mirror of
https://github.com/alliedmodders/metamod-source.git
synced 2024-11-29 11:24:19 +01:00
813 lines
22 KiB
C++
813 lines
22 KiB
C++
//========= Copyright © 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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "basetypes.h"
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#include "convar.h"
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#include "vstdlib/strtools.h"
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#include "tier0/dbg.h"
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#include "tier0/memdbgon.h"
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ConCommandBase *ConCommandBase::s_pConCommandBases = NULL;
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IConCommandBaseAccessor *ConCommandBase::s_pAccessor = NULL;
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// ----------------------------------------------------------------------------- //
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// ConCommandBaseMgr.
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// ----------------------------------------------------------------------------- //
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void ConCommandBaseMgr::OneTimeInit( IConCommandBaseAccessor *pAccessor )
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{
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ConCommandBase *pCur, *pNext;
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ConCommandBase::s_pAccessor = pAccessor;
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pCur = ConCommandBase::s_pConCommandBases;
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while ( pCur )
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{
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pNext = pCur->m_pNext;
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pCur->Init();
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pCur = pNext;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Default constructor
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//-----------------------------------------------------------------------------
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ConCommandBase::ConCommandBase( void )
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{
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m_bRegistered = false;
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m_pszName = NULL;
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m_pszHelpString = NULL;
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m_nFlags = 0;
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m_pNext = NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose: The base console invoked command/cvar interface
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// Input : *pName - name of variable/command
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// *pHelpString - help text
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// flags - flags
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//-----------------------------------------------------------------------------
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ConCommandBase::ConCommandBase( char const *pName, char const *pHelpString /*=0*/, int flags /*= 0*/ )
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{
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Create( pName, pHelpString, flags );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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ConCommandBase::~ConCommandBase( void )
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool ConCommandBase::IsCommand( void ) const
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{
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// Assert( 0 ); This can't assert. . causes a recursive assert in Sys_Printf, etc.
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *pName -
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// callback -
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// *pHelpString -
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// flags -
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//-----------------------------------------------------------------------------
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void ConCommandBase::Create( char const *pName, char const *pHelpString /*= 0*/, int flags /*= 0*/ )
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{
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static char *empty_string = "";
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m_bRegistered = false;
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// Name should be static data
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Assert( pName );
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m_pszName = pName;
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m_pszHelpString = pHelpString ? pHelpString : empty_string;
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m_nFlags = flags;
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if ( !( m_nFlags & FCVAR_UNREGISTERED ) )
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{
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m_pNext = s_pConCommandBases;
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s_pConCommandBases = this;
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}
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else
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{
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// It's unregistered
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m_pNext = NULL;
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}
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// If s_pAccessor is already set (this ConVar is not a global variable),
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// register it.
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if ( s_pAccessor )
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{
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Init();
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose: Used internally by OneTimeInit to initialize.
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//-----------------------------------------------------------------------------
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void ConCommandBase::Init()
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{
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if ( !s_pAccessor )
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return;
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if ( m_bRegistered )
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return;
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s_pAccessor->RegisterConCommandBase( this );
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m_bRegistered = true;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *name -
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// Output : ConCommandBase
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//-----------------------------------------------------------------------------
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ConCommandBase const *ConCommandBase::FindCommand( char const *name )
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{
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ConCommandBase const *cmd = GetCommands();
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for ( ; cmd; cmd = cmd->GetNext() )
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{
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if ( !stricmp( name, cmd->GetName() ) )
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return cmd;
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}
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return NULL;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : ConCommandBase
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//-----------------------------------------------------------------------------
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const ConCommandBase *ConCommandBase::GetCommands( void )
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{
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return s_pConCommandBases;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *var -
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// Output : static
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//-----------------------------------------------------------------------------
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void ConCommandBase::AddToList( ConCommandBase *var )
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{
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// This routine is only valid on root ConCommandBases
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var->m_pNext = s_pConCommandBases;
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s_pConCommandBases = var;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Return name of the command/var
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// Output : char const
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//-----------------------------------------------------------------------------
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char const *ConCommandBase::GetName( void ) const
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{
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return m_pszName;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : flag -
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//-----------------------------------------------------------------------------
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void ConCommandBase::RemoveFlaggedCommands( int flag )
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{
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ConCommandBase *pNewList;
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ConCommandBase *pCommand, *pNext;
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pNewList = NULL;
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pCommand = s_pConCommandBases;
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while ( pCommand )
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{
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pNext = pCommand->m_pNext;
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if ( !( pCommand->m_nFlags & flag ) )
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{
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pCommand->m_pNext = pNewList;
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pNewList = pCommand;
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}
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else
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{
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// Unlink
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pCommand->m_pNext = NULL;
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}
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pCommand = pNext;
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}
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s_pConCommandBases = pNewList;
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}
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void ConCommandBase::RevertFlaggedCvars( int flag )
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{
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for (const ConCommandBase *var= GetCommands() ; var ; var=var->GetNext())
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{
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if ( var->IsCommand() )
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continue;
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ConVar *cvar = ( ConVar * )var;
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if ( !cvar->IsBitSet( flag ) )
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continue;
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// It's == to the default value, don't count
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if ( !Q_strcasecmp( cvar->GetDefault(), cvar->GetString() ) )
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continue;
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cvar->Revert();
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// DevMsg( "%s = \"%s\" (reverted)\n", cvar->GetName(), cvar->GetString() );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : flag -
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool ConCommandBase::IsBitSet( int flag ) const
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{
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return ( flag & m_nFlags ) ? true : false;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : flags -
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//-----------------------------------------------------------------------------
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void ConCommandBase::AddFlags( int flags )
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{
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m_nFlags |= flags;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : const ConCommandBase
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//-----------------------------------------------------------------------------
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const ConCommandBase *ConCommandBase::GetNext( void ) const
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{
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return m_pNext;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *next -
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//-----------------------------------------------------------------------------
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void ConCommandBase::SetNext( ConCommandBase *next )
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{
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m_pNext = next;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Copies string using local new/delete operators
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// Input : *from -
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// Output : char
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//-----------------------------------------------------------------------------
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char *ConCommandBase::CopyString( char const *from )
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{
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int len;
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char *to;
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len = strlen( from );
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if ( len <= 0 )
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{
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to = new char[1];
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to[0] = 0;
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}
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else
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{
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to = new char[len+1];
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Q_strncpy( to, from, len+1 );
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}
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return to;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : char const
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//-----------------------------------------------------------------------------
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char const *ConCommandBase::GetHelpText( void ) const
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{
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return m_pszHelpString;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Has this cvar been registered
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool ConCommandBase::IsRegistered( void ) const
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{
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return m_bRegistered;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Constructs a console command
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// Input : *pName - name of command
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// callback - function to call upon execution
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// *pHelpString - help text for command
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// flags - command flags, if any
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//-----------------------------------------------------------------------------
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ConCommand::ConCommand( char const *pName, FnCommandCallback callback, char const *pHelpString /*= 0*/, int flags /*= 0*/, FnCommandCompletionCallback completionFunc /*= 0*/ )
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{
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Create( pName, callback, pHelpString, flags, completionFunc );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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ConCommand::~ConCommand( void )
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{
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool ConCommand::IsCommand( void ) const
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{
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return true;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Invoke the function if there is one
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//-----------------------------------------------------------------------------
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void ConCommand::Dispatch( void )
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{
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if ( m_fnCommandCallback )
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{
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( *m_fnCommandCallback )();
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}
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else
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{
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// Command without callback!!!
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Assert( 0 );
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *partial -
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// context -
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// longest -
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// maxcommands -
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// **commands -
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// Output : int
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//-----------------------------------------------------------------------------
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int DefaultCompletionFunc( char const *partial, char commands[ COMMAND_COMPLETION_MAXITEMS ][ COMMAND_COMPLETION_ITEM_LENGTH ] )
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{
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return 0;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Create the named command
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// Input : *pName -
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// callback -
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// *pHelpString -
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// flags -
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//-----------------------------------------------------------------------------
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void ConCommand::Create( char const *pName, FnCommandCallback callback, char const *pHelpString /*= 0*/, int flags /*= 0*/, FnCommandCompletionCallback completionFunc /*=0*/ )
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{
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// Set the callback
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m_fnCommandCallback = callback;
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m_fnCompletionCallback = completionFunc ? completionFunc : DefaultCompletionFunc;
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m_bHasCompletionCallback = completionFunc != 0 ? true : false;
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// Setup the rest
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BaseClass::Create( pName, pHelpString, flags );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *partial -
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// context -
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// longest -
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// maxcommands -
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// **commands -
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//-----------------------------------------------------------------------------
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int ConCommand::AutoCompleteSuggest( char const *partial, char commands[ COMMAND_COMPLETION_MAXITEMS ][ COMMAND_COMPLETION_ITEM_LENGTH ] )
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{
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Assert( m_fnCompletionCallback );
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if ( !m_fnCompletionCallback )
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return 0;
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return ( m_fnCompletionCallback )( partial, commands );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool ConCommand::CanAutoComplete( void )
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{
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return m_bHasCompletionCallback;
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}
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// ----------------------------------------------------------------------------- //
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// ConVar.
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// ----------------------------------------------------------------------------- //
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ConVar::ConVar( char const *pName, char const *pDefaultValue, int flags /* = 0 */ )
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{
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Create( pName, pDefaultValue, flags );
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}
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// ----------------------------------------------------------------------------- //
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// ConVar.
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// ----------------------------------------------------------------------------- //
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ConVar::ConVar( char const *pName, char const *pDefaultValue, int flags, char const *pHelpString )
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{
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Create( pName, pDefaultValue, flags, pHelpString );
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}
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// ----------------------------------------------------------------------------- //
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// ConVar.
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// ----------------------------------------------------------------------------- //
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ConVar::ConVar( char const *pName, char const *pDefaultValue, int flags, char const *pHelpString, bool bMin, float fMin, bool bMax, float fMax )
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{
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Create( pName, pDefaultValue, flags, pHelpString, bMin, fMin, bMax, fMax );
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}
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// ----------------------------------------------------------------------------- //
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// ConVar.
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// ----------------------------------------------------------------------------- //
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ConVar::ConVar( char const *pName, char const *pDefaultValue, int flags, char const *pHelpString, FnChangeCallback callback )
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{
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Create( pName, pDefaultValue, flags, pHelpString, false, 0.0, false, 0.0, callback );
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}
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// ----------------------------------------------------------------------------- //
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// ConVar.
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// ----------------------------------------------------------------------------- //
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ConVar::ConVar( char const *pName, char const *pDefaultValue, int flags, char const *pHelpString, bool bMin, float fMin, bool bMax, float fMax, FnChangeCallback callback )
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{
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Create( pName, pDefaultValue, flags, pHelpString, bMin, fMin, bMax, fMax, callback );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Free dynamic memory
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//-----------------------------------------------------------------------------
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ConVar::~ConVar( void )
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{
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if ( m_pszString )
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{
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delete[] m_pszString;
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m_pszString = NULL;
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}
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}
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//-----------------------------------------------------------------------------
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// Install a change callback (there shouldn't already be one....)
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//-----------------------------------------------------------------------------
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void ConVar::InstallChangeCallback( FnChangeCallback callback )
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{
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Assert( !m_fnChangeCallback || !callback );
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m_fnChangeCallback = callback;
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if (m_fnChangeCallback)
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{
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// Call it immediately to set the initial value...
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m_fnChangeCallback( this, m_pszString );
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}
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}
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bool ConVar::IsBitSet( int flag ) const
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{
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return ( flag & m_pParent->m_nFlags ) ? true : false;
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}
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char const *ConVar::GetHelpText( void ) const
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{
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return m_pParent->m_pszHelpString;
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}
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void ConVar::AddFlags( int flags )
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{
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m_pParent->m_nFlags |= flags;
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}
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bool ConVar::IsRegistered( void ) const
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{
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return m_pParent->m_bRegistered;
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}
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char const *ConVar::GetName( void ) const
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{
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return m_pParent->m_pszName;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : Returns true on success, false on failure.
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//-----------------------------------------------------------------------------
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bool ConVar::IsCommand( void ) const
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{
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return false;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input :
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//-----------------------------------------------------------------------------
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void ConVar::Init()
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{
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BaseClass::Init();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *value -
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//-----------------------------------------------------------------------------
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void ConVar::InternalSetValue( char const *value )
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{
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float fNewValue;
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char tempVal[ 32 ];
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char *val;
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Assert(m_pParent == this); // Only valid for root convars.
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val = (char *)value;
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fNewValue = ( float )atof( value );
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if ( ClampValue( fNewValue ) )
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{
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Q_snprintf( tempVal,sizeof(tempVal), "%f", fNewValue );
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val = tempVal;
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}
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// Redetermine value
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m_fValue = fNewValue;
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m_nValue = ( int )( m_fValue );
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if ( !(m_nFlags & FCVAR_NEVER_AS_STRING) )
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ChangeStringValue( val );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *tempVal -
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//-----------------------------------------------------------------------------
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void ConVar::ChangeStringValue( char const *tempVal )
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{
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Assert( !( m_nFlags & FCVAR_NEVER_AS_STRING ) );
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char* pszOldValue = (char*)stackalloc( m_StringLength );
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if ( m_fnChangeCallback )
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{
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memcpy( pszOldValue, m_pszString, m_StringLength );
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}
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int len = Q_strlen(tempVal) + 1;
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if ( len > m_StringLength)
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{
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if (m_pszString)
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delete[] m_pszString;
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m_pszString = new char[len];
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m_StringLength = len;
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}
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memcpy( m_pszString, tempVal, len );
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// Invoke any necessary callback function
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if ( m_fnChangeCallback )
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{
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m_fnChangeCallback( this, pszOldValue );
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}
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stackfree( pszOldValue );
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}
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//-----------------------------------------------------------------------------
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// Purpose: Check whether to clamp and then perform clamp
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// Input : value -
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// Output : Returns true if value changed
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//-----------------------------------------------------------------------------
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bool ConVar::ClampValue( float& value )
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{
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if ( m_bHasMin && ( value < m_fMinVal ) )
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{
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value = m_fMinVal;
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return true;
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}
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if ( m_bHasMax && ( value > m_fMaxVal ) )
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{
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value = m_fMaxVal;
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return true;
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}
|
|
|
|
return false;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *value -
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::InternalSetFloatValue( float fNewValue )
|
|
{
|
|
if ( fNewValue == m_fValue )
|
|
return;
|
|
|
|
Assert( m_pParent == this ); // Only valid for root convars.
|
|
|
|
// Check bounds
|
|
ClampValue( fNewValue );
|
|
|
|
// Redetermine value
|
|
m_fValue = fNewValue;
|
|
m_nValue = ( int )m_fValue;
|
|
|
|
if ( !( m_nFlags & FCVAR_NEVER_AS_STRING ) )
|
|
{
|
|
char tempVal[ 32 ];
|
|
Q_snprintf( tempVal, sizeof( tempVal), "%f", m_fValue );
|
|
ChangeStringValue( tempVal );
|
|
}
|
|
else
|
|
{
|
|
Assert( !m_fnChangeCallback );
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *value -
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::InternalSetIntValue( int nValue )
|
|
{
|
|
if ( nValue == m_nValue )
|
|
return;
|
|
|
|
Assert( m_pParent == this ); // Only valid for root convars.
|
|
|
|
float fValue = (float)nValue;
|
|
if ( ClampValue( fValue ) )
|
|
{
|
|
nValue = ( int )( fValue );
|
|
}
|
|
|
|
// Redetermine value
|
|
m_fValue = fValue;
|
|
m_nValue = nValue;
|
|
|
|
if ( !( m_nFlags & FCVAR_NEVER_AS_STRING ) )
|
|
{
|
|
char tempVal[ 32 ];
|
|
Q_snprintf( tempVal, sizeof( tempVal ), "%d", m_nValue );
|
|
ChangeStringValue( tempVal );
|
|
}
|
|
else
|
|
{
|
|
Assert( !m_fnChangeCallback );
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Private creation
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::Create( char const *pName, char const *pDefaultValue, int flags /*= 0*/,
|
|
char const *pHelpString /*= NULL*/, bool bMin /*= false*/, float fMin /*= 0.0*/,
|
|
bool bMax /*= false*/, float fMax /*= false*/, FnChangeCallback callback /*= NULL*/ )
|
|
{
|
|
static char *empty_string = "";
|
|
|
|
m_pParent = this;
|
|
|
|
// Name should be static data
|
|
m_pszDefaultValue = pDefaultValue ? pDefaultValue : empty_string;
|
|
Assert( pDefaultValue );
|
|
|
|
m_StringLength = strlen( m_pszDefaultValue ) + 1;
|
|
m_pszString = new char[m_StringLength];
|
|
memcpy( m_pszString, m_pszDefaultValue, m_StringLength );
|
|
|
|
m_bHasMin = bMin;
|
|
m_fMinVal = fMin;
|
|
m_bHasMax = bMax;
|
|
m_fMaxVal = fMax;
|
|
|
|
m_fnChangeCallback = callback;
|
|
|
|
m_fValue = ( float )atof( m_pszString );
|
|
|
|
// Bounds Check, should never happen, if it does, no big deal
|
|
if ( m_bHasMin && ( m_fValue < m_fMinVal ) )
|
|
{
|
|
Assert( 0 );
|
|
}
|
|
|
|
if ( m_bHasMax && ( m_fValue > m_fMaxVal ) )
|
|
{
|
|
Assert( 0 );
|
|
}
|
|
|
|
m_nValue = ( int )m_fValue;
|
|
|
|
BaseClass::Create( pName, pHelpString, flags );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : *value -
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::SetValue(char const *value)
|
|
{
|
|
ConVar *var = ( ConVar * )m_pParent;
|
|
var->InternalSetValue( value );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : value -
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::SetValue( float value )
|
|
{
|
|
ConVar *var = ( ConVar * )m_pParent;
|
|
var->InternalSetFloatValue( value );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : value -
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::SetValue( int value )
|
|
{
|
|
ConVar *var = ( ConVar * )m_pParent;
|
|
var->InternalSetIntValue( value );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose: Reset to default value
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::Revert( void )
|
|
{
|
|
// Force default value again
|
|
ConVar *var = ( ConVar * )m_pParent;
|
|
var->SetValue( var->m_pszDefaultValue );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
//-----------------------------------------------------------------------------
|
|
void ConVar::RevertAll( void )
|
|
{
|
|
ConCommandBase *p = s_pConCommandBases;
|
|
while ( p )
|
|
{
|
|
if ( !p->IsCommand() )
|
|
{
|
|
ConVar *var = ( ConVar * )p;
|
|
var->Revert();
|
|
}
|
|
p = p->m_pNext;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : minVal -
|
|
// Output : true if there is a min set
|
|
//-----------------------------------------------------------------------------
|
|
bool ConVar::GetMin( float& minVal ) const
|
|
{
|
|
minVal = m_pParent->m_fMinVal;
|
|
return m_pParent->m_bHasMin;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Input : maxVal -
|
|
//-----------------------------------------------------------------------------
|
|
bool ConVar::GetMax( float& maxVal ) const
|
|
{
|
|
maxVal = m_pParent->m_fMaxVal;
|
|
return m_pParent->m_bHasMax;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Purpose:
|
|
// Output : char const
|
|
//-----------------------------------------------------------------------------
|
|
char const *ConVar::GetDefault( void ) const
|
|
{
|
|
return m_pParent->m_pszDefaultValue;
|
|
}
|
|
|