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109 lines
2.3 KiB
Markdown
109 lines
2.3 KiB
Markdown
## Usage
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* `//undo` undo the latest worldedit command
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* `//redo` redo what was just undone
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* `//show_journal` view what can be undone and redone
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* With the [more_chatcommands](https://github.com/red-001/more_chatcommands)
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mod, other player's changes can be undone with `/run_as <playername> //undo`,
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where `<playername>` is the other player's name.
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Undoing reverts changes of nodes (name, param1 and param2) and metadata.
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Node timers are not yet supported.
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The undo functionality should help against accidents;
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however, it should not be considered reliable since there is no guarantee that
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undoing always is possible or works correctly.
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The changes of nodes after invoking a command such as /set are compressed to
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improve memory usage.
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## Related issues:
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* https://github.com/Uberi/Minetest-WorldEdit/issues/43
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* https://forum.minetest.net/viewtopic.php?p=296543#p296543
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## Implemented and missing Worldedit commands
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#### Supported chatcommands
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* /pos1 and /1
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* /pos2 and /2
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* /p
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* /set and /s
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* /mix
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* /replace and /r
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* /replaceinverse and /ri
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* /orient
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* /flip
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* /cube and /hollowcube
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* /sphere and /spr
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* /hollowsphere and /hspr
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* /dome and /do
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* /hollowdome and /hdo
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* /cylinder and /cyl
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* /hollowcylinder and /hcyl
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* /pyramid and /pyr
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* /hollowpyramid and /hpyr
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* /spiral
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* /load
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* /mtschemplace
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* /luatransform (nodes and metadata changes inside the selected area)
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* /y
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* /n
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#### Ignored chatcommands
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* /lua
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* /clearobjects
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* /fixlight
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* /save
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* /mtschemcreate
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* /mtschemprob
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* /hide
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* /suppress
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* /highlight
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* /restore
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* /inspect /i
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* /mark /mk
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* /unmark /umk
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* /volume and /v
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* /about
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#### Not yet implemented
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* /fixedpos /fp
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* /reset /rst
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* /shift
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* /expand
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* /contract
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* /outset
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* /inset
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* /copy
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* /move
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* /stack
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* /stack2
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* /drain
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* /allocate
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* /deleteblocks
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#### Partly implemented
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* /transpose (the marker position change is not saved)
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* /rotate (the marker position change is not saved)
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* /stretch (the marker position change is not saved)
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## TODO
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* Allow undoing changes which happened before other changes (considered unsafe)
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e.g. //undo ~1 to undo the change before the latest one
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* Add code for more of the WorldEdit chat commands (see the lists above)
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* Add a verbose option to the //show_journal output to show detailed information
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such as the UTC time when the changes happened and the required memory to
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store them
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