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#include "../ControllerInterface.h"
#ifdef CIFACE_USE_DIRECTINPUT_MOUSE
#include "DirectInputMouse.h"
#include "DirectInput.h"
// TODO: maybe add a ClearInputState function to this device
// (lower would be more sensitive) user can lower sensitivity by setting range
// seems decent here ( at 8 ), I dont think anyone would need more sensitive than this
// and user can lower it much farther than they would want to with the range
#define MOUSE_AXIS_SENSITIVITY 8
// if input hasn't been received for this many ms, mouse input will be skipped
// otherwise it is just some crazy value
#define DROP_INPUT_TIME 250
namespace ciface
{
namespace DirectInput
{
void InitMouse( IDirectInput8* const idi8, std::vector<ControllerInterface::Device*>& devices )
{
LPDIRECTINPUTDEVICE8 mo_device;
unsigned int mo_count = 0;
std::list<DIDEVICEINSTANCE> mice;
idi8->EnumDevices(DI8DEVCLASS_POINTER, DIEnumDevicesCallback, (LPVOID)&mice, DIEDFL_ATTACHEDONLY);
// add other keyboard devices
std::list<DIDEVICEINSTANCE>::iterator
i = mice.begin(),
e = mice.end();
for (; i!=e; ++i)
{
if (SUCCEEDED(idi8->CreateDevice(i->guidInstance, &mo_device, NULL)))
{
if (SUCCEEDED(mo_device->SetDataFormat(&c_dfDIMouse2)))
if (SUCCEEDED(mo_device->SetCooperativeLevel(NULL, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE)))
{
devices.push_back(new Mouse(mo_device, mo_count++));
return;
}
}
mo_device->Release();
}
}
Mouse::~Mouse()
{
// mouse
m_mo_device->Unacquire();
m_mo_device->Release();
}
Mouse::Mouse(const LPDIRECTINPUTDEVICE8 mo_device, const int index)
: m_mo_device(mo_device)
, m_index(index)
{
m_mo_device->Acquire();
m_last_update = GetTickCount();
ZeroMemory(&m_state_in, sizeof(m_state_in));
// MOUSE
// get caps
DIDEVCAPS mouse_caps;
ZeroMemory( &mouse_caps, sizeof(mouse_caps) );
mouse_caps.dwSize = sizeof(mouse_caps);
m_mo_device->GetCapabilities(&mouse_caps);
// mouse buttons
for (unsigned int i = 0; i < mouse_caps.dwButtons; ++i)
AddInput(new Button(i));
// mouse axes
for (unsigned int i = 0; i < mouse_caps.dwAxes; ++i)
{
// each axis gets a negative and a positive input instance associated with it
AddInput(new Axis(i, (2==i) ? -1 : -MOUSE_AXIS_SENSITIVITY));
AddInput(new Axis(i, -(2==i) ? 1 : MOUSE_AXIS_SENSITIVITY));
}
}
bool Mouse::UpdateInput()
{
DIMOUSESTATE2 tmp_mouse;
HRESULT hr = m_mo_device->GetDeviceState(sizeof(tmp_mouse), &tmp_mouse);
// if mouse position hasn't been updated in a short while, skip a dev state
const DWORD cur_time = GetTickCount();
if (cur_time - m_last_update > DROP_INPUT_TIME)
{
// set buttons/axes to zero
// skip this input state
ZeroMemory(&m_state_in, sizeof(m_state_in));
}
else if (SUCCEEDED(hr))
{
// need to smooth out the axes, otherwise it doesnt work for shit
for (unsigned int i = 0; i < 3; ++i)
((&m_state_in.lX)[i] += (&tmp_mouse.lX)[i]) /= 2;
// copy over the buttons
memcpy(m_state_in.rgbButtons, tmp_mouse.rgbButtons, sizeof(m_state_in.rgbButtons));
}
m_last_update = cur_time;
if (DIERR_INPUTLOST == hr || DIERR_NOTACQUIRED == hr)
m_mo_device->Acquire();
return SUCCEEDED(hr);
}
bool Mouse::UpdateOutput()
{
return true;
}
std::string Mouse::GetName() const
{
return "Mouse";
}
int Mouse::GetId() const
{
return m_index;
}
std::string Mouse::GetSource() const
{
return DINPUT_SOURCE_NAME;
}
ControlState Mouse::GetInputState( const ControllerInterface::Device::Input* const input ) const
{
return (((Input*)input)->GetState(&m_state_in));
}
void Mouse::SetOutputState(const ControllerInterface::Device::Output* const output, const ControlState state)
{
return;
}
// names
std::string Mouse::Button::GetName() const
{
return std::string("Button ") + char('0'+m_index);
}
std::string Mouse::Axis::GetName() const
{
std::string tmpstr("Axis ");
tmpstr += "XYZ"[m_index]; tmpstr += ( m_range>0 ? '+' : '-' );
return tmpstr;
}
// get/set state
ControlState Mouse::Button::GetState(const DIMOUSESTATE2* const state) const
{
return (state->rgbButtons[m_index] != 0);
}
ControlState Mouse::Axis::GetState(const DIMOUSESTATE2* const state) const
{
return std::max(0.0f, ControlState((&state->lX)[m_index]) / m_range);
}
}
}
#endif
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