diff options
Diffstat (limited to 'src/mapnode.cpp')
| -rw-r--r-- | src/mapnode.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/mapnode.cpp b/src/mapnode.cpp index bba845fcc..388818c42 100644 --- a/src/mapnode.cpp +++ b/src/mapnode.cpp @@ -28,6 +28,14 @@ with this program; if not, write to the Free Software Foundation, Inc., #include <string> #include <sstream> +static const Rotation wallmounted_to_rot[] = { + ROTATE_0, ROTATE_180, ROTATE_90, ROTATE_270 +}; +static const u8 rot_to_wallmounted[] = { + 2, 4, 3, 5 +}; + + /* MapNode */ @@ -132,6 +140,24 @@ v3s16 MapNode::getWallMountedDir(INodeDefManager *nodemgr) const } } +void MapNode::rotateAlongYAxis(INodeDefManager *nodemgr, Rotation rot) { + ContentParamType2 cpt2 = nodemgr->get(*this).param_type_2; + + if (cpt2 == CPT2_FACEDIR) { + u8 newrot = param2 & 3; + param2 &= ~3; + param2 |= (newrot + rot) & 3; + } else if (cpt2 == CPT2_WALLMOUNTED) { + u8 wmountface = (param2 & 7); + if (wmountface <= 1) + return; + + Rotation oldrot = wallmounted_to_rot[wmountface - 2]; + param2 &= ~7; + param2 |= rot_to_wallmounted[(oldrot + rot) & 3]; + } +} + static std::vector<aabb3f> transformNodeBox(const MapNode &n, const NodeBox &nodebox, INodeDefManager *nodemgr) { |