Merge pull request 'add jij inclusions' (#3) from owlsys/jij into mistress

Reviewed-on: https://git-esnesnon.ecorous.org/esnesnon/phytotelma/pulls/3
Reviewed-by: Ecorous <ecorous@outlook.com>

.gitignore

@@ -37,3 +37,4 @@ bin/
 
 ### Mac OS ###
 .DS_Store
+.kotlin/

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    kotlin("jvm") version "1.9.23"
+    kotlin("jvm") version "2.0.0"
     `java-gradle-plugin`
     `maven-publish`
 }
@@ -21,21 +21,30 @@ repositories {
 }
 
 dependencies {
-    implementation("org.ecorous.esnesnon:nonsense-remapper:1.0.0-SNAPSHOT")
+    implementation("org.ecorous.esnesnon:thyroxine:1.0.0-SNAPSHOT")
+    implementation("org.ow2.asm:asm:9.7")
     implementation("com.google.code.gson:gson:2.10.1")
     implementation("org.vineflower:vineflower:1.10.1")
     testImplementation(kotlin("test"))
+    implementation("com.electronwill.night-config:toml:3.7.2")
+    implementation("com.google.jimfs:jimfs:1.3.0")
 }
 
 gradlePlugin {
     plugins {
-        create("nonsense-gradle") {
+        create("phytotelma") {
-            id = "org.ecorous.esnesnon.nonsense-gradle"
+            id = "org.ecorous.esnesnon.phytotelma"
-            implementationClass = "org.ecorous.esnesnon.gradle.NonsenseGradlePlugin"
+            implementationClass = "org.ecorous.esnesnon.gradle.PhytotelmaPlugin"
         }
     }
 }
 
+tasks.jar {
+    manifest {
+        attributes["Implementation-Version"] = version
+    }
+}
+
 tasks.test {
     useJUnitPlatform()
 }

settings.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
     id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
 }
-rootProject.name = "nonsense-gradle"
+rootProject.name = "phytotelma"
 

src/main/kotlin/org/ecorous/esnesnon/gradle/PhytotelmaPlugin.kt

@@ -1,7 +1,14 @@
 package org.ecorous.esnesnon.gradle
 
+import com.electronwill.nightconfig.core.CommentedConfig
+import com.electronwill.nightconfig.core.file.FileNotFoundAction
+import com.electronwill.nightconfig.core.io.WritingMode
+import com.electronwill.nightconfig.toml.TomlParser
+import com.electronwill.nightconfig.toml.TomlWriter
 import net.fabricmc.fernflower.api.IFabricJavadocProvider
+import org.ecorous.esnesnon.gradle.accesswidener.AccessWidener
 import org.ecorous.esnesnon.gradle.common.Env
+import org.ecorous.esnesnon.gradle.nest.Nester
 import org.ecorous.esnesnon.gradle.run.AssetDownloader
 import org.ecorous.esnesnon.gradle.run.RunConfigGenerator
 import org.ecorous.esnesnon.gradle.run.task.RunGameTask
@@ -15,26 +22,27 @@ import org.jetbrains.java.decompiler.main.decompiler.SingleFileSaver
 import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences
 import java.io.PrintStream
 import java.net.URI
+import java.nio.charset.StandardCharsets
+import java.nio.file.FileSystems
 import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.StandardCopyOption
-import kotlin.io.path.createDirectories
+import kotlin.io.path.*
-import kotlin.io.path.deleteExisting
-import kotlin.io.path.exists
 
 
-class NonsenseGradlePlugin : Plugin<Project> {
+class PhytotelmaPlugin : Plugin<Project> {
+
+    private val taskGroup = "frog"
 
     override fun apply(project: Project) {
         println("> Applying Nonsense Gradle Plugin")
         nonsenseCacheDir = project.gradle.gradleUserHomeDir.resolve("caches/nonsense-gradle/").toPath()
         nonsenseCacheDir.createDirectories()
 
-        project.apply {
+        project.plugins.let {
-            mapOf("plugin" to "java-library")
+            it.apply("java-library")
-            mapOf("plugin" to "eclipse")
+            it.apply("eclipse")
-            mapOf("plugin" to "idea")
+            it.apply("idea")
-            mapOf("plugin" to "maven-publish")
         }
 
         project.repositories.apply {
@@ -58,11 +66,16 @@ class NonsenseGradlePlugin : Plugin<Project> {
         project.repositories.mavenCentral()
 
         project.task("genSources").apply {
-            group = "nonsense"
+            group = taskGroup
             doFirst {
                 val fileName = remappedGameJarPath.fileName.toString()
                 val output =
-                    remappedGameJarPath.resolveSibling(fileName.substring(0, fileName.length - 13) + "-sources.jar")
+                    remappedGameJarPath.resolveSibling(
+                        fileName.substring(
+                            0,
+                            fileName.lastIndexOf("-")
+                        ) + "-sources.jar"
+                    )
                 if (output.exists()) {
                     println("Output $output already exists, deleting!")
                     output.deleteExisting()
@@ -101,7 +114,7 @@ class NonsenseGradlePlugin : Plugin<Project> {
         }
 
         project.task("genRunConfigs").apply {
-            group = "nonsense"
+            group = taskGroup
             doFirst {
                 RunConfigGenerator.generate(project)
             }
@@ -111,28 +124,61 @@ class NonsenseGradlePlugin : Plugin<Project> {
         project.tasks.register("runServer", RunGameTask::class.java, Env.SERVER)
 
         project.task("downloadAssets").apply {
-            group = "nonsense"
+            group = taskGroup
             doFirst {
                 AssetDownloader.download()
             }
         }
 
-        project.tasks.getByName("jar").actions.addLast {
+        val includeConfiguration = project.configurations.register("include") {
-            it.outputs.files.forEach {file ->
+            it.isCanBeResolved = true
-                val output = file.toPath().parent.resolveSibling("frog")
+            it.isCanBeConsumed = false
-                output.createDirectories()
+        }
-                if (file.name.endsWith(".jar") && !(file.name.contains("-dev.") || file.name.contains("-sources."))){
+
-                    Files.copy(file.toPath(), output.resolve(file.name.substring(0, file.name.length-4)+".frogmod"), StandardCopyOption.REPLACE_EXISTING)
+        project.tasks.getByName("jar") { task ->
+            task.outputs.upToDateWhen { false }
+            task.actions.addLast { _ ->
+                task.outputs.files.forEach { file ->
+                    val output = file.toPath().parent.resolveSibling("frog")
+                    output.createDirectories()
+                    if (file.name.endsWith(".jar") && !(file.name.contains("-dev.") || file.name.contains("-sources."))) {
+                        val outFile = output.resolve(file.name.substring(0, file.name.length - 4) + ".frogmod")
+                        Files.copy(file.toPath(), outFile, StandardCopyOption.REPLACE_EXISTING)
+                        FileSystems.newFileSystem(outFile).use { fs ->
+                            if (includeConfiguration.isPresent) {
+                                val jijPath = fs.getPath("META-INF/jars")
+                                val files = Nester.run(includeConfiguration.get(), jijPath).map { it.toml() }.toList()
+                                if (files.isNotEmpty()) {
+                                    val manifest = fs.getPath("frog.mod.toml")
+                                    val config: CommentedConfig =
+                                        TomlParser().parse(manifest, FileNotFoundAction.THROW_ERROR)
+                                    if (!config.add("frog.extensions.included_jars", listOf(files))) {
+                                        println("Failed to add included jars to mod manifest, make sure it doesn't include a key at 'frog.extensions.included_jars'!")
+                                    }
+                                    TomlWriter().write(config, manifest, WritingMode.REPLACE)
+                                }
+                            }
+                            val manifest = fs.getPath("META-INF/MANIFEST.MF")
+                            val lines = manifest.readLines().filter { it.isNotBlank() }
+                                .plus("""
+                                    Built-By: Phytotelma ${this.javaClass.`package`.implementationVersion}
+                                    Target-Namespace: Mojmap
+                                    Built-For: Minecraft $minecraftVersion
+                                    """.trimIndent()
+                                )
+                            manifest.writeLines(lines, StandardCharsets.UTF_8)
+                        }
+                        println("Built mod to ${outFile.toUri()}")
+                    }
                 }
             }
         }
 
-        val includeConfiguration = project.configurations.create("include").apply {
+        project.tasks.register("updateAccesswidener") {
-            extendsFrom(project.configurations.getByName("implementation"))
+            it.group = taskGroup
-        }
+            it.actions.addFirst {
-
+                AccessWidener.apply(project, remappedGameJarPath)
-        project.tasks.getByName("jar") {
+            }
-            it.outputs.files(includeConfiguration.artifacts.files)
         }
     }
 

src/main/kotlin/org/ecorous/esnesnon/gradle/VersionChecker.kt

@@ -17,7 +17,7 @@ object VersionChecker {
         fetchVersionData(version)
         val clientData = fetchClientDownload(version)
         // download client data
-        val downloadDirectory = NonsenseGradlePlugin.nonsenseCacheDir.resolve("net/minecraft/client/$version/")
+        val downloadDirectory = PhytotelmaPlugin.nonsenseCacheDir.resolve("net/minecraft/client/$version/")
         println("Directory: "+downloadDirectory.absolutePathString())
         val downloadFile = downloadDirectory.resolve("client-$version.jar")
         if (downloadFile.exists()) {

src/main/kotlin/org/ecorous/esnesnon/gradle/accesswidener/AccessWidener.kt

@@ -0,0 +1,296 @@
+package org.ecorous.esnesnon.gradle.accesswidener
+
+import com.electronwill.nightconfig.core.file.FileNotFoundAction
+import com.electronwill.nightconfig.toml.TomlParser
+import com.google.common.hash.Hashing
+import org.gradle.api.Project
+import org.gradle.api.plugins.JavaPluginExtension
+import org.objectweb.asm.*
+import java.nio.charset.StandardCharsets
+import java.nio.file.FileSystems
+import java.nio.file.Path
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.ConcurrentSkipListSet
+import java.util.regex.Pattern
+import java.util.stream.Stream
+import kotlin.io.path.bufferedReader
+import kotlin.io.path.exists
+import kotlin.io.path.readBytes
+import kotlin.io.path.writeBytes
+
+object AccessWidener {
+
+    private val PARSER = TomlParser()
+
+    private var awHash = ""
+    private val HEADER = Pattern.compile("accessWidener\\s+v[12]\\s+.*").asMatchPredicate()
+    private val SEPARATOR = "[\\t ]+".toRegex()
+
+    private fun getAWFile(project: Project): Path? {
+        project.extensions.getByType(JavaPluginExtension::class.java).sourceSets.forEach { set ->
+            set.resources.filter { it.name == "frog.mod.toml" }.firstOrNull {
+                if (it == null) {
+                    println("Please make sure a 'frog.mod.toml' file is present in the mod's resources!")
+                    return null
+                }
+                return PARSER.parse(it, FileNotFoundAction.READ_NOTHING)
+                    .get<String>("frog.extensions.frog_aw")?.let { name ->
+                        return it.resolveSibling(name).toPath()
+                    }
+            }
+        }
+        println("Please make sure a 'frog.mod.toml' file is present in the mod's resources!")
+        return null
+    }
+
+    private fun findDependencyAWs(project: Project): List<Path> {
+        return project.configurations.getByName("runtimeClasspath").resolvedConfiguration.firstLevelModuleDependencies.flatMap { dep ->
+            dep.moduleArtifacts
+        }.map { it.file }.map { it.toPath() }.toList()
+    }
+
+    fun needsUpdate(project: Project): Boolean {
+        getAWFile(project)?.let {
+            val hash = Hashing.sha256().hashBytes(it.readBytes()).toString()
+            if (hash != awHash) {
+                awHash = hash
+                return true
+            }
+        }
+        return false
+    }
+
+    private fun readAW(project: Project): Stream<String> {
+        val awFile = getAWFile(project)
+        println("Found accesswidener in project: $awFile")
+        return awFile?.bufferedReader(StandardCharsets.UTF_8)?.lines()?.map { it.replace("transitive-", "") }
+            ?: Stream.empty()
+    }
+
+    private fun readTransitiveAW(path: Path): Stream<String> {
+        return path.bufferedReader(StandardCharsets.UTF_8).lines().filter { it.startsWith("transitive-") }
+    }
+
+    private fun readAllAWs(project: Project): Stream<Entry> {
+        return Stream.concat(
+            findDependencyAWs(project).stream().flatMap { i -> readTransitiveAW(i) },
+            readAW(project)
+        )
+            .filter { it.isNotBlank() }
+            .map { if (it.contains("#")) it.split("#")[0] else it }.filter { !HEADER.test(it) }
+            .filter { it.isNotBlank() }
+            .unordered().distinct()
+            .map { it.split(SEPARATOR) }.filter { it.isNotEmpty() }.map { Entry(it) }
+    }
+
+    fun apply(project: Project, input: Path) {
+        val startTime = System.currentTimeMillis()
+        val classNames: MutableSet<String> = ConcurrentSkipListSet()
+        val classMap: MutableMap<String, Entry> = ConcurrentHashMap()
+        val methods: MutableMap<String, MutableMap<String, Entry>> = ConcurrentHashMap()
+        val fields: MutableMap<String, MutableMap<String, Entry>> = ConcurrentHashMap()
+        val mutations: MutableMap<String, MutableMap<String, Entry>> = ConcurrentHashMap()
+        val entries = readAllAWs(project)
+        entries.forEach { e ->
+            classNames.add(e.className)
+            if ("class" == e.targetType) {
+                if (e.type == AccessType.MUTABLE) {
+                    throw IllegalArgumentException("aw format error: classes can not have a 'mutable' modifier (at: $e)")
+                }
+                if (!classMap.containsKey(e.className)) {
+                    classMap[e.className] = e
+                } else {
+                    val other = classMap[e.className]!!
+                    if (e.isAccessGreaterThan(other)) {
+                        classMap[e.className] = e
+                    }
+                }
+            } else if ("method" == e.targetType) {
+                if (e.type == AccessType.MUTABLE) {
+                    throw IllegalArgumentException("aw format error: methods can not have a 'mutable' modifier (at: $e)")
+                }
+                val map = methods.computeIfAbsent(e.className) { ConcurrentHashMap() }
+                val id = e.name + e.descriptor
+                if (!map.containsKey(id)) {
+                    map[id] = e
+                } else {
+                    val other = map[id]!!
+                    if (e.isAccessGreaterThan(other)) {
+                        classMap[id] = e
+                    }
+                }
+            } else if ("field" == e.targetType) {
+                if (e.type == AccessType.EXTENDABLE) {
+                    throw IllegalArgumentException("aw format error: fields can not have a 'extendable' modifier (at: $e)")
+                }
+                val map = fields.computeIfAbsent(e.className) { ConcurrentHashMap() }
+                val id = e.name + e.descriptor
+                if (e.type == AccessType.MUTABLE) {
+                    mutations.computeIfAbsent(e.className) { ConcurrentHashMap() }.putIfAbsent(id, e)
+                } else {
+                    if (!map.containsKey(id)) {
+                        map[id] = e
+                    } else {
+                        val other = map[id]!!
+                        if (e.isAccessGreaterThan(other)) {
+                            classMap[id] = e
+                        }
+                    }
+                }
+            }
+        }
+
+        FileSystems.newFileSystem(input).use {
+            classNames.forEach { className ->
+                val file = it.getPath("/$className.class")
+                if (file.exists()) {
+                    val reader = ClassReader(file.readBytes())
+                    val writer = ClassWriter(0)
+                    val mapper = AWClassVisitor(writer, classMap, fields, methods, mutations, className)
+
+                    reader.accept(mapper, 0)
+                    file.writeBytes(writer.toByteArray())
+                }
+            }
+        }
+        println(
+            "Applied AccessWideners  (${
+                "%.2fs".format(
+                    (System.currentTimeMillis() - startTime) / 1000f
+                )
+            })"
+        )
+    }
+}
+
+data class Entry(
+    val type: AccessType,
+    val targetType: String,
+    val className: String,
+    val name: String,
+    val descriptor: String
+) {
+    constructor(line: List<String>) : this(
+        AccessType.of(line[0]),
+        line[1],
+        line[2],
+        line[3],
+        line[4]
+    )
+
+    fun isAccessGreaterThan(other: Entry): Boolean {
+        return Access.of(type.access).index < Access.of(other.type.access).index
+    }
+}
+
+enum class AccessType(val id: String, val access: Int) {
+    ACCESSIBLE("accessible", Opcodes.ACC_PUBLIC),
+    EXTENDABLE("extendable", Opcodes.ACC_PROTECTED),
+    MUTABLE("mutable", Opcodes.ACC_FINAL.inv());
+
+    companion object {
+        fun of(name: String): AccessType {
+            return entries.firstOrNull { a -> a.id == name }
+                ?: throw IllegalArgumentException("Access type '$name' is not known. Known types: ${entries.map { it.id }} (and transitive variants)")
+        }
+    }
+}
+
+private enum class Access(val index: Int) {
+    PUBLIC(1), PROTECTED(2), PACKAGE_PRIVATE(3), PRIVATE(4);
+
+    companion object {
+        fun of(access: Int): Access {
+            if ((access and Opcodes.ACC_PUBLIC) != 0) {
+                return PUBLIC
+            }
+            if ((access and Opcodes.ACC_PROTECTED) != 0) {
+                return PROTECTED
+            }
+            if ((access and Opcodes.ACC_PRIVATE) != 0) {
+                return PRIVATE
+            }
+            return PACKAGE_PRIVATE
+        }
+    }
+}
+
+class AWClassVisitor(
+    visitor: ClassVisitor,
+    private val classMap: Map<String, Entry>,
+    private val fields: Map<String, Map<String, Entry>>,
+    private val methods: Map<String, Map<String, Entry>>,
+    private val mutations: Map<String, Map<String, Entry>>,
+    private val className: String
+) : ClassVisitor(Opcodes.ASM9, visitor) {
+    override fun visit(
+        version: Int,
+        acc: Int,
+        name: String?,
+        signature: String?,
+        superName: String?,
+        interfaces: Array<out String>?
+    ) {
+        var access = acc
+        val e = classMap[className]
+        if (e != null) {
+            access = access and (Opcodes.ACC_PRIVATE or Opcodes.ACC_PROTECTED or Opcodes.ACC_PUBLIC).inv()
+            access = access or e.type.access
+        }
+        if (fields.containsKey(className) || methods.containsKey(className) || mutations.containsKey(
+                className
+            )
+        ) { // make all classes with modifications public as well
+            access = access and (Opcodes.ACC_PRIVATE or Opcodes.ACC_PROTECTED or Opcodes.ACC_PUBLIC).inv()
+            access = access or Opcodes.ACC_PUBLIC
+        }
+        super.visit(version, access, name, signature, superName, interfaces)
+    }
+
+    override fun visitField(
+        acc: Int,
+        name: String?,
+        descriptor: String?,
+        signature: String?,
+        value: Any?
+    ): FieldVisitor {
+        var access = acc
+        var map = fields[className]
+        if (map != null) {
+            val e = map[name + descriptor]
+            if (e != null) {
+                access =
+                    access and (Opcodes.ACC_PRIVATE or Opcodes.ACC_PROTECTED or Opcodes.ACC_PUBLIC).inv() // remove all access modifiers
+                access = access or e.type.access // re-add the new one
+            }
+        }
+        map = mutations[className]
+        if (map != null) {
+            val e = map[name + descriptor]
+            if (e != null) {
+                access = access and Opcodes.ACC_FINAL.inv() // always AccessType.MUTABLE
+            }
+        }
+        return super.visitField(access, name, descriptor, signature, value)
+    }
+
+    override fun visitMethod(
+        acc: Int,
+        name: String?,
+        descriptor: String?,
+        signature: String?,
+        exceptions: Array<out String>?
+    ): MethodVisitor {
+        var access = acc
+        val map = methods[className]
+        if (map != null) {
+            val e = map[name + descriptor]
+            if (e != null) {
+                access =
+                    access and ((Opcodes.ACC_PRIVATE or Opcodes.ACC_PROTECTED or Opcodes.ACC_PUBLIC).inv())// remove all access modifiers
+                access = access or (e.type.access)// re-add the new one
+            }
+        }
+        return super.visitMethod(access, name, descriptor, signature, exceptions)
+    }
+}

src/main/kotlin/org/ecorous/esnesnon/gradle/common/CachingHttpClient.kt

@@ -1,6 +1,6 @@
 package org.ecorous.esnesnon.gradle.common
 
-import org.ecorous.esnesnon.gradle.NonsenseGradlePlugin
+import org.ecorous.esnesnon.gradle.PhytotelmaPlugin
 import java.io.InputStream
 import java.net.URI
 import java.nio.charset.StandardCharsets
@@ -39,7 +39,7 @@ object CachingHttpClient {
     }
 
     private fun getCacheFile(uri: URI): Path {
-        val path = NonsenseGradlePlugin.nonsenseCacheDir.resolve("httpCache")
+        val path = PhytotelmaPlugin.nonsenseCacheDir.resolve("httpCache")
             .resolve(uri.host+uri.rawPath) // Use rawPath to ensure ASCII compat (since this will be a filesystem dir)
         path.createParentDirectories()
         return path

src/main/kotlin/org/ecorous/esnesnon/gradle/ext/Stuff.kt

@@ -1,43 +1,63 @@
 package org.ecorous.esnesnon.gradle.ext
 
-import org.ecorous.esnesnon.gradle.NonsenseGradlePlugin
+import org.ecorous.esnesnon.gradle.PhytotelmaPlugin
 import org.ecorous.esnesnon.gradle.VersionChecker
+import org.ecorous.esnesnon.gradle.accesswidener.AccessWidener
 import org.ecorous.esnesnon.gradle.run.RunConfigGenerator
-import org.ecorous.esnesnon.nonsense_remapper.NonsenseRemapper
+import org.ecorous.esnesnon.nonsense_remapper.Thyroxine
 import org.ecorous.esnesnon.nonsense_remapper.parser.ProguardParser
 import org.ecorous.esnesnon.nonsense_remapper.provider.MojmapProvider
 import org.ecorous.esnesnon.nonsense_remapper.provider.ParchmentProvider
 import org.gradle.api.Project
+import org.gradle.api.provider.Provider
 import kotlin.io.path.notExists
 
 fun Project.minecraft(
     version: String,
-    parchmentVersion: String = ParchmentProvider.findForMinecraftVersion(version)
+    parchmentVersion: String? = null
 ): Project { // return self to allow for chaining
     if (VersionChecker.validateVersion(version)) {
-        NonsenseGradlePlugin.minecraftVersion = version
+        println("Setting up Minecraft...")
-        NonsenseGradlePlugin.parchmentVersion = parchmentVersion
+        val parchment = parchmentVersion ?: kotlin.runCatching { ParchmentProvider.findForMinecraftVersion(version) }
+            .getOrDefault("")
+        PhytotelmaPlugin.minecraftVersion = version
+        PhytotelmaPlugin.parchmentVersion = parchment
         println("Valid version! $version")
-        val clientData = VersionChecker.fetchClientDownload(version)
-        println("Client data: ${clientData.url}")
-        // download client data
-        println("Downloading client...")
         val clientJar = VersionChecker.downloadClient(version)
-        println("Downloaded client!")
         val remappedJar = clientJar.resolveSibling("client-$version-remapped.jar")
-        NonsenseGradlePlugin.remappedGameJarPath = remappedJar
+        PhytotelmaPlugin.remappedGameJarPath = remappedJar
         println("Time to setup Minecraft!")
-        if (remappedJar.notExists()) {
+        val applyAW = AccessWidener.needsUpdate(this)
+        if (remappedJar.notExists() || applyAW) {
             println("Remapping the game...")
-            val data = ProguardParser.read(MojmapProvider.get(version, clientJar.resolveSibling("client-$version.txt")).orElseThrow()).reverse()
+            val data = kotlin.runCatching {
-            val paramMappings = ParchmentProvider.getParchment(
+                ProguardParser.read(
-                version, parchmentVersion,
+                    MojmapProvider.get(
-                NonsenseGradlePlugin.nonsenseCacheDir.resolve("org/parchmentmc/parchment/$version/$parchmentVersion")
+                        version,
-            )
+                        clientJar.resolveSibling("client-$version.txt")
-            NonsenseRemapper.remap(data, clientJar, remappedJar, true, paramMappings)
+                    ).orElseThrow()
+                ).reverse()
+            }.getOrNull()
+            val paramMappings = if (parchment.isNotEmpty()) kotlin.runCatching {
+                ParchmentProvider.getParchment(
+                    version, parchment,
+                    PhytotelmaPlugin.nonsenseCacheDir.resolve("org/parchmentmc/parchment/$version/$parchment")
+                )
+            }.getOrNull() else {
+                println("Parameter mappings will not be present as no parchment version was found. It may be possible to declare it manually.")
+                null
+            }
+            if (paramMappings == null && parchment.isNotEmpty()) {
+                println("Parameter mappings will not be present as the version $parchmentVersion for minecraft version $version could not be found")
+            }
+            if (data != null) {
+                Thyroxine.remap(data, clientJar, remappedJar, true, paramMappings)
+            } else {
+                error("Failed to remap the game as no mojmap version was found for game version $version. Other mapping formats may be implemented in the future.")
+            }
         }
         println("Adding dependencies...")
-        dependencies.add("implementation","net.minecrell:terminalconsoleappender:1.2.0")
+        dependencies.add("implementation", "net.minecrell:terminalconsoleappender:1.2.0")
         VersionChecker.getDependencies(version) {
             dependencies.add("implementation", it)
         }
@@ -45,6 +65,14 @@ fun Project.minecraft(
 
         println("Generating run configurations...")
         RunConfigGenerator.generate(this)
+
+        if (applyAW) {
+            project.afterEvaluate {
+                println("Applying AccessWideners..")
+                AccessWidener.apply(this, remappedJar)
+            }
+        }
+
         println("Done!")
     } else {
         println("Invalid version! $version")
@@ -53,6 +81,17 @@ fun Project.minecraft(
     return this
 }
 
-fun Project.loader(version: String){
+fun Project.minecraft(
-    dependencies.add("implementation", "org.ecorous.esnesnon:nonsense-loader:$version")
+    version: Provider<String>,
+    parchmentVersion: Provider<String> = provider { null }
+): Project {
+    return minecraft(version.get(), parchmentVersion.orNull)
+}
+
+fun Project.loader(version: String) {
+    dependencies.add("implementation", "org.ecorous.esnesnon:frogloader:$version")
+}
+
+fun Project.loader(version: Provider<String>) {
+    return loader(version.get())
 }

src/main/kotlin/org/ecorous/esnesnon/gradle/nest/Nester.kt

@@ -0,0 +1,132 @@
+package org.ecorous.esnesnon.gradle.nest
+
+import com.electronwill.nightconfig.core.Config
+import com.electronwill.nightconfig.core.UnmodifiableConfig
+import com.google.common.jimfs.Jimfs
+import org.gradle.api.artifacts.Configuration
+import org.gradle.api.artifacts.ProjectDependency
+import org.gradle.api.plugins.JavaPlugin
+import org.gradle.api.tasks.bundling.AbstractArchiveTask
+import java.nio.file.FileSystem
+import java.nio.file.FileSystems
+import java.nio.file.Files
+import java.nio.file.Path
+import java.util.*
+import kotlin.io.path.*
+
+object Nester {
+    fun run(configuration: Configuration, path: Path): Collection<NestedJar> {
+        val files = mutableListOf<NestedJar>()
+        Jimfs.newFileSystem(com.google.common.jimfs.Configuration.unix()).use { memFs ->
+            configuration.dependencies.filterIsInstance<ProjectDependency>().forEach { dependency ->
+                val project = dependency.dependencyProject
+
+                project.getTasksByName(JavaPlugin.JAR_TASK_NAME, false).map { t -> t as AbstractArchiveTask }
+                    .forEach { task ->
+                        val location = task.archiveFile.map {
+                            addMetadata(
+                                it.asFile.toPath(),
+                                dependency.group!!,
+                                dependency.name,
+                                dependency.version!!,
+                                task.archiveClassifier.orNull,
+                                memFs
+                            )
+                        }.get()
+                        path.createDirectories()
+                        val target = path.resolve(location.fileName.toString())
+                        Files.copy(location, target)
+                        files.add(NestedJar(("${dependency.group}_${dependency.name}${if (task.archiveClassifier.isPresent) "_${task.archiveClassifier}" else ""}").replace(
+                            "\\.".toRegex(),
+                            "_"
+                        ).lowercase(Locale.ROOT), target.absolute().toString()))
+                    }
+            }
+            configuration.resolvedConfiguration.firstLevelModuleDependencies.forEach { dep ->
+                dep.moduleArtifacts.forEach { artifact ->
+                    val location = addMetadata(
+                        artifact.file.toPath(),
+                        dep.moduleGroup,
+                        dep.moduleName,
+                        dep.moduleVersion,
+                        artifact.classifier,
+                        memFs
+                    )
+                    path.createDirectories()
+                    val target = path.resolve(location.fileName.toString())
+                    Files.copy(location, target)
+                    files.add(NestedJar(("${dep.moduleGroup}_${dep.moduleName}${if (artifact.classifier != null) "_${artifact.classifier}" else ""}").replace(
+                        "\\.".toRegex(),
+                        "_"
+                    ).lowercase(Locale.ROOT), target.absolute().toString()))
+                }
+            }
+        }
+        return files
+    }
+
+    private fun addMetadata(
+        input: Path,
+        group: String,
+        name: String,
+        version: String,
+        classifier: String?,
+        memFs: FileSystem
+    ): Path {
+        FileSystems.newFileSystem(input).use { original ->
+            val toml = original.getPath("frog.mod.toml")
+            if (toml.notExists()) {
+                val tempFile = memFs.getPath(
+                    "${
+                        group.replace(
+                            ".",
+                            "/"
+                        )
+                    }/${name}/${version}/${input.name}/${group.replace(".", "_")}_${input.name}"
+                )
+                if (tempFile.exists()) {
+                    FileSystems.newFileSystem(tempFile).use {
+                        if (it.getPath("frog.mod.toml").exists()){
+                            return tempFile
+                        }
+                    }
+                }
+                tempFile.createParentDirectories()
+                input.copyTo(tempFile)
+                FileSystems.newFileSystem(tempFile).use {
+                    it.getPath("frog.mod.toml").writeText(
+                        """
+                            [frog]
+                            manifest_version = "1.0.0"
+
+                            [frog.mod]
+                            id = "${
+                            ("${group}_$name${if (classifier != null) "_$classifier" else ""}").replace(
+                                "\\.".toRegex(),
+                                "_"
+                            ).lowercase(Locale.ROOT)
+                        }"
+                            name = "$name"
+                            version = "${version.replace("(\\d+\\.\\d+\\.\\d+)(.*)".toRegex(), "$1+$2")}"
+                            license = ""
+                            
+                            [frog.extensions]
+                            phytotelma.generated = true
+                        """.trimIndent()
+                    )
+                }
+                return tempFile
+            }
+            return input
+        }
+    }
+}
+
+class NestedJar(val id: String, val path: String){
+    fun toml(): UnmodifiableConfig {
+        val config = Config.inMemory()
+        config.add("id", id)
+        config.add("path", path)
+        return config
+    }
+}

src/main/kotlin/org/ecorous/esnesnon/gradle/run/AssetDownloader.kt

@@ -2,7 +2,7 @@ package org.ecorous.esnesnon.gradle.run
 
 import com.google.gson.Gson
 import com.google.gson.JsonObject
-import org.ecorous.esnesnon.gradle.NonsenseGradlePlugin
+import org.ecorous.esnesnon.gradle.PhytotelmaPlugin
 import org.ecorous.esnesnon.gradle.VersionChecker
 import org.ecorous.esnesnon.gradle.common.CachingHttpClient
 import java.net.URI
@@ -15,8 +15,8 @@ object AssetDownloader {
     private const val ASSETS_URL = "https://resources.download.minecraft.net"
 
     fun download() {
-        val version = NonsenseGradlePlugin.minecraftVersion
+        val version = PhytotelmaPlugin.minecraftVersion
-        val path = NonsenseGradlePlugin.nonsenseCacheDir.resolve("assets")
+        val path = PhytotelmaPlugin.nonsenseCacheDir.resolve("assets")
         val id = VersionChecker.downloadAssetIndex(version, path.resolve("indexes"))
 
         val index = Gson().fromJson(

src/main/kotlin/org/ecorous/esnesnon/gradle/run/RunConfigGenerator.kt

@@ -1,6 +1,6 @@
 package org.ecorous.esnesnon.gradle.run
 
-import org.ecorous.esnesnon.gradle.NonsenseGradlePlugin
+import org.ecorous.esnesnon.gradle.PhytotelmaPlugin
 import org.ecorous.esnesnon.gradle.VersionChecker
 import org.ecorous.esnesnon.gradle.common.Env
 import org.ecorous.esnesnon.gradle.run.adapter.EclipseAdapter
@@ -27,15 +27,12 @@ object RunConfigGenerator {
             }
         }
 
-        val assetPath = NonsenseGradlePlugin.nonsenseCacheDir.resolve(ASSET_DIR).absolute()
+        val assetPath = PhytotelmaPlugin.nonsenseCacheDir.resolve(ASSET_DIR).absolute()
         val assetIndexPath = assetPath.resolve("indexes")
         if (assetIndexPath.notExists()) {
             assetIndexPath.createDirectories()
         }
-        val indexId = VersionChecker.downloadAssetIndex(NonsenseGradlePlugin.minecraftVersion, assetIndexPath)
+        val indexId = VersionChecker.downloadAssetIndex(PhytotelmaPlugin.minecraftVersion, assetIndexPath)
-
-        val runConfigPath = project.rootDir.resolve(".idea").resolve("runConfigurations")
-        runConfigPath.mkdirs()
 
         for (adapter in ADAPTERS) {
             if (!adapter.shouldGenerate())
@@ -49,7 +46,7 @@ object RunConfigGenerator {
                     mutableListOf(
                         "-Xmx${project.properties.getOrDefault("nonsense.gameHeap", "2048M")}",
                         "-Dnonsense.development=true",
-                        "-Dnonsense.plugin.minecraft.gameJar=${NonsenseGradlePlugin.remappedGameJarPath}",
+                        "-Dnonsense.plugin.minecraft.gameJar=${PhytotelmaPlugin.remappedGameJarPath}",
                         "-Dlog4j2.configurationFile=$log4jPath",
                         "-Dlog4j2.formatMsgLookups=true"
                     ).apply {

src/main/kotlin/org/ecorous/esnesnon/gradle/run/task/RunGameTask.kt

@@ -1,6 +1,6 @@
 package org.ecorous.esnesnon.gradle.run.task
 
-import org.ecorous.esnesnon.gradle.NonsenseGradlePlugin
+import org.ecorous.esnesnon.gradle.PhytotelmaPlugin
 import org.ecorous.esnesnon.gradle.VersionChecker
 import org.ecorous.esnesnon.gradle.common.Env
 import org.gradle.api.file.ConfigurableFileCollection
@@ -21,13 +21,13 @@ abstract class RunGameTask @Inject constructor(env: Env) : JavaExec() {
     private val classpath: ConfigurableFileCollection = project.objects.fileCollection()
 
     init {
-        group = "nonsense"
+        group = "frog"
-        val assetPath = NonsenseGradlePlugin.nonsenseCacheDir.resolve("assets").absolute()
+        val assetPath = PhytotelmaPlugin.nonsenseCacheDir.resolve("assets").absolute()
         val assetIndexPath = assetPath.resolve("indexes")
         if (assetIndexPath.notExists()) {
             assetIndexPath.createDirectories()
         }
-        val indexId = VersionChecker.downloadAssetIndex(NonsenseGradlePlugin.minecraftVersion, assetIndexPath)
+        val indexId = VersionChecker.downloadAssetIndex(PhytotelmaPlugin.minecraftVersion, assetIndexPath)
         val log4jPath = project.rootDir.resolve(".gradle/nonsense-gradle/log4j.xml").toPath().absolute()
         if (log4jPath.notExists()) {
             log4jPath.createParentDirectories()
@@ -55,7 +55,7 @@ abstract class RunGameTask @Inject constructor(env: Env) : JavaExec() {
         jvmArguments.addAll(
             "-Xmx${project.properties.getOrDefault("nonsense.gameHeap", "2048M")}",
             "-Dnonsense.development=true",
-            "-Dnonsense.plugin.minecraft.gameJar=${NonsenseGradlePlugin.remappedGameJarPath}",
+            "-Dnonsense.plugin.minecraft.gameJar=${PhytotelmaPlugin.remappedGameJarPath}",
             "-Dlog4j2.configurationFile=$log4jPath",
             "-Dlog4j2.formatMsgNoLookups=true",
             writeArgFile()