Add more code to make the client run workHEADmaster

11 files changed, 398 insertions, 242 deletions

diff --git a/.gitignore b/.gitignore
index e25fce7..8466e3d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
+run
+
 # Ignore Gradle project-specific cache directory
 .gradle
 
 # Ignore Gradle build output directory
 build
-.idea
\ No newline at end of file
+.idea
diff --git a/archenemyexample/build.gradle.kts b/archenemyexample/build.gradle.kts
index ca4313a..6f8a22f 100644
--- a/archenemyexample/build.gradle.kts
+++ b/archenemyexample/build.gradle.kts
@@ -1,100 +1,108 @@
 import moe.nea.archenemy.MCSide
 
 plugins {
-    kotlin("multiplatform") version "1.9.22"
-    id("moe.nea.archenemy.mojang")
+	kotlin("multiplatform") version "1.9.22"
+	id("moe.nea.archenemy.mojang")
 }
 
 repositories {
-    mavenCentral()
-    maven("https://maven.fabricmc.net")
-    maven("https://repo.nea.moe/releases")
+	mavenCentral()
+	maven("https://maven.fabricmc.net")
+	maven("https://repo.nea.moe/releases")
 	mavenLocal()
 }
 kotlin.jvmToolchain(8)
 
 val whateverAttribute = Attribute.of("whatever", String::class.java)
 val allJvm by kotlin.sourceSets.creating {
-    this.dependencies {
-    }
+	this.dependencies {
+	}
 
 }
 val forge = kotlin.jvm("forge") {
-    attributes.attribute(whateverAttribute, "forge")
-    compilations.named("main").get().run {
-        defaultSourceSet.dependsOn(allJvm)
-        this.dependencies {
-            val mcpMappings = mojang.yarnMappings(dependencies.create("moe.nea.mcp:mcp-yarn:1.8.9:v2"))
-            val minecraftClient = mojang.minecraft("1.8.9", MCSide.CLIENT)
-            val mappedClient = mojang.mapJar(minecraftClient, mcpMappings, "official", "named")
-            implementation(mappedClient)
-            implementation("net.minecraft:launchwrapper:1.12")
-            mojang.libraries("1.8.9").forEach(::implementation)
-        }
-    }
+	attributes.attribute(whateverAttribute, "forge")
+	compilations.named("main").get().run {
+		defaultSourceSet.dependsOn(allJvm)
+		this.dependencies {
+			val mcpMappings = mojang.yarnMappings(dependencies.create("moe.nea.mcp:mcp-yarn:1.8.9:v2"))
+			val minecraftClient = mojang.minecraft("1.8.9", MCSide.CLIENT)
+			val mappedClient = mojang.mapJar(minecraftClient, mcpMappings, "official", "named")
+			implementation(mappedClient)
+			implementation("net.minecraft:launchwrapper:1.12")
+			mojang.libraries("1.8.9").forEach(::implementation)
+		}
+	}
 }
 val mainForge = forge.compilations.getByName("main")
 val fabric = kotlin.jvm("fabric") {
-    attributes.attribute(whateverAttribute, "fabric")
-    compilations.named("main").get().run {
-        defaultSourceSet.dependsOn(allJvm)
-        this.dependencies {
-            val minecraftClient = mojang.minecraft("1.20.2", MCSide.CLIENT)
-            val minecraftServer = mojang.minecraft("1.20.2", MCSide.SERVER)
-            val intermediaryMappings = mojang.intermediaryMappings("1.20.2")
-            val yarnMappings = mojang.yarnMappings(dependencies.create("net.fabricmc:yarn:1.20.2+build.4:v2"))
-            val intermediaryClient = mojang.mapJar(
-                minecraftClient,
-                intermediaryMappings,
-                "official",
-                "intermediary"
-            )
-            val intermediaryServer = mojang.mapJar(
-                minecraftServer,
-                intermediaryMappings,
-                "official",
-                "intermediary"
-            )
-            val thingy = mojang.mergeJar(
-                intermediaryClient, intermediaryServer
-            )
-            implementation(
-                mojang.mapJar(
-                    thingy,
-                    yarnMappings,
-                    "intermediary",
-                    "named"
-                )
-            )
-        }
-    }
+	attributes.attribute(whateverAttribute, "fabric")
+	compilations.named("main").get().run {
+		defaultSourceSet.dependsOn(allJvm)
+		this.dependencies {
+			val minecraftClient = mojang.minecraft("1.20.2", MCSide.CLIENT)
+			val minecraftServer = mojang.minecraft("1.20.2", MCSide.SERVER)
+			val intermediaryMappings = mojang.intermediaryMappings("1.20.2")
+			val yarnMappings = mojang.yarnMappings(dependencies.create("net.fabricmc:yarn:1.20.2+build.4:v2"))
+			val intermediaryClient = mojang.mapJar(
+				minecraftClient,
+				intermediaryMappings,
+				"official",
+				"intermediary"
+			)
+			val intermediaryServer = mojang.mapJar(
+				minecraftServer,
+				intermediaryMappings,
+				"official",
+				"intermediary"
+			)
+			val thingy = mojang.mergeJar(
+				intermediaryClient, intermediaryServer
+			)
+			implementation(
+				mojang.mapJar(
+					thingy,
+					yarnMappings,
+					"intermediary",
+					"named"
+				)
+			)
+		}
+	}
 }
+
+
+
 tasks.create("runForge189", JavaExec::class) {
-    description = "Run Forge 1.8.9"
-    group = ApplicationPlugin.APPLICATION_GROUP
-    mainClass.set("net.minecraft.launchwrapper.Launch")
-    val downloadTask = archenemyShared.getDownloadAssetsTask("1.8.9")
-    dependsOn(downloadTask)
-    classpath(mainForge.runtimeDependencyFiles, tasks.getByName("forgeJar"))
-    javaLauncher.set(javaToolchains.launcherFor {
-        this.languageVersion.set(JavaLanguageVersion.of(8))
-    })
-    val runFolder = project.file("run")
-    runFolder.mkdirs()
-    workingDir(runFolder)
-    doFirst {
-        args(
-            "--assetDir",
-            downloadTask.getAssetDir().absolutePath,
-            "--assetIndex",
-            downloadTask.getAssetIndex(),
-            "--accessToken",
-            "undefined",
-            "--gameDir",
-            runFolder.absolutePath,
-            "--tweakClass",
-            "moe.nea.aee.forge.Tweaker"
-        )
-    }
+	val extractNatives = mojang.natives("1.8.9")
+	dependsOn(extractNatives)
+	description = "Run Forge 1.8.9"
+	group = ApplicationPlugin.APPLICATION_GROUP
+	mainClass.set("net.minecraft.launchwrapper.Launch")
+	val downloadTask = archenemyShared.getDownloadAssetsTask("1.8.9")
+	dependsOn(downloadTask)
+	classpath(mainForge.runtimeDependencyFiles, tasks.getByName("forgeJar"))
+	javaLauncher.set(javaToolchains.launcherFor {
+		this.languageVersion.set(JavaLanguageVersion.of(8))
+	})
+	val runFolder = project.file("run")
+	runFolder.mkdirs()
+	workingDir(runFolder)
+	jvmArguments.add("-Djava.library.path=${extractNatives.getNativeDirectoryPath().absolutePath}")
+	doFirst {
+		args(
+			"--assetsDir",
+			downloadTask.getAssetDir().absolutePath,
+			"--assetIndex",
+			downloadTask.getAssetIndex().id,
+			"--accessToken",
+			"undefined",
+			"--gameDir",
+			runFolder.absolutePath,
+			"--tweakClass",
+			"moe.nea.aee.forge.Tweaker",
+			"--version",
+			"1.8.9"
+		)
+	}
 }
 
diff --git a/archenemyexample/run/logs/latest.log b/archenemyexample/run/logs/latest.log
index 585e475..1b089e9 100644
--- a/archenemyexample/run/logs/latest.log
+++ b/archenemyexample/run/logs/latest.log
@@ -1,24 +1,44 @@
-[16:58:57] [main/INFO]: Loading tweak class name moe.nea.aee.forge.Tweaker
-[16:58:57] [main/INFO]: Using primary tweak class name moe.nea.aee.forge.Tweaker
-[16:58:57] [main/INFO]: Calling tweak class moe.nea.aee.forge.Tweaker
-[16:58:57] [main/INFO]: Launching wrapped minecraft {net.minecraft.client.main.Main}
-[16:58:57] [main/ERROR]: Unable to launch
+[03:34:03] [main/INFO]: Loading tweak class name moe.nea.aee.forge.Tweaker
+[03:34:03] [main/INFO]: Using primary tweak class name moe.nea.aee.forge.Tweaker
+[03:34:03] [main/INFO]: Calling tweak class moe.nea.aee.forge.Tweaker
+[03:34:05] [main/INFO]: Launching wrapped minecraft {net.minecraft.client.main.Main}
+[03:34:08] [Client thread/INFO]: Setting user: Player554
+[03:34:08] [Client thread/INFO]: (Session ID is token:undefined:Player554)
+[03:34:09] [Client thread/ERROR]: Unable to launch
 java.lang.reflect.InvocationTargetException
-	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_302]
-	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_302]
-	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_302]
-	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_302]
+	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_152]
+	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_152]
+	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_152]
+	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_152]
 	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
 	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
-Caused by: java.lang.UnsatisfiedLinkError: no lwjgl64 in java.library.path
-	at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1860) ~[?:1.8.0_302]
-	at java.lang.Runtime.loadLibrary0(Runtime.java:871) ~[?:1.8.0_302]
-	at java.lang.System.loadLibrary(System.java:1124) ~[?:1.8.0_302]
-	at org.lwjgl.Sys$1.run(Sys.java:72) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
-	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_302]
-	at org.lwjgl.Sys.doLoadLibrary(Sys.java:66) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
-	at org.lwjgl.Sys.loadLibrary(Sys.java:87) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
-	at org.lwjgl.Sys.<clinit>(Sys.java:117) ~[lwjgl-2.9.4-nightly-20150209.jar:?]
-	at net.minecraft.client.Minecraft.getSystemTime(SourceFile:2539) ~[Minecraft.class:?]
-	at net.minecraft.client.main.Main.main(SourceFile:41) ~[Main.class:?]
+Caused by: java.lang.ExceptionInInitializerError
+	at net.minecraft.util.StatCollector.<clinit>(SourceFile:7) ~[StatCollector.class:?]
+	at net.minecraft.item.Item.getUnlocalizedNameInefficiently(SourceFile:250) ~[Item.class:?]
+	at net.minecraft.item.Item.getItemStackDisplayName(SourceFile:321) ~[Item.class:?]
+	at net.minecraft.item.ItemStack.getDisplayName(SourceFile:459) ~[ItemStack.class:?]
+	at net.minecraft.item.ItemStack.getChatComponent(SourceFile:775) ~[ItemStack.class:?]
+	at net.minecraft.stats.StatList.initMiningStats(SourceFile:137) ~[StatList.class:?]
+	at net.minecraft.stats.StatList.init(SourceFile:90) ~[StatList.class:?]
+	at net.minecraft.init.Bootstrap.register(SourceFile:460) ~[Bootstrap.class:?]
+	at net.minecraft.client.Minecraft.<init>(SourceFile:304) ~[Minecraft.class:?]
+	at net.minecraft.client.main.Main.main(SourceFile:124) ~[Main.class:?]
 	... 6 more
+Caused by: java.lang.NullPointerException
+	at java.io.Reader.<init>(Reader.java:78) ~[?:1.8.0_152]
+	at java.io.InputStreamReader.<init>(InputStreamReader.java:113) ~[?:1.8.0_152]
+	at org.apache.commons.io.IOUtils.readLines(IOUtils.java:986) ~[IOUtils.class:2.4]
+	at net.minecraft.util.StringTranslate.<init>(SourceFile:27) ~[StringTranslate.class:?]
+	at net.minecraft.util.StringTranslate.<clinit>(SourceFile:19) ~[StringTranslate.class:?]
+	at net.minecraft.util.StatCollector.<clinit>(SourceFile:7) ~[StatCollector.class:?]
+	at net.minecraft.item.Item.getUnlocalizedNameInefficiently(SourceFile:250) ~[Item.class:?]
+	at net.minecraft.item.Item.getItemStackDisplayName(SourceFile:321) ~[Item.class:?]
+	at net.minecraft.item.ItemStack.getDisplayName(SourceFile:459) ~[ItemStack.class:?]
+	at net.minecraft.item.ItemStack.getChatComponent(SourceFile:775) ~[ItemStack.class:?]
+	at net.minecraft.stats.StatList.initMiningStats(SourceFile:137) ~[StatList.class:?]
+	at net.minecraft.stats.StatList.init(SourceFile:90) ~[StatList.class:?]
+	at net.minecraft.init.Bootstrap.register(SourceFile:460) ~[Bootstrap.class:?]
+	at net.minecraft.client.Minecraft.<init>(SourceFile:304) ~[Minecraft.class:?]
+	at net.minecraft.client.main.Main.main(SourceFile:124) ~[Main.class:?]
+	... 6 more
+[03:34:09] [Client Shutdown Thread/INFO]: Stopping server
diff --git a/archenemyexample/settings.gradle.kts b/archenemyexample/settings.gradle.kts
index b50251b..77c74c3 100644
--- a/archenemyexample/settings.gradle.kts
+++ b/archenemyexample/settings.gradle.kts
@@ -8,4 +8,8 @@ pluginManagement {
 	    maven("https://repo.nea.moe/releases")
 	    mavenLocal()
     }
-}
\ No newline at end of file
+}
+
+plugins {
+	id("org.gradle.toolchains.foojay-resolver-convention") version("0.6.0")
+}
diff --git a/archenemyexample/src/forgeMain/kotlin/moe/nea/aee/forge/Main.kt b/archenemyexample/src/forgeMain/kotlin/moe/nea/aee/forge/Main.kt
index 141949e..827340d 100644
--- a/archenemyexample/src/forgeMain/kotlin/moe/nea/aee/forge/Main.kt
+++ b/archenemyexample/src/forgeMain/kotlin/moe/nea/aee/forge/Main.kt
@@ -5,7 +5,25 @@ import net.minecraft.launchwrapper.LaunchClassLoader
 import java.io.File
 
 class Tweaker : ITweaker {
-	override fun acceptOptions(args: MutableList<String>?, gameDir: File?, assetsDir: File?, profile: String?) {
+	val arguments = mutableListOf<String>()
+
+	override fun acceptOptions(
+		args: List<String>, gameDir: File?,
+		assetsDir: File?, profile: String?
+	) {
+		arguments.addAll(args)
+		if (gameDir != null){
+			arguments.add("--gameDir")
+			arguments.add(gameDir.absolutePath)
+		}
+		if (assetsDir != null){
+			arguments.add("--assetsDir")
+			arguments.add(assetsDir.absolutePath)
+		}
+		if (profile != null){
+			arguments.add("--version")
+			arguments.add(profile)
+		}
 	}
 
 	override fun injectIntoClassLoader(classLoader: LaunchClassLoader) {
@@ -16,6 +34,6 @@ class Tweaker : ITweaker {
 	}
 
 	override fun getLaunchArguments(): Array<String> {
-		return arrayOf()
+		return arguments.toTypedArray()
 	}
 }
diff --git a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/AbstractTransformerRepository.kt b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/AbstractTransformerRepository.kt
index 601cb19..a50552a 100644
--- a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/AbstractTransformerRepository.kt
+++ b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/AbstractTransformerRepository.kt
@@ -57,7 +57,7 @@ abstract class AbstractTransformerRepository<T : CHashable>(
         val provider = providers[hash] ?: error("Unregistered archenemy ${this.repoIdentifier} dependeny")
         val coordinate = getCoordinate(provider.t)
         require(coordinate.startsWith(identifier.group + ":" + identifier.name + ":" + identifier.version))
-        if (identifier.extension == "pom") return Artifact.none()
+        if (identifier.extension == "pom") return Artifact.none() // TODO: resolve original POM (potentially transformed???)
         return getArtifact(
             getNullsafeIdentifier(identifier),
             provider.t,
diff --git a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/ArchenemyMojangExtension.kt b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/ArchenemyMojangExtension.kt
index d27f948..8c009e0 100644
--- a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/ArchenemyMojangExtension.kt
+++ b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/ArchenemyMojangExtension.kt
@@ -9,122 +9,136 @@ import java.io.File
 import java.net.URI
 
 abstract class ArchenemyMojangExtension(val project: Project) {
-    val sharedExtension = project.rootProject.extensions.getByType(ArchenemySharedExtension::class.java)
-
-    private val _registerMinecraftProvider by lazy {
-        GradleRepositoryAdapter.add(
-            project.repositories,
-            "Minecraft Provider",
-            sharedExtension.getLocalCacheDirectory().resolve("minecraft-provider"),
-            sharedExtension.minecraftProvider
-        )
-        GradleRepositoryAdapter.add(
-            project.repositories,
-            "Minecraft Mapped Provider",
-            getLocalCacheDirectory().resolve("minecraft-mapped-provider"),
-            mappedRepositoryProvider
-        )
-        GradleRepositoryAdapter.add(
-            project.repositories,
-            "Minecraft Merged Provider",
-            getLocalCacheDirectory().resolve("minecraft-merged-provider"),
-            mergedRepositoryProvider
-        )
-        project.repositories.maven {
-            it.name = "Minecraft Libraries"
-            it.url = URI("https://libraries.minecraft.net/")
-        }
-    }
-
-    private val mappedRepositoryProvider = MappedRepositoryProvider(this)
-    private val mergedRepositoryProvider = MergedRepositoryProvider(this)
-
-    fun yarnMappings(dependency: Dependency): MappingDependency {
-        dependency as ModuleDependency
-        return YarnMappingDependency(this, dependency)
-    }
-
-    fun officialMappings(version: String, side: MCSide): MappingDependency {
-        _registerMinecraftProvider
-        val dependency by lazy {
-            realize(
-                sharedExtension.minecraftProvider.getMappingsDependencyCoordinate(
-                    MinecraftProvider.MinecraftCoordinate(
-                        version,
-                        side
-                    )
-                )
-            )
-        }
-        return OfficialMappingDependency(side, version, project.providers.provider { dependency }).also { it.get() }
-    }
-
-    fun libraries(version: String): List<String> {
-        return sharedExtension.getDownloadVersionMetadataTask(version)
-            .getVersionMetadataNow().libraries
-            .map { it.name }
-            .filter { !it.contains("twitch-platform") && !it.contains("twitch-external-platform") }
-    }
-
-    fun intermediaryMappings(version: String): MappingDependency {
-        return yarnMappings(project.dependencies.create("net.fabricmc:intermediary:$version:v2"))
-    }
-
-    fun mergeJar(
-        base: Dependency,
-        overlay: Dependency,
-    ): Dependency {
-        base as ModuleDependency
-        overlay as ModuleDependency
-        _registerMinecraftProvider
-        return realize(
-            mergedRepositoryProvider.getCoordinate(
-                MergedRepositoryProvider.Coordinate(base, overlay)
-            )
-        )
-    }
-
-    fun mapJar(
-        dependency: Dependency,
-        mappings: MappingDependency,
-        sourceNamespace: String,
-        destinationNamespace: String
-    ): Dependency {
-        dependency as ModuleDependency
-        _registerMinecraftProvider
-        return realize(
-            mappedRepositoryProvider.getDependencyCoordiante(
-                MappedRepositoryProvider.MappedCoordinates(
-                    dependency, mappings, sourceNamespace, destinationNamespace
-                )
-            )
-        )
-    }
-
-    fun minecraft(version: String, side: MCSide): Dependency {
-        _registerMinecraftProvider
-        return realize(
-            sharedExtension.minecraftProvider.getDependencyCoordinate(
-                MinecraftProvider.MinecraftCoordinate(
-                    version,
-                    side,
-                )
-            )
-        )
-    }
-
-    fun realize(dependency: String): Dependency {
-        return realize(project.dependencies.create(dependency))
-    }
-
-    fun realize(dependency: Dependency): Dependency {
-        project.configurations.detachedConfiguration(dependency).resolve()
-        return dependency
-    }
-
-    fun getLocalCacheDirectory(): File {
-        return sharedExtension.getLocalCacheDirectory().resolve("projectspecific")
-            .resolve(if (project == project.rootProject) "__root" else project.path.replace(":", "_"))
-    }
+	val sharedExtension = project.rootProject.extensions.getByType(ArchenemySharedExtension::class.java)
+
+	private val _registerMinecraftProvider by lazy {
+		GradleRepositoryAdapter.add(
+			project.repositories,
+			"Minecraft Provider",
+			sharedExtension.getLocalCacheDirectory().resolve("minecraft-provider"),
+			sharedExtension.minecraftProvider
+		)
+		GradleRepositoryAdapter.add(
+			project.repositories,
+			"Minecraft Mapped Provider",
+			getLocalCacheDirectory().resolve("minecraft-mapped-provider"),
+			mappedRepositoryProvider
+		)
+		GradleRepositoryAdapter.add(
+			project.repositories,
+			"Minecraft Merged Provider",
+			getLocalCacheDirectory().resolve("minecraft-merged-provider"),
+			mergedRepositoryProvider
+		)
+		project.repositories.maven {
+			it.name = "Minecraft Libraries"
+			it.url = URI("https://libraries.minecraft.net/")
+		}
+	}
+
+	private val mappedRepositoryProvider = MappedRepositoryProvider(this)
+	private val mergedRepositoryProvider = MergedRepositoryProvider(this)
+
+	fun yarnMappings(dependency: Dependency): MappingDependency {
+		dependency as ModuleDependency
+		return YarnMappingDependency(this, dependency)
+	}
+
+	fun officialMappings(version: String, side: MCSide): MappingDependency {
+		_registerMinecraftProvider
+		val dependency by lazy {
+			realize(
+				sharedExtension.minecraftProvider.getMappingsDependencyCoordinate(
+					MinecraftProvider.MinecraftCoordinate(
+						version,
+						side
+					)
+				)
+			)
+		}
+		return OfficialMappingDependency(side, version, project.providers.provider { dependency }).also { it.get() }
+	}
+
+	fun natives(version: String): ExtractNativesTask {
+		val taskName = "extractNatives$version"
+		var extractNativesTask = project.tasks.findByName(taskName)
+		if (extractNativesTask != null) return extractNativesTask as ExtractNativesTask
+
+		extractNativesTask = project.tasks.create(taskName, ExtractNativesTask::class.java) {
+			it.natives.set(sharedExtension.getDownloadVersionMetadataTask(version)
+				               .getVersionMetadataNow().getFilteredLibraries())
+			it.nativeDirectory.set(getLocalCacheDirectory().resolve("extractedNatives/$version"))
+		}
+		return extractNativesTask
+	}
+
+	fun libraries(version: String): List<String> {
+		return sharedExtension.getDownloadVersionMetadataTask(version)
+			.getVersionMetadataNow().getFilteredLibraries()
+			.map {
+				it.getArtifactCoordinate()
+			}
+	}
+
+	fun intermediaryMappings(version: String): MappingDependency {
+		return yarnMappings(project.dependencies.create("net.fabricmc:intermediary:$version:v2"))
+	}
+
+	fun mergeJar(
+		base: Dependency,
+		overlay: Dependency,
+	): Dependency {
+		base as ModuleDependency
+		overlay as ModuleDependency
+		_registerMinecraftProvider
+		return realize(
+			mergedRepositoryProvider.getCoordinate(
+				MergedRepositoryProvider.Coordinate(base, overlay)
+			)
+		)
+	}
+
+	fun mapJar(
+		dependency: Dependency,
+		mappings: MappingDependency,
+		sourceNamespace: String,
+		destinationNamespace: String
+	): Dependency {
+		dependency as ModuleDependency
+		_registerMinecraftProvider
+		return realize(
+			mappedRepositoryProvider.getDependencyCoordiante(
+				MappedRepositoryProvider.MappedCoordinates(
+					dependency, mappings, sourceNamespace, destinationNamespace
+				)
+			)
+		)
+	}
+
+	fun minecraft(version: String, side: MCSide): Dependency {
+		_registerMinecraftProvider
+		return realize(
+			sharedExtension.minecraftProvider.getDependencyCoordinate(
+				MinecraftProvider.MinecraftCoordinate(
+					version,
+					side,
+				)
+			)
+		)
+	}
+
+	fun realize(dependency: String): Dependency {
+		return realize(project.dependencies.create(dependency))
+	}
+
+	fun realize(dependency: Dependency): Dependency {
+		project.configurations.detachedConfiguration(dependency).resolve()
+		return dependency
+	}
+
+	fun getLocalCacheDirectory(): File {
+		return sharedExtension.getLocalCacheDirectory().resolve("projectspecific")
+			.resolve(if (project == project.rootProject) "__root" else project.path.replace(":", "_"))
+	}
 
 }
\ No newline at end of file
diff --git a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/ExtractNativesTask.kt b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/ExtractNativesTask.kt
new file mode 100644
index 0000000..a3c33ed
--- /dev/null
+++ b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/ExtractNativesTask.kt
@@ -0,0 +1,45 @@
+package moe.nea.archenemy.mojang
+
+import moe.nea.archenemy.util.readZipFs
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.provider.ListProperty
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.Internal
+import org.gradle.api.tasks.OutputDirectory
+import org.gradle.api.tasks.TaskAction
+import java.io.File
+
+abstract class ExtractNativesTask : DefaultTask() {
+
+	@get:OutputDirectory
+	abstract val nativeDirectory: DirectoryProperty
+
+	@get:Input
+	abstract val natives: ListProperty<MojangVersionMetadata.Library>
+
+	@Internal
+	fun getNativeDirectoryPath(): File {
+		return nativeDirectory.get().asFile
+	}
+
+	@TaskAction
+	fun extractNatives() {
+		val nativeDirectory = nativeDirectory.get().asFile
+		natives.get().forEach {
+			val extract = it.extract ?: return@forEach
+			val file = project.configurations
+				.detachedConfiguration(project.dependencies.create(it.getArtifactCoordinate()))
+				.files
+				.single().toPath()
+			file.readZipFs { path, inputStream ->
+				if (extract.exclude.any { path.startsWith(it) }) return@readZipFs
+				val targetFile = nativeDirectory.resolve(path)
+				targetFile.parentFile.mkdirs()
+				targetFile.outputStream().use { output ->
+					inputStream.copyTo(output)
+				}
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/MojangVersionMetadata.kt b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/MojangVersionMetadata.kt
index 4ef3313..1a6cf87 100644
--- a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/MojangVersionMetadata.kt
+++ b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/MojangVersionMetadata.kt
@@ -1,31 +1,48 @@
 package moe.nea.archenemy.mojang
 
 import kotlinx.serialization.Serializable
+import moe.nea.archenemy.util.OSUtil
 
 @Serializable
 data class MojangVersionMetadata(
-    val assetIndex: AssetIndex,
-    val downloads: Map<String, Download>,
-    val libraries: List<Library>
+	val assetIndex: AssetIndex,
+	val downloads: Map<String, Download>,
+	val libraries: List<Library>
 ) {
-    @Serializable
-    data class Library(
-        val name: String,
-    )
-    @Serializable
-    data class Download(
-        val sha1: String,
-        val size: Long,
-        val url: String,
-    )
-
-    @Serializable
-    data class AssetIndex(
-        val id: String,
-        val sha1: String,
-        val size: Long,
-        val totalSize: Long,
-        val url: String,
-    )
+
+	fun getFilteredLibraries(): List<Library> {
+		return libraries.filter { !it.name.contains("twitch-platform") && !it.name.contains("twitch-external-platform") }
+	}
+
+	@Serializable
+	data class Library(
+		val name: String,
+		val natives: Map<String, String>? = null,
+		val extract: ExtractOptions? = null,
+	) : java.io.Serializable {
+		fun getArtifactCoordinate(): String {
+			val classifier = natives?.get(OSUtil.getOsClassifier())
+			return name + (if (classifier != null) ":$classifier" else "")
+		}
+
+		@Serializable
+		data class ExtractOptions(val exclude: List<String> = listOf()) : java.io.Serializable
+	}
+
+	@Serializable
+	data class Download(
+		val sha1: String,
+		val size: Long,
+		val url: String,
+	)
+
+	@Serializable
+	data class AssetIndex(
+		val id: String,
+		val sha1: String,
+		val size: Long,
+		val totalSize: Long,
+		val url: String,
+	)
 
 }
\ No newline at end of file
diff --git a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/YarnMappingDependency.kt b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/YarnMappingDependency.kt
index 46b428e..25d2b35 100644
--- a/plugin/src/main/kotlin/moe/nea/archenemy/mojang/YarnMappingDependency.kt
+++ b/plugin/src/main/kotlin/moe/nea/archenemy/mojang/YarnMappingDependency.kt
@@ -66,6 +66,7 @@ class YarnMappingDependency(
                 )
             )
             .build()
+	    // TODO: this does not copy over the non class file resources, seemingly
         OutputConsumerPath.Builder(targetFile.toPath()).build().use { output ->
             remapper.readInputs(sourceFile.toPath())
             remapper.apply(output)
diff --git a/plugin/src/main/kotlin/moe/nea/archenemy/util/OSUtil.kt b/plugin/src/main/kotlin/moe/nea/archenemy/util/OSUtil.kt
new file mode 100644
index 0000000..bd7a158
--- /dev/null
+++ b/plugin/src/main/kotlin/moe/nea/archenemy/util/OSUtil.kt
@@ -0,0 +1,27 @@
+package moe.nea.archenemy.util
+
+
+object OSUtil {
+	// TODO: replace this with a library
+	enum class OsKind {
+		WINDOWS,
+		LINUX,
+		OSX,
+	}
+
+	fun getOs(): OsKind {
+		val osName = System.getProperty("os.name").lowercase()
+		if (osName.contains("win")) return OsKind.WINDOWS
+		if (osName.contains("nix") || osName.contains("nux")) return OsKind.LINUX
+		if (osName.contains("mac")) return OsKind.OSX
+		error("Unknown OS")
+	}
+
+	fun getOsClassifier(): String {
+		return when (getOs()) {
+			OsKind.WINDOWS -> "windows"
+			OsKind.LINUX -> "linux"
+			OsKind.OSX -> "osx"
+		}
+	}
+}
\ No newline at end of file