NOISSUE move creation of server resource pack folder to a separate task

5 files changed, 61 insertions, 13 deletions

diff --git a/api/logic/minecraft/MinecraftInstance.cpp b/api/logic/minecraft/MinecraftInstance.cpp
index 8cc4f805..f706c16d 100644
--- a/api/logic/minecraft/MinecraftInstance.cpp
+++ b/api/logic/minecraft/MinecraftInstance.cpp
@@ -1,4 +1,5 @@
 #include "MinecraftInstance.h"
+#include <minecraft/launch/CreateServerResourcePacksFolder.h>
 #include <minecraft/launch/ExtractNatives.h>
 #include <minecraft/launch/PrintInstanceInfo.h>
 #include <settings/Setting.h>
@@ -433,6 +434,12 @@ std::shared_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPtr s
 		process->appendStep(step);
 	}
 
+	// create the server-resource-packs folder (workaround for Minecraft bug MCL-3732)
+	{
+		auto step = std::make_shared<CreateServerResourcePacksFolder>(pptr);
+		process->appendStep(step);
+	}
+
 	// extract native jars if needed
 	auto jars = getNativeJars();
 	if(jars.size())
diff --git a/api/logic/minecraft/launch/CreateServerResourcePacksFolder.cpp b/api/logic/minecraft/launch/CreateServerResourcePacksFolder.cpp
new file mode 100644
index 00000000..9f9041d0
--- /dev/null
+++ b/api/logic/minecraft/launch/CreateServerResourcePacksFolder.cpp
@@ -0,0 +1,19 @@
+#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->minecraftRoot(), "server-resource-packs")))
+	{
+		emit logLine(tr("Couldn't create the 'server-resource-packs' folder"), MessageLevel::Error);
+	}
+	emitSucceeded();
+}
diff --git a/api/logic/minecraft/launch/CreateServerResourcePacksFolder.h b/api/logic/minecraft/launch/CreateServerResourcePacksFolder.h
new file mode 100644
index 00000000..d35ccc69
--- /dev/null
+++ b/api/logic/minecraft/launch/CreateServerResourcePacksFolder.h
@@ -0,0 +1,35 @@
+/* Copyright 2013-2016 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.
+ */
+
+#pragma once
+
+#include <launch/LaunchStep.h>
+#include <launch/LoggedProcess.h>
+#include <minecraft/auth/AuthSession.h>
+
+// HACK: this is a workaround for MCL-3732 - 'server-resource-packs' folder is created.
+class CreateServerResourcePacksFolder: public LaunchStep
+{
+	Q_OBJECT
+public:
+	explicit CreateServerResourcePacksFolder(LaunchTask *parent);
+	virtual void executeTask();
+	virtual bool canAbort() const
+	{
+		return false;
+	}
+};
+
+
diff --git a/api/logic/minecraft/launch/DirectJavaLaunch.cpp b/api/logic/minecraft/launch/DirectJavaLaunch.cpp
index c46cdcd4..1f1fb414 100644
--- a/api/logic/minecraft/launch/DirectJavaLaunch.cpp
+++ b/api/logic/minecraft/launch/DirectJavaLaunch.cpp
@@ -31,12 +31,6 @@ void DirectJavaLaunch::executeTask()
 	std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
 	QStringList args = minecraftInstance->javaArguments();
 
-	// HACK: this is a workaround for MCL-3732 - 'server-resource-packs' is created.
-	if(!FS::ensureFolderPathExists(FS::PathCombine(minecraftInstance->minecraftRoot(), "server-resource-packs")))
-	{
-		emit logLine(tr("Couldn't create the 'server-resource-packs' folder"), MessageLevel::Error);
-	}
-
 	args.append("-Djava.library.path=" + minecraftInstance->getNativePath());
 
 	auto classPathEntries = minecraftInstance->getClassPath();
diff --git a/api/logic/minecraft/launch/LauncherPartLaunch.cpp b/api/logic/minecraft/launch/LauncherPartLaunch.cpp
index 5f233700..bc71fe28 100644
--- a/api/logic/minecraft/launch/LauncherPartLaunch.cpp
+++ b/api/logic/minecraft/launch/LauncherPartLaunch.cpp
@@ -33,13 +33,6 @@ void LauncherPartLaunch::executeTask()
 
 	m_launchScript = minecraftInstance->createLaunchScript(m_session);
 	QStringList args = minecraftInstance->javaArguments();
-
-	// HACK: this is a workaround for MCL-3732 - 'server-resource-packs' is created.
-	if(!FS::ensureFolderPathExists(FS::PathCombine(minecraftInstance->minecraftRoot(), "server-resource-packs")))
-	{
-		emit logLine(tr("Couldn't create the 'server-resource-packs' folder"), MessageLevel::Error);
-	}
-
 	QString allArgs = args.join(", ");
 	emit logLine("Java Arguments:\n[" + m_parent->censorPrivateInfo(allArgs) + "]\n\n", MessageLevel::MultiMC);