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54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Helper class for cvars that have restrictions on their value.
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//
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//=============================================================================//
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#ifndef CONVAR_SERVERBOUNDED_H
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#define CONVAR_SERVERBOUNDED_H
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#ifdef _WIN32
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#pragma once
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#endif
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// This class is used to virtualize a ConVar's value, so the client can restrict its
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// value while connected to a server. When using this across modules, it's important
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// to dynamic_cast it to a ConVar_ServerBounded or you won't get the restricted value.
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//
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// NOTE: FCVAR_USERINFO vars are not virtualized before they are sent to the server
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// (we have no way to detect if the virtualized value would change), so
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// if you want to use a bounded cvar's value on the server, you must rebound it
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// the same way the client does.
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class ConVar_ServerBounded : public ConVar
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{
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public:
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ConVar_ServerBounded( char const *pName, char const *pDefaultValue, int flags, char const *pHelpString )
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: ConVar( pName, pDefaultValue, flags, pHelpString )
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{
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}
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ConVar_ServerBounded( char const *pName, char const *pDefaultValue, int flags, char const *pHelpString, FnChangeCallback_t callback )
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: ConVar( pName, pDefaultValue, flags, pHelpString, callback )
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{
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}
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ConVar_ServerBounded( char const *pName, char const *pDefaultValue, int flags, char const *pHelpString, bool bMin, float fMin, bool bMax, float fMax )
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: ConVar( pName, pDefaultValue, flags, pHelpString, bMin, fMin, bMax, fMax ) {}
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// You must implement GetFloat.
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virtual float GetFloat() const = 0;
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// You can optionally implement these.
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virtual int GetInt() const { return (int)GetFloat(); }
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virtual bool GetBool() const { return ( GetInt() != 0 ); }
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// Use this to get the underlying cvar's value.
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float GetBaseFloatValue() const
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{
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return ConVar::GetFloat();
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}
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};
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#endif // CONVAR_SERVERBOUNDED_H
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