1.20.5 Support

.github/workflows/docs/setup-docs/action.yml

@@ -26,7 +26,7 @@ runs:
         ssh-key: ${{ inputs.docs_deploy_key }}
     - uses: actions/setup-java@v3
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'adopt'
         cache: gradle
     - shell: bash

.github/workflows/java-17-builds.yml

@@ -1,4 +1,4 @@
-name: Java 17 CI (MC 1.17+)
+name: Java 17 CI (MC 1.17-1.20.4)
 
 on:
     push:
@@ -17,10 +17,10 @@ jobs:
                   submodules: recursive
             - name: validate gradle wrapper
               uses: gradle/wrapper-validation-action@v2
-            - name: Set up JDK 17
-              uses: actions/setup-java@v3
+            - name: Set up JDK 21
+              uses: actions/setup-java@v4
               with:
-                  java-version: '17'
+                  java-version: '21'
                   distribution: 'adopt'
                   cache: gradle
             - name: Grant execute permission for gradlew

.github/workflows/java-21-builds.yml

@@ -0,0 +1,35 @@
+name: Java 21 CI (MC 1.20.6+)
+
+on:
+    push:
+        branches:
+            - master
+            - 'dev/**'
+    pull_request:
+
+jobs:
+    build:
+        if: "! contains(toJSON(github.event.commits.*.message), '[ci skip]')"
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+              with:
+                  submodules: recursive
+            - name: validate gradle wrapper
+              uses: gradle/wrapper-validation-action@v2
+            - name: Set up JDK 21
+              uses: actions/setup-java@v4
+              with:
+                  java-version: '21'
+                  distribution: 'adopt'
+                  cache: gradle
+            - name: Grant execute permission for gradlew
+              run: chmod +x gradlew
+            - name: Build Skript and run test scripts
+              run: ./gradlew clean skriptTestJava21
+            - name: Upload Nightly Build
+              uses: actions/upload-artifact@v4
+              if: success()
+              with:
+                  name: skript-nightly
+                  path: build/libs/*

.github/workflows/java-8-builds.yml

@@ -17,10 +17,10 @@ jobs:
                   submodules: recursive
             - name: validate gradle wrapper
               uses: gradle/wrapper-validation-action@v2
-            - name: Set up JDK 17
+            - name: Set up JDK 21
               uses: actions/setup-java@v4
               with:
-                  java-version: '17'
+                  java-version: '21'
                   distribution: 'adopt'
                   cache: gradle
             - name: Grant execute permission for gradlew

.github/workflows/junit-17-builds.yml

@@ -1,4 +1,4 @@
-name: JUnit (MC 1.17+)
+name: JUnit (MC 1.17-1.20.4)
 
 on:
     push:
@@ -17,10 +17,10 @@ jobs:
                   submodules: recursive
             - name: validate gradle wrapper
               uses: gradle/wrapper-validation-action@v2
-            - name: Set up JDK 17
+            - name: Set up JDK 21
               uses: actions/setup-java@v4
               with:
-                  java-version: '17'
+                  java-version: '21'
                   distribution: 'adopt'
                   cache: gradle
             - name: Grant execute permission for gradlew

.github/workflows/junit-21-builds.disabled

@@ -0,0 +1,31 @@
+# Disabled as EasyMock 5.2.0 is required for Java 21 support
+# However, we are currently using 5.0.1 (see https://github.com/SkriptLang/Skript/pull/6204#discussion_r1405302009)
+name: JUnit (MC 1.20.6+)
+
+on:
+    push:
+        branches:
+            - master
+            - 'dev/**'
+    pull_request:
+
+jobs:
+    build:
+        if: "! contains(toJSON(github.event.commits.*.message), '[ci skip]')"
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+              with:
+                  submodules: recursive
+            - name: validate gradle wrapper
+              uses: gradle/wrapper-validation-action@v2
+            - name: Set up JDK 21
+              uses: actions/setup-java@v4
+              with:
+                  java-version: '21'
+                  distribution: 'adopt'
+                  cache: gradle
+            - name: Grant execute permission for gradlew
+              run: chmod +x gradlew
+            - name: Build Skript and run JUnit
+              run: ./gradlew clean JUnitJava21

.github/workflows/junit-8-builds.yml

@@ -17,10 +17,10 @@ jobs:
                   submodules: recursive
             - name: validate gradle wrapper
               uses: gradle/wrapper-validation-action@v2
-            - name: Set up JDK 17
+            - name: Set up JDK 21
               uses: actions/setup-java@v4
               with:
-                  java-version: '17'
+                  java-version: '21'
                   distribution: 'adopt'
                   cache: gradle
             - name: Grant execute permission for gradlew

.github/workflows/repo.yml

@@ -13,10 +13,10 @@ jobs:
                   submodules: recursive
             - name: validate gradle wrapper
               uses: gradle/wrapper-validation-action@v2
-            - name: Set up JDK 17
+            - name: Set up JDK 21
               uses: actions/setup-java@v4
               with:
-                  java-version: '17'
+                  java-version: '21'
                   distribution: 'adopt'
                   cache: gradle
             - name: Publish Skript

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "skript-aliases"]
 	path = skript-aliases
 	url = https://github.com/SkriptLang/skript-aliases
+	branch = patch/1.20.5-support

README.md

@@ -77,13 +77,13 @@ Skript has some tests written in Skript. Running them requires a Minecraft
 server, but our build script will create one for you. Running the tests is easy:
 
 ```
-./gradlew (quickTest|skriptTest|skriptTestJava8|skriptTestJava17)
+./gradlew (quickTest|skriptTest|skriptTestJava8|skriptTestJava21)
 ```
 
 <code>quickTest</code> runs the test suite on newest supported server version.
-<code>skriptTestJava17</code> (1.17+) runs the tests on the latest supported Java version.
+<code>skriptTestJava21</code> (1.17+) runs the tests on the latest supported Java version.
 <code>skriptTestJava8</code> (1.13-1.16) runs the tests on the oldest supported Java version.
-<code>skriptTest</code> runs both skriptTestJava8 and skriptTestJava17
+<code>skriptTest</code> runs both skriptTestJava8 and skriptTestJava21
 
 By running the tests, you agree to Mojang's End User License Agreement.
 

build.gradle

@@ -20,6 +20,7 @@ allprojects {
 		maven { url 'https://hub.spigotmc.org/nexus/content/repositories/snapshots/' }
 		maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
 		maven { url 'https://repo.papermc.io/repository/maven-public/' }
+		maven { url = 'https://s01.oss.sonatype.org/content/repositories/snapshots/' } // needed for paper adventure snapshot
 		maven { url 'https://ci.emc.gs/nexus/content/groups/aikar/' }
 	}
 }
@@ -29,7 +30,7 @@ dependencies {
 	shadow group: 'org.bstats', name: 'bstats-bukkit', version: '3.0.2'
 	shadow group: 'net.kyori', name: 'adventure-text-serializer-bungeecord', version: '4.3.2'
 
-	implementation group: 'io.papermc.paper', name: 'paper-api', version: '1.20.4-R0.1-SNAPSHOT'
+	implementation group: 'io.papermc.paper', name: 'paper-api', version: '1.20.6-R0.1-SNAPSHOT'
 	implementation group: 'org.eclipse.jdt', name: 'org.eclipse.jdt.annotation', version: '2.2.700'
 	implementation group: 'com.google.code.findbugs', name: 'findbugs', version: '3.0.1'
 	implementation group: 'com.sk89q.worldguard', name: 'worldguard-legacy', version: '7.0.0-SNAPSHOT'
@@ -70,7 +71,7 @@ task build(overwrite: true, type: ShadowJar) {
 	from sourceSets.main.output
 }
 
-// Excludes the tests for the build task. Should be using junit, junitJava17, junitJava8, skriptTest, quickTest.
+// Excludes the tests for the build task. Should be using junit, junitJava21, junitJava8, skriptTest, quickTest.
 // We do not want tests to run for building. That's time consuming and annoying. Especially in development.
 test {
 	exclude '**/*'
@@ -250,9 +251,16 @@ void createTestTask(String name, String desc, String environments, int javaVersi
 	}
 }
 
-def latestEnv = 'java17/paper-1.20.4.json'
-def latestJava = 17
-def oldestJava = 8
+def java21 = 21
+def java17 = 17
+def java8 = 8
+
+def latestEnv = 'java21/paper-1.20.6.json'
+def latestJava = java21
+def oldestJava = java8
+
+def latestJUnitEnv = 'java17/paper-1.20.4.json'
+def latestJUnitJava = java17
 
 java {
     toolchain.languageVersion.set(JavaLanguageVersion.of(latestJava))
@@ -270,23 +278,27 @@ String environments = 'src/test/skript/environments/';
 String env = project.property('testEnv') == null ? latestEnv : project.property('testEnv') + '.json'
 int envJava = project.property('testEnvJavaVersion') == null ? latestJava : Integer.parseInt(project.property('testEnvJavaVersion') as String)
 createTestTask('quickTest', 'Runs tests on one environment being the latest supported Java and Minecraft.', environments + latestEnv, latestJava, 0)
-createTestTask('skriptTestJava17', 'Runs tests on all Java 17 environments.', environments + 'java17', latestJava, 0)
-createTestTask('skriptTestJava8', 'Runs tests on all Java 8 environments.', environments + 'java8', oldestJava, 0)
+createTestTask('skriptTestJava21', 'Runs tests on all Java 21 environments.', environments + 'java21', java21, 0)
+createTestTask('skriptTestJava17', 'Runs tests on all Java 17 environments.', environments + 'java17', java17, 0)
+createTestTask('skriptTestJava8', 'Runs tests on all Java 8 environments.', environments + 'java8', java8, 0)
 createTestTask('skriptTestDev', 'Runs testing server and uses \'system.in\' for command input, stop server to finish.', environments + env, envJava, 0, Modifiers.DEV_MODE, Modifiers.DEBUG)
 createTestTask('skriptProfile', 'Starts the testing server with JProfiler support.', environments + latestEnv, latestJava, -1, Modifiers.PROFILE)
 createTestTask('genNightlyDocs', 'Generates the Skript documentation website html files.', environments + env, envJava, 0, Modifiers.GEN_NIGHTLY_DOCS)
 createTestTask('genReleaseDocs', 'Generates the Skript documentation website html files for a release.', environments + env, envJava, 0, Modifiers.GEN_RELEASE_DOCS)
 tasks.register('skriptTest') {
 	description = 'Runs tests on all environments.'
-	dependsOn skriptTestJava8, skriptTestJava17
+	dependsOn skriptTestJava8, skriptTestJava17, skriptTestJava21
 }
 
-createTestTask('JUnitQuick', 'Runs JUnit tests on one environment being the latest supported Java and Minecraft.', environments + latestEnv, latestJava, 0, Modifiers.JUNIT)
-createTestTask('JUnitJava17', 'Runs JUnit tests on all Java 17 environments.', environments + 'java17', latestJava, 0, Modifiers.JUNIT)
-createTestTask('JUnitJava8', 'Runs JUnit tests on all Java 8 environments.', environments + 'java8', oldestJava, 0, Modifiers.JUNIT)
+createTestTask('JUnitQuick', 'Runs JUnit tests on one environment being the latest supported Java and Minecraft.', environments + latestJUnitEnv, latestJUnitJava, 0, Modifiers.JUNIT)
+// Disabled as EasyMock 5.2.0 is required for Java 21 support
+// However, we are currently using 5.0.1 (see https://github.com/SkriptLang/Skript/pull/6204#discussion_r1405302009)
+//createTestTask('JUnitJava21', 'Runs JUnit tests on all Java 21 environments.', environments + 'java21', java21, 0, Modifiers.JUNIT)
+createTestTask('JUnitJava17', 'Runs JUnit tests on all Java 17 environments.', environments + 'java17', java17, 0, Modifiers.JUNIT)
+createTestTask('JUnitJava8', 'Runs JUnit tests on all Java 8 environments.', environments + 'java8', java8, 0, Modifiers.JUNIT)
 tasks.register('JUnit') {
 	description = 'Runs JUnit tests on all environments.'
-	dependsOn JUnitJava8, JUnitJava17
+	dependsOn JUnitJava8, JUnitJava17//, JUnitJava21
 }
 
 // Build flavor configurations

code-conventions.md

@@ -163,9 +163,9 @@ Your comments should look something like these:
 ## Language Features
 
 ### Compatibility
-* Contributions should maintain Java 8 source/binary compatibility, even though compiling Skript requires Java 17
+* Contributions should maintain Java 8 source/binary compatibility, even though compiling Skript requires Java 21
   - Users must not need JRE newer than version 8
-* Versions up to and including Java 17 should work too
+* Versions up to and including Java 21 should work too
   - Please avoid using unsafe reflection
 * It is recommended to make fields final, if they are effectively final
 * Local variables and method parameters should not be declared final

gradle.properties

@@ -7,5 +7,5 @@ groupid=ch.njol
 name=skript
 version=2.8.4
 jarName=Skript.jar
-testEnv=java17/paper-1.20.4
-testEnvJavaVersion=17
+testEnv=java21/paper-1.20.4
+testEnvJavaVersion=21

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

src/main/java/ch/njol/skript/Skript.java

@@ -1159,7 +1159,9 @@ public void onPluginDisable(PluginDisableEvent event) {
 				// 1.19 mapping is u and 1.18 is v
 				String isRunningMethod = "isRunning";
 
-				if (Skript.isRunningMinecraft(1, 20)) {
+				if (Skript.isRunningMinecraft(1, 20, 5)) {
+					isRunningMethod = "x";
+				} else if (Skript.isRunningMinecraft(1, 20)) {
 					isRunningMethod = "v";
 				} else if (Skript.isRunningMinecraft(1, 19)) {
 					isRunningMethod = "u";

src/main/java/ch/njol/skript/aliases/Aliases.java

@@ -58,6 +58,8 @@
 
 public abstract class Aliases {
 
+	static final boolean USING_ITEM_COMPONENTS = Skript.isRunningMinecraft(1, 20, 5);
+
 	private static final AliasesProvider provider = createProvider(10000, null);
 	private static final AliasesParser parser = createParser(provider);
 

src/main/java/ch/njol/skript/aliases/AliasesParser.java

@@ -218,9 +218,20 @@ protected Variation parseVariation(String item) {
 				throw new AssertionError("missing space between id and tags in " + item);
 			}
 			id = item.substring(0, firstBracket - 1);
-			String json = item.substring(firstBracket);
-			assert json != null;
-			tags = provider.parseMojangson(json);
+			String json;
+			int jsonEndIndex = item.indexOf("} ["); // may also have block states/data
+			if (jsonEndIndex == -1) {
+				json = item.substring(firstBracket);
+			} else {
+				json = item.substring(firstBracket, jsonEndIndex + 1);
+				id = id + item.substring(jsonEndIndex + 2); // essentially rips out json part
+			}
+			if (Aliases.USING_ITEM_COMPONENTS) {
+				json = "[" + json.substring(1, json.length() - 1) + "]"; // replace brackets (not json :))
+				tags = Collections.singletonMap("components", json);
+			} else {
+				tags = provider.parseMojangson(json);
+			}
 		}
 
 		// Separate block state from id

src/main/java/ch/njol/skript/aliases/AliasesProvider.java

@@ -218,9 +218,18 @@ public int applyTags(ItemStack stack, Map<String, Object> tags) {
 			return flags;
 
 		// Apply random tags using JSON
-		String json = gson.toJson(tags);
-		assert json != null;
-		BukkitUnsafe.modifyItemStack(stack, json);
+		if (Aliases.USING_ITEM_COMPONENTS) {
+			String components = (String) tags.get("components"); // only components are supported for modifying a stack
+			assert components != null;
+			// for modifyItemStack to work, you have to include an item id ... e.g. "minecraft:dirt[<components>]"
+			// just to be safe we use the same one as the provided stack
+			components = stack.getType().getKey() + components;
+			BukkitUnsafe.modifyItemStack(stack, components);
+		} else {
+			String json = gson.toJson(tags);
+			assert json != null;
+			BukkitUnsafe.modifyItemStack(stack, json);
+		}
 		flags |= ItemFlags.CHANGED_TAGS;
 
 		return flags;
@@ -269,6 +278,14 @@ public void addAlias(AliasName name, String id, @Nullable Map<String, Object> ta
 		ItemType typeOfId = getAlias(id);
 		EntityData<?> related = null;
 		List<ItemData> datas;
+
+		// check whether deduplication will occur
+		boolean deduplicate = true;
+		String deduplicateFlag = blockStates.remove("deduplicate");
+		if (deduplicateFlag != null) {
+			deduplicate = !deduplicateFlag.equals("false");
+		}
+
 		if (typeOfId != null) { // If it exists, use datas from it
 			datas = typeOfId.getTypes();
 		} else { // ... but quite often, we just got Vanilla id
@@ -301,11 +318,13 @@ public void addAlias(AliasName name, String id, @Nullable Map<String, Object> ta
 			data.itemFlags = itemFlags;
 
 			// Deduplicate item data if this has been loaded before
-			AliasesMap.Match canonical = aliasesMap.exactMatch(data);
-			if (canonical.getQuality().isAtLeast(MatchQuality.EXACT)) {
-				AliasesMap.AliasData aliasData = canonical.getData();
-				assert aliasData != null; // Match quality guarantees this
-				data = aliasData.getItem();
+			if (deduplicate) {
+				AliasesMap.Match canonical = aliasesMap.exactMatch(data);
+				if (canonical.getQuality().isAtLeast(MatchQuality.EXACT)) {
+					AliasesMap.AliasData aliasData = canonical.getData();
+					assert aliasData != null; // Match quality guarantees this
+					data = aliasData.getItem();
+				}
 			}
 
 			datas = Collections.singletonList(data);