mirror of
https://github.com/ZDoom/raze-gles.git
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- time to get rid of clockticks.hpp.
Aside from its non-existent license it was also not the correct way to handle more precise view interpolation.
This commit is contained in:
Christoph Oelckers
parent
a93ed1e502
commit
7e261425bb
3 changed files with 1 additions and 170 deletions
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@ -658,9 +658,7 @@ void MyLoadSave::Load(void)
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Read(&gFrameClock, sizeof(gFrameClock));
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Read(&gFrameTicks, sizeof(gFrameTicks));
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Read(&gFrame, sizeof(gFrame));
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ClockTicks nGameClock;
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Read(&totalclock, sizeof(totalclock));
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totalclock = nGameClock;
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Read(&gLevelTime, sizeof(gLevelTime));
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Read(&paused, sizeof(paused));
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Read(baseWall, sizeof(baseWall[0])*numwalls);
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@ -1,167 +0,0 @@
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/*
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* clockticks.hpp
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* ClockTicks is a class that tracks signed ticks & fractional ticks for
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* high granularity game clocks that are backwards-compatible with
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* Build integer timing
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*
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* Copyright © 2019, Alex Dawson. All rights reserved.
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*/
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#ifndef CLOCKTICKS_HPP_
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#define CLOCKTICKS_HPP_
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#include "timer.h"
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//POGO: BUILD/EDuke32 uses right shifts on signed variables expecting arithmetic shifts.
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// This was already non-portable, and we carry that assumption forth here
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// (so we might as well check it).
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EDUKE32_STATIC_ASSERT(-1 >> 1 == -1);
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#if 0
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class ClockTicks
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{
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public:
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ClockTicks() : ClockTicks(0, 0) {};
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ClockTicks(int32_t const ticks) : ClockTicks(ticks, 0) {};
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ClockTicks(int32_t const ticks, uint32_t const fraction) { set(ticks, fraction); };
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ClockTicks(const ClockTicks&) = default;
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int64_t getFraction() const
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{
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return (ticksS32 & FRACTION_MASK) >> 16 | ((ticksS32 < 0) ? VALUE_MASK : 0);
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}
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int64_t setFraction(uint16_t const fraction)
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{
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return ticksS32 = (ticksS32 & WHOLE_MASK) | ((ticksS32 < 0) ? ((int64_t) 0 - fraction) & FRACTION_16_MASK : fraction) << 16;
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}
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int64_t set(int32_t const ticks, uint16_t const fraction)
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{
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ticksS32 = ((uint64_t) ticks) << 32 | ((ticks < 0) ? ((int64_t) 0 - fraction) & FRACTION_16_MASK : fraction) << 16;
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update();
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return ticksS32;
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}
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int64_t toScale16() const
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{
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return ticksS32 >> 16;
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}
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double toScale16F() const
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{
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return ticksS32 * (1/(65536.*65536.));
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}
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ClockTicks& setFromScale16(int64_t const ticksScale16)
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{
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ticksS32 = ticksScale16 << 16;
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update();
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return *this;
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}
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static ClockTicks fromScale16(int64_t const ticksScale16)
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{
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ClockTicks ct;
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ct.setFromScale16(ticksScale16);
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return ct;
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}
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// returns 0 if equal, < 0 if a < b, > 0 if a > b
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static int64_t compareHighPrecision(ClockTicks const a, ClockTicks const b)
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{
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ClockTicks delta = a - b;
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return delta.toScale16();
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}
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ClockTicks& operator=(const ClockTicks& rhs)
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{
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ticksS32 = rhs.ticksS32;
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update();
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return *this;
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};
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ClockTicks& operator+=(const ClockTicks& rhs)
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{
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ticksS32 += rhs.ticksS32;
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update();
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return *this;
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};
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ClockTicks& operator-=(const ClockTicks& rhs)
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{
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ticksS32 -= rhs.ticksS32;
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update();
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return *this;
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};
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ClockTicks& operator*=(const ClockTicks& rhs)
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{
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ticksS32 = (ticksS32>>16)*(rhs.ticksS32>>16) >> 16;
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update();
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return *this;
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};
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ClockTicks& operator/=(const ClockTicks& rhs)
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{
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ticksS32 = ticksS32/rhs.ticksS32 << 32;
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update();
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return *this;
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};
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ClockTicks& operator%=(const ClockTicks& rhs)
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{
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ticksS32 %= rhs.ticksS32;
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update();
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return *this;
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};
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ClockTicks& operator<<=(int32_t const rhs)
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{
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ticksS32 = ticksS32 << rhs;
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update();
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return *this;
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};
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ClockTicks& operator>>=(int32_t const rhs)
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{
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ticksS32 = ticksS32 >> rhs;
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update();
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return *this;
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};
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friend ClockTicks operator+(ClockTicks lhs, const ClockTicks& rhs) { return lhs += rhs; }
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friend ClockTicks operator-(ClockTicks lhs, const ClockTicks& rhs) { return lhs -= rhs; }
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friend ClockTicks operator-(ClockTicks val) { return ClockTicks(0) -= val; }
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friend ClockTicks operator*(ClockTicks lhs, const ClockTicks& rhs) { return lhs *= rhs; }
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friend ClockTicks operator/(ClockTicks lhs, const ClockTicks& rhs) { return lhs /= rhs; }
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friend ClockTicks operator%(ClockTicks lhs, const ClockTicks& rhs) { return lhs %= rhs; }
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friend ClockTicks operator<<(ClockTicks lhs, int32_t rhs) { return lhs >>= rhs; }
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friend ClockTicks operator>>(ClockTicks lhs, int32_t rhs) { return lhs <<= rhs; }
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friend inline bool operator==(const ClockTicks& lhs, const ClockTicks& rhs) { return lhs.wholeTicks == rhs.wholeTicks; }
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friend inline bool operator!=(const ClockTicks& lhs, const ClockTicks& rhs) { return !(lhs == rhs); }
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friend inline bool operator<(const ClockTicks& lhs, const ClockTicks& rhs) { return lhs.wholeTicks < rhs.wholeTicks; }
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friend inline bool operator>(const ClockTicks& lhs, const ClockTicks& rhs) { return rhs < lhs; }
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friend inline bool operator<=(const ClockTicks& lhs, const ClockTicks& rhs) { return !(lhs > rhs); }
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friend inline bool operator>=(const ClockTicks& lhs, const ClockTicks& rhs) { return !(lhs < rhs); }
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explicit operator uint32_t() const { return wholeTicks; };
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explicit operator int32_t() const { return wholeTicks; };
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private:
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//POGO: wholeTicks must be first in member-order to ensure the address of
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// ClockTicks can be treated as a pointer to int32_t.
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int32_t wholeTicks;
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//POGO: Organize our bits as if we're scaled to have an additional 32-bits
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// of fractional precision so that we can handle overflows in a
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// way that is accurate to the original BUILD int32_t expectation.
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// Multiplication overflows best with 16-bits of fractional precision,
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// so only promise that much publicly.
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int64_t ticksS32;
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static constexpr uint64_t const VALUE_MASK = 0xFFFFFFFFFFFF0000ull;
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static constexpr uint64_t const WHOLE_MASK = 0xFFFFFFFF00000000ull;
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static constexpr uint64_t const FRACTION_MASK = 0x00000000FFFF0000ull;
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static constexpr uint64_t const FRACTION_16_MASK = 0x000000000000FFFFull;
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inline void update()
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{
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wholeTicks = ticksS32 >> 32;
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ticksS32 &= VALUE_MASK;
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}
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};
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#else
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using ClockTicks = int;
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#endif
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#endif /* CLOCKTICKS_HPP_ */
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@ -1018,8 +1018,8 @@ void *handle_memerr(void *);
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#define LIBDIVIDE_NOINLINE
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#include "fix16.h"
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#include "libdivide.h"
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#include "clockticks.hpp"
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#include "vectors.h"
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using ClockTicks = int;
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inline FVector3 GetSoundPos(const vec3_t *pos)
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{
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