mc/mods/nosingleplayer/build.gradle

// SurviePote - nosingleplayer : build SANS loom.
// MC 26.3 n'est plus obfusqué (noms Mojang lisibles dans le jar vanilla) et Mojang ne
// publie plus de mappings (pas de client_mappings/server_mappings, pas de Yarn 26.x).
// On compile directement contre le jar client Mojang + loader/mixin en compileOnly.
plugins {
    id 'java'
}

version = project.mod_version
group = project.maven_group

base {
    archivesName = project.archives_base_name
}

def mcDir = layout.buildDirectory.dir('mc')

tasks.register('downloadMcLibs') {
    def manifestUrl = 'https://piston-meta.mojang.com/mc/game/version_manifest_v2.json'
    def mcVersion = project.minecraft_version
    def loaderVersion = project.loader_version
    outputs.dir(mcDir)
    doLast {
        def outDir = mcDir.get().asFile
        outDir.mkdirs()
        def dl = { String url, File dest ->
            if (!dest.exists()) {
                println "Téléchargement ${dest.name} ..."
                new URL(url).withInputStream { i -> dest.withOutputStream { it << i } }
            }
        }
        def manifest = new groovy.json.JsonSlurper().parse(new URL(manifestUrl))
        def entry = manifest.versions.find { it.id == mcVersion }
        if (entry == null) throw new GradleException("Version MC introuvable : ${mcVersion}")
        def versionJson = new groovy.json.JsonSlurper().parse(new URL(entry.url))
        dl(versionJson.downloads.client.url, new File(outDir, 'client.jar'))
        dl("https://maven.fabricmc.net/net/fabricmc/fabric-loader/${loaderVersion}/fabric-loader-${loaderVersion}.jar",
            new File(outDir, 'fabric-loader.jar'))
        dl('https://maven.fabricmc.net/net/fabricmc/sponge-mixin/0.17.5+mixin.0.8.7/sponge-mixin-0.17.5+mixin.0.8.7.jar',
            new File(outDir, 'sponge-mixin.jar'))
        dl('https://repo1.maven.org/maven2/org/slf4j/slf4j-api/2.0.17/slf4j-api-2.0.17.jar',
            new File(outDir, 'slf4j-api.jar'))
        dl('https://libraries.minecraft.net/com/mojang/brigadier/1.3.11/brigadier-1.3.11.jar',
            new File(outDir, 'brigadier.jar'))
    }
}

dependencies {
    compileOnly files({ tasks.named('downloadMcLibs').map { mcDir.get().asFile.listFiles().findAll { it.name.endsWith('.jar') } } })
}

tasks.withType(JavaCompile).configureEach {
    it.options.release = 25
    it.dependsOn('downloadMcLibs')
}

processResources {
    inputs.property 'version', project.version
    filesMatching('fabric.mod.json') {
        expand 'version': project.version
    }
}

java {
    withSourcesJar()
}

// ---------------------------------------------------------------------------
// Dev : lance le vrai client MC 26.3 + nosingleplayer (build sans loom).
// Réutilise l'installation commune du launcher SurviePote (~/.surviepote/common :
// versions, libraries, assets — remplie au premier lancement). Le mod est copié
// dans runClient/game/mods/ (Knot le découvre comme un mod Fabric classique).
// Usage : ./gradlew runClient
// ---------------------------------------------------------------------------
def survieCommon = new File(System.getProperty('user.home'), '.surviepote/common')
def mcVersion = project.minecraft_version
def loaderVersion = project.loader_version

tasks.register('extractClientNatives', Copy) {
    def versionJson = new groovy.json.JsonSlurper().parse(
        new File(survieCommon, "versions/${mcVersion}/${mcVersion}.json"))
    from(versionJson.libraries.findAll { lib ->
        lib.name.contains(':natives-linux') && (lib.rules == null || lib.rules.any { it.action == 'allow' && (it.os == null || it.os.name == 'linux') })
    }.collect { lib ->
        zipTree(new File(survieCommon, "libraries/${lib.downloads.artifact.path}"))
    })
    into(layout.buildDirectory.dir('runClient/natives'))
    include('**/*.so')
    eachFile { f -> f.path = f.name }
}

tasks.register('runClient', JavaExec) {
    dependsOn('extractClientNatives', 'jar')
    group = 'fabric'
    description = 'Lance le client Minecraft avec le mod (dev visuel, sans loom).'

    def versionJson = new groovy.json.JsonSlurper().parse(
        new File(survieCommon, "versions/${mcVersion}/${mcVersion}.json"))
    def fabricJson = new groovy.json.JsonSlurper().parse(
        new File(survieCommon, "versions/${mcVersion}-fabric-${loaderVersion}/${mcVersion}-fabric-${loaderVersion}.json"))
    def mavenToPath = { String coord ->
        def parts = coord.split(':')
        return "${parts[0].replace('.', '/')}/${parts[1]}/${parts[2]}/${parts[1]}-${parts[2]}.jar"
    }

    doFirst {
        def modsDir = layout.buildDirectory.dir('runClient/game/mods').get().asFile
        delete(modsDir)
        modsDir.mkdirs()
        copy {
            from(tasks.named('jar'))
            into(modsDir)
        }
    }

    // NixOS : dlopen ne voit ni libGL ni libvulkan sans LD_LIBRARY_PATH (cf launcher).
    def nixStore = new File('/nix/store')
    def glDirs = []
    ['/run/opengl-driver/lib', '/run/current-system/sw/lib'].each { d ->
        if (new File(d).exists()) glDirs << d
    }
    if (nixStore.exists()) {
        nixStore.eachDir { e ->
            def n = e.name
            if (n.contains('libglvnd') || n.contains('vulkan-loader') || n.contains('alsa-lib')
                || n.contains('pulseaudio') || (n.contains('pipewire') && !n.contains('python'))) {
                def lib = new File(e, 'lib')
                if (lib.exists()) glDirs << lib.absolutePath
            }
        }
    }
    def prevLd = System.getenv('LD_LIBRARY_PATH')
    environment('LD_LIBRARY_PATH', (prevLd ? prevLd + ':' : '') + glDirs.join(':'))
    if (!System.getenv('SDL_VIDEODRIVER') && (System.getenv('WAYLAND_DISPLAY') || new File('/run/user/1000/wayland-1').exists())) {
        environment('SDL_VIDEODRIVER', 'wayland')
    }

    javaLauncher = javaToolchains.launcherFor { languageVersion = JavaLanguageVersion.of(25) }
    classpath = files(
        new File(survieCommon, "versions/${mcVersion}/${mcVersion}.jar"),
        versionJson.libraries.findAll { lib ->
            !(lib.name.contains(':natives-')) && (lib.rules == null || lib.rules.any { it.action == 'allow' && (it.os == null || it.os.name == 'linux') })
        }.collect { new File(survieCommon, "libraries/${it.downloads.artifact.path}") },
        fabricJson.libraries.collect { new File(survieCommon, "libraries/${mavenToPath(it.name)}") }
    )
    mainClass = 'net.fabricmc.loader.impl.launch.knot.KnotClient'
    args = [
        '--gameDir', layout.buildDirectory.dir('runClient/game').get().asFile.absolutePath,
        '--assetsDir', new File(survieCommon, 'assets').absolutePath,
        '--assetIndex', versionJson.assetIndex.id,
        '--version', "${project.archives_base_name}-dev",
        '--username', 'Dev', '--uuid', '00000000-0000-0000-0000-000000000000',
        '--accessToken', '0', '--versionType', 'release'
    ]
    jvmArgs = [
        "-Djava.library.path=${layout.buildDirectory.dir('runClient/natives').get().asFile.absolutePath}",
        '-Xmx4G'
    ]
    systemProperties['org.lwjgl.util.Debug'] = 'false'
}