src/keyb.c

   1 /*
   2  * Copyright (C) Prikol Software 1996-1997
   3  * Copyright (C) Aleksey Volynskov 1996-1997
   4  * Copyright (C) <ARembo@gmail.com> 2011
   5  * Copyright (C) fgsfds 2019
   6  *
   7  * This file is part of the Doom2D PSX project.
   8  *
   9  * Doom2D PSX is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  *
  13  * Doom2D PSX is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, see <http://www.gnu.org/licenses/> or
  20  * write to the Free Software Foundation, Inc.,
  21  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  22  */
  23
  24 #include "keyb.h"
  25 #include <stdlib.h>
  26
  27 #include <libetc.h>
  28 #include <libpad.h>
  29
  30 unsigned int pad_btns = 0;
  31 unsigned int pad_trig = 0;
  32
  33 static key_f * key_proc = NULL;
  34
  35 const char *K_name(int k) {
  36   static const char *knames[16] = {
  37     "L2",
  38     "R2",
  39     "L1",
  40     "R1",
  41     "TRIANGLE",
  42     "CIRCLE",
  43     "CROSS",
  44     "SQUARE",
  45     "SELECT",
  46     "L3",
  47     "R3",
  48     "START",
  49     "UP",
  50     "RIGHT",
  51     "DOWN",
  52     "LEFT"
  53   };
  54   int i;
  55   for (i = 0; i < 32; ++i)
  56     if (k & (1 << i))
  57       return knames[i & 0xF];
  58 }
  59
  60 void K_init(void) {
  61   PadInit(0);
  62 }
  63
  64 void K_done(void) {
  65   PadStop();
  66 }
  67
  68 // установить функцию обработки клавиш
  69 void K_setkeyproc(key_f * k) {
  70   key_proc = k;
  71 }
  72
  73 void K_update(void) {
  74   unsigned int pad = PadRead(0);
  75   pad_trig = pad & (pad ^ pad_btns);
  76
  77   // run keyproc
  78   if (key_proc && pad_btns != pad) {
  79     unsigned int i, n, new;
  80     i = 1;
  81     for (n = 0; n < 32; ++n, i <<= 1) {
  82       new = pad & i;
  83       if (new != (pad_btns & i))
  84         key_proc(i, new);
  85     }
  86   }
  87
  88   pad_btns = pad;
  89 }