Use shadow plugin to embed libs, because old approach just randomly b…

…roke after not touching it for a while...

build.gradle

@@ -4,14 +4,16 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '5.1.+', changing: true
+        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '6+', changing: true
     }
 }
 
 plugins {
+    id 'java'
     id 'idea'
     id 'maven-publish'
     id 'com.matthewprenger.cursegradle' version '1.4.0'
+    id 'com.github.johnrengelman.shadow' version '8.1.1'
 }
 
 apply plugin: 'net.minecraftforge.gradle'
@@ -35,11 +37,6 @@ group = 'li.cil.sedna'
 
 java.toolchain.languageVersion = JavaLanguageVersion.of(17)
 
-configurations {
-    embed
-    implementation.extendsFrom embed
-}
-
 repositories {
     mavenCentral()
     final def GithubPackages = [
@@ -62,9 +59,9 @@ repositories {
 dependencies {
     minecraft "net.minecraftforge:forge:${minecraft_version}-${forge_version}"
 
-    embed('li.cil.ceres:ceres:0.0.4') { transitive = false }
-    embed('li.cil.sedna:sedna:2.0.8') { transitive = false }
-    embed('li.cil.sedna:sedna-buildroot:0.0.8') { transitive = false }
+    implementation('li.cil.ceres:ceres:0.0.4') { transitive = false }
+    implementation('li.cil.sedna:sedna:2.0.8') { transitive = false }
+    implementation('li.cil.sedna:sedna-buildroot:0.0.8') { transitive = false }
 }
 
 minecraft {
@@ -115,13 +112,7 @@ minecraft {
 }
 
 jar {
-    finalizedBy 'reobfJar'
-
-    configurations.embed.each {
-        from(project.zipTree(it)) {
-            exclude 'META-INF', 'META-INF/**'
-        }
-    }
+    finalizedBy 'shadowJar'
 
     manifest {
         attributes([
@@ -136,13 +127,33 @@ jar {
     }
 }
 
+shadowJar {
+    finalizedBy 'reobfJar'
+
+    dependencies {
+        include(dependency('li.cil.ceres:ceres:.*'))
+        include(dependency('li.cil.sedna:sedna:.*'))
+        include(dependency('li.cil.sedna:sedna-buildroot:.*'))
+    }
+
+    archiveClassifier.set('')
+}
+
+reobf {
+    shadowJar {}
+}
+
+artifacts {
+    archives shadowJar
+}
+
 publishing {
     publications {
         mavenJava(MavenPublication) {
             groupId = project.group
             artifactId = project.name
             version = semver
-            artifact jar
+            artifact shadowJar
         }
     }
     repositories {