sdl/input.c

   1 /*
   2  * input.c
   3  * Copyright (C) 1998 Brainchild Design - http://brainchilddesign.com/
   4  *
   5  * Copyright (C) 2001 Chuck Mason <cemason@users.sourceforge.net>
   6  *
   7  * Copyright (C) 2002 Florian Schulze <crow@icculus.org>
   8  *
   9  * Portions of this code are from the MPEG software simulation group
  10  * idct implementation. This code will be replaced with a new
  11  * implementation soon.
  12  *
  13  * This file is part of Jump'n'Bump.
  14  *
  15  * Jump'n'Bump is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * Jump'n'Bump is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, write to the Free Software
  27  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  28  */
  29
  30 #include "globals.h"
  31
  32 static int num_joys=0;
  33 static SDL_Joystick *joys[4];
  34
  35 /* assumes joysticks have at least one button, could check numbuttons first? */
  36 #define JOY_LEFT(num) (num_joys>num && SDL_JoystickGetAxis(joys[num], 0)<-3200)
  37 #define JOY_RIGHT(num) (num_joys>num && SDL_JoystickGetAxis(joys[num], 0)>3200)
  38 /* I find using the vertical axis to be annoying -- dnb */
  39 #define JOY_JUMP(num) (num_joys>num && SDL_JoystickGetButton(joys[num], 0))
  40
  41 int calib_joy(int type)
  42 {
  43         return 1;
  44 }
  45
  46 void update_player_actions(void)
  47 {
  48         int tmp;
  49
  50         if (client_player_num < 0) {
  51                 tmp = (key_pressed(KEY_PL1_LEFT) == 1) || JOY_LEFT(3);
  52                 if (tmp != player[0].action_left)
  53                         tellServerPlayerMoved(0, MOVEMENT_LEFT, tmp);
  54                 tmp = (key_pressed(KEY_PL1_RIGHT) == 1) || JOY_RIGHT(3);
  55                 if (tmp != player[0].action_right)
  56                         tellServerPlayerMoved(0, MOVEMENT_RIGHT, tmp);
  57                 tmp = (key_pressed(KEY_PL1_JUMP) == 1) || JOY_JUMP(3);
  58                 if (tmp != player[0].action_up)
  59                         tellServerPlayerMoved(0, MOVEMENT_UP, tmp);
  60
  61                 tmp = (key_pressed(KEY_PL2_LEFT) == 1) || JOY_LEFT(2);
  62                 if (tmp != player[1].action_left)
  63                         tellServerPlayerMoved(1, MOVEMENT_LEFT, tmp);
  64                 tmp = (key_pressed(KEY_PL2_RIGHT) == 1) || JOY_RIGHT(2);
  65                 if (tmp != player[1].action_right)
  66                         tellServerPlayerMoved(1, MOVEMENT_RIGHT, tmp);
  67                 tmp = (key_pressed(KEY_PL2_JUMP) == 1) || JOY_JUMP(2);
  68                 if (tmp != player[1].action_up)
  69                         tellServerPlayerMoved(1, MOVEMENT_UP, tmp);
  70
  71                 tmp = (key_pressed(KEY_PL3_LEFT) == 1) || JOY_LEFT(1);
  72                 if (tmp != player[2].action_left)
  73                         tellServerPlayerMoved(2, MOVEMENT_LEFT, tmp);
  74                 tmp = (key_pressed(KEY_PL3_RIGHT) == 1) || JOY_RIGHT(1);
  75                 if (tmp != player[2].action_right)
  76                         tellServerPlayerMoved(2, MOVEMENT_RIGHT, tmp);
  77                 tmp = (key_pressed(KEY_PL3_JUMP) == 1) || JOY_JUMP(1);
  78                 if (tmp != player[2].action_up)
  79                         tellServerPlayerMoved(2, MOVEMENT_UP, tmp);
  80
  81                 tmp = (key_pressed(KEY_PL4_LEFT) == 1) || JOY_LEFT(0);
  82                 if (tmp != player[3].action_left)
  83                 tellServerPlayerMoved(3, MOVEMENT_LEFT, tmp);
  84                 tmp = (key_pressed(KEY_PL4_RIGHT) == 1) || JOY_RIGHT(0);
  85                 if (tmp != player[3].action_right)
  86                 tellServerPlayerMoved(3, MOVEMENT_RIGHT, tmp);
  87                 tmp = (key_pressed(KEY_PL4_JUMP) == 1) || JOY_JUMP(0);
  88                 if (tmp != player[3].action_up)
  89                 tellServerPlayerMoved(3, MOVEMENT_UP, tmp);
  90         } else {
  91                 tmp = (key_pressed(KEY_PL1_LEFT) == 1) || JOY_LEFT(0);
  92                 if (tmp != player[client_player_num].action_left)
  93                         tellServerPlayerMoved(client_player_num, MOVEMENT_LEFT, tmp);
  94                 tmp = (key_pressed(KEY_PL1_RIGHT) == 1) || JOY_RIGHT(0);
  95                 if (tmp != player[client_player_num].action_right)
  96                         tellServerPlayerMoved(client_player_num, MOVEMENT_RIGHT, tmp);
  97                 tmp = (key_pressed(KEY_PL1_JUMP) == 1) || JOY_JUMP(0);
  98                 if (tmp != player[client_player_num].action_up)
  99                         tellServerPlayerMoved(client_player_num, MOVEMENT_UP, tmp);
 100         }
 101 }
 102
 103 void init_inputs(void)
 104 {
 105         int i;
 106
 107         num_joys = SDL_NumJoysticks();
 108         for(i = 0; i < 4 && i < num_joys; ++i)
 109                 joys[i] = SDL_JoystickOpen(i);
 110
 111         main_info.mouse_enabled = 0;
 112         main_info.joy_enabled = 0;
 113 }