keybinds.d

   1 /* coded by Ketmar // Invisible Vector <ketmar@ketmar.no-ip.org>
   2  * Understanding is not required. Only obedience.
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, version 3 of the License ONLY.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  15  */
  16 module keybinds;
  17
  18 import arsd.simpledisplay;
  19
  20 import iv.cmdcon;
  21 import iv.cmdcon.keybinds;
  22
  23
  24 // ////////////////////////////////////////////////////////////////////////// //
  25 enum ActionKey {
  26   Up,
  27   Down,
  28   Left,
  29   Right,
  30   Fire,
  31   //Pause,
  32   //Abort,
  33 }
  34
  35
  36 __gshared ubyte[ActionKey.max+1] keystate = 0;
  37 __gshared ActionKey[Key] keybinds;
  38
  39
  40 void setupDefaultKeyBindings () {
  41   keybinds[findKeyByName("up")] = ActionKey.Up;
  42   keybinds[findKeyByName("down")] = ActionKey.Down;
  43   keybinds[findKeyByName("left")] = ActionKey.Left;
  44   keybinds[findKeyByName("right")] = ActionKey.Right;
  45   keybinds[findKeyByName("ctrl")] = ActionKey.Fire;
  46   keybinds[findKeyByName("z")] = ActionKey.Fire;
  47   keybinds[findKeyByName("x")] = ActionKey.Fire;
  48   keybinds[findKeyByName("alt")] = ActionKey.Fire;
  49   keybinds[findKeyByName("shift")] = ActionKey.Fire;
  50 }
  51
  52
  53 // true: press/release registered
  54 bool doActionBind (KeyEvent event, ActionKey* kk=null) {
  55   if (!event.key) return false;
  56   if (auto akp = event.key in keybinds) {
  57     if (kk !is null) *kk = *akp;
  58     if (event.pressed) {
  59       keystate[*akp] |= 0b011;
  60     } else {
  61       keystate[*akp] &= 0b101;
  62     }
  63     return true;
  64   }
  65   return false;
  66 }
  67
  68
  69 void actionBindFrameEnd () {
  70   foreach (ref ubyte b; keystate[]) {
  71     if (b&0b10) b = 0b11; else b = 0;
  72   }
  73 }
  74
  75
  76 void actionBindClear () {
  77   keystate[] = 0;
  78 }
  79
  80
  81 bool actionPressed (ActionKey key) nothrow @nogc { pragma(inline, true); return ((keystate[key]&1) != 0); }
  82 bool actionWasRelease (ActionKey key) nothrow @nogc { pragma(inline, true); return ((keystate[key]&0b100) != 0); }