Button to add agent

Signed-off-by: TheKodeToad <TheKodeToad@proton.me>

launcher/minecraft/Agent.h

@@ -10,7 +10,7 @@ typedef std::shared_ptr<Agent> AgentPtr;
 
 class Agent {
 public:
-    Agent(LibraryPtr library, QString &argument)
+    Agent(LibraryPtr library, const QString &argument)
     {
         m_library = library;
         m_argument = argument;

launcher/minecraft/PackProfile.cpp

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2022 TheKodeToad <TheKodeToad@proton.me>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -47,7 +48,6 @@
 #include "Exception.h"
 #include "minecraft/OneSixVersionFormat.h"
 #include "FileSystem.h"
-#include "meta/Index.h"
 #include "minecraft/MinecraftInstance.h"
 #include "Json.h"
 
@@ -55,7 +55,6 @@
 #include "PackProfile_p.h"
 #include "ComponentUpdateTask.h"
 
-#include "Application.h"
 #include "modplatform/ModAPI.h"
 
 static const QMap<QString, ModAPI::ModLoaderType> modloaderMapping{
@@ -738,6 +737,11 @@ void PackProfile::installCustomJar(QString selectedFile)
     installCustomJar_internal(selectedFile);
 }
 
+void PackProfile::installAgents(QStringList selectedFiles)
+{
+    installAgents_internal(selectedFiles);
+}
+
 bool PackProfile::installEmpty(const QString& uid, const QString& name)
 {
     QString patchDir = FS::PathCombine(d->m_instance->instanceRoot(), "patches");
@@ -832,8 +836,7 @@ bool PackProfile::installJarMods_internal(QStringList filepaths)
     for(auto filepath:filepaths)
     {
         QFileInfo sourceInfo(filepath);
-        auto uuid = QUuid::createUuid();
-        QString id = uuid.toString().remove('{').remove('}');
+        QString id = QUuid::createUuid().toString(QUuid::WithoutBraces);
         QString target_filename = id + ".jar";
         QString target_id = "org.multimc.jarmod." + id;
         QString target_name = sourceInfo.completeBaseName() + " (jar mod)";
@@ -939,6 +942,65 @@ bool PackProfile::installCustomJar_internal(QString filepath)
     return true;
 }
 
+bool PackProfile::installAgents_internal(QStringList filepaths)
+{
+    // FIXME code duplication
+    const QString patchDir = FS::PathCombine(d->m_instance->instanceRoot(), "patches");
+    if (!FS::ensureFolderPathExists(patchDir))
+        return false;
+
+    const QString libDir = d->m_instance->getLocalLibraryPath();
+    if (!FS::ensureFolderPathExists(libDir))
+        return false;
+
+    for (const QString& source : filepaths) {
+        const QFileInfo sourceInfo(source);
+        const QString id = QUuid::createUuid().toString(QUuid::WithoutBraces);
+        const QString targetBaseName = id + ".jar";
+        const QString targetId = "org.prismlauncher.agent." + id;
+        const QString targetName = sourceInfo.completeBaseName() + " (agent)";
+        const QString target = FS::PathCombine(d->m_instance->getLocalLibraryPath(), targetBaseName);
+
+        const QFileInfo targetInfo(target);
+        if (targetInfo.exists())
+            return false;
+
+        if (!QFile::copy(source, target))
+            return false;
+
+        auto versionFile = std::make_shared<VersionFile>();
+
+        auto agent = std::make_shared<Library>();
+
+        agent->setRawName("org.prismlauncher.agents:" + id + ":1");
+        agent->setFilename(targetBaseName);
+        agent->setDisplayName(sourceInfo.completeBaseName());
+        agent->setHint("local");
+
+        versionFile->agents.append(std::make_shared<Agent>(agent, QString()));
+
+        versionFile->name = targetName;
+        versionFile->uid = targetId;
+
+        QFile patchFile(FS::PathCombine(patchDir, targetId + ".json"));
+
+        if (!patchFile.open(QFile::WriteOnly)) {
+            qCritical() << "Error opening" << patchFile.fileName() << "for reading:" << patchFile.errorString();
+            return false;
+        }
+
+        patchFile.write(OneSixVersionFormat::versionFileToJson(versionFile).toJson());
+        patchFile.close();
+
+        appendComponent(new Component(this, versionFile->uid, versionFile));
+    }
+
+    scheduleSave();
+    invalidateLaunchProfile();
+
+    return true;
+}
+
 std::shared_ptr<LaunchProfile> PackProfile::getProfile() const
 {
     if(!d->m_profile)

launcher/minecraft/PackProfile.h

@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-3.0-only
 /*
- *  PolyMC - Minecraft Launcher
+ *  Prism Launcher - Minecraft Launcher
  *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2022 TheKodeToad <TheKodeToad@proton.me>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -85,6 +86,9 @@ public:
     /// install a jar/zip as a replacement for the main jar
     void installCustomJar(QString selectedFile);
 
+    /// install Java agent files
+    void installAgents(QStringList selectedFiles);
+
     enum MoveDirection { MoveUp, MoveDown };
     /// move component file # up or down the list
     void move(const int index, const MoveDirection direction);
@@ -167,6 +171,7 @@ private:
     bool load();
     bool installJarMods_internal(QStringList filepaths);
     bool installCustomJar_internal(QString filepath);
+    bool installAgents_internal(QStringList filepaths);
     bool removeComponent_internal(ComponentPtr patch);
 
 private: /* data */