metaforce/Runtime/CDvdFile.hpp

80 lines
2.1 KiB
C++

#pragma once
#include "RetroTypes.hpp"
#include "athena/FileReader.hpp"
#include <thread>
#include <mutex>
#include <condition_variable>
namespace urde
{
enum class ESeekOrigin
{
Begin = 0,
Cur = 1,
End = 2
};
struct DVDFileInfo;
class IDvdRequest;
class CDvdFile
{
friend class CResLoader;
friend class CFileDvdRequest;
static hecl::ProjectPath m_DvdRoot;
static std::thread m_WorkerThread;
static std::mutex m_WorkerMutex;
static std::condition_variable m_WorkerCV;
static std::mutex m_WaitMutex;
static std::atomic_bool m_WorkerRun;
static std::vector<std::shared_ptr<IDvdRequest>> m_RequestQueue;
static void WorkerProc();
std::string x18_path;
std::shared_ptr<athena::io::FileReader> m_reader;
public:
static void Initialize(const hecl::ProjectPath& path);
static void Shutdown();
CDvdFile(std::string_view path)
: x18_path(path),
m_reader(std::make_shared<athena::io::FileReader>(
hecl::ProjectPath(m_DvdRoot, path).getAbsolutePath())) {}
operator bool() const { return m_reader->isOpen(); }
void UpdateFilePos(int pos)
{
m_reader->seek(pos, athena::SeekOrigin::Begin);
}
static bool FileExists(std::string_view path)
{
return hecl::ProjectPath(m_DvdRoot, path).isFile();
}
void CloseFile()
{
m_reader->close();
}
std::shared_ptr<IDvdRequest> AsyncSeekRead(void* buf, u32 len, ESeekOrigin whence,
int off, std::function<void(u32)>&& cb = {});
u32 SyncSeekRead(void* buf, u32 len, ESeekOrigin whence, int offset)
{
m_reader->seek(offset, athena::SeekOrigin(whence));
return m_reader->readBytesToBuf(buf, len);
}
std::shared_ptr<IDvdRequest> AsyncRead(void* buf, u32 len, std::function<void(u32)>&& cb = {})
{
return AsyncSeekRead(buf, len, ESeekOrigin::Cur, 0, std::move(cb));
}
u32 SyncRead(void* buf, u32 len)
{
return m_reader->readBytesToBuf(buf, len);
}
u64 Length() {return m_reader->length();}
std::string_view GetPath() const { return x18_path; }
};
}