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Save origin state of GC controller analog features, compare against origin for input detection

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This commit is contained in:
Ameer 2020-07-06 21:58:31 -04:00
parent b2997e5402
commit 68a4bc8179
3 changed files with 72 additions and 28 deletions
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17
src/input_common/gcadapter/gc_poller.cpp
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@ -34,7 +34,7 @@ public:
explicit GCAxisButton(int port_, int axis_, float threshold_, bool trigger_if_greater_,
GCAdapter::Adapter* adapter)
: port(port_), axis(axis_), threshold(threshold_), trigger_if_greater(trigger_if_greater_),
gcadapter(adapter) {
gcadapter(adapter), origin_value(adapter->GetOriginValue(port_, axis_)) {
// L/R triggers range is only in positive direction beginning near 0
// 0.0 threshold equates to near half trigger press, but threshold accounts for variability.
if (axis > 3) {
@ -43,7 +43,8 @@ public:
}
bool GetStatus() const override {
const float axis_value = (gcadapter->GetPadState()[port].axes.at(axis) - 128.0f) / 128.0f;
const float current_axis_value = gcadapter->GetPadState()[port].axes.at(axis);
const float axis_value = (current_axis_value - origin_value) / 128.0f;
if (trigger_if_greater) {
// TODO: Might be worthwile to set a slider for the trigger threshold. It is currently
// always set to 0.5 in configure_input_player.cpp ZL/ZR HandleClick
@ -58,6 +59,7 @@ private:
float threshold;
bool trigger_if_greater;
GCAdapter::Adapter* gcadapter;
const float origin_value;
};
GCButtonFactory::GCButtonFactory(std::shared_ptr<GCAdapter::Adapter> adapter_)
@ -144,14 +146,19 @@ void GCButtonFactory::EndConfiguration() {
class GCAnalog final : public Input::AnalogDevice {
public:
GCAnalog(int port_, int axis_x_, int axis_y_, float deadzone_, GCAdapter::Adapter* adapter)
: port(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), gcadapter(adapter) {}
: port(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), gcadapter(adapter),
origin_value_x(adapter->GetOriginValue(port_, axis_x_)),
origin_value_y(adapter->GetOriginValue(port_, axis_y_)) {}
float GetAxis(int axis) const {
std::lock_guard lock{mutex};
// division is not by a perfect 128 to account for some variance in center location
// e.g. my device idled at 131 in X, 120 in Y, and full range of motion was in range
// [20-230]
return (gcadapter->GetPadState()[port].axes.at(axis) - 128.0f) / 95.0f;
if (axis % 2 == 0)
return (gcadapter->GetPadState()[port].axes.at(axis) - origin_value_x) / 95.0f;
else
return (gcadapter->GetPadState()[port].axes.at(axis) - origin_value_y) / 95.0f;
}
std::pair<float, float> GetAnalog(int axis_x, int axis_y) const {
@ -201,6 +208,8 @@ private:
const int axis_x;
const int axis_y;
const float deadzone;
const float origin_value_x;
const float origin_value_y;
mutable std::mutex mutex;
GCAdapter::Adapter* gcadapter;
};