Archive.cc

#include "Archive.hh"
 
#include <algorithm>
#include <cstddef>
 
namespace Kinoko::EGG {

Archive::~Archive() {
    s_archiveList.remove(this);
}

void Archive::unmount() {
    if (--m_refCount <= 0) {
        delete this;
    }
}

s32 Archive::convertPathToEntryId(const char *path) const {
    return m_handle.convertPathToEntryId(path);
}

void *Archive::getFileFast(s32 entryId, Abstract::ArchiveHandle::FileInfo &info) const {
    m_handle.open(entryId, info);
    return m_handle.getFileAddress(info);
}

Archive *Archive::FindArchive(void *archiveStart) {
    ASSERT(archiveStart);
 
    auto *iter = reinterpret_cast<Archive *>(s_archiveList.getFirst());
 
    while (iter && iter->m_handle.startAddress() != archiveStart) {
        iter = reinterpret_cast<Archive *>(s_archiveList.getNext(iter));
    }
 
    return iter;
}

Archive *Archive::Mount(void *archiveStart) {
    Archive *archive = FindArchive(archiveStart);
 
    if (!archive) {
        // Create a new archive and add it to the list
        archive = new Archive(archiveStart);
        s_archiveList.append(archive);
    } else {
        // It already exists, increase the reference count
        archive->m_refCount++;
    }
 
    return archive;
}

Archive::Archive(void *archiveStart) : m_handle(archiveStart) {}
 
Abstract::Memory::MEMList Archive::s_archiveList =
        Abstract::Memory::MEMList(Archive::GetLinkOffset());
 
} // namespace Kinoko::EGG