Configure basic Forge mixin setup

AGENTS.md

@@ -1,6 +1,6 @@
 # AGENTS
 
-This repository hosts **Identity**, a Minecraft Forge 1.20.1 mod written in Java.
+This repository hosts **Identity**, a Minecraft Forge 1.21.1 mod written in Java.
 
 ## Coding Guidelines
 - Use four spaces for indentation.
@@ -11,17 +11,17 @@ This repository hosts **Identity**, a Minecraft Forge 1.20.1 mod written in Java
 - The project uses Gradle. The wrapper is not included, so use the system `gradle` command.
 - Run `gradle build` from the repository root after any changes. This is the current programmatic check. The build may fail if external dependencies cannot be resolved.
 - No test suite exists yet.
-- Build with **JDK 17**. Ensure the PATH and `java` command reference JDK 17 before running Gradle.
+- Build with **JDK 21**. Ensure the PATH and `java` command reference JDK 21 before running Gradle.
 
 ## Environment Setup
 - Install `apt-utils` to prevent debconf warnings:
   ```bash
   sudo apt-get update && sudo apt-get install -y apt-utils
   ```
-- Install the JDK 17 package if it isn't present:
+- Install the JDK 21 package if it isn't present:
   ```bash
-  sudo apt-get install -y openjdk-17-jdk
+  sudo apt-get install -y openjdk-21-jdk
   sudo dpkg --configure -a
   ```
-- Set `java` and `javac` to the OpenJDK 17 binaries via `update-alternatives` and ensure they appear first in `PATH` when building.
+  - Set `java` and `javac` to the OpenJDK 21 binaries via `update-alternatives` and ensure they appear first in `PATH` when building.
 

README.md

@@ -1,22 +1,18 @@
 # Identity
 
-*Identity* is a mod inspired by [Morph](https://www.curseforge.com/minecraft/mc-mods/morph), built for both Fabric and Forge mod loader.
+*Identity* is a Minecraft Forge mod inspired by [Morph](https://www.curseforge.com/minecraft/mc-mods/morph).
 This version is actively maintained and updated by me, as the original creator seems to have stepped away from further development.
 
 
 ---
 
 **Versions**:
 
-|        | Fabric | Forge |
-|--------| ----------- | ----------- |
-| 1.20.1 | ✅   | ✅    |
+|        | Forge |
+|--------|-------|
+| 1.21.1 | ✅    |
 
-**Required Libraries (1.20.1):**
-
-Fabric => [Architectury API (Fabric)](https://www.curseforge.com/minecraft/mc-mods/architectury-fabric)
-
-Forge => [Architectury API (Forge)](https://www.curseforge.com/minecraft/mc-mods/architectury-forge)
+This project targets Minecraft 1.21.1 on Forge and builds using JDK 21.
 
 ---
 
@@ -39,3 +35,4 @@ To unlock an *Identity*, kill a nearby mob. You'll see a notification above your
 ### License
 
 Identity is licensed under MIT. 
+

build.gradle

@@ -1,83 +1,4 @@
 plugins {
-    id 'java-library'
-    id 'dev.architectury.loom' version '1.7-SNAPSHOT' apply false
-    id 'architectury-plugin' version '3.4-SNAPSHOT'
-    id 'com.github.johnrengelman.shadow' version '8.1.1' apply false
+    id 'base'
 }
 
-java {
-    toolchain {
-        languageVersion = JavaLanguageVersion.of(17)
-    }
-}
-
-architectury {
-    minecraft = rootProject.minecraft_version
-}
-
-subprojects {
-    apply plugin: 'dev.architectury.loom'
-    apply plugin: 'architectury-plugin'
-    apply plugin: 'maven-publish'
-
-    dependencies {
-        minecraft "com.mojang:minecraft:${rootProject.minecraft_version}"
-        mappings "net.fabricmc:yarn:${rootProject.yarn_mappings}:v2"
-
-
-    }
-}
-
-allprojects {
-    apply plugin: "java"
-    apply plugin: "architectury-plugin"
-    apply plugin: "maven-publish"
-
-    java {
-        toolchain {
-            languageVersion = JavaLanguageVersion.of(17)
-        }
-    }
-
-    archivesBaseName = rootProject.archives_base_name
-    version = rootProject.mod_version + "-" + rootProject.minecraft_version
-    group = rootProject.maven_group
-
-    repositories {
-        // Add repositories to retrieve artifacts from in here.
-        // You should only use this when depending on other mods because
-        // Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
-        // See https://docs.gradle.org/current/userguide/declaring_repositories.html
-        // for more information about repositories.
-        maven {
-            name = "Citadel & Alex's Mobs"
-            url = "https://dl.cloudsmith.io/public/tslat/systems/maven/"
-        }
-        maven {
-            name = "CurseMaven"
-            url = "https://cursemaven.com"
-        }
-        maven {
-            url = "https://api.modrinth.com/maven"
-        }
-        maven {
-            name = 'GeckoLib'
-            url 'https://dl.cloudsmith.io/public/geckolib3/geckolib/maven/'
-            content {
-                includeGroupByRegex("software\\.bernie.*")
-                includeGroup("com.eliotlash.mclib")
-            }
-        }
-        maven { url "https://maven.shedaniel.me/" }
-        flatDir { dir 'libs' }
-    }
-
-    tasks.withType(JavaCompile) {
-        options.encoding = "UTF-8"
-        options.release = 17
-    }
-
-    java {
-        withSourcesJar()
-    }
-}