build.gradle

plugins {
    id 'java'
}

group 'com.scrappers'
version '3.0-TestCase'
sourceCompatibility = 1.8
mainClassName = 'GPIOJmeCarTest'
String dependenciesString = ""


repositories {
    mavenCentral()
    /*add repositories of jcenter,bintray,jtpack.io*/
    jcenter()
    maven { url 'https://jitpack.io' }
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
    
    /**jme3 core libraries from jcenter & Miniev3.1.0 for arm32 or armhf or armv7l or cortex-A(application)72 that runs on raspiberry pi4 model b*/
    
    implementation "org.jmonkeyengine:jme3-core:3.3.2-stable"
    implementation "org.jmonkeyengine:jme3-lwjgl3:3.3.2-stable"
    implementation "org.jmonkeyengine:jme3-desktop:3.3.2-stable"
    implementation 'com.github.stephengold:Minie:3.1.0'
    
    /**don't forget this in order to extract the native library lwjgllib-arm32 for arm32 linux raspiOS*/
    
    implementation "org.lwjgl:lwjgl:3.2.3:natives-linux-arm32"

    /** if you encounter any problem w/ extraction of .so object files or native libraries of other lwjgl component please add what's missing from lwjgl repositories
    *   implementation "org.lwjgl:lwjgl-glfw:3.2.3:natives-linux-arm32"
    *   implementation "org.lwjgl:lwjgl-opengl:3.2.3:natives-linux-arm32"
    *   implementation "org.lwjgl:lwjgl-openal:3.2.3:natives-linux-arm32"
    *   implementation "org.lwjgl:lwjgl-jemalloc:3.2.3:natives-linux-arm32"
    */

    /**if you will use GPIO Joystick module to control anything */
    
    implementation 'com.github.Scrappers-glitch:JoystickModule:1.0.9R'
    
    /**or if you will use Pi4J gradle implemented from wPi native library
     * 
     *     implementation "com.pi4j:pi4j-core:1.2"
     *     implementation "com.pi4j:pi4j-gpio-extension:1.2"
     *     implementation "com.pi4j:pi4j-device:1.2"
     * 
     * */
}
task copyJars(type: Copy) {
    from (sourceSets.main.runtimeClasspath){
        include '**/*.jar'
    }
    from(sourceSets.main.compileClasspath){
        include '**/*.jar'
    }
    into('build/libs/dependencies')
    includeEmptyDirs = false
    setDuplicatesStrategy(DuplicatesStrategy.EXCLUDE)
}
/**
 * Better approach described below, but the 2 of them are vial ones
 */
task createJar(type : Jar, dependsOn : copyJars){
    //get the copied jars
    final String project = rootDir.getPath()
    final File dependencies = new File(project + "/build/libs/dependencies/")
    if(dependencies.exists()) {
        if (dependencies.listFiles().length > 0) {
            final File[] files = dependencies.listFiles()
            for (int i = 0; i < files.length; i++) {
                final String fileName = files[i].getName()
                if (fileName.contains(".jar")) {
                    dependenciesString += "dependencies/" + fileName + " "
                }
            }
        }
    }
    manifest{
        attributes('Main-Class': mainClassName)
        //pass the jars to the manifest
        attributes('Class-Path' : dependenciesString)
        attributes('Created-By' : 'JmeCarPhysics')
    }
    with jar
}