GH-3602 Create .minecraft before running pre-launch commands

api/logic/CMakeLists.txt

@@ -226,8 +226,8 @@ set(MINECRAFT_SOURCES
 
     minecraft/launch/ClaimAccount.cpp
     minecraft/launch/ClaimAccount.h
-    minecraft/launch/CreateServerResourcePacksFolder.cpp
+    minecraft/launch/CreateGameFolders.cpp
-    minecraft/launch/CreateServerResourcePacksFolder.h
+    minecraft/launch/CreateGameFolders.h
     minecraft/launch/ModMinecraftJar.cpp
     minecraft/launch/ModMinecraftJar.h
     minecraft/launch/DirectJavaLaunch.cpp

api/logic/minecraft/MinecraftInstance.cpp

@@ -1,5 +1,5 @@
 #include "MinecraftInstance.h"
-#include <minecraft/launch/CreateServerResourcePacksFolder.h>
+#include <minecraft/launch/CreateGameFolders.h>
 #include <minecraft/launch/ExtractNatives.h>
 #include <minecraft/launch/PrintInstanceInfo.h>
 #include <settings/Setting.h>
@@ -38,6 +38,7 @@
 #include "MinecraftUpdate.h"
 #include "MinecraftLoadAndCheck.h"
 #include <minecraft/gameoptions/GameOptions.h>
+#include <minecraft/update/FoldersTask.h>
 
 #define IBUS "@im=ibus"
 
@@ -810,6 +811,11 @@ shared_qobject_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPt
         return process;
     }
 
+    // create the .minecraft folder and server-resource-packs (workaround for Minecraft bug MCL-3732)
+    {
+        process->appendStep(new CreateGameFolders(pptr));
+    }
+
     // run pre-launch command if that's needed
     if(getPreLaunchCommand().size())
     {
@@ -834,7 +840,7 @@ shared_qobject_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPt
         process->appendStep(new ModMinecraftJar(pptr));
     }
 
-    // if there are any jar mods
+    // Scan mods folders for mods
     {
         process->appendStep(new ScanModFolders(pptr));
     }
@@ -844,11 +850,6 @@ shared_qobject_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPt
         process->appendStep(new PrintInstanceInfo(pptr, session));
     }
 
-    // create the server-resource-packs folder (workaround for Minecraft bug MCL-3732)
-    {
-        process->appendStep(new CreateServerResourcePacksFolder(pptr));
-    }
-
     // extract native jars if needed
     {
         process->appendStep(new ExtractNatives(pptr));

api/logic/minecraft/launch/CreateGameFolders.cpp

@@ -0,0 +1,28 @@
+#include "CreateGameFolders.h"
+#include "minecraft/MinecraftInstance.h"
+#include "launch/LaunchTask.h"
+#include "FileSystem.h"
+
+CreateGameFolders::CreateGameFolders(LaunchTask* parent): LaunchStep(parent)
+{
+}
+
+void CreateGameFolders::executeTask()
+{
+    auto instance = m_parent->instance();
+    std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
+
+    if(!FS::ensureFolderPathExists(minecraftInstance->gameRoot()))
+    {
+        emit logLine("Couldn't create the main game folder", MessageLevel::Error);
+        emitFailed("Couldn't create the main game folder");
+        return;
+    }
+
+    // HACK: this is a workaround for MCL-3732 - 'server-resource-packs' folder is created.
+    if(!FS::ensureFolderPathExists(FS::PathCombine(minecraftInstance->gameRoot(), "server-resource-packs")))
+    {
+        emit logLine("Couldn't create the 'server-resource-packs' folder", MessageLevel::Error);
+    }
+    emitSucceeded();
+}

api/logic/minecraft/launch/CreateGameFolders.h

@@ -19,13 +19,13 @@
 #include <LoggedProcess.h>
 #include <minecraft/auth/AuthSession.h>
 
-// HACK: this is a workaround for MCL-3732 - 'server-resource-packs' folder is created.
+// Create the main .minecraft for the instance and any other necessary folders
-class CreateServerResourcePacksFolder: public LaunchStep
+class CreateGameFolders: public LaunchStep
 {
     Q_OBJECT
 public:
-    explicit CreateServerResourcePacksFolder(LaunchTask *parent);
+    explicit CreateGameFolders(LaunchTask *parent);
-    virtual ~CreateServerResourcePacksFolder() {};
+    virtual ~CreateGameFolders() {};
 
     virtual void executeTask();
     virtual bool canAbort() const

api/logic/minecraft/launch/CreateServerResourcePacksFolder.cpp

@@ -1,19 +0,0 @@
-#include "CreateServerResourcePacksFolder.h"
-#include "minecraft/MinecraftInstance.h"
-#include "launch/LaunchTask.h"
-#include "FileSystem.h"
-
-CreateServerResourcePacksFolder::CreateServerResourcePacksFolder(LaunchTask* parent): LaunchStep(parent)
-{
-}
-
-void CreateServerResourcePacksFolder::executeTask()
-{
-    auto instance = m_parent->instance();
-    std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
-    if(!FS::ensureFolderPathExists(FS::PathCombine(minecraftInstance->gameRoot(), "server-resource-packs")))
-    {
-        emit logLine(tr("Couldn't create the 'server-resource-packs' folder"), MessageLevel::Error);
-    }
-    emitSucceeded();
-}