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/* Copyright 2013-2015 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 "LaunchMinecraft.h"
#include <launch/LaunchTask.h>
#include <minecraft/MinecraftInstance.h>
#include <FileSystem.h>
#include <QStandardPaths>
LaunchMinecraft::LaunchMinecraft(LaunchTask *parent) : LaunchStep(parent)
{
connect(&m_process, &LoggedProcess::log, this, &LaunchMinecraft::logLines);
connect(&m_process, &LoggedProcess::stateChanged, this, &LaunchMinecraft::on_state);
}
void LaunchMinecraft::executeTask()
{
auto instance = m_parent->instance();
std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
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);
auto javaPath = FS::ResolveExecutable(instance->settings()->get("JavaPath").toString());
m_process.setProcessEnvironment(instance->createEnvironment());
QString wrapperCommand = instance->getWrapperCommand();
if(!wrapperCommand.isEmpty())
{
auto realWrapperCommand = QStandardPaths::findExecutable(wrapperCommand);
if (realWrapperCommand.isEmpty())
{
QString reason = tr("The wrapper command \"%1\" couldn't be found.").arg(wrapperCommand);
emit logLine(reason, MessageLevel::Fatal);
emitFailed(reason);
return;
}
emit logLine("Wrapper command is:\n" + wrapperCommand + "\n\n", MessageLevel::MultiMC);
args.prepend(javaPath);
m_process.start(wrapperCommand, args);
}
else
{
m_process.start(javaPath, args);
}
}
void LaunchMinecraft::on_state(LoggedProcess::State state)
{
switch(state)
{
case LoggedProcess::FailedToStart:
{
//: Error message displayed if instace can't start
QString reason = tr("Could not launch minecraft!");
emit logLine(reason, MessageLevel::Fatal);
emitFailed(reason);
return;
}
case LoggedProcess::Aborted:
case LoggedProcess::Crashed:
{
m_parent->setPid(-1);
emitFailed("Game crashed.");
return;
}
case LoggedProcess::Finished:
{
m_parent->setPid(-1);
// if the exit code wasn't 0, report this as a crash
auto exitCode = m_process.exitCode();
if(exitCode != 0)
{
emitFailed("Game crashed.");
return;
}
//FIXME: make this work again
// m_postlaunchprocess.processEnvironment().insert("INST_EXITCODE", QString(exitCode));
// run post-exit
emitSucceeded();
break;
}
case LoggedProcess::Running:
emit logLine(tr("Minecraft process ID: %1\n\n").arg(m_process.processId()), MessageLevel::MultiMC);
m_parent->setPid(m_process.processId());
m_parent->instance()->setLastLaunch();
// send the launch script to the launcher part
m_process.write(m_launchScript.toUtf8());
qDebug() << m_launchScript;
mayProceed = true;
emit readyForLaunch();
break;
default:
break;
}
}
void LaunchMinecraft::setWorkingDirectory(const QString &wd)
{
m_process.setWorkingDirectory(wd);
}
void LaunchMinecraft::proceed()
{
if(mayProceed)
{
QString launchString("launch\n");
m_process.write(launchString.toUtf8());
mayProceed = false;
}
}
bool LaunchMinecraft::abort()
{
if(mayProceed)
{
mayProceed = false;
QString launchString("abort\n");
m_process.write(launchString.toUtf8());
}
else
{
auto state = m_process.state();
if (state == LoggedProcess::Running || state == LoggedProcess::Starting)
{
m_process.kill();
}
}
return true;
}
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