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1.8 - Remove a world saved data


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Hello :)


I want to remove a custom WorldSavedData, how can I do this ?


In my mod, I need to store things for each explosion. Each explosion will have an WorldSavedData object.

I will replace all block by the explosion, when no more block left, I want to remove the WorldSavedData entry.


I don't want to just remove it from Map, I want to remove it from file.

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I think you might be missunderstanding what WorldSavedData is. Its kinda of like IExtendedEntityProperties.


Create ONE WorldSavedData per world that is corresponding to your mod. In that WSD hold a MAP or ARRAY of custom objects that store your "explosions".

Use whatever you like to remove those "explosions" from map/array.


In WSD#write/readNBT use NBTTagList and create NBT-list with your custom "explosion" objects.

1.7.10 is no longer supported by forge, you are on your own.

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The problem is that I don't want to load all data in RAM.

If I have one WorldSavedData wich contains all my explosion data in a Collection, all will be loaded.

How can I solve this problem using the minecraft save system ?


I wanted to use ChunkDataEvent to store explosionID wich is my WorldSavedData key.

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That data will be loaded no matter if you have one or several WSD - that's what it is for. (Edit: I feel retarded, for forgetting that).


If you want to load-on-demand you need to write your own saving system.

Pretty simple. Make your directory with explosions and save them per-date or something using CompressedStreamTools.

1.7.10 is no longer supported by forge, you are on your own.

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