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Landscape

Introduction

Landscape is an alternative format for Minecraft worlds that focuses primarily on speed and simplicity originally designed for Machine server.

Goals and features

  • Designed for large generated worlds with variable height
  • Fast loading and saving times
  • NBT, tile entities, ticking blocks and biomes support
  • Doesn't load whole chunks but only their segments (16x16x16 sections)
  • Thread-safe
  • Easy to use
  • Automatic memory management

Maven information

Landscape is available from machine-repository-releases

Maven

<repository>
    <id>machinemc-repository-releases</id>
    <name>MachineMC Repository</name>
    <url>https://repo.machinemc.org/releases</url>
</repository>
<dependency>
    <groupId>org.machinemc</groupId>
    <artifactId>landscape</artifactId>
    <version>{version}</version>
</dependency>

Gradle

maven {
    url = uri("https://repo.machinemc.org/releases")
}
implementation("org.machinemc:landscape:{version}")

File format

Name format: r_x_y.ls, x and y being the Landscape coordinates

File content:

Header (12 bytes) Lookup Table (8 bytes per segment) Segments data
short version, int x, int y, short height (int position, int length) per segment data per segment

Usage

Loading a segment

// Creates new or loads already existing Landscape file
// Height, in this case 256, doesn't have to be specified for already existing files
Landscape landscape = Landscape.of(dir, 0, 0, (short) 256, handler);
// Loads a segment at coordinates (0, 0, 0)
Segment segment = landscape.loadSegment(0 , 0, 0);

Reading a segment

// Reading information about block at coordinates (0, 0, 0) in the segment
String block = segment.getBlock(0, 0, 0); // getting saved block type
NBTCompound nbt = segment.getNBT(0, 0, 0); // getting NBT of the block
boolean isTicking segment.isTicking(0, 0, 0); // whether the block is saved as ticking

Writing to a segment

// Writing information about a block at coordinates (0, 0, 0) in the segment
segment.setBlock(0, 0, 0, "minecraft:cobblestone", compound, false);
// After writing all the information to the segment we need to push it to
// make sure the changes save once the landscape instance is flushed
segment.push();

// ...

// Saves all pushed and referenced segments to the file and clears segments that
// are no longer referenced in the code
landscape.flush();

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Alternative Minecraft region format

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