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Force feedback fixes in DirectInputSystem.cpp:

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- Fixed bug which meant right constant force was not being capped to DI_EFFECTS_MAX
- Made sure all values are being clamped to sensible ranges
This commit is contained in:
Nik Henson 2011-09-25 22:46:58 +00:00
parent 06594a5170
commit 0c4f93897f
1 changed files with 15 additions and 6 deletions
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21
Src/OSD/Windows/DirectInputSystem.cpp
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@ -1811,13 +1811,19 @@ bool CDirectInputSystem::ProcessForceFeedbackCmd(int joyNum, int axisNum, ForceF
eff.lpEnvelope = NULL;
// Set command specific parameters
LONG lFFMag;
DWORD dFFMag;
switch (ffCmd.id)
{
case FFConstantForce:
//printf("FFConstantForce %0.2f\n", 100.0f * ffCmd.force);
if (g_Config.dInputConstForceMax == 0)
return false;
dicf.lMagnitude = min<LONG>(-ffCmd.force * (float)(g_Config.dInputConstForceMax * DI_EFFECTS_SCALE), DI_EFFECTS_MAX); // Invert sign for DirectInput effect
lFFMag = (LONG)(-ffCmd.force * (float)(g_Config.dInputConstForceMax * DI_EFFECTS_SCALE)); // Invert sign for DirectInput effect
if (lFFMag >= 0)
dicf.lMagnitude = min<LONG>(lFFMag, DI_EFFECTS_MAX);
else
dicf.lMagnitude = max<LONG>(lFFMag, -DI_EFFECTS_MAX);
eff.cbTypeSpecificParams = sizeof(DICONSTANTFORCE);
eff.lpvTypeSpecificParams = &dicf;
@ -1827,9 +1833,10 @@ bool CDirectInputSystem::ProcessForceFeedbackCmd(int joyNum, int axisNum, ForceF
//printf("FFSelfCenter %0.2f\n", 100.0f * ffCmd.force);
if (g_Config.dInputSelfCenterMax == 0)
return false;
lFFMag = (LONG)(ffCmd.force * (float)(g_Config.dInputSelfCenterMax * DI_EFFECTS_SCALE));
dic.lOffset = 0;
dic.lPositiveCoefficient = min<LONG>(ffCmd.force * (float)(g_Config.dInputSelfCenterMax * DI_EFFECTS_SCALE), DI_EFFECTS_MAX);
dic.lNegativeCoefficient = min<LONG>(ffCmd.force * (float)(g_Config.dInputSelfCenterMax * DI_EFFECTS_SCALE), DI_EFFECTS_MAX);
dic.lPositiveCoefficient = max<LONG>(0, min<LONG>(lFFMag, DI_EFFECTS_MAX));
dic.lNegativeCoefficient = max<LONG>(0, min<LONG>(lFFMag, DI_EFFECTS_MAX));
dic.dwPositiveSaturation = DI_FFNOMINALMAX;
dic.dwNegativeSaturation = DI_FFNOMINALMAX;
dic.lDeadBand = (LONG)(0.05 * DI_FFNOMINALMAX);
@ -1842,9 +1849,10 @@ bool CDirectInputSystem::ProcessForceFeedbackCmd(int joyNum, int axisNum, ForceF
//printf("FFFriction %0.2f\n", 100.0f * ffCmd.force);
if (g_Config.dInputFrictionMax == 0)
return false;
lFFMag = (LONG)(ffCmd.force * (float)(g_Config.dInputFrictionMax * DI_EFFECTS_SCALE));
dic.lOffset = 0;
dic.lPositiveCoefficient = min<LONG>(ffCmd.force * (float)(g_Config.dInputFrictionMax * DI_EFFECTS_SCALE), DI_EFFECTS_MAX);
dic.lNegativeCoefficient = min<LONG>(ffCmd.force * (float)(g_Config.dInputFrictionMax * DI_EFFECTS_SCALE), DI_EFFECTS_MAX);
dic.lPositiveCoefficient = max<LONG>(0, min<LONG>(lFFMag, DI_EFFECTS_MAX));
dic.lNegativeCoefficient = max<LONG>(0, min<LONG>(lFFMag, DI_EFFECTS_MAX));
dic.dwPositiveSaturation = DI_FFNOMINALMAX;
dic.dwNegativeSaturation = DI_FFNOMINALMAX;
dic.lDeadBand = 0;
@ -1857,7 +1865,8 @@ bool CDirectInputSystem::ProcessForceFeedbackCmd(int joyNum, int axisNum, ForceF
//printf("FFVibrate %0.2f\n", 100.0f * ffCmd.force);
if (g_Config.dInputVibrateMax == 0)
return false;
dip.dwMagnitude = min<DWORD>(ffCmd.force * (float)(g_Config.dInputVibrateMax * DI_EFFECTS_SCALE), DI_EFFECTS_MAX);
dFFMag = (DWORD)(ffCmd.force * (float)(g_Config.dInputVibrateMax * DI_EFFECTS_SCALE));
dip.dwMagnitude = max<DWORD>(0, min<DWORD>(dFFMag, DI_EFFECTS_MAX));
dip.lOffset = 0;
dip.dwPhase = 0;
dip.dwPeriod = (DWORD)(0.05 * DI_SECONDS); // 1/20th second