JNIEXPORT jint JNICALL Java_net_java_games_input_IDirectInputDevice_nEnumEffects(JNIEnv *env, jobject device_obj, jlong address, jint flags) {
LPDIRECTINPUTDEVICE8 lpDevice = (LPDIRECTINPUTDEVICE8)(INT_PTR)address;
HRESULT res;
enum_context_t enum_context;
enum_context.env = env;
enum_context.device_obj = device_obj;
res = IDirectInputDevice8_EnumEffects(lpDevice, enumEffectsCallback, &enum_context, flags);
return res;
}
/*********************************************************************
* ff_dlgproc [internal]
*
*/
static INT_PTR CALLBACK ff_dlgproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
static HANDLE thread;
static struct JoystickData *data;
TRACE("(%p, 0x%08x/%d, 0x%lx)\n", hwnd, msg, msg, lparam);
switch (msg)
{
case WM_INITDIALOG:
{
int i, cur = 0;
data = (struct JoystickData*) ((PROPSHEETPAGEW*)lparam)->lParam;
/* Add joysticks with FF support to the combobox and get the effects */
for (i = 0; i < data->num_joysticks; i++)
{
struct Joystick *joy = &data->joysticks[i];
if (joy->forcefeedback)
{
SendDlgItemMessageW(hwnd, IDC_FFSELECTCOMBO, CB_ADDSTRING, 0, (LPARAM) joy->instance.tszInstanceName);
SendDlgItemMessageW(hwnd, IDC_FFSELECTCOMBO, CB_SETITEMDATA, cur, i);
cur++;
/* Count device effects and then store them */
joy->num_effects = 0;
joy->effects = NULL;
IDirectInputDevice8_EnumEffects(joy->device, ff_effects_callback, (void *) joy, 0);
joy->effects = HeapAlloc(GetProcessHeap(), 0, sizeof(struct Effect) * joy->num_effects);
joy->cur_effect = 0;
IDirectInputDevice8_EnumEffects(joy->device, ff_effects_callback, (void*) joy, 0);
joy->num_effects = joy->cur_effect;
}
}
draw_ff_axis(hwnd, data);
return TRUE;
}
case WM_COMMAND:
switch(wparam)
{
case MAKEWPARAM(IDC_FFSELECTCOMBO, CBN_SELCHANGE):
ff_handle_joychange(hwnd, data);
SendDlgItemMessageW(hwnd, IDC_FFEFFECTLIST, LB_SETCURSEL, 0, 0);
ff_handle_effectchange(hwnd, &data->joysticks[data->chosen_joystick]);
break;
case MAKEWPARAM(IDC_FFEFFECTLIST, LBN_SELCHANGE):
ff_handle_effectchange(hwnd, &data->joysticks[data->chosen_joystick]);
break;
}
return TRUE;
case WM_NOTIFY:
switch(((LPNMHDR)lparam)->code)
{
case PSN_SETACTIVE:
if (data->num_ff > 0)
{
DWORD tid;
data->stop = FALSE;
/* Set the first joystick as default */
SendDlgItemMessageW(hwnd, IDC_FFSELECTCOMBO, CB_SETCURSEL, 0, 0);
ff_handle_joychange(hwnd, data);
SendDlgItemMessageW(hwnd, IDC_FFEFFECTLIST, LB_SETCURSEL, 0, 0);
ff_handle_effectchange(hwnd, &data->joysticks[data->chosen_joystick]);
thread = CreateThread(NULL, 0, ff_input_thread, (void*) data, 0, &tid);
}
break;
case PSN_RESET: /* intentional fall-through */
case PSN_KILLACTIVE:
/* Stop ff thread */
data->stop = TRUE;
MsgWaitForMultipleObjects(1, &thread, FALSE, INFINITE, 0);
CloseHandle(thread);
break;
}
return TRUE;
}
return FALSE;
}
/*
* Opens the haptic device from the file descriptor.
*
* Steps:
* - Set cooperative level.
* - Set data format.
* - Acquire exclusiveness.
* - Reset actuators.
* - Get supported features.
*/
static int
SDL_SYS_HapticOpenFromDevice8(SDL_Haptic * haptic,
LPDIRECTINPUTDEVICE8 device8, SDL_bool is_joystick)
{
HRESULT ret;
DIPROPDWORD dipdw;
/* Allocate the hwdata */
haptic->hwdata = (struct haptic_hwdata *)SDL_malloc(sizeof(*haptic->hwdata));
if (haptic->hwdata == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
/* We'll use the device8 from now on. */
haptic->hwdata->device = device8;
haptic->hwdata->is_joystick = is_joystick;
/* Grab it exclusively to use force feedback stuff. */
ret = IDirectInputDevice8_SetCooperativeLevel(haptic->hwdata->device,
SDL_HelperWindow,
DISCL_EXCLUSIVE |
DISCL_BACKGROUND);
if (FAILED(ret)) {
DI_SetError("Setting cooperative level to exclusive", ret);
goto acquire_err;
}
/* Set data format. */
ret = IDirectInputDevice8_SetDataFormat(haptic->hwdata->device,
&c_dfDIJoystick2);
if (FAILED(ret)) {
DI_SetError("Setting data format", ret);
goto acquire_err;
}
/* Get number of axes. */
ret = IDirectInputDevice8_EnumObjects(haptic->hwdata->device,
DI_DeviceObjectCallback,
haptic, DIDFT_AXIS);
if (FAILED(ret)) {
DI_SetError("Getting device axes", ret);
goto acquire_err;
}
/* Acquire the device. */
ret = IDirectInputDevice8_Acquire(haptic->hwdata->device);
if (FAILED(ret)) {
DI_SetError("Acquiring DirectInput device", ret);
goto acquire_err;
}
/* Reset all actuators - just in case. */
ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
DISFFC_RESET);
if (FAILED(ret)) {
DI_SetError("Resetting device", ret);
goto acquire_err;
}
/* Enabling actuators. */
ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
DISFFC_SETACTUATORSON);
if (FAILED(ret)) {
DI_SetError("Enabling actuators", ret);
goto acquire_err;
}
/* Get supported effects. */
ret = IDirectInputDevice8_EnumEffects(haptic->hwdata->device,
DI_EffectCallback, haptic,
DIEFT_ALL);
if (FAILED(ret)) {
DI_SetError("Enumerating supported effects", ret);
goto acquire_err;
}
if (haptic->supported == 0) { /* Error since device supports nothing. */
SDL_SetError("Haptic: Internal error on finding supported effects.");
goto acquire_err;
}
/* Check autogain and autocenter. */
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = 10000;
ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device,
DIPROP_FFGAIN, &dipdw.diph);
if (!FAILED(ret)) { /* Gain is supported. */
haptic->supported |= SDL_HAPTIC_GAIN;
}
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = DIPROPAUTOCENTER_OFF;
ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device,
DIPROP_AUTOCENTER, &dipdw.diph);
if (!FAILED(ret)) { /* Autocenter is supported. */
haptic->supported |= SDL_HAPTIC_AUTOCENTER;
}
/* Status is always supported. */
haptic->supported |= SDL_HAPTIC_STATUS | SDL_HAPTIC_PAUSE;
/* Check maximum effects. */
haptic->neffects = 128; /* This is not actually supported as thus under windows,
there is no way to tell the number of EFFECTS that a
device can hold, so we'll just use a "random" number
instead and put warnings in SDL_haptic.h */
haptic->nplaying = 128; /* Even more impossible to get this then neffects. */
/* Prepare effects memory. */
haptic->effects = (struct haptic_effect *)
SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
if (haptic->effects == NULL) {
SDL_OutOfMemory();
goto acquire_err;
}
/* Clear the memory */
SDL_memset(haptic->effects, 0,
sizeof(struct haptic_effect) * haptic->neffects);
return 0;
/* Error handling */
acquire_err:
IDirectInputDevice8_Unacquire(haptic->hwdata->device);
return -1;
}
