+++ /dev/null
-/* DirectInput Linux Event Device Effect
- *
- * Copyright 2005 Daniel Remenak
- *
- * Thanks to Google's Summer of Code Program (2005)
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#include "config.h"
-
-#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
-
-#include <stdarg.h>
-#include <string.h>
-#ifdef HAVE_LINUX_INPUT_H
-# include <linux/input.h>
-# undef SW_MAX
-#endif
-#include <limits.h>
-#include <errno.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#include <math.h>
-#include "wine/debug.h"
-#include "wine/unicode.h"
-#include "windef.h"
-#include "winbase.h"
-#include "winerror.h"
-#include "dinput.h"
-
-#include "device_private.h"
-#include "joystick_private.h"
-
-WINE_DEFAULT_DEBUG_CHANNEL(dinput);
-
-static const IDirectInputEffectVtbl LinuxInputEffectVtbl;
-typedef struct LinuxInputEffectImpl LinuxInputEffectImpl;
-struct LinuxInputEffectImpl
-{
- IDirectInputEffect IDirectInputEffect_iface;
- LONG ref;
- GUID guid;
-
- struct ff_effect effect; /* Effect data */
- int gain; /* Effect gain */
- BOOL first_axis_is_x;
- int* fd; /* Parent device */
- struct list *entry; /* Entry into the parent's list of effects */
-};
-
-static inline LinuxInputEffectImpl *impl_from_IDirectInputEffect(IDirectInputEffect *iface)
-{
- return CONTAINING_RECORD(iface, LinuxInputEffectImpl, IDirectInputEffect_iface);
-}
-
-static double ff_effect_direction_to_rad(unsigned int dir)
-{
- return (dir & 0xffff) * M_PI / 0x8000;
-}
-
-static void ff_dump_effect(struct ff_effect *effect)
-{
- const char *type = "(Unknown)", *length = "INFINITE";
- struct ff_envelope *env = NULL;
- double angle;
-#define FE(x) case x: type = #x; break
- switch (effect->type)
- {
- FE(FF_RUMBLE);
- FE(FF_PERIODIC);
- FE(FF_CONSTANT);
- FE(FF_SPRING);
- FE(FF_FRICTION);
- FE(FF_DAMPER);
- FE(FF_INERTIA);
- FE(FF_RAMP);
- }
-#undef FE
-
- /* rotate so 0 points right */
- angle = 360 - ff_effect_direction_to_rad(effect->direction + 0xc000) * 180 / M_PI;
-
- if (effect->replay.length)
- length = wine_dbg_sprintf("%u ms", effect->replay.length);
-
- TRACE("type 0x%x %s, id %d, direction 0x%x (source angle %.2f), time length %s, start delay %u ms\n",
- effect->type, type, effect->id, effect->direction, angle, length, effect->replay.delay);
- if (effect->trigger.button || effect->trigger.interval)
- TRACE(" -> trigger button %u, re-trigger interval %u ms\n",
- effect->trigger.button, effect->trigger.interval);
-
- if (effect->type == FF_PERIODIC)
- {
- struct ff_periodic_effect *per = &effect->u.periodic;
- const char *wave = "(Unknown)";
-#define FE(x) case x: wave = #x; break
- switch (per->waveform)
- {
- FE(FF_SQUARE);
- FE(FF_TRIANGLE);
- FE(FF_SINE);
- FE(FF_SAW_UP);
- FE(FF_SAW_DOWN);
- FE(FF_CUSTOM);
- }
-#undef FE
- angle = ff_effect_direction_to_rad(per->phase) * 180 / M_PI;
- TRACE(" -> waveform 0x%x %s, period %u ms, magnitude %d, offset %d, phase 0x%x (angle %.2f), custom len %d\n",
- per->waveform, wave, per->period, per->magnitude, per->offset, per->phase, angle, per->custom_len);
- env = &per->envelope;
- }
- else if (effect->type == FF_CONSTANT)
- {
- struct ff_constant_effect *cons = &effect->u.constant;
- TRACE(" -> level %d\n", cons->level);
- env = &cons->envelope;
- }
- else if (effect->type == FF_RAMP)
- {
- struct ff_ramp_effect *ramp = &effect->u.ramp;
- TRACE(" -> start/end level %d/%d\n", ramp->start_level, ramp->end_level);
- env = &ramp->envelope;
- }
- else if (effect->type == FF_RUMBLE)
- {
- struct ff_rumble_effect *rumble = &effect->u.rumble;
- TRACE(" -> strong/weak magnitude %u/%u\n", rumble->strong_magnitude, rumble->weak_magnitude);
- }
- else if (effect->type == FF_SPRING || effect->type == FF_FRICTION ||
- effect->type == FF_DAMPER || effect->type == FF_INERTIA)
- {
- struct ff_condition_effect *cond = effect->u.condition;
- int i;
- for (i = 0; i < 2; i++)
- {
- /* format numbers here to make them align correctly */
- TRACE(" -> [%d] right/left saturation %5u/%5u, right/left coefficient %5d/%5d,"
- " deadband %5u, center %5d\n", i, cond[i].right_saturation, cond[i].left_saturation,
- cond[i].right_coeff, cond[i].left_coeff, cond[i].deadband, cond[i].center);
- }
- }
-
- if (env)
- TRACE(" -> envelope attack length(ms)/level %u/%u, fade length(ms)/level %u/%u\n",
- env->attack_length, env->attack_level, env->fade_length, env->fade_level);
-}
-
-/******************************************************************************
- * LinuxInputEffectImpl
- */
-
-static ULONG WINAPI LinuxInputEffectImpl_AddRef(
- LPDIRECTINPUTEFFECT iface)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
- return InterlockedIncrement(&(This->ref));
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_Download(
- LPDIRECTINPUTEFFECT iface)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
- int ret, old_effect_id;
-
- TRACE("(this=%p)\n", This);
- ff_dump_effect(&This->effect);
-
- old_effect_id = This->effect.id;
- if (ioctl(*(This->fd), EVIOCSFF, &This->effect) != -1)
- return DI_OK;
-
- /* Linux kernel < 3.14 has a bug that incorrectly assigns an effect ID even
- * on error, restore it here if that is the case. */
- This->effect.id = old_effect_id;
-
- switch (errno)
- {
- case EINVAL:
- ret = DIERR_INVALIDPARAM;
- break;
- case ENOSPC:
- ret = DIERR_DEVICEFULL;
- break;
- case ENOMEM:
- ret = DIERR_OUTOFMEMORY;
- break;
- default:
- ret = DIERR_INPUTLOST;
- break;
- }
- TRACE("Could not upload effect to fd %d, errno %d \"%s\", returning 0x%x.\n",
- *This->fd, errno, strerror(errno), ret);
- return ret;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_Escape(
- LPDIRECTINPUTEFFECT iface,
- LPDIEFFESCAPE pesc)
-{
- WARN("(this=%p,%p): invalid: no hardware-specific escape codes in this"
- " driver!\n", iface, pesc);
-
- return DI_OK;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_GetEffectGuid(
- LPDIRECTINPUTEFFECT iface,
- LPGUID pguid)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
-
- TRACE("(this=%p,%p)\n", This, pguid);
-
- *pguid = This->guid;
-
- return DI_OK;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_GetEffectStatus(
- LPDIRECTINPUTEFFECT iface,
- LPDWORD pdwFlags)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
-
- TRACE("(this=%p,%p)\n", This, pdwFlags);
-
- if (!pdwFlags)
- return E_POINTER;
-
- if (This->effect.id == -1)
- return DIERR_NOTDOWNLOADED;
-
- /* linux sends the effect status through an event.
- * that event is trapped by our parent joystick driver
- * and there is no clean way to pass it back to us. */
- FIXME("Not enough information to provide a status.\n");
-
- (*pdwFlags) = 0;
-
- return DI_OK;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_GetParameters(
- LPDIRECTINPUTEFFECT iface,
- LPDIEFFECT peff,
- DWORD dwFlags)
-{
- HRESULT diErr = DI_OK;
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
- TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
-
- /* Major conversion factors are:
- * times: millisecond (linux) -> microsecond (windows) (x * 1000)
- * forces: scale 0x7FFF (linux) -> scale 10000 (windows) approx ((x / 33) * 10)
- * angles: scale 0x7FFF (linux) -> scale 35999 (windows) approx ((x / 33) * 36)
- * angle bases: 0 -> -y (down) (linux) -> 0 -> +x (right) (windows)
- */
-
- if (dwFlags & DIEP_AXES) {
- if (peff->cAxes < 2 /* linuxinput effects always use 2 axes, x and y */)
- diErr = DIERR_MOREDATA;
- peff->cAxes = 2;
- if (diErr)
- return diErr;
- else {
- peff->rgdwAxes[0] = DIJOFS_X;
- peff->rgdwAxes[1] = DIJOFS_Y;
- }
- }
-
- if (dwFlags & DIEP_DIRECTION) {
- if (peff->cAxes < 2)
- diErr = DIERR_MOREDATA;
- peff->cAxes = 2;
- if (diErr)
- return diErr;
- else {
- if (peff->dwFlags & DIEFF_CARTESIAN) {
- /* rotate so 0 points right */
- double angle = ff_effect_direction_to_rad(This->effect.direction + 0xc000);
- peff->rglDirection[0] = sin(angle) * 1000;
- peff->rglDirection[1] = -cos(angle) * 1000;
- } else {
- /* Polar and spherical coordinates are the same for two or less
- * axes.
- * Note that we also use this case if NO flags are marked.
- * According to MSDN, we should return the direction in the
- * format that it was specified in, if no flags are marked.
- */
- peff->rglDirection[0] = (This->effect.direction / 33) * 36 + 9000;
- if (peff->rglDirection[0] > 35999)
- peff->rglDirection[0] -= 35999;
- }
- }
- }
-
- if (dwFlags & DIEP_DURATION)
- {
- if (!This->effect.replay.length) /* infinite for the linux driver */
- peff->dwDuration = INFINITE;
- else
- peff->dwDuration = (DWORD)This->effect.replay.length * 1000;
- }
-
- if (dwFlags & DIEP_ENVELOPE) {
- struct ff_envelope* env;
- if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
- else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
- else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
- else env = NULL;
- if (env == NULL) {
- peff->lpEnvelope = NULL;
- } else if (peff->lpEnvelope == NULL) {
- return DIERR_INVALIDPARAM;
- } else {
- peff->lpEnvelope->dwAttackLevel = (env->attack_level / 33) * 10;
- peff->lpEnvelope->dwAttackTime = env->attack_length * 1000;
- peff->lpEnvelope->dwFadeLevel = (env->fade_level / 33) * 10;
- peff->lpEnvelope->dwFadeTime = env->fade_length * 1000;
- }
- }
-
- if (dwFlags & DIEP_GAIN) {
- peff->dwGain = This->gain * 10000 / 0xFFFF;
- }
-
- if (dwFlags & DIEP_SAMPLEPERIOD) {
- /* the linux input ff driver has no support for setting
- * the playback sample period. 0 means default. */
- peff->dwSamplePeriod = 0;
- }
-
- if ((dwFlags & DIEP_STARTDELAY) && peff->dwSize > sizeof(DIEFFECT_DX5))
- peff->dwStartDelay = This->effect.replay.delay * 1000;
-
- if (dwFlags & DIEP_TRIGGERBUTTON) {
- FIXME("LinuxInput button mapping needs redoing; for now, assuming we're using an actual joystick.\n");
- peff->dwTriggerButton = DIJOFS_BUTTON(This->effect.trigger.button - BTN_JOYSTICK);
- }
-
- if (dwFlags & DIEP_TRIGGERREPEATINTERVAL) {
- peff->dwTriggerRepeatInterval = This->effect.trigger.interval * 1000;
- }
-
- if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
- DWORD expectedsize = 0;
- if (This->effect.type == FF_PERIODIC) {
- expectedsize = sizeof(DIPERIODIC);
- } else if (This->effect.type == FF_CONSTANT) {
- expectedsize = sizeof(DICONSTANTFORCE);
- } else if (This->effect.type == FF_SPRING
- || This->effect.type == FF_FRICTION
- || This->effect.type == FF_INERTIA
- || This->effect.type == FF_DAMPER) {
- expectedsize = sizeof(DICONDITION) * 2;
- } else if (This->effect.type == FF_RAMP) {
- expectedsize = sizeof(DIRAMPFORCE);
- }
- if (expectedsize > peff->cbTypeSpecificParams)
- diErr = DIERR_MOREDATA;
- peff->cbTypeSpecificParams = expectedsize;
- if (diErr)
- return diErr;
- else {
- if (This->effect.type == FF_PERIODIC) {
- LPDIPERIODIC tsp = peff->lpvTypeSpecificParams;
- tsp->dwMagnitude = (This->effect.u.periodic.magnitude / 33) * 10;
- tsp->lOffset = (This->effect.u.periodic.offset / 33) * 10;
- tsp->dwPhase = (This->effect.u.periodic.phase / 33) * 36;
- tsp->dwPeriod = (This->effect.u.periodic.period * 1000);
- } else if (This->effect.type == FF_CONSTANT) {
- LPDICONSTANTFORCE tsp = peff->lpvTypeSpecificParams;
- tsp->lMagnitude = (This->effect.u.constant.level / 33) * 10;
- } else if (This->effect.type == FF_SPRING
- || This->effect.type == FF_FRICTION
- || This->effect.type == FF_INERTIA
- || This->effect.type == FF_DAMPER) {
- LPDICONDITION tsp = peff->lpvTypeSpecificParams;
- int i;
- for (i = 0; i < 2; ++i) {
- tsp[i].lOffset = (This->effect.u.condition[i].center / 33) * 10;
- tsp[i].lPositiveCoefficient = (This->effect.u.condition[i].right_coeff / 33) * 10;
- tsp[i].lNegativeCoefficient = (This->effect.u.condition[i].left_coeff / 33) * 10;
- tsp[i].dwPositiveSaturation = (This->effect.u.condition[i].right_saturation / 33) * 10;
- tsp[i].dwNegativeSaturation = (This->effect.u.condition[i].left_saturation / 33) * 10;
- tsp[i].lDeadBand = (This->effect.u.condition[i].deadband / 33) * 10;
- }
- } else if (This->effect.type == FF_RAMP) {
- LPDIRAMPFORCE tsp = peff->lpvTypeSpecificParams;
- tsp->lStart = (This->effect.u.ramp.start_level / 33) * 10;
- tsp->lEnd = (This->effect.u.ramp.end_level / 33) * 10;
- }
- }
- }
-
- return diErr;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_Initialize(
- LPDIRECTINPUTEFFECT iface,
- HINSTANCE hinst,
- DWORD dwVersion,
- REFGUID rguid)
-{
- FIXME("(this=%p,%p,%d,%s): stub!\n",
- iface, hinst, dwVersion, debugstr_guid(rguid));
-
- return DI_OK;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_QueryInterface(
- LPDIRECTINPUTEFFECT iface,
- REFIID riid,
- void **ppvObject)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
-
- TRACE("(this=%p,%s,%p)\n", This, debugstr_guid(riid), ppvObject);
-
- if (IsEqualGUID(&IID_IUnknown, riid) ||
- IsEqualGUID(&IID_IDirectInputEffect, riid)) {
- LinuxInputEffectImpl_AddRef(iface);
- *ppvObject = This;
- return 0;
- }
-
- TRACE("Unsupported interface!\n");
- return E_FAIL;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_Start(
- LPDIRECTINPUTEFFECT iface,
- DWORD dwIterations,
- DWORD dwFlags)
-{
- struct input_event event;
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
-
- TRACE("(this=%p,%d,%d)\n", This, dwIterations, dwFlags);
-
- if (!(dwFlags & DIES_NODOWNLOAD)) {
- /* Download the effect if necessary */
- if (This->effect.id == -1) {
- HRESULT res = LinuxInputEffectImpl_Download(iface);
- if (res != DI_OK)
- return res;
- }
- }
-
- if (dwFlags & DIES_SOLO) {
- FIXME("Solo mode requested: should be stopping all effects here!\n");
- }
-
- event.type = EV_FF;
- event.code = This->effect.id;
- event.value = min( dwIterations, INT_MAX );
- if (write(*(This->fd), &event, sizeof(event)) == -1) {
- FIXME("Unable to write event. Assuming device disconnected.\n");
- return DIERR_INPUTLOST;
- }
-
- return DI_OK;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_SetParameters(
- LPDIRECTINPUTEFFECT iface,
- LPCDIEFFECT peff,
- DWORD dwFlags)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
- DWORD type = typeFromGUID(&This->guid);
- HRESULT retval = DI_OK;
-
- TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
-
- dump_DIEFFECT(peff, &This->guid, dwFlags);
-
- if ((dwFlags & ~DIEP_NORESTART & ~DIEP_NODOWNLOAD & ~DIEP_START) == 0) {
- /* set everything */
- dwFlags = DIEP_AXES | DIEP_DIRECTION | DIEP_DURATION | DIEP_ENVELOPE |
- DIEP_GAIN | DIEP_SAMPLEPERIOD | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
- DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
- }
-
- if (dwFlags & DIEP_AXES) {
- /* the linux input effect system only supports one or two axes */
- if (peff->cAxes > 2)
- return DIERR_INVALIDPARAM;
- else if (peff->cAxes < 1)
- return DIERR_INCOMPLETEEFFECT;
- This->first_axis_is_x = peff->rgdwAxes[0] == DIJOFS_X;
- }
-
- /* some of this may look funky, but it's 'cause the linux driver and directx have
- * different opinions about which way direction "0" is. directx has 0 along the x
- * axis (left), linux has it along the y axis (down). */
- if (dwFlags & DIEP_DIRECTION) {
- if (peff->cAxes == 1) {
- if (peff->dwFlags & DIEFF_CARTESIAN) {
- if (dwFlags & DIEP_AXES) {
- if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] >= 0)
- This->effect.direction = 0x4000;
- else if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] < 0)
- This->effect.direction = 0xC000;
- else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] >= 0)
- This->effect.direction = 0;
- else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] < 0)
- This->effect.direction = 0x8000;
- }
- } else {
- /* one-axis effects must use cartesian coords */
- return DIERR_INVALIDPARAM;
- }
- }
- /* two axes */
- else
- {
- if (peff->dwFlags & DIEFF_CARTESIAN)
- {
- LONG x, y;
- if (This->first_axis_is_x)
- {
- x = peff->rglDirection[0];
- y = peff->rglDirection[1];
- }
- else
- {
- x = peff->rglDirection[1];
- y = peff->rglDirection[0];
- }
- This->effect.direction = (unsigned int)((M_PI / 2 + atan2(y, x)) * 0x8000 / M_PI);
- }
- else
- {
- /* Polar and spherical are the same for 2 axes */
- /* Precision is important here, so we do double math with exact constants */
- This->effect.direction = (unsigned int)(((double)peff->rglDirection[0] / 18000) * 0x8000);
- }
- }
- }
-
- if (dwFlags & DIEP_DURATION)
- {
- if (peff->dwDuration == INFINITE)
- This->effect.replay.length = 0; /* infinite for the linux driver */
- else if(peff->dwDuration > 1000)
- This->effect.replay.length = peff->dwDuration / 1000;
- else
- This->effect.replay.length = 1;
- }
-
- if (dwFlags & DIEP_ENVELOPE)
- {
- struct ff_envelope* env;
- if (This->effect.type == FF_CONSTANT)
- env = &This->effect.u.constant.envelope;
- else if (This->effect.type == FF_PERIODIC)
- env = &This->effect.u.periodic.envelope;
- else if (This->effect.type == FF_RAMP)
- env = &This->effect.u.ramp.envelope;
- else
- env = NULL;
-
- /* copy the envelope if it is present and the linux effect supports it */
- if (peff->lpEnvelope && env)
- {
- env->attack_length = peff->lpEnvelope->dwAttackTime / 1000;
- env->attack_level = (peff->lpEnvelope->dwAttackLevel / 10) * 32;
- env->fade_length = peff->lpEnvelope->dwFadeTime / 1000;
- env->fade_level = (peff->lpEnvelope->dwFadeLevel / 10) * 32;
- }
- /* if the dinput envelope is NULL we will clear the linux envelope */
- else if (env)
- {
- env->attack_length = 0;
- env->attack_level = 0;
- env->fade_length = 0;
- env->fade_level = 0;
- }
- else if(peff->lpEnvelope)
- {
- if(peff->lpEnvelope->dwAttackTime || peff->lpEnvelope->dwAttackLevel ||
- peff->lpEnvelope->dwFadeTime || peff->lpEnvelope->dwFadeLevel)
- WARN("Ignoring dinput envelope not supported in the linux effect\n");
- }
- }
-
- /* Gain and Sample Period settings are not supported by the linux
- * event system */
- if (dwFlags & DIEP_GAIN) {
- This->gain = 0xFFFF * peff->dwGain / 10000;
- TRACE("Effect gain requested but no effect gain functionality present.\n");
- }
-
- if (dwFlags & DIEP_SAMPLEPERIOD)
- TRACE("Sample period requested but no sample period functionality present.\n");
-
- if (dwFlags & DIEP_STARTDELAY)
- if ((dwFlags & DIEP_STARTDELAY) && peff->dwSize > sizeof(DIEFFECT_DX5))
- This->effect.replay.delay = peff->dwStartDelay / 1000;
-
- if (dwFlags & DIEP_TRIGGERBUTTON) {
- if (peff->dwTriggerButton != -1) {
- FIXME("Linuxinput button mapping needs redoing, assuming we're using a joystick.\n");
- FIXME("Trigger button translation not yet implemented!\n");
- }
- This->effect.trigger.button = 0;
- }
-
- if (dwFlags & DIEP_TRIGGERREPEATINTERVAL)
- This->effect.trigger.interval = peff->dwTriggerRepeatInterval / 1000;
-
- if (dwFlags & DIEP_TYPESPECIFICPARAMS)
- {
- if (!(peff->lpvTypeSpecificParams))
- return DIERR_INCOMPLETEEFFECT;
-
- if (type == DIEFT_PERIODIC)
- {
- DIPERIODIC *tsp;
- if (peff->cbTypeSpecificParams != sizeof(DIPERIODIC))
- return DIERR_INVALIDPARAM;
- tsp = peff->lpvTypeSpecificParams;
-
- This->effect.u.periodic.magnitude = (tsp->dwMagnitude / 10) * 32;
- This->effect.u.periodic.offset = (tsp->lOffset / 10) * 32;
- /* phase ranges from 0 - 35999 in dinput and 0 - 65535 on Linux */
- This->effect.u.periodic.phase = (tsp->dwPhase / 36) * 65;
- /* dinput uses microseconds, Linux uses milliseconds */
- if (tsp->dwPeriod <= 1000)
- This->effect.u.periodic.period = 1;
- else
- This->effect.u.periodic.period = tsp->dwPeriod / 1000;
- }
- else if (type == DIEFT_CONSTANTFORCE)
- {
- LPCDICONSTANTFORCE tsp;
- if (peff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE))
- return DIERR_INVALIDPARAM;
- tsp = peff->lpvTypeSpecificParams;
- This->effect.u.constant.level = (max(min(tsp->lMagnitude, 10000), -10000) / 10) * 32;
- } else if (type == DIEFT_RAMPFORCE) {
- LPCDIRAMPFORCE tsp;
- if (peff->cbTypeSpecificParams != sizeof(DIRAMPFORCE))
- return DIERR_INVALIDPARAM;
- tsp = peff->lpvTypeSpecificParams;
- This->effect.u.ramp.start_level = (tsp->lStart / 10) * 32;
- This->effect.u.ramp.end_level = (tsp->lEnd / 10) * 32;
- }
- else if (type == DIEFT_CONDITION)
- {
- DICONDITION *tsp = peff->lpvTypeSpecificParams;
- struct ff_condition_effect *cond = This->effect.u.condition;
- int i, j, sources;
- double factor[2];
-
- if (peff->cbTypeSpecificParams == sizeof(DICONDITION))
- {
- /* One condition block. This needs to be rotated to direction,
- * and expanded to separate x and y conditions. Ensures 0 points right */
- double angle = ff_effect_direction_to_rad(This->effect.direction + 0xc000);
- factor[0] = sin(angle);
- factor[1] = -cos(angle);
- sources = 1;
- }
- else if (peff->cbTypeSpecificParams == 2 * sizeof(DICONDITION))
- {
- /* Direct parameter copy without changes */
- factor[0] = factor[1] = 1;
- sources = 2;
- }
- else
- return DIERR_INVALIDPARAM;
-
- for (i = j = 0; i < 2; ++i)
- {
- cond[i].center = (int)(factor[i] * (tsp[j].lOffset / 10) * 32);
- cond[i].right_coeff = (int)(factor[i] * (tsp[j].lPositiveCoefficient / 10) * 32);
- cond[i].left_coeff = (int)(factor[i] * (tsp[j].lNegativeCoefficient / 10) * 32);
- cond[i].right_saturation = (int)(factor[i] * (tsp[j].dwPositiveSaturation / 10) * 65);
- cond[i].left_saturation = (int)(factor[i] * (tsp[j].dwNegativeSaturation / 10) * 65);
- cond[i].deadband = (int)(factor[i] * (tsp[j].lDeadBand / 10) * 32);
- if (sources == 2)
- j++;
- }
- }
- else
- {
- FIXME("Custom force types are not supported\n");
- return DIERR_INVALIDPARAM;
- }
- }
-
- if (!(dwFlags & DIEP_NODOWNLOAD))
- retval = LinuxInputEffectImpl_Download(iface);
- if (retval != DI_OK)
- return DI_DOWNLOADSKIPPED;
-
- if (dwFlags & DIEP_NORESTART)
- TRACE("DIEP_NORESTART: not handled (we have no control of that).\n");
-
- if (dwFlags & DIEP_START)
- retval = LinuxInputEffectImpl_Start(iface, 1, 0);
- if (retval != DI_OK)
- return retval;
-
- return DI_OK;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_Stop(
- LPDIRECTINPUTEFFECT iface)
-{
- struct input_event event;
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
-
- TRACE("(this=%p)\n", This);
-
- event.type = EV_FF;
- event.code = This->effect.id;
- event.value = 0;
- /* we don't care about the success or failure of this call */
- write(*(This->fd), &event, sizeof(event));
-
- return DI_OK;
-}
-
-static HRESULT WINAPI LinuxInputEffectImpl_Unload(
- LPDIRECTINPUTEFFECT iface)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
- TRACE("(this=%p)\n", This);
-
- /* Erase the downloaded effect */
- if (ioctl(*(This->fd), EVIOCRMFF, This->effect.id) == -1)
- return DIERR_INVALIDPARAM;
-
- /* Mark the effect as deallocated */
- This->effect.id = -1;
-
- return DI_OK;
-}
-
-static ULONG WINAPI LinuxInputEffectImpl_Release(LPDIRECTINPUTEFFECT iface)
-{
- LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
- ULONG ref = InterlockedDecrement(&(This->ref));
-
- if (ref == 0)
- {
- LinuxInputEffectImpl_Stop(iface);
- LinuxInputEffectImpl_Unload(iface);
- list_remove(This->entry);
- HeapFree(GetProcessHeap(), 0, LIST_ENTRY(This->entry, effect_list_item, entry));
- HeapFree(GetProcessHeap(), 0, This);
- }
- return ref;
-}
-
-/******************************************************************************
- * LinuxInputEffect
- */
-
-DECLSPEC_HIDDEN HRESULT linuxinput_create_effect(
- int* fd,
- REFGUID rguid,
- struct list *parent_list_entry,
- LPDIRECTINPUTEFFECT* peff)
-{
- LinuxInputEffectImpl* newEffect = HeapAlloc(GetProcessHeap(),
- HEAP_ZERO_MEMORY, sizeof(LinuxInputEffectImpl));
- DWORD type = typeFromGUID(rguid);
-
- newEffect->IDirectInputEffect_iface.lpVtbl = &LinuxInputEffectVtbl;
- newEffect->ref = 1;
- newEffect->guid = *rguid;
- newEffect->fd = fd;
- newEffect->gain = 0xFFFF;
-
- /* set the type. this cannot be changed over the effect's life. */
- switch (type) {
- case DIEFT_PERIODIC:
- newEffect->effect.type = FF_PERIODIC;
- if (IsEqualGUID(rguid, &GUID_Sine)) {
- newEffect->effect.u.periodic.waveform = FF_SINE;
- } else if (IsEqualGUID(rguid, &GUID_Triangle)) {
- newEffect->effect.u.periodic.waveform = FF_TRIANGLE;
- } else if (IsEqualGUID(rguid, &GUID_Square)) {
- newEffect->effect.u.periodic.waveform = FF_SQUARE;
- } else if (IsEqualGUID(rguid, &GUID_SawtoothUp)) {
- newEffect->effect.u.periodic.waveform = FF_SAW_UP;
- } else if (IsEqualGUID(rguid, &GUID_SawtoothDown)) {
- newEffect->effect.u.periodic.waveform = FF_SAW_DOWN;
- }
- break;
- case DIEFT_CONSTANTFORCE:
- newEffect->effect.type = FF_CONSTANT;
- break;
- case DIEFT_RAMPFORCE:
- newEffect->effect.type = FF_RAMP;
- break;
- case DIEFT_CONDITION:
- if (IsEqualGUID(rguid, &GUID_Spring)) {
- newEffect->effect.type = FF_SPRING;
- } else if (IsEqualGUID(rguid, &GUID_Friction)) {
- newEffect->effect.type = FF_FRICTION;
- } else if (IsEqualGUID(rguid, &GUID_Inertia)) {
- newEffect->effect.type = FF_INERTIA;
- } else if (IsEqualGUID(rguid, &GUID_Damper)) {
- newEffect->effect.type = FF_DAMPER;
- }
- break;
- case DIEFT_CUSTOMFORCE:
- FIXME("Custom forces are not supported.\n");
- HeapFree(GetProcessHeap(), 0, newEffect);
- return DIERR_INVALIDPARAM;
- default:
- FIXME("Unknown force type 0x%x.\n", type);
- HeapFree(GetProcessHeap(), 0, newEffect);
- return DIERR_INVALIDPARAM;
- }
-
- /* mark as non-uploaded */
- newEffect->effect.id = -1;
-
- newEffect->entry = parent_list_entry;
-
- *peff = &newEffect->IDirectInputEffect_iface;
-
- TRACE("Creating linux input system effect (%p) with guid %s\n",
- *peff, _dump_dinput_GUID(rguid));
-
- return DI_OK;
-}
-
-DECLSPEC_HIDDEN HRESULT linuxinput_get_info_A(
- int fd,
- REFGUID rguid,
- LPDIEFFECTINFOA info)
-{
- DWORD type = typeFromGUID(rguid);
-
- TRACE("(%d, %s, %p) type=%d\n", fd, _dump_dinput_GUID(rguid), info, type);
-
- if (!info) return E_POINTER;
-
- if (info->dwSize != sizeof(DIEFFECTINFOA)) return DIERR_INVALIDPARAM;
-
- info->guid = *rguid;
-
- info->dwEffType = type;
- /* the event device API does not support querying for all these things
- * therefore we assume that we have support for them
- * that's not as dangerous as it sounds, since drivers are allowed to
- * ignore parameters they claim to support anyway */
- info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
- | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
- | DIEFT_SATURATION | DIEFT_STARTDELAY;
-
- /* again, assume we have support for everything */
- info->dwStaticParams = DIEP_ALLPARAMS;
- info->dwDynamicParams = info->dwStaticParams;
-
- /* yes, this is windows behavior (print the GUID_Name for name) */
- strcpy(info->tszName, _dump_dinput_GUID(rguid));
-
- return DI_OK;
-}
-
-DECLSPEC_HIDDEN HRESULT linuxinput_get_info_W(
- int fd,
- REFGUID rguid,
- LPDIEFFECTINFOW info)
-{
- DWORD type = typeFromGUID(rguid);
-
- TRACE("(%d, %s, %p) type=%d\n", fd, _dump_dinput_GUID(rguid), info, type);
-
- if (!info) return E_POINTER;
-
- if (info->dwSize != sizeof(DIEFFECTINFOW)) return DIERR_INVALIDPARAM;
-
- info->guid = *rguid;
-
- info->dwEffType = type;
- /* the event device API does not support querying for all these things
- * therefore we assume that we have support for them
- * that's not as dangerous as it sounds, since drivers are allowed to
- * ignore parameters they claim to support anyway */
- info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
- | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
- | DIEFT_SATURATION | DIEFT_STARTDELAY;
-
- /* again, assume we have support for everything */
- info->dwStaticParams = DIEP_ALLPARAMS;
- info->dwDynamicParams = info->dwStaticParams;
-
- /* yes, this is windows behavior (print the GUID_Name for name) */
- MultiByteToWideChar(CP_ACP, 0, _dump_dinput_GUID(rguid), -1,
- info->tszName, MAX_PATH);
-
- return DI_OK;
-}
-
-static const IDirectInputEffectVtbl LinuxInputEffectVtbl = {
- LinuxInputEffectImpl_QueryInterface,
- LinuxInputEffectImpl_AddRef,
- LinuxInputEffectImpl_Release,
- LinuxInputEffectImpl_Initialize,
- LinuxInputEffectImpl_GetEffectGuid,
- LinuxInputEffectImpl_GetParameters,
- LinuxInputEffectImpl_SetParameters,
- LinuxInputEffectImpl_Start,
- LinuxInputEffectImpl_Stop,
- LinuxInputEffectImpl_GetEffectStatus,
- LinuxInputEffectImpl_Download,
- LinuxInputEffectImpl_Unload,
- LinuxInputEffectImpl_Escape
-};
-
-#endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
projects / reactos.git / blobdiff