DirectXLearningProject/Keyboard.cpp at main · Esauidk/DirectXLearningProject · GitHub

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#include "Keyboard.h"

//Public Methods
bool Keyboard::KeyIsPressed(unsigned char keycode) const noexcept {
	return keyStates[keycode];
}

Keyboard::Event Keyboard::ReadKey() noexcept {
	if (keybuffer.size() > 0u) {
		Keyboard::Event e = keybuffer.front();
		keybuffer.pop();
		return e;
	}
	else {
		return Keyboard::Event();
	}
}

bool Keyboard::KeyIsEmpty() const noexcept {
	return keybuffer.empty();
}

char Keyboard::ReadChar() noexcept {
	if (charbuffer.size() > 0u) {
		unsigned char charCode = charbuffer.front();
		charbuffer.pop();
		return charCode;
	}
	else {
		return 0;
	}
}

bool Keyboard::CharIsEmpty() const noexcept {
	return charbuffer.empty();
}

void Keyboard::FlushKey() noexcept {
	keybuffer = std::queue<Event>();
}

void Keyboard::FlushChar() noexcept{
	charbuffer = std::queue<char>();
}

void Keyboard::Flush() noexcept {
	FlushKey();
	FlushChar();
}

void Keyboard::EnableAutoRepeat() noexcept {
	autoRepeatEnabled = true;
}

void Keyboard::DisableAutoRepeat() noexcept {
	autoRepeatEnabled = false;
}

bool Keyboard::AutoRepeatIsEnabled() const noexcept {
	return autoRepeatEnabled;
}


//Private Methods
void Keyboard::OnKeyPressed(unsigned char keycode) noexcept {
	keyStates[keycode] = true;
	keybuffer.push(Keyboard::Event(Keyboard::Event::Type::Press, keycode));
	TrimBuffer(keybuffer);
}

void Keyboard::OnKeyReleased(unsigned char keycode) noexcept {
	keyStates[keycode] = false;
	keybuffer.push(Keyboard::Event(Keyboard::Event::Type::Release, keycode));
	TrimBuffer(keybuffer);
}

void Keyboard::OnChar(char character) noexcept {
	charbuffer.push(character);
	TrimBuffer(charbuffer);
}

void Keyboard::ClearState() noexcept {
	keyStates.reset();
}

template<typename T>
void Keyboard::TrimBuffer(std::queue<T>& buffer) noexcept {
	while (buffer.size() > bufferSize) {
		buffer.pop();
	}
}