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Currently Supported: 1.16.X (Latest) and 1.15.X (LTS)
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Ben_jammin0

How do I use Events

By Ben_jammin0, July 11, 2020 in Modder Support

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Posted July 11, 2020

Please forgive me, I'm very new to modding, just started today, my foundation in Java is a little rockey, but this is not really a java question I don't think. This is an example provided in the forge documentation. This makes sense, the event called EntityItemPickupEvent is being used. But I don't understand where I am supposed to find the list of Events. I have seen others use events such as TickEvent.ServerTickEvent, where are people finding these Events. Is there a master list somewhere?

public class MyForgeEventHandler {

      @SubscribeEvent

       public void pickupItem(EntityItemPickupEvent event) {

                System.out.println("Item picked up!");

       }

}

Thanks in advance.

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vemerion    56

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Posted July 11, 2020

If you are using eclipse (but presumably other IDEs have similar functionality) you can view all events by:

  • Pressing ctrl+shift+t to and search for the net.minecraftforge.eventbus.api.Event type
  • Click on the class name and press F4 to open the Event type hierarchy, where you can view all events
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Posted July 11, 2020

You can also select a type already present in your code and hit F4. Which will open the type hierarchy window, focused on the type you selected. You can then go up to the root class, Event, right click and "Focus On..." which will show the Event class and all sublcasses.

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Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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Posted July 11, 2020

Thanks for the hasty responses guys! Vemerion, When I bring up the open type screen and type that in it does not find anything, I can get classes like EventBusSubscriber and such, but nothing past the ".eventbus." in "net.minecraftforge.eventbus.api.Event type".

 

Draco, your idea does show allow me to see more event types which is what I was looking for, but this list only has the event types listed in the TickEvent class. Do you know of ways to find the other classes that contain the different events such as the class that contains "EntityItemPickupEvent". There isn't a more efficient way to find these variable types? No documentation for these classes?

 

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Posted July 11, 2020
18 minutes ago, Ben_jammin0 said:

Thanks for the hasty responses guys! Vemerion, When I bring up the open type screen and type that in it does not find anything, I can get classes like EventBusSubscriber and such, but nothing past the ".eventbus." in "net.minecraftforge.eventbus.api.Event type".

Strange, maybe try to just search for *.api.Event or *forge*.Event . It is a little bit finicky to find the event class, since there are a lot of different event classes from different irrelevant libraries which we do not want. The method Draco explains should also work, don't forget to right click on the Event class in the type hierarchy tree and select Focus On 'Event'.

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Posted July 11, 2020

image.png.ef0756f4c8efe39d3b0f275fc04ac445.png

image.png.62cbafed48b796bcaf8584bc3c684e48.png

image.png.64a38ad468c45d6bb2c1d71ea79d2780.png

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Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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Posted July 11, 2020

perfect thank you both, that'll do it! Thanks for your help, both of you! I got my mod working with the new info.

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