net.minecraft.util.WeightedRandom#Item ( )源码实例Demo

@Override
public void prepare() {
    laserOres = MFRRegistry.getLaserOres();
    for (WeightedRandom.Item ore : laserOres) {
        totalWeight += ore.itemWeight;
    }
    
    laserPreferredOres = new HashMap<Integer, List<ItemStack>>();
    for (int i = 0; i <= 15; i++) {
        List<ItemStack> preferredOres = MFRRegistry.getLaserPreferredOres(i);
        laserPreferredOres.put(i, preferredOres);
    }
    
    TileEntityLaserDrillPrecharger dummyPrecharger = new TileEntityLaserDrillPrecharger();
    TileEntityLaserDrill dummyDrill = new TileEntityLaserDrill();
    energyPerOperation = dummyPrecharger.getActivationEnergy() * dummyDrill.getWorkMax();
    dummyPrecharger = null;
    dummyDrill = null;
    
    laserFocus = GameRegistry.findItem("MineFactoryReloaded", "laserfocus");
    if (laserFocus == null) {
        laserFocus = GameRegistry.findItem("MineFactoryReloaded", "item.mfr.laserfocus");
    }
}
 

@Override
public void loadAllRecipes() {
    for (WeightedRandom.Item drop : laserOres) {
        if (drop instanceof WeightedRandomItemStack) {
            ItemStack dropStack = ((WeightedRandomItemStack) drop).getStack();
            for (int i : laserPreferredOres.keySet()) {
                List<ItemStack> preferredStacks = laserPreferredOres.get(i);
                if (preferredStacks != null) {
                    for (ItemStack preferredStack : preferredStacks) {
                        if (Utils.areStacksSameTypeCraftingSafe(preferredStack, dropStack)) {
                            this.arecipes.add(new CachedLaserDrillRecipe(dropStack, drop.itemWeight, i));
                        }
                    }
                }
            }
        }
    }
}
 

@Override
public void loadCraftingRecipes(ItemStack result) {
    for (WeightedRandom.Item drop : laserOres) {
        if (drop instanceof WeightedRandomItemStack) {
            if (Utils.areStacksSameTypeCraftingSafe(((WeightedRandomItemStack) drop).getStack(), result)) {
                ItemStack dropStack = ((WeightedRandomItemStack) drop).getStack();
                for (int i : laserPreferredOres.keySet()) {
                    List<ItemStack> preferredStacks = laserPreferredOres.get(i);
                    if (preferredStacks != null) {
                        for (ItemStack preferredStack : preferredStacks) {
                            if (Utils.areStacksSameTypeCraftingSafe(preferredStack, dropStack)) {
                                this.arecipes.add(new CachedLaserDrillRecipe(dropStack, drop.itemWeight, i));
                            }
                        }
                    }
                }
            }
        }
    }
}
 

@Override
public void loadUsageRecipes(ItemStack ingred) {
    int dmg = ingred.getItemDamage();
    if (ingred.getItem() == laserFocus && dmg <= 15) {
        for (WeightedRandom.Item drop : laserOres) {
            if (drop instanceof WeightedRandomItemStack) {
                ItemStack dropStack = ((WeightedRandomItemStack) drop).getStack();
                List<ItemStack> preferredStacks = laserPreferredOres.get(dmg);
                if (preferredStacks != null) {
                    for (ItemStack preferredStack : preferredStacks) {
                        if (Utils.areStacksSameTypeCraftingSafe(preferredStack, dropStack)) {
                            this.arecipes.add(new CachedLaserDrillRecipe(dropStack, drop.itemWeight, dmg));
                        }
                    }
                }
            }
        }
    }
}