build.gradle

import arc.files.*
import arc.util.*
import arc.util.serialization.Jval

import java.util.regex.*

buildscript{
    dependencies{
        classpath "com.github.Anuken.Arc:arc-core:$arcVersion"
    }

    repositories{
        mavenCentral()
        maven{url 'https://oss.sonatype.org/content/repositories/snapshots/'}
        maven{url 'https://oss.sonatype.org/content/repositories/releases/'}
        maven{url 'https://raw.githubusercontent.com/Zelaux/MindustryRepo/master/repository'}
        maven{url 'https://jitpack.io'}
    }
}

plugins{
    // Register `EntityAnno` plugin, but only apply on `rootProject`.
    id 'java'
    id 'com.github.GlennFolker.EntityAnno' version "$entVersion" apply false
}

configure(allprojects){
    sourceSets.main.java.srcDirs = [layout.projectDirectory.dir('src')]

    ext{
        compilerVersion = JavaVersion.current().ordinal() - JavaVersion.VERSION_17.ordinal() + 17
        useJitpack = Boolean.valueOf(mindustryBE)

        arc = {String module ->
            return "com.github.Anuken.Arc$module:$arcVersion"
        }

        mindustry = {String module ->
            return "com.github.Anuken.Mindustry$module:$mindustryVersion"
        }
    }

    configurations.configureEach{
        // Resolve the correct Mindustry dependency, and force Arc version.
        resolutionStrategy.eachDependency{
            if(useJitpack && requested.group == 'com.github.Anuken.Mindustry'){
                useTarget "com.github.Anuken.MindustryJitpack:$it.requested.name:$mindustryBEVersion"
            }

            if(requested.group == 'com.github.Anuken.Arc'){
                useVersion arcVersion
            }
        }
    }

    dependencies{
        // Downgrade Java 9+ syntax into being available in Java 8.
        annotationProcessor "com.github.GlennFolker.EntityAnno:downgrader:$entVersion"
    }

    repositories{
        // Necessary Maven repositories to pull dependencies from.
        mavenCentral()
        maven{url 'https://oss.sonatype.org/content/repositories/snapshots/'}
        maven{url 'https://oss.sonatype.org/content/repositories/releases/'}

        // Use Zelaux's non-buggy repository for release Mindustry and Arc builds.
        if(!useJitpack) maven{url 'https://raw.githubusercontent.com/Zelaux/MindustryRepo/master/repository'}
        maven{url 'https://jitpack.io'}
    }

    tasks.withType(JavaCompile).configureEach{
        // Use Java 17+ syntax, but target Java 8 bytecode version.
        sourceCompatibility = compilerVersion
        options.release.set 8
        options.compilerArgs << '-Xlint:-options'

        options.incremental = true
        options.encoding = 'UTF-8'
    }
}

configure(rootProject){
    // Apply `EntityAnno` plugin to integrate the annotation processors.
    apply plugin: 'com.github.GlennFolker.EntityAnno'

    entityAnno{
        modName = property('modName')
        mindustryVersion = property(useJitpack ? 'mindustryBEVersion' : 'mindustryVersion')
        isJitpack = useJitpack
        revisionDir = layout.projectDirectory.dir('revisions').asFile
        fetchPackage = modFetch
        genSrcPackage = modGenSrc
        genPackage = modGen
    }

    dependencies{
        // Use the entity generation annotation processor.
        compileOnly "com.github.GlennFolker.EntityAnno:entity:$entVersion"
        kapt "com.github.GlennFolker.EntityAnno:entity:$entVersion"

        // Depend on Mindustry/Arc classpath.
        compileOnly "${mindustry(':core')}"
        compileOnly "${arc(':arc-core')}"
    }

    jar{
        archiveFileName = "${modArtifact}Desktop.jar"

        from files(sourceSets.main.output.classesDirs)
        from files(sourceSets.main.output.resourcesDir)
        from configurations.runtimeClasspath.collect{it.isDirectory() ? it : zipTree(it)}

        from files(layout.projectDirectory.dir('assets'))
        from layout.projectDirectory.file('icon.png')

        def meta = file("$temporaryDir/mod.json")
        from meta

        metaInf{
            from layout.projectDirectory.file('LICENSE')
        }

        doFirst{
            // Deliberately check if the mod meta is actually written in HJSON, since, well, some people actually use it.
            // But this is also not mentioned in the `README.md`, for the mischievous reason of driving beginners into using
            // JSON instead.
            def metaJson = layout.projectDirectory.file('mod.json')
            def metaHjson = layout.projectDirectory.file('mod.hjson')
            if(metaJson.asFile.exists() && metaHjson.asFile.exists()){
                throw new GradleException('Ambiguous mod meta: both `mod.json` and `mod.hjson` exist.')
            }else if(!metaJson.asFile.exists() && !metaHjson.asFile.exists()){
                throw new GradleException('Missing mod meta: neither `mod.json` nor `mod.hjson` exist.')
            }
            def isJson = metaJson.asFile.exists()

            def map = (isJson ? metaJson : metaHjson).asFile.withReader{Jval.read(it)}
            map.put('name', modName)
            meta.withWriter{map.writeTo(it, Jval.Jformat.formatted)}
        }
    }

    tasks.register('dex', Jar){
        inputs.files tasks.jar
        archiveFileName = "${modArtifact}.jar"

        final def desktopJar = tasks.jar.archiveFile
        final def dexJar = file("$temporaryDir/Dexed.jar")

        from zipTree(desktopJar), zipTree(dexJar)
        doFirst{
            // Find Android SDK root.
            def sdkRoot = file(
                System.getenv('ANDROID_SDK_ROOT') ?: System.getenv('ANDROID_HOME') ?:
                { throw new GradleException('Neither `ANDROID_SDK_ROOT` nor `ANDROID_HOME` is set') }
            )

            // Find `d8`.
            def d8 = file("$sdkRoot/build-tools/$androidBuildVersion/d8")
            if(!d8.exists()){
                throw new GradleException("Android SDK `build-tools;$androidBuildVersion` isn't installed or is corrupted")
            }

            // Initialize a release build.
            def input = desktopJar.get().asFile
            def command = "$d8 --release --min-api $androidMinVersion --output $dexJar $input"

            // Include all compile and runtime classpath.
            (configurations.compileClasspath.asList() + configurations.runtimeClasspath.asList()).forEach{
                if(it.exists()) command = "$command --classpath $it"
            }

            // Include Android platform as library.
            def androidJar = file("$sdkRoot/platforms/android-$androidSdkVersion/android.jar")
            if(!androidJar.exists()){
                throw new GradleException("Android SDK `platforms;android-$androidSdkVersion` isn't installed or is corrupted")
            }

            command = "$command --lib $androidJar"
            if(OS.isWindows) command = "cmd /c $command"

            // Run `d8`.
            logger.log(LogLevel.LIFECYCLE, 'Running `d8`.')
            command.execute(null, layout.projectDirectory.asFile).waitForProcessOutput(System.out, System.err)
        }
    }
}

for(def i = 0; i < 2; i++){
    final def isDex = i == 1
    final def name = isDex ? 'installDex' : 'install'
    final def input = isDex ? tasks.dex : tasks.jar

    tasks.register(name){
        inputs.files input
        doLast{
            def folder = Fi.get(OS.getAppDataDirectoryString('Mindustry')).child('mods')
            folder.mkdirs()

            folder.child(tasks.jar.archiveFileName.get()).delete()
            folder.child(tasks.dex.archiveFileName.get()).delete()

            new Fi(input.archiveFile.get().asFile).copyTo(folder)
            logger.log(LogLevel.LIFECYCLE, "Copied :${isDex ? 'dex' : 'jar'} output to $folder.")
        }
    }
}