diff options
Diffstat (limited to 'source/Piston.h')
| -rw-r--r-- | source/Piston.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/source/Piston.h b/source/Piston.h index 67aa80d67..cc051e454 100644 --- a/source/Piston.h +++ b/source/Piston.h @@ -57,12 +57,36 @@ public: void ExtendPiston( int, int, int ); void RetractPiston( int, int, int ); - + + /// Returns true if the piston (specified by blocktype) is a sticky piston + static bool IsSticky(BLOCKTYPE a_BlockType); + + /// Returns true if the piston (with the specified meta) is extended + static bool IsExtended(NIBBLETYPE a_PistonMeta); + + /// Returns true if the extension (with the specified meta) is sticky + static bool IsStickyExtension(NIBBLETYPE a_ExtMeta); + + /// Returns true if the specified block can be pushed by a piston (and left intact) + static bool CanPush(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta); + + /// Returns true if the specified block can be pushed by a piston and broken / replaced + static bool CanBreakPush(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta); + + /// Returns true if the specified block can be pulled by a sticky piston + static bool CanPull(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta); + + /// Updates the coords by the specified amount in the direction a piston of the specified meta is facing + static void AddDir(int & a_BlockX, int & a_BlockY, int & a_BlockZ, NIBBLETYPE a_PistonMeta, int a_Amount); + + cWorld * m_World; private: void ChainMove( int, int, int, char, unsigned short * ); - unsigned short FirstPassthroughBlock( int, int, int, char ); + + /// Returns how many blocks the piston has to push (where the first free space is); <0 when unpushable + int FirstPassthroughBlock(int a_PistonX, int a_PistonY, int a_PistonZ, NIBBLETYPE a_PistonMeta); } ; |