Add all the files

src/input/api/DirectInput/DirectInputControllerProvider.cpp

@@ -0,0 +1,65 @@
+#include "input/api/DirectInput/DirectInputControllerProvider.h"
+
+#include "input/api/DirectInput/DirectInputController.h"
+
+DirectInputControllerProvider::DirectInputControllerProvider()
+{
+	/*m_module = LoadLibraryA("dinput8.dll");
+	if (!m_module)
+		throw std::runtime_error("can't load any xinput dll");
+
+	m_DirectInput8Create = (decltype(&DirectInput8Create))GetProcAddress(m_module, "DirectInput8Create");
+	m_GetdfDIJoystick = (decltype(&GetdfDIJoystick))GetProcAddress(m_module, "GetdfDIJoystick");
+	
+	if (!m_DirectInput8Create)
+	{
+		FreeLibrary(m_module);
+		throw std::runtime_error("can't find the DirectInput8Create export");
+	}*/
+		
+
+	const auto r = DirectInput8Create(GetModuleHandle(nullptr), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&m_dinput8, nullptr);
+	if (FAILED(r) || !m_dinput8)
+	{
+		const auto error = GetLastError();
+		//FreeLibrary(m_module);
+		throw std::runtime_error(fmt::format("can't create direct input object (error: {:#x})", error));
+	}
+}
+
+DirectInputControllerProvider::~DirectInputControllerProvider()
+{
+	if (m_dinput8)
+		m_dinput8->Release();
+	
+	/*if (m_module)
+		FreeLibrary(m_module);
+	*/
+}
+
+std::vector<std::shared_ptr<ControllerBase>> DirectInputControllerProvider::get_controllers()
+{
+	std::vector<std::shared_ptr<ControllerBase>> result;
+
+	m_dinput8->EnumDevices(DI8DEVCLASS_GAMECTRL,
+		[](LPCDIDEVICEINSTANCE lpddi, LPVOID pvRef) -> BOOL
+		{
+			auto* controllers = (decltype(&result))pvRef;
+
+			std::string display_name = boost::nowide::narrow(lpddi->tszProductName);
+			controllers->emplace_back(std::make_shared<DirectInputController>(lpddi->guidInstance, display_name));
+
+			return DIENUM_CONTINUE;
+		}, &result, DIEDFL_ALLDEVICES);
+	
+
+	return result;
+}
+
+LPCDIDATAFORMAT DirectInputControllerProvider::get_data_format() const
+{
+	/*if (m_GetdfDIJoystick)
+		return m_GetdfDIJoystick();*/
+
+	return GetdfDIJoystick();
+}