osb/source/game/StarCelestialDatabase.cpp

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#include "StarCelestialDatabase.hpp"
#include "StarLexicalCast.hpp"
#include "StarCasting.hpp"
#include "StarRandom.hpp"
#include "StarCompression.hpp"
#include "StarFile.hpp"
#include "StarJsonExtra.hpp"
#include "StarDataStreamExtra.hpp"
#include "StarRoot.hpp"
#include "StarAssets.hpp"
#include "StarVersioningDatabase.hpp"
#include "StarIterator.hpp"
namespace Star {
CelestialDatabase::~CelestialDatabase() {}
RectI CelestialDatabase::xyRange() const {
auto range = m_baseInformation.xyCoordRange;
return RectI(range[0], range[0], range[1], range[1]);
}
int CelestialDatabase::planetOrbitalLevels() const {
return m_baseInformation.planetOrbitalLevels;
}
int CelestialDatabase::satelliteOrbitalLevels() const {
return m_baseInformation.satelliteOrbitalLevels;
}
Vec2I CelestialDatabase::chunkIndexFor(CelestialCoordinate const& coordinate) const {
return chunkIndexFor(coordinate.location().vec2());
}
Vec2I CelestialDatabase::chunkIndexFor(Vec2I const& systemXY) const {
return {(systemXY[0] - pmod(systemXY[0], m_baseInformation.chunkSize)) / m_baseInformation.chunkSize,
(systemXY[1] - pmod(systemXY[1], m_baseInformation.chunkSize)) / m_baseInformation.chunkSize};
}
List<Vec2I> CelestialDatabase::chunkIndexesFor(RectI const& region) const {
if (region.isEmpty())
return {};
List<Vec2I> chunkLocations;
RectI chunkRegion(chunkIndexFor(region.min()), chunkIndexFor(region.max() - Vec2I(1, 1)));
for (int x = chunkRegion.xMin(); x <= chunkRegion.xMax(); ++x) {
for (int y = chunkRegion.yMin(); y <= chunkRegion.yMax(); ++y)
chunkLocations.append({x, y});
}
return chunkLocations;
}
RectI CelestialDatabase::chunkRegion(Vec2I const& chunkIndex) const {
return RectI(chunkIndex * m_baseInformation.chunkSize, (chunkIndex + Vec2I(1, 1)) * m_baseInformation.chunkSize);
}
CelestialMasterDatabase::CelestialMasterDatabase(Maybe<String> databaseFile) {
auto assets = Root::singleton().assets();
auto config = assets->json("/celestial.config");
m_baseInformation.planetOrbitalLevels = config.getInt("planetOrbitalLevels");
m_baseInformation.satelliteOrbitalLevels = config.getInt("satelliteOrbitalLevels");
m_baseInformation.chunkSize = config.getInt("chunkSize");
m_baseInformation.xyCoordRange = jsonToVec2I(config.get("xyCoordRange"));
m_baseInformation.zCoordRange = jsonToVec2I(config.get("zCoordRange"));
m_generationInformation.systemProbability = config.getFloat("systemProbability");
m_generationInformation.constellationProbability = config.getFloat("constellationProbability");
m_generationInformation.constellationLineCountRange = jsonToVec2U(config.get("constellationLineCountRange"));
m_generationInformation.constellationMaxTries = config.getUInt("constellationMaxTries");
m_generationInformation.maximumConstellationLineLength = config.getFloat("maximumConstellationLineLength");
m_generationInformation.minimumConstellationLineLength = config.getFloat("minimumConstellationLineLength");
m_generationInformation.minimumConstellationMagnitude = config.getFloat("minimumConstellationMagnitude");
m_generationInformation.minimumConstellationLineCloseness = config.getFloat("minimumConstellationLineCloseness");
// Copy construct into a Map<String, Json> in the parsing of the weighted
// pools to make sure that each WeightedPool is predictably populated based
// on key order.
for (auto const& systemPair : Map<String, Json>::from(config.getObject("systemTypes"))) {
SystemType systemType;
systemType.typeName = systemPair.first;
systemType.baseParameters = systemPair.second.get("baseParameters");
systemType.variationParameters = systemPair.second.getArray("variationParameters", JsonArray());
for (auto const& orbitRegion : systemPair.second.getArray("orbitRegions", JsonArray())) {
String regionName = orbitRegion.getString("regionName");
Vec2I orbitRange = jsonToVec2I(orbitRegion.get("orbitRange"));
float bodyProbability = orbitRegion.getFloat("bodyProbability");
WeightedPool<String> regionPlanetaryTypes = jsonToWeightedPool<String>(orbitRegion.get("planetaryTypes"));
WeightedPool<String> regionSatelliteTypes = jsonToWeightedPool<String>(orbitRegion.get("satelliteTypes"));
systemType.orbitRegions.append({regionName, orbitRange, bodyProbability, regionPlanetaryTypes, regionSatelliteTypes});
}
m_generationInformation.systemTypes.add(systemPair.first, systemType);
}
m_generationInformation.systemTypePerlin = PerlinD(config.getObject("systemTypePerlin"), staticRandomU64("SystemTypePerlin"));
m_generationInformation.systemTypeBins = config.get("systemTypeBins");
for (auto const& planetaryPair : Map<String, Json>::from(config.getObject("planetaryTypes"))) {
PlanetaryType planetaryType;
planetaryType.typeName = planetaryPair.first;
planetaryType.satelliteProbability = planetaryPair.second.getFloat("satelliteProbability");
planetaryType.maxSatelliteCount =
planetaryPair.second.getUInt("maxSatelliteCount", m_baseInformation.satelliteOrbitalLevels);
planetaryType.baseParameters = planetaryPair.second.get("baseParameters");
planetaryType.variationParameters = planetaryPair.second.getArray("variationParameters", JsonArray());
planetaryType.orbitParameters = planetaryPair.second.getObject("orbitParameters", JsonObject());
m_generationInformation.planetaryTypes[planetaryType.typeName] = planetaryType;
}
for (auto const& satellitePair : Map<String, Json>::from(config.getObject("satelliteTypes"))) {
SatelliteType satelliteType;
satelliteType.typeName = satellitePair.first;
satelliteType.baseParameters = satellitePair.second.get("baseParameters");
satelliteType.variationParameters = satellitePair.second.getArray("variationParameters", JsonArray());
satelliteType.orbitParameters = satellitePair.second.getObject("orbitParameters", JsonObject());
m_generationInformation.satelliteTypes[satelliteType.typeName] = satelliteType;
}
auto namesConfig = assets->json("/celestial/names.config");
m_generationInformation.planetarySuffixes = jsonToStringList(namesConfig.get("planetarySuffixes"));
m_generationInformation.satelliteSuffixes = jsonToStringList(namesConfig.get("satelliteSuffixes"));
for (auto const& list : namesConfig.get("systemPrefixNames").iterateArray())
m_generationInformation.systemPrefixNames.add(list.getFloat(0), list.getString(1));
for (auto const& list : namesConfig.get("systemNames").iterateArray())
m_generationInformation.systemNames.add(list.getFloat(0), list.getString(1));
for (auto const& list : namesConfig.get("systemSuffixNames").iterateArray())
m_generationInformation.systemSuffixNames.add(list.getFloat(0), list.getString(1));
if (databaseFile) {
m_database.setContentIdentifier("Celestial2");
m_database.setIODevice(File::open(*databaseFile, IOMode::ReadWrite));
m_database.open();
if (m_database.contentIdentifier() != "Celestial2") {
Logger::error("CelestialMasterDatabase database content identifier is not 'Celestial2', moving out of the way and recreating");
m_database.close();
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File::rename(*databaseFile, strf("{}.{}.fail", *databaseFile, Time::millisecondsSinceEpoch()));
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m_database.setIODevice(File::open(*databaseFile, IOMode::ReadWrite));
m_database.open();
}
m_database.setAutoCommit(false);
}
m_commitInterval = config.getFloat("commitInterval");
m_commitTimer.restart(m_commitInterval);
}
CelestialBaseInformation CelestialMasterDatabase::baseInformation() const {
return m_baseInformation;
}
CelestialResponse CelestialMasterDatabase::respondToRequest(CelestialRequest const& request) {
RecursiveMutexLocker locker(m_mutex);
if (auto chunkLocation = request.maybeLeft()) {
auto chunk = getChunk(*chunkLocation);
// System objects are sent by separate system requests.
chunk.systemObjects.clear();
return makeLeft(std::move(chunk));
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} else if (auto systemLocation = request.maybeRight()) {
auto const& chunk = getChunk(chunkIndexFor(*systemLocation));
CelestialSystemObjects systemObjects = {*systemLocation, chunk.systemObjects.get(*systemLocation)};
return makeRight(std::move(systemObjects));
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} else {
return CelestialResponse();
}
}
void CelestialMasterDatabase::cleanupAndCommit() {
RecursiveMutexLocker locker(m_mutex);
m_chunkCache.cleanup();
if (m_database.isOpen() && m_commitTimer.timeUp()) {
m_database.commit();
m_commitTimer.restart(m_commitInterval);
}
}
bool CelestialMasterDatabase::coordinateValid(CelestialCoordinate const& coordinate) {
RecursiveMutexLocker locker(m_mutex);
if (!coordinate)
return false;
auto const& chunk = getChunk(chunkIndexFor(coordinate));
auto systemObjects = chunk.systemObjects.ptr(coordinate.location());
if (!systemObjects)
return false;
if (coordinate.isSystem())
return true;
auto planet = systemObjects->ptr(coordinate.planet().orbitNumber());
if (!planet)
return false;
if (coordinate.isPlanetaryBody())
return true;
return planet->satelliteParameters.contains(coordinate.orbitNumber());
}
Maybe<CelestialCoordinate> CelestialMasterDatabase::findRandomWorld(unsigned tries, unsigned trySpatialRange,
function<bool(CelestialCoordinate)> filter, Maybe<uint64_t> seed) {
RandomSource randSource;
if (seed)
randSource.init(*seed);
for (unsigned i = 0; i < tries; ++i) {
RectI range = xyRange();
Vec2I randomLocation = Vec2I(randSource.randInt(range.xMin(), range.xMax()), randSource.randInt(range.yMin(), range.yMax()));
for (auto& system : scanSystems(RectI::withCenter(randomLocation, Vec2I::filled(trySpatialRange)))) {
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if (!hasChildren(system).value(false))
continue;
auto world = randSource.randFrom(children(system));
// This sucks, 50% of the time will try and return satellite, not really
// balanced probability wise
if (hasChildren(world).value(false) && randSource.randb())
world = randSource.randFrom(children(world));
if (!filter || filter(world))
return world;
}
}
return {};
}
Maybe<CelestialParameters> CelestialMasterDatabase::parameters(CelestialCoordinate const& coordinate) {
RecursiveMutexLocker locker(m_mutex);
if (!coordinateValid(coordinate))
throw CelestialException("CelestialMasterDatabase::parameters called on invalid coordinate");
auto const& chunk = getChunk(chunkIndexFor(coordinate));
if (coordinate.isSatelliteBody())
return chunk.systemObjects.get(coordinate.location())
.get(coordinate.parent().orbitNumber())
.satelliteParameters.get(coordinate.orbitNumber());
if (coordinate.isPlanetaryBody())
return chunk.systemObjects.get(coordinate.location()).get(coordinate.orbitNumber()).planetParameters;
return chunk.systemParameters.get(coordinate.location());
}
Maybe<String> CelestialMasterDatabase::name(CelestialCoordinate const& coordinate) {
return parameters(coordinate)->name();
}
Maybe<bool> CelestialMasterDatabase::hasChildren(CelestialCoordinate const& coordinate) {
RecursiveMutexLocker locker(m_mutex);
if (!coordinateValid(coordinate))
throw CelestialException("CelestialMasterDatabase::hasChildren called on invalid coordinate");
auto const& systemObjects = getChunk(chunkIndexFor(coordinate)).systemObjects.get(coordinate.location());
if (coordinate.isSystem())
return !systemObjects.empty();
if (coordinate.isPlanetaryBody())
return !systemObjects.get(coordinate.orbitNumber()).satelliteParameters.empty();
return false;
}
List<CelestialCoordinate> CelestialMasterDatabase::children(CelestialCoordinate const& coordinate) {
return childOrbits(coordinate).transformed(bind(&CelestialCoordinate::child, coordinate, _1));
}
List<int> CelestialMasterDatabase::childOrbits(CelestialCoordinate const& coordinate) {
RecursiveMutexLocker locker(m_mutex);
if (!coordinateValid(coordinate))
throw CelestialException("CelestialMasterDatabase::childOrbits called on invalid coordinate");
auto const& systemObjects = getChunk(chunkIndexFor(coordinate)).systemObjects.get(coordinate.location());
if (coordinate.isSystem())
return systemObjects.keys();
if (coordinate.isPlanetaryBody())
return systemObjects.get(coordinate.orbitNumber()).satelliteParameters.keys();
throw CelestialException("CelestialMasterDatabase::childOrbits called on improper type!");
}
List<CelestialCoordinate> CelestialMasterDatabase::scanSystems(RectI const& region, Maybe<StringSet> const& includedTypes) {
RecursiveMutexLocker locker(m_mutex);
List<CelestialCoordinate> systems;
for (auto const& chunkLocation : chunkIndexesFor(region)) {
auto const& chunkData = getChunk(chunkLocation, [&](std::function<void()>&& func) {
locker.unlock();
func();
locker.lock();
});
locker.unlock();
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for (auto const& pair : chunkData.systemParameters) {
Vec3I systemLocation = pair.first;
if (region.contains(systemLocation.vec2())) {
if (includedTypes) {
String thisType = pair.second.getParameter("typeName", "").toString();
if (!includedTypes->contains(thisType))
continue;
}
systems.append(CelestialCoordinate(systemLocation));
}
}
locker.lock();
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}
return systems;
}
List<pair<Vec2I, Vec2I>> CelestialMasterDatabase::scanConstellationLines(RectI const& region) {
RecursiveMutexLocker locker(m_mutex);
List<pair<Vec2I, Vec2I>> lines;
for (auto const& chunkLocation : chunkIndexesFor(region)) {
auto const& chunkData = getChunk(chunkLocation);
for (auto const& constellation : chunkData.constellations) {
for (auto const& line : constellation) {
if (region.intersects(Line2I(line.first, line.second)))
lines.append(line);
}
}
}
return lines;
}
bool CelestialMasterDatabase::scanRegionFullyLoaded(RectI const&) {
return true;
}
void CelestialMasterDatabase::updateParameters(CelestialCoordinate const& coordinate, CelestialParameters const& parameters) {
RecursiveMutexLocker locker(m_mutex);
if (!coordinateValid(coordinate))
throw CelestialException("CelestialMasterDatabase::updateParameters called on invalid coordinate");
auto chunkIndex = chunkIndexFor(coordinate);
auto chunk = getChunk(chunkIndex);
bool updated = false;
if (coordinate.isSatelliteBody()) {
chunk.systemObjects.get(coordinate.location())
.get(coordinate.parent().orbitNumber())
.satelliteParameters.set(coordinate.orbitNumber(), parameters);
updated = true;
} else if (coordinate.isPlanetaryBody()) {
chunk.systemObjects.get(coordinate.location()).get(coordinate.orbitNumber()).planetParameters = parameters;
updated = true;
}
if (updated && m_database.isOpen()) {
auto versioningDatabase = Root::singleton().versioningDatabase();
auto versionedChunk = versioningDatabase->makeCurrentVersionedJson("CelestialChunk", chunk.toJson());
m_database.insert(DataStreamBuffer::serialize(chunkIndex), compressData(DataStreamBuffer::serialize<VersionedJson>(versionedChunk)));
m_chunkCache.remove(chunkIndex);
} else {
updated = false;
}
if (!updated)
throw CelestialException("CelestialMasterDatabase::updateParameters failed; coordinate is not a valid planet or satellite, or celestial database was not open for writing");
}
Maybe<CelestialOrbitRegion> CelestialMasterDatabase::orbitRegion(
List<CelestialOrbitRegion> const& orbitRegions, int planetaryOrbitNumber) {
for (auto const& region : orbitRegions) {
if (planetaryOrbitNumber >= region.orbitRange[0] && planetaryOrbitNumber <= region.orbitRange[1])
return region;
}
return {};
}
CelestialChunk const& CelestialMasterDatabase::getChunk(Vec2I const& chunkIndex, UnlockDuringFunction unlockDuring) {
return m_chunkCache.get(chunkIndex, [&](Vec2I const& chunkIndex) -> CelestialChunk {
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auto versioningDatabase = Root::singleton().versioningDatabase();
if (m_database.isOpen()) {
if (auto chunkData = m_database.find(DataStreamBuffer::serialize(chunkIndex))) {
auto versionedChunk = DataStreamBuffer::deserialize<VersionedJson>(uncompressData(chunkData.take()));
if (!versioningDatabase->versionedJsonCurrent(versionedChunk)) {
versionedChunk = versioningDatabase->updateVersionedJson(versionedChunk);
m_database.insert(DataStreamBuffer::serialize(chunkIndex),
compressData(DataStreamBuffer::serialize<VersionedJson>(versionedChunk)));
}
return CelestialChunk(versionedChunk.content);
}
}
CelestialChunk newChunk;
auto producer = [&]() { newChunk = produceChunk(chunkIndex); };
if (unlockDuring)
unlockDuring(producer);
else
producer();
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if (m_database.isOpen()) {
auto versionedChunk = versioningDatabase->makeCurrentVersionedJson("CelestialChunk", newChunk.toJson());
m_database.insert(DataStreamBuffer::serialize(chunkIndex),
compressData(DataStreamBuffer::serialize<VersionedJson>(versionedChunk)));
}
return newChunk;
});
}
CelestialChunk CelestialMasterDatabase::produceChunk(Vec2I const& chunkIndex) const {
CelestialChunk chunkData;
chunkData.chunkIndex = chunkIndex;
RandomSource random(staticRandomU64(chunkIndex[0], chunkIndex[1], "ChunkIndexMix"));
RectI region = chunkRegion(chunkIndex);
List<Vec3I> systemLocations;
for (int x = region.xMin(); x < region.xMax(); ++x) {
for (int y = region.yMin(); y < region.yMax(); ++y) {
if (random.randf() < m_generationInformation.systemProbability) {
auto z = random.randi32() % (m_baseInformation.zCoordRange[1] - m_baseInformation.zCoordRange[0])
+ m_baseInformation.zCoordRange[0];
systemLocations.append(Vec3I(x, y, z));
}
}
}
List<Vec2I> constellationCandidates;
for (auto const& systemLocation : systemLocations) {
if (auto systemInformation = produceSystem(random, systemLocation)) {
chunkData.systemParameters[systemLocation] = systemInformation.get().first;
chunkData.systemObjects[systemLocation] = std::move(systemInformation.get().second);
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if (systemInformation.get().first.getParameter("magnitude").toFloat()
>= m_generationInformation.minimumConstellationMagnitude)
constellationCandidates.append(systemLocation.vec2());
}
}
chunkData.constellations = produceConstellations(random, constellationCandidates);
return chunkData;
}
Maybe<pair<CelestialParameters, HashMap<int, CelestialPlanet>>> CelestialMasterDatabase::produceSystem(
RandomSource& random, Vec3I const& location) const {
float typeSelector = m_generationInformation.systemTypePerlin.get(location[0], location[1]);
String systemTypeName = binnedChoiceFromJson(m_generationInformation.systemTypeBins, typeSelector, "").toString();
if (systemTypeName.empty())
return {};
auto systemType = m_generationInformation.systemTypes.get(systemTypeName);
CelestialCoordinate systemCoordinate(location);
uint64_t systemSeed = random.randu64();
String prefix = m_generationInformation.systemPrefixNames.select(random);
String mid = m_generationInformation.systemNames.select(random);
String suffix = m_generationInformation.systemSuffixNames.select(random);
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String systemName = String(strf("{} {} {}", prefix, mid, suffix)).trim();
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systemName = systemName.replace("<onedigit>", strf("{:01d}", random.randu32() % 10));
systemName = systemName.replace("<twodigit>", strf("{:02d}", random.randu32() % 100));
systemName = systemName.replace("<threedigit>", strf("{:03d}", random.randu32() % 1000));
systemName = systemName.replace("<fourdigit>", strf("{:04d}", random.randu32() % 10000));
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CelestialParameters systemParameters = CelestialParameters(systemCoordinate,
systemSeed,
systemName,
jsonMerge(systemType.baseParameters, random.randValueFrom(systemType.variationParameters)));
List<int> planetaryOrbits;
for (int i = 1; i <= m_baseInformation.planetOrbitalLevels; ++i) {
if (auto systemOrbitRegion = orbitRegion(systemType.orbitRegions, i)) {
if (random.randf() <= systemOrbitRegion->bodyProbability)
planetaryOrbits.append(i);
}
}
HashMap<int, CelestialPlanet> systemObjects;
for (auto planetPair : enumerateIterator(planetaryOrbits)) {
auto systemOrbitRegion = orbitRegion(systemType.orbitRegions, planetPair.first);
auto planetaryTypeName = systemOrbitRegion->planetaryTypes.select(random);
if (m_generationInformation.planetaryTypes.contains(planetaryTypeName)) {
auto planetaryType = m_generationInformation.planetaryTypes.get(planetaryTypeName);
auto planetaryParameters =
jsonMerge(planetaryType.baseParameters, random.randValueFrom(planetaryType.variationParameters));
CelestialCoordinate planetCoordinate(location, planetPair.first);
uint64_t planetarySeed = random.randu64();
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String planetaryName = strf("{} {}", systemName, m_generationInformation.planetarySuffixes.at(planetPair.second));
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CelestialPlanet planet;
planet.planetParameters =
CelestialParameters(planetCoordinate, planetarySeed, planetaryName, planetaryParameters);
List<int> satelliteOrbits;
for (int i = 1; i <= m_baseInformation.satelliteOrbitalLevels; ++i) {
if (satelliteOrbits.size() < planetaryType.maxSatelliteCount
&& random.randf() < planetaryType.satelliteProbability)
satelliteOrbits.append(i);
}
for (auto satellitePair : enumerateIterator(satelliteOrbits)) {
auto satelliteTypeName = systemOrbitRegion->satelliteTypes.select(random);
if (m_generationInformation.satelliteTypes.contains(satelliteTypeName)) {
auto satelliteType = m_generationInformation.satelliteTypes.get(satelliteTypeName);
auto satelliteParameters = jsonMerge(satelliteType.baseParameters,
random.randValueFrom(satelliteType.variationParameters),
random.randValueFrom(
satelliteType.orbitParameters.value(systemOrbitRegion->regionName, JsonArray()).toArray()));
CelestialCoordinate satelliteCoordinate(location, planetPair.first, satellitePair.first);
uint64_t satelliteSeed = random.randu64();
String satelliteName =
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strf("{} {}", planetaryName, m_generationInformation.satelliteSuffixes.at(satellitePair.second));
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planet.satelliteParameters[satellitePair.first] =
CelestialParameters(satelliteCoordinate, satelliteSeed, satelliteName, satelliteParameters);
}
}
systemObjects[planetPair.first] = std::move(planet);
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}
}
return pair<CelestialParameters, HashMap<int, CelestialPlanet>>{std::move(systemParameters), std::move(systemObjects)};
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}
List<CelestialConstellation> CelestialMasterDatabase::produceConstellations(
RandomSource& random, List<Vec2I> const& constellationCandidates) const {
List<CelestialConstellation> constellations;
if (random.randf() < m_generationInformation.constellationProbability && constellationCandidates.size() > 2) {
unsigned targetConstellationLineCount = random.randUInt(
m_generationInformation.constellationLineCountRange[0], m_generationInformation.constellationLineCountRange[1]);
Set<Vec2I> constellationPoints;
Set<Line2I> constellationLines;
unsigned tries = 0;
while (constellationLines.size() < targetConstellationLineCount) {
if (++tries > m_generationInformation.constellationMaxTries)
break;
Vec2I start;
if (constellationPoints.empty())
start = random.randValueFrom(constellationCandidates);
else
start = random.randValueFrom(constellationPoints);
Vec2I end = random.randValueFrom(constellationCandidates);
Line2I proposedLine(start, end);
Line2D proposedLineD(proposedLine);
if (start == end)
continue;
if (constellationLines.contains(proposedLine) || constellationLines.contains(proposedLine.reversed()))
continue;
if (proposedLineD.diff().magnitude() > m_generationInformation.maximumConstellationLineLength)
continue;
if (proposedLineD.diff().magnitude() < m_generationInformation.minimumConstellationLineLength)
continue;
bool valid = true;
for (auto const& constellationLine : constellationLines) {
Line2D constellationLineD(constellationLine);
auto intersection = proposedLineD.intersection(constellationLineD);
if (intersection.intersects && Vec2I::round(intersection.point) != proposedLine.min()
&& Vec2I::round(intersection.point) != proposedLine.max()) {
valid = false;
break;
}
if (proposedLine.min() != constellationLine.min() && proposedLine.min() != constellationLine.max()
&& constellationLineD.distanceTo(proposedLineD.min())
< m_generationInformation.minimumConstellationLineCloseness) {
valid = false;
break;
}
if (proposedLine.max() != constellationLine.min() && proposedLine.max() != constellationLine.max()
&& constellationLineD.distanceTo(proposedLineD.max())
< m_generationInformation.minimumConstellationLineCloseness) {
valid = false;
break;
}
}
if (valid) {
constellationLines.add(proposedLine);
constellationPoints.add(proposedLine.min());
constellationPoints.add(proposedLine.max());
}
}
if (constellationLines.size() > 1) {
CelestialConstellation constellation;
for (auto const& line : constellationLines)
constellation.append({line.min(), line.max()});
constellations.append(constellation);
}
}
return constellations;
}
CelestialSlaveDatabase::CelestialSlaveDatabase(CelestialBaseInformation baseInformation) {
auto config = Root::singleton().assets()->json("/celestial.config");
m_baseInformation = std::move(baseInformation);
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m_requestTimeout = config.getFloat("requestTimeout");
}
void CelestialSlaveDatabase::signalRegion(RectI const& region) {
RecursiveMutexLocker locker(m_mutex);
for (auto location : chunkIndexesFor(region)) {
if (!m_chunkCache.ptr(location) && !m_pendingChunkRequests.contains(location))
m_pendingChunkRequests[location] = Timer();
}
}
void CelestialSlaveDatabase::signalSystem(CelestialCoordinate const& system) {
RecursiveMutexLocker locker(m_mutex);
if (auto chunk = m_chunkCache.ptr(chunkIndexFor(system))) {
if (!chunk->systemObjects.contains(system.location()))
m_pendingSystemRequests[system.location()] = Timer();
} else {
signalRegion(RectI::withSize(system.location().vec2(), {1, 1}));
}
}
List<CelestialRequest> CelestialSlaveDatabase::pullRequests() {
RecursiveMutexLocker locker(m_mutex);
List<CelestialRequest> requests;
auto chunkIt = makeSMutableMapIterator(m_pendingChunkRequests);
while (chunkIt.hasNext()) {
auto& pair = chunkIt.next();
if (!pair.second.running()) {
requests.append(makeLeft(pair.first));
pair.second.restart(m_requestTimeout);
} else if (pair.second.timeUp()) {
chunkIt.remove();
}
}
auto systemIt = makeSMutableMapIterator(m_pendingSystemRequests);
while (systemIt.hasNext()) {
auto& pair = systemIt.next();
if (!pair.second.running()) {
requests.append(makeRight(pair.first));
pair.second.restart(m_requestTimeout);
} else if (pair.second.timeUp()) {
systemIt.remove();
}
}
return requests;
}
void CelestialSlaveDatabase::pushResponses(List<CelestialResponse> responses) {
RecursiveMutexLocker locker(m_mutex);
for (auto& response : responses) {
if (auto celestialChunk = response.leftPtr()) {
m_pendingChunkRequests.remove(celestialChunk->chunkIndex);
m_chunkCache.set(celestialChunk->chunkIndex, std::move(*celestialChunk));
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} else if (auto celestialSystemObjects = response.rightPtr()) {
m_pendingSystemRequests.remove(celestialSystemObjects->systemLocation);
auto chunkLocation = chunkIndexFor(celestialSystemObjects->systemLocation);
if (auto chunk = m_chunkCache.ptr(chunkLocation))
chunk->systemObjects[celestialSystemObjects->systemLocation] = std::move(celestialSystemObjects->planets);
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}
}
}
void CelestialSlaveDatabase::cleanup() {
RecursiveMutexLocker locker(m_mutex);
m_chunkCache.cleanup();
}
Maybe<CelestialParameters> CelestialSlaveDatabase::parameters(CelestialCoordinate const& coordinate) {
if (!coordinate)
throw CelestialException("CelestialSlaveDatabase::parameters called on null coordinate");
RecursiveMutexLocker locker(m_mutex);
if (coordinate.isSystem())
signalRegion(RectI::withSize(coordinate.location().vec2(), {1, 1}));
else
signalSystem(coordinate);
if (auto chunk = m_chunkCache.ptr(chunkIndexFor(coordinate))) {
if (coordinate.isSystem())
return chunk->systemParameters.maybe(coordinate.location());
if (auto systemObjects = chunk->systemObjects.ptr(coordinate.location())) {
auto const& planet = systemObjects->get(coordinate.planet().orbitNumber());
if (coordinate.isPlanetaryBody())
return planet.planetParameters;
else if (coordinate.isSatelliteBody())
return planet.satelliteParameters.get(coordinate.orbitNumber());
}
}
return {};
}
Maybe<String> CelestialSlaveDatabase::name(CelestialCoordinate const& coordinate) {
if (auto p = parameters(coordinate))
return p->name();
return {};
}
Maybe<bool> CelestialSlaveDatabase::hasChildren(CelestialCoordinate const& coordinate) {
if (!coordinate)
throw CelestialException("CelestialSlaveDatabase::hasChildren called on null coordinate");
RecursiveMutexLocker locker(m_mutex);
signalSystem(coordinate);
if (auto chunk = m_chunkCache.ptr(chunkIndexFor(coordinate))) {
if (auto systemObjects = chunk->systemObjects.ptr(coordinate.location())) {
if (coordinate.isSystem())
return !systemObjects->empty();
else if (coordinate.isPlanetaryBody())
return !systemObjects->get(coordinate.orbitNumber()).satelliteParameters.empty();
}
}
return {};
}
List<CelestialCoordinate> CelestialSlaveDatabase::children(CelestialCoordinate const& coordinate) {
return childOrbits(coordinate).transformed(bind(&CelestialCoordinate::child, coordinate, _1));
}
List<int> CelestialSlaveDatabase::childOrbits(CelestialCoordinate const& coordinate) {
if (!coordinate)
throw CelestialException("CelestialSlaveDatabase::childOrbits called on null coordinate");
if (coordinate.isSatelliteBody())
throw CelestialException("CelestialSlaveDatabase::childOrbits called on improper type!");
RecursiveMutexLocker locker(m_mutex);
signalSystem(coordinate);
if (auto chunk = m_chunkCache.ptr(chunkIndexFor(coordinate))) {
if (auto systemObjects = chunk->systemObjects.ptr(coordinate.location())) {
if (coordinate.isSystem())
return systemObjects->keys();
else if (coordinate.isPlanetaryBody())
return systemObjects->get(coordinate.orbitNumber()).satelliteParameters.keys();
}
}
return {};
}
List<CelestialCoordinate> CelestialSlaveDatabase::scanSystems(RectI const& region, Maybe<StringSet> const& includedTypes) {
RecursiveMutexLocker locker(m_mutex);
signalRegion(region);
List<CelestialCoordinate> systems;
for (auto const& chunkLocation : chunkIndexesFor(region)) {
if (auto chunkData = m_chunkCache.ptr(chunkLocation)) {
for (auto const& pair : chunkData->systemParameters) {
Vec3I systemLocation = pair.first;
if (region.contains(systemLocation.vec2())) {
if (includedTypes) {
String thisType = pair.second.getParameter("typeName", "").toString();
if (!includedTypes->contains(thisType))
continue;
}
systems.append(CelestialCoordinate(systemLocation));
}
}
}
}
return systems;
}
List<pair<Vec2I, Vec2I>> CelestialSlaveDatabase::scanConstellationLines(RectI const& region) {
RecursiveMutexLocker locker(m_mutex);
signalRegion(region);
List<pair<Vec2I, Vec2I>> lines;
for (auto const& chunkLocation : chunkIndexesFor(region)) {
if (auto chunkData = m_chunkCache.ptr(chunkLocation)) {
for (auto const& constellation : chunkData->constellations) {
for (auto const& line : constellation) {
if (region.intersects(Line2I(line.first, line.second)))
lines.append(line);
}
}
}
}
return lines;
}
bool CelestialSlaveDatabase::scanRegionFullyLoaded(RectI const& region) {
RecursiveMutexLocker locker(m_mutex);
signalRegion(region);
for (auto const& chunkLocation : chunkIndexesFor(region)) {
if (!m_chunkCache.ptr(chunkLocation))
return false;
}
return true;
}
void CelestialSlaveDatabase::invalidateCacheFor(CelestialCoordinate const& coordinate) {
RecursiveMutexLocker locker(m_mutex);
m_chunkCache.remove(chunkIndexFor(coordinate));
}
}