InputDeviceProvider_Win32Hid::InputDeviceProvider_Win32Hid(HANDLE rawinput_device) : rawinput_device(rawinput_device)
{
DataBuffer preparse_data = get_preparse_data();
HANDLE device = open_device();
try
{
find_names(device);
find_button_names(device, preparse_data.get_data());
find_value_names(device, preparse_data.get_data());
CloseHandle(device);
}
catch (...)
{
CloseHandle(device);
throw;
}
}
void InputDeviceProvider_Win32Hid::update(RAWINPUT *raw_input)
{
if (raw_input->header.hDevice == rawinput_device)
{
DataBuffer preparse_data = get_preparse_data();
for (DWORD i = 0; i < raw_input->data.hid.dwCount; i++)
{
BYTE *raw_data = const_cast<BYTE *>(raw_input->data.hid.bRawData);
DWORD offset = i * raw_input->data.hid.dwSizeHid;
void *report = raw_data + offset;
int report_size = raw_input->data.hid.dwSizeHid;
update(preparse_data.get_data(), report, report_size);
}
}
}
void InputDeviceProvider_Win32Hid::update(InputDevice &joystick, RAWINPUT *raw_input)
{
auto previous_buttons = buttons;
auto previous_axis = axis_values;
//auto previous_hat = hat_values; // TODO: What about this
if (raw_input->header.hDevice == rawinput_device)
{
DataBuffer preparse_data = get_preparse_data();
for (DWORD i = 0; i < raw_input->data.hid.dwCount; i++)
{
BYTE *raw_data = const_cast<BYTE *>(raw_input->data.hid.bRawData);
DWORD offset = i * raw_input->data.hid.dwSizeHid;
void *report = raw_data + offset;
int report_size = raw_input->data.hid.dwSizeHid;
update(preparse_data.get_data(), report, report_size);
}
}
for (unsigned int cnt = 0; cnt < previous_buttons.size(); cnt++)
{
if (previous_buttons[cnt] != buttons[cnt])
{
InputEvent input_event;
input_event.type = buttons[cnt] ? InputEvent::pressed : InputEvent::released;
input_event.id = (InputCode) cnt;
buttons[cnt] ? joystick.sig_key_down()(input_event) : joystick.sig_key_up()(input_event);
}
}
for (unsigned int cnt = 0; cnt < previous_axis.size(); cnt++)
{
if (previous_axis[cnt] != axis_values[cnt])
{
InputEvent input_event;
input_event.type = InputEvent::axis_moved;
input_event.id = (InputCode) cnt;
input_event.axis_pos = axis_values[cnt];
joystick.sig_axis_move()(input_event);
}
}
}
