Source/Input.cpp

   1 /*
   2 Copyright (C) 2003, 2010 - Wolfire Games
   3 Copyright (C) 2010 - Côme <MCMic> BERNIGAUD
   4
   5 This file is part of Lugaru.
   6
   7 Lugaru is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU General Public License
   9 as published by the Free Software Foundation; either version 2
  10 of the License, or (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  15
  16 See the GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 */
  22
  23 /**> HEADER FILES <**/
  24 #include "Input.h"
  25
  26 extern bool keyboardfrozen;
  27
  28 bool keyDown[SDLK_LAST+6];
  29 bool keyPressed[SDLK_LAST+6];
  30
  31 void Input::Tick(){
  32     SDL_PumpEvents();
  33         Uint8 *keyState = SDL_GetKeyState(NULL);
  34     for(int i=0;i<SDLK_LAST;i++){
  35         keyPressed[i] = !keyDown[i]&&keyState[i];
  36         keyDown[i] = keyState[i];
  37     }
  38     Uint8 mb = SDL_GetMouseState(NULL,NULL);
  39     for(int i=1;i<6;i++){
  40         keyPressed[SDLK_LAST+i] = !keyDown[SDLK_LAST+i]&&(mb&SDL_BUTTON(i));
  41         keyDown[SDLK_LAST+i] = (mb&SDL_BUTTON(i));
  42     }
  43 }
  44
  45 bool Input::isKeyDown(int k) {
  46         if(keyboardfrozen||k>=SDLK_LAST+6) // really useful? check that.
  47         return false;
  48     return keyDown[k];
  49 }
  50
  51 bool Input::isKeyPressed(int k) {
  52         if(keyboardfrozen||k>=SDLK_LAST+6)
  53         return false;
  54     return keyPressed[k];
  55 }
  56
  57 const char* Input::keyToChar(unsigned short i) {
  58         if(i<SDLK_LAST)
  59                 return SDL_GetKeyName(SDLKey(i));
  60         else if(i==SDLK_LAST+SDL_BUTTON_LEFT)
  61                 return "mouse1";
  62         else if(i==SDLK_LAST+SDL_BUTTON_RIGHT)
  63                 return "mouse2";
  64         else if(i==SDLK_LAST+SDL_BUTTON_MIDDLE)
  65                 return "mouse3";
  66         else
  67                 return "unknown";
  68 }
  69
  70 unsigned short  Input::CharToKey(const char* which) {
  71         for(unsigned short i=0;i<SDLK_LAST;i++) {
  72                 if(!strcasecmp(which,SDL_GetKeyName(SDLKey(i))))
  73                         return i;
  74         }
  75         if(!strcasecmp(which,"mouse1")){
  76                 return MOUSEBUTTON1;
  77         }
  78         if(!strcasecmp(which,"mouse2")){
  79                 return MOUSEBUTTON2;
  80         }
  81         return SDLK_LAST;
  82 }
  83
  84 Boolean Input::MouseClicked(){
  85     return isKeyPressed(SDLK_LAST+SDL_BUTTON_LEFT);
  86 }