input.c

   1
   2 /**
   3  *
   4  * Tennix! SDL Port
   5  * Copyright (C) 2003, 2007, 2008 Thomas Perl <thp@perli.net>
   6  *
   7  * This program 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.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  20  * MA  02110-1301, USA.
  21  *
  22  **/
  23
  24 #include "tennix.h"
  25 #include "input.h"
  26
  27 static char joystick_help[100];
  28
  29 void wait_keypress() {
  30     SDL_Event e;
  31     unsigned char done = 0;
  32
  33     SDL_Delay( 100);
  34
  35     /* clean up all events */
  36     while( SDL_PollEvent( &e));
  37
  38     while( !done) {
  39         if( SDL_PollEvent( &e)) {
  40             done = (e.type == SDL_KEYUP || e.type == SDL_MOUSEBUTTONUP);
  41         } else {
  42             SDL_Delay( 50);
  43         }
  44     }
  45 }
  46
  47 void init_joystick()
  48 {
  49     SDL_JoystickEventState(SDL_ENABLE);
  50 }
  51
  52 void uninit_joystick()
  53 {
  54     SDL_JoystickEventState(SDL_IGNORE);
  55 }
  56
  57 void joystick_list()
  58 {
  59     int i, n;
  60
  61     n = SDL_NumJoysticks();
  62
  63     for (i=0; i<n; i++) {
  64         printf("Joystick %d: %s (use with: --joystick \"%s\")\n", i+1, SDL_JoystickName(i), SDL_JoystickName(i));
  65     }
  66 }
  67
  68 int joystick_open(const char* name)
  69 {
  70     int i, n;
  71
  72     n = SDL_NumJoysticks();
  73
  74     for (i=0; i<n; i++) {
  75         if (strcmp(SDL_JoystickName(i), name) == 0) {
  76             SDL_JoystickOpen(i);
  77             sprintf(joystick_help, "joystick enabled: %s", name);
  78             return 1;
  79         }
  80     }
  81     return 0;
  82 }
  83
  84 char* get_joystick_help()
  85 {
  86     if (strcmp(joystick_help, "") == 0) {
  87         return "no joystick (enable with --joystick)";
  88     }
  89     else {
  90         return joystick_help;
  91     }
  92 }
  93