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💜 LiteIndex - Fast library for indexing box/area in space by vectors/location/position.

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Rollczi/LiteIndex

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💜 LiteIndex - Fast and extensive library for indexing box/area in space by vectors/location/position based on hash indexing.

Simple Example

publicclassMain {publicstaticvoidmain(String[]args) {intSPACE_SIZE =10_000;intAREA_SIZE =80;// create indexSpaceIndex<Area,Location>index =SpaceIndex.<Area,Location>builder()            .axisX(location ->location.getX())            .axisZ(location ->location.getZ())            .axisY(location ->location.getY())            .space(area ->area.getMin(),area ->area.getMax())            .indexing(IndexingAlgorithm.calculateOptimal(SPACE_SIZE,AREA_SIZE))            .concurrent(false)            .build();// put areas to indexindex.put(newArea(newLocation(0,0,0),newLocation(10,10,10)));index.put(newArea(newLocation(3,3,3),newLocation(7,7,7)));index.put(newArea(newLocation(5,5,5),newLocation(15,15,15)));// fast searchList<Area>areas =index.get(newLocation(5,5,5));    }}

Variables:It's not limit, it's just for optimization and memory saving.

  • MAP_SIZE - expected maximum size of space
  • AREA_SIZE - expected maximum size of area

SpaceIndex builder

  • axisX - function for gettingX coordinate
  • axisZ - function for gettingZ coordinate
  • axisY - function for gettingY coordinate
  • space - function for gettingmin andmax location from area
  • indexing - set indexing algorithm (configure forbetter performance)
  • concurrent - set concurrent mode (if you want to use index in multiple threads)

SpaceIndex methods

  • put - put area to index
  • get - get areas by location
  • getAll - get all areas from index
  • getFirst - get first area by location
  • remove - remove area from index
  • removeAll - remove all areas from index
  • contains - check if index contains area
  • size - get size of index

IndexingAlgorithm

  • calculateOptimal - calculate optimal indexing algorithm for your space and area size
  • chunk - create indexing algorithm(advanced)

Gradle

repositories {    maven("https://repo.eternalcode.pl/releases")}
dependencies {    implementation("dev.rollczi:liteindex:1.0.0")}

Maven

<repositories>    <repository>        <id>eternalcode-repo</id>        <url>https://repo.eternalcode.pl/releases</url>    </repository></repositories>
<dependencies>    <dependency>        <groupId>dev.rollczi</groupId>        <artifactId>liteindex</artifactId>        <version>1.0.0</version>    </dependency></dependencies>

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💜 LiteIndex - Fast library for indexing box/area in space by vectors/location/position.

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