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/****************************************************************************
** Copyright (C) 2012 me and my shadow developers
**
**
** This file may be used under the terms of the GNU General Public
** License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
#ifndef INPUTMANAGER_H
#define INPUTMANAGER_H
#include <string>
enum InputManagerKeys{
INPUTMGR_UP,
INPUTMGR_DOWN,
INPUTMGR_LEFT,
INPUTMGR_RIGHT,
INPUTMGR_SPACE,
INPUTMGR_ESCAPE,
INPUTMGR_RESTART,
INPUTMGR_TAB,
INPUTMGR_SAVE,
INPUTMGR_LOAD,
INPUTMGR_SWAP,
INPUTMGR_TELEPORT,
INPUTMGR_SUICIDE,
INPUTMGR_SHIFT,
INPUTMGR_MAX
};
class InputManager{
public:
//constructor.
InputManager();
//get and set key code of each key.
int getKeyCode(InputManagerKeys key);
void setKeyCode(InputManagerKeys key,int keyCode);
//load and save key settings from config file.
void loadConfig();
void saveConfig();
//show the config screen.
void showConfig();
//get key name from key code
static std::string getKeyCodeName(int keyCode);
//update the key state, according to current SDL event, etc.
void updateState(bool hasEvent);
//check if there is KeyDown event.
bool isKeyDownEvent(InputManagerKeys key);
//check if there is KeyUp event.
bool isKeyUpEvent(InputManagerKeys key);
//check if specified key is down.
bool isKeyDown(InputManagerKeys key);
private:
//the key code of each key.
// - note of key code:
// 0 means this key is disabled (??)
// 1 to 4095 (0xFFF) means keyboard keys,
// currently SDLKey is less than 4095
// >= 4096: bit field value means joystick.
// TBA
int keys[INPUTMGR_MAX];
//the bit-field flag array saves the key states.
// 0x1 means the key is down.
// 0x2 means KeyDown event.
// 0x4 means KeyUp event.
int keyFlags[INPUTMGR_MAX];
};
extern InputManager inputMgr;
#endif INPUTMANAGER_H

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