932 lines
31 KiB
C
932 lines
31 KiB
C
/* DirectInput Linux Event Device Effect
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*
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* Copyright 2005 Daniel Remenak
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*
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* Thanks to Google's Summer of Code Program (2005)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
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#include <stdarg.h>
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#include <string.h>
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#ifdef HAVE_LINUX_INPUT_H
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# include <linux/input.h>
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# undef SW_MAX
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#endif
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <math.h>
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "dinput.h"
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#include "device_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dinput);
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static const IDirectInputEffectVtbl LinuxInputEffectVtbl;
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typedef struct LinuxInputEffectImpl LinuxInputEffectImpl;
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struct LinuxInputEffectImpl
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{
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const void *lpVtbl;
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LONG ref;
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GUID guid;
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/* Effect data */
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struct ff_effect effect;
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/* Parent device */
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int* fd;
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};
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/******************************************************************************
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* DirectInputEffect Functional Helper
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*/
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static DWORD _typeFromGUID(REFGUID guid)
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{
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if (IsEqualGUID(guid, &GUID_ConstantForce)) {
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return DIEFT_CONSTANTFORCE;
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} else if (IsEqualGUID(guid, &GUID_Square)
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|| IsEqualGUID(guid, &GUID_Sine)
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|| IsEqualGUID(guid, &GUID_Triangle)
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|| IsEqualGUID(guid, &GUID_SawtoothUp)
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|| IsEqualGUID(guid, &GUID_SawtoothDown)) {
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return DIEFT_PERIODIC;
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} else if (IsEqualGUID(guid, &GUID_RampForce)) {
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return DIEFT_RAMPFORCE;
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} else if (IsEqualGUID(guid, &GUID_Spring)
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|| IsEqualGUID(guid, &GUID_Damper)
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|| IsEqualGUID(guid, &GUID_Inertia)
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|| IsEqualGUID(guid, &GUID_Friction)) {
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return DIEFT_CONDITION;
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} else if (IsEqualGUID(guid, &GUID_CustomForce)) {
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return DIEFT_CUSTOMFORCE;
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} else {
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WARN("GUID (%s) is not a known force type\n", _dump_dinput_GUID(guid));
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return 0;
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}
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}
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/******************************************************************************
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* DirectInputEffect debug helpers
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*/
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static void _dump_DIEFFECT_flags(DWORD dwFlags)
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{
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if (TRACE_ON(dinput)) {
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unsigned int i;
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static const struct {
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DWORD mask;
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const char *name;
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} flags[] = {
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#define FE(x) { x, #x}
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FE(DIEFF_CARTESIAN),
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FE(DIEFF_OBJECTIDS),
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FE(DIEFF_OBJECTOFFSETS),
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FE(DIEFF_POLAR),
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FE(DIEFF_SPHERICAL)
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#undef FE
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};
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for (i = 0; i < (sizeof(flags) / sizeof(flags[0])); i++)
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if (flags[i].mask & dwFlags)
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TRACE("%s ", flags[i].name);
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TRACE("\n");
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}
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}
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static void _dump_DIENVELOPE(LPCDIENVELOPE env)
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{
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if (env->dwSize != sizeof(DIENVELOPE)) {
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WARN("Non-standard DIENVELOPE structure size (%d instead of %d).\n",
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env->dwSize, sizeof(DIENVELOPE));
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}
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TRACE("Envelope has attack (level: %d time: %d), fade (level: %d time: %d)\n",
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env->dwAttackLevel, env->dwAttackTime, env->dwFadeLevel, env->dwFadeTime);
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}
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static void _dump_DICONSTANTFORCE(LPCDICONSTANTFORCE frc)
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{
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TRACE("Constant force has magnitude %d\n", frc->lMagnitude);
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}
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static void _dump_DIPERIODIC(LPCDIPERIODIC frc)
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{
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TRACE("Periodic force has magnitude %d, offset %d, phase %d, period %d\n",
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frc->dwMagnitude, frc->lOffset, frc->dwPhase, frc->dwPeriod);
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}
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static void _dump_DIRAMPFORCE(LPCDIRAMPFORCE frc)
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{
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TRACE("Ramp force has start %d, end %d\n",
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frc->lStart, frc->lEnd);
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}
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static void _dump_DICONDITION(LPCDICONDITION frc)
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{
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TRACE("Condition has offset %d, pos/neg coefficients %d and %d, pos/neg saturations %d and %d, deadband %d\n",
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frc->lOffset, frc->lPositiveCoefficient, frc->lNegativeCoefficient,
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frc->dwPositiveSaturation, frc->dwNegativeSaturation, frc->lDeadBand);
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}
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static void _dump_DICUSTOMFORCE(LPCDICUSTOMFORCE frc)
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{
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unsigned int i;
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TRACE("Custom force uses %d channels, sample period %d. Has %d samples at %p.\n",
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frc->cChannels, frc->dwSamplePeriod, frc->cSamples, frc->rglForceData);
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if (frc->cSamples % frc->cChannels != 0)
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WARN("Custom force has a non-integral samples-per-channel count!\n");
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if (TRACE_ON(dinput)) {
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TRACE("Custom force data (time aligned, axes in order):\n");
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for (i = 1; i <= frc->cSamples; ++i) {
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TRACE("%d ", frc->rglForceData[i]);
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if (i % frc->cChannels == 0)
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TRACE("\n");
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}
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}
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}
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static void _dump_DIEFFECT(LPCDIEFFECT eff, REFGUID guid)
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{
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unsigned int i;
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DWORD type = _typeFromGUID(guid);
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TRACE("Dumping DIEFFECT structure:\n");
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TRACE(" - dwSize: %d\n", eff->dwSize);
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if ((eff->dwSize != sizeof(DIEFFECT)) && (eff->dwSize != sizeof(DIEFFECT_DX5))) {
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WARN("Non-standard DIEFFECT structure size (%d instead of %d or %d).\n",
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eff->dwSize, sizeof(DIEFFECT), sizeof(DIEFFECT_DX5));
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}
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TRACE(" - dwFlags: %d\n", eff->dwFlags);
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TRACE(" ");
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_dump_DIEFFECT_flags(eff->dwFlags);
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TRACE(" - dwDuration: %d\n", eff->dwDuration);
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TRACE(" - dwGain: %d\n", eff->dwGain);
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if (eff->dwGain > 10000)
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WARN("dwGain is out of range (>10,000)\n");
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TRACE(" - dwTriggerButton: %d\n", eff->dwTriggerButton);
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TRACE(" - dwTriggerRepeatInterval: %d\n", eff->dwTriggerRepeatInterval);
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TRACE(" - cAxes: %d\n", eff->cAxes);
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TRACE(" - rgdwAxes: %p\n", eff->rgdwAxes);
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if (TRACE_ON(dinput) && eff->rgdwAxes) {
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TRACE(" ");
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for (i = 0; i < eff->cAxes; ++i)
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TRACE("%d ", eff->rgdwAxes[i]);
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TRACE("\n");
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}
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TRACE(" - rglDirection: %p\n", eff->rglDirection);
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TRACE(" - lpEnvelope: %p\n", eff->lpEnvelope);
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TRACE(" - cbTypeSpecificParams: %d\n", eff->cbTypeSpecificParams);
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TRACE(" - lpvTypeSpecificParams: %p\n", eff->lpvTypeSpecificParams);
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if (eff->dwSize > sizeof(DIEFFECT_DX5))
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TRACE(" - dwStartDelay: %d\n", eff->dwStartDelay);
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if (eff->lpEnvelope != NULL)
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_dump_DIENVELOPE(eff->lpEnvelope);
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if (type == DIEFT_CONSTANTFORCE) {
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if (eff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE)) {
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WARN("Effect claims to be a constant force but the type-specific params are the wrong size!\n");
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} else {
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_dump_DICONSTANTFORCE(eff->lpvTypeSpecificParams);
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}
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} else if (type == DIEFT_PERIODIC) {
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if (eff->cbTypeSpecificParams != sizeof(DIPERIODIC)) {
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WARN("Effect claims to be a periodic force but the type-specific params are the wrong size!\n");
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} else {
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_dump_DIPERIODIC(eff->lpvTypeSpecificParams);
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}
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} else if (type == DIEFT_RAMPFORCE) {
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if (eff->cbTypeSpecificParams != sizeof(DIRAMPFORCE)) {
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WARN("Effect claims to be a ramp force but the type-specific params are the wrong size!\n");
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} else {
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_dump_DIRAMPFORCE(eff->lpvTypeSpecificParams);
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}
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} else if (type == DIEFT_CONDITION) {
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if (eff->cbTypeSpecificParams != sizeof(DICONDITION)) {
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WARN("Effect claims to be a condition but the type-specific params are the wrong size!\n");
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} else {
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_dump_DICONDITION(eff->lpvTypeSpecificParams);
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}
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} else if (type == DIEFT_CUSTOMFORCE) {
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if (eff->cbTypeSpecificParams != sizeof(DICUSTOMFORCE)) {
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WARN("Effect claims to be a custom force but the type-specific params are the wrong size!\n");
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} else {
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_dump_DICUSTOMFORCE(eff->lpvTypeSpecificParams);
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}
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}
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}
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/******************************************************************************
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* LinuxInputEffectImpl
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*/
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static ULONG WINAPI LinuxInputEffectImpl_AddRef(
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LPDIRECTINPUTEFFECT iface)
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{
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LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
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return InterlockedIncrement(&(This->ref));
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}
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static HRESULT WINAPI LinuxInputEffectImpl_Download(
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LPDIRECTINPUTEFFECT iface)
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{
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LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
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TRACE("(this=%p)\n", This);
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if (ioctl(*(This->fd), EVIOCSFF, &This->effect) == -1) {
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if (errno == ENOMEM) {
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return DIERR_DEVICEFULL;
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} else {
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FIXME("Could not upload effect. Assuming a disconnected device %d \"%s\".\n", *This->fd, strerror(errno));
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return DIERR_INPUTLOST;
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}
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}
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return DI_OK;
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}
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static HRESULT WINAPI LinuxInputEffectImpl_Escape(
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LPDIRECTINPUTEFFECT iface,
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LPDIEFFESCAPE pesc)
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{
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WARN("(this=%p,%p): invalid: no hardware-specific escape codes in this"
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" driver!\n", iface, pesc);
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return DI_OK;
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}
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static HRESULT WINAPI LinuxInputEffectImpl_GetEffectGuid(
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LPDIRECTINPUTEFFECT iface,
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LPGUID pguid)
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{
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LinuxInputEffectImpl *This = (LinuxInputEffectImpl*)iface;
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TRACE("(this=%p,%p)\n", This, pguid);
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pguid = &This->guid;
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return DI_OK;
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}
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static HRESULT WINAPI LinuxInputEffectImpl_GetEffectStatus(
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LPDIRECTINPUTEFFECT iface,
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LPDWORD pdwFlags)
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{
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TRACE("(this=%p,%p)\n", iface, pdwFlags);
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/* linux sends the effect status through an event.
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* that event is trapped by our parent joystick driver
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* and there is no clean way to pass it back to us. */
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FIXME("Not enough information to provide a status.\n");
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(*pdwFlags) = 0;
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return DI_OK;
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}
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static HRESULT WINAPI LinuxInputEffectImpl_GetParameters(
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LPDIRECTINPUTEFFECT iface,
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LPDIEFFECT peff,
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DWORD dwFlags)
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{
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HRESULT diErr = DI_OK;
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LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
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TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
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/* Major conversion factors are:
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* times: millisecond (linux) -> microsecond (windows) (x * 1000)
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* forces: scale 0x7FFF (linux) -> scale 10000 (windows) approx ((x / 33) * 10)
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* angles: scale 0x7FFF (linux) -> scale 35999 (windows) approx ((x / 33) * 36)
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* angle bases: 0 -> -y (down) (linux) -> 0 -> +x (right) (windows)
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*/
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if (dwFlags & DIEP_AXES) {
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if (peff->cAxes < 2 /* linuxinput effects always use 2 axes, x and y */)
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diErr = DIERR_MOREDATA;
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peff->cAxes = 2;
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if (diErr)
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return diErr;
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else {
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peff->rgdwAxes[0] = DIJOFS_X;
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peff->rgdwAxes[1] = DIJOFS_Y;
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}
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}
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if (dwFlags & DIEP_DIRECTION) {
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if (peff->cAxes < 2)
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diErr = DIERR_MOREDATA;
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peff->cAxes = 2;
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if (diErr)
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return diErr;
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else {
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if (peff->dwFlags & DIEFF_CARTESIAN) {
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peff->rglDirection[0] = (long)(sin(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000);
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peff->rglDirection[1] = (long)(cos(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000);
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} else {
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/* Polar and spherical coordinates are the same for two or less
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* axes.
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* Note that we also use this case if NO flags are marked.
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* According to MSDN, we should return the direction in the
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* format that it was specified in, if no flags are marked.
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*/
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peff->rglDirection[0] = (This->effect.direction / 33) * 36 + 9000;
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if (peff->rglDirection[0] > 35999)
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peff->rglDirection[0] -= 35999;
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}
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}
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}
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if (dwFlags & DIEP_DURATION) {
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peff->dwDuration = (DWORD)This->effect.replay.length * 1000;
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}
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if (dwFlags & DIEP_ENVELOPE) {
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struct ff_envelope* env;
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if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
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else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
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else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
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else env = NULL;
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if (env == NULL) {
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peff->lpEnvelope = NULL;
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} else if (peff->lpEnvelope == NULL) {
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return DIERR_INVALIDPARAM;
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} else {
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peff->lpEnvelope->dwAttackLevel = (env->attack_level / 33) * 10;
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peff->lpEnvelope->dwAttackTime = env->attack_length * 1000;
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peff->lpEnvelope->dwFadeLevel = (env->fade_level / 33) * 10;
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peff->lpEnvelope->dwFadeTime = env->fade_length * 1000;
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}
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}
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if (dwFlags & DIEP_GAIN) {
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/* the linux input ff driver apparently has no support
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* for setting the device's gain. */
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peff->dwGain = DI_FFNOMINALMAX;
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}
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if (dwFlags & DIEP_SAMPLEPERIOD) {
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/* the linux input ff driver has no support for setting
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* the playback sample period. 0 means default. */
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peff->dwSamplePeriod = 0;
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}
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if (dwFlags & DIEP_STARTDELAY) {
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peff->dwStartDelay = This->effect.replay.delay * 1000;
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}
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if (dwFlags & DIEP_TRIGGERBUTTON) {
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FIXME("LinuxInput button mapping needs redoing; for now, assuming we're using an actual joystick.\n");
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peff->dwTriggerButton = DIJOFS_BUTTON(This->effect.trigger.button - BTN_JOYSTICK);
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}
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if (dwFlags & DIEP_TRIGGERREPEATINTERVAL) {
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peff->dwTriggerRepeatInterval = This->effect.trigger.interval * 1000;
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}
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if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
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int expectedsize = 0;
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if (This->effect.type == FF_PERIODIC) {
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expectedsize = sizeof(DIPERIODIC);
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} else if (This->effect.type == FF_CONSTANT) {
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expectedsize = sizeof(DICONSTANTFORCE);
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} else if (This->effect.type == FF_SPRING
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|| This->effect.type == FF_FRICTION
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|| This->effect.type == FF_INERTIA
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|| This->effect.type == FF_DAMPER) {
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expectedsize = sizeof(DICONDITION) * 2;
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} else if (This->effect.type == FF_RAMP) {
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expectedsize = sizeof(DIRAMPFORCE);
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}
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if (expectedsize > peff->cbTypeSpecificParams)
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diErr = DIERR_MOREDATA;
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peff->cbTypeSpecificParams = expectedsize;
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if (diErr)
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return diErr;
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else {
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if (This->effect.type == FF_PERIODIC) {
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LPDIPERIODIC tsp = (LPDIPERIODIC)(peff->lpvTypeSpecificParams);
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tsp->dwMagnitude = (This->effect.u.periodic.magnitude / 33) * 10;
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tsp->lOffset = (This->effect.u.periodic.offset / 33) * 10;
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tsp->dwPhase = (This->effect.u.periodic.phase / 33) * 36;
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tsp->dwPeriod = (This->effect.u.periodic.period * 1000);
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} else if (This->effect.type == FF_CONSTANT) {
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LPDICONSTANTFORCE tsp = (LPDICONSTANTFORCE)(peff->lpvTypeSpecificParams);
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tsp->lMagnitude = (This->effect.u.constant.level / 33) * 10;
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} else if (This->effect.type == FF_SPRING
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|| This->effect.type == FF_FRICTION
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|| This->effect.type == FF_INERTIA
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|| This->effect.type == FF_DAMPER) {
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LPDICONDITION tsp = (LPDICONDITION)(peff->lpvTypeSpecificParams);
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int i;
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for (i = 0; i < 2; ++i) {
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tsp[i].lOffset = (This->effect.u.condition[i].center / 33) * 10;
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tsp[i].lPositiveCoefficient = (This->effect.u.condition[i].right_coeff / 33) * 10;
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tsp[i].lNegativeCoefficient = (This->effect.u.condition[i].left_coeff / 33) * 10;
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tsp[i].dwPositiveSaturation = (This->effect.u.condition[i].right_saturation / 33) * 10;
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tsp[i].dwNegativeSaturation = (This->effect.u.condition[i].left_saturation / 33) * 10;
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tsp[i].lDeadBand = (This->effect.u.condition[i].deadband / 33) * 10;
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}
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} else if (This->effect.type == FF_RAMP) {
|
|
LPDIRAMPFORCE tsp = (LPDIRAMPFORCE)(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 = (LinuxInputEffectImpl*)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 = (LinuxInputEffectImpl*)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 = dwIterations;
|
|
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 = (LinuxInputEffectImpl*)iface;
|
|
DWORD type = _typeFromGUID(&This->guid);
|
|
HRESULT retval = DI_OK;
|
|
|
|
TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
|
|
|
|
_dump_DIEFFECT(peff, &This->guid);
|
|
|
|
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;
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
} else { /* two axes */
|
|
if (peff->dwFlags & DIEFF_CARTESIAN) {
|
|
/* avoid divide-by-zero */
|
|
if (peff->rglDirection[1] == 0) {
|
|
if (peff->rglDirection[0] >= 0)
|
|
This->effect.direction = 0x4000;
|
|
else if (peff->rglDirection[0] < 0)
|
|
This->effect.direction = 0xC000;
|
|
} else {
|
|
This->effect.direction = (int)(atan(peff->rglDirection[0] / peff->rglDirection[1]) * 0x7FFF / (3 * 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 = (int)(((double)peff->rglDirection[0] - 90) / 35999) * 0x7FFF;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (dwFlags & DIEP_DURATION)
|
|
This->effect.replay.length = peff->dwDuration / 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 (peff->lpEnvelope == NULL) {
|
|
/* if this type had an envelope, reset it
|
|
* note that length can never be zero, so we set it to something minuscule */
|
|
if (env) {
|
|
env->attack_length = 0x10;
|
|
env->attack_level = 0x7FFF;
|
|
env->fade_length = 0x10;
|
|
env->fade_level = 0x7FFF;
|
|
}
|
|
} else {
|
|
/* did we get passed an envelope for a type that doesn't even have one? */
|
|
if (!env) return DIERR_INVALIDPARAM;
|
|
/* copy the envelope */
|
|
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;
|
|
}
|
|
}
|
|
|
|
/* Gain and Sample Period settings are not supported by the linux
|
|
* event system */
|
|
if (dwFlags & DIEP_GAIN)
|
|
TRACE("Gain requested but no gain functionality present.\n");
|
|
|
|
if (dwFlags & DIEP_SAMPLEPERIOD)
|
|
TRACE("Sample period requested but no sample period functionality present.\n");
|
|
|
|
if (dwFlags & DIEP_STARTDELAY)
|
|
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) {
|
|
LPCDIPERIODIC tsp;
|
|
if (peff->cbTypeSpecificParams != sizeof(DIPERIODIC))
|
|
return DIERR_INVALIDPARAM;
|
|
tsp = (LPCDIPERIODIC)(peff->lpvTypeSpecificParams);
|
|
This->effect.u.periodic.magnitude = (tsp->dwMagnitude / 10) * 32;
|
|
This->effect.u.periodic.offset = (tsp->lOffset / 10) * 32;
|
|
This->effect.u.periodic.phase = (tsp->dwPhase / 9) * 8; /* == (/ 36 * 32) */
|
|
This->effect.u.periodic.period = tsp->dwPeriod / 1000;
|
|
} else if (type == DIEFT_CONSTANTFORCE) {
|
|
LPCDICONSTANTFORCE tsp;
|
|
if (peff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE))
|
|
return DIERR_INVALIDPARAM;
|
|
tsp = (LPCDICONSTANTFORCE)(peff->lpvTypeSpecificParams);
|
|
This->effect.u.constant.level = (tsp->lMagnitude / 10) * 32;
|
|
} else if (type == DIEFT_RAMPFORCE) {
|
|
LPCDIRAMPFORCE tsp;
|
|
if (peff->cbTypeSpecificParams != sizeof(DIRAMPFORCE))
|
|
return DIERR_INVALIDPARAM;
|
|
tsp = (LPCDIRAMPFORCE)(peff->lpvTypeSpecificParams);
|
|
This->effect.u.ramp.start_level = (tsp->lStart / 10) * 32;
|
|
This->effect.u.ramp.end_level = (tsp->lStart / 10) * 32;
|
|
} else if (type == DIEFT_CONDITION) {
|
|
LPCDICONDITION tsp = (LPCDICONDITION)(peff->lpvTypeSpecificParams);
|
|
if (peff->cbTypeSpecificParams == sizeof(DICONDITION)) {
|
|
/* One condition block. This needs to be rotated to direction,
|
|
* and expanded to separate x and y conditions. */
|
|
int i;
|
|
double factor[2];
|
|
factor[0] = asin((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
|
|
factor[1] = acos((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
|
|
for (i = 0; i < 2; ++i) {
|
|
This->effect.u.condition[i].center = (int)(factor[i] * (tsp->lOffset / 10) * 32);
|
|
This->effect.u.condition[i].right_coeff = (int)(factor[i] * (tsp->lPositiveCoefficient / 10) * 32);
|
|
This->effect.u.condition[i].left_coeff = (int)(factor[i] * (tsp->lNegativeCoefficient / 10) * 32);
|
|
This->effect.u.condition[i].right_saturation = (int)(factor[i] * (tsp->dwPositiveSaturation / 10) * 32);
|
|
This->effect.u.condition[i].left_saturation = (int)(factor[i] * (tsp->dwNegativeSaturation / 10) * 32);
|
|
This->effect.u.condition[i].deadband = (int)(factor[i] * (tsp->lDeadBand / 10) * 32);
|
|
}
|
|
} else if (peff->cbTypeSpecificParams == 2 * sizeof(DICONDITION)) {
|
|
/* Two condition blocks. Direct parameter copy. */
|
|
int i;
|
|
for (i = 0; i < 2; ++i) {
|
|
This->effect.u.condition[i].center = (tsp[i].lOffset / 10) * 32;
|
|
This->effect.u.condition[i].right_coeff = (tsp[i].lPositiveCoefficient / 10) * 32;
|
|
This->effect.u.condition[i].left_coeff = (tsp[i].lNegativeCoefficient / 10) * 32;
|
|
This->effect.u.condition[i].right_saturation = (tsp[i].dwPositiveSaturation / 10) * 32;
|
|
This->effect.u.condition[i].left_saturation = (tsp[i].dwNegativeSaturation / 10) * 32;
|
|
This->effect.u.condition[i].deadband = (tsp[i].lDeadBand / 10) * 32;
|
|
}
|
|
} else {
|
|
return DIERR_INVALIDPARAM;
|
|
}
|
|
} 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 = (LinuxInputEffectImpl *)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 = (LinuxInputEffectImpl *)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 = (LinuxInputEffectImpl *)iface;
|
|
ULONG ref = InterlockedDecrement(&(This->ref));
|
|
|
|
if (ref == 0)
|
|
{
|
|
LinuxInputEffectImpl_Stop(iface);
|
|
LinuxInputEffectImpl_Unload(iface);
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
}
|
|
return ref;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* LinuxInputEffect
|
|
*/
|
|
|
|
HRESULT linuxinput_create_effect(
|
|
int* fd,
|
|
REFGUID rguid,
|
|
LPDIRECTINPUTEFFECT* peff)
|
|
{
|
|
LinuxInputEffectImpl* newEffect = HeapAlloc(GetProcessHeap(),
|
|
HEAP_ZERO_MEMORY, sizeof(LinuxInputEffectImpl));
|
|
DWORD type = _typeFromGUID(rguid);
|
|
|
|
newEffect->lpVtbl = &LinuxInputEffectVtbl;
|
|
newEffect->ref = 1;
|
|
newEffect->guid = *rguid;
|
|
newEffect->fd = fd;
|
|
|
|
/* 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;
|
|
|
|
*peff = (LPDIRECTINPUTEFFECT)newEffect;
|
|
|
|
TRACE("Creating linux input system effect (%p) with guid %s\n",
|
|
*peff, _dump_dinput_GUID(rguid));
|
|
|
|
return DI_OK;
|
|
}
|
|
|
|
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((char*)&(info->tszName), _dump_dinput_GUID(rguid));
|
|
|
|
return DI_OK;
|
|
}
|
|
|
|
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,
|
|
(WCHAR*)&(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 */
|