input_interpreter: Make use of NpadButton instead of a u64

Allows us to be more explicit with the representation of button states and use the provided bit manipulation operators

src/core/hid/input_interpreter.cpp

@@ -20,7 +20,7 @@ InputInterpreter::InputInterpreter(Core::System& system)
 InputInterpreter::~InputInterpreter() = default;
 
 void InputInterpreter::PollInput() {
-    const u64 button_state = npad.GetAndResetPressState();
+    const auto button_state = npad.GetAndResetPressState();
 
     previous_index = current_index;
     current_index = (current_index + 1) % button_states.size();
@@ -32,30 +32,30 @@ void InputInterpreter::ResetButtonStates() {
     previous_index = 0;
     current_index = 0;
 
-    button_states[0] = 0xFFFFFFFFFFFFFFFF;
+    button_states[0] = Core::HID::NpadButton::All;
 
     for (std::size_t i = 1; i < button_states.size(); ++i) {
-        button_states[i] = 0;
+        button_states[i] = Core::HID::NpadButton::None;
     }
 }
 
 bool InputInterpreter::IsButtonPressed(Core::HID::NpadButton button) const {
-    return (button_states[current_index] & static_cast<u64>(button)) != 0;
+    return True(button_states[current_index] & button);
 }
 
 bool InputInterpreter::IsButtonPressedOnce(Core::HID::NpadButton button) const {
-    const bool current_press = (button_states[current_index] & static_cast<u64>(button)) != 0;
-    const bool previous_press = (button_states[previous_index] & static_cast<u64>(button)) != 0;
+    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 {
-    u64 held_buttons{button_states[0]};
+    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 (held_buttons & static_cast<u64>(button)) != 0;
+    return True(held_buttons & button);
 }

src/core/hid/input_interpreter.h

@@ -105,7 +105,7 @@ private:
     Service::HID::Controller_NPad& npad;
 
     /// Stores 9 consecutive button states polled from HID.
-    std::array<u64, 9> button_states{};
+    std::array<Core::HID::NpadButton, 9> button_states{};
 
     std::size_t previous_index{};
     std::size_t current_index{};