float* _glfwPlatformGetJoystickAxes(int joy, int* count)
{
JOYCAPS jc;
JOYINFOEX ji;
float* axes = _glfw.win32.joystick[joy].axes;
if (_glfw_joyGetDevCaps(joy, &jc, sizeof(JOYCAPS)) != JOYERR_NOERROR)
return NULL;
ji.dwSize = sizeof(JOYINFOEX);
ji.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ |
JOY_RETURNR | JOY_RETURNU | JOY_RETURNV;
if (_glfw_joyGetPosEx(joy, &ji) != JOYERR_NOERROR)
return NULL;
axes[(*count)++] = calcJoystickPos(ji.dwXpos, jc.wXmin, jc.wXmax);
axes[(*count)++] = -calcJoystickPos(ji.dwYpos, jc.wYmin, jc.wYmax);
if (jc.wCaps & JOYCAPS_HASZ)
axes[(*count)++] = calcJoystickPos(ji.dwZpos, jc.wZmin, jc.wZmax);
if (jc.wCaps & JOYCAPS_HASR)
axes[(*count)++] = calcJoystickPos(ji.dwRpos, jc.wRmin, jc.wRmax);
if (jc.wCaps & JOYCAPS_HASU)
axes[(*count)++] = calcJoystickPos(ji.dwUpos, jc.wUmin, jc.wUmax);
if (jc.wCaps & JOYCAPS_HASV)
axes[(*count)++] = -calcJoystickPos(ji.dwVpos, jc.wVmin, jc.wVmax);
return axes;
}
int _glfwPlatformGetJoystickPos(int joy, float* pos, int numaxes)
{
JOYCAPS jc;
JOYINFOEX ji;
int axis;
if (!isJoystickPresent(joy))
return 0;
// Get joystick capabilities
_glfw_joyGetDevCaps(joy - GLFW_JOYSTICK_1, &jc, sizeof(JOYCAPS));
// Get joystick state
ji.dwSize = sizeof(JOYINFOEX);
ji.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ |
JOY_RETURNR | JOY_RETURNU | JOY_RETURNV;
_glfw_joyGetPosEx(joy - GLFW_JOYSTICK_1, &ji);
// Get position values for all axes
axis = 0;
if (axis < numaxes)
pos[axis++] = calcJoystickPos(ji.dwXpos, jc.wXmin, jc.wXmax);
if (axis < numaxes)
pos[axis++] = -calcJoystickPos(ji.dwYpos, jc.wYmin, jc.wYmax);
if (axis < numaxes && jc.wCaps & JOYCAPS_HASZ)
pos[axis++] = calcJoystickPos(ji.dwZpos, jc.wZmin, jc.wZmax);
if (axis < numaxes && jc.wCaps & JOYCAPS_HASR)
pos[axis++] = calcJoystickPos(ji.dwRpos, jc.wRmin, jc.wRmax);
if (axis < numaxes && jc.wCaps & JOYCAPS_HASU)
pos[axis++] = calcJoystickPos(ji.dwUpos, jc.wUmin, jc.wUmax);
if (axis < numaxes && jc.wCaps & JOYCAPS_HASV)
pos[axis++] = -calcJoystickPos(ji.dwVpos, jc.wVmin, jc.wVmax);
return axis;
}
