1 files changed, 196 insertions, 0 deletions
diff --git a/engine/logofile_shared.cpp b/engine/logofile_shared.cpp
new file mode 100644
index 0000000..1a13298
--- /dev/null
+++ b/engine/logofile_shared.cpp
@@ -0,0 +1,196 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "quakedef.h"
+#include "logofile_shared.h"
+#include "filesystem_engine.h"
+#include "vtf/vtf.h"
+
+
+// ------------------------------------------------------------------------------------ //
+// CLogoFilename implementation.
+// ------------------------------------------------------------------------------------ //
+
+CLogoFilename::CLogoFilename( CRC32_t value, bool bInDownloadsDirectory )
+{
+	char hex[16];
+	Q_binarytohex( (byte *)&value, sizeof( value ), hex, sizeof( hex ) );
+
+	if ( bInDownloadsDirectory )
+	{
+		Q_snprintf( m_Filename, sizeof( m_Filename ), "materials/decals/downloads/%s.vtf", hex );
+	}
+	else
+	{
+		Q_strncpy( m_Filename, hex, sizeof( m_Filename ) );
+	}
+}
+
+
+// ------------------------------------------------------------------------------------ //
+// SVC_LogoFileData.
+// ------------------------------------------------------------------------------------ //
+
+bool SVC_LogoFileData::ReadFromBuffer( bf_read &buffer )
+{
+	m_Data.SetSize( buffer.ReadShort() );
+	buffer.ReadBytes( m_Data.Base(), m_Data.Count() );
+	return !buffer.IsOverflowed();
+}
+
+bool SVC_LogoFileData::WriteToBuffer( bf_write &buffer )
+{
+	buffer.WriteUBitLong( GetType(), NETMSG_TYPE_BITS );
+	buffer.WriteShort( m_Data.Count() );
+	buffer.WriteBytes( m_Data.Base(), m_Data.Count() );
+	return !buffer.IsOverflowed();
+}
+
+const char* SVC_LogoFileData::ToString() const
+{
+	return "SVC_LogoFileData";
+}
+
+
+// ------------------------------------------------------------------------------------ //
+// CLC_LogoFileData.
+// ------------------------------------------------------------------------------------ //
+
+bool CLC_LogoFileData::ReadFromBuffer( bf_read &buffer )
+{
+	m_Data.SetSize( buffer.ReadShort() );
+	buffer.ReadBytes( m_Data.Base(), m_Data.Count() );
+	return !buffer.IsOverflowed();
+}
+
+bool CLC_LogoFileData::WriteToBuffer( bf_write &buffer )
+{
+	buffer.WriteUBitLong( GetType(), NETMSG_TYPE_BITS );
+	buffer.WriteShort( m_Data.Count() );
+	buffer.WriteBytes( m_Data.Base(), m_Data.Count() );
+	return !buffer.IsOverflowed();
+}
+
+const char* CLC_LogoFileData::ToString() const
+{
+	return "CLC_LogoFileData";
+}
+
+
+// ------------------------------------------------------------------------------------ //
+// SVC_LogoFileCRC.
+// ------------------------------------------------------------------------------------ //
+
+bool SVC_LogoFileCRC::ReadFromBuffer( bf_read &buffer )
+{
+	m_nLogoFileCRC = buffer.ReadLong();
+	return !buffer.IsOverflowed();
+}
+
+bool SVC_LogoFileCRC::WriteToBuffer( bf_write &buffer )
+{
+	buffer.WriteUBitLong( GetType(), NETMSG_TYPE_BITS );
+	buffer.WriteLong( m_nLogoFileCRC );
+	return !buffer.IsOverflowed();
+}
+
+const char* SVC_LogoFileCRC::ToString() const
+{
+	return "LogoFileCRC";
+}
+
+
+// ------------------------------------------------------------------------------------ //
+// CLC_LogoFileRequest.
+// ------------------------------------------------------------------------------------ //
+
+bool CLC_LogoFileRequest::ReadFromBuffer( bf_read &buffer )
+{
+	m_nLogoFileCRC = buffer.ReadLong();
+	return !buffer.IsOverflowed();
+}
+
+bool CLC_LogoFileRequest::WriteToBuffer( bf_write &buffer )
+{
+	buffer.WriteUBitLong( GetType(), NETMSG_TYPE_BITS );
+	buffer.WriteLong( m_nLogoFileCRC );
+	return !buffer.IsOverflowed();
+}
+
+const char* CLC_LogoFileRequest::ToString() const
+{
+	return "LogoFileRequest";
+}
+
+
+// ------------------------------------------------------------------------------------ //
+// CLC_LogoFileRequest.
+// ------------------------------------------------------------------------------------ //
+
+bool SVC_LogoFileRequest::ReadFromBuffer( bf_read &buffer )
+{
+	m_nLogoFileCRC = buffer.ReadLong();
+	return !buffer.IsOverflowed();
+}
+
+bool SVC_LogoFileRequest::WriteToBuffer( bf_write &buffer )
+{
+	buffer.WriteUBitLong( GetType(), NETMSG_TYPE_BITS );
+	buffer.WriteLong( m_nLogoFileCRC );
+	return !buffer.IsOverflowed();
+}
+
+const char* SVC_LogoFileRequest::ToString() const
+{
+	return "LogoFileRequest";
+}
+
+
+// ------------------------------------------------------------------------------------ //
+// Other functions.
+// ------------------------------------------------------------------------------------ //
+
+bool LogoFile_IsValidVTFFile( const void *pData, int len )
+{
+	CUtlBuffer buf( pData, len, CUtlBuffer::READ_ONLY );
+
+	IVTFTexture *pTex = CreateVTFTexture();
+	bool bUnserialized = pTex->Unserialize( buf );
+	DestroyVTFTexture( pTex );
+
+	return bUnserialized;
+}
+
+
+bool LogoFile_ReadFile( CRC32_t crcValue, CUtlVector<char> &fileData )
+{
+	CLogoFilename filename( crcValue, true );
+	FileHandle_t hFile = g_pFileSystem->Open( filename.m_Filename, "rb" );
+	if ( hFile == FILESYSTEM_INVALID_HANDLE )
+	{
+		Warning( "LogoFile_ReadFile: can't open file '%s'.\n", filename.m_Filename );
+		return false;
+	}
+
+	fileData.SetSize( g_pFileSystem->Size( hFile ) );
+	int amtRead = g_pFileSystem->Read( fileData.Base(), fileData.Count(), hFile );
+	g_pFileSystem->Close( hFile );
+	if ( fileData.Count() == 0 || amtRead != fileData.Count() )
+	{
+		Warning( "LogoFile_ReadFile: error reading file '%s'.\n", filename.m_Filename );
+		return false;
+	}
+	
+	// Validate it one last time.
+	if ( !LogoFile_IsValidVTFFile( fileData.Base(), fileData.Count() ) )
+	{
+		g_pFileSystem->RemoveFile( filename.m_Filename );
+		Warning( "LogoFile_ReadFile: !IsValidVTFFile for '%s'.\n", filename.m_Filename );
+		return false;
+	}
+	
+	return true;
+}