59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
#include "StarParticleDatabase.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarAssets.hpp"
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#include "StarRoot.hpp"
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namespace Star {
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ParticleConfig::ParticleConfig(Json const& config) {
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m_kind = config.getString("kind");
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m_particle = Particle(config.queryObject("definition"));
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m_variance = Particle(config.queryObject("definition.variance", {}));
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}
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String const& ParticleConfig::kind() {
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return m_kind;
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}
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Particle ParticleConfig::instance() {
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auto particle = m_particle;
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particle.applyVariance(m_variance);
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return particle;
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}
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ParticleDatabase::ParticleDatabase() {
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auto assets = Root::singleton().assets();
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auto& files = assets->scanExtension("particle");
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assets->queueJsons(files);
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for (auto& file : files) {
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auto particleConfig = make_shared<ParticleConfig>(assets->json(file));
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if (m_configs.contains(particleConfig->kind()))
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throw StarException(strf("Duplicate particle asset kind Name {}. configfile {}", particleConfig->kind(), file));
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m_configs[particleConfig->kind()] = particleConfig;
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}
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}
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ParticleConfigPtr ParticleDatabase::config(String const& kind) const {
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auto k = kind.toLower();
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if (!m_configs.contains(k))
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throw StarException(strf("Unknown particle definition with kind {}.", kind));
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return m_configs.get(k);
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}
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ParticleVariantCreator ParticleDatabase::particleCreator(Json const& kindOrConfig, String const& relativePath) const {
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if (kindOrConfig.isType(Json::Type::String)) {
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auto pconfig = config(kindOrConfig.toString());
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return [pconfig]() { return pconfig->instance(); };
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} else {
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Particle particle(kindOrConfig.toObject(), relativePath);
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Particle variance(kindOrConfig.getObject("variance", {}), relativePath);
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return makeParticleVariantCreator(std::move(particle), std::move(variance));
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}
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}
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Particle ParticleDatabase::particle(Json const& kindOrConfig, String const& relativePath) const {
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return particleCreator(kindOrConfig, relativePath)();
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}
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}
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