Commands let players perform actions and customize gameplay using text-based instructions. Use this topic to share feedback and ideas for improving commands and related tools.

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NBT conserved when using /fill

Currently, when you use the command 

"/fill <x1> <y1> <z1> <x2> <y2> <z2> minecraft:stone_brick_stairs replace minecraft:spruce_stairs"

it replaces all spruce stairs with stone brick stairs that have this blockstate:"[facing=north, half=bottom, shape=straight, waterlogged=false]". 

But say you're changing the roof of your house, you don't want just those. Ideally you want the stairs to stay the same, and only change type. 

I suggest that when blocks with blockstates are changed to another block with the same blockstate options, the blockstate is conserved, so changing your roof doesn't mess it up.

Obviously, if a different blockstate is specified in the command, it adopts that blockstate instead. 

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    Registered User commented
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    Probably should be some type of option. Could it not be better implemented to have a similar thing to /data merge but for a fill area of blocks?

  • 2
    Registered User commented
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    Why does your title say NBT if the post is about blockstates?