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Decoration: Handle facedir and wallmounted param2types with schematic rotation

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This commit is contained in:
kwolekr 2013-07-08 15:19:22 -04:00
parent c813a3cc53
commit ce955f37ba
4 changed files with 50 additions and 12 deletions
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26
src/mapnode.cpp
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@ -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)
{