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https://github.com/alliedmodders/hl2sdk.git
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First version of the SOurce SDK 2013
This commit is contained in:
Joe Ludwig
534
game/shared/sceneimage.cpp
Normal file
534
game/shared/sceneimage.cpp
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@ -0,0 +1,534 @@
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//========= Copyright 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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//=============================================================================//
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#include "sceneimage.h"
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#include "choreoscene.h"
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#include "iscenetokenprocessor.h"
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#include "scenefilecache/SceneImageFile.h"
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#include "lzma/lzma.h"
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#include "tier1/utlbuffer.h"
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#include "tier1/UtlStringMap.h"
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#include "tier1/utlvector.h"
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#include "tier1/UtlSortVector.h"
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#include "scriplib.h"
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#include "cmdlib.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 CSceneImage : public ISceneImage
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{
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public:
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virtual bool CreateSceneImageFile( CUtlBuffer &targetBuffer, char const *pchModPath, bool bLittleEndian, bool bQuiet, ISceneCompileStatus *Status );
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};
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static CSceneImage g_SceneImage;
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ISceneImage *g_pSceneImage = &g_SceneImage;
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struct SceneFile_t
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{
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SceneFile_t()
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{
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msecs = 0;
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}
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CUtlString fileName;
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CUtlBuffer compiledBuffer;
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unsigned int msecs;
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CUtlVector< short > soundList;
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};
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CUtlVector< SceneFile_t > g_SceneFiles;
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//-----------------------------------------------------------------------------
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// Helper for parsing scene data file
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//-----------------------------------------------------------------------------
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class CSceneTokenProcessor : public ISceneTokenProcessor
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{
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public:
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const char *CurrentToken( void )
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{
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return token;
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}
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bool GetToken( bool crossline )
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{
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return ::GetToken( crossline ) ? true : false;
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}
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bool TokenAvailable( void )
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{
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return ::TokenAvailable() ? true : false;
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}
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void Error( const char *fmt, ... )
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{
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char string[2048];
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va_list argptr;
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va_start( argptr, fmt );
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Q_vsnprintf( string, sizeof(string), fmt, argptr );
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va_end( argptr );
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Warning( "%s", string );
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Assert( 0 );
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}
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};
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static CSceneTokenProcessor g_SceneTokenProcessor;
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ISceneTokenProcessor *tokenprocessor = &g_SceneTokenProcessor;
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// a simple case insensitive string pool
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// the final pool contains all the unique strings seperated by a null
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class CChoreoStringPool : public IChoreoStringPool
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{
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public:
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CChoreoStringPool() : m_StringMap( true )
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{
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m_nOffset = 0;
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}
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// Returns a valid id into the string table
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virtual short FindOrAddString( const char *pString )
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{
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int stringId = m_StringMap.Find( pString );
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if ( stringId != m_StringMap.InvalidIndex() )
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{
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// found in pool
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return stringId;
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}
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int &nOffset = m_StringMap[pString];
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nOffset = m_nOffset;
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// advance by string and null
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m_nOffset += strlen( pString ) + 1;
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stringId = m_StringMap.Find( pString );
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Assert( stringId >= 0 && stringId <= 32767 );
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return stringId;
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}
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virtual bool GetString( short stringId, char *buff, int buffSize )
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{
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if ( stringId < 0 || stringId >= m_StringMap.GetNumStrings() )
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{
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V_strncpy( buff, "", buffSize );
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return false;
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}
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V_strncpy( buff, m_StringMap.String( stringId ), buffSize );
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return true;
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}
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int GetNumStrings()
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{
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return m_StringMap.GetNumStrings();
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}
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unsigned int GetPoolSize()
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{
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return m_nOffset;
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}
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// build the final pool
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void GetTableAndPool( CUtlVector< unsigned int > &offsets, CUtlBuffer &buffer )
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{
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offsets.Purge();
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buffer.Purge();
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offsets.EnsureCapacity( m_StringMap.GetNumStrings() );
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buffer.EnsureCapacity( m_nOffset );
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unsigned int currentOffset = 0;
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for ( int i = 0; i < m_StringMap.GetNumStrings(); i++ )
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{
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offsets.AddToTail( currentOffset );
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const char *pString = m_StringMap.String( i );
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buffer.Put( pString, strlen( pString ) + 1 );
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currentOffset += strlen( pString ) + 1;
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}
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Assert( currentOffset == m_nOffset );
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// align string pool to end on dword boundary
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while ( buffer.TellMaxPut() & 0x03 )
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{
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buffer.PutChar( '\0' );
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m_nOffset++;
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}
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}
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void DumpPool()
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{
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for ( int i = 0; i < m_StringMap.GetNumStrings(); i++ )
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{
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const char *pString = m_StringMap.String( i );
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Msg( "%s\n", pString );
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}
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}
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void Reset()
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{
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m_StringMap.Purge();
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m_nOffset = 0;
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}
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private:
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CUtlStringMap< int > m_StringMap;
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unsigned int m_nOffset;
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};
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CChoreoStringPool g_ChoreoStringPool;
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//-----------------------------------------------------------------------------
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// Helper for crawling events to determine sounds
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//-----------------------------------------------------------------------------
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void FindSoundsInEvent( CChoreoEvent *pEvent, CUtlVector< short >& soundList )
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{
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if ( !pEvent || pEvent->GetType() != CChoreoEvent::SPEAK )
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return;
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unsigned short stringId = g_ChoreoStringPool.FindOrAddString( pEvent->GetParameters() );
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if ( soundList.Find( stringId ) == soundList.InvalidIndex() )
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{
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soundList.AddToTail( stringId );
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}
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if ( pEvent->GetCloseCaptionType() == CChoreoEvent::CC_MASTER )
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{
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char tok[ CChoreoEvent::MAX_CCTOKEN_STRING ];
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if ( pEvent->GetPlaybackCloseCaptionToken( tok, sizeof( tok ) ) )
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{
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stringId = g_ChoreoStringPool.FindOrAddString( tok );
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if ( soundList.Find( stringId ) == soundList.InvalidIndex() )
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{
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soundList.AddToTail( stringId );
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}
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}
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}
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}
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//-----------------------------------------------------------------------------
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// Create binary compiled version of VCD. Stores to a dictionary for later
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// post processing
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//-----------------------------------------------------------------------------
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bool CreateTargetFile_VCD( const char *pSourceName, const char *pTargetName, bool bWriteToZip, bool bLittleEndian )
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{
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CUtlBuffer sourceBuf;
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if ( !scriptlib->ReadFileToBuffer( pSourceName, sourceBuf ) )
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{
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return false;
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}
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CRC32_t crcSource;
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CRC32_Init( &crcSource );
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CRC32_ProcessBuffer( &crcSource, sourceBuf.Base(), sourceBuf.TellMaxPut() );
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CRC32_Final( &crcSource );
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ParseFromMemory( (char *)sourceBuf.Base(), sourceBuf.TellMaxPut() );
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CChoreoScene *pChoreoScene = ChoreoLoadScene( pSourceName, NULL, &g_SceneTokenProcessor, Msg );
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if ( !pChoreoScene )
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{
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return false;
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}
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int iScene = g_SceneFiles.AddToTail();
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g_SceneFiles[iScene].fileName.Set( pSourceName );
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// Walk all events looking for SPEAK events
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CChoreoEvent *pEvent;
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for ( int i = 0; i < pChoreoScene->GetNumEvents(); ++i )
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{
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pEvent = pChoreoScene->GetEvent( i );
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FindSoundsInEvent( pEvent, g_SceneFiles[iScene].soundList );
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}
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// calc duration
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g_SceneFiles[iScene].msecs = (unsigned int)( pChoreoScene->FindStopTime() * 1000.0f + 0.5f );
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// compile to binary buffer
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g_SceneFiles[iScene].compiledBuffer.SetBigEndian( !bLittleEndian );
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pChoreoScene->SaveToBinaryBuffer( g_SceneFiles[iScene].compiledBuffer, crcSource, &g_ChoreoStringPool );
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unsigned int compressedSize;
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unsigned char *pCompressedBuffer = LZMA_Compress( (unsigned char *)g_SceneFiles[iScene].compiledBuffer.Base(), g_SceneFiles[iScene].compiledBuffer.TellMaxPut(), &compressedSize );
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if ( pCompressedBuffer )
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{
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// replace the compiled buffer with the compressed version
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g_SceneFiles[iScene].compiledBuffer.Purge();
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g_SceneFiles[iScene].compiledBuffer.EnsureCapacity( compressedSize );
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g_SceneFiles[iScene].compiledBuffer.Put( pCompressedBuffer, compressedSize );
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free( pCompressedBuffer );
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}
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delete pChoreoScene;
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return true;
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}
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class CSceneImageEntryLessFunc
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{
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public:
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bool Less( const SceneImageEntry_t &entryLHS, const SceneImageEntry_t &entryRHS, void *pCtx )
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{
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return entryLHS.crcFilename < entryRHS.crcFilename;
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}
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};
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//-----------------------------------------------------------------------------
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// A Scene image file contains all the compiled .XCD
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//-----------------------------------------------------------------------------
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bool CSceneImage::CreateSceneImageFile( CUtlBuffer &targetBuffer, char const *pchModPath, bool bLittleEndian, bool bQuiet, ISceneCompileStatus *pStatus )
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{
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CUtlVector<fileList_t> vcdFileList;
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CUtlSymbolTable vcdSymbolTable( 0, 32, true );
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Msg( "\n" );
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// get all the VCD files according to the seacrh paths
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char searchPaths[512];
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g_pFullFileSystem->GetSearchPath( "GAME", false, searchPaths, sizeof( searchPaths ) );
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char *pPath = strtok( searchPaths, ";" );
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while ( pPath )
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{
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int currentCount = vcdFileList.Count();
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char szPath[MAX_PATH];
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V_ComposeFileName( pPath, "scenes/*.vcd", szPath, sizeof( szPath ) );
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scriptlib->FindFiles( szPath, true, vcdFileList );
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Msg( "Scenes: Searching '%s' - Found %d scenes.\n", szPath, vcdFileList.Count() - currentCount );
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pPath = strtok( NULL, ";" );
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}
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if ( !vcdFileList.Count() )
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{
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Msg( "Scenes: No Scene Files found!\n" );
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return false;
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}
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// iterate and convert all the VCD files
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bool bGameIsTF = V_stristr( pchModPath, "\\tf" ) != NULL;
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for ( int i=0; i<vcdFileList.Count(); i++ )
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{
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const char *pFilename = vcdFileList[i].fileName.String();
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const char *pSceneName = V_stristr( pFilename, "scenes\\" );
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if ( !pSceneName )
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{
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continue;
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}
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if ( !bLittleEndian && bGameIsTF && V_stristr( pSceneName, "high\\" ) )
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{
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continue;
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}
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// process files in order they would be found in search paths
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// i.e. skipping later processed files that match an earlier conversion
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UtlSymId_t symbol = vcdSymbolTable.Find( pSceneName );
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if ( symbol == UTL_INVAL_SYMBOL )
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{
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vcdSymbolTable.AddString( pSceneName );
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pStatus->UpdateStatus( pFilename, bQuiet, i, vcdFileList.Count() );
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if ( !CreateTargetFile_VCD( pFilename, "", false, bLittleEndian ) )
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{
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Error( "CreateSceneImageFile: Failed on '%s' conversion!\n", pFilename );
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}
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}
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}
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if ( !g_SceneFiles.Count() )
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{
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// nothing to do
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return true;
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}
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Msg( "Scenes: Finalizing %d unique scenes.\n", g_SceneFiles.Count() );
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// get the string pool
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CUtlVector< unsigned int > stringOffsets;
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CUtlBuffer stringPool;
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g_ChoreoStringPool.GetTableAndPool( stringOffsets, stringPool );
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if ( !bQuiet )
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{
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Msg( "Scenes: String Table: %d bytes\n", stringOffsets.Count() * sizeof( int ) );
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Msg( "Scenes: String Pool: %d bytes\n", stringPool.TellMaxPut() );
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}
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// first header, then lookup table, then string pool blob
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int stringPoolStart = sizeof( SceneImageHeader_t ) + stringOffsets.Count() * sizeof( int );
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// then directory
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int sceneEntryStart = stringPoolStart + stringPool.TellMaxPut();
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// then variable sized summaries
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int sceneSummaryStart = sceneEntryStart + g_SceneFiles.Count() * sizeof( SceneImageEntry_t );
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// then variable sized compiled binary scene data
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int sceneDataStart = 0;
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// construct header
|
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SceneImageHeader_t imageHeader = { 0 };
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imageHeader.nId = SCENE_IMAGE_ID;
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imageHeader.nVersion = SCENE_IMAGE_VERSION;
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imageHeader.nNumScenes = g_SceneFiles.Count();
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imageHeader.nNumStrings = stringOffsets.Count();
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imageHeader.nSceneEntryOffset = sceneEntryStart;
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if ( !bLittleEndian )
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{
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imageHeader.nId = BigLong( imageHeader.nId );
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imageHeader.nVersion = BigLong( imageHeader.nVersion );
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imageHeader.nNumScenes = BigLong( imageHeader.nNumScenes );
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imageHeader.nNumStrings = BigLong( imageHeader.nNumStrings );
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imageHeader.nSceneEntryOffset = BigLong( imageHeader.nSceneEntryOffset );
|
||||
}
|
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targetBuffer.Put( &imageHeader, sizeof( imageHeader ) );
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|
||||
// header is immediately followed by string table and pool
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for ( int i = 0; i < stringOffsets.Count(); i++ )
|
||||
{
|
||||
unsigned int offset = stringPoolStart + stringOffsets[i];
|
||||
if ( !bLittleEndian )
|
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{
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offset = BigLong( offset );
|
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}
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targetBuffer.PutInt( offset );
|
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}
|
||||
Assert( stringPoolStart == targetBuffer.TellMaxPut() );
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targetBuffer.Put( stringPool.Base(), stringPool.TellMaxPut() );
|
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|
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// construct directory
|
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CUtlSortVector< SceneImageEntry_t, CSceneImageEntryLessFunc > imageDirectory;
|
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imageDirectory.EnsureCapacity( g_SceneFiles.Count() );
|
||||
|
||||
// build directory
|
||||
// directory is linear sorted by filename checksum for later binary search
|
||||
for ( int i = 0; i < g_SceneFiles.Count(); i++ )
|
||||
{
|
||||
SceneImageEntry_t imageEntry = { 0 };
|
||||
|
||||
// name needs to be normalized for determinstic later CRC name calc
|
||||
// calc crc based on scenes\anydir\anyscene.vcd
|
||||
char szCleanName[MAX_PATH];
|
||||
V_strncpy( szCleanName, g_SceneFiles[i].fileName.String(), sizeof( szCleanName ) );
|
||||
V_strlower( szCleanName );
|
||||
V_FixSlashes( szCleanName );
|
||||
char *pName = V_stristr( szCleanName, "scenes\\" );
|
||||
if ( !pName )
|
||||
{
|
||||
// must have scenes\ in filename
|
||||
Error( "CreateSceneImageFile: Unexpected lack of scenes prefix on %s\n", g_SceneFiles[i].fileName.String() );
|
||||
}
|
||||
|
||||
CRC32_t crcFilename = CRC32_ProcessSingleBuffer( pName, strlen( pName ) );
|
||||
imageEntry.crcFilename = crcFilename;
|
||||
|
||||
// temp store an index to its file, fixup later, necessary to access post sort
|
||||
imageEntry.nDataOffset = i;
|
||||
if ( imageDirectory.Find( imageEntry ) != imageDirectory.InvalidIndex() )
|
||||
{
|
||||
// filename checksums must be unique or runtime binary search would be bogus
|
||||
Error( "CreateSceneImageFile: Unexpected filename checksum collision!\n" );
|
||||
}
|
||||
|
||||
imageDirectory.Insert( imageEntry );
|
||||
}
|
||||
|
||||
// determine sort order and start of data after dynamic summaries
|
||||
CUtlVector< int > writeOrder;
|
||||
writeOrder.EnsureCapacity( g_SceneFiles.Count() );
|
||||
sceneDataStart = sceneSummaryStart;
|
||||
for ( int i = 0; i < imageDirectory.Count(); i++ )
|
||||
{
|
||||
// reclaim offset, indicates write order of scene file
|
||||
int iScene = imageDirectory[i].nDataOffset;
|
||||
writeOrder.AddToTail( iScene );
|
||||
|
||||
// march past each variable sized summary to determine start of scene data
|
||||
int numSounds = g_SceneFiles[iScene].soundList.Count();
|
||||
sceneDataStart += sizeof( SceneImageSummary_t ) + ( numSounds - 1 ) * sizeof( int );
|
||||
}
|
||||
|
||||
// finalize and write directory
|
||||
Assert( sceneEntryStart == targetBuffer.TellMaxPut() );
|
||||
int nSummaryOffset = sceneSummaryStart;
|
||||
int nDataOffset = sceneDataStart;
|
||||
for ( int i = 0; i < imageDirectory.Count(); i++ )
|
||||
{
|
||||
int iScene = writeOrder[i];
|
||||
|
||||
imageDirectory[i].nDataOffset = nDataOffset;
|
||||
imageDirectory[i].nDataLength = g_SceneFiles[iScene].compiledBuffer.TellMaxPut();
|
||||
imageDirectory[i].nSceneSummaryOffset = nSummaryOffset;
|
||||
if ( !bLittleEndian )
|
||||
{
|
||||
imageDirectory[i].crcFilename = BigLong( imageDirectory[i].crcFilename );
|
||||
imageDirectory[i].nDataOffset = BigLong( imageDirectory[i].nDataOffset );
|
||||
imageDirectory[i].nDataLength = BigLong( imageDirectory[i].nDataLength );
|
||||
imageDirectory[i].nSceneSummaryOffset = BigLong( imageDirectory[i].nSceneSummaryOffset );
|
||||
}
|
||||
targetBuffer.Put( &imageDirectory[i], sizeof( SceneImageEntry_t ) );
|
||||
|
||||
int numSounds = g_SceneFiles[iScene].soundList.Count();
|
||||
nSummaryOffset += sizeof( SceneImageSummary_t ) + (numSounds - 1) * sizeof( int );
|
||||
|
||||
nDataOffset += g_SceneFiles[iScene].compiledBuffer.TellMaxPut();
|
||||
}
|
||||
|
||||
// finalize and write summaries
|
||||
Assert( sceneSummaryStart == targetBuffer.TellMaxPut() );
|
||||
for ( int i = 0; i < imageDirectory.Count(); i++ )
|
||||
{
|
||||
int iScene = writeOrder[i];
|
||||
int msecs = g_SceneFiles[iScene].msecs;
|
||||
int soundCount = g_SceneFiles[iScene].soundList.Count();
|
||||
if ( !bLittleEndian )
|
||||
{
|
||||
msecs = BigLong( msecs );
|
||||
soundCount = BigLong( soundCount );
|
||||
}
|
||||
targetBuffer.PutInt( msecs );
|
||||
targetBuffer.PutInt( soundCount );
|
||||
for ( int j = 0; j < g_SceneFiles[iScene].soundList.Count(); j++ )
|
||||
{
|
||||
int soundId = g_SceneFiles[iScene].soundList[j];
|
||||
if ( !bLittleEndian )
|
||||
{
|
||||
soundId = BigLong( soundId );
|
||||
}
|
||||
targetBuffer.PutInt( soundId );
|
||||
}
|
||||
}
|
||||
|
||||
// finalize and write data
|
||||
Assert( sceneDataStart == targetBuffer.TellMaxPut() );
|
||||
for ( int i = 0; i < imageDirectory.Count(); i++ )
|
||||
{
|
||||
int iScene = writeOrder[i];
|
||||
targetBuffer.Put( g_SceneFiles[iScene].compiledBuffer.Base(), g_SceneFiles[iScene].compiledBuffer.TellMaxPut() );
|
||||
}
|
||||
|
||||
if ( !bQuiet )
|
||||
{
|
||||
Msg( "Scenes: Final size: %.2f MB\n", targetBuffer.TellMaxPut() / (1024.0f * 1024.0f ) );
|
||||
}
|
||||
|
||||
// cleanup
|
||||
g_SceneFiles.Purge();
|
||||
|
||||
return true;
|
||||
}
|
||||
Reference in New Issue
Block a user