TTextureFactory.cpp

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#include "ToshiPCH.h"
#include "TTextureFactory.h"
#include "TTexture.h"
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include "Core/TMemoryDebugOn.h"
 
TDEFINE_CLASS_NORUNTIME( Toshi::TTextureFactory );
 
TOSHI_NAMESPACE_START
 
TTextureFactory::NameEntry::NameEntry( const TCHAR* a_szName, TTexture* a_pTexture )
{
    auto uiNameLen = TStringManager::String8Length( a_szName );
    TASSERT( uiNameLen < MAX_TEXTURENAMELEN );
 
    TStringManager::String8Copy( m_szName, a_szName, MAX_TEXTURENAMELEN );
    m_pTexture = a_pTexture;
}
 
TTextureFactory::NameEntry::~NameEntry()
{
    TASSERT( TFALSE == IsLinked() );
}
 
TTextureFactory::~TTextureFactory()
{
    for ( TUINT32 i = 0; i < NUM_LISTS; i++ )
    {
        m_aLists[ i ].DeleteAll();
    }
}
 
void TTextureFactory::Dump() const
{
    TUINT uiTexIndex = 0;
 
    for ( TUINT32 i = 0; i < NUM_LISTS; i++ )
    {
        for ( auto it = m_aLists[ i ].Begin(); it != m_aLists[ i ].End(); it++ )
        {
            TTRACE( "[%d] Texture [%s]: W=%d , H=%d\n", uiTexIndex++, it->GetName(), it->GetTexture()->GetWidth(), it->GetTexture()->GetHeight() );
        }
    }
}
 
TNodeList<TTextureFactory::NameEntry>* TTextureFactory::GetList( TUINT a_uiList )
{
    TASSERT( a_uiList < NUM_LISTS );
    return &m_aLists[ a_uiList ];
}
 
TTexture* TTextureFactory::FindTexture( const TCHAR* a_szName ) const
{
    auto pList = &m_aLists[ HashName( a_szName ) ];
 
    for ( auto it = pList->Begin(); it != pList->End(); it++ )
    {
        if ( 0 == TStringManager::String8CompareNoCase( it->GetName(), a_szName ) )
        {
            return it->GetTexture();
        }
    }
 
    return TNULL;
}
 
TTextureFactory::NameEntry* TTextureFactory::RegisterTexture( const TCHAR* a_szName, TTexture* a_pTexture )
{
    auto pList  = &m_aLists[ HashName( a_szName ) ];
    auto pEntry = new TTextureFactory::NameEntry( a_szName, a_pTexture );
 
    a_pTexture->m_pNameEntry = pEntry;
    pList->InsertHead( pEntry );
 
    return a_pTexture->m_pNameEntry;
}
 
void TTextureFactory::DeregisterTexture( TTexture* a_pTexture )
{
    TVALIDPTR( a_pTexture );
 
    auto pNameEntry = a_pTexture->m_pNameEntry;
 
    if ( pNameEntry )
    {
        pNameEntry->Remove();
        delete pNameEntry;
    }
}
 
TUINT32 TTextureFactory::HashName( const TCHAR* a_szName )
{
    TUINT32 iHash = 0;
 
    for ( TSIZE i = 0; i < TStringManager::String8Length( a_szName ); i++ )
    {
        iHash += a_szName[ i ];
    }
 
    return iHash % NUM_LISTS;
}
 
TOSHI_NAMESPACE_END