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How to turn blocks into sand?

Corbin Matheson

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Hey all, decently skilled at Java, but new to minecraft modding.

I'm wanting to create a mod that randomly turns blocks into sand. I was considering trying to inject code into net.minecraft.block.randomTick() to the effect of if( ! (sand || air) { replace with sand}). 

I also saw there were BlockEvents, but I wasn't sure if I could filter the type of trigger or not. Would either of these approaches work and/or is there a better way to slowly turn the world to sand? 

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See this thread for a recent discussion: https://forums.minecraftforge.net/topic/113123-1182-change-vanilla-minecraft-blocks-that-have-a-custom-tag-to-my-custom-block/

But you are seriously going to break worlds if you do this indiscriminately. What if you replace end portal blocks? No more access to the end. 😞


If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com  You should also read the support forum sticky post.

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hummmm... maintaining a list using chunk loader/unloader events, and then iterating over that list every worldtick event sounds straight forward enough for my purposes. (famous last words 😁

In any case, I'm going for a alternate skyblock start / inverted regrowth concept. Trashing the end portal is the least of my worries. I need to figure out what to do if the world around spawn has decayed into a gapeing hole over the void.....

Thanks for the assist!

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