Optimatica is an optimizer for .litematic files, and a couple of additional tools for manipulating schematics, like printing a material list, or replacing blocks.
The optimizer's goal is to trim down some builds that, as a result of clones & fills in creative mode, end up having many blocks that are invisible, but still inflate the material list.
The optimization process goes as follow:
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Add one block to your build that's "outside", i.e. in the area of the build that the players would normally be. Pick something that your build doesn't use, e.g.
minecraft:blue_wool -
Run the optimizer and tell it what block you used.
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The optimizer will "flood fill" the schematic starting on the block from step 1.
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Any block that is not touched by the virtual flood will be replaced by air.
Right now, the optimizer has a very limited knowledge of block shapes, so it will probably not optimize many blocks it could've.
If the optimizer is not removing blocks that you know shouldn't be reachable from the starting block, try these options:
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--rainbowactually fills up the air in the schematic with a rainbow pattern built with wool & concrete blocks, starting at the starting block; load the resulting schematic in Minecraft and use Litematica's single-layer render mode to see how Optimatica's flood-fill moved from the starting block towards the inside of the build. If there's only one or two leaks, this could be enough. -
--inside <block_id>: before running the optimizer, place another block on an area of the build that you consider to be "inside", i.e., unreachable; Optimatica will stop the flood fill if it finds the "inside" block and it will build the path to it from the starting block. See where that path crosses your walls, patch your build, and try optimizing again.
a dummy change to test the jenkins integration