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-rw-r--r--libraries/logic/launch/steps/LaunchMinecraft.cpp154
1 files changed, 154 insertions, 0 deletions
diff --git a/libraries/logic/launch/steps/LaunchMinecraft.cpp b/libraries/logic/launch/steps/LaunchMinecraft.cpp
new file mode 100644
index 00000000..77a89f17
--- /dev/null
+++ b/libraries/logic/launch/steps/LaunchMinecraft.cpp
@@ -0,0 +1,154 @@
+/* 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());
+
+ 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;
+}