osb/source/game/StarCelestialCoordinate.cpp

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#include "StarCelestialCoordinate.hpp"
#include "StarCelestialTypes.hpp"
#include "StarJsonExtra.hpp"
#include "StarLexicalCast.hpp"
#include "StarStaticRandom.hpp"
#include "StarDataStreamExtra.hpp"
namespace Star {
CelestialCoordinate::CelestialCoordinate() : m_planetaryOrbitNumber(0), m_satelliteOrbitNumber(0) {}
CelestialCoordinate::CelestialCoordinate(Vec3I location, int planetaryOrbitNumber, int satelliteOrbitNumber)
: m_location(move(location)),
m_planetaryOrbitNumber(planetaryOrbitNumber),
m_satelliteOrbitNumber(satelliteOrbitNumber) {}
CelestialCoordinate::CelestialCoordinate(Json const& variant) : CelestialCoordinate() {
if (variant.isType(Json::Type::String)) {
String id = variant.toString();
if (!id.empty() && !id.equalsIgnoreCase("null")) {
try {
auto plist = id.splitAny(" _:");
m_location[0] = lexicalCast<int>(plist.at(0));
m_location[1] = lexicalCast<int>(plist.at(1));
m_location[2] = lexicalCast<int>(plist.at(2));
if (plist.size() > 3)
m_planetaryOrbitNumber = lexicalCast<int>(plist.at(3));
if (plist.size() > 4)
m_satelliteOrbitNumber = lexicalCast<int>(plist.at(4));
if (m_planetaryOrbitNumber <= 0)
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throw CelestialException(strf("Planetary body number out of range in '{}'", id));
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if (m_satelliteOrbitNumber < 0)
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throw CelestialException(strf("Satellite body number out of range in '{}'", id));
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} catch (StarException const& e) {
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throw CelestialException(strf("Error parsing CelestialCoordinate from '{}'", id), e);
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}
}
} else if (variant.isType(Json::Type::Object)) {
m_location = jsonToVec3I(variant.get("location"));
m_planetaryOrbitNumber = variant.getInt("planet", 0);
m_satelliteOrbitNumber = variant.getInt("satellite", 0);
} else if (!variant.isNull()) {
throw CelestialException(
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strf("Improper variant type {} trying to convert to SystemCoordinate", variant.typeName()));
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}
}
bool CelestialCoordinate::isNull() const {
return m_location == Vec3I() && m_planetaryOrbitNumber == 0 && m_satelliteOrbitNumber == 0;
}
bool CelestialCoordinate::isSystem() const {
return !isNull() && m_planetaryOrbitNumber == 0;
}
bool CelestialCoordinate::isPlanetaryBody() const {
return !isNull() && m_planetaryOrbitNumber != 0 && m_satelliteOrbitNumber == 0;
}
bool CelestialCoordinate::isSatelliteBody() const {
return !isNull() && m_planetaryOrbitNumber != 0 && m_satelliteOrbitNumber != 0;
}
Vec3I CelestialCoordinate::location() const {
return m_location;
}
CelestialCoordinate CelestialCoordinate::system() const {
if (isNull())
throw CelestialException("CelestialCoordinate::system() called on null coordinate");
return CelestialCoordinate(m_location);
}
CelestialCoordinate CelestialCoordinate::planet() const {
if (isPlanetaryBody())
return *this;
if (isSatelliteBody())
return CelestialCoordinate(m_location, m_planetaryOrbitNumber);
throw CelestialException("CelestialCoordinate::planet() called on null or system coordinate type");
}
int CelestialCoordinate::orbitNumber() const {
if (isSatelliteBody())
return m_satelliteOrbitNumber;
if (isPlanetaryBody())
return m_planetaryOrbitNumber;
if (isSystem())
return 0;
throw CelestialException("CelestialCoordinate::orbitNumber() called on null coordinate");
}
CelestialCoordinate CelestialCoordinate::parent() const {
if (isSatelliteBody())
return CelestialCoordinate(m_location, m_planetaryOrbitNumber);
if (isPlanetaryBody())
return CelestialCoordinate(m_location);
throw CelestialException("CelestialCoordinate::parent() called on null or system coordinate");
}
CelestialCoordinate CelestialCoordinate::child(int orbitNumber) const {
if (isSystem())
return CelestialCoordinate(m_location, orbitNumber);
if (isPlanetaryBody())
return CelestialCoordinate(m_location, m_planetaryOrbitNumber, orbitNumber);
throw CelestialException("CelestialCoordinate::child called on null or satellite coordinate");
}
Json CelestialCoordinate::toJson() const {
if (isNull()) {
return Json();
} else {
return JsonObject{{"location", jsonFromVec3I(m_location)},
{"planet", m_planetaryOrbitNumber},
{"satellite", m_satelliteOrbitNumber}};
}
}
String CelestialCoordinate::id() const {
return toString(*this);
}
double CelestialCoordinate::distance(CelestialCoordinate const& rhs) const {
return Vec2D(m_location[0] - rhs.m_location[0], m_location[1] - rhs.m_location[1]).magnitude();
}
String CelestialCoordinate::filename() const {
return id().replace(":", "_");
}
CelestialCoordinate::operator bool() const {
return !isNull();
}
bool CelestialCoordinate::operator<(CelestialCoordinate const& rhs) const {
return tie(m_location, m_planetaryOrbitNumber, m_satelliteOrbitNumber)
< tie(rhs.m_location, rhs.m_planetaryOrbitNumber, rhs.m_satelliteOrbitNumber);
}
bool CelestialCoordinate::operator==(CelestialCoordinate const& rhs) const {
return tie(m_location, m_planetaryOrbitNumber, m_satelliteOrbitNumber)
== tie(rhs.m_location, rhs.m_planetaryOrbitNumber, rhs.m_satelliteOrbitNumber);
}
bool CelestialCoordinate::operator!=(CelestialCoordinate const& rhs) const {
return tie(m_location, m_planetaryOrbitNumber, m_satelliteOrbitNumber)
!= tie(rhs.m_location, rhs.m_planetaryOrbitNumber, rhs.m_satelliteOrbitNumber);
}
std::ostream& operator<<(std::ostream& os, CelestialCoordinate const& coord) {
if (coord.isNull()) {
os << "null";
} else {
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format(os, "{}:{}:{}", coord.m_location[0], coord.m_location[1], coord.m_location[2]);
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if (coord.m_planetaryOrbitNumber) {
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format(os, ":{}", coord.m_planetaryOrbitNumber);
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if (coord.m_satelliteOrbitNumber)
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format(os, ":{}", coord.m_satelliteOrbitNumber);
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}
}
return os;
}
DataStream& operator>>(DataStream& ds, CelestialCoordinate& coordinate) {
ds.read(coordinate.m_location);
ds.read(coordinate.m_planetaryOrbitNumber);
ds.read(coordinate.m_satelliteOrbitNumber);
return ds;
}
DataStream& operator<<(DataStream& ds, CelestialCoordinate const& coordinate) {
ds.write(coordinate.m_location);
ds.write(coordinate.m_planetaryOrbitNumber);
ds.write(coordinate.m_satelliteOrbitNumber);
return ds;
}
}