public ItemStack getOutcome(boolean isFixedDrops) {
if (random.nextDouble() * 100.0D < percentage && material != null) {
int dropAmount =
isFixedDrops
? range.getMaximumInteger()
: range.getMinimumInteger()
+ random.nextInt(
Math.abs(range.getMaximumInteger() - range.getMinimumInteger() + 1));
if (dropAmount > 0) {
ItemStack itemStack;
if (data == null) {
itemStack = new ItemStack(material, dropAmount);
} else {
MaterialData materialData = new MaterialData(material, data);
itemStack = materialData.toItemStack(dropAmount);
if (durability != null) {
itemStack.setDurability(durability);
}
}
itemStack.addEnchantments(ItemEnchantment.getOutcome(enchantments));
if (itemStack.getAmount() > 0) {
return itemStack;
}
}
}
return null;
}
public static Number pickRange(NumberRange range) {
Number result = null;
RandomData randomData = new RandomDataImpl();
if (range.getMinimumNumber() instanceof Integer
&& range.getMaximumNumber() instanceof Integer) {
result = randomData.nextInt(range.getMinimumInteger(), range.getMaximumInteger());
}
if (range.getMinimumNumber() instanceof Long && range.getMaximumNumber() instanceof Long) {
result = randomData.nextLong(range.getMinimumLong(), range.getMaximumLong());
}
if (range.getMinimumNumber() instanceof Float && range.getMaximumNumber() instanceof Float) {
result = randomData.nextUniform(range.getMinimumFloat(), range.getMaximumFloat());
}
if (range.getMinimumNumber() instanceof Double && range.getMaximumNumber() instanceof Double) {
result = randomData.nextUniform(range.getMinimumDouble(), range.getMaximumDouble());
}
return result;
}