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-rw-r--r--data/minecraftprocess.cpp246
-rw-r--r--data/minecraftprocess.h98
2 files changed, 344 insertions, 0 deletions
diff --git a/data/minecraftprocess.cpp b/data/minecraftprocess.cpp
new file mode 100644
index 00000000..d08b767c
--- /dev/null
+++ b/data/minecraftprocess.cpp
@@ -0,0 +1,246 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
+ *
+ * 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 "minecraftprocess.h"
+
+#include <QDataStream>
+#include <QFile>
+#include <QDir>
+#include <QImage>
+#include <QProcessEnvironment>
+
+#include "instance.h"
+
+#include "osutils.h"
+#include "pathutils.h"
+
+#define LAUNCHER_FILE "MultiMCLauncher.jar"
+#define IBUS "@im=ibus"
+
+// commandline splitter
+QStringList MinecraftProcess::splitArgs(QString args)
+{
+ QStringList argv;
+ QString current;
+ bool escape = false;
+ QChar inquotes;
+ for (int i=0; i<args.length(); i++)
+ {
+ QChar cchar = args.at(i);
+
+ // \ escaped
+ if (escape) {
+ current += cchar;
+ escape = false;
+ // in "quotes"
+ } else if (!inquotes.isNull()) {
+ if (cchar == 0x5C)
+ escape = true;
+ else if (cchar == inquotes)
+ inquotes = 0;
+ else
+ current += cchar;
+ // otherwise
+ } else {
+ if (cchar == 0x20) {
+ if (!current.isEmpty()) {
+ argv << current;
+ current.clear();
+ }
+ } else if (cchar == 0x22 || cchar == 0x27)
+ inquotes = cchar;
+ else
+ current += cchar;
+ }
+ }
+ if (!current.isEmpty())
+ argv << current;
+ return argv;
+}
+
+// prepare tools
+inline void MinecraftProcess::extractIcon(InstancePtr inst, QString destination)
+{
+ QImage(":/icons/instances/" + inst->iconKey()).save(destination);
+}
+
+inline void MinecraftProcess::extractLauncher(QString destination)
+{
+ QFile(":/launcher/launcher.jar").copy(destination);
+}
+
+void MinecraftProcess::prepare(InstancePtr inst)
+{
+ extractLauncher(PathCombine(inst->minecraftDir(), LAUNCHER_FILE));
+ extractIcon(inst, PathCombine(inst->minecraftDir(), "icon.png"));
+}
+
+// constructor
+MinecraftProcess::MinecraftProcess(InstancePtr inst, QString user, QString session, ConsoleWindow *console) :
+ m_instance(inst), m_user(user), m_session(session), m_console(console)
+{
+ connect(this, SIGNAL(finished(int, QProcess::ExitStatus)), SLOT(finish(int, QProcess::ExitStatus)));
+
+ // prepare the process environment
+ QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+
+#ifdef LINUX
+ // Strip IBus
+ if (env.value("XMODIFIERS").contains(IBUS))
+ env.insert("XMODIFIERS", env.value("XMODIFIERS").replace(IBUS, ""));
+#endif
+
+ // export some infos
+ env.insert("INST_NAME", inst->name());
+ env.insert("INST_ID", inst->id());
+ env.insert("INST_DIR", QDir(inst->rootDir()).absolutePath());
+
+ this->setProcessEnvironment(env);
+ m_prepostlaunchprocess.setProcessEnvironment(env);
+
+ // set the cwd
+ QDir mcDir(inst->minecraftDir());
+ this->setWorkingDirectory(mcDir.absolutePath());
+ m_prepostlaunchprocess.setWorkingDirectory(mcDir.absolutePath());
+
+ // std channels
+ connect(this, SIGNAL(readyReadStandardError()), SLOT(on_stdErr()));
+ connect(this, SIGNAL(readyReadStandardOutput()), SLOT(on_stdOut()));
+}
+
+// console window
+void MinecraftProcess::on_stdErr()
+{
+ if (m_console != nullptr)
+ m_console->write(readAllStandardError(), ConsoleWindow::ERROR);
+}
+
+void MinecraftProcess::on_stdOut()
+{
+ if (m_console != nullptr)
+ m_console->write(readAllStandardOutput(), ConsoleWindow::DEFAULT);
+}
+
+void MinecraftProcess::log(QString text)
+{
+ if (m_console != nullptr)
+ m_console->write(text);
+ else
+ qDebug(qPrintable(text));
+}
+
+// exit handler
+void MinecraftProcess::finish(int code, ExitStatus status)
+{
+ if (status != NormalExit)
+ {
+ //TODO: error handling
+ }
+
+ log("Minecraft exited.");
+
+ m_prepostlaunchprocess.processEnvironment().insert("INST_EXITCODE", QString(code));
+
+ // run post-exit
+ if (!m_instance->getPostExitCommand().isEmpty())
+ {
+ m_prepostlaunchprocess.start(m_instance->getPostExitCommand());
+ m_prepostlaunchprocess.waitForFinished();
+ if (m_prepostlaunchprocess.exitStatus() != NormalExit)
+ {
+ //TODO: error handling
+ }
+ }
+
+ if (m_console != nullptr)
+ m_console->setMayClose(true);
+
+ emit ended();
+}
+
+void MinecraftProcess::launch()
+{
+ if (!m_instance->getPreLaunchCommand().isEmpty())
+ {
+ m_prepostlaunchprocess.start(m_instance->getPreLaunchCommand());
+ m_prepostlaunchprocess.waitForFinished();
+ if (m_prepostlaunchprocess.exitStatus() != NormalExit)
+ {
+ //TODO: error handling
+ return;
+ }
+ }
+
+ m_instance->setLastLaunch();
+
+ prepare(m_instance);
+
+ genArgs();
+
+ log(QString("Minecraft folder is: '%1'").arg(workingDirectory()));
+ log(QString("Instance launched with arguments: '%1'").arg(m_arguments.join("' '")));
+
+ start(m_instance->getJavaPath(), m_arguments);
+ if (!waitForStarted())
+ {
+ //TODO: error handling
+ }
+
+ if(m_console != nullptr)
+ m_console->setMayClose(false);
+}
+
+void MinecraftProcess::genArgs()
+{
+ // start fresh
+ m_arguments.clear();
+
+ // window size
+ QString windowSize;
+ if (m_instance->getLaunchMaximized())
+ windowSize = "max";
+ else
+ windowSize = QString("%1x%2").arg(m_instance->getMinecraftWinWidth()).arg(m_instance->getMinecraftWinHeight());
+
+ // window title
+ QString windowTitle;
+ windowTitle.append("MultiMC: ").append(m_instance->name());
+
+ // Java arguments
+ m_arguments.append(splitArgs(m_instance->getJvmArgs()));
+
+#ifdef OSX
+ // OSX dock icon and name
+ m_arguments << "-Xdock:icon=icon.png";
+ m_arguments << QString("-Xdock:name=\"%1\"").arg(windowTitle);
+#endif
+
+ // lwjgl
+ QString lwjgl = m_instance->lwjglVersion();
+ if (lwjgl != "Mojang")
+ lwjgl = QDir(settings->getLWJGLDir() + "/" + lwjgl).absolutePath();
+
+ // launcher arguments
+ m_arguments << QString("-Xms%1m").arg(m_instance->getMinMemAlloc());
+ m_arguments << QString("-Xmx%1m").arg(m_instance->getMaxMemAlloc());
+ m_arguments << "-jar" << LAUNCHER_FILE;
+ m_arguments << m_user;
+ m_arguments << m_session;
+ m_arguments << windowTitle;
+ m_arguments << windowSize;
+ m_arguments << lwjgl;
+}
diff --git a/data/minecraftprocess.h b/data/minecraftprocess.h
new file mode 100644
index 00000000..bede9486
--- /dev/null
+++ b/data/minecraftprocess.h
@@ -0,0 +1,98 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Authors: Orochimarufan <orochimarufan.x3@gmail.com>
+ *
+ * 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.
+ */
+#ifndef MINECRAFTPROCESS_H
+#define MINECRAFTPROCESS_H
+
+#include <QProcess>
+
+#include "gui/consolewindow.h"
+
+#include "instance.h"
+
+/**
+ * @file data/minecraftprocess.h
+ * @brief The MinecraftProcess class
+ */
+class MinecraftProcess : public QProcess
+{
+ Q_OBJECT
+public:
+ /**
+ * @brief MinecraftProcess constructor
+ * @param inst the Instance pointer to launch
+ * @param user the minecraft username
+ * @param session the minecraft session id
+ * @param console the instance console window
+ */
+ MinecraftProcess(InstancePtr inst, QString user, QString session, ConsoleWindow *console);
+
+ /**
+ * @brief launch minecraft
+ */
+ void launch();
+
+ /**
+ * @brief extract the instance icon
+ * @param inst the instance
+ * @param destination the destination path
+ */
+ static inline void extractIcon(InstancePtr inst, QString destination);
+
+ /**
+ * @brief extract the MultiMC launcher.jar
+ * @param destination the destination path
+ */
+ static inline void extractLauncher(QString destination);
+
+ /**
+ * @brief prepare the launch by extracting icon and launcher
+ * @param inst the instance
+ */
+ static void prepare(InstancePtr inst);
+
+ /**
+ * @brief split a string into argv items like a shell would do
+ * @param args the argument string
+ * @return a QStringList containing all arguments
+ */
+ static QStringList splitArgs(QString args);
+
+signals:
+ /**
+ * @brief emitted when mc has finished and the PostLaunchCommand was run
+ */
+ void ended();
+
+protected:
+ ConsoleWindow *m_console;
+ InstancePtr m_instance;
+ QString m_user;
+ QString m_session;
+ QProcess m_prepostlaunchprocess;
+ QStringList m_arguments;
+
+ void genArgs();
+ void log(QString text);
+
+protected slots:
+ void finish(int, QProcess::ExitStatus status);
+ void on_stdErr();
+ void on_stdOut();
+
+};
+
+#endif // MINECRAFTPROCESS_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 09:01:56 +0000