5deecd714b
Allows us to be more explicit with the representation of button states and use the provided bit manipulation operators
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/core.h"
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#include "core/hid/hid_types.h"
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#include "core/hid/input_interpreter.h"
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#include "core/hle/service/hid/controllers/npad.h"
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#include "core/hle/service/hid/hid.h"
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#include "core/hle/service/sm/sm.h"
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InputInterpreter::InputInterpreter(Core::System& system)
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: npad{system.ServiceManager()
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.GetService<Service::HID::Hid>("hid")
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->GetAppletResource()
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->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad)} {
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ResetButtonStates();
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}
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InputInterpreter::~InputInterpreter() = default;
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void InputInterpreter::PollInput() {
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const auto button_state = npad.GetAndResetPressState();
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previous_index = current_index;
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current_index = (current_index + 1) % button_states.size();
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button_states[current_index] = button_state;
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}
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void InputInterpreter::ResetButtonStates() {
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previous_index = 0;
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current_index = 0;
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button_states[0] = Core::HID::NpadButton::All;
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for (std::size_t i = 1; i < button_states.size(); ++i) {
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button_states[i] = Core::HID::NpadButton::None;
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}
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}
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bool InputInterpreter::IsButtonPressed(Core::HID::NpadButton button) const {
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return True(button_states[current_index] & button);
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}
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bool InputInterpreter::IsButtonPressedOnce(Core::HID::NpadButton button) const {
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const bool current_press = True(button_states[current_index] & button);
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const bool previous_press = True(button_states[previous_index] & button);
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return current_press && !previous_press;
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}
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bool InputInterpreter::IsButtonHeld(Core::HID::NpadButton button) const {
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Core::HID::NpadButton held_buttons{button_states[0]};
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for (std::size_t i = 1; i < button_states.size(); ++i) {
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held_buttons &= button_states[i];
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}
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return True(held_buttons & button);
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}
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