diff --git a/src/input_common/gcadapter/gc_adapter.cpp b/src/input_common/gcadapter/gc_adapter.cpp
index 38210ffcb..898a278a9 100644
--- a/src/input_common/gcadapter/gc_adapter.cpp
+++ b/src/input_common/gcadapter/gc_adapter.cpp
@@ -25,6 +25,7 @@ Adapter::Adapter() {
LOG_INFO(Input, "GC Adapter Initialization started");
current_status = NO_ADAPTER_DETECTED;
+ get_origin.fill(true);
const int init_res = libusb_init(&libusb_ctx);
if (init_res == LIBUSB_SUCCESS) {
@@ -36,13 +37,8 @@ Adapter::Adapter() {
GCPadStatus Adapter::GetPadStatus(std::size_t port, const std::array<u8, 37>& adapter_payload) {
GCPadStatus pad = {};
- bool get_origin = false;
ControllerTypes type = ControllerTypes(adapter_payload[1 + (9 * port)] >> 4);
- if (type != ControllerTypes::None) {
- get_origin = true;
- }
-
adapter_controllers_status[port] = type;
static constexpr std::array<PadButton, 8> b1_buttons{
@@ -58,6 +54,11 @@ GCPadStatus Adapter::GetPadStatus(std::size_t port, const std::array<u8, 37>& ad
PadButton::PAD_TRIGGER_L,
};
+ if (adapter_controllers_status[port] == ControllerTypes::None && !get_origin[port]) {
+ // Controller may have been disconnected, recalibrate if reconnected.
+ get_origin[port] = true;
+ }
+
if (adapter_controllers_status[port] != ControllerTypes::None) {
const u8 b1 = adapter_payload[1 + (9 * port) + 1];
const u8 b2 = adapter_payload[1 + (9 * port) + 2];
@@ -74,16 +75,22 @@ GCPadStatus Adapter::GetPadStatus(std::size_t port, const std::array<u8, 37>& ad
}
}
- if (get_origin) {
- pad.button |= PAD_GET_ORIGIN;
- }
-
pad.stick_x = adapter_payload[1 + (9 * port) + 3];
pad.stick_y = adapter_payload[1 + (9 * port) + 4];
pad.substick_x = adapter_payload[1 + (9 * port) + 5];
pad.substick_y = adapter_payload[1 + (9 * port) + 6];
pad.trigger_left = adapter_payload[1 + (9 * port) + 7];
pad.trigger_right = adapter_payload[1 + (9 * port) + 8];
+
+ if (get_origin[port]) {
+ origin_status[port].stick_x = pad.stick_x;
+ origin_status[port].stick_y = pad.stick_y;
+ origin_status[port].substick_x = pad.substick_x;
+ origin_status[port].substick_y = pad.substick_y;
+ origin_status[port].trigger_left = pad.trigger_left;
+ origin_status[port].trigger_right = pad.trigger_right;
+ get_origin[port] = false;
+ }
}
return pad;
}
@@ -132,31 +139,31 @@ void Adapter::Read() {
for (std::size_t port = 0; port < pads.size(); ++port) {
pads[port] = GetPadStatus(port, adapter_payload_copy);
if (DeviceConnected(port) && configuring) {
- if (pads[port].button != PAD_GET_ORIGIN) {
+ if (pads[port].button != 0) {
pad_queue[port].Push(pads[port]);
}
// Accounting for a threshold here because of some controller variance
- if (pads[port].stick_x > pads[port].MAIN_STICK_CENTER_X + pads[port].THRESHOLD ||
- pads[port].stick_x < pads[port].MAIN_STICK_CENTER_X - pads[port].THRESHOLD) {
+ if (pads[port].stick_x > origin_status[port].stick_x + pads[port].THRESHOLD ||
+ pads[port].stick_x < origin_status[port].stick_x - pads[port].THRESHOLD) {
pads[port].axis = GCAdapter::PadAxes::StickX;
pads[port].axis_value = pads[port].stick_x;
pad_queue[port].Push(pads[port]);
}
- if (pads[port].stick_y > pads[port].MAIN_STICK_CENTER_Y + pads[port].THRESHOLD ||
- pads[port].stick_y < pads[port].MAIN_STICK_CENTER_Y - pads[port].THRESHOLD) {
+ if (pads[port].stick_y > origin_status[port].stick_y + pads[port].THRESHOLD ||
+ pads[port].stick_y < origin_status[port].stick_y - pads[port].THRESHOLD) {
pads[port].axis = GCAdapter::PadAxes::StickY;
pads[port].axis_value = pads[port].stick_y;
pad_queue[port].Push(pads[port]);
}
- if (pads[port].substick_x > pads[port].C_STICK_CENTER_X + pads[port].THRESHOLD ||
- pads[port].substick_x < pads[port].C_STICK_CENTER_X - pads[port].THRESHOLD) {
+ if (pads[port].substick_x > origin_status[port].substick_x + pads[port].THRESHOLD ||
+ pads[port].substick_x < origin_status[port].substick_x - pads[port].THRESHOLD) {
pads[port].axis = GCAdapter::PadAxes::SubstickX;
pads[port].axis_value = pads[port].substick_x;
pad_queue[port].Push(pads[port]);
}
- if (pads[port].substick_y > pads[port].C_STICK_CENTER_Y + pads[port].THRESHOLD ||
- pads[port].substick_y < pads[port].C_STICK_CENTER_Y - pads[port].THRESHOLD) {
+ if (pads[port].substick_y > origin_status[port].substick_y + pads[port].THRESHOLD ||
+ pads[port].substick_y < origin_status[port].substick_y - pads[port].THRESHOLD) {
pads[port].axis = GCAdapter::PadAxes::SubstickY;
pads[port].axis_value = pads[port].substick_y;
pad_queue[port].Push(pads[port]);
@@ -237,6 +244,9 @@ void Adapter::Setup() {
}
libusb_free_device_list(devices, 1);
}
+ // Break out of the ScanThreadFunc() loop that is constantly looking for the device
+ // Assumes user has GC adapter plugged in before launch to use the adapter
+ detect_thread_running = false;
}
bool Adapter::CheckDeviceAccess(libusb_device* device) {
@@ -345,6 +355,7 @@ void Adapter::Reset() {
adapter_input_thread.join();
adapter_controllers_status.fill(ControllerTypes::None);
+ get_origin.fill(true);
current_status = NO_ADAPTER_DETECTED;
if (usb_adapter_handle) {
@@ -367,6 +378,7 @@ void Adapter::ResetDeviceType(std::size_t port) {
}
void Adapter::BeginConfiguration() {
+ get_origin.fill(true);
for (auto& pq : pad_queue) {
pq.Clear();
}
@@ -396,4 +408,25 @@ const std::array<GCState, 4>& Adapter::GetPadState() const {
return state;
}
+int Adapter::GetOriginValue(int port, int axis) const {
+ const auto& status = origin_status[port];
+
+ switch (static_cast<PadAxes>(axis)) {
+ case PadAxes::StickX:
+ return status.stick_x;
+ case PadAxes::StickY:
+ return status.stick_y;
+ case PadAxes::SubstickX:
+ return status.substick_x;
+ case PadAxes::SubstickY:
+ return status.substick_y;
+ case PadAxes::TriggerLeft:
+ return status.trigger_left;
+ case PadAxes::TriggerRight:
+ return status.trigger_right;
+ default:
+ return 0;
+ }
+}
+
} // namespace GCAdapter
diff --git a/src/input_common/gcadapter/gc_adapter.h b/src/input_common/gcadapter/gc_adapter.h
index e2cdd6255..3586c8bda 100644
--- a/src/input_common/gcadapter/gc_adapter.h
+++ b/src/input_common/gcadapter/gc_adapter.h
@@ -17,12 +17,6 @@ struct libusb_device_handle;
namespace GCAdapter {
-enum {
- PAD_USE_ORIGIN = 0x0080,
- PAD_GET_ORIGIN = 0x2000,
- PAD_ERR_STATUS = 0x8000,
-};
-
enum class PadButton {
PAD_BUTTON_LEFT = 0x0001,
PAD_BUTTON_RIGHT = 0x0002,
@@ -109,6 +103,8 @@ public:
std::array<GCState, 4>& GetPadState();
const std::array<GCState, 4>& GetPadState() const;
+ int GetOriginValue(int port, int axis) const;
+
private:
GCPadStatus GetPadStatus(std::size_t port, const std::array<u8, 37>& adapter_payload);
@@ -159,6 +155,8 @@ private:
std::array<Common::SPSCQueue<GCPadStatus>, 4> pad_queue;
std::array<GCState, 4> state;
+ std::array<bool, 4> get_origin;
+ std::array<GCPadStatus, 4> origin_status;
};
} // namespace GCAdapter
diff --git a/src/input_common/gcadapter/gc_poller.cpp b/src/input_common/gcadapter/gc_poller.cpp
index b20419ec3..96e22d3ad 100644
--- a/src/input_common/gcadapter/gc_poller.cpp
+++ b/src/input_common/gcadapter/gc_poller.cpp
@@ -38,18 +38,12 @@ 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) {
- // 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) {
- threshold *= -0.5;
- }
- }
+ gcadapter(adapter), origin_value(adapter->GetOriginValue(port_, axis_)) {}
bool GetStatus() const override {
if (gcadapter->DeviceConnected(port)) {
- 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
@@ -66,6 +60,7 @@ private:
float threshold;
bool trigger_if_greater;
GCAdapter::Adapter* gcadapter;
+ const float origin_value;
};
GCButtonFactory::GCButtonFactory(std::shared_ptr<GCAdapter::Adapter> adapter_)
@@ -155,15 +150,18 @@ 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 {
if (gcadapter->DeviceConnected(port)) {
std::lock_guard lock{mutex};
+ const auto origin_value = axis % 2 == 0 ? origin_value_x : origin_value_y;
// 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;
+ return (gcadapter->GetPadState()[port].axes.at(axis) - origin_value) / 95.0f;
}
return 0.0f;
}
@@ -215,8 +213,10 @@ private:
const int axis_x;
const int axis_y;
const float deadzone;
- mutable std::mutex mutex;
GCAdapter::Adapter* gcadapter;
+ const float origin_value_x;
+ const float origin_value_y;
+ mutable std::mutex mutex;
};
/// An analog device factory that creates analog devices from GC Adapter