build.gradle

apply plugin: "java"

version '1.0'

targetCompatibility = 8
//switch to JavaVersion.VERSION_17 to use Java 17 features; this requires adding jabel (see dependencies block below)
sourceCompatibility = 8

sourceSets.main.java.srcDirs = ["src"]

repositories{
	mavenCentral()
		maven{ url 'https://www.jitpack.io' }
}

ext{
	//the build number that this mod is made for
	mindustryVersion = 'v131'
		jabelVersion = "0.7.0"
		sdkRoot = System.getenv("ANDROID_HOME") ?: System.getenv("ANDROID_SDK_ROOT")
}

//java 8 backwards compatibility flag
allprojects{
	tasks.withType(JavaCompile){
		options.compilerArgs.addAll(['--release', '8'])
	}
}

dependencies{
	compileOnly "com.github.Anuken.Arc:arc-core:$mindustryVersion"
		compileOnly "com.github.Anuken.Mindustry:core:$mindustryVersion"

		//you may uncomment this dependency to properly use Java 17 features while still targeting Java 8.
		//note that this fails on some systems for as-of-yet unknown reasons - if this happens to you, revert the changes
		//annotationProcessor "com.github.Anuken:jabel:$jabelVersion"
}

task jarAndroid{
	dependsOn "jar"

		doLast{
			if(!sdkRoot || !new File(sdkRoot).exists()) throw new GradleException("No valid Android SDK found. Ensure that ANDROID_HOME is set to your Android SDK directory.");

			def platformRoot = new File("$sdkRoot/platforms/").listFiles().sort().reverse().find{ f -> new File(f, "android.jar").exists()}

			if(!platformRoot) throw new GradleException("No android.jar found. Ensure that you have an Android platform installed.")

				//collect dependencies needed for desugaring
				def dependencies = (configurations.compileClasspath.asList() + configurations.runtimeClasspath.asList() + [new File(platformRoot, "android.jar")]).collect{ "--classpath $it.path" }.join(" ")

					//dex and desugar files - this requires d8 in your PATH
					"d8 $dependencies --min-api 14 --output ${project.archivesBaseName}Android.jar ${project.archivesBaseName}Desktop.jar"
					.execute(null, new File("$buildDir/libs")).waitForProcessOutput(System.out, System.err)
		}
}

jar {
	archiveFileName = "${project.archivesBaseName}Desktop.jar"

	from {
		configurations.runtimeClasspath.collect{ it.isDirectory() ? it : zipTree(it) }
	}

	from(rootDir) {
		include "mod.json"
	}

	from("assets/") {
		include "**"
	}
}

task deploy(type: Jar){
	dependsOn jarAndroid
	dependsOn jar
	archiveFileName = "${project.archivesBaseName}.jar"

	from{ [zipTree("$buildDir/libs/${project.archivesBaseName}Desktop.jar"), zipTree("$buildDir/libs/${project.archivesBaseName}Android.jar")] }

	doLast{
		delete{
			delete "$buildDir/libs/${project.archivesBaseName}Desktop.jar"
			delete "$buildDir/libs/${project.archivesBaseName}Android.jar"
		}
	}
}