PestleRecipe.java

package com.modmcdl.magitech.recipe;

import java.util.Map;
import java.util.Map.Entry;

import com.google.common.collect.HashBasedTable;
import com.google.common.collect.Maps;
import com.google.common.collect.Table;
import com.modmcdl.magitech.init.ModItems;

import net.minecraft.item.ItemStack;
import net.minecraftforge.fml.common.FMLLog;

public class PestleRecipe {

    private static final PestleRecipe MIXING = new PestleRecipe();
    private final Table<ItemStack, ItemStack, ItemStack> pestleList = HashBasedTable.<ItemStack, ItemStack, ItemStack>create();
    private final Map<ItemStack, Float> experienceList = Maps.<ItemStack, Float>newHashMap();

    public static PestleRecipe instance() {
        return MIXING;
    }

    private PestleRecipe() {
        //this.addPestleRecipe(new ItemStack(INPUT ONE), new ItemStack(INPUT TWO), new ItemStack(WHAT IT CRAFTS), 0.0F); <--Format to Follow
        this.addPestleRecipe(new ItemStack(ModItems.salts), new ItemStack(ModItems.lilacbloom), new ItemStack(ModItems.dsalt), 0.0F);
    }
    //adding recipe - makes sure that mod recipes dont conflict
    public void addPestleRecipe(ItemStack input1, ItemStack input2, ItemStack result, float experience) {
        if(getPestleResult(input1, input2) != ItemStack.EMPTY) {
            FMLLog.info("Ignored pestle recipe with conflicting input: " + input1 + " and " + input2 + " = " + result);
            return;
        }
        this.pestleList.put(input1, input2, result);
        this.experienceList.put(result, Float.valueOf(experience));
    }

    //registers inputs and cross-checks them with recipes
    public ItemStack getPestleResult(ItemStack input1, ItemStack input2) {
        for(Entry<ItemStack, Map<ItemStack, ItemStack>> entry : this.pestleList.columnMap().entrySet())
            if(this.compareItemStacks(input1, (ItemStack)entry.getKey()))
                for(Entry<ItemStack, ItemStack> ent : entry.getValue().entrySet())
                    if(this.compareItemStacks(input2, (ItemStack)ent.getKey()))
                        return (ItemStack)ent.getValue();
        //if no recipe found, do nothing
        return ItemStack.EMPTY;
    }

    //Checks and compares inputs in table ^above to recipe (finds result)
    private boolean compareItemStacks(ItemStack stack1, ItemStack stack2) {
        return stack2.getItem() == stack1.getItem() && (stack2.getMetadata() == 32767 || stack2.getMetadata() == stack1.getMetadata());
    }

    public Table<ItemStack, ItemStack, ItemStack> getPestleList() {
        return this.pestleList;
    }
    //If output is "X" then give certain experience | else "0"
    public float getPestleExperience(ItemStack stack) {
        for(Entry<ItemStack, Float> entry : this.experienceList.entrySet())
            if(this.compareItemStacks(stack, (ItemStack)entry.getKey()))
                return ((Float)entry.getValue()).floatValue();
        return 0.0F;
    }

}