ObjectHitTable.cc

#include "ObjectHitTable.hh"
 
#include "game/system/ResourceManager.hh"
 
#include <egg/util/Stream.hh>
 
namespace Kinoko::Field {

ObjectHitTable::ObjectHitTable(const char *filename) {
    size_t size;
    void *file =
            System::ResourceManager::Instance()->getFile(filename, &size, System::ArchiveId::Core);
 
    EGG::RamStream stream = EGG::RamStream(file, size);
 
    m_count = stream.read_s16();
    m_fieldCount = stream.read_s16();
    m_reactions = owning_span<s16>(m_count);
 
    for (auto &reaction : m_reactions) {
        stream.skip(0x2);
        reaction = stream.read_s16();
        stream.skip(m_fieldCount * 2 - 2);
    }
 
    m_slots = reinterpret_cast<const s16 *>(stream.dataAtIndex());
}

ObjectHitTable::~ObjectHitTable() = default;
 
Kart::Reaction ObjectHitTable::reaction(s16 i) const {
    ASSERT(i != -1);
    ASSERT(i < m_count);
    return static_cast<Kart::Reaction>(m_reactions[i]);
}
 
s16 ObjectHitTable::slot(ObjectId id) const {
    constexpr size_t SLOT_COUNT = 0x2f4;
 
    size_t i = static_cast<std::underlying_type_t<ObjectId>>(id);
    return i < SLOT_COUNT ? parse<s16>(m_slots[i]) : -1;
}
 
} // namespace Kinoko::Field