Atila1091 Posted October 24, 2019 Share Posted October 24, 2019 (edited) Steps: 1- Have a capability. 2 - Get the capability. Example: public static IExample getCapability(Entity entityIn) { return entityIn.getCapability(CAPABILITY).orElseThrow(NullPointerException::new); } 3 - Use an event. Example: PlayerTickEvent. 4 - Kill the player. (/ kill) 5 - The game throws NullPointerException. Edited October 24, 2019 by Atila1091 Giving up the post Quote Link to comment Share on other sites More sharing options...
Animefan8888 Posted October 24, 2019 Share Posted October 24, 2019 1 hour ago, Atila1091 said: Steps: Have you stepped through the code with the debugger? Quote VANILLA MINECRAFT CLASSES ARE THE BEST RESOURCES WHEN MODDING I will be posting 1.15.2 modding tutorials on this channel. If you want to be notified of it do the normal YouTube stuff like subscribing, ect. Forge and vanilla BlockState generator. Link to comment Share on other sites More sharing options...
Atila1091 Posted October 24, 2019 Author Share Posted October 24, 2019 I already know what causes the problem: When the player dies the capability is marked invalid and returns: LazyOptional.empty () ;. I am currently using a static internal method: ForgeEventFactory.gatherCapabilities. public static IExample getCapability(Entity entityIn) { return ForgeEventFactory.gatherCapabilities(Entity.class, entityIn, null).getCapability(CAPABILITY).orElseThrow(NullPointerException::new); } See the CapabilityProvider class to understand the problem. Quote Link to comment Share on other sites More sharing options...
Atila1091 Posted October 24, 2019 Author Share Posted October 24, 2019 44 minutes ago, Atila1091 said: I already know what causes the problem: When the player dies the capability is marked invalid and returns: LazyOptional.empty () ;. I am currently using a static internal method: ForgeEventFactory.gatherCapabilities. public static IExample getCapability(Entity entityIn) { return ForgeEventFactory.gatherCapabilities(Entity.class, entityIn, null).getCapability(CAPABILITY).orElseThrow(NullPointerException::new); } See the CapabilityProvider class to understand the problem. It was not a good idea to use this internal method. Looks like I'll have to use reflection. Quote Link to comment Share on other sites More sharing options...
Atila1091 Posted October 24, 2019 Author Share Posted October 24, 2019 14 hours ago, diesieben07 said: I believe this was fixed in 1.14.4. Do not use 1.13.2. Thanks. Quote Link to comment Share on other sites More sharing options...
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