ObjectDirector.cc

#include "ObjectDirector.hh"
 
#include "game/field/BoxColManager.hh"
#include "game/field/ObjectDrivableDirector.hh"
#include "game/field/obj/ObjectRegistry.hh"
 
#include "game/kart/KartObject.hh"
 
#include "game/system/CourseMap.hh"
 
namespace Field {
 
void ObjectDirector::init() {
    for (auto *&obj : m_objects) {
        obj->init();
        obj->calcModel();
    }
 
    ObjectDrivableDirector::Instance()->init();
}
 
void ObjectDirector::calc() {
    for (auto *&obj : m_calcObjects) {
        obj->calc();
    }
 
    for (auto *&obj : m_calcObjects) {
        obj->calcModel();
    }
 
    ObjectDrivableDirector::Instance()->calc();
}
 
void ObjectDirector::addObject(ObjectCollidable *obj) {
    u32 loadFlags = obj->loadFlags();
 
    if (loadFlags & 1) {
        m_calcObjects.push_back(obj);
    }
 
    const auto *set = m_flowTable.set(m_flowTable.slot(obj->id()));
 
    // In the base game, it's possible an object here will access slot -1 (e.g. Moonview Highway
    // cars). We add a nullptr check here to prevent this.
    if (set && set->mode != 0) {
        if (obj->collision()) {
            m_collisionObjects.push_back(obj);
        }
    }
 
    m_objects.push_back(obj);
}
 
void ObjectDirector::addObjectNoImpl(ObjectNoImpl *obj) {
    m_objects.push_back(obj);
}
 
size_t ObjectDirector::checkKartObjectCollision(Kart::KartObject *kartObj,
        ObjectCollisionConvexHull *convexHull) {
    size_t count = 0;
 
    while (ObjectCollidable *obj = BoxColManager::Instance()->getNextObject()) {
        auto *objCollision = obj->collision();
        if (!objCollision) {
            continue;
        }
 
        obj->calcCollisionTransform();
        if (!obj->checkCollision(convexHull, m_hitDepths[count])) {
            continue;
        }
 
        // We have a collision, process it
        // Assume that we are not in a star, mega, or bullet
        Kart::Reaction reactionOnKart = m_hitTableKart.reaction(m_hitTableKart.slot(obj->id()));
        Kart::Reaction reactionOnObj =
                m_hitTableKartObject.reaction(m_hitTableKartObject.slot(obj->id()));
 
        // The object might change the reaction states
        obj->processKartReactions(kartObj, reactionOnKart, reactionOnObj);
 
        Kart::Reaction reaction =
                obj->onCollision(kartObj, reactionOnKart, reactionOnObj, m_hitDepths[count]);
        m_reactions[count] = reaction;
 
        if (reaction == Kart::Reaction::WallAllSpeed || reaction == Kart::Reaction::WallSpark) {
            obj->onWallCollision(kartObj, m_hitDepths[count]);
        } else {
            obj->onObjectCollision(kartObj);
        }
 
        m_collidingObjects[count] = obj;
        if (m_hitDepths[count].y < 0.0f) {
            m_hitDepths[count].y = 0.0f;
        }
 
        ++count;
    }
 
    return count;
}
 
ObjectDirector *ObjectDirector::CreateInstance() {
    ASSERT(!s_instance);
    s_instance = new ObjectDirector;
 
    ObjectDrivableDirector::CreateInstance();
 
    s_instance->createObjects();
 
    return s_instance;
}
 
void ObjectDirector::DestroyInstance() {
    ASSERT(s_instance);
    auto *instance = s_instance;
    s_instance = nullptr;
    delete instance;
 
    ObjectDrivableDirector::DestroyInstance();
}
 
ObjectDirector::ObjectDirector()
    : m_flowTable("ObjFlow.bin"), m_hitTableKart("GeoHitTableKart.bin"),
      m_hitTableKartObject("GeoHitTableKartObj.bin") {}
 
ObjectDirector::~ObjectDirector() {
    if (s_instance) {
        s_instance = nullptr;
        WARN("ObjectDirector instance not explicitly handled!");
    }
 
    for (auto *&obj : m_objects) {
        delete obj;
    }
}
 
void ObjectDirector::createObjects() {
    const auto *courseMap = System::CourseMap::Instance();
    size_t objectCount = courseMap->getGeoObjCount();
 
    // It's possible for the KMP to specify settings for objects that aren't tracked here
    // MAX_UNIT_COUNT is the upper bound for tracked object count, so we reserve the minimum
    size_t maxCount = std::min(objectCount, MAX_UNIT_COUNT);
    m_objects.reserve(maxCount);
    m_calcObjects.reserve(maxCount);
    m_collisionObjects.reserve(maxCount);
 
    for (size_t i = 0; i < objectCount; ++i) {
        const auto *pObj = courseMap->getGeoObj(i);
        ASSERT(pObj);
 
        // Assume one player - if the presence flag isn't set, don't construct it
        if (!(pObj->presenceFlag() & 1)) {
            continue;
        }
 
        // Prevent construction of objects with disabled or no collision
        if (IsObjectBlacklisted(pObj->id())) {
            continue;
        }
 
        ObjectBase *object = createObject(*pObj);
        object->load();
    }
}
 
ObjectBase *ObjectDirector::createObject(const System::MapdataGeoObj &params) {
    ObjectId id = static_cast<ObjectId>(params.id());
    switch (id) {
    case ObjectId::WLWallGC:
        return new ObjectWLWallGC(params);
    case ObjectId::Boble:
        return new ObjectBoble(params);
    case ObjectId::DokanSFC:
        return new ObjectDokan(params);
    case ObjectId::OilSFC:
        return new ObjectOilSFC(params);
    case ObjectId::ParasolR:
        return new ObjectParasolR(params);
    case ObjectId::Kuribo:
        return new ObjectKuribo(params);
    case ObjectId::WLFirebarGC:
        return new ObjectFirebar(params);
    case ObjectId::WLFireRingGC:
        return new ObjectFireRing(params);
    case ObjectId::PuchiPakkun:
        return new ObjectPuchiPakkun(params);
    case ObjectId::KinokoUd:
        return new ObjectKinokoUd(params);
    case ObjectId::KinokoBend:
        return new ObjectKinokoBend(params);
    case ObjectId::KinokoNm:
        return new ObjectKinokoNm(params);
    case ObjectId::Aurora:
        return new ObjectAurora(params);
    // Non-specified objects are stock collidable objects by default
    // However, we need to specify an impl, so we don't use default
    case ObjectId::DummyPole:
    case ObjectId::CastleTree1c:
    case ObjectId::PalmTree:
    case ObjectId::DKtreeA64c:
    case ObjectId::TownTreeDsc:
        return new ObjectCollidable(params);
    case ObjectId::WLDokanGC:
    case ObjectId::Mdush:
        return new ObjectKCL(params);
    default:
        return new ObjectNoImpl(params);
    }
}
 
ObjectDirector *ObjectDirector::s_instance = nullptr; 
 
} // namespace Field