input.h

   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 #ifndef __INPUT_H
  25 #define __INPUT_H
  26
  27 #define JOYSTICK_PERCENTIZE(x) ((float)(x)/(float)(32768))
  28
  29 #define MAX_INPUT_DEVICES 16
  30
  31 enum {
  32     INPUT_TYPE_KEYBOARD,
  33     INPUT_TYPE_JOYSTICK,
  34     INPUT_TYPE_MAX
  35 };
  36
  37 enum {
  38     INPUT_AXIS_X,
  39     INPUT_AXIS_Y
  40 };
  41
  42 enum {
  43     INPUT_KEY_HIT,
  44     INPUT_KEY_TOPSPIN,
  45     INPUT_KEY_SMASH,
  46     INPUT_KEY_COUNT
  47 };
  48
  49 #define INPUT_DEVICE_NAME_MAX 100
  50
  51 typedef struct {
  52     unsigned char type;
  53     char name[INPUT_DEVICE_NAME_MAX];
  54
  55     /* Joystick-specific items */
  56     SDL_Joystick* joystick;
  57     int x_axis;
  58     int y_axis;
  59
  60     /* Joystick and keyboard */
  61     int input_keys[INPUT_KEY_COUNT];
  62
  63     /* Keyboard-specific items */
  64     int up_key;
  65     int down_key;
  66     int left_key;
  67     int right_key;
  68 } InputDevice;
  69
  70 void init_input();
  71 void uninit_input();
  72
  73 InputDevice* find_input_devices(unsigned int*);
  74
  75 const char* input_device_get_name(InputDevice*);
  76 float input_device_get_axis(InputDevice*, unsigned const char);
  77 char input_device_get_key(InputDevice*, unsigned const char);
  78
  79 #endif
  80