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 #include "graphics.h"
  28
  29 #define JOYSTICK_PERCENTIZE(x) ((float)(x)/(float)(32768))
  30
  31 #define MAX_INPUT_DEVICES 16
  32
  33 enum {
  34     INPUT_TYPE_KEYBOARD,
  35     INPUT_TYPE_JOYSTICK,
  36     INPUT_TYPE_MOUSE,
  37     INPUT_TYPE_MAX
  38 };
  39
  40 enum {
  41     INPUT_AXIS_X,
  42     INPUT_AXIS_Y
  43 };
  44
  45 enum {
  46     INPUT_KEY_HIT,
  47     INPUT_KEY_TOPSPIN,
  48     INPUT_KEY_SMASH,
  49     INPUT_KEY_COUNT
  50 };
  51
  52 #define INPUT_DEVICE_NAME_MAX 100
  53
  54 typedef struct {
  55     unsigned char type;
  56     char name[INPUT_DEVICE_NAME_MAX];
  57
  58     /* Joystick-specific items */
  59     SDL_Joystick* joystick;
  60     int x_axis;
  61     int y_axis;
  62
  63     /* Joystick, keyboard and mouse */
  64     int input_keys[INPUT_KEY_COUNT];
  65
  66     /* Keyboard-specific items */
  67     int up_key;
  68     int down_key;
  69     int left_key;
  70     int right_key;
  71
  72     /* Mouse-specific items */
  73     int mx;
  74     int my;
  75     int player_x;
  76     int player_y;
  77
  78     /* The picture for this input device */
  79     image_id icon;
  80
  81     /* If nonzero, be exclusive to this player ID */
  82     int exclusive_to_player;
  83 } InputDevice;
  84
  85 void init_input();
  86 void uninit_input();
  87
  88 InputDevice* find_input_devices(unsigned int*);
  89
  90 const char* input_device_get_name(InputDevice*);
  91 float input_device_get_axis(InputDevice*, unsigned const char);
  92 char input_device_get_key(InputDevice*, unsigned const char);
  93
  94 #endif
  95