Update buildscript & apply spotless (#1306)

* Update dependencies

* Update buildscript, apply spotless

1 files changed, 514 insertions, 509 deletions

diff --git a/src/main/java/gregtech/api/util/GT_AssemblyLineUtils.java b/src/main/java/gregtech/api/util/GT_AssemblyLineUtils.java
index 4f9036f2c7..f20a78d494 100644
--- a/src/main/java/gregtech/api/util/GT_AssemblyLineUtils.java
+++ b/src/main/java/gregtech/api/util/GT_AssemblyLineUtils.java
@@ -2,17 +2,17 @@ package gregtech.api.util;
 
 import static gregtech.GT_Mod.GT_FML_LOGGER;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Objects;
-
 import cpw.mods.fml.common.FMLCommonHandler;
 import gregtech.api.enums.GT_Values;
 import gregtech.api.enums.ItemList;
 import gregtech.api.objects.GT_ItemStack;
 import gregtech.api.util.GT_Recipe.GT_Recipe_AssemblyLine;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Objects;
+import javax.annotation.Nonnull;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
@@ -20,509 +20,514 @@ import net.minecraft.nbt.NBTTagString;
 import net.minecraftforge.common.util.Constants.NBT;
 import net.minecraftforge.fluids.FluidStack;
 
-import javax.annotation.Nonnull;
-
 public class GT_AssemblyLineUtils {
 
-	/**
-	 * A cache of Recipes using the Output as Key.
-	 */
-	private static HashMap<GT_ItemStack, GT_Recipe_AssemblyLine> sRecipeCacheByOutput = new HashMap<GT_ItemStack, GT_Recipe_AssemblyLine>();
-	/**
-	 * A cache of Recipes using the Recipe Hash String as Key.
-	 */
-	private static HashMap<String, GT_Recipe_AssemblyLine> sRecipeCacheByRecipeHash = new HashMap<String, GT_Recipe_AssemblyLine>();
-
-
-
-	/**
-	 * Checks the DataStick for deprecated/invalid recipes, updating them as required.
-	 * @param aDataStick - The DataStick to process 
-	 * @return Is this DataStick now valid with a current recipe?
-	 */
-	public static GT_Recipe_AssemblyLine processDataStick(ItemStack aDataStick) {
-		if (!isItemDataStick(aDataStick)) {
-			return null;
-		}
-		if (doesDataStickNeedUpdate(aDataStick)) {
-			ItemStack aStickOutput = getDataStickOutput(aDataStick);
-			if (aStickOutput != null) {
-				GT_Recipe_AssemblyLine aIntendedRecipe = findAssemblyLineRecipeByOutput(aStickOutput);
-				if (aIntendedRecipe != null && setAssemblyLineRecipeOnDataStick(aDataStick, aIntendedRecipe))
-					return aIntendedRecipe;
-			}
-		}
-		return null;
-	}
-
-
-	/**
-	 * Finds an Assembly Line recipe from a DataStick.
-	 * @param aDataStick - The DataStick to check.
-	 * @return The GT_Recipe_AssemblyLine recipe contained on the DataStick, if any.
-	 */
-	public static GT_Recipe_AssemblyLine findAssemblyLineRecipeFromDataStick(ItemStack aDataStick) {	
-		return findAssemblyLineRecipeFromDataStick(aDataStick, false).getRecipe();
-	}
-
-	/**
-	 * Finds an Assembly Line recipe from a DataStick.
-	 * @param aDataStick - The DataStick to check.
-	 * @param aReturnBuiltRecipe - Do we return a GT_Recipe_AssemblyLine built from the data on the Data Stick instead of searching the Recipe Map?
-	 * @return The GT_Recipe_AssemblyLine recipe contained on the DataStick, if any.
-	 */
-	@Nonnull
-	public static LookupResult findAssemblyLineRecipeFromDataStick(ItemStack aDataStick, boolean aReturnBuiltRecipe) {
-		if (!isItemDataStick(aDataStick) || !doesDataStickHaveOutput(aDataStick)) {
-			return LookupResultType.INVALID_STICK.getResult();
-		}
-		List<ItemStack> aInputs = new ArrayList<>(15);
-		ItemStack aOutput = getDataStickOutput(aDataStick);
-		List<List<ItemStack>> mOreDictAlt = new ArrayList<>(15);
-		List<FluidStack> aFluidInputs = new ArrayList<>(4);
-
-		NBTTagCompound aTag = aDataStick.getTagCompound();
-		if (aTag == null) {
-			return LookupResultType.INVALID_STICK.getResult();
-		}
-
-		//Get From Cache
-		if (doesDataStickHaveRecipeHash(aDataStick)) {
-			GT_Recipe_AssemblyLine aRecipeFromCache = sRecipeCacheByRecipeHash.get(getHashFromDataStack(aDataStick));
-			if (aRecipeFromCache != null && GT_Utility.areStacksEqual(aOutput, aRecipeFromCache.mOutput)) {
-				return LookupResultType.VALID_STACK_AND_VALID_HASH.getResult(aRecipeFromCache);
-			} // else: no cache, or the old recipe run into a hash collision with a different new recipe
-		}
-
-		for (int i = 0; i < 15; i++) {
-			int count = aTag.getInteger("a" + i);
-			if (!aTag.hasKey("" + i) && count <= 0) {
-				continue;
-			}
-
-			List<ItemStack> tAltCurrent = new ArrayList<>();
-			for (int j = 0; j < count; j++) {
-				ItemStack tLoaded = GT_Utility.loadItem(aTag, "a" + i + ":" + j);
-				if (tLoaded == null) {
-					continue;
-				}
-				tAltCurrent.add(tLoaded);
-				if (GT_Values.D1) {
-					GT_FML_LOGGER.info("Item Alt " + i + " : " + tLoaded.getUnlocalizedName());
-				}
-			}
-			mOreDictAlt.add(tAltCurrent);
-			ItemStack tLoaded = GT_Utility.loadItem(aTag, "" + i);
-			if (tLoaded == null) {
-				continue;
-			}
-			aInputs.add(tLoaded);
-			if (GT_Values.D1) {
-				GT_FML_LOGGER.info("Item " + i + " : " + tLoaded.getUnlocalizedName());
-			}
-		}
-
-		if (GT_Values.D1) {
-			GT_FML_LOGGER.info("All Items done, start fluid check");
-		}
-		for (int i = 0; i < 4; i++) {
-			if (!aTag.hasKey("f" + i)) continue;
-			FluidStack tLoaded = GT_Utility.loadFluid(aTag, "f" + i);
-			if (tLoaded == null) continue;
-			aFluidInputs.add(tLoaded);
-			if (GT_Values.D1) {
-				GT_FML_LOGGER.info("Fluid " + i + " " + tLoaded.getUnlocalizedName());
-			}
-		}
-		if (!aTag.hasKey("output") || !aTag.hasKey("time") || aTag.getInteger("time") <= 0 || !aTag.hasKey("eu") || !GT_Utility.isStackValid(aOutput)) {
-			return LookupResultType.INVALID_STICK.getResult();
-		}
-		if (GT_Values.D1) {
-			GT_FML_LOGGER.info("Found Data Stick recipe");
-		}
-		
-		int aTime = aTag.getInteger("time");
-		int aEU = aTag.getInteger("eu");	
-
-		// Try build a recipe instance
-		if (aReturnBuiltRecipe) {
-			return LookupResultType.VALID_STACK_AND_VALID_HASH.getResult(new GT_Recipe_AssemblyLine(null, 0, aInputs.toArray(new ItemStack[0]), aFluidInputs.toArray(new FluidStack[0]), aOutput, aTime, aEU));
-		}
-
-
-		for (GT_Recipe_AssemblyLine aRecipe : GT_Recipe.GT_Recipe_AssemblyLine.sAssemblylineRecipes) {
-			if (aRecipe.mEUt != aEU || aRecipe.mDuration != aTime) continue;
-			if (!GT_Utility.areStacksEqual(aOutput, aRecipe.mOutput, true)) continue;
-			if (!GT_Utility.areStackListsEqual(Arrays.asList(aRecipe.mInputs), aInputs, false, true)) continue;
-			if (!Objects.equals(Arrays.asList(aRecipe.mFluidInputs), aFluidInputs)) continue;
-			if (!areStacksEqual(aRecipe.mOreDictAlt, mOreDictAlt)) continue;
-
-			// Cache it
-			String aRecipeHash = generateRecipeHash(aRecipe);
-			sRecipeCacheByRecipeHash.put(aRecipeHash, aRecipe);
-			sRecipeCacheByOutput.put(new GT_ItemStack(aRecipe.mOutput), aRecipe);
-			if (doesDataStickHaveRecipeHash(aDataStick)) {
-				String aStickHash = getHashFromDataStack(aDataStick);
-				if (aRecipeHash.equals(aStickHash))
-					return LookupResultType.VALID_STACK_AND_VALID_HASH.getResult(aRecipe);
-			}
-			return LookupResultType.VALID_STACK_AND_VALID_RECIPE.getResult(aRecipe);
-		}
-		return LookupResultType.VALID_STACK_BUT_INVALID_RECIPE.getResult();
-	}
-
-	private static boolean areStacksEqual(ItemStack[][] lhs, List<List<ItemStack>> rhs) {
-		for (int i = 0; i < lhs.length; i++) {
-			if (!areStacksEqual(lhs[i], rhs.get(i)))
-				return false;
-		}
-		return true;
-	}
-
-	private static boolean areStacksEqual(ItemStack[] lhs, List<ItemStack> rhs) {
-		return lhs == null ? rhs.isEmpty() : !rhs.isEmpty() && GT_Utility.areStackListsEqual(Arrays.asList(lhs), rhs, false, true);
-	}
-
-
-	/**
-	 * Finds a GT_Recipe_AssemblyLine based on the expected output ItemStack.
-	 * @param aOutput - The Output of a GT_Recipe_AssemblyLine.
-	 * @return First found GT_Recipe_AssemblyLine with matching output.
-	 */
-	public static GT_Recipe_AssemblyLine findAssemblyLineRecipeByOutput(ItemStack aOutput) {
-		if (aOutput == null) {
-			return null;
-		}	
-
-		// Check the cache
-		GT_ItemStack aCacheStack = new GT_ItemStack(aOutput);
-		GT_Recipe_AssemblyLine aRecipeFromCache = sRecipeCacheByOutput.get(aCacheStack);
-		if (aRecipeFromCache != null) {
-			return aRecipeFromCache;
-		}
-
-		// Iterate all recipes and return the first matching based on Output.
-		for (GT_Recipe_AssemblyLine aRecipe : GT_Recipe.GT_Recipe_AssemblyLine.sAssemblylineRecipes) {
-			ItemStack aRecipeOutput = aRecipe.mOutput;
-			if (GT_Utility.areStacksEqual(aRecipeOutput, aOutput)) {
-				// Cache it to prevent future iterations of all recipes
-				sRecipeCacheByOutput.put(aCacheStack, aRecipe);
-				sRecipeCacheByRecipeHash.put(generateRecipeHash(aRecipe), aRecipe);
-				return aRecipe;
-			}
-		}
-		return null;
-	}
-
-	/**
-	 * @param aRecipe - The recipe to generate a Recipe Hash String from.
-	 * @return The Recipe Hash String.
-	 */
-	public static String generateRecipeHash(GT_Recipe_AssemblyLine aRecipe) {
-		String aHash = "Invalid.Recipe.Hash";		
-		if (aRecipe != null) {
-			aHash = "Hash."+aRecipe.getPersistentHash();
-		}		
-		return aHash;
-	}
-
-	/**
-	 * @param aRecipe - The recipe to add to internal caches
-	 * @throws IllegalArgumentException if given recipe collide with any existing recipe in the cache
-	 */
-	public static void addRecipeToCache(GT_Recipe_AssemblyLine aRecipe) {
-		if (aRecipe != null) {
-			String aHash = "Hash." + aRecipe.getPersistentHash();
-			GT_Recipe_AssemblyLine existing = sRecipeCacheByOutput.put(new GT_ItemStack(aRecipe.mOutput), aRecipe);
-			if (existing != null)
-				throw new IllegalArgumentException("Duplicate assline recipe for " + aRecipe.mOutput);
-			existing = sRecipeCacheByRecipeHash.put(aHash, aRecipe);
-			if (existing != null && !existing.equals(aRecipe))
-				throw new IllegalArgumentException("Recipe hash collision for " + aRecipe + " and " + existing);
-		}
-	}
-
-	/**
-	 * @param aHash - Recipe hash String, may be null but will just be treated as invalid.
-	 * @return Is this Recipe Hash String valid?
-	 */
-	public static boolean isValidHash(String aHash) {
-		if (aHash != null && aHash.length() > 0) {
-			// persistent hash can never be 0
-			return !aHash.equals("Invalid.Recipe.Hash") && !aHash.equals("Hash.0");
-		}
-		return false;
-	}
-
-	/**
-	 * @param aStack - The ItemStack to check.
-	 * @return Is this ItemStack a Data Stick?
-	 */
-	public static boolean isItemDataStick(ItemStack aStack) {
-		return GT_Utility.isStackValid(aStack) && ItemList.Tool_DataStick.isStackEqual(aStack, false, true);
-	}
-
-	/**
-	 * @param aDataStick - The Data Stick to check.
-	 * @return Does this Data Stick have a valid output ItemStack?
-	 */
-	public static boolean doesDataStickHaveOutput(ItemStack aDataStick) {
-		if (isItemDataStick(aDataStick) && aDataStick.hasTagCompound() && aDataStick.getTagCompound().hasKey("output")) {
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * @param aDataStick - The Data Stick to check.
-	 * @return Does this Data Stick need recipe data updated.
-	 */
-	public static boolean doesDataStickNeedUpdate(ItemStack aDataStick) {
-		if (isItemDataStick(aDataStick) && doesDataStickHaveRecipeHash(aDataStick)) {
-			String aStickHash = getHashFromDataStack(aDataStick);
-			if (isValidHash(aStickHash) && doesDataStickHaveOutput(aDataStick)) {
-				ItemStack aStickOutput = getDataStickOutput(aDataStick);
-				GT_Recipe_AssemblyLine aIntendedRecipe = findAssemblyLineRecipeByOutput(aStickOutput);
-				if (aStickHash.equals(generateRecipeHash(aIntendedRecipe))) {
-					return false;
-				}				
-			}
-		}	
-		return true;
-	}
-
-	/**
-	 * @param aDataStick - The Data Stick to check.
-	 * @return Does this have a Recipe Hash String at all?
-	 */
-	public static boolean doesDataStickHaveRecipeHash(ItemStack aDataStick) {
-		if (isItemDataStick(aDataStick) && aDataStick.hasTagCompound()) {
-			NBTTagCompound aNBT = aDataStick.getTagCompound();
-			if (aNBT.hasKey("Data.Recipe.Hash") && !aNBT.getString("Data.Recipe.Hash").equals("Hash.0")) {
-				return true;
-			}
-		}
-		return false;
-	}
-
-	/**
-	 * Get the Output ItemStack from a Data Stick.
-	 * @param aDataStick - The Data Stick to check.
-	 * @return Output ItemStack contained on the Data Stick.
-	 */
-	public static ItemStack getDataStickOutput(ItemStack aDataStick) {
-		if (doesDataStickHaveOutput(aDataStick)) {
-			ItemStack aOutput = GT_Utility.loadItem(aDataStick.getTagCompound(), "output");
-			return aOutput;
-		}
-		return null;
-	}
-
-	/**
-	 * @param aDataStick - The Data Stick to process.
-	 * @return The stored Recipe Hash String on the Data Stick, will return an invalid Hash if one is not found. <p>
-	 * The hash will be guaranteed to pass isValidHash(). <p>
-	 * Will not return Null.
-	 */
-	public static String getHashFromDataStack(ItemStack aDataStick) {
-		if (isItemDataStick(aDataStick) && aDataStick.hasTagCompound()) {
-			NBTTagCompound aNBT = aDataStick.getTagCompound();
-			if (aNBT.hasKey("Data.Recipe.Hash", NBT.TAG_STRING)) {
-				String hash = aNBT.getString("Data.Recipe.Hash");
-				if (isValidHash(hash))
-					return hash;
-			}
-		}
-		return "Invalid.Recipe.Hash";
-	}
-
-	/**
-	 * 
-	 * @param aDataStick - The Data Stick to update.
-	 * @param aRecipeHash - The Recipe Hash String to update with.
-	 * @return Did we update the Recipe Hash String on the Data Stick?
-	 */
-	public static boolean setRecipeHashOnDataStick(ItemStack aDataStick, String aRecipeHash) {
-		if (isItemDataStick(aDataStick) && aDataStick.hasTagCompound()) {
-			NBTTagCompound aNBT = aDataStick.getTagCompound();
-			aNBT.setString("Data.Recipe.Hash", aRecipeHash);
-			aDataStick.setTagCompound(aNBT);
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * 
-	 * @param aDataStick - The Data Stick to update.
-	 * @param aNewRecipe - The New GT_Recipe_AssemblyLine recipe to update it with.
-	 * @return Did we set the new recipe data & Recipe Hash String on the Data Stick?
-	 */
-	public static boolean setAssemblyLineRecipeOnDataStick(ItemStack aDataStick, GT_Recipe_AssemblyLine aNewRecipe) {
-		if (isItemDataStick(aDataStick)) {
-			String s = aNewRecipe.mOutput.getDisplayName();
-			if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
-				s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mOutput.getDisplayName());
-				if (s == null) {
-					s = aNewRecipe.mOutput.getDisplayName();
-				}
-			}
-
-			String aHash = generateRecipeHash(aNewRecipe);
-			if (GT_Values.D1) {
-				GT_Recipe_AssemblyLine aOldRecipe = findAssemblyLineRecipeFromDataStick(aDataStick, true).recipe;
-				GT_FML_LOGGER.info("Updating data stick: "+aDataStick.getDisplayName()+" | Old Recipe Hash: "+generateRecipeHash(aOldRecipe)+", New Recipe Hash: "+aHash);
-			}
-
-			String author = "Assembling Line Recipe Generator";
-			String displayName = null;
-			if (aDataStick.hasTagCompound()) {
-				NBTTagCompound tag = aDataStick.getTagCompound();
-				if (tag.hasKey("author", NBT.TAG_STRING)) {
-					author = tag.getString("author");
-				}
-				if (tag.hasKey("display", NBT.TAG_COMPOUND)) {
-					NBTTagCompound displayTag = tag.getCompoundTag("display");
-					if (displayTag.hasKey("Name", NBT.TAG_STRING))
-						displayName = displayTag.getString("Name");
-				}
-			}
-
-			//remove possible old NBTTagCompound
-			aDataStick.setTagCompound(new NBTTagCompound());
-			if (displayName != null)
-				aDataStick.setStackDisplayName(displayName);
-			if (GT_Values.D1) {
-				GT_Utility.ItemNBT.setBookTitle(aDataStick, s + " Construction Data ("+aHash+")");				
-			}
-			else {
-				GT_Utility.ItemNBT.setBookTitle(aDataStick, s + " Construction Data");				
-			}
-
-			NBTTagCompound tNBT = aDataStick.getTagCompound();
-			if (tNBT == null) {
-				tNBT = new NBTTagCompound();
-			}
-
-			tNBT.setTag("output", aNewRecipe.mOutput.writeToNBT(new NBTTagCompound()));
-			tNBT.setInteger("time", aNewRecipe.mDuration);
-			tNBT.setInteger("eu", aNewRecipe.mEUt);
-			for (int i = 0; i < aNewRecipe.mInputs.length; i++) {
-				tNBT.setTag("" + i, aNewRecipe.mInputs[i].writeToNBT(new NBTTagCompound()));
-			}
-			for (int i = 0; i < aNewRecipe.mOreDictAlt.length; i++) {
-				if (aNewRecipe.mOreDictAlt[i] != null && aNewRecipe.mOreDictAlt[i].length > 0) {
-					tNBT.setInteger("a" + i, aNewRecipe.mOreDictAlt[i].length);
-					for (int j = 0; j < aNewRecipe.mOreDictAlt[i].length; j++) {
-						tNBT.setTag("a" + i + ":" + j, aNewRecipe.mOreDictAlt[i][j].writeToNBT(new NBTTagCompound()));
-					}
-				}
-			}
-			for (int i = 0; i < aNewRecipe.mFluidInputs.length; i++) {
-				tNBT.setTag("f" + i, aNewRecipe.mFluidInputs[i].writeToNBT(new NBTTagCompound()));
-			}
-			tNBT.setString("author", author);
-			NBTTagList tNBTList = new NBTTagList();
-			s = aNewRecipe.mOutput.getDisplayName();
-			if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
-				s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mOutput.getDisplayName());
-				if (s == null)
-					s = aNewRecipe.mOutput.getDisplayName();
-			}
-			tNBTList.appendTag(new NBTTagString("Construction plan for " + aNewRecipe.mOutput.stackSize + " " + s + ". Needed EU/t: " + aNewRecipe.mEUt + " Production time: " + (aNewRecipe.mDuration / 20)));
-			for (int i = 0; i < aNewRecipe.mInputs.length; i++) {
-				if (aNewRecipe.mOreDictAlt[i] != null) {
-					int count = 0;
-					StringBuilder tBuilder = new StringBuilder("Input Bus " + (i + 1) + ": ");
-					for (ItemStack tStack : aNewRecipe.mOreDictAlt[i]) {
-						if (tStack != null) {
-							s = tStack.getDisplayName();
-							if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
-								s = GT_Assemblyline_Server.lServerNames.get(tStack.getDisplayName());
-								if (s == null)
-									s = tStack.getDisplayName();
-							}
-
-
-							tBuilder.append(count == 0 ? "" : "\nOr ").append(tStack.stackSize).append(" ").append(s);
-							count++;
-						}
-					}
-					if (count > 0) tNBTList.appendTag(new NBTTagString(tBuilder.toString()));
-				} else if (aNewRecipe.mInputs[i] != null) {
-					s = aNewRecipe.mInputs[i].getDisplayName();
-					if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
-						s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mInputs[i].getDisplayName());
-						if (s == null)
-							s = aNewRecipe.mInputs[i].getDisplayName();
-					}
-					tNBTList.appendTag(new NBTTagString("Input Bus " + (i + 1) + ": " + aNewRecipe.mInputs[i].stackSize + " " + s));
-				}
-			}
-			for (int i = 0; i < aNewRecipe.mFluidInputs.length; i++) {
-				if (aNewRecipe.mFluidInputs[i] != null) {
-					s = aNewRecipe.mFluidInputs[i].getLocalizedName();
-					if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
-						s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mFluidInputs[i].getLocalizedName());
-						if (s == null)
-							s = aNewRecipe.mFluidInputs[i].getLocalizedName();
-					}
-					tNBTList.appendTag(new NBTTagString("Input Hatch " + (i + 1) + ": " + aNewRecipe.mFluidInputs[i].amount + "L " + s));
-				}
-			}
-			tNBT.setTag("pages", tNBTList);
-			tNBT.setLong("lastUpdate", System.currentTimeMillis());
-			aDataStick.setTagCompound(tNBT);
-			// Set recipe hash
-			setRecipeHashOnDataStick(aDataStick, aHash);
-			return true;
-		}
-		return false;
-	}
-
-	public enum LookupResultType {
-		INVALID_STICK(true),
-		VALID_STACK_BUT_INVALID_RECIPE(true),
-		VALID_STACK_AND_VALID_RECIPE(false),
-		VALID_STACK_AND_VALID_HASH(false);
-
-		private final boolean recipeNull;
-		private LookupResult singletonResult;
-
-		LookupResultType(boolean recipeNull) {
-			this.recipeNull = recipeNull;
-		}
-
-		public LookupResult getResult() {
-			if (!recipeNull)
-				throw new IllegalArgumentException("This result type require a nonnull recipe");
-			if (singletonResult == null)
-				singletonResult = new LookupResult(null, this);
-			return singletonResult;
-		}
-
-		public LookupResult getResult(GT_Recipe_AssemblyLine recipe) {
-			if ((recipe == null) != recipeNull)
-				throw new IllegalArgumentException("This result type does not allow given input");
-			return new LookupResult(recipe, this);
-		}
-	}
-
-	public static class LookupResult {
-		private final GT_Recipe_AssemblyLine recipe;
-		private final LookupResultType type;
-
-		LookupResult(GT_Recipe_AssemblyLine recipe, LookupResultType type) {
-			this.recipe = recipe;
-			this.type = type;
-		}
-
-		public GT_Recipe_AssemblyLine getRecipe() {
-			return recipe;
-		}
-
-		public LookupResultType getType() {
-			return type;
-		}
-	}
+    /**
+     * A cache of Recipes using the Output as Key.
+     */
+    private static HashMap<GT_ItemStack, GT_Recipe_AssemblyLine> sRecipeCacheByOutput =
+            new HashMap<GT_ItemStack, GT_Recipe_AssemblyLine>();
+    /**
+     * A cache of Recipes using the Recipe Hash String as Key.
+     */
+    private static HashMap<String, GT_Recipe_AssemblyLine> sRecipeCacheByRecipeHash =
+            new HashMap<String, GT_Recipe_AssemblyLine>();
+
+    /**
+     * Checks the DataStick for deprecated/invalid recipes, updating them as required.
+     * @param aDataStick - The DataStick to process
+     * @return Is this DataStick now valid with a current recipe?
+     */
+    public static GT_Recipe_AssemblyLine processDataStick(ItemStack aDataStick) {
+        if (!isItemDataStick(aDataStick)) {
+            return null;
+        }
+        if (doesDataStickNeedUpdate(aDataStick)) {
+            ItemStack aStickOutput = getDataStickOutput(aDataStick);
+            if (aStickOutput != null) {
+                GT_Recipe_AssemblyLine aIntendedRecipe = findAssemblyLineRecipeByOutput(aStickOutput);
+                if (aIntendedRecipe != null && setAssemblyLineRecipeOnDataStick(aDataStick, aIntendedRecipe))
+                    return aIntendedRecipe;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Finds an Assembly Line recipe from a DataStick.
+     * @param aDataStick - The DataStick to check.
+     * @return The GT_Recipe_AssemblyLine recipe contained on the DataStick, if any.
+     */
+    public static GT_Recipe_AssemblyLine findAssemblyLineRecipeFromDataStick(ItemStack aDataStick) {
+        return findAssemblyLineRecipeFromDataStick(aDataStick, false).getRecipe();
+    }
+
+    /**
+     * Finds an Assembly Line recipe from a DataStick.
+     * @param aDataStick - The DataStick to check.
+     * @param aReturnBuiltRecipe - Do we return a GT_Recipe_AssemblyLine built from the data on the Data Stick instead of searching the Recipe Map?
+     * @return The GT_Recipe_AssemblyLine recipe contained on the DataStick, if any.
+     */
+    @Nonnull
+    public static LookupResult findAssemblyLineRecipeFromDataStick(ItemStack aDataStick, boolean aReturnBuiltRecipe) {
+        if (!isItemDataStick(aDataStick) || !doesDataStickHaveOutput(aDataStick)) {
+            return LookupResultType.INVALID_STICK.getResult();
+        }
+        List<ItemStack> aInputs = new ArrayList<>(15);
+        ItemStack aOutput = getDataStickOutput(aDataStick);
+        List<List<ItemStack>> mOreDictAlt = new ArrayList<>(15);
+        List<FluidStack> aFluidInputs = new ArrayList<>(4);
+
+        NBTTagCompound aTag = aDataStick.getTagCompound();
+        if (aTag == null) {
+            return LookupResultType.INVALID_STICK.getResult();
+        }
+
+        // Get From Cache
+        if (doesDataStickHaveRecipeHash(aDataStick)) {
+            GT_Recipe_AssemblyLine aRecipeFromCache = sRecipeCacheByRecipeHash.get(getHashFromDataStack(aDataStick));
+            if (aRecipeFromCache != null && GT_Utility.areStacksEqual(aOutput, aRecipeFromCache.mOutput)) {
+                return LookupResultType.VALID_STACK_AND_VALID_HASH.getResult(aRecipeFromCache);
+            } // else: no cache, or the old recipe run into a hash collision with a different new recipe
+        }
+
+        for (int i = 0; i < 15; i++) {
+            int count = aTag.getInteger("a" + i);
+            if (!aTag.hasKey("" + i) && count <= 0) {
+                continue;
+            }
+
+            List<ItemStack> tAltCurrent = new ArrayList<>();
+            for (int j = 0; j < count; j++) {
+                ItemStack tLoaded = GT_Utility.loadItem(aTag, "a" + i + ":" + j);
+                if (tLoaded == null) {
+                    continue;
+                }
+                tAltCurrent.add(tLoaded);
+                if (GT_Values.D1) {
+                    GT_FML_LOGGER.info("Item Alt " + i + " : " + tLoaded.getUnlocalizedName());
+                }
+            }
+            mOreDictAlt.add(tAltCurrent);
+            ItemStack tLoaded = GT_Utility.loadItem(aTag, "" + i);
+            if (tLoaded == null) {
+                continue;
+            }
+            aInputs.add(tLoaded);
+            if (GT_Values.D1) {
+                GT_FML_LOGGER.info("Item " + i + " : " + tLoaded.getUnlocalizedName());
+            }
+        }
+
+        if (GT_Values.D1) {
+            GT_FML_LOGGER.info("All Items done, start fluid check");
+        }
+        for (int i = 0; i < 4; i++) {
+            if (!aTag.hasKey("f" + i)) continue;
+            FluidStack tLoaded = GT_Utility.loadFluid(aTag, "f" + i);
+            if (tLoaded == null) continue;
+            aFluidInputs.add(tLoaded);
+            if (GT_Values.D1) {
+                GT_FML_LOGGER.info("Fluid " + i + " " + tLoaded.getUnlocalizedName());
+            }
+        }
+        if (!aTag.hasKey("output")
+                || !aTag.hasKey("time")
+                || aTag.getInteger("time") <= 0
+                || !aTag.hasKey("eu")
+                || !GT_Utility.isStackValid(aOutput)) {
+            return LookupResultType.INVALID_STICK.getResult();
+        }
+        if (GT_Values.D1) {
+            GT_FML_LOGGER.info("Found Data Stick recipe");
+        }
+
+        int aTime = aTag.getInteger("time");
+        int aEU = aTag.getInteger("eu");
+
+        // Try build a recipe instance
+        if (aReturnBuiltRecipe) {
+            return LookupResultType.VALID_STACK_AND_VALID_HASH.getResult(new GT_Recipe_AssemblyLine(
+                    null,
+                    0,
+                    aInputs.toArray(new ItemStack[0]),
+                    aFluidInputs.toArray(new FluidStack[0]),
+                    aOutput,
+                    aTime,
+                    aEU));
+        }
+
+        for (GT_Recipe_AssemblyLine aRecipe : GT_Recipe.GT_Recipe_AssemblyLine.sAssemblylineRecipes) {
+            if (aRecipe.mEUt != aEU || aRecipe.mDuration != aTime) continue;
+            if (!GT_Utility.areStacksEqual(aOutput, aRecipe.mOutput, true)) continue;
+            if (!GT_Utility.areStackListsEqual(Arrays.asList(aRecipe.mInputs), aInputs, false, true)) continue;
+            if (!Objects.equals(Arrays.asList(aRecipe.mFluidInputs), aFluidInputs)) continue;
+            if (!areStacksEqual(aRecipe.mOreDictAlt, mOreDictAlt)) continue;
+
+            // Cache it
+            String aRecipeHash = generateRecipeHash(aRecipe);
+            sRecipeCacheByRecipeHash.put(aRecipeHash, aRecipe);
+            sRecipeCacheByOutput.put(new GT_ItemStack(aRecipe.mOutput), aRecipe);
+            if (doesDataStickHaveRecipeHash(aDataStick)) {
+                String aStickHash = getHashFromDataStack(aDataStick);
+                if (aRecipeHash.equals(aStickHash))
+                    return LookupResultType.VALID_STACK_AND_VALID_HASH.getResult(aRecipe);
+            }
+            return LookupResultType.VALID_STACK_AND_VALID_RECIPE.getResult(aRecipe);
+        }
+        return LookupResultType.VALID_STACK_BUT_INVALID_RECIPE.getResult();
+    }
+
+    private static boolean areStacksEqual(ItemStack[][] lhs, List<List<ItemStack>> rhs) {
+        for (int i = 0; i < lhs.length; i++) {
+            if (!areStacksEqual(lhs[i], rhs.get(i))) return false;
+        }
+        return true;
+    }
+
+    private static boolean areStacksEqual(ItemStack[] lhs, List<ItemStack> rhs) {
+        return lhs == null
+                ? rhs.isEmpty()
+                : !rhs.isEmpty() && GT_Utility.areStackListsEqual(Arrays.asList(lhs), rhs, false, true);
+    }
+
+    /**
+     * Finds a GT_Recipe_AssemblyLine based on the expected output ItemStack.
+     * @param aOutput - The Output of a GT_Recipe_AssemblyLine.
+     * @return First found GT_Recipe_AssemblyLine with matching output.
+     */
+    public static GT_Recipe_AssemblyLine findAssemblyLineRecipeByOutput(ItemStack aOutput) {
+        if (aOutput == null) {
+            return null;
+        }
+
+        // Check the cache
+        GT_ItemStack aCacheStack = new GT_ItemStack(aOutput);
+        GT_Recipe_AssemblyLine aRecipeFromCache = sRecipeCacheByOutput.get(aCacheStack);
+        if (aRecipeFromCache != null) {
+            return aRecipeFromCache;
+        }
+
+        // Iterate all recipes and return the first matching based on Output.
+        for (GT_Recipe_AssemblyLine aRecipe : GT_Recipe.GT_Recipe_AssemblyLine.sAssemblylineRecipes) {
+            ItemStack aRecipeOutput = aRecipe.mOutput;
+            if (GT_Utility.areStacksEqual(aRecipeOutput, aOutput)) {
+                // Cache it to prevent future iterations of all recipes
+                sRecipeCacheByOutput.put(aCacheStack, aRecipe);
+                sRecipeCacheByRecipeHash.put(generateRecipeHash(aRecipe), aRecipe);
+                return aRecipe;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * @param aRecipe - The recipe to generate a Recipe Hash String from.
+     * @return The Recipe Hash String.
+     */
+    public static String generateRecipeHash(GT_Recipe_AssemblyLine aRecipe) {
+        String aHash = "Invalid.Recipe.Hash";
+        if (aRecipe != null) {
+            aHash = "Hash." + aRecipe.getPersistentHash();
+        }
+        return aHash;
+    }
+
+    /**
+     * @param aRecipe - The recipe to add to internal caches
+     * @throws IllegalArgumentException if given recipe collide with any existing recipe in the cache
+     */
+    public static void addRecipeToCache(GT_Recipe_AssemblyLine aRecipe) {
+        if (aRecipe != null) {
+            String aHash = "Hash." + aRecipe.getPersistentHash();
+            GT_Recipe_AssemblyLine existing = sRecipeCacheByOutput.put(new GT_ItemStack(aRecipe.mOutput), aRecipe);
+            if (existing != null) throw new IllegalArgumentException("Duplicate assline recipe for " + aRecipe.mOutput);
+            existing = sRecipeCacheByRecipeHash.put(aHash, aRecipe);
+            if (existing != null && !existing.equals(aRecipe))
+                throw new IllegalArgumentException("Recipe hash collision for " + aRecipe + " and " + existing);
+        }
+    }
+
+    /**
+     * @param aHash - Recipe hash String, may be null but will just be treated as invalid.
+     * @return Is this Recipe Hash String valid?
+     */
+    public static boolean isValidHash(String aHash) {
+        if (aHash != null && aHash.length() > 0) {
+            // persistent hash can never be 0
+            return !aHash.equals("Invalid.Recipe.Hash") && !aHash.equals("Hash.0");
+        }
+        return false;
+    }
+
+    /**
+     * @param aStack - The ItemStack to check.
+     * @return Is this ItemStack a Data Stick?
+     */
+    public static boolean isItemDataStick(ItemStack aStack) {
+        return GT_Utility.isStackValid(aStack) && ItemList.Tool_DataStick.isStackEqual(aStack, false, true);
+    }
+
+    /**
+     * @param aDataStick - The Data Stick to check.
+     * @return Does this Data Stick have a valid output ItemStack?
+     */
+    public static boolean doesDataStickHaveOutput(ItemStack aDataStick) {
+        if (isItemDataStick(aDataStick)
+                && aDataStick.hasTagCompound()
+                && aDataStick.getTagCompound().hasKey("output")) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * @param aDataStick - The Data Stick to check.
+     * @return Does this Data Stick need recipe data updated.
+     */
+    public static boolean doesDataStickNeedUpdate(ItemStack aDataStick) {
+        if (isItemDataStick(aDataStick) && doesDataStickHaveRecipeHash(aDataStick)) {
+            String aStickHash = getHashFromDataStack(aDataStick);
+            if (isValidHash(aStickHash) && doesDataStickHaveOutput(aDataStick)) {
+                ItemStack aStickOutput = getDataStickOutput(aDataStick);
+                GT_Recipe_AssemblyLine aIntendedRecipe = findAssemblyLineRecipeByOutput(aStickOutput);
+                if (aStickHash.equals(generateRecipeHash(aIntendedRecipe))) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+    /**
+     * @param aDataStick - The Data Stick to check.
+     * @return Does this have a Recipe Hash String at all?
+     */
+    public static boolean doesDataStickHaveRecipeHash(ItemStack aDataStick) {
+        if (isItemDataStick(aDataStick) && aDataStick.hasTagCompound()) {
+            NBTTagCompound aNBT = aDataStick.getTagCompound();
+            if (aNBT.hasKey("Data.Recipe.Hash")
+                    && !aNBT.getString("Data.Recipe.Hash").equals("Hash.0")) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Get the Output ItemStack from a Data Stick.
+     * @param aDataStick - The Data Stick to check.
+     * @return Output ItemStack contained on the Data Stick.
+     */
+    public static ItemStack getDataStickOutput(ItemStack aDataStick) {
+        if (doesDataStickHaveOutput(aDataStick)) {
+            ItemStack aOutput = GT_Utility.loadItem(aDataStick.getTagCompound(), "output");
+            return aOutput;
+        }
+        return null;
+    }
+
+    /**
+     * @param aDataStick - The Data Stick to process.
+     * @return The stored Recipe Hash String on the Data Stick, will return an invalid Hash if one is not found. <p>
+     * The hash will be guaranteed to pass isValidHash(). <p>
+     * Will not return Null.
+     */
+    public static String getHashFromDataStack(ItemStack aDataStick) {
+        if (isItemDataStick(aDataStick) && aDataStick.hasTagCompound()) {
+            NBTTagCompound aNBT = aDataStick.getTagCompound();
+            if (aNBT.hasKey("Data.Recipe.Hash", NBT.TAG_STRING)) {
+                String hash = aNBT.getString("Data.Recipe.Hash");
+                if (isValidHash(hash)) return hash;
+            }
+        }
+        return "Invalid.Recipe.Hash";
+    }
+
+    /**
+     *
+     * @param aDataStick - The Data Stick to update.
+     * @param aRecipeHash - The Recipe Hash String to update with.
+     * @return Did we update the Recipe Hash String on the Data Stick?
+     */
+    public static boolean setRecipeHashOnDataStick(ItemStack aDataStick, String aRecipeHash) {
+        if (isItemDataStick(aDataStick) && aDataStick.hasTagCompound()) {
+            NBTTagCompound aNBT = aDataStick.getTagCompound();
+            aNBT.setString("Data.Recipe.Hash", aRecipeHash);
+            aDataStick.setTagCompound(aNBT);
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     *
+     * @param aDataStick - The Data Stick to update.
+     * @param aNewRecipe - The New GT_Recipe_AssemblyLine recipe to update it with.
+     * @return Did we set the new recipe data & Recipe Hash String on the Data Stick?
+     */
+    public static boolean setAssemblyLineRecipeOnDataStick(ItemStack aDataStick, GT_Recipe_AssemblyLine aNewRecipe) {
+        if (isItemDataStick(aDataStick)) {
+            String s = aNewRecipe.mOutput.getDisplayName();
+            if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
+                s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mOutput.getDisplayName());
+                if (s == null) {
+                    s = aNewRecipe.mOutput.getDisplayName();
+                }
+            }
+
+            String aHash = generateRecipeHash(aNewRecipe);
+            if (GT_Values.D1) {
+                GT_Recipe_AssemblyLine aOldRecipe = findAssemblyLineRecipeFromDataStick(aDataStick, true).recipe;
+                GT_FML_LOGGER.info("Updating data stick: " + aDataStick.getDisplayName() + " | Old Recipe Hash: "
+                        + generateRecipeHash(aOldRecipe) + ", New Recipe Hash: " + aHash);
+            }
+
+            String author = "Assembling Line Recipe Generator";
+            String displayName = null;
+            if (aDataStick.hasTagCompound()) {
+                NBTTagCompound tag = aDataStick.getTagCompound();
+                if (tag.hasKey("author", NBT.TAG_STRING)) {
+                    author = tag.getString("author");
+                }
+                if (tag.hasKey("display", NBT.TAG_COMPOUND)) {
+                    NBTTagCompound displayTag = tag.getCompoundTag("display");
+                    if (displayTag.hasKey("Name", NBT.TAG_STRING)) displayName = displayTag.getString("Name");
+                }
+            }
+
+            // remove possible old NBTTagCompound
+            aDataStick.setTagCompound(new NBTTagCompound());
+            if (displayName != null) aDataStick.setStackDisplayName(displayName);
+            if (GT_Values.D1) {
+                GT_Utility.ItemNBT.setBookTitle(aDataStick, s + " Construction Data (" + aHash + ")");
+            } else {
+                GT_Utility.ItemNBT.setBookTitle(aDataStick, s + " Construction Data");
+            }
+
+            NBTTagCompound tNBT = aDataStick.getTagCompound();
+            if (tNBT == null) {
+                tNBT = new NBTTagCompound();
+            }
+
+            tNBT.setTag("output", aNewRecipe.mOutput.writeToNBT(new NBTTagCompound()));
+            tNBT.setInteger("time", aNewRecipe.mDuration);
+            tNBT.setInteger("eu", aNewRecipe.mEUt);
+            for (int i = 0; i < aNewRecipe.mInputs.length; i++) {
+                tNBT.setTag("" + i, aNewRecipe.mInputs[i].writeToNBT(new NBTTagCompound()));
+            }
+            for (int i = 0; i < aNewRecipe.mOreDictAlt.length; i++) {
+                if (aNewRecipe.mOreDictAlt[i] != null && aNewRecipe.mOreDictAlt[i].length > 0) {
+                    tNBT.setInteger("a" + i, aNewRecipe.mOreDictAlt[i].length);
+                    for (int j = 0; j < aNewRecipe.mOreDictAlt[i].length; j++) {
+                        tNBT.setTag("a" + i + ":" + j, aNewRecipe.mOreDictAlt[i][j].writeToNBT(new NBTTagCompound()));
+                    }
+                }
+            }
+            for (int i = 0; i < aNewRecipe.mFluidInputs.length; i++) {
+                tNBT.setTag("f" + i, aNewRecipe.mFluidInputs[i].writeToNBT(new NBTTagCompound()));
+            }
+            tNBT.setString("author", author);
+            NBTTagList tNBTList = new NBTTagList();
+            s = aNewRecipe.mOutput.getDisplayName();
+            if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
+                s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mOutput.getDisplayName());
+                if (s == null) s = aNewRecipe.mOutput.getDisplayName();
+            }
+            tNBTList.appendTag(new NBTTagString("Construction plan for " + aNewRecipe.mOutput.stackSize + " " + s
+                    + ". Needed EU/t: " + aNewRecipe.mEUt + " Production time: " + (aNewRecipe.mDuration / 20)));
+            for (int i = 0; i < aNewRecipe.mInputs.length; i++) {
+                if (aNewRecipe.mOreDictAlt[i] != null) {
+                    int count = 0;
+                    StringBuilder tBuilder = new StringBuilder("Input Bus " + (i + 1) + ": ");
+                    for (ItemStack tStack : aNewRecipe.mOreDictAlt[i]) {
+                        if (tStack != null) {
+                            s = tStack.getDisplayName();
+                            if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
+                                s = GT_Assemblyline_Server.lServerNames.get(tStack.getDisplayName());
+                                if (s == null) s = tStack.getDisplayName();
+                            }
+
+                            tBuilder.append(count == 0 ? "" : "\nOr ")
+                                    .append(tStack.stackSize)
+                                    .append(" ")
+                                    .append(s);
+                            count++;
+                        }
+                    }
+                    if (count > 0) tNBTList.appendTag(new NBTTagString(tBuilder.toString()));
+                } else if (aNewRecipe.mInputs[i] != null) {
+                    s = aNewRecipe.mInputs[i].getDisplayName();
+                    if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
+                        s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mInputs[i].getDisplayName());
+                        if (s == null) s = aNewRecipe.mInputs[i].getDisplayName();
+                    }
+                    tNBTList.appendTag(new NBTTagString(
+                            "Input Bus " + (i + 1) + ": " + aNewRecipe.mInputs[i].stackSize + " " + s));
+                }
+            }
+            for (int i = 0; i < aNewRecipe.mFluidInputs.length; i++) {
+                if (aNewRecipe.mFluidInputs[i] != null) {
+                    s = aNewRecipe.mFluidInputs[i].getLocalizedName();
+                    if (FMLCommonHandler.instance().getEffectiveSide().isServer()) {
+                        s = GT_Assemblyline_Server.lServerNames.get(aNewRecipe.mFluidInputs[i].getLocalizedName());
+                        if (s == null) s = aNewRecipe.mFluidInputs[i].getLocalizedName();
+                    }
+                    tNBTList.appendTag(new NBTTagString(
+                            "Input Hatch " + (i + 1) + ": " + aNewRecipe.mFluidInputs[i].amount + "L " + s));
+                }
+            }
+            tNBT.setTag("pages", tNBTList);
+            tNBT.setLong("lastUpdate", System.currentTimeMillis());
+            aDataStick.setTagCompound(tNBT);
+            // Set recipe hash
+            setRecipeHashOnDataStick(aDataStick, aHash);
+            return true;
+        }
+        return false;
+    }
+
+    public enum LookupResultType {
+        INVALID_STICK(true),
+        VALID_STACK_BUT_INVALID_RECIPE(true),
+        VALID_STACK_AND_VALID_RECIPE(false),
+        VALID_STACK_AND_VALID_HASH(false);
+
+        private final boolean recipeNull;
+        private LookupResult singletonResult;
+
+        LookupResultType(boolean recipeNull) {
+            this.recipeNull = recipeNull;
+        }
+
+        public LookupResult getResult() {
+            if (!recipeNull) throw new IllegalArgumentException("This result type require a nonnull recipe");
+            if (singletonResult == null) singletonResult = new LookupResult(null, this);
+            return singletonResult;
+        }
+
+        public LookupResult getResult(GT_Recipe_AssemblyLine recipe) {
+            if ((recipe == null) != recipeNull)
+                throw new IllegalArgumentException("This result type does not allow given input");
+            return new LookupResult(recipe, this);
+        }
+    }
+
+    public static class LookupResult {
+        private final GT_Recipe_AssemblyLine recipe;
+        private final LookupResultType type;
+
+        LookupResult(GT_Recipe_AssemblyLine recipe, LookupResultType type) {
+            this.recipe = recipe;
+            this.type = type;
+        }
+
+        public GT_Recipe_AssemblyLine getRecipe() {
+            return recipe;
+        }
+
+        public LookupResultType getType() {
+            return type;
+        }
+    }
 }