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WINJoystick.cpp
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WINJoystick.cpp
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/*
* Copyright (C) 2012-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "WINJoystick.h"
#include "input/ButtonTranslator.h"
#include "peripherals/devices/PeripheralImon.h"
#include "settings/AdvancedSettings.h"
#include "settings/lib/Setting.h"
#include "utils/log.h"
#include <math.h>
#include <dinput.h>
#include <dinputd.h>
using namespace std;
extern HWND g_hWnd;
#define MAX_AXISAMOUNT 32768
#define AXIS_MIN -32768 /* minimum value for axis coordinate */
#define AXIS_MAX 32767 /* maximum value for axis coordinate */
#if !defined(HAS_SDL)
#define SDL_HAT_CENTERED 0x00
#define SDL_HAT_UP 0x01
#define SDL_HAT_RIGHT 0x02
#define SDL_HAT_DOWN 0x04
#define SDL_HAT_LEFT 0x08
#define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP)
#define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN)
#define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP)
#define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN)
#endif
CJoystick::CJoystick()
{
CSingleLock lock(m_critSection);
Reset(true);
m_joystickEnabled = false;
m_NumAxes = 0;
m_AxisId = 0;
m_JoyId = 0;
m_ButtonId = 0;
m_HatId = 0;
m_HatState = SDL_HAT_CENTERED;
m_ActiveFlags = JACTIVE_NONE;
SetDeadzone(0);
m_pDI = NULL;
m_lastPressTicks = 0;
m_lastTicks = 0;
}
CJoystick::~CJoystick()
{
ReleaseJoysticks();
}
void CJoystick::OnSettingChanged(const CSetting *setting)
{
if (setting == NULL)
return;
const std::string &settingId = setting->GetId();
if (settingId == "input.enablejoystick")
SetEnabled(((CSettingBool*)setting)->GetValue() && PERIPHERALS::CPeripheralImon::GetCountOfImonsConflictWithDInput() == 0);
}
void CJoystick::ReleaseJoysticks()
{
CSingleLock lock(m_critSection);
// Unacquire the device one last time just in case
// the app tried to exit while the device is still acquired.
for(std::vector<LPDIRECTINPUTDEVICE8>::iterator it = m_pJoysticks.begin(); it != m_pJoysticks.end(); ++it)
{
if( (*it) )
(*it)->Unacquire();
SAFE_RELEASE( (*it) );
}
m_pJoysticks.clear();
m_JoystickNames.clear();
m_devCaps.clear();
m_HatId = 0;
m_ButtonId = 0;
m_HatState = SDL_HAT_CENTERED;
m_ActiveFlags = JACTIVE_NONE;
Reset(true);
m_lastPressTicks = 0;
m_lastTicks = 0;
// Release any DirectInput objects.
SAFE_RELEASE( m_pDI );
}
BOOL CALLBACK CJoystick::EnumJoysticksCallback( const DIDEVICEINSTANCE* pdidInstance, VOID* pContext )
{
HRESULT hr;
CJoystick* p_this = (CJoystick*) pContext;
LPDIRECTINPUTDEVICE8 pJoystick = NULL;
// Obtain an interface to the enumerated joystick.
hr = p_this->m_pDI->CreateDevice( pdidInstance->guidInstance, &pJoystick, NULL );
if( SUCCEEDED( hr ) )
{
// Set the data format to "simple joystick" - a predefined data format
//
// A data format specifies which controls on a device we are interested in,
// and how they should be reported. This tells DInput that we will be
// passing a DIJOYSTATE2 structure to IDirectInputDevice::GetDeviceState().
if( SUCCEEDED( hr = pJoystick->SetDataFormat( &c_dfDIJoystick2 ) ) )
{
// Set the cooperative level to let DInput know how this device should
// interact with the system and with other DInput applications.
if( SUCCEEDED( hr = pJoystick->SetCooperativeLevel( g_hWnd, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND ) ) )
{
DIDEVCAPS diDevCaps;
diDevCaps.dwSize = sizeof(DIDEVCAPS);
if (SUCCEEDED(hr = pJoystick->GetCapabilities(&diDevCaps)))
{
CLog::Log(LOGNOTICE, __FUNCTION__" : Enabled Joystick: %s", pdidInstance->tszProductName);
CLog::Log(LOGNOTICE, __FUNCTION__" : Total Axis: %d Total Hats: %d Total Buttons: %d", diDevCaps.dwAxes, diDevCaps.dwPOVs, diDevCaps.dwButtons);
p_this->m_pJoysticks.push_back(pJoystick);
p_this->m_JoystickNames.push_back(pdidInstance->tszProductName);
p_this->m_devCaps.push_back(diDevCaps);
}
else
CLog::Log(LOGDEBUG, __FUNCTION__" : Failed to GetCapabilities for: %s", pdidInstance->tszProductName);
}
else
CLog::Log(LOGDEBUG, __FUNCTION__" : Failed to SetCooperativeLevel on: %s", pdidInstance->tszProductName);
}
else
CLog::Log(LOGDEBUG, __FUNCTION__" : Failed to SetDataFormat on: %s", pdidInstance->tszProductName);
}
else
CLog::Log(LOGDEBUG, __FUNCTION__" : Failed to CreateDevice: %s", pdidInstance->tszProductName);
return DIENUM_CONTINUE;
}
//-----------------------------------------------------------------------------
// Name: EnumObjectsCallback()
// Desc: Callback function for enumerating objects (axes, buttons, POVs) on a
// joystick. This function enables user interface elements for objects
// that are found to exist, and scales axes min/max values.
//-----------------------------------------------------------------------------
BOOL CALLBACK CJoystick::EnumObjectsCallback( const DIDEVICEOBJECTINSTANCE* pdidoi, VOID* pContext )
{
LPDIRECTINPUTDEVICE8 pJoy = (LPDIRECTINPUTDEVICE8) pContext;
// For axes that are returned, set the DIPROP_RANGE property for the
// enumerated axis in order to scale min/max values.
if( pdidoi->dwType & DIDFT_AXIS )
{
DIPROPRANGE diprg;
diprg.diph.dwSize = sizeof( DIPROPRANGE );
diprg.diph.dwHeaderSize = sizeof( DIPROPHEADER );
diprg.diph.dwHow = DIPH_BYID;
diprg.diph.dwObj = pdidoi->dwType; // Specify the enumerated axis
diprg.lMin = AXIS_MIN;
diprg.lMax = AXIS_MAX;
// Set the range for the axis
if( FAILED( pJoy->SetProperty( DIPROP_RANGE, &diprg.diph ) ) )
CLog::Log(LOGDEBUG, __FUNCTION__" : Failed to set property on %s", pdidoi->tszName);
}
return DIENUM_CONTINUE;
}
void CJoystick::Initialize()
{
if (!IsEnabled())
return;
HRESULT hr;
// clear old joystick names
ReleaseJoysticks();
CSingleLock lock(m_critSection);
if( FAILED( hr = DirectInput8Create( GetModuleHandle( NULL ), DIRECTINPUT_VERSION, IID_IDirectInput8, ( VOID** )&m_pDI, NULL ) ) )
{
CLog::Log(LOGDEBUG, __FUNCTION__" : Failed to create DirectInput");
return;
}
if( FAILED( hr = m_pDI->EnumDevices( DI8DEVCLASS_GAMECTRL, EnumJoysticksCallback, this, DIEDFL_ATTACHEDONLY ) ) )
return;
if(m_pJoysticks.size() == 0)
{
CLog::Log(LOGDEBUG, __FUNCTION__" : No Joystick found");
return;
}
for(std::vector<LPDIRECTINPUTDEVICE8>::iterator it = m_pJoysticks.begin(); it != m_pJoysticks.end(); ++it)
{
LPDIRECTINPUTDEVICE8 pJoy = (*it);
// Enumerate the joystick objects. The callback function enabled user
// interface elements for objects that are found, and sets the min/max
// values property for discovered axes.
if( FAILED( hr = pJoy->EnumObjects( EnumObjectsCallback, pJoy, DIDFT_ALL ) ) )
CLog::Log(LOGDEBUG, __FUNCTION__" : Failed to enumerate objects");
}
m_JoyId = -1;
// Set deadzone range
SetDeadzone(g_advancedSettings.m_controllerDeadzone);
}
void CJoystick::Reset(bool axis /*=true*/)
{
if (axis)
{
SetAxisActive(false);
for (int i = 0 ; i<MAX_AXES ; i++)
{
ResetAxis(i);
}
}
}
void CJoystick::Update()
{
if (!IsEnabled())
return;
int buttonId = -1;
int axisId = -1;
int hatId = -1;
int numhat = -1;
int numj = m_pJoysticks.size();
if (numj <= 0)
return;
// go through all joysticks
for (int j = 0; j<numj; j++)
{
LPDIRECTINPUTDEVICE8 pjoy = m_pJoysticks[j];
HRESULT hr;
DIJOYSTATE2 js; // DInput joystick state
m_NumAxes = (m_devCaps[j].dwAxes > MAX_AXES) ? MAX_AXES : m_devCaps[j].dwAxes;
numhat = (m_devCaps[j].dwPOVs > 4) ? 4 : m_devCaps[j].dwPOVs;
hr = pjoy->Poll();
if( FAILED( hr ) )
{
int i=0;
// DInput is telling us that the input stream has been
// interrupted. We aren't tracking any state between polls, so
// we don't have any special reset that needs to be done. We
// just re-acquire and try again.
hr = pjoy->Acquire();
while( (hr == DIERR_INPUTLOST) && (i++ < 10) )
hr = pjoy->Acquire();
// hr may be DIERR_OTHERAPPHASPRIO or other errors. This
// may occur when the app is minimized or in the process of
// switching, so just try again later
return;
}
// Get the input's device state
if( FAILED( hr = pjoy->GetDeviceState( sizeof( DIJOYSTATE2 ), &js ) ) )
return; // The device should have been acquired during the Poll()
// get button states first, they take priority over axis
for( int b = 0; b < 128; b++ )
{
if( js.rgbButtons[b] & 0x80 )
{
m_JoyId = j;
buttonId = b+1;
j = numj-1;
break;
}
}
// get hat position
m_HatState = SDL_HAT_CENTERED;
for (int h = 0; h < numhat; h++)
{
if((LOWORD(js.rgdwPOV[h]) == 0xFFFF) != true)
{
m_JoyId = j;
hatId = h + 1;
j = numj-1;
if ( (js.rgdwPOV[0] > JOY_POVLEFT) || (js.rgdwPOV[0] < JOY_POVRIGHT) )
m_HatState |= SDL_HAT_UP;
if ( (js.rgdwPOV[0] > JOY_POVFORWARD) && (js.rgdwPOV[0] < JOY_POVBACKWARD) )
m_HatState |= SDL_HAT_RIGHT;
if ( (js.rgdwPOV[0] > JOY_POVRIGHT) && (js.rgdwPOV[0] < JOY_POVLEFT) )
m_HatState |= SDL_HAT_DOWN;
if ( js.rgdwPOV[0] > JOY_POVBACKWARD )
m_HatState |= SDL_HAT_LEFT;
break;
}
}
// get axis states
m_Amount[0] = 0;
m_Amount[1] = js.lX;
m_Amount[2] = js.lY;
m_Amount[3] = js.lZ;
m_Amount[4] = js.lRx;
m_Amount[5] = js.lRy;
m_Amount[6] = js.lRz;
m_AxisId = GetAxisWithMaxAmount();
if (m_AxisId)
{
m_JoyId = j;
j = numj-1;
break;
}
}
if(hatId==-1)
{
if(m_HatId!=0)
CLog::Log(LOGDEBUG, "Joystick %d hat %d Centered", m_JoyId, abs(hatId));
m_pressTicksHat = 0;
SetHatActive(false);
m_HatId = 0;
}
else
{
if(hatId!=m_HatId)
{
CLog::Log(LOGDEBUG, "Joystick %d hat %u Down", m_JoyId, hatId);
m_HatId = hatId;
m_pressTicksHat = XbmcThreads::SystemClockMillis();
}
SetHatActive();
}
if (buttonId==-1)
{
if (m_ButtonId!=0)
{
CLog::Log(LOGDEBUG, "Joystick %d button %d Up", m_JoyId, m_ButtonId);
}
m_pressTicksButton = 0;
SetButtonActive(false);
m_ButtonId = 0;
}
else
{
if (buttonId!=m_ButtonId)
{
CLog::Log(LOGDEBUG, "Joystick %d button %d Down", m_JoyId, buttonId);
m_ButtonId = buttonId;
m_pressTicksButton = XbmcThreads::SystemClockMillis();
}
SetButtonActive();
}
}
bool CJoystick::GetHat(int &id, int &position,bool consider_repeat)
{
if (!IsEnabled() || !IsHatActive())
{
id = position = 0;
return false;
}
position = m_HatState;
id = m_HatId;
if (!consider_repeat)
return true;
uint32_t nowTicks = 0;
if ((m_HatId>=0) && m_pressTicksHat)
{
// return the id if it's the first press
if (m_lastPressTicks!=m_pressTicksHat)
{
m_lastPressTicks = m_pressTicksHat;
return true;
}
nowTicks = XbmcThreads::SystemClockMillis();
if ((nowTicks-m_pressTicksHat)<500) // 500ms delay before we repeat
return false;
if ((nowTicks-m_lastTicks)<100) // 100ms delay before successive repeats
return false;
m_lastTicks = nowTicks;
}
return true;
}
bool CJoystick::GetButton(int &id, bool consider_repeat)
{
if (!IsEnabled() || !IsButtonActive())
{
id = 0;
return false;
}
if (!consider_repeat)
{
id = m_ButtonId;
return true;
}
uint32_t nowTicks = 0;
if ((m_ButtonId>=0) && m_pressTicksButton)
{
// return the id if it's the first press
if (m_lastPressTicks!=m_pressTicksButton)
{
m_lastPressTicks = m_pressTicksButton;
id = m_ButtonId;
return true;
}
nowTicks = XbmcThreads::SystemClockMillis();
if ((nowTicks-m_pressTicksButton)<500) // 500ms delay before we repeat
{
return false;
}
if ((nowTicks-m_lastTicks)<100) // 100ms delay before successive repeats
{
return false;
}
m_lastTicks = nowTicks;
}
id = m_ButtonId;
return true;
}
bool CJoystick::GetAxis (int &id)
{
if (!IsEnabled() || !IsAxisActive())
{
id = 0;
return false;
}
id = m_AxisId;
return true;
}
int CJoystick::GetAxisWithMaxAmount()
{
int maxAmount = 0;
int axis = 0;
int tempf;
for (int i = 1 ; i<=m_NumAxes ; i++)
{
tempf = abs(m_Amount[i]);
if (tempf>m_DeadzoneRange && tempf>maxAmount)
{
maxAmount = tempf;
axis = i;
}
}
SetAxisActive(0 != maxAmount);
return axis;
}
float CJoystick::GetAmount(int axis)
{
if (m_Amount[axis] > m_DeadzoneRange)
return (float)(m_Amount[axis]-m_DeadzoneRange)/(float)(MAX_AXISAMOUNT-m_DeadzoneRange);
if (m_Amount[axis] < -m_DeadzoneRange)
return (float)(m_Amount[axis]+m_DeadzoneRange)/(float)(MAX_AXISAMOUNT-m_DeadzoneRange);
return 0;
}
void CJoystick::SetEnabled(bool enabled /*=true*/)
{
if( enabled && !m_joystickEnabled )
{
m_joystickEnabled = true;
Initialize();
}
else if( !enabled && m_joystickEnabled )
{
ReleaseJoysticks();
m_joystickEnabled = false;
}
}
float CJoystick::SetDeadzone(float val)
{
if (val<0) val=0;
if (val>1) val=1;
m_DeadzoneRange = (int)(val*MAX_AXISAMOUNT);
return val;
}
bool CJoystick::Reinitialize()
{
Initialize();
return true;
}
void CJoystick::Acquire()
{
if (!IsEnabled())
return;
if(!m_pJoysticks.empty())
{
CLog::Log(LOGDEBUG, __FUNCTION__": Focus back, acquire Joysticks");
for(std::vector<LPDIRECTINPUTDEVICE8>::iterator it = m_pJoysticks.begin(); it != m_pJoysticks.end(); ++it)
{
if( (*it) )
(*it)->Acquire();
}
}
}