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github.com/Querz/mcaselector @2.8

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README

MCA Selector

An external tool to export or delete selected chunks and regions from a world save of Minecraft Java Edition.

MCA Selector window showing chunk and region grid

MCA Selector modifies and deletes chunks in your Minecraft world. Please make backups of your world before using.

Download Version 2.8 (Windows Installer)

Download Version 2.8 (macOS arm64)

Download Version 2.8 (macOS x64)

Download Version 2.8 (DEB arm64)

Download Version 2.8 (DEB x64)

Download Version 2.8 (RPM arm64)

Download Version 2.8 (RPM x64)

Download Version 2.8 (Universal jar)

Wiki

The wiki can be found here.

Video Tutorials

For people who prefer watching a video to understand how the MCA Selector works, there some very good tutorials on YouTube explaining the basics:

Supported Versions

MCA Selector currently supports the following Minecraft versions:

Minecraft Version	DataVersion
1.2.1 - 1.12.2	None - 1343
1.13 - 1.13.2	1444 - 1631
1.14 - 1.14.4	1901 - 1976
1.15 - 1.15.2	2200 - 2230
1.16 - 1.16.5	2566 - 2586
1.17 - 1.17.1	2724 - 2730
1.18 - 1.18.2	2825 - 2975
1.19 - 1.19.4	3105 - 3337
1.20 - 1.20.6	3463 - 3839
1.21 - 1.21.11	3953 - 4671
26.1 - 26.2+	4764 - 4902+

There is no guarantee for worlds generated in a Snapshot version to work, even if it is specified in the table above. This only represents the current development status towards the next Minecraft release. Old Snapshots of past Minecraft releases are not officially supported.

Extension points exported contracts — how you extend this code

ColorMapping (Interface)

(no doc) [14 implementers]

src/main/java/net/querz/mcaselector/version/ColorMapping.java

ChunkRenderer (Interface)

(no doc) [9 implementers]

src/main/java/net/querz/mcaselector/version/ChunkRenderer.java

RegionMatcher (Interface)

(no doc) [10 implementers]

src/main/java/net/querz/mcaselector/filter/RegionMatcher.java

StateColors (Interface)

(no doc) [4 implementers]

src/main/java/net/querz/mcaselector/version/mapping/color/StateColors.java

PersistentDialogProperties (Interface)

(no doc) [4 implementers]

src/main/java/net/querz/mcaselector/ui/component/PersistentDialogProperties.java

Core symbols most depended-on inside this repo

tagFromCompound

called by 432

src/main/java/net/querz/mcaselector/version/Helper.java

add

called by 291

src/main/java/net/querz/mcaselector/ui/dialog/OverlayEditorDialog.java

getValue

called by 283

src/main/java/net/querz/mcaselector/ui/component/HeightSlider.java

put

called by 222

src/main/java/net/querz/mcaselector/io/DynamicPriorityBlockingQueue.java

add

called by 167

src/main/java/net/querz/mcaselector/util/point/Point2f.java

getZ

called by 152

src/main/java/net/querz/mcaselector/util/point/Point2i.java

getRegionDirectories

called by 143

src/main/java/net/querz/mcaselector/io/Job.java

get

called by 133

src/main/java/net/querz/mcaselector/selection/ChunkSet.java

Shape

Method 2,597

Class 495

Interface 32

Enum 17

Languages

Java100%

Modules by API surface

src/main/java/net/querz/mcaselector/tile/TileMap.java98 symbols

src/main/java/net/querz/mcaselector/version/ChunkFilter.java79 symbols

src/main/java/net/querz/mcaselector/version/java_1_9/ChunkFilter_15w32a.java77 symbols

src/main/java/net/querz/mcaselector/version/java_null/ChunkFilter_Null.java65 symbols

src/main/java/net/querz/mcaselector/ui/component/NBTTreeView.java58 symbols

src/main/java/net/querz/mcaselector/version/java_1_18/ChunkFilter_21w43a.java53 symbols

src/main/java/net/querz/mcaselector/io/FileHelper.java42 symbols

src/main/java/net/querz/mcaselector/config/GlobalConfig.java41 symbols

src/main/java/net/querz/mcaselector/selection/Selection.java39 symbols

src/main/java/net/querz/mcaselector/overlay/Overlay.java37 symbols

src/main/java/net/querz/mcaselector/config/WorldConfig.java37 symbols

src/main/java/net/querz/mcaselector/version/java_1_13/ChunkFilter_18w06a.java36 symbols

For agents

$ claude mcp add mcaselector \
  -- python -m otcore.mcp_server <graph>

⬇ download graph artifact