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Initial Mapbase commit (squashed from mapbase-beta)
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Blixibon
293
sp/src/game/server/mapbase/SystemConvarMod.cpp
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293
sp/src/game/server/mapbase/SystemConvarMod.cpp
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Mostly just Mapbase's convar mod code.
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "saverestore_utlvector.h"
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#include "SystemConvarMod.h"
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BEGIN_SIMPLE_DATADESC( modifiedconvars_t )
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DEFINE_ARRAY( pszConvar, FIELD_CHARACTER, MAX_MODIFIED_CONVAR_STRING ),
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DEFINE_ARRAY( pszCurrentValue, FIELD_CHARACTER, MAX_MODIFIED_CONVAR_STRING ),
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DEFINE_ARRAY( pszOrgValue, FIELD_CHARACTER, MAX_MODIFIED_CONVAR_STRING ),
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END_DATADESC()
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// ======================================================================
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//
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// Everything below here is for the Mapbase convar mod system.
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// ...which is based off of the Commentary convar mod system.
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//
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// ======================================================================
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#define MAX_CONVARMOD_STRING_SIZE 512
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CHandle<CMapbaseCVarModEntity> m_hConvarsChanging;
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CMapbaseCVarModEntity *ChangingCVars( void ) { return m_hConvarsChanging.Get(); }
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void SetChangingCVars( CMapbaseCVarModEntity *hEnt ) { m_hConvarsChanging = hEnt; }
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CUtlVector< CHandle<CMapbaseCVarModEntity> > m_ModEntities;
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bool m_bModActive;
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void ConvarChanged( IConVar *pConVar, const char *pOldString, float flOldValue )
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{
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ConVarRef var( pConVar );
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CMapbaseCVarModEntity *modent = ChangingCVars();
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for ( int i = 0; i < m_ModEntities.Count(); i++ )
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{
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if (!m_ModEntities[i])
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{
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Warning("NULL mod entity at %i\n", i);
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continue;
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}
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if (m_ModEntities[i].Get()->NewCVar(&var, pOldString, modent))
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break;
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CV_GlobalChange_Mapbase( IConVar *var, const char *pOldString, float flOldValue )
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{
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if ( !ChangingCVars() )
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{
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// A convar has changed, but not due to Mapbase systems. Ignore it.
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return;
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}
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ConvarChanged( var, pOldString, flOldValue );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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void CC_MapbaseNotChangingCVars( void )
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{
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SetChangingCVars( false );
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}
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static ConCommand mapbase_cvarsnotchanging("mapbase_cvarsnotchanging", CC_MapbaseNotChangingCVars, "An internal command used for ConVar modification.", FCVAR_HIDDEN);
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// ------------------------------------------------------------------------
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void CV_InitMod()
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{
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if (!m_bModActive)
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{
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cvar->InstallGlobalChangeCallback( CV_GlobalChange_Mapbase );
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m_bModActive = true;
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}
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}
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// ------------------------------------------------------------------------
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void CVEnt_Precache(CMapbaseCVarModEntity *modent)
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{
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// Maybe add some security/notification stuff here later
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CV_InitMod();
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}
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void CVEnt_Activate(CMapbaseCVarModEntity *modent, CBaseEntity *pActivator = UTIL_GetLocalPlayer())
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{
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edict_t *edict = pActivator ? pActivator->edict() : NULL;
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if (!edict)
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return;
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SetChangingCVars( modent );
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if (m_ModEntities.Find(modent) == m_ModEntities.InvalidIndex())
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m_ModEntities.AddToTail(modent);
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const char *pszCommands = STRING( modent->m_target );
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if ( Q_strnchr(pszCommands, '^', MAX_CONVARMOD_STRING_SIZE) )
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{
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// Just like the commentary system, we convert ^s to "s here.
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char szTmp[MAX_CONVARMOD_STRING_SIZE];
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Q_strncpy( szTmp, pszCommands, MAX_CONVARMOD_STRING_SIZE );
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int len = Q_strlen( szTmp );
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for ( int i = 0; i < len; i++ )
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{
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if ( szTmp[i] == '^' )
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{
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szTmp[i] = '"';
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}
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}
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pszCommands = szTmp;
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}
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engine->ClientCommand( edict, pszCommands );
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engine->ClientCommand( edict, "mapbase_cvarsnotchanging\n" );
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}
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void CVEnt_Deactivate(CMapbaseCVarModEntity *modent)
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{
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// Remove our global convar callback
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cvar->RemoveGlobalChangeCallback( CV_GlobalChange_Mapbase );
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// Reset any convars that have been changed by the commentary
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for ( int i = 0; i < modent->m_ModifiedConvars.Count(); i++ )
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{
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ConVar *pConVar = (ConVar *)cvar->FindVar( modent->m_ModifiedConvars[i].pszConvar );
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if ( pConVar )
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{
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pConVar->SetValue( modent->m_ModifiedConvars[i].pszOrgValue );
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}
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}
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if (m_bModActive)
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{
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m_ModEntities.FindAndRemove(modent);
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if (m_ModEntities.Count() == 0)
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{
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// No more mod entities
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m_bModActive = false;
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}
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else
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{
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// We're done and we're still active, install our callback again
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cvar->InstallGlobalChangeCallback( CV_GlobalChange_Mapbase );
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}
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}
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}
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void CVEnt_Restore(CMapbaseCVarModEntity *modent)
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{
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m_ModEntities.AddToTail(modent);
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}
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// ------------------------------------------------------------------------
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LINK_ENTITY_TO_CLASS( game_convar_mod, CMapbaseCVarModEntity );
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// This classname should be phased out after beta
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LINK_ENTITY_TO_CLASS( mapbase_convar_mod, CMapbaseCVarModEntity );
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BEGIN_DATADESC( CMapbaseCVarModEntity )
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DEFINE_UTLVECTOR( m_ModifiedConvars, FIELD_EMBEDDED ),
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// Inputs
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DEFINE_INPUTFUNC( FIELD_VOID, "Activate", InputActivate ),
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DEFINE_INPUTFUNC( FIELD_VOID, "Deactivate", InputDeactivate ),
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END_DATADESC()
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void CMapbaseCVarModEntity::UpdateOnRemove()
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{
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BaseClass::UpdateOnRemove();
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CVEnt_Deactivate(this);
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}
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void CMapbaseCVarModEntity::Precache( void )
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{
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BaseClass::Precache();
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CVEnt_Precache(this);
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}
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void CMapbaseCVarModEntity::Spawn( void )
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{
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BaseClass::Spawn();
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if (m_target == NULL_STRING)
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{
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Warning("WARNING: %s has no cvars specified! Removing...\n", GetDebugName());
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UTIL_Remove(this);
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return;
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}
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Precache();
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if (HasSpawnFlags(SF_CVARMOD_START_ACTIVATED))
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{
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CVEnt_Activate(this);
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}
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}
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void CMapbaseCVarModEntity::OnRestore( void )
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{
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BaseClass::OnRestore();
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// Set any convars that have already been changed by the mapper before the save
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if (m_ModifiedConvars.Count() > 0)
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{
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for ( int i = 0; i < m_ModifiedConvars.Count(); i++ )
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{
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ConVar *pConVar = (ConVar *)cvar->FindVar( m_ModifiedConvars[i].pszConvar );
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if ( pConVar )
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{
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//Msg(" %s Restoring Convar %s: value %s (org %s)\n", GetDebugName(), m_ModifiedConvars[i].pszConvar, m_ModifiedConvars[i].pszCurrentValue, m_ModifiedConvars[i].pszOrgValue );
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pConVar->SetValue( m_ModifiedConvars[i].pszCurrentValue );
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}
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}
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CVEnt_Restore(this);
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}
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}
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void CMapbaseCVarModEntity::InputActivate(inputdata_t &inputdata)
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{
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CVEnt_Activate(this);
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}
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void CMapbaseCVarModEntity::InputDeactivate(inputdata_t &inputdata)
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{
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CVEnt_Deactivate(this);
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}
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bool CMapbaseCVarModEntity::NewCVar( ConVarRef *var, const char *pOldString, CBaseEntity *modent )
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{
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for (int i = 0; i < m_ModifiedConvars.Count(); i++)
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{
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// If we find it, just update the current value
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modifiedconvars_t modvar = m_ModifiedConvars[i];
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if ( !Q_strncmp( var->GetName(), modvar.pszConvar, MAX_MODIFIED_CONVAR_STRING ) )
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{
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if (modent == this)
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{
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Q_strncpy( modvar.pszCurrentValue, var->GetString(), MAX_MODIFIED_CONVAR_STRING );
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//Msg(" %s Updating Convar %s: value %s (org %s)\n", GetDebugName(), modvar.pszConvar, modvar.pszCurrentValue, modvar.pszOrgValue );
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return true;
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}
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else
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{
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// A different entity is using this CVar now, remove ours
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m_ModifiedConvars.Remove(i);
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//Msg(" %s Removing Convar %s: value %s (org %s)\n", GetDebugName(), modvar.pszConvar, modvar.pszCurrentValue, modvar.pszOrgValue );
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return false;
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}
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}
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}
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// Did I do that?
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if (modent == this)
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{
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// Add the CVar to our list.
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modifiedconvars_t newConvar;
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Q_strncpy( newConvar.pszConvar, var->GetName(), MAX_MODIFIED_CONVAR_STRING );
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Q_strncpy( newConvar.pszCurrentValue, var->GetString(), MAX_MODIFIED_CONVAR_STRING );
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Q_strncpy( newConvar.pszOrgValue, pOldString, MAX_MODIFIED_CONVAR_STRING );
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m_ModifiedConvars.AddToTail( newConvar );
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/*
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Msg(" %s changed '%s' to '%s' (was '%s')\n", GetDebugName(), var->GetName(), var->GetString(), pOldString );
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Msg(" Convars stored: %d\n", m_ModifiedConvars.Count() );
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for ( int i = 0; i < m_ModifiedConvars.Count(); i++ )
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{
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Msg(" Convar %d: %s, value %s (org %s)\n", i, m_ModifiedConvars[i].pszConvar, m_ModifiedConvars[i].pszCurrentValue, m_ModifiedConvars[i].pszOrgValue );
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}
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*/
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return true;
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}
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return false;
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}
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