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/* Starshatter: The Open Source Project
Copyright (c) 2021-2024, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
*/
#include "Stardate.h"
#include <cstdint>
#include <Text.h>
#include "Clock.h"
namespace starshatter
{
namespace engine
{
static constexpr long double EPOCH {0.5e9l};
static constexpr long double MINUTE {60};
static constexpr long double HOUR {60 * MINUTE};
static constexpr long double DAY {24 * HOUR};
static long double operation_start {};
static long double mission_start {};
Stardate::Stardate() :
value {0}
{
}
Stardate::Stardate(long double value_) :
value {value_}
{
}
Stardate::operator long double() const
{
return value;
}
Text
Stardate::Format(bool short_format) const
{
auto time = value;
std::int_fast32_t day = 1, hours = 0, minutes = 0, seconds = 0;
while (time >= DAY) {
time -= DAY;
++day;
}
while (time >= HOUR) {
time -= HOUR;
++hours;
}
while (time >= MINUTE) {
time -= MINUTE;
++minutes;
}
seconds = time;
return Text::format(
short_format ? "%02d/%02d:%02d:%02d" : "Day %d, %02d:%02d:%02d",
day, hours, minutes, seconds);
}
Stardate
CurrentTime()
{
return Epoch() + OperationStart() + OperationTime();
}
Stardate
OperationTime()
{
return MissionStart() + MissionTime();
}
Stardate
MissionTime()
{
if (const auto* clock = Clock::GetInstance())
return clock->GameTime<long double>() / 1000.0l;
throw "game clock not initialized";
}
long double
Epoch()
{
return EPOCH;
}
long double
OperationStart()
{
return operation_start;
}
long double
MissionStart()
{
return mission_start;
}
void
SetOperationStart(long double value, bool relative)
{
if (relative)
operation_start += value;
else
operation_start = value;
}
void
SetMissionStart(long double value, bool relative)
{
if (relative)
mission_start += value;
else
mission_start = value;
}
} // namespace engine
} // namespace starshatter
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