GH-469 Implement support for importing and searching for Technic Platform and Solder modpacks

This does not support any custom modpack.jar for 1.6 or newer, it simply uses standard Forge then.
Supports Forge and Fabric, and JAR mods for 1.5 and older.

1 files changed, 37 insertions, 3 deletions

diff --git a/api/logic/InstanceImportTask.cpp b/api/logic/InstanceImportTask.cpp
index e2187416..772149c4 100644
--- a/api/logic/InstanceImportTask.cpp
+++ b/api/logic/InstanceImportTask.cpp
@@ -1,3 +1,18 @@
+/* Copyright 2013-2020 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "InstanceImportTask.h"
 #include "BaseInstance.h"
 #include "FileSystem.h"
@@ -15,6 +30,8 @@
 #include "modplatform/flame/FileResolvingTask.h"
 #include "modplatform/flame/PackManifest.h"
 #include "Json.h"
+#include <quazipdir.h>
+#include "modplatform/technic/TechnicPackProcessor.h"
 
 InstanceImportTask::InstanceImportTask(const QUrl sourceUrl)
 {
@@ -23,8 +40,6 @@ InstanceImportTask::InstanceImportTask(const QUrl sourceUrl)
 
 void InstanceImportTask::executeTask()
 {
-    InstancePtr newInstance;
-
     if (m_sourceUrl.isLocalFile())
     {
         m_archivePath = m_sourceUrl.toLocalFile();
@@ -82,6 +97,7 @@ void InstanceImportTask::processZipPack()
 
     QStringList blacklist = {"instance.cfg", "manifest.json"};
     QString mmcFound = MMCZip::findFolderOfFileInZip(m_packZip.get(), "instance.cfg");
+    bool technicFound = QuaZipDir(m_packZip.get()).exists("/bin/modpack.jar") || QuaZipDir(m_packZip.get()).exists("/bin/version.json");
     QString flameFound = MMCZip::findFolderOfFileInZip(m_packZip.get(), "manifest.json");
     QString root;
     if(!mmcFound.isNull())
@@ -91,6 +107,14 @@ void InstanceImportTask::processZipPack()
         root = mmcFound;
         m_modpackType = ModpackType::MultiMC;
     }
+    else if (technicFound)
+    {
+        // process as Technic pack
+        qDebug() << "Technic:" << technicFound;
+        extractDir.mkpath(".minecraft");
+        extractDir.cd(".minecraft");
+        m_modpackType = ModpackType::Technic;
+    }
     else if(!flameFound.isNull())
     {
         // process as Flame pack
@@ -98,7 +122,6 @@ void InstanceImportTask::processZipPack()
         root = flameFound;
         m_modpackType = ModpackType::Flame;
     }
-
     if(m_modpackType == ModpackType::Unknown)
     {
         emitFailed(tr("Archive does not contain a recognized modpack type."));
@@ -161,6 +184,9 @@ void InstanceImportTask::extractFinished()
         case ModpackType::MultiMC:
             processMultiMC();
             return;
+        case ModpackType::Technic:
+            processTechnic();
+            return;
         case ModpackType::Unknown:
             emitFailed(tr("Archive does not contain a recognized modpack type."));
             return;
@@ -371,6 +397,14 @@ void InstanceImportTask::processFlame()
     m_modIdResolver->start();
 }
 
+void InstanceImportTask::processTechnic()
+{
+    shared_qobject_ptr<Technic::TechnicPackProcessor> packProcessor = new Technic::TechnicPackProcessor();
+    connect(packProcessor.get(), &Technic::TechnicPackProcessor::succeeded, this, &InstanceImportTask::emitSucceeded);
+    connect(packProcessor.get(), &Technic::TechnicPackProcessor::failed, this, &InstanceImportTask::emitFailed);
+    packProcessor->run(m_globalSettings, m_instName, m_instIcon, m_stagingPath);
+}
+
 void InstanceImportTask::processMultiMC()
 {
     // FIXME: copy from FolderInstanceProvider!!! FIX IT!!!