static void DIJoystick_poll_joysticks(void)
{
HRESULT hr;
DWORD i;
This.m_bCoinSlot = 0;
for (i = 0; i < This.num_joysticks; i++)
{
/* start by clearing the structure, then fill it in if possible */
ClearJoyState(&This.joysticks[i].dijs);
if (This.joysticks[i].did == NULL)
continue;
if (This.joysticks[i].use_joystick == FALSE)
continue;
hr = IDirectInputDevice2_Poll(This.joysticks[i].did);
hr = IDirectInputDevice2_GetDeviceState(This.joysticks[i].did,sizeof(DIJOYSTATE),
&This.joysticks[i].dijs);
if (FAILED(hr))
{
if (hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED)
{
hr = IDirectInputDevice2_Acquire(This.joysticks[i].did);
}
continue;
}
}
}
void
SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
{
HRESULT result;
result = IDirectInputDevice2_Poll(joystick->hwdata->InputDevice);
if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {
IDirectInputDevice2_Acquire(joystick->hwdata->InputDevice);
IDirectInputDevice2_Poll(joystick->hwdata->InputDevice);
}
if (joystick->hwdata->buffered)
SDL_SYS_JoystickUpdate_Buffered(joystick);
else
SDL_SYS_JoystickUpdate_Polled(joystick);
}
void InputHandler_DInput::PollAndAcquireDevices()
{
for( unsigned i = 0; i < Devices.size(); ++i )
{
HRESULT hr = IDirectInputDevice2_Poll( Devices[i].Device );
if ( hr == DIERR_INPUTLOST || hr == DIERR_NOTACQUIRED )
{
/* This will fail with "access denied" on the keyboard if we don't
* have focus. */
hr = IDirectInputDevice2_Acquire( Devices[i].Device );
if ( hr != DI_OK )
continue;
IDirectInputDevice2_Poll( Devices[i].Device );
}
}
}
int get_joystick_status(struct wwvi_js_event *wjse)
{
HRESULT hr;
DIJOYSTATE2 js;
int i;
if (!joystick || !wjse)
return -1;
/* poll the device to read the current state */
hr = IDirectInputDevice2_Poll(joystick);
if (FAILED(hr)) {
/* input stream has been interrupted, re-acquire and try again */
hr = IDirectInputDevice2_Acquire(joystick);
while(hr == DIERR_INPUTLOST)
hr = IDirectInputDevice2_Acquire(joystick);
/* other errors may occur when the app is minimized
or in the process of switching, so just try again later */
if (FAILED(hr))
return -1;
/* try to poll again */
hr = IDirectInputDevice2_Poll(joystick);
if (FAILED(hr))
return -1;
}
/* get the device state */
hr = IDirectInputDevice2_GetDeviceState(joystick, sizeof(DIJOYSTATE2), &js);
if(FAILED(hr))
return -1;
/* write out state */
wjse->stick_x = js.lX;
wjse->stick_y = js.lY;
for (i = 0; i < 11; ++i) {
wjse->button[i] = (js.rgbButtons[i] & 0x80) ? 1 : 0;
}
return 0;
}
bool joystick_poll( int joysticknum )
{
HRESULT hRes;
int i, j, povdir;
/* joystick doesn't exist */
if( !lpdiJoystick[joysticknum] )
return false;
poll:
/* poll the device */
hRes = IDirectInputDevice2_Poll(lpdiJoystick[joysticknum]);
/* not needed or succeeded */
if ( hRes == DI_NOEFFECT && hRes == DI_OK )
goto state;
/* lets look for some errors */
switch ( hRes )
{
// Access to the input device has been lost. It must be reacquired.
case DIERR_INPUTLOST:
// The operation cannot be performed unless the device is acquired.
case DIERR_NOTACQUIRED:
// acquire the device
hRes = IDirectInputDevice2_Acquire(lpdiJoystick[joysticknum]);
// must be a deeper issue
if ( hRes != DI_OK )
return false;
// try again
goto poll;
break;
// The object has not been initialized.
case DIERR_NOTINITIALIZED:
// must be a deeper issue
return false;
break;
}
state:
// get data from the joystick
hRes = IDirectInputDevice_GetDeviceState( lpdiJoystick[joysticknum],
sizeof(DIJOYSTATE2),
&js[ new_input ][joysticknum]);
// if we got an error
if ( hRes == DI_OK )
goto povs;
// lets check out some errors
switch (hRes)
{
// Access to the input device has been lost. It must be reacquired.
case DIERR_INPUTLOST:
// The operation cannot be performed unless the device is acquired.
case DIERR_NOTACQUIRED:
// acquire the device
hRes = IDirectInputDevice2_Acquire(lpdiJoystick[joysticknum]);
// must be a deeper issue
if ( hRes != DI_OK )
return false;
// try again
goto state;
break;
case DIERR_INVALIDPARAM:
case DIERR_NOTINITIALIZED:
// must be a deeper issue
return false;
break;
// Data is not yet available.
case E_PENDING:
// no data just say ok and get out of here
return true;
break;
}
povs:
/* who knows what the rest of this does */
// for each hat switch
for (i = 0; i < JoystickInfo[joysticknum].NumPOVs; i++)
{
povdir = GetPOVMask( js[ new_input ][ joysticknum ].rgdwPOV[ i ] );
for (j = 0; j < MAX_POV_DIRECTIONS; j++)
js_pov[ new_input ][ joysticknum ][ i ][ j ] =
( povdir & ( 1 << j ) ) ? 0x80 : 0;
}
/* everything fine */
return true;
}
static int DX5_CheckInput(_THIS, int timeout, BOOL processInput)
{
MSG msg;
int i;
HRESULT result;
DWORD event;
posted = 0;
while ( ! posted &&
PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
DispatchMessage(&msg);
} else {
return(-1);
}
}
if ( posted ) {
return(1);
}
if ( SDL_GetAppState() & SDL_APPMOUSEFOCUS ) {
for ( i=0; i<MAX_INPUTS; ++i ) {
if ( SDL_DIdev[i] != NULL ) {
result = IDirectInputDevice2_Poll(SDL_DIdev[i]);
if ( (result == DIERR_INPUTLOST) ||
(result == DIERR_NOTACQUIRED) ) {
if ( SDL_strcmp(inputs[i].name, "mouse") == 0 ) {
mouse_lost = 1;
}
IDirectInputDevice2_Acquire(SDL_DIdev[i]);
IDirectInputDevice2_Poll(SDL_DIdev[i]);
}
}
}
}
event = MsgWaitForMultipleObjects(SDL_DIndev, SDL_DIevt, FALSE,
timeout, QS_ALLEVENTS);
if ((event >= WAIT_OBJECT_0) && (event < (WAIT_OBJECT_0+SDL_DIndev))) {
DWORD numevents;
static DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE];
event -= WAIT_OBJECT_0;
numevents = INPUT_QSIZE;
result = IDirectInputDevice2_GetDeviceData(
SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA),
evtbuf, &numevents, 0);
if ( (result == DIERR_INPUTLOST) ||
(result == DIERR_NOTACQUIRED) ) {
if ( SDL_strcmp(inputs[event].name, "mouse") == 0 ) {
mouse_lost = 1;
}
IDirectInputDevice2_Acquire(SDL_DIdev[event]);
result = IDirectInputDevice2_GetDeviceData(
SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA),
evtbuf, &numevents, 0);
}
if ( result == DI_OK && processInput ) {
(*SDL_DIfun[event])((int)numevents, evtbuf);
return(1);
}
}
if ( event != WAIT_TIMEOUT ) {
if ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
DispatchMessage(&msg);
} else {
return(-1);
}
return(1);
}
}
return(0);
}
/* joystick_dinput_poll: [primary thread]
* Polls the DirectInput joystick devices.
*/
static int joystick_dinput_poll(void)
{
int n_joy, n_axis, n_but;
DIJOYSTATE js;
HRESULT hr;
for (n_joy = 0; n_joy < dinput_joy_num; n_joy++) {
/* poll the device */
IDirectInputDevice2_Poll(dinput_joystick[n_joy].device);
hr = IDirectInputDevice2_GetDeviceState(dinput_joystick[n_joy].device, sizeof(DIJOYSTATE), &js);
if (hr == DI_OK) {
/* axes */
dinput_joystick[n_joy].axis[0] = js.lX;
dinput_joystick[n_joy].axis[1] = js.lY;
n_axis = 2;
if (dinput_joystick[n_joy].caps & JOYCAPS_HASZ) {
dinput_joystick[n_joy].axis[n_axis] = js.lZ;
n_axis++;
}
if (dinput_joystick[n_joy].caps & JOYCAPS_HASR) {
dinput_joystick[n_joy].axis[n_axis] = js.lRz;
n_axis++;
}
/* In versions of the DirectInput joystick API earlier than 8.00, slider
* data is to be found in the Z axis data member, although the object was
* reported as a slider during enumeration.
*
* Very few locations seem to describe this "feature". Here is one:
* http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/dx81_vb/directx_vb/Input/VB_Ref/Types/dijoystate2.asp
*
* The interesting part is the note at the bottom of the page:
* " Note: Under Microsoft DirectX 7, sliders on some joysticks could be assigned
* to the Z axis, with subsequent code retrieving data from that member.
* Using DirectX 8, those same sliders will be assigned to the slider array.
* This should be taken into account when porting applications to DirectX 8.
* Make any necessary alterations to ensure that slider data is retrieved from
* the slider array. "
*/
/* For U axis (slider 0), get data from Z axis member if API < 0x0800
* and if a real Z axis is not present. Otherwise get it from slider 0 member.
*/
if (dinput_joystick[n_joy].caps & JOYCAPS_HASU) {
#if DIRECTINPUT_VERSION < 0x0800
if (dinput_joystick[n_joy].caps & JOYCAPS_HASZ)
dinput_joystick[n_joy].axis[n_axis] = js.rglSlider[0];
else
dinput_joystick[n_joy].axis[n_axis] = js.lZ;
#else
dinput_joystick[n_joy].axis[n_axis] = js.rglSlider[0];
#endif
n_axis++;
}
/* For V axis (slider 1), get data from slider 0 member if API < 0x0800
* and if a real Z axis is not present. Otherwise get it from slider 1 member.
*/
if (dinput_joystick[n_joy].caps & JOYCAPS_HASV) {
#if DIRECTINPUT_VERSION < 0x0800
if (dinput_joystick[n_joy].caps & JOYCAPS_HASZ)
dinput_joystick[n_joy].axis[n_axis] = js.rglSlider[1];
else
dinput_joystick[n_joy].axis[n_axis] = js.rglSlider[0];
#else
dinput_joystick[n_joy].axis[n_axis] = js.rglSlider[1];
#endif
n_axis++;
}
/* hat */
if (dinput_joystick[n_joy].caps & JOYCAPS_HASPOV)
dinput_joystick[n_joy].hat = js.rgdwPOV[0];
/* buttons */
for (n_but = 0; n_but < dinput_joystick[n_joy].num_buttons; n_but++)
dinput_joystick[n_joy].button[n_but] = ((js.rgbButtons[n_but] & 0x80) != 0);
win_update_joystick_status(n_joy, (WINDOWS_JOYSTICK_INFO *)&dinput_joystick[n_joy]);
}
else {
if ((hr == DIERR_NOTACQUIRED) || (hr == DIERR_INPUTLOST)) {
/* reacquire device */
_TRACE(PREFIX_W "joystick device not acquired or lost\n");
wnd_schedule_proc(joystick_dinput_acquire);
}
else {
_TRACE(PREFIX_E "unexpected error while polling the joystick\n");
}
}
}
return 0;
}
/* This function checks the windows message queue and DirectInput and returns
1 if there was input, 0 if there was no input, or -1 if the application has
posted a quit message.
*/
static int DX5_CheckInput(_THIS, int timeout, BOOL processInput)
{
MSG msg;
int i;
HRESULT result;
DWORD event;
/* Check the normal windows queue (highest preference) */
posted = 0;
while ( ! posted &&
PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
DispatchMessage(&msg);
} else {
return(-1);
}
}
if ( posted ) {
return(1);
}
/* Pump the DirectInput flow */
if ( SDL_GetAppState() & SDL_APPINPUTFOCUS ) {
for ( i=0; i<SDL_DIndev; ++i ) {
result = IDirectInputDevice2_Poll(SDL_DIdev[i]);
if ( (result == DIERR_INPUTLOST) ||
(result == DIERR_NOTACQUIRED) ) {
if ( strcmp(inputs[i].name, "mouse") == 0 ) {
mouse_lost = 1;
}
IDirectInputDevice2_Acquire(SDL_DIdev[i]);
IDirectInputDevice2_Poll(SDL_DIdev[i]);
}
}
}
/* Wait for messages and input events */
event = MsgWaitForMultipleObjects(SDL_DIndev, SDL_DIevt, FALSE,
timeout, QS_ALLEVENTS);
if ((event >= WAIT_OBJECT_0) && (event < (WAIT_OBJECT_0+SDL_DIndev))) {
DWORD numevents;
DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE];
event -= WAIT_OBJECT_0;
numevents = INPUT_QSIZE;
result = IDirectInputDevice2_GetDeviceData(
SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA),
evtbuf, &numevents, 0);
if ( (result == DIERR_INPUTLOST) ||
(result == DIERR_NOTACQUIRED) ) {
if ( strcmp(inputs[event].name, "mouse") == 0 ) {
mouse_lost = 1;
}
IDirectInputDevice2_Acquire(SDL_DIdev[event]);
result = IDirectInputDevice2_GetDeviceData(
SDL_DIdev[event], sizeof(DIDEVICEOBJECTDATA),
evtbuf, &numevents, 0);
}
/* Handle the events */
if ( result == DI_OK && processInput ) {
/* Note: This can post multiple events to event queue
*/
(*SDL_DIfun[event])((int)numevents, evtbuf);
return(1);
}
}
if ( event != WAIT_TIMEOUT ) {
/* Maybe there was a windows message? */
if ( PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) ) {
if ( GetMessage(&msg, NULL, 0, 0) > 0 ) {
DispatchMessage(&msg);
} else {
return(-1);
}
return(1);
}
}
return(0);
}