 @@ public class TileQuarry extends TileBuildCraft implements IMachine, IPowerRecept
 	}
 
 	private void initializeBlueprintBuilder() {
-		Blueprint blueprint = new Blueprint(box.sizeX(), box.sizeY(), box.sizeZ());
+		Blueprint blueprint = Blueprint.create(box.sizeX(), box.sizeY(), box.sizeZ());
 
 		for (int it = 0; it < 2; it++) {
 			for (int i = 0; i < blueprint.sizeX; ++i) {