feature: download dependencies

bukkit/build.gradle.kts

@@ -1,9 +1,10 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+
 plugins {
     id("xyz.jpenilla.run-paper") version "2.2.0"
+    id("com.github.johnrengelman.shadow")
 }
 
-setupShadowJar()
-
 dependencies {
     api(project(":tags-core"))
 
@@ -23,5 +24,52 @@ dependencies {
 tasks {
     runServer {
         minecraftVersion("1.20.2")
+        downloadPlugins {
+            url("https://github.com/MilkBowl/Vault/releases/download/1.7.3/Vault.jar")
+        }
+    }
+
+    fun Project.collectDependencies(): Set<Dependency> {
+        val api = configurations.api.get()
+        val implementation = configurations.implementation.get()
+        return (api.dependencies + implementation.dependencies).toSet()
+    }
+
+    fun Set<Dependency>.formatDependencies(): List<String> = flatMap { dependency ->
+        when (dependency) {
+            is ProjectDependency -> {
+                dependency.dependencyProject.collectDependencies().formatDependencies()
+            }
+
+            else -> {
+                val formatted = dependency.run { "$group:$name:$version" }
+                listOf(formatted)
+            }
+        }
+    }
+
+    register("writeDependenciesToFile") {
+        val outputDir = File("${buildDir}/resources/main")
+        outputDir.mkdirs()
+        val outputFile = File(outputDir, "libraries.txt")
+
+        val dependencies = project
+            .collectDependencies()
+            .formatDependencies()
+
+        outputFile.writeText(dependencies.joinToString("\n"))
+    }
+
+    withType<ShadowJar> {
+        dependencies {
+            include(project(":tags-core"))
+            include(project(":tags-api"))
+        }
+
+        archiveFileName.set(project.name + "aaaa.jar")
+    }
+
+    named("build") {
+        dependsOn("writeDependenciesToFile", withType<ShadowJar>())
     }
 }

bukkit/src/main/java/broccolai/tags/bukkit/PaperTagsLoader.java

@@ -0,0 +1,52 @@
+package broccolai.tags.bukkit;
+
+import io.papermc.paper.plugin.loader.PluginClasspathBuilder;
+import io.papermc.paper.plugin.loader.PluginLoader;
+import io.papermc.paper.plugin.loader.library.impl.MavenLibraryResolver;
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+import org.eclipse.aether.artifact.DefaultArtifact;
+import org.eclipse.aether.graph.Dependency;
+import org.eclipse.aether.repository.RemoteRepository;
+import org.jetbrains.annotations.NotNull;
+
+@SuppressWarnings("UnstableApiUsage")
+public class PaperTagsLoader implements PluginLoader {
+
+    @Override
+    public void classloader(@NotNull PluginClasspathBuilder classpathBuilder) {
+        MavenLibraryResolver resolver = new MavenLibraryResolver();
+
+        resolver.addRepository(
+            new RemoteRepository.Builder("paper", "default", "https://repo.papermc.io/repository/maven-public/").build()
+        );
+
+        resolver.addRepository(
+            new RemoteRepository.Builder("broccoli", "default", "https://repo.broccol.ai/releases").build()
+        );
+
+        for (String serialized : this.readDependencies()) {
+            Dependency dependency = new Dependency(new DefaultArtifact(serialized), null);
+            resolver.addDependency(dependency);
+        }
+
+        classpathBuilder.addLibrary(resolver);
+    }
+
+    private List<String> readDependencies() {
+        InputStream inputStream = getClass().getResourceAsStream("/libraries.txt");
+
+        try (
+            InputStreamReader streamReader = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
+            BufferedReader reader = new BufferedReader(streamReader)
+        ) {
+            return reader.lines().toList();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}

bukkit/src/main/resources/plugin.yml → bukkit/src/main/resources/paper-plugin.yml

@@ -1,8 +1,14 @@
 name : Tags
 version : $version
 main : broccolai.tags.bukkit.BukkitTagsPlatform
-api-version : 1.16
-depend : [ Vault ]
+loader: broccolai.tags.bukkit.PaperTagsLoader
+api-version : '1.20'
+dependencies:
+    server:
+        Vault:
+            load: BEFORE
+            required: true
+            join-classpath: true
 softdepend : [ PlaceholderAPI ]
 permissions :
   tags.user :

gradle/libs.versions.conf

@@ -55,7 +55,7 @@ versions = {
   stylecheck = "0.2.1"
 
   # Bukkit
-  paper-api = "1.19-R0.1-SNAPSHOT"
+  paper-api = "1.20.2-R0.1-SNAPSHOT"
   paper-lib = "1.0.6"
 
   # Velocity