userinput.h

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/*****************************************************************************
 * $Id: userinput.h,v 1.1 2003/07/16 11:42:15 schou Exp $
 * Author: Jakob Schou Jensen <schou@sourceforge.net>
 * Licence: GPL
 *
 * Description: User input handling
 *
 ****************************************************************************/

#ifndef USERINPUT_H
#define USERINPUT_H

#include <SDL/SDL.h>
#include <adsoio.h>

#define UI_MAX_HANDLERS 16

void processEvents();

struct KeyboardHandler {
  virtual bool onKeyEvent(SDLKey key) = 0;
  virtual ~KeyboardHandler(){}
};

class UserInput {
  KeyboardHandler *handlerList[UI_MAX_HANDLERS];
  int handlerCount;

  void openMenuPage(int p);
  void handleKeyDown(SDL_keysym *keysym);
  void handleKeyUp(SDL_keysym *keysym);
  void handleMouseMotion(SDL_MouseMotionEvent *mme);
  void handleMouseButton(SDL_MouseButtonEvent *mbe);

public:
  // Keyboard movement
  int key_left;
  int key_right;
  int key_forward;
  int key_back;
  int key_shoot;

  // Mouse input
  int mouse_delta_x;
  int mouse_delta_y;
  int mouse_left;
  int mouse_right;

  void processEvents(); 

  void addHandler(KeyboardHandler *h){
    if(handlerCount<UI_MAX_HANDLERS) handlerList[handlerCount++] = h;
    else iFatal("Maximum keyboard handlers exceeded");
  }
  UserInput(){
    key_left=0;
    key_right=0;
    key_forward=0;
    key_back=0;
    key_shoot=0;
    mouse_delta_x = 0;
    mouse_delta_y = 0;
    mouse_left = 0;
    mouse_right = 0;

    handlerCount = 0;
  }
};

extern UserInput userInput;

#endif

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