diff options
| -rw-r--r-- | src/Blocks/BlockSign.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/Blocks/BlockSign.h b/src/Blocks/BlockSign.h index 24346b930..6c0becfd6 100644 --- a/src/Blocks/BlockSign.h +++ b/src/Blocks/BlockSign.h @@ -83,6 +83,25 @@ public: { return (--a_Meta) & 0x0F; } + + virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override + { + // Mirrors signs over the XY plane (North-South Mirroring) + + // There are 16 meta values which correspond to different directions. + // These values are equated to angles on a circle; 0x08 = 180 degrees. + return (a_Meta < 0x08) ? 0x08 + a_Meta : 0x08 - a_Meta; + } + + + virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override + { + // Mirrors signs over the YZ plane (East-West Mirroring) + + // There are 16 meta values which correspond to different directions. + // These values are equated to angles on a circle; 0x10 = 360 degrees. + return 0x10 - a_Meta; + } } ; |