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InputManager.h
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/*
* Copyright (C) 2011-2012 Me and My Shadow
*
* This file is part of Me and My Shadow.
*
* Me and My Shadow 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.
*
* Me and My Shadow 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 Me and My Shadow. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INPUTMANAGER_H
#define INPUTMANAGER_H
#include <SDL/SDL.h>
#include <vector>
#include <string>
enum InputManagerKeys{
INPUTMGR_UP,
INPUTMGR_DOWN,
INPUTMGR_LEFT,
INPUTMGR_RIGHT,
INPUTMGR_JUMP,
INPUTMGR_ACTION,
INPUTMGR_SPACE,
INPUTMGR_CANCELRECORDING,
INPUTMGR_ESCAPE,
INPUTMGR_RESTART,
INPUTMGR_TAB,
INPUTMGR_SAVE,
INPUTMGR_LOAD,
INPUTMGR_SWAP,
INPUTMGR_TELEPORT,
INPUTMGR_SUICIDE,
INPUTMGR_SHIFT,
INPUTMGR_NEXT,
INPUTMGR_PREVIOUS,
INPUTMGR_SELECT,
INPUTMGR_MAX
};
class InputManager{
public:
InputManager();
~InputManager();
//Get and set key code of each key.
int getKeyCode(InputManagerKeys key,bool isAlternativeKey);
void setKeyCode(InputManagerKeys key,int keyCode,bool isAlternativeKey);
//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);
//Open all joysticks.
void openAllJoysitcks();
//Close all joysticks.
void closeAllJoysticks();
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.
// 0xWWXXYYZZ
// WW = joystick index. currently unused, should be 0.
// XX = joystick button type: 1-axis 2-button 3-hat, currently ball is unsupported
// YY = joystick button index. (we assume joystick has at most 256 buttons)
// ZZ = value. if type=axis then value should be 1 or 0xFF.
// if type=button then it's unused.
// if type=hat then it's SDL_HAT_LEFT, SDL_HAT_RIGHT, SDL_HAT_UP or SDL_HAT_DOWN.
int keys[INPUTMGR_MAX];
int alternativeKeys[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];
//contains all joysticks.
std::vector<SDL_Joystick*> joysticks;
//internal function
int getKeyState(int keyCode,int oldState,bool hasEvent);
};
extern InputManager inputMgr;
#endif //INPUTMANAGER_H

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