Replacing Water Blocks With Lava in Minecraft

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Replacing Water Blocks With Lava in Minecraft
Posted On: February 20, 2023

In Minecraft (Bedrock), I'm trying to replace water blocks with lava using a /fill command, e.g., on a region already containing water (note: this command covers the entire water region, there's no water left over around the edges):.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 lava.


But when I do this, instead of replacing the water with lava, it fills the region with obsidian :(.


It works the other way around, if I do this on a pool of lava:.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 water.


Then the lava is replaced with water. It's only when going water -> lava that it turns to obsidian.


I hand-wavily tried:.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 lava 0 replace.


But it had the same result: Obsidian instead of lava.


Is there a way to replace an area of water with lava with a command?


Question from user Jason C at gaming.stackexchange.com.


Answer:

This is considered a bug: https://bugs.mojang.com/browse/MCPE-100607.


The way I'd suggest working around this bug until it's fixed is to use an in-between fill of blocks that are otherwise not present in the area and that don't have any kind of world interaction with either water or lava (e.g. stone): replace the water with stone, then the stone with lava.


(Here an example using replace, but if you're just fully filling the area, you can remove the replace part).


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 stone 0 replace water.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 lava 0 replace stone.


Answer from user Plagiatus at gaming.stackexchange.com.



[BACK]
Replacing Water Blocks With Lava in Minecraft
Posted On: February 20, 2023

In Minecraft (Bedrock), I'm trying to replace water blocks with lava using a /fill command, e.g., on a region already containing water (note: this command covers the entire water region, there's no water left over around the edges):.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 lava.


But when I do this, instead of replacing the water with lava, it fills the region with obsidian :(.


It works the other way around, if I do this on a pool of lava:.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 water.


Then the lava is replaced with water. It's only when going water -> lava that it turns to obsidian.


I hand-wavily tried:.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 lava 0 replace.


But it had the same result: Obsidian instead of lava.


Is there a way to replace an area of water with lava with a command?


Question from user Jason C at gaming.stackexchange.com.


Answer:

This is considered a bug: https://bugs.mojang.com/browse/MCPE-100607.


The way I'd suggest working around this bug until it's fixed is to use an in-between fill of blocks that are otherwise not present in the area and that don't have any kind of world interaction with either water or lava (e.g. stone): replace the water with stone, then the stone with lava.


(Here an example using replace, but if you're just fully filling the area, you can remove the replace part).


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 stone 0 replace water.


/fill ~-3 ~-1 ~-3 ~3 ~-1 ~3 lava 0 replace stone.


Answer from user Plagiatus at gaming.stackexchange.com.



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