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SDLControllerInterface: Support half axis bindings

This commit is contained in:
Connor McLaughlin 2021-07-03 15:04:14 +10:00
parent a51fc5a149
commit 0ceb0f7a4a
1 changed files with 17 additions and 13 deletions
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30
src/frontend-common/sdl_controller_interface.cpp
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@ -376,8 +376,7 @@ bool SDLControllerInterface::HandleJoystickAxisEvent(const SDL_JoyAxisEvent* eve
const AxisCallback& hcb = it->axis_mapping[event->axis][AxisSide::Positive];
if (hcb)
{
// Expand 0..1 - -1..1
hcb(value * 2.0f - 1.0f);
hcb(value);
processed = true;
}
}
@ -386,8 +385,7 @@ bool SDLControllerInterface::HandleJoystickAxisEvent(const SDL_JoyAxisEvent* eve
const AxisCallback& hcb = it->axis_mapping[event->axis][AxisSide::Negative];
if (hcb)
{
// Expand 0..-1 - -1..1
hcb(value * -2.0f - 1.0f);
hcb(value);
processed = true;
}
}
@ -635,17 +633,23 @@ bool SDLControllerInterface::HandleControllerAxisEvent(const SDL_ControllerAxisE
const AxisCallback& cb = it->axis_mapping[ev->axis][AxisSide::Full];
if (cb)
{
// Extend triggers from a 0 - 1 range to a -1 - 1 range for consistency with other inputs
if (ev->axis == SDL_CONTROLLER_AXIS_TRIGGERLEFT || ev->axis == SDL_CONTROLLER_AXIS_TRIGGERRIGHT)
{
cb((value * 2.0f) - 1.0f);
}
else
{
cb(value);
}
cb(value);
return true;
}
else
{
const AxisCallback& positive_cb = it->axis_mapping[ev->axis][AxisSide::Positive];
const AxisCallback& negative_cb = it->axis_mapping[ev->axis][AxisSide::Negative];
if (positive_cb || negative_cb)
{
if (positive_cb)
positive_cb((value < 0.0f) ? 0.0f : value);
if (negative_cb)
negative_cb((value >= 0.0f) ? 0.0f : -value);
return true;
}
}
// set the other direction to false so large movements don't leave the opposite on
const bool outside_deadzone = (std::abs(value) >= it->deadzone);