mirror of
https://github.com/s1lentq/ReGameDLL_CS.git
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78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* In addition, as a special exception, the author gives permission to
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* link the code of this program with the Half-Life Game Engine ("HL
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* Engine") and Modified Game Libraries ("MODs") developed by Valve,
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* L.L.C ("Valve"). You must obey the GNU General Public License in all
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* respects for all of the code used other than the HL Engine and MODs
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* from Valve. If you modify this file, you may extend this exception
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* to your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from your
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* version.
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*
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*/
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#pragma once
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class SteamFile
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{
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public:
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SteamFile(const char *filename);
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~SteamFile();
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bool IsValid() const { return (m_fileData) ? true : false; }
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bool Read(void *data, int length);
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private:
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byte *m_fileData;
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int m_fileDataLength;
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byte *m_cursor;
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int m_bytesLeft;
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};
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inline SteamFile::SteamFile(const char *filename)
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{
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m_fileData = (byte *)LOAD_FILE_FOR_ME(const_cast<char *>(filename), &m_fileDataLength);
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m_cursor = m_fileData;
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m_bytesLeft = m_fileDataLength;
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}
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inline SteamFile::~SteamFile()
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{
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if (m_fileData)
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{
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FREE_FILE(m_fileData);
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m_fileData = nullptr;
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}
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}
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inline bool SteamFile::Read(void *data, int length)
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{
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if (length > m_bytesLeft || !m_cursor || m_bytesLeft <= 0)
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return false;
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byte *readCursor = static_cast<byte *>(data);
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for (int i = 0; i < length; i++)
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{
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*readCursor++ = *m_cursor++;
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m_bytesLeft--;
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}
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return true;
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}
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