#include "InputManager.h"

InputManager::InputManager() {}


InputManager::~InputManager() {}

void InputManager::mark()
{
	m_keys_pressed.clear();
	m_mouse_delta = { 0, 0 };
	m_scroll_distance = 0;
}

void InputManager::key_down(KeyCode key_code)
{
	if (!m_keys_down[key_code])
	{
		m_keys_down[key_code] = true;
		m_keys_pressed[key_code] = true;
	}
}

void InputManager::key_up(KeyCode key_code)
{
	m_keys_down[key_code] = false;
	m_keys_pressed[key_code] = false;
}

void InputManager::mouse_move(const ivec2& position)
{
	m_mouse_delta += position - m_mouse_position;
	m_mouse_position = position;
}

void InputManager::mouse_scroll(int distance)
{
	m_scroll_distance += distance;
}

bool InputManager::is_key_down(KeyCode key_code) const
{
	auto iter = m_keys_down.find(key_code);
	if (iter == m_keys_down.end())
		return false;
	else
		return iter->second;
}

bool InputManager::is_key_pressed(KeyCode key_code) const
{
	auto iter = m_keys_pressed.find(key_code);
	if (iter == m_keys_pressed.end())
		return false;
	else
		return iter->second;
}

bool InputManager::is_key_released(KeyCode key_code) const
{
	auto iter = m_keys_pressed.find(key_code);
	if (iter == m_keys_pressed.end())
		return false;
	else
		return !iter->second;
}

const ivec2& InputManager::get_mouse_position() const
{
	return m_mouse_position;
}

const ivec2& InputManager::get_mouse_delta() const
{
	return m_mouse_delta;
}

const int& InputManager::get_scroll_distance() const
{
	return m_scroll_distance;
}