WIP 1.12 support

src/main/java/com/gtnewhorizons/gtnhgradle/GTNHGradlePlugin.java

@@ -94,6 +94,8 @@ public static abstract class GTNHExtension implements ExtensionAware {
         /** Logging service used by the plugin */
         public final @NotNull Logger logger;
 
+        public final @NotNull MinecraftVersion minecraftVersion;
+
         /** Parsed properties associated with this project */
         public @NotNull PropertiesConfiguration configuration;
 
@@ -142,6 +144,7 @@ public static abstract class GTNHExtension implements ExtensionAware {
         public GTNHExtension(final Project project) {
             logger = Logging.getLogger(GTNHGradlePlugin.class);
             configuration = PropertiesConfiguration.GradleUtils.makePropertiesFrom(project);
+            minecraftVersion = MinecraftVersion.getByVersionString(configuration.minecraftVersion);
         }
 
         /**
@@ -194,4 +197,33 @@ public void applyAllModules(final Project project) {
         @Inject
         public abstract @NotNull ExecOperations getExecOperations();
     }
+
+    /**
+     * The enum stored in the GTNHExtension object representing the selected MC version
+     */
+    public enum MinecraftVersion {
+
+        V1_7_10("1.7.10"),
+        V1_12_2("1.12.2");
+
+        private final String version;
+
+        MinecraftVersion(String version) {
+            this.version = version;
+        }
+
+        public String getVersion() {
+            return version;
+        }
+
+        public static MinecraftVersion getByVersionString(String version) {
+            for (MinecraftVersion v : MinecraftVersion.values()) {
+                if (v.getVersion()
+                    .equals(version)) {
+                    return v;
+                }
+            }
+            throw new IllegalArgumentException("Invalid Minecraft Version" + version);
+        }
+    }
 }

src/main/java/com/gtnewhorizons/gtnhgradle/PropertiesConfiguration.java

@@ -549,7 +549,10 @@ Enables using modern Java syntax (up to version 17) via Jabel, while still targe
         preferPopulated = true,
         required = false,
         docComment = """
-            Adds CurseMaven, Modrinth, and some more well-known 1.7.10 repositories.
+            Adds the following well-known repositories:
+            CurseMaven
+            Modrinth
+            BlameJared(1.12.2 only)
             """)
     public boolean includeWellKnownRepositories = true;
 
@@ -564,6 +567,7 @@ Enables using modern Java syntax (up to version 17) via Jabel, while still targe
             list of strings, with the acceptable keys being(case does not matter):
             cursemaven
             modrinth
+            blamejared
             """)
     public @NotNull String excludeWellKnownRepositories = "";
 

src/main/java/com/gtnewhorizons/gtnhgradle/UpdateableConstants.java

@@ -16,9 +16,12 @@ public class UpdateableConstants {
     // https://github.com/GTNewHorizons/ExampleMod1.7.10/releases
     public static final @NotNull String NEWEST_BLOWDRYER_TAG = "0.2.2";
 
-    /** Latest version of UniMixins */
+    /** Latest version of UniMixins for 1.7.10 */
     public static final String NEWEST_UNIMIXINS = "io.github.legacymoddingmc:unimixins:0.1.18";
 
+    /** Latest version of MixinBooter for 1.12.2 */
+    public static final String NEWEST_MIXINBOOTER = "zone.rong:mixinbooter:9.3";
+
     /** Latest version of Jabel for modern Java support */
     public static final @NotNull String NEWEST_JABEL = "com.github.bsideup.jabel:jabel-javac-plugin:1.0.1";
     /** Latest version of GTNHLib for modern Java support */
@@ -27,6 +30,8 @@ public class UpdateableConstants {
     /** Latest version of GTNHLib for modern Java support */
     // https://github.com/GTNewHorizons/lwjgl3ify/releases
     public static final @NotNull String NEWEST_LWJGL3IFY = "com.github.GTNewHorizons:lwjgl3ify:2.1.4";
+    /** Latest version of lwjgl3ify for modern Java support on 1.12 */
+    public static final @NotNull String NEWEST_LWJGL3IFY_1122 = "io.github.twilightflower:lwjgl3ify:1.0.1";
     /** Latest version of GTNHLib for modern Java support */
     // https://github.com/GTNewHorizons/Hodgepodge/releases
     public static final @NotNull String NEWEST_HODGEPODGE = "com.github.GTNewHorizons:Hodgepodge:2.5.74";

src/main/java/com/gtnewhorizons/gtnhgradle/modules/MixinModule.java

@@ -47,8 +47,18 @@ public void apply(GTNHGradlePlugin.@NotNull GTNHExtension gtnh, @NotNull Project
             }
         }
 
-        final String mixinProviderSpecNoClassifer = UpdateableConstants.NEWEST_UNIMIXINS;
-        final String mixinProviderSpec = mixinProviderSpecNoClassifer + ":dev";
+        String mixinProviderSpecNoClassifer;
+        String mixinProviderSpec;
+        if (gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_7_10) {
+            mixinProviderSpecNoClassifer = UpdateableConstants.NEWEST_UNIMIXINS;
+            mixinProviderSpec = mixinProviderSpecNoClassifer + ":dev";
+        } else if (gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_12_2) {
+            mixinProviderSpecNoClassifer = UpdateableConstants.NEWEST_MIXINBOOTER;
+            mixinProviderSpec = mixinProviderSpecNoClassifer;
+        } else {
+            throw new IllegalArgumentException("Unsupported Minecraft Version: " + gtnh.configuration.minecraftVersion);
+        }
+
         project.getExtensions()
             .getExtraProperties()
             .set("mixinProviderSpec", mixinProviderSpec);

src/main/java/com/gtnewhorizons/gtnhgradle/modules/ModernJavaModule.java

@@ -100,22 +100,37 @@ public void apply(GTNHGradlePlugin.@NotNull GTNHExtension gtnh, @NotNull Project
         });
         ext.set("java17PatchDependenciesCfg", java17PatchDependenciesCfg);
 
+        String mixinSpec = "";
+        String lwjgl3ifySpec = "";
+
+        if (gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_7_10) {
+            mixinSpec = UpdateableConstants.NEWEST_UNIMIXINS;
+            lwjgl3ifySpec = UpdateableConstants.NEWEST_LWJGL3IFY;
+        } else if (gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_12_2) {
+            mixinSpec = UpdateableConstants.NEWEST_MIXINBOOTER;
+            lwjgl3ifySpec = UpdateableConstants.NEWEST_LWJGL3IFY_1122;
+        } else {
+            throw new IllegalArgumentException("Unsupported Minecraft Version: " + gtnh.configuration.minecraftVersion);
+        }
+
         if (!gtnh.configuration.modId.equals("lwjgl3ify")) {
-            deps.add(java17DependenciesCfg.getName(), UpdateableConstants.NEWEST_LWJGL3IFY);
-            ((ModuleDependency) deps
-                .add(java17PatchDependenciesCfg.getName(), UpdateableConstants.NEWEST_LWJGL3IFY + ":forgePatches"))
-                    .setTransitive(false);
+            deps.add(java17DependenciesCfg.getName(), lwjgl3ifySpec);
+            ((ModuleDependency) deps.add(java17PatchDependenciesCfg.getName(), lwjgl3ifySpec + ":forgePatches"))
+                .setTransitive(false);
         }
-        if (!gtnh.configuration.modId.equals("hodgepodge")) {
+
+        if (!gtnh.configuration.modId.equals("hodgepodge")
+            && gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_7_10) {
             final ModuleDependency hodgepodge = (ModuleDependency) deps
                 .add(java17DependenciesCfg.getName(), UpdateableConstants.NEWEST_HODGEPODGE);
             if (gtnh.configuration.modId.equals("gtnhlib")) {
                 hodgepodge.exclude(ImmutableMap.of("module", "GTNHLib"));
             }
         }
+
         deps.getConstraints()
-            .add(java17DependenciesCfg.getName(), UpdateableConstants.NEWEST_UNIMIXINS)
-            .because("Use latest UniMixins known to GTNHGradle.");
+            .add(java17DependenciesCfg.getName(), mixinSpec)
+            .because("Use latest UniMixins or MixinBooter known to GTNHGradle.");
 
         final List<String> java17JvmArgs = new ArrayList<>(Arrays.asList(JAVA_17_ARGS));
         final List<String> hotswapJvmArgs = new ArrayList<>(Arrays.asList(HOTSWAP_JVM_ARGS));

src/main/java/com/gtnewhorizons/gtnhgradle/modules/ToolchainModule.java

@@ -45,6 +45,8 @@
 
 import javax.inject.Inject;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
@@ -98,6 +100,17 @@ public void apply(GTNHGradlePlugin.@NotNull GTNHExtension gtnh, @NotNull Project
             });
         });
 
+        if (gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_12_2) {
+            repos.maven(mvn -> {
+                mvn.setName("Cleanroom Maven");
+                mvn.setUrl("https://maven.cleanroommc.com");
+            });
+            repos.maven(mvn -> {
+                mvn.setName("GTCEu Maven");
+                mvn.setUrl("https://maven.gtceu.com");
+            });
+        }
+
         // Provide a runtimeOnlyNonPublishable configuration
         final ConfigurationContainer cfg = project.getConfigurations();
         final Configuration runtimeOnlyNonPublishable = cfg.create("runtimeOnlyNonPublishable", c -> {
@@ -224,6 +237,9 @@ public void apply(GTNHGradlePlugin.@NotNull GTNHExtension gtnh, @NotNull Project
         final ModUtils modUtils = project.getExtensions()
             .getByType(ModUtils.class);
 
+        minecraft.getMcVersion()
+            .set(gtnh.configuration.minecraftVersion);
+
         // Tag injection
         if (!gtnh.configuration.replaceGradleTokenInFile.isEmpty()) {
             for (final String f : gtnh.configuration.replaceGradleTokenInFile.split(",")) {
@@ -351,10 +367,14 @@ public void apply(GTNHGradlePlugin.@NotNull GTNHExtension gtnh, @NotNull Project
                 .provider(
                     () -> Objects.requireNonNull(project.getVersion())
                         .toString());
-            props.put("minecraftVersion", minecraft.getMcVersion());
+            props.put(
+                gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_7_10 ? "minecraftVersion" : "mcversion",
+                minecraft.getMcVersion());
             props.put("modId", gtnh.configuration.modId);
             props.put("modName", gtnh.configuration.modName);
-            props.put("modVersion", modVersion);
+            props.put(
+                gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_7_10 ? "modVersion" : "version",
+                modVersion);
         }
 
         tasks.named("processResources", ProcessResources.class)
@@ -385,14 +405,20 @@ public void apply(GTNHGradlePlugin.@NotNull GTNHExtension gtnh, @NotNull Project
                 manifest.attributes(ImmutableMap.of("FMLCorePlugin", props.modGroup + "." + props.coreModClass));
             }
             if (props.usesMixins) {
-                manifest.attributes(
-                    ImmutableMap.of(
-                        "TweakClass",
-                        "org.spongepowered.asm.launch.MixinTweaker",
-                        "MixinConfigs",
-                        "mixins." + props.modId + ".json",
-                        "ForceLoadAsMod",
-                        !props.containsMixinsAndOrCoreModOnly));
+                final Path output = project.file(
+                    "src/" + modUtils.mixinSourceSet.get()
+                        .getName() + "/resources/mixins." + gtnh.configuration.modId + ".json")
+                    .toPath();
+                if (Files.exists(output)) {
+                    manifest.attributes(
+                        ImmutableMap.of(
+                            "TweakClass",
+                            "org.spongepowered.asm.launch.MixinTweaker",
+                            "MixinConfigs",
+                            "mixins." + props.modId + ".json",
+                            "ForceLoadAsMod",
+                            !props.containsMixinsAndOrCoreModOnly));
+                }
             }
         });
         project.getExtensions()

src/main/java/com/gtnewhorizons/gtnhgradle/modules/WellKnownRepositoriesModule.java

@@ -48,5 +48,12 @@ public void apply(GTNHGradlePlugin.@NotNull GTNHExtension gtnh, @NotNull Project
                 ec.filter(f -> { f.includeGroup("maven.modrinth"); });
             });
         }
+
+        if (!excludes.contains("BLAMEJARED") && gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_12_2) {
+            repos.maven(mvn -> {
+                mvn.setName("BlameJared Maven");
+                mvn.setUrl("https://maven.blamejared.com");
+            });
+        }
     }
 }

src/main/java/com/gtnewhorizons/gtnhgradle/tasks/RunHotswappableMinecraftTask.java

@@ -97,6 +97,7 @@ public void setup(Project project, GTNHGradlePlugin.GTNHExtension gtnh) {
             mcpTasks.getTaskPackagePatchedMc(),
             "jar");
         getMainClass().set((side == Distribution.CLIENT) ? "GradleStart" : "GradleStartServer");
+        getMcVersion().set(gtnh.configuration.minecraftVersion);
         getUsername().set(minecraft.getUsername());
         getUserUUID().set(minecraft.getUserUUID());
         if (side == Distribution.DEDICATED_SERVER) {
@@ -108,6 +109,15 @@ public void setup(Project project, GTNHGradlePlugin.GTNHExtension gtnh) {
         systemProperty("gradlestart.bouncerServer", "com.gtnewhorizons.retrofuturabootstrap.Main");
 
         if (gtnh.configuration.usesMixins) {
+            String mixinSpec;
+            if (gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_7_10) {
+                mixinSpec = UpdateableConstants.NEWEST_UNIMIXINS;
+            } else if (gtnh.minecraftVersion == GTNHGradlePlugin.MinecraftVersion.V1_12_2) {
+                mixinSpec = UpdateableConstants.NEWEST_MIXINBOOTER;
+            } else {
+                throw new IllegalArgumentException(
+                    "Unsupported Minecraft Version: " + gtnh.configuration.minecraftVersion);
+            }
             this.getExtraJvmArgs()
                 .addAll(project.provider(() -> {
                     final Configuration mixinCfg = project.getConfigurations()