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ClockTicks maintenance

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git-svn-id: https://svn.eduke32.com/eduke32@8562 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2020-01-29 11:37:28 +00:00 committed by Christoph Oelckers
parent 0fcdf3c1af
commit 541c71902b
1 changed files with 15 additions and 14 deletions
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29
source/build/include/clockticks.hpp
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@ -21,19 +21,19 @@ class ClockTicks
{
public:
ClockTicks() : ClockTicks(0, 0) {};
ClockTicks(int32_t ticks) : ClockTicks(ticks, 0) {};
ClockTicks(int32_t ticks, uint32_t fraction) { set(ticks, fraction); };
ClockTicks(int32_t const ticks) : ClockTicks(ticks, 0) {};
ClockTicks(int32_t const ticks, uint32_t const fraction) { set(ticks, fraction); };
ClockTicks(const ClockTicks&) = default;
int64_t getFraction() const
{
return (ticksS32 & FRACTION_MASK) >> 16 | ((ticksS32 < 0) ? VALUE_MASK : 0);
}
int64_t setFraction(uint16_t fraction)
int64_t setFraction(uint16_t const fraction)
{
return ticksS32 = (ticksS32 & WHOLE_MASK) | ((ticksS32 < 0) ? ((int64_t) 0 - fraction) & FRACTION_16_MASK : fraction) << 16;
}
int64_t set(int32_t ticks, uint16_t fraction)
int64_t set(int32_t const ticks, uint16_t const fraction)
{
ticksS32 = ((uint64_t) ticks) << 32 | ((ticks < 0) ? ((int64_t) 0 - fraction) & FRACTION_16_MASK : fraction) << 16;
update();
@ -44,13 +44,13 @@ public:
{
return ticksS32 >> 16;
}
ClockTicks& setFromScale16(int64_t ticksScale16)
ClockTicks& setFromScale16(int64_t const ticksScale16)
{
ticksS32 = ticksScale16 << 16;
update();
return *this;
}
static ClockTicks fromScale16(int64_t ticksScale16)
static ClockTicks fromScale16(int64_t const ticksScale16)
{
ClockTicks ct;
ct.setFromScale16(ticksScale16);
@ -58,7 +58,7 @@ public:
}
// returns 0 if equal, < 0 if a < b, > 0 if a > b
static int64_t compareHighPrecision(ClockTicks a, ClockTicks b)
static int64_t compareHighPrecision(ClockTicks const a, ClockTicks const b)
{
ClockTicks delta = a - b;
return delta.toScale16();
@ -70,6 +70,7 @@ public:
update();
return *this;
};
ClockTicks& operator+=(const ClockTicks& rhs)
{
ticksS32 += rhs.ticksS32;
@ -100,13 +101,13 @@ public:
update();
return *this;
};
ClockTicks& operator<<=(int32_t rhs)
ClockTicks& operator<<=(int32_t const rhs)
{
ticksS32 = ticksS32 << rhs;
update();
return *this;
};
ClockTicks& operator>>=(int32_t rhs)
ClockTicks& operator>>=(int32_t const rhs)
{
ticksS32 = ticksS32 >> rhs;
update();
@ -115,7 +116,7 @@ public:
friend ClockTicks operator+(ClockTicks lhs, const ClockTicks& rhs) { return lhs += rhs; }
friend ClockTicks operator-(ClockTicks lhs, const ClockTicks& rhs) { return lhs -= rhs; }
friend ClockTicks operator-(ClockTicks val) { return (ClockTicks) 0 -= val; }
friend ClockTicks operator-(ClockTicks val) { return ClockTicks(0) -= val; }
friend ClockTicks operator*(ClockTicks lhs, const ClockTicks& rhs) { return lhs *= rhs; }
friend ClockTicks operator/(ClockTicks lhs, const ClockTicks& rhs) { return lhs /= rhs; }
friend ClockTicks operator%(ClockTicks lhs, const ClockTicks& rhs) { return lhs %= rhs; }
@ -143,10 +144,10 @@ private:
// so only promise that much publicly.
int64_t ticksS32;
static const uint64_t VALUE_MASK = 0xFFFFFFFFFFFF0000ull;
static const uint64_t WHOLE_MASK = 0xFFFFFFFF00000000ull;
static const uint64_t FRACTION_MASK = 0x00000000FFFF0000ull;
static const uint64_t FRACTION_16_MASK = 0x000000000000FFFFull;
static constexpr uint64_t const VALUE_MASK = 0xFFFFFFFFFFFF0000ull;
static constexpr uint64_t const WHOLE_MASK = 0xFFFFFFFF00000000ull;
static constexpr uint64_t const FRACTION_MASK = 0x00000000FFFF0000ull;
static constexpr uint64_t const FRACTION_16_MASK = 0x000000000000FFFFull;
inline void update()
{