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  1. /*
  2.  * OpenTyrian: A modern cross-platform port of Tyrian
  3.  * Copyright (C) 2007-2009  The OpenTyrian Development Team
  4.  *
  5.  * This program is free software; you can redistribute it and/or
  6.  * modify it under the terms of the GNU General Public License
  7.  * as published by the Free Software Foundation; either version 2
  8.  * of the License, or (at your option) any later version.
  9.  *
  10.  * This program is distributed in the hope that it will be useful,
  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.  * GNU General Public License for more details.
  14.  *
  15.  * You should have received a copy of the GNU General Public License
  16.  * along with this program; if not, write to the Free Software
  17.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18.  */
  19. #ifndef JOYSTICK_H
  20. #define JOYSTICK_H
  21.  
  22. #include "opentyr.h"
  23. #include "config_file.h"
  24.  
  25. #include "SDL.h"
  26.  
  27. typedef enum
  28. {
  29.         NONE,
  30.         AXIS,
  31.         BUTTON,
  32.         HAT
  33. }
  34. Joystick_assignment_types;
  35.  
  36. typedef struct
  37. {
  38.         Joystick_assignment_types type;
  39.         int num;
  40.        
  41.         // if hat
  42.         bool x_axis; // else y_axis
  43.        
  44.         // if hat or axis
  45.         bool negative_axis; // else positive
  46. }
  47. Joystick_assignment;
  48.  
  49. typedef struct
  50. {
  51.         SDL_Joystick *handle;
  52.        
  53.         Joystick_assignment assignment[10][2]; // 0-3: directions, 4-9: actions
  54.        
  55.         bool analog;
  56.         int sensitivity, threshold;
  57.        
  58.         signed int x, y;
  59.         int analog_direction[4];
  60.         bool direction[4], direction_pressed[4]; // up, right, down, left  (_pressed, for emulating key presses)
  61.        
  62.         bool confirm, cancel;
  63.         bool action[6], action_pressed[6]; // fire, mode swap, left fire, right fire, menu, pause
  64.        
  65.         Uint32 joystick_delay;
  66.         bool input_pressed;
  67. }
  68. Joystick;
  69.  
  70. extern int joystick_repeat_delay;
  71. extern bool joydown;
  72. extern bool ignore_joystick;
  73. extern int joysticks;
  74. extern Joystick *joystick;
  75.  
  76. int joystick_axis_reduce( int j, int value );
  77. bool joystick_analog_angle( int j, float *angle );
  78.  
  79. void poll_joystick( int j );
  80. void poll_joysticks( void );
  81.  
  82. void push_key( SDLKey key );
  83. void push_joysticks_as_keyboard( void );
  84.  
  85. void init_joysticks( void );
  86. void deinit_joysticks( void );
  87.  
  88. void reset_joystick_assignments( int j );
  89. bool load_joystick_assignments( Config* config, int j );
  90. bool save_joystick_assignments( Config* config, int j );
  91.  
  92. void joystick_assignments_to_string( char *buffer, size_t buffer_len, const Joystick_assignment *assignments );
  93.  
  94. bool detect_joystick_assignment( int j, Joystick_assignment *assignment );
  95. bool joystick_assignment_cmp( const Joystick_assignment *, const Joystick_assignment * );
  96.  
  97. #endif /* JOYSTICK_H */
  98.  
  99.