1 files changed, 144 insertions, 0 deletions
diff --git a/game/client/cdll_bounded_cvars.cpp b/game/client/cdll_bounded_cvars.cpp
new file mode 100644
index 0000000..d1114a3
--- /dev/null
+++ b/game/client/cdll_bounded_cvars.cpp
@@ -0,0 +1,144 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#include "cbase.h"
+#include "cdll_bounded_cvars.h"
+#include "convar_serverbounded.h"
+#include "tier0/icommandline.h"
+
+
+bool g_bForceCLPredictOff = false;
+
+// ------------------------------------------------------------------------------------------ //
+// cl_predict.
+// ------------------------------------------------------------------------------------------ //
+
+class CBoundedCvar_Predict : public ConVar_ServerBounded
+{
+public:
+	CBoundedCvar_Predict() :
+	  ConVar_ServerBounded( "cl_predict", 
+		  "1.0", 
+#if defined(DOD_DLL) || defined(CSTRIKE_DLL)
+		  FCVAR_USERINFO | FCVAR_CHEAT, 
+#else
+		  FCVAR_USERINFO | FCVAR_NOT_CONNECTED, 
+#endif
+		  "Perform client side prediction." )
+	  {
+	  }
+
+	  virtual float GetFloat() const
+	  {
+		  // Used temporarily for CS kill cam.
+		  if ( g_bForceCLPredictOff )
+			  return 0;
+
+		  static const ConVar *pClientPredict = g_pCVar->FindVar( "sv_client_predict" );
+		  if ( pClientPredict && pClientPredict->GetInt() != -1 )
+		  {
+			  // Ok, the server wants to control this value.
+			  return pClientPredict->GetFloat();
+		  }
+		  else
+		  {
+			  return GetBaseFloatValue();
+		  }
+	  }
+};
+
+static CBoundedCvar_Predict cl_predict_var;
+ConVar_ServerBounded *cl_predict = &cl_predict_var;
+
+
+
+// ------------------------------------------------------------------------------------------ //
+// cl_interp_ratio.
+// ------------------------------------------------------------------------------------------ //
+
+class CBoundedCvar_InterpRatio : public ConVar_ServerBounded
+{
+public:
+	CBoundedCvar_InterpRatio() :
+	  ConVar_ServerBounded( "cl_interp_ratio", 
+		  "2.0", 
+		  FCVAR_USERINFO | FCVAR_NOT_CONNECTED | FCVAR_ARCHIVE, 
+		  "Sets the interpolation amount (final amount is cl_interp_ratio / cl_updaterate)." )
+	  {
+	  }
+
+	  virtual float GetFloat() const
+	  {
+		  static const ConVar *pMin = g_pCVar->FindVar( "sv_client_min_interp_ratio" );
+		  static const ConVar *pMax = g_pCVar->FindVar( "sv_client_max_interp_ratio" );
+		  if ( pMin && pMax && pMin->GetFloat() != -1 )
+		  {
+			  return clamp( GetBaseFloatValue(), pMin->GetFloat(), pMax->GetFloat() );
+		  }
+		  else
+		  {
+			  return GetBaseFloatValue();
+		  }
+	  }
+};
+
+static CBoundedCvar_InterpRatio cl_interp_ratio_var;
+ConVar_ServerBounded *cl_interp_ratio = &cl_interp_ratio_var;
+
+
+// ------------------------------------------------------------------------------------------ //
+// cl_interp
+// ------------------------------------------------------------------------------------------ //
+
+class CBoundedCvar_Interp : public ConVar_ServerBounded
+{
+public:
+	CBoundedCvar_Interp() :
+	  ConVar_ServerBounded( "cl_interp", 
+		  "0.1", 
+		  FCVAR_USERINFO | FCVAR_NOT_CONNECTED | FCVAR_ARCHIVE, 
+		  "Sets the interpolation amount (bounded on low side by server interp ratio settings).", true, 0.0f, true, 0.5f )
+	  {
+	  }
+
+	  virtual float GetFloat() const
+	  {
+		  static const ConVar *pUpdateRate = g_pCVar->FindVar( "cl_updaterate" );
+		  static const ConVar *pMin = g_pCVar->FindVar( "sv_client_min_interp_ratio" );
+		  if ( pUpdateRate && pMin && pMin->GetFloat() != -1 )
+		  {
+			  return MAX( GetBaseFloatValue(), pMin->GetFloat() / pUpdateRate->GetFloat() );
+		  }
+		  else
+		  {
+			  return GetBaseFloatValue();
+		  }
+	  }
+};
+
+static CBoundedCvar_Interp cl_interp_var;
+ConVar_ServerBounded *cl_interp = &cl_interp_var;
+
+float GetClientInterpAmount()
+{
+	static const ConVar *pUpdateRate = g_pCVar->FindVar( "cl_updaterate" );
+	if ( pUpdateRate )
+	{
+		// #define FIXME_INTERP_RATIO
+		return MAX( cl_interp->GetFloat(), cl_interp_ratio->GetFloat() / pUpdateRate->GetFloat() );
+	}
+	else
+	{
+		if ( !HushAsserts() )
+		{
+			AssertMsgOnce( false, "GetInterpolationAmount: can't get cl_updaterate cvar." );
+		}
+	
+		return 0.1;
+	}
+}
+