package ihl.utils;

import ic2.api.recipe.IRecipeInput;
import ic2.api.recipe.RecipeInputItemStack;
import ic2.api.recipe.RecipeInputOreDict;
import ic2.api.recipe.Recipes;
import ic2.core.BasicMachineRecipeManager;
import ic2.core.IC2;
import ic2.core.block.invslot.InvSlotOutput;
import ihl.IHLMod;
import ihl.interfaces.IEnergyNetNode;
import ihl.interfaces.IMultiPowerCableHolder;
import ihl.interfaces.IWire;
import ihl.metallurgy.constants.*;
import ihl.processing.invslots.InvSlotConsumableLiquidIHL;
import ihl.recipes.IRecipeInputFluid;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;

import org.apache.commons.lang3.mutable.MutableObject;

import cpw.mods.fml.common.registry.GameRegistry;
import net.minecraft.block.Block;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.server.MinecraftServer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.MathHelper;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.NibbleArray;
import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
import net.minecraftforge.fluids.FluidRegistry;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.fluids.IFluidTank;
import net.minecraftforge.oredict.OreDictionary;

public class IHLUtils {
	private static Map<String, ItemStack> ihlItemStackRegistry = new HashMap<String, ItemStack>();
	private static final String Digits = "(\\p{Digit}+)";
	private static final String HexDigits = "(\\p{XDigit}+)";
	private static final String Exp = "[eE][+-]?" + Digits;
	private static final String fpRegex = ("[\\x00-\\x20]*" + // Optional
																// leading
																// "whitespace"
			"[+-]?(" + // Optional sign character
			"NaN|" + // "NaN" string
			"Infinity|" + // "Infinity" string
			"(((" + Digits + "(\\.)?(" + Digits + "?)(" + Exp + ")?)|" + "(\\.(" + Digits + ")(" + Exp + ")?)|" + "(("
			+ "(0[xX]" + HexDigits + "(\\.)?)|" + "(0[xX]" + HexDigits + "?(\\.)" + HexDigits + ")" + ")[pP][+-]?"
			+ Digits + "))" + "[fFdD]?))" + "[\\x00-\\x20]*");// Optional
																// trailing
																// "whitespace"

	public static void registerLocally(String name, ItemStack stack) {
		ihlItemStackRegistry.put(name, stack);
	}

	public static ItemStack getOreDictItemStack(String name) {
		ItemStack ore = OreDictionary.getOres(name).get(0);
		if (ore == null)
			return null;
		ItemStack orecopy = ore.copy();
		orecopy.stackSize = 1;
		return orecopy;
	}

	public static boolean hasOreDictionaryEntry(String name) {
		return !OreDictionary.getOres(name).isEmpty();
	}

	public static Item getOreDictItem(String name) {
		return OreDictionary.getOres(name).get(0).getItem();
	}

	public static Block getOreDictBlock(String name) {
		return Block.getBlockFromItem(OreDictionary.getOres(name).get(0).getItem());
	}

	public static ItemStack getOreDictItemStackWithSize(String name, int size) {
		ItemStack ore = OreDictionary.getOres(name).get(0);
		if (ore == null)
			return null;
		ItemStack orecopy = ore.copy();
		orecopy.stackSize = size;
		return orecopy;
	}

	public static String getFirstOreDictName(ItemStack stack) {
		int[] arrayIDs = OreDictionary.getOreIDs(stack);
		if (arrayIDs.length > 0) {
			return OreDictionary.getOreName(arrayIDs[0]);
		}
		return "";
	}

	public static ItemStack getThisModItemStack(String name) {
		if (ihlItemStackRegistry.get(name) != null) {
			return ihlItemStackRegistry.get(name).copy();
		}
		if (GameRegistry.findItem("ihl", name) != null) {
			return new ItemStack(GameRegistry.findItem("ihl", name));
		} else if (GameRegistry.findBlock("ihl", name) == null) {
			throw new IllegalArgumentException("No such item in item registry: ihl:" + name);
		} else {
			return new ItemStack(GameRegistry.findBlock("ihl", name));
		}
	}

	public static ItemStack getThisModItemStackWithSize(String name, int i) {
		if (ihlItemStackRegistry.get(name) != null) {
			ItemStack stack = ihlItemStackRegistry.get(name).copy();
			stack.stackSize = i;
			return stack;
		}
		if (GameRegistry.findItem("ihl", name) != null) {
			return new ItemStack(GameRegistry.findItem("ihl", name), i);
		} else if (GameRegistry.findBlock("ihl", name) == null) {
			throw new IllegalArgumentException("No such item in item registry: ihl:" + name);
		} else {
			return new ItemStack(GameRegistry.findBlock("ihl", name), i);
		}
	}

	public static ItemStack getOtherModItemStackWithDamage(String modname, String name, int damage, int quantity) {
		if (GameRegistry.findItem(modname, name) != null) {
			return new ItemStack(GameRegistry.findItem(modname, name), quantity, damage);
		} else if (GameRegistry.findBlock(modname, name) == null) {
			return null;
		} else {
			return new ItemStack(GameRegistry.findBlock(modname, name), quantity, damage);
		}
	}

	public static Item getThisModItem(String name) {
		if (GameRegistry.findItem("ihl", name) != null) {
			return GameRegistry.findItem("ihl", name);
		} else if (GameRegistry.findBlock("ihl", name) == null) {
			throw new IllegalArgumentException("No such item in item registry: ihl:" + name);
		} else {
			return Item.getItemFromBlock(GameRegistry.findBlock("ihl", name));
		}
	}

	public static FluidStack getFluidStackWithSize(String name, int i) {
		if (FluidRegistry.isFluidRegistered(name)) {
			return FluidRegistry.getFluidStack(name, i);
		} else {
			throw new IllegalArgumentException("No such fluid: " + name);
		}
	}

	public static Block getThisModBlock(String name) {
		if (GameRegistry.findBlock("ihl", name) == null) {
			throw new IllegalArgumentException("No such block in item registry: ihl:" + name);
		} else {
			return GameRegistry.findBlock("ihl", name);
		}
	}

	public static ItemStack getThisModItemStackWithDamage(String name, int value) {
		ItemStack stack = getThisModItemStack(name);
		stack.setItemDamage(value);
		return stack;
	}

	public static boolean adjustWireLength(ItemStack stack, int adjustBy) {
		int length = getWireLength(stack);
		if (length <= 0) {
			return true;
		} else {
			int newLength = Math.max(length + adjustBy, 0);
			stack.stackTagCompound.setInteger(((IWire) stack.getItem()).getTag(), newLength);
			stack.stackTagCompound.setInteger(((IWire) stack.getItem()).getTagSecondary(), newLength);
			if (newLength == 0) {
				return true;
			}
			return false;
		}
	}

	public static int getWireLength(ItemStack itemStack) {
		return itemStack.stackTagCompound.getInteger(((IWire) itemStack.getItem()).getTag());
	}

	public static ItemStack getThisModWireItemStackWithLength(String name, int i) {
		if (getThisModItemStack(name) != null) {
			ItemStack stack = getThisModItemStack(name);
			if (stack.getItem() instanceof IWire) {
				stack.stackTagCompound = new NBTTagCompound();
				stack.stackTagCompound.setInteger(((IWire) stack.getItem()).getTag(), i);
				stack.stackTagCompound.setInteger(((IWire) stack.getItem()).getTagSecondary(), i);
				return stack;
			} else {
				throw new IllegalArgumentException("ihl:" + name + " is not an instance of IWire.");
			}
		} else {
			throw new IllegalArgumentException("No such item in item registry: ihl:" + name);
		}
	}

	public static ItemStack getThisModWireItemStackWithLength(ItemStack stack1, int i) {
		ItemStack stack = stack1.copy();
		if (stack1.getItem() instanceof IWire) {
			stack.stackTagCompound = new NBTTagCompound();
			stack.stackTagCompound.setInteger(((IWire) stack.getItem()).getTag(), i);
			stack.stackTagCompound.setInteger(((IWire) stack.getItem()).getTagSecondary(), i);
			return stack;
		} else {
			throw new IllegalArgumentException(stack1.getUnlocalizedName() + " is not an instance of IWire.");
		}
	}

	public static boolean isItemsHaveSameOreDictionaryEntry(ItemStack is, ItemStack is1) {
		int[] odids1 = OreDictionary.getOreIDs(is);
		int[] odids2 = OreDictionary.getOreIDs(is1);
		if (odids1 != null && odids1.length > 0 && odids2 != null && odids2.length > 0) {
			for (int i1 = 0; i1 < odids1.length; i1++) {
				for (int i2 = 0; i2 < odids2.length; i2++) {
					if (!OreDictionary.getOreName(odids1[i1]).contains("Any") && odids1[i1] == odids2[i2]) {
						return true;
					}
				}
			}
		}
		return false;
	}

	public static List<ItemStack> getEntryListForOre(String name) {
		ArrayList<ItemStack> outputList = new ArrayList<ItemStack>();
		ArrayList<ItemStack> oreList = OreDictionary.getOres(name);
		Iterator<ItemStack> oreListIterator = oreList.iterator();
		while (oreListIterator.hasNext()) {
			outputList.add(oreListIterator.next().copy());
		}
		return outputList;
	}

	public static ItemStack getItemStackIfExist(String name) {
		if (hasOreDictionaryEntry(name)) {
			return getOreDictItemStack(name);
		} else {
			if (ihlItemStackRegistry.get(name) != null) {
				return ihlItemStackRegistry.get(name).copy();
			}
			if (GameRegistry.findItem("ihl", name) != null) {
				return new ItemStack(GameRegistry.findItem("ihl", name));
			} else if (GameRegistry.findBlock("ihl", name) == null) {
				return null;
			} else {
				return new ItemStack(GameRegistry.findBlock("ihl", name));
			}
		}
	}

	public static FluidStack getFluidStackIfExist(String string, int meltingFluidAmount) {
		if (FluidRegistry.isFluidRegistered(string)) {
			return getFluidStackWithSize(string, meltingFluidAmount);
		}
		return null;
	}

	public static boolean addItemStackToInventory(EntityPlayer player, ItemStack stack) {
		ItemStack[] inv = player.inventory.mainInventory;
		for (int i = 0; i <= 35; i++) {
			if (inv[i] != null) {
				if (inv[i].getItem() == stack.getItem()) {
					if (inv[i].getItemDamage() == stack.getItemDamage()
							&& inv[i].stackSize < inv[i].getMaxStackSize()) {
						inv[i].stackSize += stack.stackSize;
						if (inv[i].stackSize > inv[i].getMaxStackSize()) {
							stack.stackSize = inv[i].stackSize - inv[i].getMaxStackSize();
						} else {
							return true;
						}
					}
				}
			} else {
				inv[i] = stack;
				return true;
			}
		}
		return false;
	}

	public static FluidStack getFluidStackWithSizeChemicallyPure(String name, int amount) {
		FluidStack fstack = getFluidStackWithSize(name, amount);
		fstack.tag = new NBTTagCompound();
		fstack.tag.setBoolean("chemicallyPure", true);
		return fstack;
	}

	public static void removeItemStackFromOreDictionaryEntry(String orename, ItemStack itemStack) {
		ArrayList<ItemStack> orelist = OreDictionary.getOres(orename);
		Iterator<ItemStack> oreListIterator = orelist.iterator();
		ItemStack odstack = null;
		while (oreListIterator.hasNext()) {
			odstack = oreListIterator.next();
			if (odstack.getItem() == itemStack.getItem()) {
				break;
			} else {
				odstack = null;
			}
		}
		if (odstack != null) {
			orelist.remove(odstack);
			IHLMod.log.debug("Stack " + odstack.getDisplayName() + " (" + odstack.toString() + ")"
					+ " removed from ore entry '" + orename + "'");
		}
	}

	public static void addIC2MaceratorRecipe(String input, ItemStack output) {
		if (Recipes.macerator.getOutputFor(getOreDictItemStack(input), false) == null) {
			((BasicMachineRecipeManager) Recipes.macerator).addRecipe(new RecipeInputOreDict(input),
					new NBTTagCompound(), true, output);
		} else {
			// IHLMod.log.info("IC2 macerator recipe for "+input+" already
			// exist. Skipped.");
		}
	}

	public static void addIC2MaceratorRecipe(String input, int stacksize, ItemStack output) {
		if (Recipes.macerator.getOutputFor(getOreDictItemStackWithSize(input, stacksize), false) == null) {
			((BasicMachineRecipeManager) Recipes.macerator).addRecipe(new RecipeInputOreDict(input, stacksize),
					new NBTTagCompound(), true, output);
		} else {
			// IHLMod.log.info("IC2 macerator recipe for "+input+" already
			// exist. Skipped.");
		}
	}

	public static void addIC2MaceratorRecipe(ItemStack input, ItemStack output) {
		if (Recipes.macerator.getOutputFor(input, false) == null) {
			NBTTagCompound tag = new NBTTagCompound();
			Recipes.macerator.addRecipe(new RecipeInputItemStack(input), tag, output);
		} else {
			// IHLMod.log.info("IC2 macerator recipe for
			// "+input.getDisplayName()+" already exist. Skipped.");
		}
	}

	public static void addIC2RollingRecipe(ItemStack input, ItemStack output) {
		if (Recipes.metalformerRolling.getOutputFor(input, false) == null) {
			NBTTagCompound tag = new NBTTagCompound();
			Recipes.metalformerRolling.addRecipe(new RecipeInputItemStack(input), tag, output);
		} else {
			// IHLMod.log.info("IC2 metal former (rolling) recipe for
			// "+input.getDisplayName()+" already exist. Skipped.");
		}
	}

	public static void addIC2RollingRecipe(String input, ItemStack output) {
		if (Recipes.metalformerRolling.getOutputFor(getThisModItemStack(input), false) == null) {
			NBTTagCompound tag = new NBTTagCompound();
			Recipes.metalformerRolling.addRecipe(new RecipeInputOreDict(input), tag, output);
		} else {
			// IHLMod.log.info("IC2 metal former (rolling) recipe for "+input+"
			// already exist. Skipped.");
		}
	}

	public static void addIC2ExtrudingRecipe(ItemStack input, ItemStack output) {
		if (Recipes.metalformerExtruding.getOutputFor(input, false) == null) {
			NBTTagCompound tag = new NBTTagCompound();
			Recipes.metalformerExtruding.addRecipe(new RecipeInputItemStack(input), tag, output);
		} else {
			// IHLMod.log.info("IC2 metal former (rolling) recipe for "+input+"
			// already exist. Skipped.");
		}
	}

	public static void addIC2CentrifugeRecipe(String input, ItemStack output, ItemStack output2) {
		if (Recipes.centrifuge.getOutputFor(getOreDictItemStack(input), false) == null) {
			NBTTagCompound tag = new NBTTagCompound();
			tag.setInteger("minHeat", 2000);
			Recipes.centrifuge.addRecipe(new RecipeInputOreDict(input), tag, new ItemStack[] { output, output2 });
		} else {
			// IHLMod.log.info("IC2 centrifuge recipe for "+input+" already
			// exist. Skipped.");
		}
	}

	public static void damageItemViaNBTTag(ItemStack stack, int amount) {
		NBTTagCompound gtTagCompound;
		if (stack.stackTagCompound.hasKey("GT.ToolStats")) {
			gtTagCompound = stack.stackTagCompound.getCompoundTag("GT.ToolStats");
		} else {
			stack.stackSize--;
			return;
		}
		int damage = 0;
		int maxDamage = 0;
		if (gtTagCompound.hasKey("MaxDamage")) {
			maxDamage = gtTagCompound.getInteger("MaxDamage");
		} else {
			stack.stackSize--;
			return;
		}

		if (gtTagCompound.hasKey("Damage")) {
			damage = gtTagCompound.getInteger("Damage");
		}
		if (damage < maxDamage - amount) {
			damage += amount;
			gtTagCompound.setInteger("Damage", damage);
			gtTagCompound.setInteger("MaxDamage", maxDamage);
			stack.stackTagCompound.setTag("GT.ToolStats", gtTagCompound);
		} else {
			stack.stackSize--;
		}
	}

	public static int getDamageValueViaNBTTag(ItemStack stack) {
		NBTTagCompound gtTagCompound = null;
		if (stack != null && stack.stackTagCompound != null && stack.stackTagCompound.hasKey("GT.ToolStats")) {
			gtTagCompound = stack.stackTagCompound.getCompoundTag("GT.ToolStats");
		} else {
			return 0;
		}
		if (gtTagCompound != null && gtTagCompound.hasKey("Damage")) {
			return gtTagCompound.getInteger("Damage");
		} else {
			return 0;
		}
	}

	public static int getMaxDamageValueViaNBTTag(ItemStack stack) {
		NBTTagCompound gtTagCompound = null;
		if (stack != null && stack.stackTagCompound != null && stack.stackTagCompound.hasKey("GT.ToolStats")) {
			gtTagCompound = stack.stackTagCompound.getCompoundTag("GT.ToolStats");
		} else {
			return 0;
		}
		if (gtTagCompound != null && gtTagCompound.hasKey("MaxDamage")) {
			return gtTagCompound.getInteger("MaxDamage");
		} else {
			return 0;
		}
	}

	public static boolean isItemStacksIsEqual(ItemStack stack1, ItemStack stack2, boolean useOreDictionary) {
		if (useOreDictionary && isItemsHaveSameOreDictionaryEntry(stack1, stack2)) {
			return true;
		} else {
			if (stack1.getItemDamage() == OreDictionary.WILDCARD_VALUE
					|| stack2.getItemDamage() == OreDictionary.WILDCARD_VALUE) {
				return stack1.getItem() == stack2.getItem();
			} else {
				return stack1.getItem() == stack2.getItem() && stack1.getItemDamage() == stack2.getItemDamage();
			}
		}
	}

	public static boolean isItemStacksIsEqual(ItemStack stack1, String stack2name, boolean useOreDictionary) {
		return isItemStacksIsEqual(stack1, getThisModItemStack(stack2name), useOreDictionary);
	}

	public static boolean isIRecipeInputMatchesWithAmount(IRecipeInput input, ItemStack stack) {
		if (input.matches(stack)) {
			if (stack.getItem() instanceof IWire) {
				return getWireLength(stack) >= input.getAmount();
			} else {
				return stack.stackSize >= input.getAmount();
			}
		}
		return false;
	}

	public static boolean reduceItemStackAmountUsingIRecipeInput(IRecipeInput input, ItemStack stack, int multiplier) {
		if (stack.getItem() instanceof IWire) {
			return adjustWireLength(stack, -input.getAmount()*multiplier);
		} else {
			stack.stackSize -= input.getAmount()*multiplier;
			return stack.stackSize <= 0;
		}
	}

	public static String getFirstOreDictNameExcludingTagAny(ItemStack stack) {
		int[] arrayIDs = OreDictionary.getOreIDs(stack);
		for (int i = 0; i < arrayIDs.length; i++) {
			if (!OreDictionary.getOreName(arrayIDs[i]).contains("Any")) {
				return OreDictionary.getOreName(arrayIDs[i]);
			}
		}
		return "";
	}

	public static void handleFluidSlotsBehaviour(InvSlotConsumableLiquidIHL fillInputSlot,
			InvSlotConsumableLiquidIHL drainInputSlot, InvSlotOutput emptyFluidItemsSlot, IFluidTank fluidTank) {
		MutableObject<ItemStack> output;
		if (drainInputSlot != null && !drainInputSlot.isEmpty()) {
			output = new MutableObject<ItemStack>();
			if (fluidTank
					.fill(drainInputSlot.drain(null, fluidTank.getCapacity() - fluidTank.getFluidAmount(), output,
							true), false) > 0
					&& (output.getValue() == null || emptyFluidItemsSlot.canAdd(output.getValue()))) {
				fluidTank.fill(
						drainInputSlot.drain(null, fluidTank.getCapacity() - fluidTank.getFluidAmount(), output, false),
						true);
				if (output.getValue() != null) {
					emptyFluidItemsSlot.add(output.getValue());
				}
			}
		}
		if (fillInputSlot != null && !fillInputSlot.isEmpty()) {
			output = new MutableObject<ItemStack>();
			if (fillInputSlot.transferFromTank(fluidTank, output, true)
					&& (output.getValue() == null || emptyFluidItemsSlot.canAdd(output.getValue()))) {
				fillInputSlot.transferFromTank(fluidTank, output, false);
				if (output.getValue() != null) {
					emptyFluidItemsSlot.add(output.getValue());
				}
			}
		}
	}

	public static double[] tracePlayerView(EntityLivingBase player) {
		float f1 = player.rotationPitch;
		float f2 = player.rotationYaw;
		double x = player.posX;
		double y = player.posY;
		double z = player.posZ;
		if (IC2.platform.isSimulating()) {
			y += player.getEyeHeight();
		}
		float f3 = MathHelper.cos(-f2 * 0.01745329F - (float) Math.PI);
		float f4 = MathHelper.sin(-f2 * 0.01745329F - (float) Math.PI);
		float f5 = -MathHelper.cos(-f1 * 0.01745329F);
		float f6 = MathHelper.sin(-f1 * 0.01745329F);
		float f7 = f4 * f5;
		float f9 = f3 * f5;
		double d3 = 1.0D;
		return new double[] { x + f7 * d3, y + f6 * d3, z + f9 * d3 };
	}

	public static MovingObjectPosition returnMOPFromPlayer(EntityPlayer entityplayer, World world) {
		float f1 = entityplayer.rotationPitch;
		float f2 = entityplayer.rotationYaw;
		double x = entityplayer.posX;
		double y = entityplayer.posY + entityplayer.getEyeHeight();

		if (world.isRemote) {
			y -= entityplayer.getDefaultEyeHeight();
		}

		double z = entityplayer.posZ;
		Vec3 vec3d = Vec3.createVectorHelper(x, y, z);
		float f3 = MathHelper.cos(-f2 * 0.01745329F - (float) Math.PI);
		float f4 = MathHelper.sin(-f2 * 0.01745329F - (float) Math.PI);
		float f5 = -MathHelper.cos(-f1 * 0.01745329F);
		float f6 = MathHelper.sin(-f1 * 0.01745329F);
		float f7 = f4 * f5;
		float f9 = f3 * f5;
		double d3 = 5.0D;
		Vec3 vec3d1 = vec3d.addVector(f7 * d3, f6 * d3, f9 * d3);
		MovingObjectPosition movingobjectposition = world.rayTraceBlocks(vec3d, vec3d1, true);

		if (movingobjectposition == null) {
			return null;
		}

		if (movingobjectposition.typeOfHit == MovingObjectPosition.MovingObjectType.BLOCK) {
			return movingobjectposition;
		}
		return null;
	}

	public static short getFacingFromPlayerView(EntityLivingBase player, boolean ignoreSneaking) {
		int var6 = MathHelper.floor_double(player.rotationPitch * 4.0F / 360.0F + 0.5D) & 3;
		int var7 = MathHelper.floor_double(player.rotationYaw * 4.0F / 360.0F + 0.5D) & 3;
		{
			if (var6 == 1) {
				return 1;
			} else if (var6 == 3) {
				return 0;
			} else {
				if (player.isSneaking() && !ignoreSneaking) {
					switch (var7) {
					case 0:
						return 3;
					case 1:
						return 4;
					case 2:
						return 2;
					case 3:
						return 5;
					default:
						break;
					}
				} else {
					switch (var7) {
					case 0:
						return 2;
					case 1:
						return 5;
					case 2:
						return 3;
					case 3:
						return 4;
					default:
						break;
					}
				}
			}
		}
		return 3;
	}

	public static int getChainID(ItemStack itemStack) {
		if (itemStack != null && itemStack.stackTagCompound != null && itemStack.stackTagCompound.hasKey("chainUID")) {
			return itemStack.stackTagCompound.getInteger("chainUID");
		}
		return -1;
	}

	public static List<ItemStack> convertRecipeInputToItemStackList(List<IRecipeInput> input) {
		Iterator<IRecipeInput> irii = input.iterator();
		List<ItemStack> output = new ArrayList<ItemStack>();
		while (irii.hasNext()) {
			IRecipeInput iri = irii.next();
			ItemStack stack = iri.getInputs().get(0);
			stack.stackSize = iri.getAmount();
			output.add(stack);
		}
		return output;
	}

	public static List<FluidStack> convertRecipeInputToFluidStackList(List<IRecipeInputFluid> input) {
		Iterator<IRecipeInputFluid> irii = input.iterator();
		List<FluidStack> output = new ArrayList<FluidStack>();
		while (irii.hasNext()) {
			IRecipeInputFluid iri = irii.next();
			FluidStack stack = iri.getInputs().get(0);
			stack.amount = iri.getAmount();
			output.add(stack);
		}
		return output;
	}

	public static String trim(String str) {
		int len = str.length();
		int start;
		char c;
		for (start = 0; start < len; ++start) {
			c = str.charAt(start);
			if (c > 32 && c != 65279) {
				break;
			}
		}
		int end;
		for (end = len - 1; end >= start; --end) {
			c = str.charAt(end);
			if (c > 32 && c != 65279) {
				break;
			}
		}
		return start <= 0 && end >= len - 1 ? str : str.substring(start, end + 1);
	}

	public static int getAmountOf(ItemStack is) {
		if (is.getItem() instanceof IWire) {
			return getWireLength(is);
		} else {
			return is.stackSize;
		}
	}

	public static ItemStack getWireItemStackCopyWithLengthMultiplied(ItemStack stack, int multiplier) {
		ItemStack out = stack.copy();
		adjustWireLength(out, getWireLength(stack) * (multiplier - 1));
		return out;
	}

	public static ItemStack getUninsulatedWire(String material, int length, int transverseSection) {
		ItemStack is = getThisModItemStack("copperWire");
		is.stackTagCompound = new NBTTagCompound();
		is.stackTagCompound.setBoolean("firstConnection", false);
		is.stackTagCompound.setInteger("fullLength", length);
		is.stackTagCompound.setInteger("length", length);
		is.stackTagCompound.setString("material", material);
		is.stackTagCompound.setInteger("transverseSection", transverseSection);
		return is;
	}

	public static ItemStack getInsulatedWire(String material, int length, int transverseSection,
			String insulationMaterial, int insulationThickness) {
		ItemStack is = getUninsulatedWire(material, length, transverseSection);
		is.stackTagCompound.setString("insulationMaterial", insulationMaterial);
		is.stackTagCompound.setInteger("insulationThickness", insulationThickness);
		is.stackTagCompound.setInteger("maxVoltage", getInsulationMaxVoltage(insulationMaterial, insulationThickness));
		return is;
	}

	public static long getResistance(NBTTagCompound cable) {
		String material = cable.getString("material");
		int transverseSection = cable.getInteger("transverseSection");
		return ElectricConductor.getResistivity(material) * 100L / transverseSection;
	}

	public static int getInsulationMaxVoltage(String insulationMaterial, int insulationThickness) {
		return Math.min(Insulation.getMaxVoltagePermm(insulationMaterial) * insulationThickness / 10,
				Insulation.getMaxVoltageCap(insulationMaterial));
	}

	public static ItemStack getItemStackWithTag(String unLocalizedName, String tag, int tagValue) {
		ItemStack stack = IHLUtils.getThisModItemStack(unLocalizedName);
		if (stack.stackTagCompound == null) {
			stack.stackTagCompound = new NBTTagCompound();
		}
		stack.stackTagCompound.setInteger(tag, tagValue);
		return stack;
	}

	public static boolean isSegmentInsideAABB(AxisAlignedBB collisionBox, double posX, double posY, double posZ,
			double posX2, double posY2, double posZ2) {
		if (isInsideofBoundingBox(collisionBox, (float) posX, (float) posY, (float) posZ)
				|| isInsideofBoundingBox(collisionBox, (float) posX2, (float) posY2, (float) posZ2)) {
			return true;
		} else {
			double minX = Math.min(posX, posX2);
			double maxX = Math.max(posX, posX2);
			double minY = Math.min(posY, posY2);
			double maxY = Math.max(posY, posY2);
			double minZ = Math.min(posZ, posZ2);
			double maxZ = Math.max(posZ, posZ2);
			return !(maxX < collisionBox.minX || minX > collisionBox.maxX || maxY < collisionBox.minY
					|| minY > collisionBox.maxY || maxZ < collisionBox.minZ || minZ > collisionBox.maxZ);
		}
	}

	public static boolean isInsideofBoundingBox(AxisAlignedBB bb, float xi, float yi, float zi) {
		return bb.maxX > xi && bb.minX < xi && bb.maxY > yi && bb.minY < yi && bb.maxZ > zi && bb.minZ < zi;
	}

	public static boolean isBlockCanBeReplaced(World world, int x, int y, int z) {
		Block block = world.getBlock(x, y, z);
		if (block == Blocks.air || block.isAir(world, x, y, z) || block == Blocks.vine || block == Blocks.tallgrass
				|| block == Blocks.deadbush || block == Blocks.snow_layer || block == Blocks.snow) {
			return true;
		}
		return false;
	}

	public static void removeChains(IEnergyNetNode te, World world) {
		Set<NBTTagCompound> cableList = te.getCableList();
		Iterator<NBTTagCompound> cli = cableList.iterator();
		while (cli.hasNext()) {
			NBTTagCompound c = cli.next();
			cli.remove();
			IHLMod.enet.removeCableEntities(c);
			ItemStack is = IHLUtils.getThisModItemStack("copperWire");
			is.stackTagCompound = c;
			double[] pps = te.getPortPos(null);
			EntityItem eitem = new EntityItem(world, pps[0], pps[1], pps[2], is);
			world.spawnEntityInWorld(eitem);
			removeChain(c, null);
		}
		if (te.getGridID() != -1) {
			IHLMod.enet.splitGrids(te.getGridID(), te);
		}
		cableList.clear();
	}

	public static void removeChain(NBTTagCompound c, IEnergyNetNode excludeNode) {
		int x = c.getInteger("connectorX1");
		int y = c.getInteger("connectorY1");
		int z = c.getInteger("connectorZ1");
		int t2DimensionId = c.getInteger("connectorDimensionId1");
		short facing2 = c.getShort("connectorFacing1");
		TileEntity t2 = MinecraftServer.getServer().worldServerForDimension(t2DimensionId).getTileEntity(x, y, z);
		IEnergyNetNode te2;
		if (t2 instanceof IMultiPowerCableHolder) {
			te2 = ((IMultiPowerCableHolder) t2).getEnergyNetNode(facing2);
		} else if (t2 instanceof IEnergyNetNode) {
			te2 = (IEnergyNetNode) t2;
		} else {
			return;
		}
		if (excludeNode != te2) {
			te2.remove(c);
		}
		x = c.getInteger("connectorX");
		y = c.getInteger("connectorY");
		z = c.getInteger("connectorZ");
		t2DimensionId = c.getInteger("connectorDimensionId");
		facing2 = c.getShort("connectorFacing");
		t2 = MinecraftServer.getServer().worldServerForDimension(t2DimensionId).getTileEntity(x, y, z);
		if (t2 instanceof IMultiPowerCableHolder) {
			te2 = ((IMultiPowerCableHolder) t2).getEnergyNetNode(facing2);
		} else if (t2 instanceof IEnergyNetNode) {
			te2 = (IEnergyNetNode) t2;
		} else {
			return;
		}
		if (excludeNode != te2) {
			te2.remove(c);
		}
	}

	public static boolean isPlayerLookingAt(EntityLivingBase player, AxisAlignedBB aabb) {
		double[] pView = tracePlayerView(player);
		double x = player.posX;
		double y = player.posY;
		double z = player.posZ;
		if (IC2.platform.isSimulating()) {
			y += player.getEyeHeight();
		}
		if (isLineSegmentInterseptRectangle(x, y, pView[0], pView[1], aabb.minX, aabb.minY, aabb.maxX, aabb.maxY)
				&& isLineSegmentInterseptRectangle(x, z, pView[0], pView[2], aabb.minX, aabb.minZ, aabb.maxX, aabb.maxZ)
				&& isLineSegmentInterseptRectangle(z, y, pView[2], pView[1], aabb.minZ, aabb.minY, aabb.maxZ,
						aabb.maxY)) {
			return true;
		}
		return false;
	}

	public static boolean isLineSegmentInterseptRectangle(double sx0_1, double sy0_1, double sx1_1, double sy1_1,
			double rx0_1, double ry0_1, double rx1_1, double ry1_1) {
		double sx0 = sx0_1;
		double sy0 = sy0_1;
		double sx1 = sx1_1;
		double sy1 = sy1_1;
		double rx0 = rx0_1;
		double ry0 = ry0_1;
		double rx1 = rx1_1;
		double ry1 = ry1_1;
		if (sx1_1 < sx0_1) {
			sx0 = sx1_1;
			sy0 = sy1_1;
			sx1 = sx0_1;
			sy1 = sy0_1;
		}
		if (rx1_1 < rx0_1) {
			rx0 = rx1_1;
			ry0 = ry1_1;
			rx1 = rx0_1;
			ry1 = ry0_1;
		}
		double ay = (sy1 - sy0) / (sx1 - sx0);
		double by = sy1 - ay * sx1;

		double ax = (sx1 - sx0) / (sy1 - sy0);
		double bx = sx1 - ax * sy1;

		double maxx0 = Math.max(sx0, rx0);
		double minx1 = Math.min(sx1, rx1);
		double maxy0 = Math.max(sy0, ry0);
		double miny1 = Math.min(sy1, ry1);
		double y0 = ay * maxx0 + by;
		double y1 = ay * minx1 + by;

		double x0 = ax * maxy0 + bx;
		double x1 = ax * miny1 + bx;
		return (ry0 <= y0 && ry1 >= y0) || (ry0 <= y1 && ry1 >= y1) || (rx0 <= x0 && rx1 >= x0)
				|| (rx0 <= x1 && rx1 >= x1);
	}

	public static float parseFloatSafe(String string, float useSafeValue) {
		if (Pattern.matches(fpRegex, string))
			return Float.valueOf(string);
		else {
			return useSafeValue;
		}
	}

	public static int parseIntSafe(String string, int useSafeValue) {
		if (Pattern.matches(fpRegex, string))
			return Integer.valueOf(string);
		else {
			return useSafeValue;
		}
	}

	public static boolean isBlockRegisteredInOreDictionaryAs(Block block, String string) {
		Iterator<ItemStack> isoi = OreDictionary.getOres(string).iterator();
		while (isoi.hasNext()) {
			if (Block.getBlockFromItem(isoi.next().getItem()) == block) {
				return true;
			}
		}
		return false;
	}

	public static void setBlockAndTileEntityRaw(World world, int x, int y, int z, Block block, TileEntity te) {
		Chunk chunk = world.getChunkProvider().provideChunk(x >> 4, z >> 4);
		ExtendedBlockStorage[] ebsA = chunk.getBlockStorageArray();
		ExtendedBlockStorage ebs = ebsA[y >> 4];
		if (ebs == null) {
			ebs = new ExtendedBlockStorage(y, true);
			ebsA[y >> 4] = ebs;
		}
		setBlockRaw(ebs, x & 15, y & 15, z & 15, block);
		te.xCoord = x;
		te.yCoord = y;
		te.zCoord = z;
		te.setWorldObj(world);
		chunk.addTileEntity(te);
	}

	public static void setBlockRaw(ExtendedBlockStorage ebs, int x, int y, int z, Block block) {
		int l = ebs.blockLSBArray[y << 8 | z << 4 | x] & 255;

		if (ebs.blockMSBArray != null) {
			l |= ebs.blockMSBArray.get(x, y, z) << 8;
		}

		Block block1 = Block.getBlockById(l);

		if (block1 != Blocks.air) {
			--ebs.blockRefCount;
		}

		if (block != Blocks.air) {
			++ebs.blockRefCount;
		}

		int i1 = Block.getIdFromBlock(block);
		ebs.blockLSBArray[y << 8 | z << 4 | x] = (byte) (i1 & 255);

		if (i1 > 255) {
			if (ebs.blockMSBArray == null) {
				ebs.blockMSBArray = new NibbleArray(ebs.blockLSBArray.length, 4);
			}

			ebs.blockMSBArray.set(x, y, z, (i1 & 3840) >> 8);
		} else if (ebs.blockMSBArray != null) {
			ebs.blockMSBArray.set(x, y, z, 0);
		}
	}


}