//	Voxspatium Engine - Voxel Planets engine
//	Copyright (C) 2018  Evert "Diamond" Prants <evert@lunasqu.ee>
//
//	This program is free software: you can redistribute it and/or modify
//	it under the terms of the GNU General Public License as published by
//	the Free Software Foundation, either version 3 of the License, or
//	(at your option) any later version.
//
//	This program is distributed in the hope that it will be useful,
//	but WITHOUT ANY WARRANTY; without even the implied warranty of
//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//	GNU General Public License for more details.
//
//	You should have received a copy of the GNU General Public License
//	along with this program.  If not, see <https://www.gnu.org/licenses/>.

#include "Input.h"

// Remember previous positions
void Input::flush()
{
	for(auto& it : m_keyMap)
	{
		m_oldKeyMap[it.first] = it.second;
	}

	// Keep old mouse coordinates
	m_oldMouseCoords = m_mouseCoords;

	// Reset the mouse wheel scroll, as we will ever only need it once.
	m_mwheelY = 0;
	m_mwheelX = 0;
}

void Input::pressKey(unsigned int keyID)
{
	m_keyMap[keyID] = true;
}

void Input::releaseKey(unsigned int keyID)
{
	m_keyMap[keyID] = false;
}

void Input::setMouseCoords(float x, float y)
{
	m_mouseCoords.x = x;
	m_mouseCoords.y = y;
}

bool Input::isKeyDown(unsigned int keyID)
{
	auto it = m_keyMap.find(keyID);
	if(it != m_keyMap.end())
		return it->second;
	else
		return false;
}

bool Input::wasKeyDown(unsigned int keyID)
{
	auto it = m_oldKeyMap.find(keyID);
	if(it != m_oldKeyMap.end())
		return it->second;
	else
		return false;
}

bool Input::isKeyPressed(unsigned int keyID)
{
	if(isKeyDown(keyID) == true && wasKeyDown(keyID) == false)
		return true;
	return false;
}

void Input::setMouseWheel(int vert, int horiz)
{
	m_mwheelY = vert;
	m_mwheelX = horiz;
}