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Diffstat (limited to '3rdparty/SDL2/src/haptic/windows/SDL_dinputhaptic.c')
-rw-r--r--3rdparty/SDL2/src/haptic/windows/SDL_dinputhaptic.c1300
1 files changed, 1300 insertions, 0 deletions
diff --git a/3rdparty/SDL2/src/haptic/windows/SDL_dinputhaptic.c b/3rdparty/SDL2/src/haptic/windows/SDL_dinputhaptic.c
new file mode 100644
index 00000000000..c51470dd5a3
--- /dev/null
+++ b/3rdparty/SDL2/src/haptic/windows/SDL_dinputhaptic.c
@@ -0,0 +1,1300 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#include "SDL_error.h"
+#include "SDL_haptic.h"
+#include "../SDL_syshaptic.h"
+
+#if SDL_HAPTIC_DINPUT
+
+#include "SDL_stdinc.h"
+#include "SDL_timer.h"
+#include "SDL_windowshaptic_c.h"
+#include "SDL_dinputhaptic_c.h"
+#include "../../joystick/windows/SDL_windowsjoystick_c.h"
+
+/*
+ * External stuff.
+ */
+extern HWND SDL_HelperWindow;
+
+
+/*
+ * Internal stuff.
+ */
+static SDL_bool coinitialized = SDL_FALSE;
+static LPDIRECTINPUT8 dinput = NULL;
+
+
+/*
+ * Like SDL_SetError but for DX error codes.
+ */
+static int
+DI_SetError(const char *str, HRESULT err)
+{
+ /*
+ SDL_SetError("Haptic: %s - %s: %s", str,
+ DXGetErrorString8A(err), DXGetErrorDescription8A(err));
+ */
+ return SDL_SetError("Haptic error %s", str);
+}
+
+/*
+ * Checks to see if two GUID are the same.
+ */
+static int
+DI_GUIDIsSame(const GUID * a, const GUID * b)
+{
+ return (SDL_memcmp(a, b, sizeof (GUID)) == 0);
+}
+
+/*
+ * Callback to find the haptic devices.
+ */
+static BOOL CALLBACK
+EnumHapticsCallback(const DIDEVICEINSTANCE * pdidInstance, VOID * pContext)
+{
+ (void) pContext;
+ SDL_DINPUT_MaybeAddDevice(pdidInstance);
+ return DIENUM_CONTINUE; /* continue enumerating */
+}
+
+int
+SDL_DINPUT_HapticInit(void)
+{
+ HRESULT ret;
+ HINSTANCE instance;
+
+ if (dinput != NULL) { /* Already open. */
+ return SDL_SetError("Haptic: SubSystem already open.");
+ }
+
+ ret = WIN_CoInitialize();
+ if (FAILED(ret)) {
+ return DI_SetError("Coinitialize", ret);
+ }
+
+ coinitialized = SDL_TRUE;
+
+ ret = CoCreateInstance(&CLSID_DirectInput8, NULL, CLSCTX_INPROC_SERVER,
+ &IID_IDirectInput8, (LPVOID)& dinput);
+ if (FAILED(ret)) {
+ SDL_SYS_HapticQuit();
+ return DI_SetError("CoCreateInstance", ret);
+ }
+
+ /* Because we used CoCreateInstance, we need to Initialize it, first. */
+ instance = GetModuleHandle(NULL);
+ if (instance == NULL) {
+ SDL_SYS_HapticQuit();
+ return SDL_SetError("GetModuleHandle() failed with error code %lu.",
+ GetLastError());
+ }
+ ret = IDirectInput8_Initialize(dinput, instance, DIRECTINPUT_VERSION);
+ if (FAILED(ret)) {
+ SDL_SYS_HapticQuit();
+ return DI_SetError("Initializing DirectInput device", ret);
+ }
+
+ /* Look for haptic devices. */
+ ret = IDirectInput8_EnumDevices(dinput,
+ 0,
+ EnumHapticsCallback,
+ NULL,
+ DIEDFL_FORCEFEEDBACK |
+ DIEDFL_ATTACHEDONLY);
+ if (FAILED(ret)) {
+ SDL_SYS_HapticQuit();
+ return DI_SetError("Enumerating DirectInput devices", ret);
+ }
+ return 0;
+}
+
+int
+SDL_DINPUT_MaybeAddDevice(const DIDEVICEINSTANCE * pdidInstance)
+{
+ HRESULT ret;
+ LPDIRECTINPUTDEVICE8 device;
+ const DWORD needflags = DIDC_ATTACHED | DIDC_FORCEFEEDBACK;
+ DIDEVCAPS capabilities;
+ SDL_hapticlist_item *item = NULL;
+
+ if (dinput == NULL) {
+ return -1; /* not initialized. We'll pick these up on enumeration if we init later. */
+ }
+
+ /* Make sure we don't already have it */
+ for (item = SDL_hapticlist; item; item = item->next) {
+ if ((!item->bXInputHaptic) && (SDL_memcmp(&item->instance, pdidInstance, sizeof(*pdidInstance)) == 0)) {
+ return -1; /* Already added */
+ }
+ }
+
+ /* Open the device */
+ ret = IDirectInput8_CreateDevice(dinput, &pdidInstance->guidInstance, &device, NULL);
+ if (FAILED(ret)) {
+ /* DI_SetError("Creating DirectInput device",ret); */
+ return -1;
+ }
+
+ /* Get capabilities. */
+ SDL_zero(capabilities);
+ capabilities.dwSize = sizeof(DIDEVCAPS);
+ ret = IDirectInputDevice8_GetCapabilities(device, &capabilities);
+ IDirectInputDevice8_Release(device);
+ if (FAILED(ret)) {
+ /* DI_SetError("Getting device capabilities",ret); */
+ return -1;
+ }
+
+ if ((capabilities.dwFlags & needflags) != needflags) {
+ return -1; /* not a device we can use. */
+ }
+
+ item = (SDL_hapticlist_item *)SDL_calloc(1, sizeof(SDL_hapticlist_item));
+ if (item == NULL) {
+ return SDL_OutOfMemory();
+ }
+
+ item->name = WIN_StringToUTF8(pdidInstance->tszProductName);
+ if (!item->name) {
+ SDL_free(item);
+ return -1;
+ }
+
+ /* Copy the instance over, useful for creating devices. */
+ SDL_memcpy(&item->instance, pdidInstance, sizeof(DIDEVICEINSTANCE));
+ SDL_memcpy(&item->capabilities, &capabilities, sizeof(capabilities));
+
+ return SDL_SYS_AddHapticDevice(item);
+}
+
+int
+SDL_DINPUT_MaybeRemoveDevice(const DIDEVICEINSTANCE * pdidInstance)
+{
+ SDL_hapticlist_item *item;
+ SDL_hapticlist_item *prev = NULL;
+
+ if (dinput == NULL) {
+ return -1; /* not initialized, ignore this. */
+ }
+
+ for (item = SDL_hapticlist; item != NULL; item = item->next) {
+ if (!item->bXInputHaptic && SDL_memcmp(&item->instance, pdidInstance, sizeof(*pdidInstance)) == 0) {
+ /* found it, remove it. */
+ return SDL_SYS_RemoveHapticDevice(prev, item);
+ }
+ prev = item;
+ }
+ return -1;
+}
+
+/*
+ * Callback to get supported axes.
+ */
+static BOOL CALLBACK
+DI_DeviceObjectCallback(LPCDIDEVICEOBJECTINSTANCE dev, LPVOID pvRef)
+{
+ SDL_Haptic *haptic = (SDL_Haptic *) pvRef;
+
+ if ((dev->dwType & DIDFT_AXIS) && (dev->dwFlags & DIDOI_FFACTUATOR)) {
+ const GUID *guid = &dev->guidType;
+ DWORD offset = 0;
+ if (DI_GUIDIsSame(guid, &GUID_XAxis)) {
+ offset = DIJOFS_X;
+ } else if (DI_GUIDIsSame(guid, &GUID_YAxis)) {
+ offset = DIJOFS_Y;
+ } else if (DI_GUIDIsSame(guid, &GUID_ZAxis)) {
+ offset = DIJOFS_Z;
+ } else if (DI_GUIDIsSame(guid, &GUID_RxAxis)) {
+ offset = DIJOFS_RX;
+ } else if (DI_GUIDIsSame(guid, &GUID_RyAxis)) {
+ offset = DIJOFS_RY;
+ } else if (DI_GUIDIsSame(guid, &GUID_RzAxis)) {
+ offset = DIJOFS_RZ;
+ } else {
+ return DIENUM_CONTINUE; /* can't use this, go on. */
+ }
+
+ haptic->hwdata->axes[haptic->naxes] = offset;
+ haptic->naxes++;
+
+ /* Currently using the artificial limit of 3 axes. */
+ if (haptic->naxes >= 3) {
+ return DIENUM_STOP;
+ }
+ }
+
+ return DIENUM_CONTINUE;
+}
+
+/*
+ * Callback to get all supported effects.
+ */
+#define EFFECT_TEST(e,s) \
+if (DI_GUIDIsSame(&pei->guid, &(e))) \
+ haptic->supported |= (s)
+static BOOL CALLBACK
+DI_EffectCallback(LPCDIEFFECTINFO pei, LPVOID pv)
+{
+ /* Prepare the haptic device. */
+ SDL_Haptic *haptic = (SDL_Haptic *) pv;
+
+ /* Get supported. */
+ EFFECT_TEST(GUID_Spring, SDL_HAPTIC_SPRING);
+ EFFECT_TEST(GUID_Damper, SDL_HAPTIC_DAMPER);
+ EFFECT_TEST(GUID_Inertia, SDL_HAPTIC_INERTIA);
+ EFFECT_TEST(GUID_Friction, SDL_HAPTIC_FRICTION);
+ EFFECT_TEST(GUID_ConstantForce, SDL_HAPTIC_CONSTANT);
+ EFFECT_TEST(GUID_CustomForce, SDL_HAPTIC_CUSTOM);
+ EFFECT_TEST(GUID_Sine, SDL_HAPTIC_SINE);
+ /* !!! FIXME: put this back when we have more bits in 2.1 */
+ /* EFFECT_TEST(GUID_Square, SDL_HAPTIC_SQUARE); */
+ EFFECT_TEST(GUID_Triangle, SDL_HAPTIC_TRIANGLE);
+ EFFECT_TEST(GUID_SawtoothUp, SDL_HAPTIC_SAWTOOTHUP);
+ EFFECT_TEST(GUID_SawtoothDown, SDL_HAPTIC_SAWTOOTHDOWN);
+ EFFECT_TEST(GUID_RampForce, SDL_HAPTIC_RAMP);
+
+ /* Check for more. */
+ return DIENUM_CONTINUE;
+}
+
+/*
+ * Opens the haptic device.
+ *
+ * Steps:
+ * - Set cooperative level.
+ * - Set data format.
+ * - Acquire exclusiveness.
+ * - Reset actuators.
+ * - Get supported features.
+ */
+static int
+SDL_DINPUT_HapticOpenFromDevice(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;
+
+ /* !!! FIXME: opening a haptic device here first will make an attempt to
+ !!! FIXME: SDL_JoystickOpen() that same device fail later, since we
+ !!! FIXME: have it open in exclusive mode. But this will allow
+ !!! FIXME: SDL_JoystickOpen() followed by SDL_HapticOpenFromJoystick()
+ !!! FIXME: to work, and that's probably the common case. Still,
+ !!! FIXME: ideally, We need to unify the opening code. */
+
+ if (!is_joystick) { /* if is_joystick, we already set this up elsewhere. */
+ /* 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;
+}
+
+int
+SDL_DINPUT_HapticOpen(SDL_Haptic * haptic, SDL_hapticlist_item *item)
+{
+ HRESULT ret;
+ LPDIRECTINPUTDEVICE8 device;
+ LPDIRECTINPUTDEVICE8 device8;
+
+ /* Open the device */
+ ret = IDirectInput8_CreateDevice(dinput, &item->instance.guidInstance,
+ &device, NULL);
+ if (FAILED(ret)) {
+ DI_SetError("Creating DirectInput device", ret);
+ return -1;
+ }
+
+ /* Now get the IDirectInputDevice8 interface, instead. */
+ ret = IDirectInputDevice8_QueryInterface(device,
+ &IID_IDirectInputDevice8,
+ (LPVOID *)&device8);
+ /* Done with the temporary one now. */
+ IDirectInputDevice8_Release(device);
+ if (FAILED(ret)) {
+ DI_SetError("Querying DirectInput interface", ret);
+ return -1;
+ }
+
+ if (SDL_DINPUT_HapticOpenFromDevice(haptic, device8, SDL_FALSE) < 0) {
+ IDirectInputDevice8_Release(device8);
+ return -1;
+ }
+ return 0;
+}
+
+int
+SDL_DINPUT_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
+{
+ HRESULT ret;
+ DIDEVICEINSTANCE hap_instance, joy_instance;
+
+ hap_instance.dwSize = sizeof(DIDEVICEINSTANCE);
+ joy_instance.dwSize = sizeof(DIDEVICEINSTANCE);
+
+ /* Get the device instances. */
+ ret = IDirectInputDevice8_GetDeviceInfo(haptic->hwdata->device,
+ &hap_instance);
+ if (FAILED(ret)) {
+ return 0;
+ }
+ ret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice,
+ &joy_instance);
+ if (FAILED(ret)) {
+ return 0;
+ }
+
+ return DI_GUIDIsSame(&hap_instance.guidInstance, &joy_instance.guidInstance);
+}
+
+int
+SDL_DINPUT_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
+{
+ SDL_hapticlist_item *item;
+ int index = 0;
+ HRESULT ret;
+ DIDEVICEINSTANCE joy_instance;
+
+ joy_instance.dwSize = sizeof(DIDEVICEINSTANCE);
+ ret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice, &joy_instance);
+ if (FAILED(ret)) {
+ return -1;
+ }
+
+ /* Since it comes from a joystick we have to try to match it with a haptic device on our haptic list. */
+ for (item = SDL_hapticlist; item != NULL; item = item->next) {
+ if (!item->bXInputHaptic && DI_GUIDIsSame(&item->instance.guidInstance, &joy_instance.guidInstance)) {
+ haptic->index = index;
+ return SDL_DINPUT_HapticOpenFromDevice(haptic, joystick->hwdata->InputDevice, SDL_TRUE);
+ }
+ ++index;
+ }
+
+ SDL_SetError("Couldn't find joystick in haptic device list");
+ return -1;
+}
+
+void
+SDL_DINPUT_HapticClose(SDL_Haptic * haptic)
+{
+ IDirectInputDevice8_Unacquire(haptic->hwdata->device);
+
+ /* Only release if isn't grabbed by a joystick. */
+ if (haptic->hwdata->is_joystick == 0) {
+ IDirectInputDevice8_Release(haptic->hwdata->device);
+ }
+}
+
+void
+SDL_DINPUT_HapticQuit(void)
+{
+ if (dinput != NULL) {
+ IDirectInput8_Release(dinput);
+ dinput = NULL;
+ }
+
+ if (coinitialized) {
+ WIN_CoUninitialize();
+ coinitialized = SDL_FALSE;
+ }
+}
+
+/*
+ * Converts an SDL trigger button to an DIEFFECT trigger button.
+ */
+static DWORD
+DIGetTriggerButton(Uint16 button)
+{
+ DWORD dwTriggerButton;
+
+ dwTriggerButton = DIEB_NOTRIGGER;
+
+ if (button != 0) {
+ dwTriggerButton = DIJOFS_BUTTON(button - 1);
+ }
+
+ return dwTriggerButton;
+}
+
+
+/*
+ * Sets the direction.
+ */
+static int
+SDL_SYS_SetDirection(DIEFFECT * effect, SDL_HapticDirection * dir, int naxes)
+{
+ LONG *rglDir;
+
+ /* Handle no axes a part. */
+ if (naxes == 0) {
+ effect->dwFlags |= DIEFF_SPHERICAL; /* Set as default. */
+ effect->rglDirection = NULL;
+ return 0;
+ }
+
+ /* Has axes. */
+ rglDir = SDL_malloc(sizeof(LONG) * naxes);
+ if (rglDir == NULL) {
+ return SDL_OutOfMemory();
+ }
+ SDL_memset(rglDir, 0, sizeof(LONG) * naxes);
+ effect->rglDirection = rglDir;
+
+ switch (dir->type) {
+ case SDL_HAPTIC_POLAR:
+ effect->dwFlags |= DIEFF_POLAR;
+ rglDir[0] = dir->dir[0];
+ return 0;
+ case SDL_HAPTIC_CARTESIAN:
+ effect->dwFlags |= DIEFF_CARTESIAN;
+ rglDir[0] = dir->dir[0];
+ if (naxes > 1)
+ rglDir[1] = dir->dir[1];
+ if (naxes > 2)
+ rglDir[2] = dir->dir[2];
+ return 0;
+ case SDL_HAPTIC_SPHERICAL:
+ effect->dwFlags |= DIEFF_SPHERICAL;
+ rglDir[0] = dir->dir[0];
+ if (naxes > 1)
+ rglDir[1] = dir->dir[1];
+ if (naxes > 2)
+ rglDir[2] = dir->dir[2];
+ return 0;
+
+ default:
+ return SDL_SetError("Haptic: Unknown direction type.");
+ }
+}
+
+/* Clamps and converts. */
+#define CCONVERT(x) (((x) > 0x7FFF) ? 10000 : ((x)*10000) / 0x7FFF)
+/* Just converts. */
+#define CONVERT(x) (((x)*10000) / 0x7FFF)
+/*
+ * Creates the DIEFFECT from a SDL_HapticEffect.
+ */
+static int
+SDL_SYS_ToDIEFFECT(SDL_Haptic * haptic, DIEFFECT * dest,
+ SDL_HapticEffect * src)
+{
+ int i;
+ DICONSTANTFORCE *constant;
+ DIPERIODIC *periodic;
+ DICONDITION *condition; /* Actually an array of conditions - one per axis. */
+ DIRAMPFORCE *ramp;
+ DICUSTOMFORCE *custom;
+ DIENVELOPE *envelope;
+ SDL_HapticConstant *hap_constant;
+ SDL_HapticPeriodic *hap_periodic;
+ SDL_HapticCondition *hap_condition;
+ SDL_HapticRamp *hap_ramp;
+ SDL_HapticCustom *hap_custom;
+ DWORD *axes;
+
+ /* Set global stuff. */
+ SDL_memset(dest, 0, sizeof(DIEFFECT));
+ dest->dwSize = sizeof(DIEFFECT); /* Set the structure size. */
+ dest->dwSamplePeriod = 0; /* Not used by us. */
+ dest->dwGain = 10000; /* Gain is set globally, not locally. */
+ dest->dwFlags = DIEFF_OBJECTOFFSETS; /* Seems obligatory. */
+
+ /* Envelope. */
+ envelope = SDL_malloc(sizeof(DIENVELOPE));
+ if (envelope == NULL) {
+ return SDL_OutOfMemory();
+ }
+ SDL_memset(envelope, 0, sizeof(DIENVELOPE));
+ dest->lpEnvelope = envelope;
+ envelope->dwSize = sizeof(DIENVELOPE); /* Always should be this. */
+
+ /* Axes. */
+ dest->cAxes = haptic->naxes;
+ if (dest->cAxes > 0) {
+ axes = SDL_malloc(sizeof(DWORD) * dest->cAxes);
+ if (axes == NULL) {
+ return SDL_OutOfMemory();
+ }
+ axes[0] = haptic->hwdata->axes[0]; /* Always at least one axis. */
+ if (dest->cAxes > 1) {
+ axes[1] = haptic->hwdata->axes[1];
+ }
+ if (dest->cAxes > 2) {
+ axes[2] = haptic->hwdata->axes[2];
+ }
+ dest->rgdwAxes = axes;
+ }
+
+ /* The big type handling switch, even bigger than Linux's version. */
+ switch (src->type) {
+ case SDL_HAPTIC_CONSTANT:
+ hap_constant = &src->constant;
+ constant = SDL_malloc(sizeof(DICONSTANTFORCE));
+ if (constant == NULL) {
+ return SDL_OutOfMemory();
+ }
+ SDL_memset(constant, 0, sizeof(DICONSTANTFORCE));
+
+ /* Specifics */
+ constant->lMagnitude = CONVERT(hap_constant->level);
+ dest->cbTypeSpecificParams = sizeof(DICONSTANTFORCE);
+ dest->lpvTypeSpecificParams = constant;
+
+ /* Generics */
+ dest->dwDuration = hap_constant->length * 1000; /* In microseconds. */
+ dest->dwTriggerButton = DIGetTriggerButton(hap_constant->button);
+ dest->dwTriggerRepeatInterval = hap_constant->interval;
+ dest->dwStartDelay = hap_constant->delay * 1000; /* In microseconds. */
+
+ /* Direction. */
+ if (SDL_SYS_SetDirection(dest, &hap_constant->direction, dest->cAxes) < 0) {
+ return -1;
+ }
+
+ /* Envelope */
+ if ((hap_constant->attack_length == 0)
+ && (hap_constant->fade_length == 0)) {
+ SDL_free(dest->lpEnvelope);
+ dest->lpEnvelope = NULL;
+ } else {
+ envelope->dwAttackLevel = CCONVERT(hap_constant->attack_level);
+ envelope->dwAttackTime = hap_constant->attack_length * 1000;
+ envelope->dwFadeLevel = CCONVERT(hap_constant->fade_level);
+ envelope->dwFadeTime = hap_constant->fade_length * 1000;
+ }
+
+ break;
+
+ case SDL_HAPTIC_SINE:
+ /* !!! FIXME: put this back when we have more bits in 2.1 */
+ /* case SDL_HAPTIC_SQUARE: */
+ case SDL_HAPTIC_TRIANGLE:
+ case SDL_HAPTIC_SAWTOOTHUP:
+ case SDL_HAPTIC_SAWTOOTHDOWN:
+ hap_periodic = &src->periodic;
+ periodic = SDL_malloc(sizeof(DIPERIODIC));
+ if (periodic == NULL) {
+ return SDL_OutOfMemory();
+ }
+ SDL_memset(periodic, 0, sizeof(DIPERIODIC));
+
+ /* Specifics */
+ periodic->dwMagnitude = CONVERT(SDL_abs(hap_periodic->magnitude));
+ periodic->lOffset = CONVERT(hap_periodic->offset);
+ periodic->dwPhase =
+ (hap_periodic->phase + (hap_periodic->magnitude < 0 ? 18000 : 0)) % 36000;
+ periodic->dwPeriod = hap_periodic->period * 1000;
+ dest->cbTypeSpecificParams = sizeof(DIPERIODIC);
+ dest->lpvTypeSpecificParams = periodic;
+
+ /* Generics */
+ dest->dwDuration = hap_periodic->length * 1000; /* In microseconds. */
+ dest->dwTriggerButton = DIGetTriggerButton(hap_periodic->button);
+ dest->dwTriggerRepeatInterval = hap_periodic->interval;
+ dest->dwStartDelay = hap_periodic->delay * 1000; /* In microseconds. */
+
+ /* Direction. */
+ if (SDL_SYS_SetDirection(dest, &hap_periodic->direction, dest->cAxes)
+ < 0) {
+ return -1;
+ }
+
+ /* Envelope */
+ if ((hap_periodic->attack_length == 0)
+ && (hap_periodic->fade_length == 0)) {
+ SDL_free(dest->lpEnvelope);
+ dest->lpEnvelope = NULL;
+ } else {
+ envelope->dwAttackLevel = CCONVERT(hap_periodic->attack_level);
+ envelope->dwAttackTime = hap_periodic->attack_length * 1000;
+ envelope->dwFadeLevel = CCONVERT(hap_periodic->fade_level);
+ envelope->dwFadeTime = hap_periodic->fade_length * 1000;
+ }
+
+ break;
+
+ case SDL_HAPTIC_SPRING:
+ case SDL_HAPTIC_DAMPER:
+ case SDL_HAPTIC_INERTIA:
+ case SDL_HAPTIC_FRICTION:
+ hap_condition = &src->condition;
+ condition = SDL_malloc(sizeof(DICONDITION) * dest->cAxes);
+ if (condition == NULL) {
+ return SDL_OutOfMemory();
+ }
+ SDL_memset(condition, 0, sizeof(DICONDITION));
+
+ /* Specifics */
+ for (i = 0; i < (int) dest->cAxes; i++) {
+ condition[i].lOffset = CONVERT(hap_condition->center[i]);
+ condition[i].lPositiveCoefficient =
+ CONVERT(hap_condition->right_coeff[i]);
+ condition[i].lNegativeCoefficient =
+ CONVERT(hap_condition->left_coeff[i]);
+ condition[i].dwPositiveSaturation =
+ CCONVERT(hap_condition->right_sat[i] / 2);
+ condition[i].dwNegativeSaturation =
+ CCONVERT(hap_condition->left_sat[i] / 2);
+ condition[i].lDeadBand = CCONVERT(hap_condition->deadband[i] / 2);
+ }
+ dest->cbTypeSpecificParams = sizeof(DICONDITION) * dest->cAxes;
+ dest->lpvTypeSpecificParams = condition;
+
+ /* Generics */
+ dest->dwDuration = hap_condition->length * 1000; /* In microseconds. */
+ dest->dwTriggerButton = DIGetTriggerButton(hap_condition->button);
+ dest->dwTriggerRepeatInterval = hap_condition->interval;
+ dest->dwStartDelay = hap_condition->delay * 1000; /* In microseconds. */
+
+ /* Direction. */
+ if (SDL_SYS_SetDirection(dest, &hap_condition->direction, dest->cAxes)
+ < 0) {
+ return -1;
+ }
+
+ /* Envelope - Not actually supported by most CONDITION implementations. */
+ SDL_free(dest->lpEnvelope);
+ dest->lpEnvelope = NULL;
+
+ break;
+
+ case SDL_HAPTIC_RAMP:
+ hap_ramp = &src->ramp;
+ ramp = SDL_malloc(sizeof(DIRAMPFORCE));
+ if (ramp == NULL) {
+ return SDL_OutOfMemory();
+ }
+ SDL_memset(ramp, 0, sizeof(DIRAMPFORCE));
+
+ /* Specifics */
+ ramp->lStart = CONVERT(hap_ramp->start);
+ ramp->lEnd = CONVERT(hap_ramp->end);
+ dest->cbTypeSpecificParams = sizeof(DIRAMPFORCE);
+ dest->lpvTypeSpecificParams = ramp;
+
+ /* Generics */
+ dest->dwDuration = hap_ramp->length * 1000; /* In microseconds. */
+ dest->dwTriggerButton = DIGetTriggerButton(hap_ramp->button);
+ dest->dwTriggerRepeatInterval = hap_ramp->interval;
+ dest->dwStartDelay = hap_ramp->delay * 1000; /* In microseconds. */
+
+ /* Direction. */
+ if (SDL_SYS_SetDirection(dest, &hap_ramp->direction, dest->cAxes) < 0) {
+ return -1;
+ }
+
+ /* Envelope */
+ if ((hap_ramp->attack_length == 0) && (hap_ramp->fade_length == 0)) {
+ SDL_free(dest->lpEnvelope);
+ dest->lpEnvelope = NULL;
+ } else {
+ envelope->dwAttackLevel = CCONVERT(hap_ramp->attack_level);
+ envelope->dwAttackTime = hap_ramp->attack_length * 1000;
+ envelope->dwFadeLevel = CCONVERT(hap_ramp->fade_level);
+ envelope->dwFadeTime = hap_ramp->fade_length * 1000;
+ }
+
+ break;
+
+ case SDL_HAPTIC_CUSTOM:
+ hap_custom = &src->custom;
+ custom = SDL_malloc(sizeof(DICUSTOMFORCE));
+ if (custom == NULL) {
+ return SDL_OutOfMemory();
+ }
+ SDL_memset(custom, 0, sizeof(DICUSTOMFORCE));
+
+ /* Specifics */
+ custom->cChannels = hap_custom->channels;
+ custom->dwSamplePeriod = hap_custom->period * 1000;
+ custom->cSamples = hap_custom->samples;
+ custom->rglForceData =
+ SDL_malloc(sizeof(LONG) * custom->cSamples * custom->cChannels);
+ for (i = 0; i < hap_custom->samples * hap_custom->channels; i++) { /* Copy data. */
+ custom->rglForceData[i] = CCONVERT(hap_custom->data[i]);
+ }
+ dest->cbTypeSpecificParams = sizeof(DICUSTOMFORCE);
+ dest->lpvTypeSpecificParams = custom;
+
+ /* Generics */
+ dest->dwDuration = hap_custom->length * 1000; /* In microseconds. */
+ dest->dwTriggerButton = DIGetTriggerButton(hap_custom->button);
+ dest->dwTriggerRepeatInterval = hap_custom->interval;
+ dest->dwStartDelay = hap_custom->delay * 1000; /* In microseconds. */
+
+ /* Direction. */
+ if (SDL_SYS_SetDirection(dest, &hap_custom->direction, dest->cAxes) < 0) {
+ return -1;
+ }
+
+ /* Envelope */
+ if ((hap_custom->attack_length == 0)
+ && (hap_custom->fade_length == 0)) {
+ SDL_free(dest->lpEnvelope);
+ dest->lpEnvelope = NULL;
+ } else {
+ envelope->dwAttackLevel = CCONVERT(hap_custom->attack_level);
+ envelope->dwAttackTime = hap_custom->attack_length * 1000;
+ envelope->dwFadeLevel = CCONVERT(hap_custom->fade_level);
+ envelope->dwFadeTime = hap_custom->fade_length * 1000;
+ }
+
+ break;
+
+ default:
+ return SDL_SetError("Haptic: Unknown effect type.");
+ }
+
+ return 0;
+}
+
+
+/*
+ * Frees an DIEFFECT allocated by SDL_SYS_ToDIEFFECT.
+ */
+static void
+SDL_SYS_HapticFreeDIEFFECT(DIEFFECT * effect, int type)
+{
+ DICUSTOMFORCE *custom;
+
+ SDL_free(effect->lpEnvelope);
+ effect->lpEnvelope = NULL;
+ SDL_free(effect->rgdwAxes);
+ effect->rgdwAxes = NULL;
+ if (effect->lpvTypeSpecificParams != NULL) {
+ if (type == SDL_HAPTIC_CUSTOM) { /* Must free the custom data. */
+ custom = (DICUSTOMFORCE *) effect->lpvTypeSpecificParams;
+ SDL_free(custom->rglForceData);
+ custom->rglForceData = NULL;
+ }
+ SDL_free(effect->lpvTypeSpecificParams);
+ effect->lpvTypeSpecificParams = NULL;
+ }
+ SDL_free(effect->rglDirection);
+ effect->rglDirection = NULL;
+}
+
+/*
+ * Gets the effect type from the generic SDL haptic effect wrapper.
+ */
+static REFGUID
+SDL_SYS_HapticEffectType(SDL_HapticEffect * effect)
+{
+ switch (effect->type) {
+ case SDL_HAPTIC_CONSTANT:
+ return &GUID_ConstantForce;
+
+ case SDL_HAPTIC_RAMP:
+ return &GUID_RampForce;
+
+ /* !!! FIXME: put this back when we have more bits in 2.1 */
+ /* case SDL_HAPTIC_SQUARE:
+ return &GUID_Square; */
+
+ case SDL_HAPTIC_SINE:
+ return &GUID_Sine;
+
+ case SDL_HAPTIC_TRIANGLE:
+ return &GUID_Triangle;
+
+ case SDL_HAPTIC_SAWTOOTHUP:
+ return &GUID_SawtoothUp;
+
+ case SDL_HAPTIC_SAWTOOTHDOWN:
+ return &GUID_SawtoothDown;
+
+ case SDL_HAPTIC_SPRING:
+ return &GUID_Spring;
+
+ case SDL_HAPTIC_DAMPER:
+ return &GUID_Damper;
+
+ case SDL_HAPTIC_INERTIA:
+ return &GUID_Inertia;
+
+ case SDL_HAPTIC_FRICTION:
+ return &GUID_Friction;
+
+ case SDL_HAPTIC_CUSTOM:
+ return &GUID_CustomForce;
+
+ default:
+ return NULL;
+ }
+}
+int
+SDL_DINPUT_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect, SDL_HapticEffect * base)
+{
+ HRESULT ret;
+ REFGUID type = SDL_SYS_HapticEffectType(base);
+
+ if (type == NULL) {
+ SDL_SetError("Haptic: Unknown effect type.");
+ return -1;
+ }
+
+ /* Get the effect. */
+ if (SDL_SYS_ToDIEFFECT(haptic, &effect->hweffect->effect, base) < 0) {
+ goto err_effectdone;
+ }
+
+ /* Create the actual effect. */
+ ret = IDirectInputDevice8_CreateEffect(haptic->hwdata->device, type,
+ &effect->hweffect->effect,
+ &effect->hweffect->ref, NULL);
+ if (FAILED(ret)) {
+ DI_SetError("Unable to create effect", ret);
+ goto err_effectdone;
+ }
+
+ return 0;
+
+err_effectdone:
+ SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, base->type);
+ return -1;
+}
+
+int
+SDL_DINPUT_HapticUpdateEffect(SDL_Haptic * haptic, struct haptic_effect *effect, SDL_HapticEffect * data)
+{
+ HRESULT ret;
+ DWORD flags;
+ DIEFFECT temp;
+
+ /* Get the effect. */
+ SDL_memset(&temp, 0, sizeof(DIEFFECT));
+ if (SDL_SYS_ToDIEFFECT(haptic, &temp, data) < 0) {
+ goto err_update;
+ }
+
+ /* Set the flags. Might be worthwhile to diff temp with loaded effect and
+ * only change those parameters. */
+ flags = DIEP_DIRECTION |
+ DIEP_DURATION |
+ DIEP_ENVELOPE |
+ DIEP_STARTDELAY |
+ DIEP_TRIGGERBUTTON |
+ DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
+
+ /* Create the actual effect. */
+ ret =
+ IDirectInputEffect_SetParameters(effect->hweffect->ref, &temp, flags);
+ if (FAILED(ret)) {
+ DI_SetError("Unable to update effect", ret);
+ goto err_update;
+ }
+
+ /* Copy it over. */
+ SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, data->type);
+ SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(DIEFFECT));
+
+ return 0;
+
+err_update:
+ SDL_SYS_HapticFreeDIEFFECT(&temp, data->type);
+ return -1;
+}
+
+int
+SDL_DINPUT_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect, Uint32 iterations)
+{
+ HRESULT ret;
+ DWORD iter;
+
+ /* Check if it's infinite. */
+ if (iterations == SDL_HAPTIC_INFINITY) {
+ iter = INFINITE;
+ } else {
+ iter = iterations;
+ }
+
+ /* Run the effect. */
+ ret = IDirectInputEffect_Start(effect->hweffect->ref, iter, 0);
+ if (FAILED(ret)) {
+ return DI_SetError("Running the effect", ret);
+ }
+ return 0;
+}
+
+int
+SDL_DINPUT_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
+{
+ HRESULT ret;
+
+ ret = IDirectInputEffect_Stop(effect->hweffect->ref);
+ if (FAILED(ret)) {
+ return DI_SetError("Unable to stop effect", ret);
+ }
+ return 0;
+}
+
+void
+SDL_DINPUT_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
+{
+ HRESULT ret;
+
+ ret = IDirectInputEffect_Unload(effect->hweffect->ref);
+ if (FAILED(ret)) {
+ DI_SetError("Removing effect from the device", ret);
+ }
+ SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, effect->effect.type);
+}
+
+int
+SDL_DINPUT_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect *effect)
+{
+ HRESULT ret;
+ DWORD status;
+
+ ret = IDirectInputEffect_GetEffectStatus(effect->hweffect->ref, &status);
+ if (FAILED(ret)) {
+ return DI_SetError("Getting effect status", ret);
+ }
+
+ if (status == 0)
+ return SDL_FALSE;
+ return SDL_TRUE;
+}
+
+int
+SDL_DINPUT_HapticSetGain(SDL_Haptic * haptic, int gain)
+{
+ HRESULT ret;
+ DIPROPDWORD dipdw;
+
+ /* Create the weird structure thingy. */
+ dipdw.diph.dwSize = sizeof(DIPROPDWORD);
+ dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
+ dipdw.diph.dwObj = 0;
+ dipdw.diph.dwHow = DIPH_DEVICE;
+ dipdw.dwData = gain * 100; /* 0 to 10,000 */
+
+ /* Try to set the autocenter. */
+ ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device,
+ DIPROP_FFGAIN, &dipdw.diph);
+ if (FAILED(ret)) {
+ return DI_SetError("Setting gain", ret);
+ }
+ return 0;
+}
+
+int
+SDL_DINPUT_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
+{
+ HRESULT ret;
+ DIPROPDWORD dipdw;
+
+ /* Create the weird structure thingy. */
+ dipdw.diph.dwSize = sizeof(DIPROPDWORD);
+ dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
+ dipdw.diph.dwObj = 0;
+ dipdw.diph.dwHow = DIPH_DEVICE;
+ dipdw.dwData = (autocenter == 0) ? DIPROPAUTOCENTER_OFF :
+ DIPROPAUTOCENTER_ON;
+
+ /* Try to set the autocenter. */
+ ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device,
+ DIPROP_AUTOCENTER, &dipdw.diph);
+ if (FAILED(ret)) {
+ return DI_SetError("Setting autocenter", ret);
+ }
+ return 0;
+}
+
+int
+SDL_DINPUT_HapticPause(SDL_Haptic * haptic)
+{
+ HRESULT ret;
+
+ /* Pause the device. */
+ ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
+ DISFFC_PAUSE);
+ if (FAILED(ret)) {
+ return DI_SetError("Pausing the device", ret);
+ }
+ return 0;
+}
+
+int
+SDL_DINPUT_HapticUnpause(SDL_Haptic * haptic)
+{
+ HRESULT ret;
+
+ /* Unpause the device. */
+ ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
+ DISFFC_CONTINUE);
+ if (FAILED(ret)) {
+ return DI_SetError("Pausing the device", ret);
+ }
+ return 0;
+}
+
+int
+SDL_DINPUT_HapticStopAll(SDL_Haptic * haptic)
+{
+ HRESULT ret;
+
+ /* Try to stop the effects. */
+ ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
+ DISFFC_STOPALL);
+ if (FAILED(ret)) {
+ return DI_SetError("Stopping the device", ret);
+ }
+ return 0;
+}
+
+#else /* !SDL_HAPTIC_DINPUT */
+
+typedef struct DIDEVICEINSTANCE DIDEVICEINSTANCE;
+typedef struct SDL_hapticlist_item SDL_hapticlist_item;
+
+int
+SDL_DINPUT_HapticInit(void)
+{
+ return 0;
+}
+
+int
+SDL_DINPUT_MaybeAddDevice(const DIDEVICEINSTANCE * pdidInstance)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_MaybeRemoveDevice(const DIDEVICEINSTANCE * pdidInstance)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticOpen(SDL_Haptic * haptic, SDL_hapticlist_item *item)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
+{
+ return SDL_Unsupported();
+}
+
+void
+SDL_DINPUT_HapticClose(SDL_Haptic * haptic)
+{
+}
+
+void
+SDL_DINPUT_HapticQuit(void)
+{
+}
+
+int
+SDL_DINPUT_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect, SDL_HapticEffect * base)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticUpdateEffect(SDL_Haptic * haptic, struct haptic_effect *effect, SDL_HapticEffect * data)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect, Uint32 iterations)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
+{
+ return SDL_Unsupported();
+}
+
+void
+SDL_DINPUT_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
+{
+}
+
+int
+SDL_DINPUT_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect *effect)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticSetGain(SDL_Haptic * haptic, int gain)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticPause(SDL_Haptic * haptic)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticUnpause(SDL_Haptic * haptic)
+{
+ return SDL_Unsupported();
+}
+
+int
+SDL_DINPUT_HapticStopAll(SDL_Haptic * haptic)
+{
+ return SDL_Unsupported();
+}
+
+#endif /* SDL_HAPTIC_DINPUT */
+
+/* vi: set ts=4 sw=4 expandtab: */