build.gradle

buildscript {
    repositories {
        maven {
            url = 'https://files.minecraftforge.net/maven'
        }
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '3.+', changing: true
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.10"
    }
}
apply plugin: 'net.minecraftforge.gradle'
// Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
apply plugin: 'kotlin'
apply plugin: 'idea'
apply plugin: 'eclipse'
apply plugin: 'maven-publish'

version = project.minecraft_version + '-' + project.mod_version
group = project.maven_group
archivesBaseName = project.archives_base_name

sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8' // Need this here so eclipse task generates correctly.

println('Java: ' + System.getProperty('java.version') + ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ') Arch: ' + System.getProperty('os.arch'))

minecraft {
    mappings channel: project.mappings_channel, version: project.mappings_version
    // makeObfSourceJar = false // an Srg named sources jar is made by default. uncomment this to disable.

    accessTransformer = file('src/main/resources/META-INF/accesstransformer.cfg')

    // Default run configurations.
    // These can be tweaked, removed, or duplicated as needed.
    runs {
        client {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            mods {
                rubymod {
                    source sourceSets.main
                }
            }
        }

        server {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            mods {
                rubymod {
                    source sourceSets.main
                }
            }
        }

        data {
            workingDirectory project.file('run')

            // Recommended logging data for a userdev environment
            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'

            // Recommended logging level for the console
            property 'forge.logging.console.level', 'debug'

            args '--mod', project.modid, '--all', '--output', file('src/generated/resources/'), "--existing", file('src/main/resources/')

            mods {
                rubymod {
                    source sourceSets.main
                }
            }
        }
    }
}

repositories {
    maven {
        name = 'Kotlin for Forge'
        url = 'https://thedarkcolour.github.io/KotlinForForge/'
    }
}

dependencies {
    implementation 'org.jetbrains:annotations:19.0.0'

    minecraft 'net.minecraftforge:forge:' + project.minecraft_version + '-' + project.forge_version

    // Use the latest version of KotlinForForge
    fg.deobf(implementation('thedarkcolour:kotlinforforge:1.6.0'))
}

compileKotlin {
    kotlinOptions {
        jvmTarget = '1.8'
    }
}

jar {
    manifest {
        attributes([
                "Specification-Title"     : project.modid,
                "Specification-Vendor"    : project.author,
                "Specification-Version"   : "1", // We are version 1 of ourselves
                "Implementation-Title"    : project.name,
                "Implementation-Version"  : project.version,
                "Implementation-Vendor"   : project.author,
                "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
        ])
    }
}

// Example configuration to allow publishing using the maven-publish task
// This is the preferred method to reobfuscate your jar file
jar.finalizedBy('reobfJar')
// However if you are in a multi-project build, dev time needs unobfed jar files, so you can delay the obfuscation until publishing by doing
//publish.dependsOn('reobfJar')

task sourcesJar(type: Jar, dependsOn: classes) {
    classifier = 'sources'
    from sourceSets.main.allSource
}

build.dependsOn sourcesJar

artifacts {
    archives sourcesJar
}

// Process resources on build
processResources {
    // This will ensure that this task is redone when the versions change.
    inputs.property 'version', project.version

    // Replace stuff in mods.toml, nothing else
    from(sourceSets.main.resources.srcDirs) {
        include 'META-INF/mods.toml'

        // Replace version
        expand 'version': project.version
    }

    // Copy everything else except the mods.toml
    from(sourceSets.main.resources.srcDirs) {
        exclude 'META-INF/mods.toml'
    }
}

publishing {
    publications {
        mavenJava(MavenPublication) {
            artifact jar
        }
    }

    repositories {
        maven {
            url "file:///${project.projectDir}/mcmodsrepo"
        }
    }
}