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Exzap
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246
src/input/api/Controller.cpp
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246
src/input/api/Controller.cpp
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#include "input/api/Controller.h"
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#include "gui/guiWrapper.h"
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ControllerBase::ControllerBase(std::string_view uuid, std::string_view display_name)
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: m_uuid{uuid}, m_display_name{display_name}
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{
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}
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const ControllerState& ControllerBase::update_state()
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{
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if (!m_is_calibrated)
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calibrate();
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ControllerState result = raw_state();
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// ignore default buttons
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result.buttons &= ~m_default_state.buttons;
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// apply deadzone and range and ignore default axis values
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apply_axis_setting(result.axis, m_default_state.axis, m_settings.axis);
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apply_axis_setting(result.rotation, m_default_state.rotation, m_settings.rotation);
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apply_axis_setting(result.trigger, m_default_state.trigger, m_settings.trigger);
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#define APPLY_AXIS_BUTTON(_axis_, _flag_) \
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if (result._axis_.x < -ControllerState::kAxisThreshold) \
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result.buttons.set((_flag_) + (kAxisXN - kAxisXP)); \
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else if (result._axis_.x > ControllerState::kAxisThreshold) \
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result.buttons.set((_flag_)); \
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if (result._axis_.y < -ControllerState::kAxisThreshold) \
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result.buttons.set((_flag_) + 1 + (kAxisXN - kAxisXP)); \
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else if (result._axis_.y > ControllerState::kAxisThreshold) \
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result.buttons.set((_flag_) + 1);
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if (result.axis.x < -ControllerState::kAxisThreshold)
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result.buttons.set((kAxisXP) + (kAxisXN - kAxisXP));
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else if (result.axis.x > ControllerState::kAxisThreshold)
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result.buttons.set((kAxisXP));
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if (result.axis.y < -ControllerState::kAxisThreshold)
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result.buttons.set((kAxisXP) + 1 + (kAxisXN - kAxisXP));
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else if (result.axis.y > ControllerState::kAxisThreshold)
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result.buttons.set((kAxisXP) + 1);;
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APPLY_AXIS_BUTTON(rotation, kRotationXP);
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APPLY_AXIS_BUTTON(trigger, kTriggerXP);
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/*
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// positive values
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kAxisXP,
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kAxisYP,
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kRotationXP,
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kRotationYP,
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kTriggerXP,
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kTriggerYP,
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// negative values
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kAxisXN,
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kAxisYN,
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kRotationXN,
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kRotationYN,
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kTriggerXN,
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kTriggerYN,
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*/
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#undef APPLY_AXIS_BUTTON
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m_last_state = result;
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return m_last_state;
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}
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void ControllerBase::apply_axis_setting(glm::vec2& axis, const glm::vec2& default_value,
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const AxisSetting& setting) const
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{
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constexpr float kMaxValue = 1.0f + ControllerState::kMinAxisValue;
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if (setting.deadzone < 1.0f)
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{
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if (axis.x < default_value.x)
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axis.x = (axis.x - default_value.x) / (kMaxValue + default_value.x);
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else
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axis.x = (axis.x - default_value.x) / (kMaxValue - default_value.x);
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if (axis.y < default_value.y)
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axis.y = (axis.y - default_value.y) / (kMaxValue + default_value.y);
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else
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axis.y = (axis.y - default_value.y) / (kMaxValue - default_value.y);
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auto len = length(axis);
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if (len >= setting.deadzone)
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{
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axis *= setting.range;
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len = length(axis);
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// Scaled Radial Dead Zone: stickInput = stickInput.normalized * ((stickInput.magnitude - deadzone) / (1 - deadzone));
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if (len > 0)
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{
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axis = normalize(axis);
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axis *= ((len - setting.deadzone) / (kMaxValue - setting.deadzone));
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if (length(axis) > 1.0f)
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axis = normalize(axis);
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}
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if (axis.x != 0 || axis.y != 0)
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{
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if (std::abs(axis.x) < ControllerState::kMinAxisValue)
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axis.x = ControllerState::kMinAxisValue;
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if (std::abs(axis.y) < ControllerState::kMinAxisValue)
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axis.y = ControllerState::kMinAxisValue;
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}
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return;
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}
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}
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axis = {0, 0};
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}
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bool ControllerBase::operator==(const ControllerBase& c) const
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{
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return api() == c.api() && uuid() == c.uuid();
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}
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float ControllerBase::get_axis_value(uint64 button) const
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{
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if (m_last_state.buttons.test(button))
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{
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if (button <= kButtonNoneAxisMAX || !has_axis())
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return 1.0f;
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switch (button)
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{
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case kAxisXP:
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case kAxisXN:
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return std::abs(m_last_state.axis.x);
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case kAxisYP:
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case kAxisYN:
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return std::abs(m_last_state.axis.y);
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case kRotationXP:
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case kRotationXN:
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return std::abs(m_last_state.rotation.x);
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case kRotationYP:
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case kRotationYN:
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return std::abs(m_last_state.rotation.y);
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case kTriggerXP:
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case kTriggerXN:
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return std::abs(m_last_state.trigger.x);
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case kTriggerYP:
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case kTriggerYN:
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return std::abs(m_last_state.trigger.y);
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}
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}
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return 0;
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}
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const ControllerState& ControllerBase::calibrate()
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{
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m_default_state = raw_state();
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m_is_calibrated = is_connected();
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return m_default_state;
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}
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std::string ControllerBase::get_button_name(uint64 button) const
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{
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switch (button)
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{
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case kButtonZL: return "ZL";
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case kButtonZR: return "ZR";
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case kButtonUp: return "DPAD-Up";
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case kButtonDown: return "DPAD-Down";
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case kButtonLeft: return "DPAD-Left";
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case kButtonRight: return "DPAD-Right";
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case kAxisXP: return "X-Axis+";
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case kAxisYP: return "Y-Axis+";
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case kAxisXN: return "X-Axis-";
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case kAxisYN: return "Y-Axis-";
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case kRotationXP: return "X-Rotation+";
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case kRotationYP: return "Y-Rotation+";
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case kRotationXN: return "X-Rotation-";
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case kRotationYN: return "Y-Rotation-";
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case kTriggerXP: return "X-Trigger+";
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case kTriggerYP: return "Y-Trigger+";
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case kTriggerXN: return "X-Trigger-";
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case kTriggerYN: return "y-Trigger-";
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}
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return fmt::format("Button {}", (uint64)button);
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}
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ControllerBase::Settings ControllerBase::get_settings() const
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{
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std::scoped_lock lock(m_settings_mutex);
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return m_settings;
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}
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void ControllerBase::set_settings(const Settings& settings)
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{
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std::scoped_lock lock(m_settings_mutex);
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m_settings = settings;
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}
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void ControllerBase::set_axis_settings(const AxisSetting& settings)
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{
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std::scoped_lock lock(m_settings_mutex);
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m_settings.axis = settings;
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}
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void ControllerBase::set_rotation_settings(const AxisSetting& settings)
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{
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std::scoped_lock lock(m_settings_mutex);
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m_settings.rotation = settings;
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}
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void ControllerBase::set_trigger_settings(const AxisSetting& settings)
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{
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std::scoped_lock lock(m_settings_mutex);
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m_settings.trigger = settings;
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}
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void ControllerBase::set_rumble(float rumble)
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{
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std::scoped_lock lock(m_settings_mutex);
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m_settings.rumble = rumble;
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}
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void ControllerBase::set_use_motion(bool state)
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{
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std::scoped_lock lock(m_settings_mutex);
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m_settings.motion = state;
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}
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