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openrw/rwlib/source/loaders/LoaderIMG.hpp

67 lines
1.7 KiB
C++

#pragma once
#ifndef _LOADERIMG_HPP_
#define _LOADERIMG_HPP_
#include <iostream>
#include <vector>
#include <cstdint>
/// \brief Points to one file within the archive
class LoaderIMGFile
{
public:
uint32_t offset;
uint32_t size;
char name[24];
};
/**
\class LoaderIMG
\brief Parses the structure of GTA .IMG archives and loads the files in it
*/
class LoaderIMG
{
public:
/// Multiple versions of .IMG files
enum Versions
{
GTAIIIVC, ///< GTA III and GTA VC archives -- only this one is implemented
GTASA,
GTAIV
};
/// Construct
LoaderIMG();
/// Load the structure of the archive
/// Omit the extension in filename so both .dir and .img are loaded when appropriate
bool load(const std::string& filename);
/// Load a file from the archive to memory and pass a pointer to it
/// Warning: Please delete[] the memory in the end.
/// Warning: Returns NULL (0) if by any reason it can't load the file
char* loadToMemory(const std::string& assetname);
/// Writes the contents of assetname to filename
bool saveAsset(const std::string& assetname, const std::string& filename);
/// Get the information of an asset in the examining archive
bool findAssetInfo(const std::string& assetname, LoaderIMGFile& out);
/// Get the information of an asset by its index
const LoaderIMGFile &getAssetInfoByIndex(size_t index) const;
/// Returns the number of asset files in the archive
uint32_t getAssetCount() const;
private:
Versions m_version; ///< Version of this IMG archive
uint32_t m_assetCount; ///< Number of assets in the current archive
std::string m_archive; ///< Path to the archive being used (no extension)
std::vector<LoaderIMGFile> m_assets; ///< Asset info of the archive
};
#endif // LoaderIMG_h__