You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
105 lines
3.1 KiB
105 lines
3.1 KiB
/*==LICENSE==* |
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools |
|
Copyright (C) 2011 Cyan Worlds, Inc. |
|
|
|
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/>. |
|
|
|
Additional permissions under GNU GPL version 3 section 7 |
|
|
|
If you modify this Program, or any covered work, by linking or |
|
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
|
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
|
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
|
(or a modified version of those libraries), |
|
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
|
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
|
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
|
licensors of this Program grant you additional |
|
permission to convey the resulting work. Corresponding Source for a |
|
non-source form of such a combination shall include the source code for |
|
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
|
work. |
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
|
or by snail mail at: |
|
Cyan Worlds, Inc. |
|
14617 N Newport Hwy |
|
Mead, WA 99021 |
|
|
|
*==LICENSE==*/ |
|
#include "hsMMIOStream.h" |
|
|
|
////////////////////////////////////////////////////////////////////////////////////// |
|
|
|
#if HS_BUILD_FOR_WIN32 |
|
|
|
#include "hsExceptions.h" |
|
|
|
UInt32 hsMMIOStream::Read(UInt32 bytes, void* buffer) |
|
{ |
|
fBytesRead += bytes; |
|
fPosition += bytes; |
|
int numItems = ::mmioRead(fHmfr, (char*)buffer, bytes); |
|
if ((unsigned)numItems < bytes) |
|
{ |
|
if (numItems>=0 && ::mmioSeek(fHmfr,0,SEEK_CUR)==::mmioSeek(fHmfr,0,SEEK_END)) { |
|
// EOF ocurred |
|
char str[128]; |
|
sprintf(str, "Hit EOF on MMIO Read, only read %d out of requested %d bytes\n", numItems, bytes); |
|
hsDebugMessage(str, 0); |
|
} |
|
else |
|
{ |
|
hsDebugMessage("Error on MMIO Read",0); |
|
} |
|
} |
|
return numItems; |
|
} |
|
|
|
hsBool hsMMIOStream::AtEnd() |
|
{ |
|
return (::mmioSeek(fHmfr,0,SEEK_CUR)==::mmioSeek(fHmfr,0,SEEK_END)); |
|
} |
|
|
|
UInt32 hsMMIOStream::Write(UInt32 bytes, const void* buffer) |
|
{ |
|
fPosition += bytes; |
|
return ::mmioWrite(fHmfr,(const char*)buffer,bytes); |
|
} |
|
|
|
void hsMMIOStream::Skip(UInt32 delta) |
|
{ |
|
fBytesRead += delta; |
|
fPosition += delta; |
|
(void)::mmioSeek(fHmfr, delta, SEEK_CUR); |
|
} |
|
|
|
void hsMMIOStream::Rewind() |
|
{ |
|
fBytesRead = 0; |
|
fPosition = 0; |
|
(void)::mmioSeek(fHmfr, 0, SEEK_SET); |
|
} |
|
|
|
void hsMMIOStream::FastFwd() |
|
{ |
|
fBytesRead = fPosition = ::mmioSeek(fHmfr, 0, SEEK_END); |
|
} |
|
|
|
void hsMMIOStream::Truncate() |
|
{ |
|
hsThrow("Truncate unimplemented by subclass of stream"); |
|
} |
|
#endif
|
|
|