mirror of
https://github.com/isledecomp/isle-portable.git
synced 2024-11-26 09:28:01 -05:00
97b3dcaa2c
* Beta addrs * Streamer changes * Typo and comment. One more beta addr * Rename member to m_controllers
167 lines
3.2 KiB
C++
167 lines
3.2 KiB
C++
#ifndef MXBITSET_H
|
|
#define MXBITSET_H
|
|
|
|
#pragma warning(disable : 4237)
|
|
|
|
#include "mxtypes.h"
|
|
|
|
#include <assert.h>
|
|
#include <limits.h> // CHAR_BIT
|
|
|
|
template <size_t N>
|
|
class MxBitset {
|
|
public:
|
|
MxBitset() { Tidy(); }
|
|
|
|
// SIZE 0x08
|
|
class Reference {
|
|
friend class MxBitset<N>;
|
|
|
|
public:
|
|
Reference& Flip()
|
|
{
|
|
m_bitset->Flip(m_offset);
|
|
return (*this);
|
|
}
|
|
bool operator~() const { return (!m_bitset->Test(m_offset)); }
|
|
operator bool() const { return (m_bitset->Test(m_offset)); }
|
|
|
|
private:
|
|
Reference(MxBitset<N>& p_bitset, size_t p_offset) : m_bitset(&p_bitset), m_offset(p_offset) {}
|
|
MxBitset<N>* m_bitset; // 0x00
|
|
size_t m_offset; // 0x04
|
|
};
|
|
|
|
Reference operator[](size_t p_bit) { return (Reference(*this, p_bit)); }
|
|
|
|
MxBitset<N>& Flip(size_t p_bit)
|
|
{
|
|
if (N <= p_bit) {
|
|
Xran();
|
|
}
|
|
m_blocks[p_bit / e_bitsPerBlock] ^= 1 << p_bit % e_bitsPerBlock;
|
|
return (*this);
|
|
}
|
|
|
|
size_t Count()
|
|
{
|
|
// debug only, intentionally unimplemented
|
|
return 0;
|
|
}
|
|
|
|
bool Test(MxU32 p_bit)
|
|
{
|
|
if (p_bit >= N) {
|
|
Xran();
|
|
}
|
|
|
|
return (m_blocks[p_bit / e_bitsPerBlock] & (1 << p_bit % e_bitsPerBlock)) != 0;
|
|
}
|
|
|
|
MxU32 Size() const { return N; }
|
|
|
|
private:
|
|
void Tidy(MxU32 p_value = 0)
|
|
{
|
|
for (MxS32 i = e_blocksRequired; i >= 0; --i) {
|
|
m_blocks[i] = p_value;
|
|
}
|
|
|
|
// No need to trim if all bits were zeroed out
|
|
if (p_value != 0) {
|
|
Trim();
|
|
}
|
|
}
|
|
|
|
// Apply bit mask to most significant block
|
|
void Trim()
|
|
{
|
|
if (N % e_bitsPerBlock != 0) {
|
|
m_blocks[e_blocksRequired] &= ((1 << (N % e_bitsPerBlock)) - 1);
|
|
}
|
|
}
|
|
|
|
void Xran() { assert("invalid MxBitset<N> position" == NULL); }
|
|
|
|
// Not a real enum. This is how STL BITSET defines these constants.
|
|
enum {
|
|
e_bitsPerBlock = CHAR_BIT * sizeof(MxU32),
|
|
e_blocksRequired = N == 0 ? 0 : (N - 1) / e_bitsPerBlock
|
|
};
|
|
|
|
MxU32 m_blocks[e_blocksRequired + 1]; // 0x00
|
|
};
|
|
|
|
// TEMPLATE: BETA10 0x10146600
|
|
// MxBitset<2>::MxBitset<2>
|
|
|
|
// TEMPLATE: BETA10 0x101464e0
|
|
// MxBitset<22>::MxBitset<22>
|
|
|
|
// TEMPLATE: BETA10 0x10146510
|
|
// MxBitset<22>::Tidy
|
|
|
|
// TEMPLATE: BETA10 0x10146570
|
|
// MxBitset<22>::Trim
|
|
|
|
// TEMPLATE: BETA10 0x10146630
|
|
// MxBitset<2>::Tidy
|
|
|
|
// TEMPLATE: BETA10 0x10146690
|
|
// MxBitset<2>::Trim
|
|
|
|
// TEMPLATE: BETA10 0x10146880
|
|
// MxBitset<22>::Size
|
|
|
|
// TEMPLATE: BETA10 0x101469d0
|
|
// MxBitset<2>::Size
|
|
|
|
// TEMPLATE: BETA10 0x101587a0
|
|
// MxBitset<22>::Reference::Flip
|
|
|
|
// TEMPLATE: BETA10 0x101587d0
|
|
// MxBitset<22>::Reference::operator int
|
|
|
|
// TEMPLATE: BETA10 0x10158800
|
|
// MxBitset<22>::operator[]
|
|
|
|
// TEMPLATE: BETA10 0x10158830
|
|
// MxBitset<22>::Reference::Reference
|
|
|
|
// TEMPLATE: BETA10 0x10158860
|
|
// MxBitset<22>::Flip
|
|
|
|
// STUB: BETA10 0x101588b0
|
|
// MxBitset<22>::Count
|
|
|
|
// TEMPLATE: BETA10 0x10158930
|
|
// MxBitset<22>::Test
|
|
|
|
// TEMPLATE: BETA10 0x10158990
|
|
// MxBitset<22>::Xran
|
|
|
|
// TEMPLATE: BETA10 0x10158b70
|
|
// MxBitset<2>::Reference::Flip
|
|
|
|
// TEMPLATE: BETA10 0x10158ba0
|
|
// MxBitset<2>::Reference::operator int
|
|
|
|
// TEMPLATE: BETA10 0x10158bd0
|
|
// MxBitset<2>::operator[]
|
|
|
|
// TEMPLATE: BETA10 0x10158c00
|
|
// MxBitset<2>::Reference::Reference
|
|
|
|
// TEMPLATE: BETA10 0x10158c30
|
|
// MxBitset<2>::Flip
|
|
|
|
// STUB: BETA10 0x10158c80
|
|
// MxBitset<2>::Count
|
|
|
|
// TEMPLATE: BETA10 0x10158d00
|
|
// MxBitset<2>::Test
|
|
|
|
// TEMPLATE: BETA10 0x10158d60
|
|
// MxBitset<2>::Xran
|
|
|
|
#endif // MXBITSET_H
|