I'm looking for a crafting event that allows me to modify the item being crafted. Sponge has a similar event, CraftItemEvent.Preview which allows me to modify the item being crafted. 

The reason for this is that I'm creating a plugin that introduces random ranks to items, and I want the crafting event to calculate the average of all item's and their ranks, and apply it to the item being crafted.

2 minutes ago, diesieben07 said:

There is no such event in Forge.

Is there a limited list of items you want to modify?

No, I want it to apply to every item. Is this possible?

5 minutes ago, ratquaza said:

No, I want it to apply to every item. Is this possible?

Yes there is a way. If I'm not mistaken there is PlayerEvent.OnCrafted which is fired after the player takes the item out of the slot. But I have a feeling this isnt quite what you want. However if your goal is to just apply something at random to the ItemStack then this would work. Or there is another approach with Capabilities you could try. Attach a capability onto all ItemStacks. Which will allow you to give it extra data. Then there is a ToolTipHovering event or something like that. Which you can use to display information about the item.