111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
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#include "StarEffectEmitter.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarRoot.hpp"
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#include "StarParticleDatabase.hpp"
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#include "StarEntityRendering.hpp"
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#include "StarDataStreamExtra.hpp"
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namespace Star {
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EffectEmitter::EffectEmitter() {
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m_renders = false;
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m_direction = Direction::Right;
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addNetElement(&m_activeSources);
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}
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void EffectEmitter::addEffectSources(String const& position, StringSet effectSources) {
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for (auto& e : effectSources)
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m_newSources.add({position, move(e)});
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}
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void EffectEmitter::setSourcePosition(String name, Vec2F const& position) {
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m_positions[move(name)] = position;
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}
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void EffectEmitter::setDirection(Direction direction) {
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m_direction = direction;
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}
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void EffectEmitter::setBaseVelocity(Vec2F const& velocity) {
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m_baseVelocity = velocity;
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}
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void EffectEmitter::tick(EntityMode mode) {
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if (mode == EntityMode::Master) {
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m_activeSources.set(move(m_newSources));
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m_newSources.clear();
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} else {
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if (!m_newSources.empty())
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throw StarException("EffectEmitters can only be added to the master entity.");
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}
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if (m_renders) {
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eraseWhere(m_sources, [](EffectSourcePtr const& source) { return source->expired(); });
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for (auto& ps : m_sources)
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ps->tick();
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Set<pair<String, String>> current;
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for (auto& ps : m_sources) {
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pair<String, String> entry = {ps->suggestedSpawnLocation(), ps->kind()};
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current.add(entry);
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if (!m_activeSources.get().contains(entry)) {
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ps->stop();
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}
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}
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for (auto& c : m_activeSources.get()) {
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if (!current.contains(c)) {
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m_sources.append(Root::singleton().effectSourceDatabase()->effectSourceConfig(c.second)->instance(c.first));
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}
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}
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}
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}
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void EffectEmitter::reset() {
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m_sources.clear();
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m_newSources.clear();
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m_activeSources.set({});
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}
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void EffectEmitter::render(RenderCallback* renderCallback) {
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m_renders = true;
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if (m_sources.empty())
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return;
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for (auto& ps : m_sources) {
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Vec2F position = m_positions.get(ps->effectSpawnLocation());
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for (auto& p : ps->particles()) {
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Particle particle = Root::singleton().particleDatabase()->particle(p);
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if (m_direction == Direction::Left) {
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particle.flip = true;
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particle.position[0] = -particle.position[0];
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particle.velocity[0] = -particle.velocity[0];
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particle.finalVelocity[0] = -particle.finalVelocity[0];
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}
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particle.velocity += m_baseVelocity;
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particle.finalVelocity += m_baseVelocity;
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particle.position += position;
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renderCallback->addParticle(particle);
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}
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for (auto& s : ps->sounds(position))
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renderCallback->addAudio(s);
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}
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for (auto& ps : m_sources)
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ps->postRender();
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}
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Json EffectEmitter::toJson() const {
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return JsonObject{{"activeSources",
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jsonFromSet<pair<String, String>>(m_activeSources.get(),
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[](pair<String, String> const& entry) {
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return JsonObject{{"position", entry.first}, {"source", entry.second}};
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})}};
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}
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void EffectEmitter::fromJson(Json const& diskStore) {
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m_activeSources.set(jsonToSet<pair<String, String>>(diskStore.get("activeSources"),
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[](Json const& v) {
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return pair<String, String>{v.getString("position"), v.getString("source")};
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}));
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}
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}
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