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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "iclassmap.h"
#include "utldict.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
class classentry_t
{
public:
classentry_t()
{
mapname[ 0 ] = 0;
factory = 0;
size = -1;
}
char const *GetMapName() const
{
return mapname;
}
void SetMapName( char const *newname )
{
Q_strncpy( mapname, newname, sizeof( mapname ) );
}
DISPATCHFUNCTION factory;
int size;
private:
char mapname[ 40 ];
};
class CClassMap : public IClassMap
{
public:
virtual void Add( const char *mapname, const char *classname, int size, DISPATCHFUNCTION factory /*= 0*/ );
virtual const char *Lookup( const char *classname );
virtual C_BaseEntity *CreateEntity( const char *mapname );
virtual int GetClassSize( const char *classname );
private:
CUtlDict< classentry_t, unsigned short > m_ClassDict;
};
IClassMap& GetClassMap( void )
{
static CClassMap g_Classmap;
return g_Classmap;
}
void CClassMap::Add( const char *mapname, const char *classname, int size, DISPATCHFUNCTION factory = 0 )
{
const char *map = Lookup( classname );
if ( map && !Q_strcasecmp( mapname, map ) )
return;
if ( map )
{
int index = m_ClassDict.Find( classname );
Assert( index != m_ClassDict.InvalidIndex() );
m_ClassDict.RemoveAt( index );
}
classentry_t element;
element.SetMapName( mapname );
element.factory = factory;
element.size = size;
m_ClassDict.Insert( classname, element );
}
const char *CClassMap::Lookup( const char *classname )
{
unsigned short index;
static classentry_t lookup;
index = m_ClassDict.Find( classname );
if ( index == m_ClassDict.InvalidIndex() )
return NULL;
lookup = m_ClassDict.Element( index );
return lookup.GetMapName();
}
C_BaseEntity *CClassMap::CreateEntity( const char *mapname )
{
int c = m_ClassDict.Count();
int i;
for ( i = 0; i < c; i++ )
{
classentry_t *lookup = &m_ClassDict[ i ];
if ( !lookup )
continue;
if ( Q_stricmp( lookup->GetMapName(), mapname ) )
continue;
if ( !lookup->factory )
{
#if defined( _DEBUG )
Msg( "No factory for %s/%s\n", lookup->GetMapName(), m_ClassDict.GetElementName( i ) );
#endif
continue;
}
return ( *lookup->factory )();
}
return NULL;
}
int CClassMap::GetClassSize( const char *classname )
{
int c = m_ClassDict.Count();
int i;
for ( i = 0; i < c; i++ )
{
classentry_t *lookup = &m_ClassDict[ i ];
if ( !lookup )
continue;
if ( Q_strcmp( lookup->GetMapName(), classname ) )
continue;
return lookup->size;
}
return -1;
}
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