Next step is actually using the user config for input

src/frontend/ImGuiImpl/Combobox.hpp

@@ -71,6 +71,7 @@ struct Combobox {
     bool isEnabled() { return enabled; }
 
     const std::string& getCurrentlySelected() { return items[current_index].getLabel(); }
+    const int& getCurrentlySelectedIndex() { return current_index; }
 
     void setCurrentIndex(int v) { current_index = v; }
     int getCurrentIndex() { return current_index; }

src/frontend/InputSettings.cpp

@@ -29,8 +29,9 @@ void InputSettings::UnregisterEventWatchers() {
 bool InputSettings::render() {
   if(devices.render()) {
     auto currentlySelectedDevice = devices.getCurrentlySelected();
+    currentlySelectedDeviceIndex = devices.getCurrentlySelectedIndex();
     JSONSetField<std::string>(settings, "input", "Device", currentlySelectedDevice);
-    selectedDeviceIsNotKeyboard = currentlySelectedDevice == "Keyboard/Mouse";
+    selectedDeviceIsNotKeyboard = currentlySelectedDevice != "Keyboard/Mouse";
     modified = true;
   }
 
@@ -76,12 +77,13 @@ bool QueryDevices(void *userdata, SDL_Event *event) {
     {
       const auto index = event->gdevice.which;
 
-      const auto gamepad = SDL_OpenGamepad(index);
+      auto gamepad = SDL_OpenGamepad(index);
       Util::info("Found controller!");
       const auto serial = SDL_GetGamepadSerial(gamepad);
       const auto name = SDL_GetGamepadName(gamepad);
       const auto path = SDL_GetGamepadPath(gamepad);
 
+      _this->gamepads[index] = gamepad;
       if (name) {
         if (!_this->gamepadIndexes.contains(index)) {
           _this->gamepadIndexes[index] = name;
@@ -98,16 +100,16 @@ bool QueryDevices(void *userdata, SDL_Event *event) {
         }
         _this->devices.addItem({path});
       }
-
-      SDL_CloseGamepad(gamepad);
     }
     return true;
   case SDL_EVENT_GAMEPAD_REMOVED:
     {
       const auto index = event->gdevice.which;
 
-      if (_this->gamepadIndexes.contains(index))
+      if (_this->gamepadIndexes.contains(index)) {
         _this->devices.removeItem(_this->gamepadIndexes[index]);
+        SDL_CloseGamepad(_this->gamepads[index]);
+      }
     }
     return true;
   default:

src/frontend/InputSettings.hpp

@@ -7,8 +7,10 @@
 
 class InputSettings final {
 public:
+  std::unordered_map<u32, SDL_Gamepad*> gamepads{};
   bool grabbing = false;
   int whichGrabbing = -1;
+  int currentlySelectedDeviceIndex = -1;
 
   std::unordered_map<u32, std::string> gamepadIndexes{};
   std::array<gui::PushButton, 18> kbButtons = {

src/frontend/KaizenGui.cpp

@@ -4,9 +4,13 @@
 #include <ImGuiImpl/StatusBar.hpp>
 #include <ImGuiImpl/GUI.hpp>
 
+bool HandleInput(void *userdata, SDL_Event *event);
+
 KaizenGui::KaizenGui() noexcept : window("Kaizen", 800, 600), core(std::make_shared<n64::Core>()), vulkanWidget(core, window.getHandle()), emuThread(core, fpsCounter, vulkanWidget, settingsWindow) {  
   gui::Initialize(core->parallel.wsi, window.getHandle());
 
+  SDL_AddEventWatch(HandleInput, this);
+  
   actionPause.setFunc([&]() {
     if(ImGui::IsItemClicked()) {
       actionPause.setLabel(actionPause.getLabel() == "Pause" ? "Resume" : "Pause");
@@ -82,6 +86,94 @@ KaizenGui::KaizenGui() noexcept : window("Kaizen", 800, 600), core(std::make_sha
 
 KaizenGui::~KaizenGui() {
   gui::Cleanup();
+  SDL_RemoveEventWatch(HandleInput, this);
+  SDL_Quit();
+}
+
+bool HandleInput(void *userdata, SDL_Event *event) {
+  auto _this = (KaizenGui*)userdata;
+  InputSettings& inputSettings = _this->settingsWindow.inputSettings;
+  n64::PIF &pif = _this->core->cpu->GetMem().mmio.si.pif;
+  switch(event->type) {
+    case SDL_EVENT_GAMEPAD_AXIS_MOTION:
+      if(!inputSettings.selectedDeviceIsNotKeyboard)
+        return false;
+      {
+        _this->core->pause = true;
+        pif.UpdateButton(0, n64::Controller::Key::Z, SDL_GetGamepadAxis(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_AXIS_LEFT_TRIGGER) == SDL_JOYSTICK_AXIS_MAX);
+        pif.UpdateButton(0, n64::Controller::Key::CUp, SDL_GetGamepadAxis(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_AXIS_RIGHTY) <= -127);
+        pif.UpdateButton(0, n64::Controller::Key::CDown, SDL_GetGamepadAxis(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_AXIS_RIGHTY) >= 127);
+        pif.UpdateButton(0, n64::Controller::Key::CLeft, SDL_GetGamepadAxis(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_AXIS_RIGHTX) <= -127);
+        pif.UpdateButton(0, n64::Controller::Key::CRight, SDL_GetGamepadAxis(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_AXIS_RIGHTX) >= 127);
+
+        float xclamped = SDL_GetGamepadAxis(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_AXIS_LEFTX);
+        if (xclamped < 0) {
+          xclamped /= float(std::abs(SDL_JOYSTICK_AXIS_MAX));
+        } else {
+          xclamped /= SDL_JOYSTICK_AXIS_MAX;
+        }
+
+        xclamped *= 86;
+
+        float yclamped = SDL_GetGamepadAxis(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_AXIS_LEFTY);
+        if (yclamped < 0) {
+          yclamped /= float(std::abs(SDL_JOYSTICK_AXIS_MIN));
+        } else {
+          yclamped /= SDL_JOYSTICK_AXIS_MAX;
+        }
+
+        yclamped *= 86;
+
+        pif.UpdateAxis(0, n64::Controller::Axis::Y, -yclamped);
+        pif.UpdateAxis(0, n64::Controller::Axis::X, xclamped);
+        _this->core->pause = false;
+      }
+      return true;
+    case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
+      if(!inputSettings.selectedDeviceIsNotKeyboard)
+        return false;
+      {
+        _this->core->pause = true;
+        pif.UpdateButton(0, n64::Controller::Key::A, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_SOUTH));
+        pif.UpdateButton(0, n64::Controller::Key::B, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_WEST));
+        pif.UpdateButton(0, n64::Controller::Key::Start, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_START));
+        pif.UpdateButton(0, n64::Controller::Key::DUp, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_DPAD_UP));
+        pif.UpdateButton(0, n64::Controller::Key::DDown, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_DPAD_DOWN));
+        pif.UpdateButton(0, n64::Controller::Key::DLeft, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_DPAD_LEFT));
+        pif.UpdateButton(0, n64::Controller::Key::DRight, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_DPAD_RIGHT));
+        pif.UpdateButton(0, n64::Controller::Key::LT, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_LEFT_SHOULDER));
+        pif.UpdateButton(0, n64::Controller::Key::RT, SDL_GetGamepadButton(inputSettings.gamepads[inputSettings.currentlySelectedDeviceIndex], SDL_GAMEPAD_BUTTON_RIGHT_SHOULDER));
+        _this->core->pause = false;
+      }
+      return true;
+    case SDL_EVENT_KEY_DOWN:
+    case SDL_EVENT_KEY_UP:
+      if(inputSettings.selectedDeviceIsNotKeyboard)
+        return false;
+      {
+        _this->core->pause = true;
+        auto keys = SDL_GetKeyboardState(nullptr);
+        pif.UpdateButton(0, n64::Controller::Key::Z, keys[SDL_SCANCODE_Z]);
+        pif.UpdateButton(0, n64::Controller::Key::CUp, keys[SDL_SCANCODE_HOME]);
+        pif.UpdateButton(0, n64::Controller::Key::CDown, keys[SDL_SCANCODE_END]);
+        pif.UpdateButton(0, n64::Controller::Key::CLeft, keys[SDL_SCANCODE_DELETE]);
+        pif.UpdateButton(0, n64::Controller::Key::CRight, keys[SDL_SCANCODE_PAGEDOWN]);
+        pif.UpdateButton(0, n64::Controller::Key::A, keys[SDL_SCANCODE_X]);
+        pif.UpdateButton(0, n64::Controller::Key::B, keys[SDL_SCANCODE_C]);
+        pif.UpdateButton(0, n64::Controller::Key::Start, keys[SDL_SCANCODE_RETURN]);
+        pif.UpdateButton(0, n64::Controller::Key::DUp, keys[SDL_SCANCODE_I]);
+        pif.UpdateButton(0, n64::Controller::Key::DDown, keys[SDL_SCANCODE_K]);
+        pif.UpdateButton(0, n64::Controller::Key::DLeft, keys[SDL_SCANCODE_J]);
+        pif.UpdateButton(0, n64::Controller::Key::DRight, keys[SDL_SCANCODE_L]);
+        pif.UpdateButton(0, n64::Controller::Key::LT, keys[SDL_SCANCODE_A]);
+        pif.UpdateButton(0, n64::Controller::Key::RT, keys[SDL_SCANCODE_S]);
+        pif.UpdateAxis(0, n64::Controller::Axis::Y, keys[SDL_SCANCODE_UP] ? 86 : keys[SDL_SCANCODE_DOWN] ? -86 : 0);
+        pif.UpdateAxis(0, n64::Controller::Axis::X, keys[SDL_SCANCODE_LEFT] ? -86 : keys[SDL_SCANCODE_RIGHT] ? 86 : 0);
+        _this->core->pause = false;
+      }
+      return true;
+    default: return false;
+  }
 }
 
 void KaizenGui::RenderUI() {

src/frontend/KaizenGui.hpp

@@ -27,7 +27,6 @@ public:
   void LoadROM(const std::string &path) noexcept;
 private:
   bool quit = false;
-  void handleEvents();
   std::function<void()> emuExitFunc;
   void RenderUI();
 };

src/frontend/SettingsWindow.hpp

@@ -12,8 +12,8 @@ class SettingsWindow final {
   nlohmann::json settings;
   CPUSettings cpuSettings{settings};
   AudioSettings audioSettings{settings};
-  InputSettings inputSettings{settings};
 public:
+  InputSettings inputSettings{settings};
   gui::PopupWindow popup{"Emulator Settings"};
   bool render();
   SettingsWindow();