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BlockArea: Finished rotation and mirroring with meta. Implemented example meta handling for vines, stairs and torches.

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git-svn-id: http://mc-server.googlecode.com/svn/trunk@1319 0a769ca7-a7f5-676a-18bf-c427514a06d6
This commit is contained in:
madmaxoft@gmail.com
2013-03-26 21:06:12 +00:00
parent b0397f7273
commit 8dc54301a4
6 changed files with 348 additions and 13 deletions
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61
source/Blocks/BlockTorch.h
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@@ -132,6 +132,67 @@ public:
{
return "step.wood";
}
virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
{
// Bit 4 stays, the rest is swapped around according to a table:
NIBBLETYPE TopBits = (a_Meta & 0x08);
switch (a_Meta & 0x07)
{
case 0x01: return TopBits | 0x04; // East -> North
case 0x02: return TopBits | 0x03; // West -> South
case 0x03: return TopBits | 0x01; // South -> East
case 0x04: return TopBits | 0x02; // North -> West
default: return a_Meta; // Floor -> Floor
}
}
virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta) override
{
// Bit 4 stays, the rest is swapped around according to a table:
NIBBLETYPE TopBits = (a_Meta & 0x08);
switch (a_Meta & 0x07)
{
case 0x01: return TopBits | 0x03; // East -> South
case 0x02: return TopBits | 0x04; // West -> North
case 0x03: return TopBits | 0x02; // South -> West
case 0x04: return TopBits | 0x01; // North -> East
default: return a_Meta; // Floor -> Floor
}
}
virtual NIBBLETYPE MetaMirrorXY(NIBBLETYPE a_Meta) override
{
// Bit 4 stays, the rest is swapped around according to a table:
NIBBLETYPE TopBits = (a_Meta & 0x08);
switch (a_Meta & 0x07)
{
case 0x03: return TopBits | 0x04; // South -> North
case 0x04: return TopBits | 0x03; // North -> South
default: return a_Meta; // Keep the rest
}
}
// Mirroring around the XZ plane doesn't make sense for floor torches,
// the others stay the same, so let's keep all the metas the same.
// The base class does tht for us, no need to override MetaMirrorXZ()
virtual NIBBLETYPE MetaMirrorYZ(NIBBLETYPE a_Meta) override
{
// Bit 4 stays, the rest is swapped around according to a table:
NIBBLETYPE TopBits = (a_Meta & 0x08);
switch (a_Meta & 0x07)
{
case 0x01: return TopBits | 0x02; // East -> West
case 0x02: return TopBits | 0x01; // West -> East
default: return a_Meta; // Keep the rest
}
}
} ;