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Commit b8931fdc authored by Ivo Ivanov's avatar Ivo Ivanov Committed by Alexandre Julliard
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dinput: Introduce a new set_parameter_value_angle helper.

To correctly scale angle values and warn about unexpected units. Signed-off-by: 's avatarRémi Bernon <rbernon@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent fca0f18d
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Showing with 13 additions and 1 deletion
dlls/dinput/joystick_hid.c
View file @ b8931fdc
......@@ -2596,6 +2596,18 @@ static void set_parameter_value( struct hid_joystick_effect *impl, char *report_
return set_report_value( impl->joystick, report_buf, caps, value );
}
static void set_parameter_value_angle( struct hid_joystick_effect *impl, char *report_buf,
struct hid_value_caps *caps, LONG value )
{
LONG exp;
if (!caps) return;
exp = caps->units_exp;
if (caps->units != 0x14) WARN( "unknown angle unit caps %x\n", caps->units );
else if (exp < -2) while (exp++ < -2) value *= 10;
else if (exp > -2) while (exp-- > -2) value /= 10;
set_parameter_value( impl, report_buf, caps, value );
}
static void set_parameter_value_us( struct hid_joystick_effect *impl, char *report_buf,
struct hid_value_caps *caps, LONG value )
{
......@@ -2766,7 +2778,7 @@ static HRESULT WINAPI hid_joystick_effect_Download( IDirectInputEffect *iface )
{
tmp = directions[i] + (i == 0 ? 9000 : 0);
caps = effect_update->direction_caps[effect_update->direction_count - i - 1];
set_parameter_value( impl, impl->effect_update_buf, caps, tmp % 36000 );
set_parameter_value_angle( impl, impl->effect_update_buf, caps, tmp % 36000 );
}
status = HidP_SetUsageValue( HidP_Output, HID_USAGE_PAGE_PID, 0, PID_USAGE_TRIGGER_BUTTON,
......
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