diff options
Diffstat (limited to 'src/Blocks/BlockRail.h')
| -rw-r--r-- | src/Blocks/BlockRail.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/Blocks/BlockRail.h b/src/Blocks/BlockRail.h index 07e9814cd..f56ec7152 100644 --- a/src/Blocks/BlockRail.h +++ b/src/Blocks/BlockRail.h @@ -434,6 +434,141 @@ public: } return true; } + + + virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override + { + // Bit 0x08 is a flag when a_Meta is in the range 0x00--0x05 and 0x0A--0x0F. + // Bit 0x08 specifies direction when a_Meta is in the range 0x06-0x09. + if ((a_Meta < 0x06) || (a_Meta > 0x09)) + { + // Save powered rail flag. + NIBBLETYPE OtherMeta = a_Meta & 0x08; + // Rotates according to table; 0x07 == 0111. + // Rails can either be flat (North/South) or Ascending (Asc. East) + switch (a_Meta & 0x07) + { + case 0x00: return 0x01 + OtherMeta; // North/South -> East/West + case 0x01: return 0x00 + OtherMeta; // East/West -> North/South + + case 0x02: return 0x04 + OtherMeta; // Asc. East -> Asc. North + case 0x04: return 0x03 + OtherMeta; // Asc. North -> Asc. West + case 0x03: return 0x05 + OtherMeta; // Asc. West -> Asc. South + case 0x05: return 0x02 + OtherMeta; // Asc. South -> Asc. East + } + } + else + { + switch (a_Meta) + { + // Corner Directions + case 0x06: return 0x09; // Northwest Cnr. -> Southwest Cnr. + case 0x07: return 0x06; // Northeast Cnr. -> Northwest Cnr. + case 0x08: return 0x07; // Southeast Cnr. -> Northeast Cnr. + case 0x09: return 0x08; // Southwest Cnr. -> Southeast Cnr. + } + } + // To avoid a compiler warning; + return a_Meta; + } + + + virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override + { + // Bit 0x08 is a flag for value in the range 0x00--0x05 and specifies direction for values withint 0x006--0x09. + if ((a_Meta < 0x06) || (a_Meta > 0x09)) + { + // Save powered rail flag. + NIBBLETYPE OtherMeta = a_Meta & 0x08; + // Rotates according to table; 0x07 == 0111. + // Rails can either be flat (North/South) or Ascending (Asc. East) + switch (a_Meta & 0x07) + { + case 0x00: return 0x01 + OtherMeta; // North/South -> East/West + case 0x01: return 0x00 + OtherMeta; // East/West -> North/South + + case 0x02: return 0x05 + OtherMeta; // Asc. East -> Asc. South + case 0x05: return 0x03 + OtherMeta; // Asc. South -> Asc. West + case 0x03: return 0x04 + OtherMeta; // Asc. West -> Asc. North + case 0x04: return 0x02 + OtherMeta; // Asc. North -> Asc. East + } + } + else + { + switch (a_Meta) + { + // Corner Directions + case 0x06: return 0x07; // Northwest Cnr. -> Northeast Cnr. + case 0x07: return 0x08; // Northeast Cnr. -> Southeast Cnr. + case 0x08: return 0x09; // Southeast Cnr. -> Southwest Cnr. + case 0x09: return 0x06; // Southwest Cnr. -> Northwest Cnr. + } + } + // To avoid a compiler warning; + return a_Meta; + } + + + virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override + { + // Bit 0x08 is a flag for value in the range 0x00--0x05 and specifies direction for values withint 0x006--0x09. + if ((a_Meta < 0x06) || (a_Meta > 0x09)) + { + // Save powered rail flag. + NIBBLETYPE OtherMeta = a_Meta & 0x08; + // Mirrors according to table; 0x07 == 0111. + // Rails can either be flat (North/South) or Ascending (Asc. East) + switch (a_Meta & 0x07) + { + case 0x05: return 0x04 + OtherMeta; // Asc. South -> Asc. North + case 0x04: return 0x05 + OtherMeta; // Asc. North -> Asc. South + } + } + else + { + switch (a_Meta) + { + // Corner Directions + case 0x06: return 0x09; // Northwest Cnr. -> Southwest Cnr. + case 0x07: return 0x08; // Northeast Cnr. -> Southeast Cnr. + case 0x08: return 0x07; // Southeast Cnr. -> Northeast Cnr. + case 0x09: return 0x06; // Southwest Cnr. -> Northwest Cnr. + } + } + // To avoid a compiler warning; + return a_Meta; + } + + + virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override + { + // Bit 0x08 is a flag for value in the range 0x00--0x05 and specifies direction for values withint 0x006--0x09. + if ((a_Meta < 0x06) || (a_Meta > 0x09)) + { + // Save powered rail flag. + NIBBLETYPE OtherMeta = a_Meta & 0x08; + // Mirrors according to table; 0x07 == 0111. + // Rails can either be flat (North/South) or Ascending (Asc. East) + switch (a_Meta & 0x07) + { + case 0x02: return 0x03 + OtherMeta; // Asc. East -> Asc. West + case 0x03: return 0x02 + OtherMeta; // Asc. West -> Asc. East + } + } + else + { + switch (a_Meta) + { + // Corner Directions + case 0x06: return 0x07; // Northwest Cnr. -> Northeast Cnr. + case 0x07: return 0x06; // Northeast Cnr. -> Northwest Cnr. + case 0x08: return 0x09; // Southeast Cnr. -> Southwest Cnr. + case 0x09: return 0x08; // Southwest Cnr. -> Southeast Cnr. + } + } + // To avoid a compiler warning; + return a_Meta; + } } ; |