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