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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include "API/Core/System/cl_assert.h"
#include "API/Network/NetSession/inputsource_netpacket.h"
#include "API/Network/NetSession/netpacket.h"
#include "inputsource_netpacket_generic.h"
#include "netpacket_generic.h"
#include <cstring>
/////////////////////////////////////////////////////////////////////////////
// CL_InputSource_NetPacket construction:
CL_InputSource_NetPacket::CL_InputSource_NetPacket(const CL_NetPacket &netpacket)
: impl(new CL_InputSource_NetPacket_Generic(netpacket.impl, true))
{
}
CL_InputSource_NetPacket::~CL_InputSource_NetPacket()
{
delete impl;
}
/////////////////////////////////////////////////////////////////////////////
// CL_InputSource_NetPacket attributes:
int CL_InputSource_NetPacket::tell() const
{
return impl->position;
}
int CL_InputSource_NetPacket::size() const
{
return impl->netpacket->size;
}
/////////////////////////////////////////////////////////////////////////////
// CL_InputSource_NetPacket operations:
#define cl_min(a, b) ((a < b) ? a : b)
int CL_InputSource_NetPacket::read(void *data, int size)
{
int received = cl_min(size, impl->netpacket->size - impl->position);
memcpy(data, impl->netpacket->data+impl->position, received);
impl->position += received;
return received;
}
void CL_InputSource_NetPacket::open()
{
}
void CL_InputSource_NetPacket::close()
{
}
CL_InputSource *CL_InputSource_NetPacket::clone() const
{
return new CL_InputSource_NetPacket(*this);
}
void CL_InputSource_NetPacket::seek(int pos, SeekEnum seek_type)
{
switch (seek_type)
{
case seek_set:
impl->position = pos;
break;
case seek_cur:
impl->position += pos;
break;
case seek_end:
impl->position = size()+pos;
break;
}
}
void CL_InputSource_NetPacket::push_position()
{
cl_assert(false); // not implemented.
}
void CL_InputSource_NetPacket::pop_position()
{
cl_assert(false); // not implemented.
}
/////////////////////////////////////////////////////////////////////////////
// CL_InputSource_NetPacket implementation:
CL_InputSource_NetPacket::CL_InputSource_NetPacket()
: impl(new CL_InputSource_NetPacket_Generic(0, false))
{
}
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