Working on compatibility with Create 6.

gradle/java.gradle

@@ -0,0 +1,39 @@
+apply plugin: 'java'
+
+java.toolchain.languageVersion = JavaLanguageVersion.of(17)
+java.withSourcesJar()
+java.withJavadocJar()
+
+jar {
+    manifest {
+        attributes([
+                'Specification-Title'     : mod_name,
+                'Specification-Vendor'    : mod_author,
+                'Specification-Version'   : project.jar.archiveVersion,
+                'Implementation-Title'    : project.name,
+                'Implementation-Version'  : project.jar.archiveVersion,
+                'Implementation-Vendor'   : mod_author,
+                'Implementation-Timestamp': new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
+                'Timestampe'              : System.currentTimeMillis(),
+                'Built-On-Java'           : "${System.getProperty('java.vm.version')} (${System.getProperty('java.vm.vendor')})",
+                'Built-On-Minecraft'      : minecraft_version
+        ])
+    }
+}
+
+tasks.withType(JavaCompile).configureEach {
+    it.options.encoding = 'UTF-8'
+    it.options.release = 17
+}
+
+// Disables Gradle's custom module metadata from being published to maven. The
+// metadata includes mapped dependencies which are not reasonably consumable by
+// other mod developers.
+tasks.withType(GenerateModuleMetadata) {
+	enabled = false
+}
+
+javadoc {
+    // Suppress annoying warnings when generating JavaDoc files.
+    options.addStringOption('Xdoclint:none', '-quiet')
+}

gradle/property_loader.gradle

@@ -0,0 +1,48 @@
+/*
+ This module can inject build properties from a JSON file. Each property in the
+ JSON file will be mapped to a build property using the key of that property.
+ Property keys ending with _comment will be skipped.
+
+ If a secretFile property exists and points to a valid JSON file that file will
+ be automatically loaded. You can manually load a file using the loadProperties
+ method.
+*/
+import groovy.json.JsonSlurper
+
+// Auto detects a secret file and injects it.
+if (project.rootProject.hasProperty("secretFile")) {
+    project.logger.lifecycle("Automatically loading properties from the secretFile")
+    final def secretsFile = project.rootProject.file(project.rootProject.getProperty("secretFile"))
+
+    if (secretsFile.exists() && secretsFile.name.endsWith(".json")) {
+        loadProperties(secretsFile)
+    }
+}
+
+// Loads properties using a specified json file.
+def loadProperties(propertyFile) {
+    if (propertyFile.exists()) {
+        propertyFile.withReader {
+            Map propMap = new JsonSlurper().parse it
+
+            for (entry in propMap) {
+
+                // Filter entries that use _comment in the key.
+                if (!entry.key.endsWith("_comment")) {
+
+                    project.ext.set(entry.key, entry.value)
+                }
+            }
+
+            project.logger.lifecycle("Successfully loaded " + propMap.size() + " properties")
+            propMap.clear()
+        }
+    } else {
+        project.logger.warn("The property file " + propertyFile.getName() + " could not be loaded. It does not exist.")
+    }
+}
+
+// Allows other scripts to use these methods.
+ext {
+    loadProperties = this.&loadProperties
+}

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists