Update to Paper-API 1.20.5

Java 21 is now required

Add java-downgrader plugin to support older Java versions
Migrate shadow from com.github.johnrengelman.shadow to io.github.goooler.shadow to fix the project compilation using Java 21 and Gradle 8.7 https://github.com/johnrengelman/shadow/pull/876

1 files changed, 13 insertions, 3 deletions

diff --git a/build.gradle b/build.gradle
index dce07df0..3224ed45 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,9 @@
+import net.raphimc.javadowngrader.gradle.task.DowngradeJarTask
+
 plugins {
     id 'java'
-    id 'com.github.johnrengelman.shadow' version '8.1.1'
+    id 'io.github.goooler.shadow' version '8.1.7'
+    id 'net.raphimc.java-downgrader' version '1.1.2'
     id 'maven-publish'
 }
 
@@ -12,8 +15,8 @@ allprojects {
     group = 'com.leonardobishop'
     version = '3.15'
 
-    sourceCompatibility = 17
-    targetCompatibility = 17
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 task allJar( type: Jar, dependsOn: subprojects.tasks['build'] ) {
@@ -33,6 +36,13 @@ task allJar( type: Jar, dependsOn: subprojects.tasks['build'] ) {
     archiveBaseName = 'Quests'
 }
 
+tasks.register("java8Jar", DowngradeJarTask) {
+    input = tasks.jar.archiveFile.get().asFile
+    outputSuffix = "+java8"
+    compileClassPath = sourceSets.main.compileClasspath
+}.get().dependsOn("allJar")
+allJar.finalizedBy("java8Jar")
+
 artifacts {
     archives allJar
 }