v1.4.4
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Aria
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233
source/game/StarBiomeDatabase.cpp
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233
source/game/StarBiomeDatabase.cpp
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#include "StarBiomeDatabase.hpp"
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#include "StarRoot.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarStoredFunctions.hpp"
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#include "StarParallax.hpp"
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#include "StarAmbient.hpp"
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#include "StarMaterialDatabase.hpp"
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#include "StarAssets.hpp"
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#include "StarSpawnTypeDatabase.hpp"
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namespace Star {
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BiomeDatabase::BiomeDatabase() {
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auto assets = Root::singleton().assets();
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// 'type' here is the extension of the file, and determines the selector type
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auto scanFiles = [=](String const& type, ConfigMap& map) {
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auto files = assets->scanExtension(type);
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assets->queueJsons(files);
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for (auto path : files) {
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auto parameters = assets->json(path);
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if (parameters.isNull())
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continue;
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auto name = parameters.getString("name");
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if (map.contains(name))
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throw BiomeException(strf("Duplicate %s generator name '%s'", type, name));
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map[name] = {path, name, parameters};
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}
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};
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scanFiles("biome", m_biomes);
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scanFiles("weather", m_weathers);
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}
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StringList BiomeDatabase::biomeNames() const {
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return m_biomes.keys();
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}
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float BiomeDatabase::biomeHueShift(String const& biomeName, uint64_t seed) const {
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auto const& config = m_biomes.get(biomeName);
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return pickHueShiftFromJson(config.parameters.get("hueShiftOptions", {}), seed, "BiomeHueShift");
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}
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WeatherPool BiomeDatabase::biomeWeathers(String const& biomeName, uint64_t seed, float threatLevel) const {
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WeatherPool weatherPool;
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if (auto weatherList = binnedChoiceFromJson(m_biomes.get(biomeName).parameters.get("weather", JsonArray{}), threatLevel).optArray()) {
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auto weatherPoolPath = staticRandomFrom(*weatherList, seed, "WeatherPool");
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auto assets = Root::singleton().assets();
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auto weatherPoolConfig = assets->fetchJson(weatherPoolPath);
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weatherPool = jsonToWeightedPool<String>(weatherPoolConfig);
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}
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return weatherPool;
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}
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bool BiomeDatabase::biomeIsAirless(String const& biomeName) const {
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auto const& config = m_biomes.get(biomeName);
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return config.parameters.getBool("airless", false);
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}
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SkyColoring BiomeDatabase::biomeSkyColoring(String const& biomeName, uint64_t seed) const {
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SkyColoring skyColoring;
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auto const& config = m_biomes.get(biomeName);
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if (auto skyOptions = config.parameters.optArray("skyOptions")) {
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auto option = staticRandomFrom(*skyOptions, seed, "BiomeSkyOption");
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skyColoring.mainColor = jsonToColor(option.get("mainColor"));
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skyColoring.morningColors.first = jsonToColor(option.query("morningColors[0]"));
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skyColoring.morningColors.second = jsonToColor(option.query("morningColors[1]"));
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skyColoring.dayColors.first = jsonToColor(option.query("dayColors[0]"));
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skyColoring.dayColors.second = jsonToColor(option.query("dayColors[1]"));
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skyColoring.eveningColors.first = jsonToColor(option.query("eveningColors[0]"));
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skyColoring.eveningColors.second = jsonToColor(option.query("eveningColors[1]"));
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skyColoring.nightColors.first = jsonToColor(option.query("nightColors[0]"));
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skyColoring.nightColors.second = jsonToColor(option.query("nightColors[1]"));
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skyColoring.morningLightColor = jsonToColor(option.get("morningLightColor"));
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skyColoring.dayLightColor = jsonToColor(option.get("dayLightColor"));
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skyColoring.eveningLightColor = jsonToColor(option.get("eveningLightColor"));
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skyColoring.nightLightColor = jsonToColor(option.get("nightLightColor"));
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}
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return skyColoring;
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}
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String BiomeDatabase::biomeFriendlyName(String const& biomeName) const {
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auto const& config = m_biomes.get(biomeName);
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return config.parameters.getString("friendlyName");
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}
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StringList BiomeDatabase::biomeStatusEffects(String const& biomeName) const {
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auto const& config = m_biomes.get(biomeName);
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return config.parameters.opt("statusEffects").apply(jsonToStringList).value();
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}
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StringList BiomeDatabase::biomeOres(String const& biomeName, float threatLevel) const {
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StringList res;
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auto const& config = m_biomes.get(biomeName);
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auto oreDistribution = config.parameters.get("ores", {});
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if (!oreDistribution.isNull()) {
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auto& root = Root::singleton();
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auto functionDatabase = root.functionDatabase();
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auto oresList = functionDatabase->configFunction(oreDistribution)->get(threatLevel);
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for (Json v : oresList.iterateArray()) {
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if (v.getFloat(1) > 0)
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res.append(v.getString(0));
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}
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}
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return res;
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}
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StringList BiomeDatabase::weatherNames() const {
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return m_weathers.keys();
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}
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WeatherType BiomeDatabase::weatherType(String const& name) const {
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if (!m_weathers.contains(name))
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throw BiomeException(strf("No such weather type '%s'", name));
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auto config = m_weathers.get(name);
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try {
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return WeatherType(config.parameters, config.path);
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} catch (MapException const& e) {
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throw BiomeException(strf("Required key not found in weather config %s", config.path), e);
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}
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}
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BiomePtr BiomeDatabase::createBiome(String const& biomeName, uint64_t seed, float verticalMidPoint, float threatLevel) const {
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if (!m_biomes.contains(biomeName))
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throw BiomeException(strf("No such biome '%s'", biomeName));
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auto& root = Root::singleton();
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auto materialDatabase = root.materialDatabase();
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try {
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RandomSource random(seed);
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auto config = m_biomes.get(biomeName);
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auto biome = make_shared<Biome>();
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float mainHueShift = biomeHueShift(biomeName, seed);
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biome->baseName = biomeName;
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biome->description = config.parameters.getString("description", "");
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if (config.parameters.contains("mainBlock"))
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biome->mainBlock = materialDatabase->materialId(config.parameters.getString("mainBlock"));
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for (Json v : config.parameters.getArray("subBlocks", {}))
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biome->subBlocks.append(materialDatabase->materialId(v.toString()));
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biome->ores = readOres(config.parameters.get("ores", {}), threatLevel);
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biome->surfacePlaceables = readBiomePlaceables(config.parameters.getObject("surfacePlaceables", {}), random.randu64(), mainHueShift);
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biome->undergroundPlaceables = readBiomePlaceables(config.parameters.getObject("undergroundPlaceables", {}), random.randu64(), mainHueShift);
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biome->hueShift = mainHueShift;
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biome->materialHueShift = materialHueFromDegrees(biome->hueShift);
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if (config.parameters.contains("parallax")) {
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auto parallaxFile = AssetPath::relativeTo(config.path, config.parameters.getString("parallax"));
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biome->parallax = make_shared<Parallax>(parallaxFile, seed, verticalMidPoint, mainHueShift, biome->surfacePlaceables.firstTreeType());
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}
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if (config.parameters.contains("musicTrack"))
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biome->musicTrack = make_shared<AmbientNoisesDescription>(config.parameters.getObject("musicTrack"), config.path);
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if (config.parameters.contains("ambientNoises"))
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biome->ambientNoises = make_shared<AmbientNoisesDescription>(config.parameters.getObject("ambientNoises"), config.path);
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if (config.parameters.contains("spawnProfile"))
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biome->spawnProfile = constructSpawnProfile(config.parameters.getObject("spawnProfile"), seed);
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return biome;
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} catch (std::exception const& cause) {
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throw BiomeException(strf("Failed to parse biome: '%s'", biomeName), cause);
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}
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}
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float BiomeDatabase::pickHueShiftFromJson(Json source, uint64_t seed, String const& key) {
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if (source.isNull())
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return 0;
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auto options = jsonToFloatList(source);
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if (options.size() == 0)
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return 0;
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auto t = staticRandomU32(seed, key);
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return options.at(t % options.size());
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}
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BiomePlaceables BiomeDatabase::readBiomePlaceables(Json const& config, uint64_t seed, float biomeHueShift) const {
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auto& root = Root::singleton();
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RandomSource rand(seed);
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BiomePlaceables placeables;
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if (config.contains("grassMod") && !config.getArray("grassMod").empty())
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placeables.grassMod = root.materialDatabase()->modId(rand.randFrom(config.getArray("grassMod")).toString());
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placeables.grassModDensity = config.getFloat("grassModDensity", 0);
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if (config.contains("ceilingGrassMod") && !config.getArray("ceilingGrassMod").empty())
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placeables.ceilingGrassMod = root.materialDatabase()->modId(rand.randFrom(config.getArray("ceilingGrassMod")).toString());
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placeables.ceilingGrassModDensity = config.getFloat("ceilingGrassModDensity", 0);
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for (auto const& itemConfig : config.getArray("items", {}))
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placeables.itemDistributions.append(BiomeItemDistribution(itemConfig, rand.randu64(), biomeHueShift));
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return placeables;
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}
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List<pair<ModId, float>> BiomeDatabase::readOres(Json const& oreDistribution, float threatLevel) const {
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List<pair<ModId, float>> ores;
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if (!oreDistribution.isNull()) {
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auto& root = Root::singleton();
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auto functionDatabase = root.functionDatabase();
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auto materialDatabase = root.materialDatabase();
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auto oresList = functionDatabase->configFunction(oreDistribution)->get(threatLevel);
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for (Json v : oresList.iterateArray()) {
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if (v.getFloat(1) > 0)
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ores.append({materialDatabase->modId(v.getString(0)), v.getFloat(1)});
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}
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}
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return ores;
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}
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}
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