115 lines
4.2 KiB
C++
115 lines
4.2 KiB
C++
#include "StarPhysicsObject.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarInterpolation.hpp"
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#include "StarRoot.hpp"
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#include "StarObjectDatabase.hpp"
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#include "StarLuaConverters.hpp"
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namespace Star {
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PhysicsObject::PhysicsObject(ObjectConfigConstPtr config, Json const& parameters) : Object(move(config), parameters) {
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for (auto const& p : configValue("physicsForces", JsonObject()).iterateObject()) {
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auto& forceConfig = m_physicsForces[p.first];
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forceConfig.forceRegion = jsonToPhysicsForceRegion(p.second);
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forceConfig.enabled.set(p.second.getBool("enabled", true));
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}
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for (auto const& p : configValue("physicsCollisions", JsonObject()).iterateObject()) {
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auto& collisionConfig = m_physicsCollisions[p.first];
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collisionConfig.movingCollision = PhysicsMovingCollision::fromJson(p.second);
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collisionConfig.xPosition.set(take(collisionConfig.movingCollision.position[0]));
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collisionConfig.yPosition.set(take(collisionConfig.movingCollision.position[1]));
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collisionConfig.enabled.set(p.second.getBool("enabled", true));
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}
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m_physicsForces.sortByKey();
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for (auto& p : m_physicsForces)
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m_netGroup.addNetElement(&p.second.enabled);
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m_physicsCollisions.sortByKey();
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for (auto& p : m_physicsCollisions) {
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m_netGroup.addNetElement(&p.second.xPosition);
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m_netGroup.addNetElement(&p.second.yPosition);
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p.second.xPosition.setInterpolator(lerp<float, float>);
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p.second.yPosition.setInterpolator(lerp<float, float>);
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m_netGroup.addNetElement(&p.second.enabled);
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}
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}
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void PhysicsObject::enableInterpolation(float extrapolationHint) {
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m_netGroup.enableNetInterpolation(extrapolationHint);
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}
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void PhysicsObject::disableInterpolation() {
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m_netGroup.disableNetInterpolation();
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}
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void PhysicsObject::init(World* world, EntityId entityId, EntityMode mode) {
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if (mode == EntityMode::Master) {
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LuaCallbacks physicsCallbacks;
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physicsCallbacks.registerCallback("setForceEnabled", [this](String const& force, bool enabled) {
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m_physicsForces.get(force).enabled.set(enabled);
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});
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physicsCallbacks.registerCallback("setCollisionPosition", [this](String const& collision, Vec2F const& pos) {
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auto& collisionConfig = m_physicsCollisions.get(collision);
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collisionConfig.xPosition.set(pos[0]);
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collisionConfig.yPosition.set(pos[1]);
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});
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physicsCallbacks.registerCallback("setCollisionEnabled", [this](String const& collision, bool const& enabled) {
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auto& collisionConfig = m_physicsCollisions.get(collision);
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collisionConfig.enabled.set(enabled);
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});
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m_scriptComponent.addCallbacks("physics", move(physicsCallbacks));
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}
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Object::init(world, entityId, mode);
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m_metaBoundBox = Object::metaBoundBox();
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for (auto const& p : m_physicsForces) {
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PhysicsForceRegion forceRegion = p.second.forceRegion;
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forceRegion.call([pos = position()](auto& fr) { fr.translate(pos); });
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m_metaBoundBox.combine(forceRegion.call([](auto& fr) { return fr.boundBox(); }));
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}
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}
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void PhysicsObject::uninit() {
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m_scriptComponent.removeCallbacks("physics");
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Object::uninit();
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}
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void PhysicsObject::update(float dt, uint64_t currentStep) {
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Object::update(dt, currentStep);
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if (isSlave())
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m_netGroup.tickNetInterpolation(WorldTimestep);
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}
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RectF PhysicsObject::metaBoundBox() const {
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return m_metaBoundBox;
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}
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List<PhysicsForceRegion> PhysicsObject::forceRegions() const {
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List<PhysicsForceRegion> forces;
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for (auto const& p : m_physicsForces) {
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if (p.second.enabled.get()) {
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PhysicsForceRegion forceRegion = p.second.forceRegion;
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forceRegion.call([pos = position()](auto& fr) { fr.translate(pos); });
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forces.append(move(forceRegion));
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}
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}
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return forces;
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}
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size_t PhysicsObject::movingCollisionCount() const {
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return m_physicsCollisions.size();
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}
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Maybe<PhysicsMovingCollision> PhysicsObject::movingCollision(size_t positionIndex) const {
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auto const& collisionConfig = m_physicsCollisions.valueAt(positionIndex);
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if (!collisionConfig.enabled.get())
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return {};
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PhysicsMovingCollision collision = collisionConfig.movingCollision;
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collision.translate(position() + Vec2F(collisionConfig.xPosition.get(), collisionConfig.yPosition.get()));
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return collision;
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}
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}
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