RecipeRemover.java

/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version. This program is distributed in the hope that it will be
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details. You should have received a copy of the GNU
 * Lesser General Public License along with this program. If not, see
 * <http://www.gnu.org/licenses/>
 */
package com.slimevoid.library.util;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import com.slimevoid.library.core.SlimevoidCore;

import net.minecraft.block.Block;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.CraftingManager;
import net.minecraft.item.crafting.IRecipe;

public class RecipeRemover {

    // set of recipes to remove
    static Set<Integer> itemSet = new HashSet<Integer>();

    private static void flush() {
        itemSet.clear();
    }

    public static void registerItemRecipeToRemove(Object object) {
        if (object instanceof Block) {
            itemSet.add(((Block) object).blockID);
        }
        if (object instanceof Item) {
            itemSet.add(((Item) object).itemID); // shiftedIndex
        }
    }

    public static void removeCrafting() {

        // remove everything from the list
        @SuppressWarnings("unchecked")
        List<IRecipe> recipes = CraftingManager.getInstance().getRecipeList();
        Iterator<IRecipe> it = recipes.iterator();
        List<IRecipe> matches = new ArrayList<IRecipe>(); // recipes to remove
        while (it.hasNext()) {
            IRecipe recipe = it.next();
            ItemStack output = recipe.getRecipeOutput();

            if (output != null) {
                int itemID = output.getItem().itemID; // shiftedIndex
                if (itemSet.contains(itemID)) {
                    matches.add(recipe);
                }
            }
        }
        for (IRecipe recipe : matches) {
            SlimevoidCore.console("EurysCore",
                                  "Removing recipe for "
                                          + recipe.getRecipeOutput().getDisplayName());
            recipes.remove(recipe);
        }
        flush();
    }
}