Reflection

build.gradle

@@ -67,30 +67,85 @@ tasks.register('runControlExample', JavaExec) {
     mainClass = 'gg.playit.control.example.ControlExample'
 }
 
+configurations {
+    compileOnly_v1_17 {
+        extendsFrom compileOnly
+        canBeResolved = true
+    }
+    compileOnly_v1_21 {
+        extendsFrom compileOnly
+        canBeResolved = true
+    }
+    compileOnly_v1_21_4 {
+        extendsFrom compileOnly
+        canBeResolved = true
+    }
+}
+
 repositories {
+    mavenLocal()
     mavenCentral()
     maven { url = 'https://hub.spigotmc.org/nexus/content/repositories/public/' }
+    maven { url = 'https://maven.elmakers.com/repository/' }
+    maven { url = 'https://repo.codemc.io/repository/nms/' }
     maven { url = 'https://repo.dmulloy2.net/repository/public/' }
+    maven { url = 'https://repo.screamingsandals.org/public' }
 }
 
 jar {
     enabled = false
 }
 
+sourceSets {
+    v1_17 {
+        java { srcDirs = ['src/v1_17/java'] }
+        compileClasspath += sourceSets.main.output
+        compileClasspath += configurations.compileOnly_v1_17
+    }
+    v1_21 {
+        java { srcDirs = ['src/v1_21/java'] }
+        compileClasspath += sourceSets.main.output
+        compileClasspath += configurations.compileOnly_v1_21
+    }
+    v1_21_4 {
+        java { srcDirs = ['src/v1_21_4/java'] }
+        compileClasspath += sourceSets.main.output
+        compileClasspath += configurations.compileOnly_v1_21_4
+    }
+}
+
 dependencies {
     implementation 'jakarta.validation:jakarta.validation-api:3.0.2'
     implementation 'commons-io:commons-io:2.11.0'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.14.0-rc1'
     implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.14.0-rc1'
 
     compileOnly 'io.netty:netty-all:4.1.82.Final'
-    compileOnly 'org.spigotmc:spigot-api:1.16.5-R0.1-SNAPSHOT'
+    compileOnly 'org.spigotmc:spigot-api:1.21.1-R0.1-SNAPSHOT'
+
+    compileOnly_v1_17('org.spigotmc:spigot:1.17.1-R0.1-SNAPSHOT:remapped-mojang') { transitive = false }
+    compileOnly_v1_21('org.spigotmc:spigot:1.21.1-R0.1-SNAPSHOT:remapped-mojang') { transitive = false }
+    compileOnly_v1_21_4('org.spigotmc:spigot:1.21.4-R0.1-SNAPSHOT:remapped-mojang') { transitive = false }
 }
 
 shadowJar {
     archiveBaseName.set('playit-minecraft-plugin')
     archiveClassifier.set('')
     archiveVersion.set(project.version as String)
+
+    from sourceSets.v1_17.output
+    from sourceSets.v1_21.output
+    from sourceSets.v1_21_4.output
+
+    exclude('META-INF/LICENSE')
+    exclude('META-INF/LICENSE*')
+    exclude('META-INF/NOTICE')
+    exclude('META-INF/NOTICE*')
 }
 
+tasks.named('compileV1_17Java') { dependsOn compileJava }
+tasks.named('compileV1_21Java') { dependsOn compileJava }
+tasks.named('compileV1_21_4Java') { dependsOn compileJava }
+
+shadowJar.dependsOn compileV1_17Java, compileV1_21Java, compileV1_21_4Java
 build.dependsOn shadowJar

gradle.properties

@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx4g -Xms512m

settings.gradle

@@ -1 +1,10 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        maven {
+            url = 'https://repo.screamingsandals.org/public'
+        }
+    }
+}
+
 rootProject.name = 'playit-minecraft-java-plugin'