Add all the files

src/input/api/DirectInput/DirectInputControllerProvider.h

@@ -0,0 +1,37 @@
+#pragma once
+#if BOOST_OS_WINDOWS
+
+#define DIRECTINPUT_VERSION 0x0800
+
+#include <dinput.h>
+
+#include "input/api/ControllerProvider.h"
+
+#ifndef HAS_DIRECTINPUT
+#define HAS_DIRECTINPUT 1
+#endif
+
+class DirectInputControllerProvider : public ControllerProviderBase
+{
+public:
+	DirectInputControllerProvider();
+	~DirectInputControllerProvider() override;
+
+	inline static InputAPI::Type kAPIType = InputAPI::DirectInput;
+	InputAPI::Type api() const override { return kAPIType; }
+
+	std::vector<std::shared_ptr<ControllerBase>> get_controllers() override;
+
+	IDirectInput8* get_dinput() const { return m_dinput8; }
+	LPCDIDATAFORMAT get_data_format() const;
+
+private:
+	HMODULE m_module = nullptr;
+
+	decltype(&DirectInput8Create) m_DirectInput8Create;
+	decltype(&GetdfDIJoystick) m_GetdfDIJoystick = nullptr;
+
+	IDirectInput8* m_dinput8 = nullptr;
+};
+
+#endif