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137 lines
2.7 KiB
137 lines
2.7 KiB
//========= 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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#include "cbase.h" |
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#include "iclassmap.h" |
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#include "utldict.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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class classentry_t |
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{ |
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public: |
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classentry_t() |
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{ |
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mapname[ 0 ] = 0; |
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factory = 0; |
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size = -1; |
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} |
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char const *GetMapName() const |
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{ |
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return mapname; |
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} |
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void SetMapName( char const *newname ) |
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{ |
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Q_strncpy( mapname, newname, sizeof( mapname ) ); |
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} |
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DISPATCHFUNCTION factory; |
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int size; |
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private: |
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char mapname[ 40 ]; |
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}; |
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class CClassMap : public IClassMap |
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{ |
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public: |
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virtual void Add( const char *mapname, const char *classname, int size, DISPATCHFUNCTION factory /*= 0*/ ); |
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virtual const char *Lookup( const char *classname ); |
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virtual C_BaseEntity *CreateEntity( const char *mapname ); |
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virtual int GetClassSize( const char *classname ); |
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private: |
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CUtlDict< classentry_t, unsigned short > m_ClassDict; |
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}; |
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IClassMap& GetClassMap( void ) |
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{ |
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static CClassMap g_Classmap; |
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return g_Classmap; |
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} |
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void CClassMap::Add( const char *mapname, const char *classname, int size, DISPATCHFUNCTION factory = 0 ) |
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{ |
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const char *map = Lookup( classname ); |
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if ( map && !Q_strcasecmp( mapname, map ) ) |
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return; |
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if ( map ) |
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{ |
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int index = m_ClassDict.Find( classname ); |
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Assert( index != m_ClassDict.InvalidIndex() ); |
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m_ClassDict.RemoveAt( index ); |
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} |
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classentry_t element; |
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element.SetMapName( mapname ); |
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element.factory = factory; |
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element.size = size; |
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m_ClassDict.Insert( classname, element ); |
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} |
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const char *CClassMap::Lookup( const char *classname ) |
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{ |
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unsigned short index; |
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static classentry_t lookup; |
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index = m_ClassDict.Find( classname ); |
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if ( index == m_ClassDict.InvalidIndex() ) |
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return NULL; |
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lookup = m_ClassDict.Element( index ); |
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return lookup.GetMapName(); |
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} |
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C_BaseEntity *CClassMap::CreateEntity( const char *mapname ) |
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{ |
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int c = m_ClassDict.Count(); |
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int i; |
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for ( i = 0; i < c; i++ ) |
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{ |
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classentry_t *lookup = &m_ClassDict[ i ]; |
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if ( !lookup ) |
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continue; |
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if ( Q_stricmp( lookup->GetMapName(), mapname ) ) |
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continue; |
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if ( !lookup->factory ) |
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{ |
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#if defined( _DEBUG ) |
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Msg( "No factory for %s/%s\n", lookup->GetMapName(), m_ClassDict.GetElementName( i ) ); |
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#endif |
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continue; |
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} |
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return ( *lookup->factory )(); |
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} |
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return NULL; |
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} |
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int CClassMap::GetClassSize( const char *classname ) |
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{ |
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int c = m_ClassDict.Count(); |
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int i; |
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for ( i = 0; i < c; i++ ) |
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{ |
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classentry_t *lookup = &m_ClassDict[ i ]; |
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if ( !lookup ) |
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continue; |
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if ( Q_strcmp( lookup->GetMapName(), classname ) ) |
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continue; |
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return lookup->size; |
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} |
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return -1; |
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}
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