////////////////////////////////////////////////////////////////
//
// CRenderWareSA::ModelInfoTXDLoadTextures
//
// Load textures from a TXD file
//
////////////////////////////////////////////////////////////////
bool CRenderWareSA::ModelInfoTXDLoadTextures ( SReplacementTextures* pReplacementTextures, const SString& strFilename, bool bFilteringEnabled )
{
// Are we already loaded?
if ( !pReplacementTextures->textures.empty () )
return false;
if ( !g_pCore->GetNetwork ()->CheckFile ( "txd", strFilename ) )
return false;
// Try to load it
RwTexDictionary* pTxd = ReadTXD ( strFilename );
if ( pTxd )
{
// Get the list of textures into our own list
GetTxdTextures ( pReplacementTextures->textures, pTxd );
for ( uint i = 0 ; i < pReplacementTextures->textures.size () ; i++ )
{
pReplacementTextures->textures[i]->txd = NULL;
if ( bFilteringEnabled )
pReplacementTextures->textures[i]->flags = 0x1102; // Enable filtering (otherwise textures are pixely)
}
// Make the txd forget it has any textures and destroy it
pTxd->textures.root.next = &pTxd->textures.root;
pTxd->textures.root.prev = &pTxd->textures.root;
RwTexDictionaryDestroy ( pTxd );
pTxd = NULL;
// We succeeded if we got any textures
return pReplacementTextures->textures.size () > 0;
}
return false;
}
/////////////////////////////////////////////////////////////////////////////
//
// CRenderWareSA::RightSizeTxd
//
// Check textures in a txd and shrink if required.
// Returns true if shrunk file was written
//
/////////////////////////////////////////////////////////////////////////////
bool CRenderWareSA::RightSizeTxd( const SString& strInTxdFilename, const SString& strOutTxdFilename, uint uiSizeLimit )
{
//
// Read txd from memory
//
RwStream* pStream = RwStreamOpen( STREAM_TYPE_FILENAME, STREAM_MODE_READ, *strInTxdFilename );
if ( pStream == NULL )
return false;
// Find our txd chunk
if ( RwStreamFindChunk( pStream, 0x16, NULL, NULL ) == false )
{
RwStreamClose( pStream, NULL );
return false;
}
// read the txd
RwTexDictionary* pTxd = RwTexDictionaryGtaStreamRead( pStream );
RwStreamClose( pStream, NULL );
if ( !pTxd )
return false;
//
// Process each texture in the txd
//
std::vector < RwTexture* > textureList;
pGame->GetRenderWareSA()->GetTxdTextures( textureList, pTxd );
bool bChanged = false;
for ( std::vector < RwTexture* > ::iterator iter = textureList.begin() ; iter != textureList.end() ; iter++ )
{
RwTexture* pTexture = *iter;
RwTexture* pNewRwTexture = RightSizeTexture( pTexture, uiSizeLimit );
if ( pNewRwTexture && pNewRwTexture != pTexture )
{
// Replace texture in txd if changed
RwTextureDestroy( pTexture );
RwTexDictionaryAddTexture( pTxd, pNewRwTexture );
bChanged = true;
}
else
{
// Keep texture (Reinsert to preserve order for easier debugging)
RwTexDictionaryRemoveTexture( pTxd, pTexture );
RwTexDictionaryAddTexture( pTxd, pTexture );
}
}
//
// Save shrunked txd if changed
//
if ( bChanged )
{
pStream = RwStreamOpen( STREAM_TYPE_FILENAME, STREAM_MODE_WRITE, *strOutTxdFilename );
if ( pStream )
{
RwTexDictionaryStreamWrite( pTxd, pStream );
RwStreamClose( pStream, NULL );
RwTexDictionaryDestroy( pTxd );
return true;
}
}
RwTexDictionaryDestroy( pTxd );
return false;
}