stupid simple spotify song detection for C++

spotify.cc

		void spotify ( ) {
			const static auto & spotify = CONFIG_GET ( HASH_CT ( "crescent:spotify" ) , bool );

			if ( !spotify )
				return;

			static HWND spotify_hwnd = nullptr;
			static float last_hwnd_time = 0.f , last_title_time = 0.f;

			/* hilariously overengineered solution to get fucking spotify song name */
			if ( ( !spotify_hwnd || spotify_hwnd == INVALID_HANDLE_VALUE ) && last_hwnd_time < ui::globals::realtime ) {
				/* game freezes if we try to open a handle 300 times per second (understandable) so this workaround will do */
				last_hwnd_time = ui::globals::realtime + 10.f;

				for ( HWND hwnd = GetTopWindow ( 0 ); hwnd; hwnd = GetWindow ( hwnd , GW_HWNDNEXT ) ) {
					if ( !APICALL ( IsWindowVisible )( hwnd ) )
						continue;

					int length = APICALL ( GetWindowTextLengthW )( hwnd );
					if ( length == 0 )
						continue;

					WCHAR filename [ 300 ];
					DWORD pid;
					APICALL ( GetWindowThreadProcessId )( hwnd , &pid );

					const auto spotify_handle = APICALL ( OpenProcess )( PROCESS_QUERY_INFORMATION , FALSE , pid );
					APICALL ( K32GetModuleFileNameExW )( spotify_handle , nullptr , filename , 300 );

					std::wstring sane_filename { filename };

					APICALL ( CloseHandle )( spotify_handle );

					/* fucking finally found spotify */
					if ( sane_filename.find ( _ ( L"Spotify.exe" ) ) != std::string::npos )
						spotify_hwnd = hwnd;
				}
			} else if ( spotify_hwnd && spotify_hwnd != INVALID_HANDLE_VALUE && last_title_time < ui::globals::realtime ) {
				last_title_time = ui::globals::realtime + 1.f;
				WCHAR title [ 300 ];

				/* returns 0 if something went wrong, so try to get handle again */
				if ( !APICALL ( GetWindowTextW )( spotify_hwnd , title , 300 ) ) {
					spotify_hwnd = nullptr;
				} else {
					const std::wstring sane_title { title };
					const std::string ascii_title { sane_title.begin ( ) , sane_title.end ( ) };

					static std::uint32_t hash = 0;

					/* if we find a dash, song is likely playing */
					if ( sane_title.find ( _ ( L"-" ) ) != std::string::npos ) {
						if ( hash != HASH_RT ( ascii_title.data ( ) ) ) {
							hash = HASH_RT ( ascii_title.data ( ) );

							csgo::hacks::notifications->dispatch ( fmt::format ( _ ( "Now playing on Spotify: {}" ) , ascii_title ) , ui::SPOTIFY_ICON , 5.f );
						}

						// csgo::render::text_wide ( { 25 , 250 } , c_color ( 255 , 255 , 255 ) , fmt::format ( _ ( L"currently playing on spotify: {}" ) , sane_title ) , csgo::render::fonts::menu_title_font );
					} 
					/* no song playing das fucked :\ */
					// else {
						// csgo::render::text ( { 25 , 250 } , c_color ( 255 , 255 , 255 ) , _ ( "nothing is currently playing on spotify" ) , csgo::render::fonts::menu_title_font );
					// }
				}
			}
		}

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