Solved "Inventory element" alias

Hello everybody!
Today my problem seems like:

I want to make crafted tools and armor elements have a chance to be enchanted after the event.

For example - I am crafting stone sword. When I click to my crafted item I want to have 5% chance that it is enchanted with unbreakable III.

I know how to do it, but my problem refers to first part of code, which I'd write like this:

Code:

public void onCraft(CraftItemEvent e) {
        if ((e.getCurrentItem().getType().equals(Material.LEATHER_HELMET) || e.getCurrentItem().getType().equals(Material.LEATHER_CHESTPLATE)) && e.getCursor().getType().equals(Material.AIR)) {

Of course I'll have to add more items (not only Leather Helmet or Chestplate) and, as you can imagine, it would look veeery unprofessionally. I'd like to do this like

Code:

if(e.getCurrentItem().getType() instanceof MyCustomListOfItemMaterials){

but I simply don't know how to do it.

Hope you'll understand me and find a sollution. Thank you!

 

Math.random() returns a random number between 0 and 1

So if the random number is >= 0.05 (5%) enchant your item.

 

Thank you for reply, but I wrote this

Code:

For example - I am crafting stone sword. When I click to my crafted item I want to have 5% chance that it is enchanted with unbreakable III.

just to show what am I going to do. I currently have problem with creating alias, which I could use instead of writing
"if event item equals leather helmet or if event item equals leather chestplate or..."

I just wish I could compare my event item with list of materials and check whether event item belongs to defined list of materials.

 

@ref
Still unresolved :/

 

@Marcoral
What you can do is use a nice little class called EnumSet and create an EnumSet of Materials. What we do is use the "EnumSet.of(<insert your materials here>)". Which will then give us a Set of said enums. What we then can do is use the "contains()" method to check if a certain Item Type is contained within the EnumSet.

Here's an example.

Let's say we have the following Enum:

Code:java

public enum MyExampleEnum {
    THIS,
    ENUM,
    IS,
    A,
    TEST
}

And then we create an EnumSet of 3 enum values from MyExampleEnum like this:

Code:java

EnumSet<MyExampleEnum> myEnumSet = EnumSet.of(THIS, IS, TEST)

And then we have a enum value from the MyExampleEnum in the variable "enumValue". We can simply use the ".contains()" method to see if this enum is in the EnumSet.

Code:java

MyExampleEnum enumValue = THIS
MyExampleEnum secondEnumValue = A
myEnumSet.contains(enumValue) // Will be true
myEnumSet.contains(secondEnumValue) // Will be false

The first check will return true, since "THIS" is in the EnumSet, but "A" is not, so the second check will return false.