Randomizing Items in a Custom Inventory

Hello!

I am trying to look for how you can randomize stuff in a chest or a custom inventory without specifying on each switch statement to get the random number. I would like it to be as random as possible, but I can't seem to figure out how to randomize them without using switch then adding the items myself because it wouldn't be as random at all.
I would also like if this could be organized by tiers and so when the player opens the chest/custom inventory again, it doesn't randomize anymore.
And I would like it to be a certain item that would be contained in a config.

Also, how would I save custom inventories? Just wondering. lol

Thanks,
Gabe

 

FabeGabeMC
You can save inventories using serialization. For the same purpose I'm using a modified version of code from this thread: https://forums.bukkit.org/threads/serialize-inventory-to-single-string-and-vice-versa.92094/

As about randomizing, it's pretty easy. You just do this:

Code:java

Random r = new Random();
int inventorySize = 30;
Inventory inventory = Bukkit.createInventory(Bukkit.getPlayer("Test"), inventorySize);
for(int i = 0; i < r.nextInt(inventorySize) + 1; i++) {
inventory.addItem(new ItemStack(Material.getMaterial(r.nextInt(300))));
}

I wouldn't suggest you to use exactly this code but you get the idea.

 

inventorysize cant be 30

 

Onlineids
That's just an example and I told you not to use this code, and I specifically state that you should just get the idea, not copy&paste the code.

 

Oh alright

 

Onlineids Timbo_KZ That works as nice! But is there any way that I can just make it with certain item ids in a config?

 

FabeGabeMC
Yes, there is a way:
1. Create a list with all of your ids
2. Generate a random int
3. Get the int from the list

Code:java

List<Integer> ids = new ArrayList<Integer>();
ids.add(1);
ids.add(3);
ids.add(4);
ids.add(5);
ids.add(33);
ids.add(126);
 
Random random = new Random();
int id = ids.get(random.nextInt(ids.size()));

If you can't do this by now, I suggest you going over Java tutorials about lists, for loops and random variables.

 

Timbo_KZ I already know about Lists, ArrayLists, and Hashmaps. So I should be fine. I think what you did there is just really correct and I feel pretty dumb for not doing that. Thanks anyway!
Just one more question. How can I get the tier chests in a config? (Location & Stuff). Would I have to do a List of locations and then add the chest's coordinates?

 

FabeGabeMC

Code:java

for(int i = 0; i < Core.getPlugin().getConfig().getConfigurationSection("tier1").getValues(false).size(); i++) {
    Object object = Core.getPlugin().getConfig().getConfigurationSection("tier1").getValues(false).get(i);
    // Do stuff
}

 

Timbo_KZ Oh my goodness it works! Thanks!

Now I just need to figure out how to specify the tier chests and I'm done!

How is it possible? ^^

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

FabeGabeMC
I'm not sure what you're trying to achieve...