suyu/src/core/hid/input_interpreter.cpp
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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/core.h"
#include "core/hid/hid_types.h"
#include "core/hid/input_interpreter.h"
#include "core/hle/service/hid/controllers/npad.h"
#include "core/hle/service/hid/hid.h"
#include "core/hle/service/sm/sm.h"
InputInterpreter::InputInterpreter(Core::System& system)
: npad{system.ServiceManager()
.GetService<Service::HID::Hid>("hid")
->GetAppletResource()
->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad)} {
ResetButtonStates();
}
InputInterpreter::~InputInterpreter() = default;
void InputInterpreter::PollInput() {
const auto button_state = npad.GetAndResetPressState();
previous_index = current_index;
current_index = (current_index + 1) % button_states.size();
button_states[current_index] = button_state;
}
void InputInterpreter::ResetButtonStates() {
previous_index = 0;
current_index = 0;
button_states[0] = Core::HID::NpadButton::All;
for (std::size_t i = 1; i < button_states.size(); ++i) {
button_states[i] = Core::HID::NpadButton::None;
}
}
bool InputInterpreter::IsButtonPressed(Core::HID::NpadButton button) const {
return True(button_states[current_index] & button);
}
bool InputInterpreter::IsButtonPressedOnce(Core::HID::NpadButton button) const {
const bool current_press = True(button_states[current_index] & button);
const bool previous_press = True(button_states[previous_index] & button);
return current_press && !previous_press;
}
bool InputInterpreter::IsButtonHeld(Core::HID::NpadButton button) const {
Core::HID::NpadButton held_buttons{button_states[0]};
for (std::size_t i = 1; i < button_states.size(); ++i) {
held_buttons &= button_states[i];
}
return True(held_buttons & button);
}