src/util/directiontables.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (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 Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #ifndef UTIL_DIRECTIONTABLES_HEADER
  21 #define UTIL_DIRECTIONTABLES_HEADER
  22
  23 #include "../irrlichttypes.h"
  24 #include "../irr_v3d.h"
  25
  26 extern const v3s16 g_6dirs[6];
  27
  28 extern const v3s16 g_26dirs[26];
  29
  30 // 26th is (0,0,0)
  31 extern const v3s16 g_27dirs[27];
  32
  33 /// Direction in the 6D format. g_27dirs contains corresponding vectors.
  34 /// Here P means Positive, N stands for Negative.
  35 enum Direction6D {
  36 // 0
  37         D6D_ZP,
  38         D6D_YP,
  39         D6D_XP,
  40         D6D_ZN,
  41         D6D_YN,
  42         D6D_XN,
  43 // 6
  44         D6D_XN_YP,
  45         D6D_XP_YP,
  46         D6D_YP_ZP,
  47         D6D_YP_ZN,
  48         D6D_XN_ZP,
  49         D6D_XP_ZP,
  50         D6D_XN_ZN,
  51         D6D_XP_ZN,
  52         D6D_XN_YN,
  53         D6D_XP_YN,
  54         D6D_YN_ZP,
  55         D6D_YN_ZN,
  56 // 18
  57         D6D_XN_YP_ZP,
  58         D6D_XP_YP_ZP,
  59         D6D_XN_YP_ZN,
  60         D6D_XP_YP_ZN,
  61         D6D_XN_YN_ZP,
  62         D6D_XP_YN_ZP,
  63         D6D_XN_YN_ZN,
  64         D6D_XP_YN_ZN,
  65 // 26
  66         D6D,
  67
  68 // aliases
  69         D6D_BACK   = D6D_ZP,
  70         D6D_TOP    = D6D_YP,
  71         D6D_RIGHT  = D6D_XP,
  72         D6D_FRONT  = D6D_ZN,
  73         D6D_BOTTOM = D6D_YN,
  74         D6D_LEFT   = D6D_XN,
  75 };
  76
  77 /// Direction in the wallmounted format.
  78 /// P is Positive, N is Negative.
  79 enum DirectionWallmounted {
  80         DWM_YP,
  81         DWM_YN,
  82         DWM_XP,
  83         DWM_XN,
  84         DWM_ZP,
  85         DWM_ZN,
  86 };
  87
  88 #endif