input_interpreter: Add method to check for a button press state

This allows to check for continuous input for the duration of a button press/hold
This commit is contained in:
Morph 2021-01-16 10:34:39 -05:00
parent a7fd61fcce
commit 3c8f936b31
2 changed files with 25 additions and 0 deletions

View File

@ -25,6 +25,10 @@ void InputInterpreter::PollInput() {
button_states[current_index] = button_state;
}
bool InputInterpreter::IsButtonPressed(HIDButton button) const {
return (button_states[current_index] & (1U << static_cast<u8>(button))) != 0;
}
bool InputInterpreter::IsButtonPressedOnce(HIDButton button) const {
const bool current_press =
(button_states[current_index] & (1U << static_cast<u8>(button))) != 0;

View File

@ -66,6 +66,27 @@ public:
/// Gets a button state from HID and inserts it into the array of button states.
void PollInput();
/**
* Checks whether the button is pressed.
*
* @param button The button to check.
*
* @returns True when the button is pressed.
*/
[[nodiscard]] bool IsButtonPressed(HIDButton button) const;
/**
* Checks whether any of the buttons in the parameter list is pressed.
*
* @tparam HIDButton The buttons to check.
*
* @returns True when at least one of the buttons is pressed.
*/
template <HIDButton... T>
[[nodiscard]] bool IsAnyButtonPressed() {
return (IsButtonPressed(T) || ...);
}
/**
* The specified button is considered to be pressed once
* if it is currently pressed and not pressed previously.