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a2468bb184
Must be normalized, bad values (NAN or FLT_MAX) will crash the game. There is more that needs to be clamped, but before we can do this CUserCmd has to be reversed more.
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
//====== Copyright <20> 1996-2005, Valve Corporation, All rights reserved. =======//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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#include "usercmd.h"
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//-----------------------------------------------------------------------------
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// Purpose: Read in a delta compressed usercommand.
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// Input : *buf -
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// *move -
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// *from -
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// Output : random seed
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//-----------------------------------------------------------------------------
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int ReadUserCmd(bf_read* buf, CUserCmd* move, CUserCmd* from)
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{
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// Normalize angles, bogus values will crash the game..
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from->viewangles.Normalize();
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// More clamps coming soon...
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const int seed = v_ReadUserCmd(buf, move, from);
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// On the client, the frame time must be within 'usercmd_frametime_min'
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// and 'usercmd_frametime_max'. Testing revealed that speed hacking could
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// be achieved by sending bogus frametimes. Clamp the networked frame time
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// to the exact values that the client should be using to make sure it
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// couldn't be circumvented by busting out the client side clamps.
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if (host_timescale->GetFloat() == 1.0f)
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move->frametime = clamp(move->frametime,
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usercmd_frametime_min->GetFloat(),
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usercmd_frametime_max->GetFloat());
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return seed;
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}
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//-----------------------------------------------------------------------------
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void VUserCmd::Attach() const
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{
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DetourAttach(&v_ReadUserCmd, &ReadUserCmd);
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}
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void VUserCmd::Detach() const
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{
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DetourDetach(&v_ReadUserCmd, &ReadUserCmd);
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}
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