archive/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2024-09-20 19:31:53 +02:00
Code Issues Projects Releases Packages Wiki Activity

Merge pull request #7680 from jordan-woyak/dinput-axis-range

Browse source 
DirectInput: Use more than 8 bits of precision on axis inputs.
This commit is contained in:
Léo Lam 2019-01-16 18:52:11 +01:00 committed by GitHub
commit b2de98cad1
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
Source/Core/InputCommon/ControllerInterface/DInput/DInputJoystick.cpp
View file

@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include <algorithm>
#include <limits>
#include <map>
#include <sstream>
@ -121,13 +122,13 @@ Joystick::Joystick(/*const LPCDIDEVICEINSTANCE lpddi, */ const LPDIRECTINPUTDEVI
for (unsigned int offset = 0; offset < DIJOFS_BUTTON(0) / sizeof(LONG); ++offset)
{
range.diph.dwObj = offset * sizeof(LONG);
// try to set some nice power of 2 values (128) to match the GameCube controls
range.lMin = -(1 << 7);
range.lMax = (1 << 7);
// Try to set a range with 16 bits of precision:
range.lMin = std::numeric_limits<s16>::min();
range.lMax = std::numeric_limits<s16>::max();
m_device->SetProperty(DIPROP_RANGE, &range.diph);
// but I guess not all devices support setting range
// so I getproperty right afterward incase it didn't set.
// This also checks that the axis is present
// Not all devices support setting DIPROP_RANGE so we must GetProperty right back.
// This also checks that the axis is present.
// Note: Even though not all devices support setting DIPROP_RANGE, some require it.
if (SUCCEEDED(m_device->GetProperty(DIPROP_RANGE, &range.diph)))
{
const LONG base = (range.lMin + range.lMax) / 2;