ModTweaker/src/main/java/modtweaker/helpers/InputHelper.java

package modtweaker.helpers;

import java.util.ArrayList;

import minetweaker.MineTweakerAPI;
import minetweaker.api.item.IIngredient;
import minetweaker.api.item.IItemStack;
import minetweaker.api.liquid.ILiquidStack;
import minetweaker.api.oredict.IOreDictEntry;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidRegistry;
import net.minecraftforge.fluids.FluidStack;

public class InputHelper {
	public static boolean isABlock(IItemStack block) {
		if (!(isABlock(toStack(block)))) {
			MineTweakerAPI.getLogger().logError("Item must be a block, or you must specify a block to render as when adding a TConstruct Melting recipe");
			return false;
		} else
			return true;
	}

	public static boolean isABlock(ItemStack block) {
		return block.getItem() instanceof ItemBlock;
	}

	public static ItemStack toStack(IItemStack iStack) {
		if (iStack == null)
			return null;
		else {
			Object internal = iStack.getInternal();
			if (internal == null || !(internal instanceof ItemStack)) {
				MineTweakerAPI.getLogger().logError("Not a valid item stack: " + iStack);
			}

			return (ItemStack) internal;
		}
	}

	public static ItemStack[] toStacks(IItemStack[] iStack) {
		if (iStack == null)
			return null;
		else {
			ItemStack[] output = new ItemStack[iStack.length];
			for (int i = 0; i < iStack.length; i++) {
				output[i] = toStack(iStack[i]);
			}

			return output;
		}
	}

	public static Object toObject(IIngredient iStack) {
		if (iStack == null)
			return null;
		else {
			if (iStack instanceof IOreDictEntry) {
				return toString((IOreDictEntry) iStack);
			} else if (iStack instanceof IItemStack) {
				return toStack((IItemStack) iStack);
			} else
				return null;
		}
	}

	public static Object[] toObjects(IIngredient[] ingredient) {
		if (ingredient == null)
			return null;
		else {
			Object[] output = new Object[ingredient.length];
			for (int i = 0; i < ingredient.length; i++) {
				if (ingredient[i] != null) {
					output[i] = toObject(ingredient[i]);
				} else
					output[i] = "";
			}

			return output;
		}
	}

	public static Object[] toShapedObjects(IIngredient[][] ingredients) {
		if (ingredients == null)
			return null;
		else {
			ArrayList prep = new ArrayList();
			prep.add("abc");
			prep.add("def");
			prep.add("ghi");
			char[][] map = new char[][] { { 'a', 'b', 'c' }, { 'd', 'e', 'f' }, { 'g', 'h', 'i' } };
			for (int x = 0; x < ingredients.length; x++) {
				if (ingredients[x] != null) {
					for (int y = 0; y < ingredients[x].length; y++) {
						if (ingredients[x][y] != null && x < map.length && y < map[x].length) {
							prep.add(map[x][y]);
							prep.add(toObject(ingredients[x][y]));
						}
					}
				}
			}
			return prep.toArray();
		}
	}

	public static String toString(IOreDictEntry entry) {
		return ((IOreDictEntry) entry).getName();
	}

	public static FluidStack toFluid(ILiquidStack iStack) {
		if (iStack == null) {
			return null;
		} else
			return FluidRegistry.getFluidStack(iStack.getName(), iStack.getAmount());
	}

	public static Fluid getFluid(ILiquidStack iStack) {
		if (iStack == null) {
			return null;
		} else
			return FluidRegistry.getFluid(iStack.getName());

	}

	public static FluidStack[] toFluids(IIngredient[] input) {
		return toFluids((IItemStack[]) input);
	}

	public static FluidStack[] toFluids(ILiquidStack[] iStack) {
		FluidStack[] stack = new FluidStack[iStack.length];
		for (int i = 0; i < stack.length; i++)
			stack[i] = toFluid(iStack[i]);
		return stack;
	}
}