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Fix comment text

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This commit is contained in:
Alexander Harkness 2020-04-09 21:18:45 +01:00
parent f40aba941e
commit 2b77b67197
1 changed files with 4 additions and 8 deletions
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12
src/Blocks/Mixins.h
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@ -167,9 +167,8 @@ public:
}; };
/** Mixin for rotations and reflections following the standard pattern of "apply mask, then use a switch". /** Mixin for blocks whose meta on placement depends on the yaw of the player placing the block. BitMask
Inherit from this class providing your base class as Base, the BitMask for the direction bits in bitmask and the masked value for the directions in North, East, South, West. selects the direction bits from the block's meta values. */
There is also an aptional parameter AssertIfNotMatched, set this if it is invalid for a block to exist in any other state. */
template <class Base, NIBBLETYPE BitMask = 0x7, NIBBLETYPE North = 0x2, NIBBLETYPE East = 0x5, NIBBLETYPE South = 0x3, NIBBLETYPE West = 0x4, bool AssertIfNotMatched = false> template <class Base, NIBBLETYPE BitMask = 0x7, NIBBLETYPE North = 0x2, NIBBLETYPE East = 0x5, NIBBLETYPE South = 0x3, NIBBLETYPE West = 0x4, bool AssertIfNotMatched = false>
class cYawRotator: class cYawRotator:
public cMetaRotator<Base, BitMask, North, East, South, West, AssertIfNotMatched> public cMetaRotator<Base, BitMask, North, East, South, West, AssertIfNotMatched>
@ -230,9 +229,8 @@ public:
} }
}; };
/** Mixin for rotations and reflections following the standard pattern of "apply mask, then use a switch". /** Mixin for blocks whose meta on placement depends on the pitch and yaw of the player placing the block. BitMask
Inherit from this class providing your base class as Base, the BitMask for the direction bits in bitmask and the masked value for the directions in North, East, South, West. selects the direction bits from the block's meta values. */
There is also an aptional parameter AssertIfNotMatched, set this if it is invalid for a block to exist in any other state. */
template <class Base, NIBBLETYPE BitMask = 0x7, NIBBLETYPE North = 0x2, NIBBLETYPE East = 0x5, NIBBLETYPE South = 0x3, NIBBLETYPE West = 0x4, NIBBLETYPE Up = 0x1, NIBBLETYPE Down = 0x0> template <class Base, NIBBLETYPE BitMask = 0x7, NIBBLETYPE North = 0x2, NIBBLETYPE East = 0x5, NIBBLETYPE South = 0x3, NIBBLETYPE West = 0x4, NIBBLETYPE Up = 0x1, NIBBLETYPE Down = 0x0>
class cPitchYawRotator: class cPitchYawRotator:
public cYawRotator<Base, BitMask, North, East, South, West> public cYawRotator<Base, BitMask, North, East, South, West>
@ -268,9 +266,7 @@ public:
virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) override virtual NIBBLETYPE MetaMirrorXZ(NIBBLETYPE a_Meta) override
{ {
// Bit 0x08 is a flag. Lowest three bits are position.
NIBBLETYPE OtherMeta = a_Meta & (~BitMask); NIBBLETYPE OtherMeta = a_Meta & (~BitMask);
// Mirrors defined by a table. (Source, minecraft.gamepedia.com)
switch (a_Meta & BitMask) switch (a_Meta & BitMask)
{ {
case Down: return Up | OtherMeta; // Down -> Up case Down: return Up | OtherMeta; // Down -> Up