Add: remap task after build

Author: xfl03

Locator/build.gradle renamed to 1Locator/build.gradle

@@ -40,14 +40,14 @@ dependencies {
     implementation("org.ow2.asm:asm:9.3")
     implementation("org.ow2.asm:asm-tree:9.3")
     implementation("org.ow2.asm:asm-commons:9.3")
-    implementation "cpw.mods:modlauncher:8.1.3"
+    implementation "cpw.mods:modlauncher:10.0.8"
     implementation "cpw.mods:securejarhandler:2.1.6"
     implementation 'org.jetbrains:annotations:23.1.0'
     implementation "org.apache.logging.log4j:log4j-api:2.19.0"
 }
 
 jar {
-    from('../Locator/build/libs/') {
+    from('../1Locator/build/libs/') {
         include '*.jar'
     }
     from('../build/libs/') {

Locator/src/main/java/me/xfl03/morecrashinfo/fml/JarRemapper.java renamed to 1Locator/src/main/java/me/xfl03/morecrashinfo/fml/JarRemapper.java

@@ -88,7 +88,9 @@ public void initialize(IEnvironment environment) {
         return Collections.singletonList(new CrashReportExtenderTransformer());
     }
 
-    public void beginScanning(IEnvironment environment) {
+    //ModLauncher 8
+    //it will be renamed to beginScanning in Gradle Build
+    public void beginScanningLegacy(IEnvironment environment) {
     }
 
     private Path modPath;

Locator/src/main/java/me/xfl03/morecrashinfo/fml/ModLocator.java renamed to 1Locator/src/main/java/me/xfl03/morecrashinfo/fml/ModLocator.java

@@ -73,8 +73,13 @@ This mod implemented a powerful ASM-based remapping and custom jar detection fea
 
 Please use Java 17+ in development or building environment.
 
+### Loading
+**Build(Gradle `Task`) -> Loader(ModLauncher `ITransformerService`) -> Locator(ForgeSPI `IModLocator`) -> Base(Forge `Mod`)**  
+
+In every `->`(3 times), our mod use ASM to operate bytecode in class file.
+
 ### Build
 ```shell
-./gradlew build
+./gradlew clean build remap
 ```
-Mod file is located at `LocatorLoader/build/libs`.
+Mod file is located at `build/libs/MoreCrashInfo-x.x.x.jar`.

Locator/src/main/java/me/xfl03/morecrashinfo/fml/VersionUtil.java renamed to 1Locator/src/main/java/me/xfl03/morecrashinfo/fml/VersionUtil.java

@@ -2,6 +2,7 @@ plugins {
     id 'eclipse'
     id 'maven-publish'
     id 'net.minecraftforge.gradle' version '5.1.+'
+    id 'morecrashinfo'
 }
 
 version = "2.3.0"

Locator/src/main/resources/META-INF/services/net.minecraftforge.fml.loading.moddiscovery.IModLocator renamed to 1Locator/src/main/resources/META-INF/services/net.minecraftforge.fml.loading.moddiscovery.IModLocator

@@ -0,0 +1,18 @@
+plugins {
+    id 'java'
+}
+
+repositories {
+    mavenCentral()
+}
+
+configurations.configureEach {
+    transitive = false
+}
+
+dependencies {
+    gradleApi()
+    implementation("org.ow2.asm:asm:9.3")
+    implementation("org.ow2.asm:asm-tree:9.3")
+    implementation("org.ow2.asm:asm-commons:9.3")
+}

Locator/src/main/resources/META-INF/services/net.minecraftforge.forgespi.locating.IModLocator renamed to 1Locator/src/main/resources/META-INF/services/net.minecraftforge.forgespi.locating.IModLocator

@@ -0,0 +1,17 @@
+package me.xfl03.morecrashinfo.gradle;
+
+import org.gradle.api.Plugin;
+import org.gradle.api.Project;
+
+public class GradlePlugin implements Plugin<Project> {
+    @Override
+    public void apply(Project project) {
+        //Is not root project
+        if (!project.getRootProject().equals(project)) {
+            return;
+        }
+
+        //Only apply to root project
+        project.getTasks().create("remap", RemapTask.class, task -> task.rootProject = project.getRootProject());
+    }
+}

LocatorLoader/build.gradle renamed to 2Loader/build.gradle

@@ -0,0 +1,69 @@
+package me.xfl03.morecrashinfo.gradle;
+
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassWriter;
+import org.objectweb.asm.commons.ClassRemapper;
+import org.objectweb.asm.commons.Remapper;
+import org.objectweb.asm.commons.SimpleRemapper;
+import org.objectweb.asm.tree.ClassNode;
+
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
+
+public class JarRemapper {
+    private final Remapper remapper;
+
+    public JarRemapper() {
+        Map<String, String> mapping = new HashMap<>();
+        mapping.put("me/xfl03/morecrashinfo/modlauncher/TransformerService.beginScanningLegacy(Lcpw/mods/modlauncher/api/IEnvironment;)V", "beginScanning");
+        remapper = new SimpleRemapper(mapping);
+    }
+
+    public byte[] process(InputStream is) throws Exception {
+        ClassReader cr = new ClassReader(is);
+        ClassNode cn = new ClassNode();
+        ClassRemapper cv = new ClassRemapper(cn, remapper);
+        cr.accept(cv, 0);
+        ClassWriter cw = new ClassWriter(0);
+        cn.accept(cw);
+        System.out.printf("Remapped %s\n", cn.name);
+        return cw.toByteArray();
+    }
+
+    public void processJar(Path inFile, Path outFile) {
+        try (ZipFile zf = new ZipFile(inFile.toFile())) {
+            ZipOutputStream zos = new ZipOutputStream(Files.newOutputStream(outFile));
+            for (Enumeration<? extends ZipEntry> e = zf.entries(); e.hasMoreElements(); ) {
+                ZipEntry ze = e.nextElement();
+                String name = ze.getName();
+                zos.putNextEntry(new ZipEntry(name));
+                InputStream is = zf.getInputStream(ze);
+                if (name.endsWith(".class")) {
+                    //Remap class file
+                    zos.write(process(is));
+                } else {
+                    //Copy other file
+                    byte[] cache = new byte[1024];
+                    int len;
+                    while ((len = is.read(cache)) > 0) {
+                        zos.write(cache, 0, len);
+                    }
+                }
+                zos.closeEntry();
+            }
+            zos.close();
+            System.out.printf("Remapped %s to %s\n", inFile, outFile);
+        } catch (Exception e) {
+            System.err.printf("Error remapping jar %s to %s\n", inFile, outFile);
+            e.printStackTrace();
+        }
+    }
+
+}

LocatorLoader/src/main/java/me/xfl03/morecrashinfo/modlauncher/ClasspathHelper.java renamed to 2Loader/src/main/java/me/xfl03/morecrashinfo/modlauncher/ClasspathHelper.java

@@ -0,0 +1,29 @@
+package me.xfl03.morecrashinfo.gradle;
+
+import org.gradle.api.DefaultTask;
+import org.gradle.api.Project;
+import org.gradle.api.tasks.TaskAction;
+
+import java.io.File;
+import java.util.Arrays;
+
+public class RemapTask extends DefaultTask {
+    public Project rootProject;
+    public JarRemapper remapper = new JarRemapper();
+
+    @TaskAction
+    public void run() {
+        File loaderLibs = rootProject.file("2Loader/build/libs");
+        File[] files = loaderLibs.listFiles();
+        if (files == null) {
+            System.err.println("Cannot find build libs.");
+            return;
+        }
+        Arrays.stream(files).forEach(this::remap);
+    }
+
+    private void remap(File inFile) {
+        File rootLibs = rootProject.file("build/libs");
+        remapper.processJar(inFile.toPath(), rootLibs.toPath().resolve(inFile.getName()));
+    }
+}

LocatorLoader/src/main/java/me/xfl03/morecrashinfo/modlauncher/CrashReportExtenderTransformer.java renamed to 2Loader/src/main/java/me/xfl03/morecrashinfo/modlauncher/CrashReportExtenderTransformer.java

@@ -0,0 +1 @@
+implementation-class=me.xfl03.morecrashinfo.gradle.GradlePlugin

LocatorLoader/src/main/java/me/xfl03/morecrashinfo/modlauncher/JarRemapper.java renamed to 2Loader/src/main/java/me/xfl03/morecrashinfo/modlauncher/JarRemapper.java

@@ -5,5 +5,5 @@ pluginManagement {
     }
 }
 //include "CrashMaker"
-include "Locator"
-include "LocatorLoader"
+include "1Locator"
+include "2Loader"