input.c

   1
   2 /**
   3  *
   4  * Tennix! SDL Port
   5  * Copyright (C) 2003, 2007, 2008, 2009 Thomas Perl <thp@thpinfo.com>
   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 <string.h>
  25
  26 #include "tennix.h"
  27 #include "input.h"
  28
  29 static char joystick_help[100];
  30
  31 void wait_keypress() {
  32     SDL_Event e;
  33     unsigned char done = 0;
  34
  35     SDL_Delay( 100);
  36
  37     /* clean up all events */
  38     while( SDL_PollEvent( &e));
  39
  40     while( !done) {
  41         if( SDL_PollEvent( &e)) {
  42             done = (e.type == SDL_KEYUP || e.type == SDL_MOUSEBUTTONUP);
  43         } else {
  44             SDL_Delay( 50);
  45         }
  46     }
  47 }
  48
  49 void init_joystick()
  50 {
  51     SDL_JoystickEventState(SDL_ENABLE);
  52 }
  53
  54 void uninit_joystick()
  55 {
  56     SDL_JoystickEventState(SDL_IGNORE);
  57 }
  58
  59 void joystick_list()
  60 {
  61     int i, n;
  62
  63     n = SDL_NumJoysticks();
  64
  65     for (i=0; i<n; i++) {
  66         printf("Joystick %d: %s (use with: --joystick \"%s\")\n", i+1, SDL_JoystickName(i), SDL_JoystickName(i));
  67     }
  68 }
  69
  70 int joystick_open(const char* name)
  71 {
  72     int i, n;
  73
  74     n = SDL_NumJoysticks();
  75
  76     for (i=0; i<n; i++) {
  77         if (strcmp(SDL_JoystickName(i), name) == 0) {
  78             SDL_JoystickOpen(i);
  79             sprintf(joystick_help, "joystick enabled: %s", name);
  80             return 1;
  81         }
  82     }
  83     return 0;
  84 }
  85
  86 const char* get_joystick_help()
  87 {
  88     if (strcmp(joystick_help, "") == 0) {
  89         return "no joystick (enable with --joystick)";
  90     }
  91     else {
  92         return joystick_help;
  93     }
  94 }
  95