BitFlags.h

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#pragma once
 
#include <cstdint>
 
typedef uint32_t BitMask_t;
typedef uint64_t BitMask64_t;
 
#define BITMASK( OFFSET )           ( 1  << ((OFFSET) - 1) )
#define BITMASK64( OFFSET )         ( BitMask64_t(1)  << BitMask64_t((OFFSET) - 1) )
 
#define BITMASK_IS_0( VAR, FLAGS )  ( ((VAR) & (FLAGS)) == 0 )
#define BITMASK_IS_1( VAR, FLAGS )  ( ((VAR) & (FLAGS)) == (FLAGS) )
 
#define BITMASK_SET_0( VAR, FLAGS ) ( (VAR) &= ~ (FLAGS) )
#define BITMASK_SET_1( VAR, FLAGS ) ( (VAR) |= (FLAGS) )
 
inline void BITMASK_SET(BitMask_t& mask, BitMask_t flag, bool val)
{
    if (val) { BITMASK_SET_1(mask, flag); }
    else { BITMASK_SET_0(mask, flag); }
}
 
// --------------- TO BE REMOVED --------------- //
 
#define BITMASK_PROPERTY_GET(VAR, BIT_INDEX, FLAG_NAME, GETTER_NAME) \
    static const BitMask_t FLAG_NAME = BITMASK((BIT_INDEX)); \
    inline bool GETTER_NAME() const { return BITMASK_IS_1((VAR), FLAG_NAME); }