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// * This file is part of the COLOBOT source code
// * Copyright (C) 2014 Polish Portal of Colobot (PPC)
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU General Public License as published by
// * the Free Software Foundation, either version 3 of the License, or
// * (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program. If not, see http://www.gnu.org/licenses/.
#include "common/resources/resourcemanager.h"
#include "common/config.h"
#include "common/logger.h"
#include <physfs.h>
CResourceManager::CResourceManager(const char *argv0)
{
if (!PHYSFS_init(argv0))
{
CLogger::GetInstancePointer()->Error("Error while initializing physfs\n");
}
}
CResourceManager::~CResourceManager()
{
if (PHYSFS_isInit())
{
if (!PHYSFS_deinit())
{
CLogger::GetInstancePointer()->Error("Error while deinitializing physfs\n");
}
}
}
bool CResourceManager::AddLocation(const std::string &location, bool prepend)
{
if (PHYSFS_isInit())
{
if (!PHYSFS_mount(location.c_str(), nullptr, prepend ? 0 : 1))
{
CLogger::GetInstancePointer()->Error("Error while mounting \"%s\"\n", location.c_str());
}
}
return false;
}
bool CResourceManager::RemoveLocation(const std::string &location)
{
if (PHYSFS_isInit())
{
if (!PHYSFS_removeFromSearchPath(location.c_str()))
{
CLogger::GetInstancePointer()->Error("Error while unmounting \"%s\"\n", location.c_str());
}
}
return false;
}
bool CResourceManager::SetSaveLocation(const std::string &location)
{
if (PHYSFS_isInit())
{
if (!PHYSFS_setWriteDir(location.c_str()))
{
CLogger::GetInstancePointer()->Error("Error while setting save location to \"%s\"\n", location.c_str());
}
}
return false;
}
SDL_RWops* CResourceManager::GetSDLFileHandler(const std::string &filename)
{
SDL_RWops *handler = SDL_AllocRW();
if (!handler)
{
CLogger::GetInstancePointer()->Error("Unable to allocate SDL_RWops for \"%s\"\n", filename.c_str());
return nullptr;
}
if (!PHYSFS_isInit())
{
SDL_FreeRW(handler);
return nullptr;
}
PHYSFS_File *file = PHYSFS_openRead(filename.c_str());
if (!file)
{
SDL_FreeRW(handler);
return nullptr;
}
handler->seek = SDLSeek;
handler->read = SDLRead;
handler->write = SDLWrite;
handler->close = SDLClose;
handler->type = 0xc010b04f;
handler->hidden.unknown.data1 = file;
return handler;
}
CSNDFile* CResourceManager::GetSNDFileHandler(const std::string &filename)
{
return new CSNDFile(filename);
}
bool CResourceManager::Exists(const std::string &filename)
{
return PHYSFS_exists(filename.c_str());
}
std::vector<std::string> CResourceManager::ListFiles(const std::string &directory)
{
std::vector<std::string> result;
char **files = PHYSFS_enumerateFiles(directory.c_str());
for (char **i = files; *i != nullptr; i++) {
result.push_back(*i);
}
PHYSFS_freeList(files);
return result;
}
int CResourceManager::SDLClose(SDL_RWops *context)
{
if (CheckSDLContext(context))
{
PHYSFS_close(static_cast<PHYSFS_File *>(context->hidden.unknown.data1));
SDL_FreeRW(context);
return 0;
}
return 1;
}
int CResourceManager::SDLRead(SDL_RWops *context, void *ptr, int size, int maxnum)
{
if (CheckSDLContext(context))
{
PHYSFS_File *file = static_cast<PHYSFS_File *>(context->hidden.unknown.data1);
SDL_memset(ptr, 0, size * maxnum);
return PHYSFS_read(file, ptr, size, maxnum);
}
return 0;
}
int CResourceManager::SDLWrite(SDL_RWops *context, const void *ptr, int size, int num)
{
return 0;
}
int CResourceManager::SDLSeek(SDL_RWops *context, int offset, int whence)
{
if (CheckSDLContext(context))
{
PHYSFS_File *file = static_cast<PHYSFS_File *>(context->hidden.unknown.data1);
int position, result;
switch (whence)
{
default:
case RW_SEEK_SET:
result = PHYSFS_seek(file, offset);
return result > 0 ? offset : -1;
case RW_SEEK_CUR:
position = offset + PHYSFS_tell(file);
result = PHYSFS_seek(file, position);
return result > 0 ? position : -1;
case RW_SEEK_END:
position = PHYSFS_fileLength(file) - offset;
result = PHYSFS_seek(file, position);
return result > 0 ? position : -1;
}
}
return -1;
}
bool CResourceManager::CheckSDLContext(SDL_RWops *context)
{
if (context->type != 0xc010b04f)
{
SDL_SetError("Wrong kind of RWops");
return false;
}
return true;
}
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