mirror of
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478 lines
15 KiB
C++
478 lines
15 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 "rrbase.h"
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#include "utlmap.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include <tier0/memdbgon.h>
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using namespace ResponseRules;
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//-----------------------------------------------------------------------------
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// Case-insensitive criteria symbol table
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//-----------------------------------------------------------------------------
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CUtlSymbolTable CriteriaSet::sm_CriteriaSymbols( 1024, 1024, true );
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *raw -
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// *key -
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// keylen -
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// *value -
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// valuelen -
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// *duration -
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// Output : static bool
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//-----------------------------------------------------------------------------
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const char *SplitContext( const char *raw, char *key, int keylen, char *value, int valuelen, float *duration, const char *entireContext )
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{
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char *colon1 = Q_strstr( raw, ":" );
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if ( !colon1 )
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{
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DevMsg( "SplitContext: warning, ignoring context '%s', missing colon separator!\n", raw );
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*key = *value = 0;
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return NULL;
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}
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int len = colon1 - raw;
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Q_strncpy( key, raw, MIN( len + 1, keylen ) );
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key[ MIN( len, keylen - 1 ) ] = 0;
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bool last = false;
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char *end = Q_strstr( colon1 + 1, "," );
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if ( !end )
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{
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int remaining = Q_strlen( colon1 + 1 );
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end = colon1 + 1 + remaining;
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last = true;
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}
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char *colon2 = Q_strstr( colon1 + 1, ":" );
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if ( colon2 && ( colon2 < end ) )
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{
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if ( duration )
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*duration = atof( colon2 + 1 );
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char durationStartChar = *(colon2 + 1);
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if ( durationStartChar < '0' || durationStartChar > '9' )
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{
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DevMsg( "SplitContext: warning, ignoring context '%s', missing comma separator! Entire context was '%s'.\n", raw, entireContext );
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*key = *value = 0;
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return NULL;
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}
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len = MIN( colon2 - ( colon1 + 1 ), valuelen - 1 );
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Q_strncpy( value, colon1 + 1, len + 1 );
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value[ len ] = 0;
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}
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else
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{
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if ( duration )
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*duration = 0.0;
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len = MIN( end - ( colon1 + 1 ), valuelen - 1 );
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Q_strncpy( value, colon1 + 1, len + 1 );
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value[ len ] = 0;
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}
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return last ? NULL : end + 1;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CriteriaSet::CriteriaSet() : m_Lookup( 0, 0, CritEntry_t::LessFunc ), m_bOverrideOnAppend(true),
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m_nNumPrefixedContexts(0)
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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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CriteriaSet::CriteriaSet( const CriteriaSet& src ) : m_Lookup( 0, 0, CritEntry_t::LessFunc ), m_nNumPrefixedContexts(src.m_nNumPrefixedContexts)
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{
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m_Lookup.EnsureCapacity( src.m_Lookup.Count() );
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for ( short i = src.m_Lookup.FirstInorder();
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i != src.m_Lookup.InvalidIndex();
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i = src.m_Lookup.NextInorder( i ) )
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{
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m_Lookup.Insert( src.m_Lookup[ i ] );
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}
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}
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CriteriaSet::CriteriaSet( const char *criteria, const char *value ) : m_Lookup( 0, 0, CritEntry_t::LessFunc ), m_bOverrideOnAppend(true)
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{
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AppendCriteria(criteria,value);
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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CriteriaSet::~CriteriaSet()
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{
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}
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//-----------------------------------------------------------------------------
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// Computes a symbol for the criteria
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//-----------------------------------------------------------------------------
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CriteriaSet::CritSymbol_t CriteriaSet::ComputeCriteriaSymbol( const char *criteria )
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{
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return sm_CriteriaSymbols.AddString( criteria );
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}
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//-----------------------------------------------------------------------------
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// Computes a symbol for the criteria
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//-----------------------------------------------------------------------------
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void CriteriaSet::AppendCriteria( CriteriaSet::CritSymbol_t criteria, const char *value, float weight )
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{
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int idx = FindCriterionIndex( criteria );
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if ( idx == -1 )
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{
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CritEntry_t entry;
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entry.criterianame = criteria;
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MEM_ALLOC_CREDIT();
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idx = m_Lookup.Insert( entry );
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if ( sm_CriteriaSymbols.String(criteria)[0] == kAPPLYTOWORLDPREFIX )
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{
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m_nNumPrefixedContexts += 1;
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}
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}
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else // criteria already existed
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{
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// bail out if override existing criteria is not allowed
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if ( !m_bOverrideOnAppend )
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return;
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}
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CritEntry_t *entry = &m_Lookup[ idx ];
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entry->SetValue( value );
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entry->weight = weight;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *criteria -
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// "" -
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// 1.0f -
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//-----------------------------------------------------------------------------
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void CriteriaSet::AppendCriteria( const char *pCriteriaName, const char *value /*= ""*/, float weight /*= 1.0f*/ )
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{
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CUtlSymbol criteria = ComputeCriteriaSymbol( pCriteriaName );
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AppendCriteria( criteria, value, weight );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *criteria -
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// "" -
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// 1.0f -
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//-----------------------------------------------------------------------------
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void CriteriaSet::AppendCriteria( const char *criteria, float value, float weight /*= 1.0f*/ )
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{
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char buf[32];
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V_snprintf( buf, 32, "%f", value );
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AppendCriteria( criteria, buf, weight );
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}
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//-----------------------------------------------------------------------------
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// Removes criteria in a set
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//-----------------------------------------------------------------------------
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void CriteriaSet::RemoveCriteria( const char *criteria )
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{
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const int idx = FindCriterionIndex( criteria );
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if ( idx == -1 )
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return;
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if ( criteria[0] == kAPPLYTOWORLDPREFIX )
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{
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Assert( m_nNumPrefixedContexts > 0 );
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m_nNumPrefixedContexts = isel( m_nNumPrefixedContexts - 1, m_nNumPrefixedContexts - 1, 0 );
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}
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RemoveCriteria( idx, false );
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}
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// bTestForIndex tells us whether the calling function has already checked for a
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// $ prefix and decremented m_nNumPrefixedContexts appropriately (false),
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// or if this function should do that (true).
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void CriteriaSet::RemoveCriteria( int idx, bool bTestForPrefix )
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{
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Assert( m_Lookup.IsValidIndex(idx) );
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if ( bTestForPrefix )
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{
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if ( sm_CriteriaSymbols.String( m_Lookup[idx].criterianame )[0] == kAPPLYTOWORLDPREFIX )
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{
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Assert( m_nNumPrefixedContexts > 0 );
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m_nNumPrefixedContexts = isel( m_nNumPrefixedContexts - 1, m_nNumPrefixedContexts - 1, 0 );
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}
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}
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m_Lookup.RemoveAt( idx );
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Output : int
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//-----------------------------------------------------------------------------
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int CriteriaSet::GetCount() const
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{
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return m_Lookup.Count();
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : *name -
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// Output : int
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//-----------------------------------------------------------------------------
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int CriteriaSet::FindCriterionIndex( CritSymbol_t criteria ) const
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{
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CritEntry_t search;
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search.criterianame = criteria;
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int idx = m_Lookup.Find( search );
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return ( idx == m_Lookup.InvalidIndex() ) ? -1 : idx;
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}
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int CriteriaSet::FindCriterionIndex( const char *name ) const
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{
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CUtlSymbol criteria = ComputeCriteriaSymbol( name );
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return FindCriterionIndex( criteria );
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}
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//-----------------------------------------------------------------------------
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// Returns the name symbol
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//-----------------------------------------------------------------------------
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CriteriaSet::CritSymbol_t CriteriaSet::GetNameSymbol( int nIndex ) const
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{
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if ( nIndex < 0 || nIndex >= (int)m_Lookup.Count() )
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return UTL_INVAL_SYMBOL;
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const CritEntry_t *entry = &m_Lookup[ nIndex ];
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return entry->criterianame;
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : index -
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// Output : char const
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//-----------------------------------------------------------------------------
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const char *CriteriaSet::GetName( int index ) const
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{
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if ( index < 0 || index >= (int)m_Lookup.Count() )
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return "";
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else
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{
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const char *pCriteriaName = sm_CriteriaSymbols.String( m_Lookup[ index ].criterianame );
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return pCriteriaName ? pCriteriaName : "";
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}
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : index -
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// Output : char const
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//-----------------------------------------------------------------------------
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const char *CriteriaSet::GetValue( int index ) const
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{
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if ( index < 0 || index >= (int)m_Lookup.Count() )
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return "";
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const CritEntry_t *entry = &m_Lookup[ index ];
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return entry->value ? entry->value : "";
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}
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//-----------------------------------------------------------------------------
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// Purpose:
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// Input : index -
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// Output : float
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//-----------------------------------------------------------------------------
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float CriteriaSet::GetWeight( int index ) const
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{
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if ( index < 0 || index >= (int)m_Lookup.Count() )
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return 1.0f;
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const CritEntry_t *entry = &m_Lookup[ index ];
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return entry->weight;
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}
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//-----------------------------------------------------------------------------
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// Purpose: Merge another criteria set into this one.
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//-----------------------------------------------------------------------------
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void CriteriaSet::Merge( const CriteriaSet * RESTRICT otherCriteria )
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{
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Assert(otherCriteria);
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if (!otherCriteria)
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return;
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// for now, just duplicate everything.
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int count = otherCriteria->GetCount();
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EnsureCapacity( count + GetCount() );
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for ( int i = 0 ; i < count ; ++i )
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{
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AppendCriteria( otherCriteria->GetNameSymbol(i), otherCriteria->GetValue(i), otherCriteria->GetWeight(i) );
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}
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}
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void CriteriaSet::Merge( const char *modifiers ) // add criteria parsed from a text string
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{
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// Always include any optional modifiers
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if ( modifiers == NULL )
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return;
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char copy_modifiers[ 255 ];
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const char *pCopy;
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char key[ 128 ] = { 0 };
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char value[ 128 ] = { 0 };
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Q_strncpy( copy_modifiers, modifiers, sizeof( copy_modifiers ) );
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pCopy = copy_modifiers;
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while( pCopy )
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{
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pCopy = SplitContext( pCopy, key, sizeof( key ), value, sizeof( value ), NULL, modifiers );
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if( *key && *value )
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{
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AppendCriteria( key, value, 1 );
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}
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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 CriteriaSet::Describe() const
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{
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// build an alphabetized representation of the set for printing
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typedef CUtlMap<const char *, const CritEntry_t *> tMap;
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tMap m_TempMap( 0, m_Lookup.Count(), CaselessStringLessThan );
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for ( short i = m_Lookup.FirstInorder(); i != m_Lookup.InvalidIndex(); i = m_Lookup.NextInorder( i ) )
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{
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const CritEntry_t *entry = &m_Lookup[ i ];
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m_TempMap.Insert( sm_CriteriaSymbols.String( entry->criterianame ), entry );
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}
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for ( tMap::IndexType_t i = m_TempMap.FirstInorder(); i != m_TempMap.InvalidIndex(); i = m_TempMap.NextInorder( i ) )
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{
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// const CritEntry_t *entry = &m_TempMap[ i ];
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// const char *pCriteriaName = sm_CriteriaSymbols.String( entry->criterianame );
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const char *name = m_TempMap.Key( i );
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const CritEntry_t *entry = m_TempMap.Element( i );
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if ( entry->weight != 1.0f )
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{
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DevMsg( " %20s = '%s' (weight %f)\n", name, entry->value ? entry->value : "", entry->weight );
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}
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else
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{
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DevMsg( " %20s = '%s'\n", name, entry->value ? entry->value : "" );
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}
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}
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/*
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for ( short i = m_Lookup.FirstInorder(); i != m_Lookup.InvalidIndex(); i = m_Lookup.NextInorder( i ) )
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{
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const CritEntry_t *entry = &m_Lookup[ i ];
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const char *pCriteriaName = sm_CriteriaSymbols.String( entry->criterianame );
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if ( entry->weight != 1.0f )
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{
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DevMsg( " %20s = '%s' (weight %f)\n", pCriteriaName, entry->value ? entry->value : "", entry->weight );
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}
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else
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{
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DevMsg( " %20s = '%s'\n", pCriteriaName, entry->value ? entry->value : "" );
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}
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}
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*/
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}
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void CriteriaSet::Reset()
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{
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m_Lookup.Purge();
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}
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void CriteriaSet::WriteToEntity( CBaseEntity *pEntity )
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{
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#if 0
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if ( GetCount() < 1 )
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return;
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for ( int i = Head() ; IsValidIndex(i); i = Next(i) )
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{
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pEntity->AddContext( GetName(i), GetValue(i), 0 );
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}
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#else
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AssertMsg( false, "CriteriaSet::WriteToEntity has not been ported from l4d2.\n" );
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#endif
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}
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int CriteriaSet::InterceptWorldSetContexts( CriteriaSet * RESTRICT pFrom, CriteriaSet * RESTRICT pSetOnWorld )
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{
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// Assert( pFrom ); Assert( pTo ); Assert( pSetOnWorld );
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Assert( pSetOnWorld != pFrom );
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Assert( pSetOnWorld->GetCount() == 0 );
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if ( pFrom->m_nNumPrefixedContexts == 0 )
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{
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// nothing needs to be done to it.
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return 0;
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}
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#ifdef DEBUG
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// save this off for later error checking.
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const int nPrefixedContexts = pFrom->m_nNumPrefixedContexts;
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#endif
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// make enough space for the expected output quantity.
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pSetOnWorld->EnsureCapacity( pFrom->m_nNumPrefixedContexts );
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// initialize a buffer with the "world" prefix (so we can use strncpy instead of snprintf and be much faster)
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char buf[80] = { 'w', 'o', 'r', 'l', 'd', '\0' };
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const unsigned int PREFIXLEN = 5; // strlen("world")
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// create a second tree that has the appropriately renamed criteria,
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// then swap it into pFrom
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CriteriaSet rewrite;
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rewrite.EnsureCapacity( pFrom->GetCount() + 1 );
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for ( int i = pFrom->Head(); pFrom->IsValidIndex(i); i = pFrom->Next(i) )
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{
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const char *pszName = pFrom->GetName( i );
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if ( pszName[0] == CriteriaSet::kAPPLYTOWORLDPREFIX )
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{ // redirect to the world contexts
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V_strncpy( buf+PREFIXLEN, pszName+1, sizeof(buf) - PREFIXLEN );
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rewrite.AppendCriteria( buf, pFrom->GetValue(i), pFrom->GetWeight(i) );
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pSetOnWorld->AppendCriteria( pszName+1, pFrom->GetValue(i), pFrom->GetWeight(i) );
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buf[PREFIXLEN] = 0;
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}
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else
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{ // does not need to be fiddled; do not write back to world
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rewrite.AppendCriteria( pFrom->GetNameSymbol(i), pFrom->GetValue(i), pFrom->GetWeight(i) );
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}
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}
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AssertMsg2( pSetOnWorld->GetCount() == nPrefixedContexts, "Count of $ persistent RR contexts is inconsistent (%d vs %d)! Call Elan.",
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pSetOnWorld->GetCount(), nPrefixedContexts );
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pFrom->m_nNumPrefixedContexts = 0;
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pFrom->m_Lookup.Swap(rewrite.m_Lookup);
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return pSetOnWorld->GetCount();
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}
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