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SDL: Remove duplicate button/hat Inputs. Hide duplicate Axis Inputs.
This commit is contained in:
Jordan Woyak
parent
ee43c9508c
commit
3a85725ffa
@ -4,6 +4,7 @@
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#include "InputCommon/ControllerInterface/SDL/SDL.h"
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#include <thread>
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#include <unordered_set>
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#include <vector>
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#include <SDL.h>
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@ -11,8 +12,8 @@
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#include "Common/Event.h"
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#include "Common/Logging/Log.h"
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#include "Common/MathUtil.h"
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#include "Common/ScopeGuard.h"
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#include "Common/StringUtil.h"
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#include "InputCommon/ControllerInterface/ControllerInterface.h"
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#ifdef _WIN32
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@ -24,6 +25,39 @@ namespace ciface::Core
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class Device;
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}
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namespace
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{
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std::string GetLegacyButtonName(int index)
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{
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return "Button " + std::to_string(index);
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}
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std::string GetLegacyAxisName(int index, int range)
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{
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return "Axis " + std::to_string(index) + (range < 0 ? '-' : '+');
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}
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std::string GetLegacyHatName(int index, int direction)
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{
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return "Hat " + std::to_string(index) + ' ' + "NESW"[direction];
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}
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constexpr int GetDirectionFromHatMask(u8 mask)
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{
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return MathUtil::IntLog2(mask);
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}
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static_assert(GetDirectionFromHatMask(SDL_HAT_UP) == 0);
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static_assert(GetDirectionFromHatMask(SDL_HAT_LEFT) == 3);
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bool IsTriggerAxis(int index)
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{
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// First 4 axes are for the analog sticks, the rest are for the triggers
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return index >= 4;
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}
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} // namespace
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namespace ciface::SDL
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{
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@ -64,54 +98,48 @@ private:
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class LegacyButton : public Core::Device::Input
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{
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public:
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std::string GetName() const override;
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LegacyButton(SDL_Joystick* js, int index, bool is_detectable)
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: m_js(js), m_index(index), m_is_detectable(is_detectable)
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{
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}
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bool IsDetectable() const override { return m_is_detectable; }
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std::string GetName() const override { return GetLegacyButtonName(m_index); }
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LegacyButton(SDL_Joystick* js, int index) : m_js(js), m_index(index) {}
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ControlState GetState() const override;
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private:
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SDL_Joystick* const m_js;
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const int m_index;
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const bool m_is_detectable;
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};
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class LegacyAxis : public Core::Device::Input
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{
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public:
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std::string GetName() const override;
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LegacyAxis(SDL_Joystick* js, int index, s16 range, bool is_detectable)
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: m_js(js), m_index(index), m_range(range), m_is_detectable(is_detectable)
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std::string GetName() const override { return GetLegacyAxisName(m_index, m_range); }
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LegacyAxis(SDL_Joystick* js, int index, s16 range, bool is_handled_elsewhere)
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: m_js(js), m_index(index), m_range(range), m_is_handled_elsewhere(is_handled_elsewhere)
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{
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}
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bool IsDetectable() const override { return m_is_detectable; }
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ControlState GetState() const override;
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bool IsHidden() const override { return m_is_handled_elsewhere; }
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bool IsDetectable() const override { return !IsHidden(); }
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private:
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SDL_Joystick* const m_js;
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const int m_index;
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const s16 m_range;
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const bool m_is_detectable;
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const bool m_is_handled_elsewhere;
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};
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class LegacyHat : public Input
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{
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public:
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std::string GetName() const override;
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LegacyHat(SDL_Joystick* js, int index, u8 direction, bool is_detectable)
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: m_js(js), m_index(index), m_direction(direction), m_is_detectable(is_detectable)
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std::string GetName() const override { return GetLegacyHatName(m_index, m_direction); }
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LegacyHat(SDL_Joystick* js, int index, u8 direction)
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: m_js(js), m_index(index), m_direction(direction)
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{
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}
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bool IsDetectable() const override { return m_is_detectable; }
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ControlState GetState() const override;
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private:
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SDL_Joystick* const m_js;
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const int m_index;
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const u8 m_direction;
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const bool m_is_detectable;
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};
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// Rumble
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@ -565,48 +593,26 @@ GameController::GameController(SDL_GameController* const gamecontroller,
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name = SDL_JoystickName(joystick);
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m_name = name != nullptr ? name : "Unknown";
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// If a Joystick Button has a GameController equivalent, don't detect it
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int n_legacy_buttons = SDL_JoystickNumButtons(joystick);
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if (n_legacy_buttons < 0)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Error in SDL_JoystickNumButtons(): {}", SDL_GetError());
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n_legacy_buttons = 0;
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}
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int n_legacy_axes = SDL_JoystickNumAxes(joystick);
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if (n_legacy_axes < 0)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Error in SDL_JoystickNumAxes(): {}", SDL_GetError());
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n_legacy_axes = 0;
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}
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int n_legacy_hats = SDL_JoystickNumHats(joystick);
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if (n_legacy_hats < 0)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Error in SDL_JoystickNumHats(): {}", SDL_GetError());
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n_legacy_hats = 0;
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}
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std::vector<bool> is_button_mapped(static_cast<size_t>(n_legacy_buttons), false);
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std::vector<bool> is_axis_mapped(static_cast<size_t>(n_legacy_axes), false);
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std::vector<bool> is_hat_mapped(static_cast<size_t>(n_legacy_hats), false);
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// If a Joystick input has a GameController equivalent button/hat we don't add it.
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// "Equivalent" axes are still added as hidden/undetectable inputs to handle
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// loading of existing configs which may use "full surface" inputs.
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// Otherwise handling those would require dealing with gamepad specific quirks.
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std::unordered_set<int> registered_buttons;
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std::unordered_set<int> registered_hats;
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std::unordered_set<int> registered_axes;
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const auto register_mapping = [&](const SDL_GameControllerButtonBind& bind) {
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switch (bind.bindType)
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{
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case SDL_CONTROLLER_BINDTYPE_NONE:
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return;
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case SDL_CONTROLLER_BINDTYPE_BUTTON:
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if (bind.value.button >= 0 && bind.value.button < n_legacy_buttons)
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is_button_mapped[bind.value.button] = true;
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break;
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case SDL_CONTROLLER_BINDTYPE_AXIS:
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if (bind.value.axis >= 0 && bind.value.axis < n_legacy_axes)
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is_axis_mapped[bind.value.axis] = true;
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registered_buttons.insert(bind.value.button);
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break;
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case SDL_CONTROLLER_BINDTYPE_HAT:
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if (bind.value.hat.hat >= 0 && bind.value.hat.hat < n_legacy_hats)
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is_hat_mapped[bind.value.hat.hat] = true;
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registered_hats.insert(bind.value.hat.hat);
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break;
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case SDL_CONTROLLER_BINDTYPE_AXIS:
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registered_axes.insert(bind.value.axis);
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break;
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default:
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break;
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}
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};
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@ -622,6 +628,7 @@ GameController::GameController(SDL_GameController* const gamecontroller,
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if (SDL_GameControllerHasButton(m_gamecontroller, button))
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{
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AddInput(new Button(gamecontroller, button));
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register_mapping(SDL_GameControllerGetBindForButton(gamecontroller, button));
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}
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}
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@ -632,20 +639,21 @@ GameController::GameController(SDL_GameController* const gamecontroller,
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SDL_GameControllerAxis axis = static_cast<SDL_GameControllerAxis>(i);
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if (SDL_GameControllerHasAxis(m_gamecontroller, axis))
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{
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// First 4 axes are for the analog sticks, the rest are for the triggers
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if (i < 4)
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if (IsTriggerAxis(axis))
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{
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AddInput(new Axis(m_gamecontroller, 32767, axis));
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}
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else
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{
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// Each axis gets a negative and a positive input instance associated with it
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AddInput(new Axis(m_gamecontroller, -32768, axis));
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AddInput(new Axis(m_gamecontroller, 32767, axis));
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}
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else
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{
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AddInput(new Axis(m_gamecontroller, 32767, axis));
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}
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register_mapping(SDL_GameControllerGetBindForAxis(gamecontroller, axis));
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}
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}
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// Rumble
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if (SDL_GameControllerHasRumble(m_gamecontroller))
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{
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@ -655,14 +663,14 @@ GameController::GameController(SDL_GameController* const gamecontroller,
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}
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// Motion
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const auto add_sensor = [this](SDL_SensorType type, std::string_view name,
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const auto add_sensor = [this](SDL_SensorType type, std::string_view sensor_name,
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const SDLMotionAxisList& axes) {
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if (SDL_GameControllerSetSensorEnabled(m_gamecontroller, type, SDL_TRUE) == 0)
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{
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for (const SDLMotionAxis& axis : axes)
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{
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AddInput(new MotionInput(fmt::format("{} {}", name, axis.name), m_gamecontroller, type,
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axis.index, axis.scale));
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AddInput(new MotionInput(fmt::format("{} {}", sensor_name, axis.name), m_gamecontroller,
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type, axis.index, axis.scale));
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}
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}
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};
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@ -678,23 +686,51 @@ GameController::GameController(SDL_GameController* const gamecontroller,
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// Legacy inputs
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// Buttons
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int n_legacy_buttons = SDL_JoystickNumButtons(joystick);
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if (n_legacy_buttons < 0)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Error in SDL_JoystickNumButtons(): {}", SDL_GetError());
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n_legacy_buttons = 0;
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}
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for (int i = 0; i != n_legacy_buttons; ++i)
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AddInput(new LegacyButton(m_joystick, i, !is_button_mapped[i]));
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{
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if (registered_buttons.contains(i))
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continue;
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AddInput(new LegacyButton(m_joystick, i));
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}
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// Axes
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int n_legacy_axes = SDL_JoystickNumAxes(joystick);
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if (n_legacy_axes < 0)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Error in SDL_JoystickNumAxes(): {}", SDL_GetError());
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n_legacy_axes = 0;
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}
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for (int i = 0; i != n_legacy_axes; ++i)
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{
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const bool is_registered = registered_axes.contains(i);
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// each axis gets a negative and a positive input instance associated with it
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AddAnalogInputs(new LegacyAxis(m_joystick, i, -32768, !is_axis_mapped[i]),
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new LegacyAxis(m_joystick, i, 32767, !is_axis_mapped[i]));
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AddAnalogInputs(new LegacyAxis(m_joystick, i, -32768, is_registered),
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new LegacyAxis(m_joystick, i, 32767, is_registered));
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}
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// Hats
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int n_legacy_hats = SDL_JoystickNumHats(joystick);
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if (n_legacy_hats < 0)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "Error in SDL_JoystickNumHats(): {}", SDL_GetError());
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n_legacy_hats = 0;
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}
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for (int i = 0; i != n_legacy_hats; ++i)
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{
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if (registered_hats.contains(i))
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continue;
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// each hat gets 4 input instances associated with it, (up down left right)
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for (u8 d = 0; d != 4; ++d)
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AddInput(new LegacyHat(m_joystick, i, d, !is_hat_mapped[i]));
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AddInput(new LegacyHat(m_joystick, i, d));
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}
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// Haptics
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@ -783,8 +819,7 @@ std::string GameController::Button::GetName() const
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std::string GameController::Axis::GetName() const
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{
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// The triggers are only positive, and must not have a sign
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if (m_axis >= 4)
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if (IsTriggerAxis(m_axis))
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return std::string(s_sdl_axis_names[m_axis]);
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bool negative = m_range < 0;
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@ -820,7 +855,19 @@ bool GameController::Button::IsMatchingName(std::string_view name) const
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return GetName() == "Button W";
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if (name == "Button Y")
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return GetName() == "Button N";
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return false;
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// Match legacy names.
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const auto bind = SDL_GameControllerGetBindForButton(m_gc, m_button);
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switch (bind.bindType)
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{
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case SDL_CONTROLLER_BINDTYPE_BUTTON:
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return name == GetLegacyButtonName(bind.value.button);
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case SDL_CONTROLLER_BINDTYPE_HAT:
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return name == GetLegacyHatName(bind.value.hat.hat,
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GetDirectionFromHatMask(u8(bind.value.hat.hat_mask)));
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default:
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return false;
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}
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}
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ControlState GameController::MotionInput::GetState() const
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@ -831,21 +878,6 @@ ControlState GameController::MotionInput::GetState() const
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}
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// Legacy input
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std::string GameController::LegacyButton::GetName() const
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{
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return "Button " + std::to_string(m_index);
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}
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std::string GameController::LegacyAxis::GetName() const
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{
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return "Axis " + std::to_string(m_index) + (m_range < 0 ? '-' : '+');
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}
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std::string GameController::LegacyHat::GetName() const
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{
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return "Hat " + std::to_string(m_index) + ' ' + "NESW"[m_direction];
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}
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ControlState GameController::LegacyButton::GetState() const
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{
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return SDL_JoystickGetButton(m_js, m_index);
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