Mass-Replacer

Block replacing in the entire Minecraft world

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Dependencies

• Region-Manipulator (.mca file reader/writer): https://github.com/PowerNukkit/Region-Manipulator, https://github.com/smartin1018/Region-Manipulator/tree/1.18.1
• Commons-CLI (Arguments parser): https://commons.apache.org/proper/commons-cli/
• GSon (JSON implementation): https://github.com/google/gson

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Description

This application allows you to replace certain blocks (including blocks from mods) in the entire Minecraft world! This works even with very large worlds (takes more time).

Mass-Replacer copies the world, then opens each .mca file and replaces the specified blocks

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How to use

1. Download and install JRE or JDK. Type java -version to check it

2. Download .zip from releases (or build from sources)

3. Unpack .jar and .json files from archive

4. Put your blocks to replace into blocks.json

   Example:

   [
     {
       "from": "minecraft:grass_block",
       "to": "minecraft:diamond_block"
     },
     {
       "from": "minecraft:sand",
       "to": "minecraft:gold_block"
     }
   ]

5. Run Mass-Replacer: java -jar Mass-Replacer-X.X-SNAPSHOT.jar -world "PATH_TO_WORLD_DIR" -out "PATH_TO_NEW_WORLD"

   Example:

   java -jar Mass-Replacer-1.0-SNAPSHOT-all.jar -world "%AppData%\.minecraft\saves\New World" -out "%AppData%\.minecraft\saves\New World2"

6. Wait

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Build from source

1. Install JDK
2. Clone repo: git clone https://github.com/F33RNI/Mass-Replacer
3. Run gradle buildApp
4. .jar and blocks.json will be in build/libs directory