ReGameDLL_CS/regamedll/game_shared/steam_util.h
2015-12-11 02:30:31 +06:00

87 lines
2.5 KiB
C++

/*
*
* 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 2 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, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*
*/
#ifndef STEAM_UTIL_H
#define STEAM_UTIL_H
#ifdef _WIN32
#pragma once
#endif
class SteamFile
{
public:
SteamFile(const char *filename);
~SteamFile(void);
bool IsValid(void) const
{
return (m_fileData) ? true : false;
}
bool Read(void *data, int length);
private:
byte *m_fileData;
int m_fileDataLength;
byte *m_cursor;
int m_bytesLeft;
};/* size: 16, cachelines: 1, members: 4 */
/* <4eb7b4> ../game_shared/steam_util.h:29 */
inline SteamFile::SteamFile(const char *filename)
{
m_fileData = (byte *)LOAD_FILE_FOR_ME(const_cast<char *>(filename), &m_fileDataLength);
m_cursor = m_fileData;
m_bytesLeft = m_fileDataLength;
}
/* <4eb65d> ../game_shared/steam_util.h:36 */
inline SteamFile::~SteamFile(void)
{
if (m_fileData)
FREE_FILE(m_fileData);
}
/* <4bfdfa> ../game_shared/steam_util.h:42 */
inline bool SteamFile::Read(void *data, int length)
{
if (length > m_bytesLeft || m_cursor == NULL || m_bytesLeft <= 0)
return false;
byte *readCursor = static_cast<byte *>(data);
for (int i = 0; i < length; i++)
{
*readCursor++ = *m_cursor++;
--m_bytesLeft;
}
return true;
}
#endif // STEAM_UTIL_H