directiontables.h

Go to the documentation of this file.

// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
#pragma once
 
#include "irrlichttypes.h"
#include "irr_v3d.h"
 
enum Direction6D {
// 0
        D6D_ZP,
        D6D_YP,
        D6D_XP,
        D6D_ZN,
        D6D_YN,
        D6D_XN,
// 6
        D6D_XN_YP,
        D6D_XP_YP,
        D6D_YP_ZP,
        D6D_YP_ZN,
        D6D_XN_ZP,
        D6D_XP_ZP,
        D6D_XN_ZN,
        D6D_XP_ZN,
        D6D_XN_YN,
        D6D_XP_YN,
        D6D_YN_ZP,
        D6D_YN_ZN,
// 18
        D6D_XN_YP_ZP,
        D6D_XP_YP_ZP,
        D6D_XN_YP_ZN,
        D6D_XP_YP_ZN,
        D6D_XN_YN_ZP,
        D6D_XP_YN_ZP,
        D6D_XN_YN_ZN,
        D6D_XP_YN_ZN,
// 26
        D6D,
 
// aliases
        D6D_BACK   = D6D_ZP,
        D6D_TOP    = D6D_YP,
        D6D_RIGHT  = D6D_XP,
        D6D_FRONT  = D6D_ZN,
        D6D_BOTTOM = D6D_YN,
        D6D_LEFT   = D6D_XN,
};
 
enum DirectionWallmounted {
        // The 6 wallmounted directions
        DWM_YP,
        DWM_YN,
        DWM_XP,
        DWM_XN,
        DWM_ZP,
        DWM_ZN,
        // There are 6 wallmounted directions, but 8 possible states (3 bits).
        // So we have 2 additional states, which drawtypes might use for
        // special ("S") behavior.
        DWM_S1,
        DWM_S2,
        DWM_COUNT
};
 
extern const v3s16 g_6dirs[6];
 
extern const v3s16 g_7dirs[7];
 
extern const v3s16 g_26dirs[26];
 
// 26th is (0,0,0)
extern const v3s16 g_27dirs[27];
 
extern const u8 wallmounted_to_facedir[DWM_COUNT];
 
extern const v3s16 wallmounted_dirs[DWM_COUNT];
 
extern const v3s16 facedir_dirs[32];
 
extern const v3s16 fourdir_dirs[4];