keyboard.cpp

/*
 *    Copyright (C) 2011-2012  Michal Hozza (mhozza@gmail.com)
 *
 *    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 <http://www.gnu.org/licenses/>.
 */

#include "keyboard.h"
#include <GL/glut.h>

//using namespace std;

Keyboard * Keyboard::instance = 0;

Keyboard::Keyboard()
  :cleared(false)
{

}

Keyboard::~Keyboard()
{

}

Keyboard* Keyboard::getInstance()
{
  if(!instance)
    instance = new Keyboard();

  return instance;
}

void Keyboard::keyboardFuncWrapper(unsigned char key, int x, int y)
{
  Keyboard::getInstance()->keyboardFunc(key, x, y);
}

void Keyboard::keyboardSpecialFuncWrapper(int key, int x, int y)
{
  Keyboard::getInstance()->keyboardSpecialFunc(key, x, y);
}


void Keyboard::keyboardFunc(unsigned char key, int x, int y)
{
  pair<multimap<unsigned char,pair<GameObject*,int> >::iterator,
      multimap<unsigned char,pair<GameObject*,int> >::iterator>
      r = actions.equal_range(key);
  for(multimap<unsigned char,pair<GameObject*,int> >::iterator
      i = r.first;i!=r.second;i++)
  {
    ((*i).second.first)->action((*i).second.second);
    if(cleared)
    {
      cleared = false;
      return;
    }
  }
}

void Keyboard::keyboardSpecialFunc(int key, int x, int y)
{
 pair<multimap<int, pair<GameObject*, int> >::iterator, multimap<int, pair<GameObject*, int> >::iterator>
      r = actionsSpecial.equal_range(key);
  for(multimap<int,pair<GameObject*,int> >::iterator
      i = r.first;i!=r.second;i++)
  {
    ((*i).second.first)->action((*i).second.second);
    if(cleared)
    {
      cleared = false;
      return;
    }
  }
}

void Keyboard::registerAction(GameObject *object, int actionID, int key, bool special)
{
  if(special)
  {
    actionsSpecial.insert(make_pair(key,make_pair(object,actionID)));
  }
  else
  {
    actions.insert(make_pair((unsigned char)key,make_pair(object,actionID)));
  }
}

void Keyboard::clearActions()
{
  cleared = true;
  actions.clear();
  actionsSpecial.clear();
}