flewkey/cuberite-2a
1
0
Fork 0
Code Releases Activity

Final implementation of MetaRotater

Browse Source
This commit is contained in:
Tycho 2014-03-01 09:47:27 -08:00
parent 84913299f4
commit 0acfbdd912
1 changed files with 51 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
src/Blocks/MetaRotater.h
View File

@ -1,7 +1,7 @@
#pragma once
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West>
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West, bool AssertIfNotMatched = false>
class cMetaRotater : public Base
{
public:
@ -19,64 +19,70 @@ public:
};
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West>::MetaRotateCW(NIBBLETYPE a_Meta)
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West, bool AssertIfNotMatched>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West, AssertIfNotMatched>::MetaRotateCW(NIBBLETYPE a_Meta)
{
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case South: return West | OtherMeta;
case West: return North | OtherMeta;
case North: return East | OtherMeta;
case East: return South | OtherMeta;
}
ASSERT(!"Invalid Meta value");
return a_Meta;
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case South: return West | OtherMeta;
case West: return North | OtherMeta;
case North: return East | OtherMeta;
case East: return South | OtherMeta;
}
if(AssertIfNotMatched)
{
ASSERT(!"Invalid Meta value");
return a_Meta;
}
}
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West>::MetaRotateCCW(NIBBLETYPE a_Meta)
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West, bool AssertIfNotMatched>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West, AssertIfNotMatched>::MetaRotateCCW(NIBBLETYPE a_Meta)
{
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case South: return East | OtherMeta;
case East: return North | OtherMeta;
case North: return West | OtherMeta;
case West: return South | OtherMeta;
}
ASSERT(!"Invalid Meta value");
return a_Meta;
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case South: return East | OtherMeta;
case East: return North | OtherMeta;
case North: return West | OtherMeta;
case West: return South | OtherMeta;
}
if(AssertIfNotMatched)
{
ASSERT(!"Invalid Meta value");
return a_Meta;
}
}
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West>::MetaMirrorXY(NIBBLETYPE a_Meta)
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West, bool AssertIfNotMatched>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West, AssertIfNotMatched>::MetaMirrorXY(NIBBLETYPE a_Meta)
{
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case South: return North | OtherMeta;
case North: return South | OtherMeta;
}
// Not Facing North or South; No change.
return a_Meta;
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case South: return North | OtherMeta;
case North: return South | OtherMeta;
}
// Not Facing North or South; No change.
return a_Meta;
}
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West>::MetaMirrorYZ(NIBBLETYPE a_Meta)
template<class Base, NIBBLETYPE BitFilter, NIBBLETYPE North, NIBBLETYPE East, NIBBLETYPE South, NIBBLETYPE West, bool AssertIfNotMatched>
NIBBLETYPE cMetaRotater<Base, BitFilter, North, East, South, West, AssertIfNotMatched>::MetaMirrorYZ(NIBBLETYPE a_Meta)
{
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case West: return East | OtherMeta;
case East: return West | OtherMeta;
}
// Not Facing East or West; No change.
return a_Meta;
NIBBLETYPE OtherMeta = a_Meta & (~BitFilter);
switch (a_Meta & BitFilter)
{
case West: return East | OtherMeta;
case East: return West | OtherMeta;
}
// Not Facing East or West; No change.
return a_Meta;
}