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1 files changed, 140 insertions, 0 deletions

diff --git a/engine/cl_bounded_cvars.cpp b/engine/cl_bounded_cvars.cpp
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+++ b/engine/cl_bounded_cvars.cpp
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:  baseclientstate.cpp: implementation of the CBaseClientState class.
+//
+//=============================================================================//
+
+#include "client.h"
+#include "convar.h"
+#include "convar_serverbounded.h"
+#include "sys.h"
+#include "net.h"
+
+
+// These are the server cvars that control our cvars.
+extern int ClampClientRate( int nRate );
+
+extern ConVar  sv_mincmdrate;
+extern ConVar  sv_maxcmdrate;
+extern ConVar  sv_minupdaterate;
+extern ConVar  sv_maxupdaterate;
+extern ConVar  sv_client_cmdrate_difference;
+
+extern ConVar  sv_client_interp;
+extern ConVar  sv_client_predict;
+
+
+// ------------------------------------------------------------------------------------------ //
+// rate
+// ------------------------------------------------------------------------------------------ //
+
+class CBoundedCvar_Rate : public ConVar_ServerBounded
+{
+public:
+	CBoundedCvar_Rate() :
+	  ConVar_ServerBounded( 
+		  "rate",
+#if defined( _X360 )
+		  "6000",
+#else
+		  V_STRINGIFY(DEFAULT_RATE),
+#endif
+		  FCVAR_ARCHIVE | FCVAR_USERINFO, 
+		  "Max bytes/sec the host can receive data" )
+	  {
+	  }
+
+	virtual float GetFloat() const
+	{
+		if ( cl.m_nSignonState >= SIGNONSTATE_FULL )
+		{
+			int nRate = (int)GetBaseFloatValue();
+			return (float)ClampClientRate( nRate );
+		}
+		else
+		{
+			return GetBaseFloatValue();
+		}
+	}
+};
+
+static CBoundedCvar_Rate cl_rate_var;
+ConVar_ServerBounded *cl_rate = &cl_rate_var;
+
+
+// ------------------------------------------------------------------------------------------ //
+// cl_cmdrate
+// ------------------------------------------------------------------------------------------ //
+
+class CBoundedCvar_CmdRate : public ConVar_ServerBounded
+{
+public:
+	CBoundedCvar_CmdRate() :
+	  ConVar_ServerBounded( 
+		  "cl_cmdrate", 
+		  "30", 
+		  FCVAR_ARCHIVE | FCVAR_USERINFO, 
+		  "Max number of command packets sent to server per second", true, MIN_CMD_RATE, true, MAX_CMD_RATE )
+	{
+	}
+
+	virtual float GetFloat() const
+	{
+		float flCmdRate = GetBaseFloatValue();
+
+		if ( sv_mincmdrate.GetInt() != 0 && cl.m_nSignonState >= SIGNONSTATE_FULL )
+		{
+			// First, we make it stay within range of cl_updaterate.
+			float diff = flCmdRate - cl_updaterate->GetFloat();
+			if ( fabs( diff ) > sv_client_cmdrate_difference.GetFloat() )
+			{
+				if ( diff > 0 )
+					flCmdRate = cl_updaterate->GetFloat() + sv_client_cmdrate_difference.GetFloat();
+				else
+					flCmdRate = cl_updaterate->GetFloat() - sv_client_cmdrate_difference.GetFloat();
+			}
+
+			// Then we clamp to the min/max values the server has set.
+			return clamp( flCmdRate, sv_mincmdrate.GetFloat(), sv_maxcmdrate.GetFloat() );
+		}
+		else
+		{
+			return flCmdRate;
+		}
+	}
+};
+
+static CBoundedCvar_CmdRate cl_cmdrate_var;
+ConVar_ServerBounded *cl_cmdrate = &cl_cmdrate_var;
+
+
+
+// ------------------------------------------------------------------------------------------ //
+// cl_updaterate
+// ------------------------------------------------------------------------------------------ //
+
+class CBoundedCvar_UpdateRate : public ConVar_ServerBounded
+{
+public:
+	CBoundedCvar_UpdateRate() :
+	  ConVar_ServerBounded( 
+		  "cl_updaterate",
+		  "20", 
+		  FCVAR_ARCHIVE | FCVAR_USERINFO | FCVAR_NOT_CONNECTED, 
+		  "Number of packets per second of updates you are requesting from the server" )
+	{
+	}
+
+	virtual float GetFloat() const
+	{
+		// Clamp to the min/max values the server has set.
+		//
+		// This cvar only takes effect on the server anyway, and this is done there too,
+		// but we have this here so they'll get the **note thing telling them the value 
+		// isn't functioning the way they set it.		
+		return clamp( GetBaseFloatValue(), sv_minupdaterate.GetFloat(), sv_maxupdaterate.GetFloat() );
+	}
+};
+
+static CBoundedCvar_UpdateRate cl_updaterate_var;
+ConVar_ServerBounded *cl_updaterate = &cl_updaterate_var;