Suggestion: Move to gradle and paper's userdev plugin

.gitignore

@@ -1,37 +1,13 @@
 
+/.gradle/
+/build/
 /.idea/
 /api/target/
 /api/.flattened-pom.xml
 /api/ore-control-api.iml
 /common/target/
 /common/.flattened-pom.xml
 /common/ore-control-common.iml
-/impl/v1_18_R1/target/
-/impl/v1_18_R1/.flattened-pom.xml
-/impl/v1_18_R1/ore-control-impl-v1_18_R1.iml
-/impl/v1_18_R2/target/
-/impl/v1_18_R2/.flattened-pom.xml
-/impl/v1_18_R2/ore-control-impl-v1_18_R2.iml
-/impl/v1_19_R1/target/
-/impl/v1_19_R1/.flattened-pom.xml
-/impl/v1_19_R1/ore-control-impl-v1_19_R1.iml
-/impl/v1_19_R2/target/
-/impl/v1_19_R2/.flattened-pom.xml
-/impl/v1_19_R2/ore-control-impl-v1_19_R2.iml
-/impl/v1_19_R3/target/
-/impl/v1_19_R3/.flattened-pom.xml
-/impl/v1_19_R3/ore-control-impl-v1_19_R3.iml
-/impl/v1_20_R1/target/
-/impl/v1_20_R1/.flattened-pom.xml
-/impl/v1_20_R1/ore-control-impl-v1_20_R1.iml
-/impl/v1_20_R2/target/
-/impl/v1_20_R2/.flattened-pom.xml
-/impl/v1_20_R2/ore-control-impl-v1_20_R2.iml
-/impl/v1_20_R3/target/
-/impl/v1_20_R3/.flattened-pom.xml
-/impl/v1_20_R3/ore-control-impl-v1_20_R3.iml
-/impl/.flattened-pom.xml
-/impl/ore-control-impl.iml
 /ore-control/target/
 /ore-control/.flattened-pom.xml
 /ore-control/ore-control.iml
@@ -40,4 +16,7 @@
 .flattened-pom.xml
 target
 *.iml
-
+*/build/
+*/.gradle
+impl/*/build/
+impl/*/.gradle

api/build.gradle.kts

@@ -0,0 +1,14 @@
+
+plugins {
+    `java-library`
+    id("buildlogic.common")
+}
+
+repositories {
+    maven("https://repo.papermc.io/repository/maven-public/")
+}
+
+dependencies {
+    compileOnly(libs.paperApi)
+    compileOnly(libs.jetbrainsAnnotations)
+}

api/src/main/java/de/derfrzocker/feature/api/Feature.java

@@ -11,16 +11,16 @@
  * Each Feature contains one generator and can have multiple placement modifiers.
  * The order of the placement modifiers is important. A list which preserves its order should be used.
  *
- * @param key                The unique key of this feature.
+ * @param namedKey           The unique key of this feature.
  * @param generator          The generator which generates the blocks.
  * @param placementModifiers The placement modifiers which determine the positions to generate the feature.
  */
-public record Feature(@NotNull NamespacedKey key, @NotNull FeatureGenerator<?> generator,
+public record Feature(@NotNull NamespacedKey namedKey, @NotNull FeatureGenerator<?> generator,
                       @NotNull List<FeaturePlacementModifier<?>> placementModifiers) implements Keyed {
 
     @NotNull
     @Override
     public NamespacedKey getKey() {
-        return key();
+        return namedKey();
     }
 }

build-logic/build.gradle.kts

@@ -0,0 +1,15 @@
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    mavenCentral()
+    gradlePluginPortal()
+}
+
+dependencies {
+    implementation(gradleApi())
+    implementation(libs.grgit)
+    implementation(libs.paperweight)
+    implementation(libs.shadow)
+}

build-logic/settings.gradle.kts

@@ -0,0 +1,9 @@
+dependencyResolutionManagement {
+    versionCatalogs {
+        create("libs") {
+            from(files("../gradle/libs.versions.toml"))
+        }
+    }
+}
+
+rootProject.name = "build-logic"

build-logic/src/main/kotlin/buildlogic.adapter.gradle.kts

@@ -0,0 +1,36 @@
+plugins {
+    `java-library`
+    id("io.papermc.paperweight.userdev")
+    id("buildlogic.common-java")
+}
+
+repositories {
+    maven {
+        name = "Paper"
+        url = uri("https://repo.papermc.io/repository/maven-public/")
+    }
+    maven {
+        name = "DerFrZocker-Releases"
+        url = uri("https://nexus.derfrzocker.de/repository/maven-releases/")
+        metadataSources {
+            artifact()
+        }
+    }
+    mavenCentral()
+}
+
+paperweight.reobfArtifactConfiguration = io.papermc.paperweight.userdev.ReobfArtifactConfiguration.REOBF_PRODUCTION
+
+dependencies {
+    "compileOnly"(project(":api"))
+    "compileOnly"(project(":common"))
+    constraints {
+        "remapper"("net.fabricmc:tiny-remapper:[0.8.11,)") {
+            because("Need remapper to support Java 21")
+        }
+    }
+}
+
+tasks.named("assemble").configure {
+    dependsOn("reobfJar")
+}

build-logic/src/main/kotlin/buildlogic.common-java.gradle.kts

@@ -0,0 +1,16 @@
+
+plugins {
+    id("eclipse")
+    id("idea")
+}
+
+tasks
+    .withType<JavaCompile>()
+    .matching { it.name == "compileJava" || it.name == "compileTestJava" }
+    .configureEach {
+        options.release.set(21)
+        options.encoding = "UTF-8"
+        options.compilerArgs.add("-parameters")
+        options.compilerArgs.add("-Werror")
+    }
+

build-logic/src/main/kotlin/buildlogic.common.gradle.kts

@@ -0,0 +1,26 @@
+import org.gradle.kotlin.dsl.`java-library`
+import org.gradle.kotlin.dsl.repositories
+
+plugins {
+    `java-library`
+    id("buildlogic.common-java")
+}
+
+repositories {
+    maven {
+        name = "Paper"
+        url = uri("https://repo.papermc.io/repository/maven-public/")
+    }
+    maven {
+        name = "DerFrZocker-Releases"
+        url = uri("https://nexus.derfrzocker.de/repository/maven-releases/")
+        metadataSources {
+            artifact()
+        }
+    }
+    maven {
+        name = "CodeMC"
+        url = uri("https://repo.codemc.org/repository/maven-public")
+    }
+    mavenCentral()
+}

build-logic/src/main/kotlin/buildlogic.shadow.gradle.kts

@@ -0,0 +1,5 @@
+
+plugins {
+    id("com.gradleup.shadow")
+    id("buildlogic.common-java")
+}

build.gradle.kts

@@ -0,0 +1,25 @@
+import org.ajoberstar.grgit.Grgit
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+plugins {
+    jacoco
+    id("org.ajoberstar.grgit") version "5.2.2"
+}
+
+val date: String = LocalDate.now().format(DateTimeFormatter.ofPattern("yyyy.MM.dd"))
+
+if (!project.hasProperty("gitCommitHash")) {
+    apply(plugin = "org.ajoberstar.grgit")
+    val gitCommitHash: String? = try {
+        extensions.getByName<Grgit>("grgit").head()?.abbreviatedId
+    } catch (e: Exception) {
+        logger.warn("Error getting commit hash", e)
+        ""
+    }
+    version = "$date-$gitCommitHash"
+} else {
+    version = date
+}
+
+group = "de.derfrzocker"

common/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+    `java-library`
+    id("buildlogic.common")
+}
+
+dependencies {
+    compileOnly(libs.paperApi)
+    implementation(project(":api"))
+    implementation(libs.bstats)
+    implementation(libs.spigotutils)
+    compileOnly(libs.exp4j)
+}

common/src/main/java/de/derfrzocker/feature/common/util/Refraction.java

@@ -0,0 +1,23 @@
+package de.derfrzocker.feature.common.util;
+
+public class Refraction {
+    private static final String MOJANG_MAPPED_CLASS_NAME = "net.minecraft.nbt.ListTag";
+    private static final boolean IS_MOJANG_MAPPED;
+
+    static {
+        boolean isMojangMapped;
+        try {
+            Class.forName(MOJANG_MAPPED_CLASS_NAME, false, Refraction.class.getClassLoader());
+            isMojangMapped = true;
+        } catch (ClassNotFoundException e) {
+            isMojangMapped = false;
+        }
+        IS_MOJANG_MAPPED = isMojangMapped;
+    }
+
+    public static String pickName(String mojangName, String spigotName) {
+        return IS_MOJANG_MAPPED ? mojangName : spigotName;
+    }
+
+    private Refraction() {}
+}

gradle/gradle-daemon-jvm.properties

@@ -0,0 +1,2 @@
+#This file is generated by updateDaemonJvm
+toolchainVersion=21

gradle/libs.versions.toml

@@ -0,0 +1,23 @@
+[libraries]
+grgit = "org.ajoberstar.grgit:grgit-gradle:5.2.2"
+shadow = "com.gradleup.shadow:shadow-gradle-plugin:8.3.5"
+
+paperweight = "io.papermc.paperweight.userdev:io.papermc.paperweight.userdev.gradle.plugin:1.7.7"
+
+jsr305 = "com.google.code.findbugs:jsr305:3.0.2"
+jetbrainsAnnotations = "org.jetbrains:annotations:24.1.0"
+
+junit = "org.junit.jupiter:junit-jupiter:5.10.0-M1"
+
+mockito-bom = "org.mockito:mockito-bom:5.11.0"
+mockito-core.module = "org.mockito:mockito-core"
+mockito-junit-jupiter.module = "org.mockito:mockito-junit-jupiter"
+
+commonsCli = "commons-cli:commons-cli:1.4"
+
+paperApi = "io.papermc.paper:paper-api:1.20.2-R0.1-SNAPSHOT"
+paperLib = "io.papermc:paperlib:1.0.8"
+
+bstats = "org.bstats:bstats-bukkit:3.0.0"
+spigotutils = "de.derfrzocker:spigot-utils:97"
+exp4j = "net.objecthunter:exp4j:0.4.8"

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists