From e2fd299fc588962b19b91d3e11f7bf274080de84 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Wed, 30 Sep 2015 00:11:00 +0200
Subject: GH-253 implement launching instances from command line

---
 application/MultiMC.cpp |  6 ++++++
 application/MultiMC.h   |  1 +
 application/main.cpp    | 30 +++++++++++++++++++++++++++---
 3 files changed, 34 insertions(+), 3 deletions(-)

(limited to 'application')

diff --git a/application/MultiMC.cpp b/application/MultiMC.cpp
index 86356cd1..3b2003e4 100644
--- a/application/MultiMC.cpp
+++ b/application/MultiMC.cpp
@@ -84,6 +84,10 @@ MultiMC::MultiMC(int &argc, char **argv, bool test_mode) : QApplication(argc, ar
 		parser.addShortOpt("dir", 'd');
 		parser.addDocumentation("dir", "use the supplied directory as MultiMC root instead of "
 									   "the binary location (use '.' for current)");
+		// --launch
+		parser.addOption("launch");
+		parser.addShortOpt("launch", 'l');
+		parser.addDocumentation("launch", "launch the specified instance (by instance ID)");
 
 		// parse the arguments
 		try
@@ -135,6 +139,8 @@ MultiMC::MultiMC(int &argc, char **argv, bool test_mode) : QApplication(argc, ar
 		adjustedBy += "Fallback to binary path " + dataPath;
 	}
 
+	launchId = args["launch"].toString();
+
 	if (!ensureFolderPathExists(dataPath) || !QDir::setCurrent(dataPath))
 	{
 		// BAD STUFF. WHAT DO?
diff --git a/application/MultiMC.h b/application/MultiMC.h
index c1df1bb7..f32772ef 100644
--- a/application/MultiMC.h
+++ b/application/MultiMC.h
@@ -180,5 +180,6 @@ private:
 
 	Status m_status = MultiMC::Failed;
 public:
+	QString launchId;
 	std::shared_ptr<QFile> logFile;
 };
diff --git a/application/main.cpp b/application/main.cpp
index 12c97f09..c134facb 100644
--- a/application/main.cpp
+++ b/application/main.cpp
@@ -1,10 +1,11 @@
 #include "MultiMC.h"
 #include "MainWindow.h"
+#include "LaunchInteraction.h"
+#include <InstanceList.h>
+#include <QDebug>
 
-int main_gui(MultiMC &app)
+int launchMainWindow(MultiMC &app)
 {
-	// show main window
-	app.setIconTheme(MMC->settings()->get("IconTheme").toString());
 	MainWindow mainWin;
 	mainWin.restoreState(QByteArray::fromBase64(MMC->settings()->get("MainWindowState").toByteArray()));
 	mainWin.restoreGeometry(QByteArray::fromBase64(MMC->settings()->get("MainWindowGeometry").toByteArray()));
@@ -13,6 +14,29 @@ int main_gui(MultiMC &app)
 	mainWin.checkInstancePathForProblems();
 	return app.exec();
 }
+
+int launchInstance(MultiMC &app, InstancePtr inst)
+{
+	app.minecraftlist();
+	LaunchController launchController;
+	launchController.setInstance(inst);
+	launchController.setOnline(true);
+	launchController.launch();
+	return app.exec();
+}
+
+int main_gui(MultiMC &app)
+{
+	app.setIconTheme(MMC->settings()->get("IconTheme").toString());
+	// show main window
+	auto inst = app.instances()->getInstanceById(app.launchId);
+	if(inst)
+	{
+		return launchInstance(app, inst);
+	}
+	return launchMainWindow(app);
+}
+
 int main(int argc, char *argv[])
 {
 	// initialize Qt
-- 
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