Add DirectX version option

src/settingswindow.cpp

@@ -9,6 +9,7 @@
 #include <QGroupBox>
 #include <QMessageBox>
 #include <QProcess>
+#include <QComboBox>
 
 #include "xivlauncher.h"
 
@@ -19,6 +20,17 @@ SettingsWindow::SettingsWindow(LauncherWindow& window, QWidget* parent) : window
     auto layout = new QFormLayout(this);
     setLayout(layout);
 
+    auto directXCombo = new QComboBox();
+    directXCombo->setCurrentIndex(window.settings.value("directx", 0).toInt());
+    directXCombo->addItem("DirectX 11");
+    directXCombo->addItem("DirectX 9");
+    layout->addRow("DirectX Version", directXCombo);
+
+    connect(directXCombo, &QComboBox::currentIndexChanged, [=](int index) {
+        this->window.settings.setValue("directx", directXCombo->currentIndex());
+        this->window.useDX9 = directXCombo->currentIndex() == 1;
+    });
+
 #if defined(Q_OS_LINUX)
     auto wineBox = new QGroupBox("Wine Options");
     auto wineBoxLayout = new QFormLayout();

src/xivlauncher.cpp

@@ -43,7 +43,12 @@ void LauncherWindow::launchGame(const LoginAuth auth) {
     QList<QString> arguments;
 
     // now for the actual game...
-    arguments.push_back(gamePath + "\\game\\ffxiv_dx11.exe");
+    if(useDX9) {
+        arguments.push_back(gamePath + "\\game\\ffxiv.exe");
+    } else {
+        arguments.push_back(gamePath + "\\game\\ffxiv_dx11.exe");
+    }
+
     arguments.push_back("DEV.DataPathType=1");
     arguments.push_back("DEV.UseSqPack=1");
 

src/xivlauncher.h

@@ -36,6 +36,7 @@ public:
     QString bootVersion, gameVersion;
 
     bool useEsync, useGamescope, useGamemode;
+    bool useDX9 = false;
 
     void launchGame(const LoginAuth auth);
     void launchExecutable(const QStringList args);