672 lines
23 KiB
C++
672 lines
23 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include "mdllib_common.h"
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#include "mdllib_stripinfo.h"
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#include "mdllib_utils.h"
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#include "studio.h"
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#include "optimize.h"
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#include "materialsystem/imaterial.h"
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#include "materialsystem/hardwareverts.h"
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#include "smartptr.h"
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//////////////////////////////////////////////////////////////////////////
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//
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// CMdlStripInfo implementation
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//
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//////////////////////////////////////////////////////////////////////////
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CMdlStripInfo::CMdlStripInfo() :
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m_eMode( MODE_UNINITIALIZED ),
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m_lChecksumOld( 0 ),
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m_lChecksumNew( 0 )
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{
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NULL;
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}
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bool CMdlStripInfo::Serialize( CUtlBuffer &bufStorage ) const
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{
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char chHeader[ 4 ] = { 'M', 'A', 'P', m_eMode };
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bufStorage.Put( chHeader, sizeof( chHeader ) );
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switch ( m_eMode )
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{
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default:
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case MODE_UNINITIALIZED:
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return true;
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case MODE_NO_CHANGE:
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bufStorage.PutInt( m_lChecksumOld );
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bufStorage.PutInt( m_lChecksumNew );
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return true;
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case MODE_STRIP_LOD_1N:
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bufStorage.PutInt( m_lChecksumOld );
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bufStorage.PutInt( m_lChecksumNew );
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bufStorage.PutInt( m_vtxVerts.GetNumBits() );
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for ( uint32 const *pdwBase = m_vtxVerts.Base(), *pdwEnd = pdwBase + m_vtxVerts.GetNumDWords();
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pdwBase < pdwEnd; ++ pdwBase )
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bufStorage.PutUnsignedInt( *pdwBase );
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bufStorage.PutInt( m_vtxIndices.Count() );
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for ( unsigned short const *pusBase = m_vtxIndices.Base(), *pusEnd = pusBase + m_vtxIndices.Count();
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pusBase < pusEnd; ++ pusBase )
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bufStorage.PutUnsignedShort( *pusBase );
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bufStorage.PutInt( m_vtxMdlOffsets.Count() );
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for ( MdlRangeItem const *pmri = m_vtxMdlOffsets.Base(), *pmriEnd = pmri + m_vtxMdlOffsets.Count();
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pmri < pmriEnd; ++ pmri )
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bufStorage.PutInt( pmri->m_offOld ),
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bufStorage.PutInt( pmri->m_offNew ),
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bufStorage.PutInt( pmri->m_numOld ),
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bufStorage.PutInt( pmri->m_numNew );
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return true;
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}
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}
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bool CMdlStripInfo::UnSerialize( CUtlBuffer &bufData )
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{
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char chHeader[ 4 ];
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bufData.Get( chHeader, sizeof( chHeader ) );
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if ( memcmp( chHeader, "MAP", 3 ) )
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return false;
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switch ( chHeader[3] )
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{
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default:
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return false;
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case MODE_UNINITIALIZED:
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m_eMode = MODE_UNINITIALIZED;
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m_lChecksumOld = 0;
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m_lChecksumNew = 0;
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return true;
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case MODE_NO_CHANGE:
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m_eMode = MODE_NO_CHANGE;
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m_lChecksumOld = bufData.GetInt();
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m_lChecksumNew = bufData.GetInt();
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return true;
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case MODE_STRIP_LOD_1N:
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m_eMode = MODE_STRIP_LOD_1N;
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m_lChecksumOld = bufData.GetInt();
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m_lChecksumNew = bufData.GetInt();
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m_vtxVerts.Resize( bufData.GetInt(), true );
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for ( uint32 *pdwBase = m_vtxVerts.Base(), *pdwEnd = pdwBase + m_vtxVerts.GetNumDWords();
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pdwBase < pdwEnd; ++ pdwBase )
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*pdwBase = bufData.GetUnsignedInt();
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m_vtxIndices.SetCount( bufData.GetInt() );
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for ( unsigned short *pusBase = m_vtxIndices.Base(), *pusEnd = pusBase + m_vtxIndices.Count();
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pusBase < pusEnd; ++ pusBase )
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*pusBase = bufData.GetUnsignedShort();
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m_vtxMdlOffsets.SetCount( bufData.GetInt() );
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for ( MdlRangeItem *pmri = m_vtxMdlOffsets.Base(), *pmriEnd = pmri + m_vtxMdlOffsets.Count();
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pmri < pmriEnd; ++ pmri )
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pmri->m_offOld = bufData.GetInt(),
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pmri->m_offNew = bufData.GetInt(),
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pmri->m_numOld = bufData.GetInt(),
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pmri->m_numNew = bufData.GetInt();
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return true;
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}
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}
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// Returns the checksums that the stripping info was generated for:
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// plChecksumOriginal if non-NULL will hold the checksum of the original model submitted for stripping
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// plChecksumStripped if non-NULL will hold the resulting checksum of the stripped model
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bool CMdlStripInfo::GetCheckSum( long *plChecksumOriginal, long *plChecksumStripped ) const
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{
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if ( m_eMode == MODE_UNINITIALIZED )
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return false;
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if ( plChecksumOriginal )
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*plChecksumOriginal = m_lChecksumOld;
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if ( plChecksumStripped )
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*plChecksumStripped = m_lChecksumNew;
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return true;
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}
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//
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// StripHardwareVertsBuffer
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// The main function that strips the vhv buffer
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// vhvBuffer - vhv buffer, updated, size reduced
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//
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bool CMdlStripInfo::StripHardwareVertsBuffer( CUtlBuffer &vhvBuffer )
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{
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if ( m_eMode == MODE_UNINITIALIZED )
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return false;
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//
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// Recover vhv header
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//
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DECLARE_PTR( HardwareVerts::FileHeader_t, vhvHdr, BYTE_OFF_PTR( vhvBuffer.Base(), vhvBuffer.TellGet() ) );
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int vhvLength = vhvBuffer.TellPut() - vhvBuffer.TellGet();
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if ( vhvHdr->m_nChecksum != m_lChecksumOld )
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{
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DLog( "mdllib", 1, "ERROR: [StripHardwareVertsBuffer] checksum mismatch!\n" );
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return false;
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}
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vhvHdr->m_nChecksum = m_lChecksumNew;
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// No remapping required
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if ( m_eMode == MODE_NO_CHANGE )
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return true;
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Assert( m_eMode == MODE_STRIP_LOD_1N );
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//
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// Now reconstruct the vhv structures to do the mapping
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//
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CRemoveTracker vhvRemove;
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size_t vhvVertOffset = ~size_t( 0 ), vhvEndMeshOffset = sizeof( HardwareVerts::FileHeader_t );
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int numMeshesRemoved = 0, numVertsRemoved = 0;
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ITERATE_CHILDREN( HardwareVerts::MeshHeader_t, vhvMesh, vhvHdr, pMesh, m_nMeshes )
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if ( vhvMesh->m_nOffset < vhvVertOffset )
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vhvVertOffset = vhvMesh->m_nOffset;
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if ( BYTE_DIFF_PTR( vhvHdr, vhvMesh + 1 ) > vhvEndMeshOffset )
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vhvEndMeshOffset = BYTE_DIFF_PTR( vhvHdr, vhvMesh + 1 );
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if ( !vhvMesh->m_nLod )
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continue;
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vhvRemove.RemoveBytes( BYTE_OFF_PTR( vhvHdr, vhvMesh->m_nOffset ), vhvMesh->m_nVertexes * vhvHdr->m_nVertexSize );
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vhvRemove.RemoveElements( vhvMesh );
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numVertsRemoved += vhvMesh->m_nVertexes;
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++ numMeshesRemoved;
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ITERATE_END
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vhvRemove.RemoveBytes( BYTE_OFF_PTR( vhvHdr, vhvEndMeshOffset ), vhvVertOffset - vhvEndMeshOffset ); // Padding
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vhvRemove.RemoveBytes( BYTE_OFF_PTR( vhvHdr, vhvVertOffset + vhvHdr->m_nVertexes * vhvHdr->m_nVertexSize ), vhvLength - ( vhvVertOffset + vhvHdr->m_nVertexes * vhvHdr->m_nVertexSize ) );
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vhvRemove.Finalize();
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DLog( "mdllib", 3, " Stripped %d vhv bytes.\n", vhvRemove.GetNumBytesRemoved() );
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// Verts must be aligned from hdr, length must be aligned from hdr
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size_t vhvNewVertOffset = vhvRemove.ComputeOffset( vhvHdr, vhvVertOffset );
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size_t vhvAlignedVertOffset = ALIGN_VALUE( vhvNewVertOffset, 4 );
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ITERATE_CHILDREN( HardwareVerts::MeshHeader_t, vhvMesh, vhvHdr, pMesh, m_nMeshes )
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vhvMesh->m_nOffset = vhvRemove.ComputeOffset( vhvHdr, vhvMesh->m_nOffset ) + vhvAlignedVertOffset - vhvNewVertOffset;
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ITERATE_END
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vhvHdr->m_nMeshes -= numMeshesRemoved;
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vhvHdr->m_nVertexes -= numVertsRemoved;
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// Remove the memory
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vhvRemove.MemMove( vhvHdr, vhvLength ); // All padding has been removed
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size_t numBytesNewLength = vhvLength + vhvAlignedVertOffset - vhvNewVertOffset;
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size_t numAlignedNewLength = ALIGN_VALUE( numBytesNewLength, 4 );
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// Now reinsert the padding
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CInsertionTracker vhvInsertPadding;
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vhvInsertPadding.InsertBytes( BYTE_OFF_PTR( vhvHdr, vhvNewVertOffset ), vhvAlignedVertOffset - vhvNewVertOffset );
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vhvInsertPadding.InsertBytes( BYTE_OFF_PTR( vhvHdr, vhvLength ), numAlignedNewLength - numBytesNewLength );
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vhvInsertPadding.Finalize();
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DLog( "mdllib", 3, " Inserted %d alignment bytes.\n", vhvInsertPadding.GetNumBytesInserted() );
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vhvInsertPadding.MemMove( vhvHdr, vhvLength );
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// Update the buffer length
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vhvBuffer.SeekPut( CUtlBuffer::SEEK_CURRENT, vhvBuffer.TellGet() + vhvLength - vhvBuffer.TellPut() );
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DLog( "mdllib", 2, " Reduced vhv buffer by %d bytes.\n", vhvRemove.GetNumBytesRemoved() - vhvInsertPadding.GetNumBytesInserted() );
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// Done
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return true;
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}
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//
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// StripModelBuffer
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// The main function that strips the mdl buffer
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// mdlBuffer - mdl buffer, updated
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//
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bool CMdlStripInfo::StripModelBuffer( CUtlBuffer &mdlBuffer )
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{
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if ( m_eMode == MODE_UNINITIALIZED )
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return false;
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//
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// Recover mdl header
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//
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DECLARE_PTR( studiohdr_t, mdlHdr, BYTE_OFF_PTR( mdlBuffer.Base(), mdlBuffer.TellGet() ) );
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if ( mdlHdr->checksum != m_lChecksumOld )
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{
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DLog( "mdllib", 1, "ERROR: [StripModelBuffer] checksum mismatch!\n" );
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return false;
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}
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mdlHdr->checksum = m_lChecksumNew;
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// No remapping required
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if ( m_eMode == MODE_NO_CHANGE )
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return true;
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Assert( m_eMode == MODE_STRIP_LOD_1N );
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//
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// Do the model buffer stripping
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//
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CUtlSortVector< unsigned short, CLessSimple< unsigned short > > &srcIndices = m_vtxIndices;
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ITERATE_CHILDREN( mstudiobodyparts_t, mdlBodyPart, mdlHdr, pBodypart, numbodyparts )
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ITERATE_CHILDREN( mstudiomodel_t, mdlModel, mdlBodyPart, pModel, nummodels )
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DLog( "mdllib", 3, " Stripped %d vertexes (was: %d, now: %d).\n", mdlModel->numvertices - srcIndices.Count(), mdlModel->numvertices, srcIndices.Count() );
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mdlModel->numvertices = srcIndices.Count();
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ITERATE_CHILDREN( mstudiomesh_t, mdlMesh, mdlModel, pMesh, nummeshes )
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mdlMesh->numvertices = srcIndices.FindLess( mdlMesh->vertexoffset + mdlMesh->numvertices );
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mdlMesh->vertexoffset = srcIndices.FindLess( mdlMesh->vertexoffset ) + 1;
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mdlMesh->numvertices -= mdlMesh->vertexoffset - 1;
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// Truncate the number of vertexes
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for ( int k = 0; k < ARRAYSIZE( mdlMesh->vertexdata.numLODVertexes ); ++ k )
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mdlMesh->vertexdata.numLODVertexes[ k ] = mdlMesh->numvertices;
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ITERATE_END
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ITERATE_END
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ITERATE_END
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//
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// Update bones not to mention anything below LOD0
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//
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ITERATE_CHILDREN( mstudiobone_t, mdlBone, mdlHdr, pBone, numbones )
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mdlBone->flags &= ( BONE_USED_BY_VERTEX_LOD0 | ~BONE_USED_BY_VERTEX_MASK );
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ITERATE_END
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DLog( "mdllib", 3, " Updated %d bone(s).\n", mdlHdr->numbones );
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return true;
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}
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//
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// StripVertexDataBuffer
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// The main function that strips the vvd buffer
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// vvdBuffer - vvd buffer, updated, size reduced
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//
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bool CMdlStripInfo::StripVertexDataBuffer( CUtlBuffer &vvdBuffer )
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{
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if ( m_eMode == MODE_UNINITIALIZED )
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return false;
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//
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// Recover vvd header
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//
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DECLARE_PTR( vertexFileHeader_t, vvdHdr, BYTE_OFF_PTR( vvdBuffer.Base(), vvdBuffer.TellGet() ) );
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int vvdLength = vvdBuffer.TellPut() - vvdBuffer.TellGet();
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if ( vvdHdr->checksum != m_lChecksumOld )
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{
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DLog( "mdllib", 1, "ERROR: [StripVertexDataBuffer] checksum mismatch!\n" );
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return false;
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}
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vvdHdr->checksum = m_lChecksumNew;
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// No remapping required
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if ( m_eMode == MODE_NO_CHANGE )
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return true;
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Assert( m_eMode == MODE_STRIP_LOD_1N );
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//
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// Do the vertex data buffer stripping
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//
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CUtlSortVector< unsigned short, CLessSimple< unsigned short > > &srcIndices = m_vtxIndices;
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int mdlNumVerticesOld = vvdHdr->numLODVertexes[ 0 ];
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vvdHdr->numLODs = 1;
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for ( int k = 0; k < ARRAYSIZE( vvdHdr->numLODVertexes ); ++ k )
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vvdHdr->numLODVertexes[ k ] = srcIndices.Count();
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DECLARE_PTR( mstudiovertex_t, vvdVertexSrc, BYTE_OFF_PTR( vvdHdr, vvdHdr->vertexDataStart ) );
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DECLARE_PTR( Vector4D, vvdTangentSrc, vvdHdr->tangentDataStart ? BYTE_OFF_PTR( vvdHdr, vvdHdr->tangentDataStart ) : NULL );
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// Apply the fixups first of all
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if ( vvdHdr->numFixups )
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{
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CArrayAutoPtr< byte > memTempVVD( new byte[ vvdLength ] );
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DECLARE_PTR( mstudiovertex_t, vvdVertexNew, BYTE_OFF_PTR( memTempVVD.Get(), vvdHdr->vertexDataStart ) );
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DECLARE_PTR( Vector4D, vvdTangentNew, BYTE_OFF_PTR( memTempVVD.Get(), vvdHdr->tangentDataStart ) );
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DECLARE_PTR( vertexFileFixup_t, vvdFixup, BYTE_OFF_PTR( vvdHdr, vvdHdr->fixupTableStart ) );
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for ( int k = 0; k < vvdHdr->numFixups; ++ k )
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{
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memcpy( vvdVertexNew, vvdVertexSrc + vvdFixup[ k ].sourceVertexID, vvdFixup[ k ].numVertexes * sizeof( *vvdVertexNew ) );
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vvdVertexNew += vvdFixup[ k ].numVertexes;
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if ( vvdTangentSrc )
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{
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memcpy( vvdTangentNew, vvdTangentSrc + vvdFixup[ k ].sourceVertexID, vvdFixup[ k ].numVertexes * sizeof( *vvdTangentNew ) );
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vvdTangentNew += vvdFixup[ k ].numVertexes;
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}
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}
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// Move back the memory after fixups were applied
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vvdVertexSrc ? memcpy( vvdVertexSrc, BYTE_OFF_PTR( memTempVVD.Get(), vvdHdr->vertexDataStart ), mdlNumVerticesOld * sizeof( *vvdVertexSrc ) ) : 0;
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vvdTangentSrc ? memcpy( vvdTangentSrc, BYTE_OFF_PTR( memTempVVD.Get(), vvdHdr->tangentDataStart ), mdlNumVerticesOld * sizeof( *vvdTangentSrc ) ) : 0;
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}
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vvdHdr->vertexDataStart -= ALIGN_VALUE( sizeof( vertexFileFixup_t ) * vvdHdr->numFixups, 16 );
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vvdHdr->numFixups = 0;
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DECLARE_PTR( mstudiovertex_t, vvdVertexNew, BYTE_OFF_PTR( vvdHdr, vvdHdr->vertexDataStart ) );
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for ( int k = 0; k < srcIndices.Count(); ++ k )
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vvdVertexNew[ k ] = vvdVertexSrc[ srcIndices[ k ] ];
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size_t newVertexDataSize = srcIndices.Count() * sizeof( mstudiovertex_t );
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int vvdLengthOld = vvdLength;
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vvdLength = vvdHdr->vertexDataStart + newVertexDataSize;
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if ( vvdTangentSrc )
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{
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// Move the tangents
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vvdHdr->tangentDataStart = vvdLength;
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DECLARE_PTR( Vector4D, vvdTangentNew, BYTE_OFF_PTR( vvdHdr, vvdHdr->tangentDataStart ) );
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for ( int k = 0; k < srcIndices.Count(); ++ k )
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vvdTangentNew[ k ] = vvdTangentSrc[ srcIndices[ k ] ];
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vvdLength += srcIndices.Count() * sizeof( Vector4D );
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}
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vvdBuffer.SeekPut( CUtlBuffer::SEEK_CURRENT, vvdBuffer.TellGet() + vvdLength - vvdBuffer.TellPut() );
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DLog( "mdllib", 3, " Stripped %d vvd bytes.\n", vvdLengthOld - vvdLength );
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return true;
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}
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//
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// StripOptimizedModelBuffer
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// The main function that strips the vtx buffer
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// vtxBuffer - vtx buffer, updated, size reduced
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//
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bool CMdlStripInfo::StripOptimizedModelBuffer( CUtlBuffer &vtxBuffer )
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{
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if ( m_eMode == MODE_UNINITIALIZED )
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return false;
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//
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// Recover vtx header
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//
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DECLARE_PTR( OptimizedModel::FileHeader_t, vtxHdr, BYTE_OFF_PTR( vtxBuffer.Base(), vtxBuffer.TellGet() ) );
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int vtxLength = vtxBuffer.TellPut() - vtxBuffer.TellGet();
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if ( vtxHdr->checkSum != m_lChecksumOld )
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{
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DLog( "mdllib", 1, "ERROR: [StripOptimizedModelBuffer] checksum mismatch!\n" );
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return false;
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}
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vtxHdr->checkSum = m_lChecksumNew;
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// No remapping required
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if ( m_eMode == MODE_NO_CHANGE )
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return true;
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Assert( m_eMode == MODE_STRIP_LOD_1N );
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//
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// Do the optimized model buffer stripping
|
|
//
|
|
|
|
CUtlSortVector< unsigned short, CLessSimple< unsigned short > > &srcIndices = m_vtxIndices;
|
|
CUtlSortVector< CMdlStripInfo::MdlRangeItem, CLessSimple< CMdlStripInfo::MdlRangeItem > > &arrMdlOffsets = m_vtxMdlOffsets;
|
|
|
|
size_t vtxOffIndexBuffer = ~size_t(0), vtxOffIndexBufferEnd = 0;
|
|
size_t vtxOffVertexBuffer = ~size_t(0), vtxOffVertexBufferEnd = 0;
|
|
CRemoveTracker vtxRemove;
|
|
CUtlVector< size_t > vtxOffIndex;
|
|
CUtlVector< size_t > vtxOffVertex;
|
|
|
|
vtxRemove.RemoveElements( CHILD_AT( vtxHdr, pMaterialReplacementList, 1 ), vtxHdr->numLODs - 1 );
|
|
ITERATE_CHILDREN( OptimizedModel::MaterialReplacementListHeader_t, vtxMatList, vtxHdr, pMaterialReplacementList, numLODs )
|
|
if ( !vtxMatList_idx ) continue;
|
|
vtxRemove.RemoveElements( CHILD_AT( vtxMatList, pMaterialReplacement, 0 ), vtxMatList->numReplacements );
|
|
ITERATE_CHILDREN( OptimizedModel::MaterialReplacementHeader_t, vtxMat, vtxMatList, pMaterialReplacement, numReplacements )
|
|
char const *szName = vtxMat->pMaterialReplacementName();
|
|
vtxRemove.RemoveElements( szName, szName ? strlen( szName ) + 1 : 0 );
|
|
ITERATE_END
|
|
ITERATE_END
|
|
|
|
ITERATE_CHILDREN( OptimizedModel::BodyPartHeader_t, vtxBodyPart, vtxHdr, pBodyPart, numBodyParts )
|
|
ITERATE_CHILDREN( OptimizedModel::ModelHeader_t, vtxModel, vtxBodyPart, pModel, numModels )
|
|
|
|
vtxRemove.RemoveElements( CHILD_AT( vtxModel, pLOD, 1 ), vtxModel->numLODs - 1 );
|
|
ITERATE_CHILDREN( OptimizedModel::ModelLODHeader_t, vtxLod, vtxModel, pLOD, numLODs )
|
|
if ( !vtxLod_idx ) // Process only lod1-N
|
|
continue;
|
|
|
|
vtxRemove.RemoveElements( CHILD_AT( vtxLod, pMesh, 0 ), vtxLod->numMeshes );
|
|
ITERATE_CHILDREN( OptimizedModel::MeshHeader_t, vtxMesh, vtxLod, pMesh, numMeshes )
|
|
vtxRemove.RemoveElements( CHILD_AT( vtxMesh, pStripGroup, 0 ), vtxMesh->numStripGroups );
|
|
ITERATE_CHILDREN( OptimizedModel::StripGroupHeader_t, vtxStripGroup, vtxMesh, pStripGroup, numStripGroups )
|
|
vtxRemove.RemoveElements( CHILD_AT( vtxStripGroup, pStrip, 0 ), vtxStripGroup->numStrips );
|
|
ITERATE_CHILDREN( OptimizedModel::StripHeader_t, vtxStrip, vtxStripGroup, pStrip, numStrips )
|
|
vtxRemove.RemoveElements( CHILD_AT( vtxStrip, pBoneStateChange, 0 ), vtxStrip->numBoneStateChanges );
|
|
ITERATE_END
|
|
ITERATE_END
|
|
ITERATE_END
|
|
|
|
ITERATE_END
|
|
|
|
// Use all lods to determine the ranges of vertex and index buffers.
|
|
// We rely on the fact that vertex and index buffers are laid out as one solid memory block for all lods.
|
|
ITERATE_CHILDREN( OptimizedModel::ModelLODHeader_t, vtxLod, vtxModel, pLOD, numLODs )
|
|
ITERATE_CHILDREN( OptimizedModel::MeshHeader_t, vtxMesh, vtxLod, pMesh, numMeshes )
|
|
ITERATE_CHILDREN( OptimizedModel::StripGroupHeader_t, vtxStripGroup, vtxMesh, pStripGroup, numStripGroups )
|
|
|
|
size_t offIndex = BYTE_DIFF_PTR( vtxHdr, CHILD_AT( vtxStripGroup, pIndex, 0 ) );
|
|
size_t offIndexEnd = BYTE_DIFF_PTR( vtxHdr, CHILD_AT( vtxStripGroup, pIndex, vtxStripGroup->numIndices ) );
|
|
size_t offVertex = BYTE_DIFF_PTR( vtxHdr, CHILD_AT( vtxStripGroup, pVertex, 0 ) );
|
|
size_t offVertexEnd = BYTE_DIFF_PTR( vtxHdr, CHILD_AT( vtxStripGroup, pVertex, vtxStripGroup->numVerts ) );
|
|
|
|
if ( offIndex < vtxOffIndexBuffer )
|
|
vtxOffIndexBuffer = offIndex;
|
|
if ( offIndexEnd > vtxOffIndexBufferEnd )
|
|
vtxOffIndexBufferEnd = offIndexEnd;
|
|
if ( offVertex < vtxOffVertexBuffer )
|
|
vtxOffVertexBuffer = offVertex;
|
|
if ( offVertexEnd > vtxOffVertexBufferEnd )
|
|
vtxOffVertexBufferEnd = offVertexEnd;
|
|
|
|
if ( !vtxLod_idx )
|
|
{
|
|
vtxOffIndex.AddToTail( offIndex );
|
|
vtxOffIndex.AddToTail( offIndexEnd );
|
|
vtxOffVertex.AddToTail( offVertex );
|
|
vtxOffVertex.AddToTail( offVertexEnd );
|
|
}
|
|
|
|
ITERATE_END
|
|
ITERATE_END
|
|
ITERATE_END
|
|
|
|
ITERATE_END
|
|
ITERATE_END
|
|
|
|
// Fixup the vertex buffer
|
|
DECLARE_PTR( OptimizedModel::Vertex_t, vtxVertexBuffer, BYTE_OFF_PTR( vtxHdr, vtxOffVertexBuffer ) );
|
|
DECLARE_PTR( OptimizedModel::Vertex_t, vtxVertexBufferEnd, BYTE_OFF_PTR( vtxHdr, vtxOffVertexBufferEnd ) );
|
|
CUtlVector< int > vtxIndexDeltas;
|
|
vtxIndexDeltas.EnsureCapacity( vtxVertexBufferEnd - vtxVertexBuffer );
|
|
int vtxNumVertexRemoved = 0;
|
|
for ( OptimizedModel::Vertex_t *vtxVertexElement = vtxVertexBuffer; vtxVertexElement < vtxVertexBufferEnd; ++ vtxVertexElement )
|
|
{
|
|
size_t const off = BYTE_DIFF_PTR( vtxHdr, vtxVertexElement );
|
|
bool bUsed = false;
|
|
for ( int k = 0; k < vtxOffVertex.Count(); k += 2 )
|
|
{
|
|
if ( off >= vtxOffVertex[ k ] && off < vtxOffVertex[ k + 1 ] )
|
|
{
|
|
bUsed = true;
|
|
break;
|
|
}
|
|
}
|
|
if ( !bUsed )
|
|
{
|
|
// Index is not in use
|
|
vtxRemove.RemoveElements( vtxVertexElement );
|
|
vtxIndexDeltas.AddToTail( 0 );
|
|
vtxNumVertexRemoved ++;
|
|
}
|
|
else
|
|
{ // Index is in use and must be remapped
|
|
// Find the mesh where this index belongs
|
|
int iMesh = arrMdlOffsets.FindLessOrEqual( MdlRangeItem( 0, 0, vtxVertexElement - vtxVertexBuffer ) );
|
|
Assert( iMesh >= 0 && iMesh < arrMdlOffsets.Count() );
|
|
|
|
MdlRangeItem &mri = arrMdlOffsets[ iMesh ];
|
|
Assert( ( vtxVertexElement - vtxVertexBuffer >= mri.m_offNew ) && ( vtxVertexElement - vtxVertexBuffer < mri.m_offNew + mri.m_numNew ) );
|
|
|
|
Assert( m_vtxVerts.IsBitSet( vtxVertexElement->origMeshVertID + mri.m_offOld ) );
|
|
vtxVertexElement->origMeshVertID = srcIndices.Find( vtxVertexElement->origMeshVertID + mri.m_offOld ) - mri.m_offNew;
|
|
Assert( vtxVertexElement->origMeshVertID < mri.m_numNew );
|
|
vtxIndexDeltas.AddToTail( vtxNumVertexRemoved );
|
|
}
|
|
}
|
|
|
|
// Fixup the index buffer
|
|
DECLARE_PTR( unsigned short, vtxIndexBuffer, BYTE_OFF_PTR( vtxHdr, vtxOffIndexBuffer ) );
|
|
DECLARE_PTR( unsigned short, vtxIndexBufferEnd, BYTE_OFF_PTR( vtxHdr, vtxOffIndexBufferEnd ) );
|
|
for ( unsigned short *vtxIndexElement = vtxIndexBuffer; vtxIndexElement < vtxIndexBufferEnd; ++ vtxIndexElement )
|
|
{
|
|
size_t const off = BYTE_DIFF_PTR( vtxHdr, vtxIndexElement );
|
|
bool bUsed = false;
|
|
for ( int k = 0; k < vtxOffIndex.Count(); k += 2 )
|
|
{
|
|
if ( off >= vtxOffIndex[ k ] && off < vtxOffIndex[ k + 1 ] )
|
|
{
|
|
bUsed = true;
|
|
break;
|
|
}
|
|
}
|
|
if ( !bUsed )
|
|
{
|
|
// Index is not in use
|
|
vtxRemove.RemoveElements( vtxIndexElement );
|
|
}
|
|
else
|
|
{
|
|
// Index is in use and must be remapped
|
|
*vtxIndexElement -= vtxIndexDeltas[ *vtxIndexElement ];
|
|
}
|
|
}
|
|
|
|
// By now should have scheduled all removal information
|
|
vtxRemove.Finalize();
|
|
DLog( "mdllib", 3, " Stripped %d vtx bytes.\n", vtxRemove.GetNumBytesRemoved() );
|
|
|
|
//
|
|
// Fixup all the offsets
|
|
//
|
|
ITERATE_CHILDREN( OptimizedModel::MaterialReplacementListHeader_t, vtxMatList, vtxHdr, pMaterialReplacementList, numLODs )
|
|
ITERATE_CHILDREN( OptimizedModel::MaterialReplacementHeader_t, vtxMat, vtxMatList, pMaterialReplacement, numReplacements )
|
|
vtxMat->replacementMaterialNameOffset = vtxRemove.ComputeOffset( vtxMat, vtxMat->replacementMaterialNameOffset );
|
|
ITERATE_END
|
|
vtxMatList->replacementOffset = vtxRemove.ComputeOffset( vtxMatList, vtxMatList->replacementOffset );
|
|
ITERATE_END
|
|
ITERATE_CHILDREN( OptimizedModel::BodyPartHeader_t, vtxBodyPart, vtxHdr, pBodyPart, numBodyParts )
|
|
ITERATE_CHILDREN( OptimizedModel::ModelHeader_t, vtxModel, vtxBodyPart, pModel, numModels )
|
|
ITERATE_CHILDREN( OptimizedModel::ModelLODHeader_t, vtxLod, vtxModel, pLOD, numLODs )
|
|
ITERATE_CHILDREN( OptimizedModel::MeshHeader_t, vtxMesh, vtxLod, pMesh, numMeshes )
|
|
ITERATE_CHILDREN( OptimizedModel::StripGroupHeader_t, vtxStripGroup, vtxMesh, pStripGroup, numStripGroups )
|
|
|
|
ITERATE_CHILDREN( OptimizedModel::StripHeader_t, vtxStrip, vtxStripGroup, pStrip, numStrips )
|
|
vtxStrip->indexOffset =
|
|
vtxRemove.ComputeOffset( vtxStripGroup, vtxStripGroup->indexOffset + vtxStrip->indexOffset ) -
|
|
vtxRemove.ComputeOffset( vtxStripGroup, vtxStripGroup->indexOffset );
|
|
vtxStrip->vertOffset =
|
|
vtxRemove.ComputeOffset( vtxStripGroup, vtxStripGroup->vertOffset + vtxStrip->vertOffset ) -
|
|
vtxRemove.ComputeOffset( vtxStripGroup, vtxStripGroup->vertOffset );
|
|
vtxStrip->boneStateChangeOffset = vtxRemove.ComputeOffset( vtxStrip, vtxStrip->boneStateChangeOffset );
|
|
ITERATE_END
|
|
|
|
vtxStripGroup->vertOffset = vtxRemove.ComputeOffset( vtxStripGroup, vtxStripGroup->vertOffset );
|
|
vtxStripGroup->indexOffset = vtxRemove.ComputeOffset( vtxStripGroup, vtxStripGroup->indexOffset );
|
|
vtxStripGroup->stripOffset = vtxRemove.ComputeOffset( vtxStripGroup, vtxStripGroup->stripOffset );
|
|
ITERATE_END
|
|
vtxMesh->stripGroupHeaderOffset = vtxRemove.ComputeOffset( vtxMesh, vtxMesh->stripGroupHeaderOffset );
|
|
ITERATE_END
|
|
vtxLod->meshOffset = vtxRemove.ComputeOffset( vtxLod, vtxLod->meshOffset );
|
|
ITERATE_END
|
|
vtxModel->lodOffset = vtxRemove.ComputeOffset( vtxModel, vtxModel->lodOffset );
|
|
vtxModel->numLODs = 1;
|
|
ITERATE_END
|
|
vtxBodyPart->modelOffset = vtxRemove.ComputeOffset( vtxBodyPart, vtxBodyPart->modelOffset );
|
|
ITERATE_END
|
|
vtxHdr->materialReplacementListOffset = vtxRemove.ComputeOffset( vtxHdr, vtxHdr->materialReplacementListOffset );
|
|
vtxHdr->bodyPartOffset = vtxRemove.ComputeOffset( vtxHdr, vtxHdr->bodyPartOffset );
|
|
vtxHdr->numLODs = 1;
|
|
|
|
// Perform final memory move
|
|
vtxRemove.MemMove( vtxHdr, vtxLength );
|
|
|
|
vtxBuffer.SeekPut( CUtlBuffer::SEEK_CURRENT, vtxBuffer.TellGet() + vtxLength - vtxBuffer.TellPut() );
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Auxilliary methods
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
void CMdlStripInfo::DeleteThis()
|
|
{
|
|
delete this;
|
|
}
|
|
|
|
void CMdlStripInfo::Reset()
|
|
{
|
|
m_eMode = MODE_UNINITIALIZED;
|
|
m_lChecksumOld = 0;
|
|
m_lChecksumNew = 0;
|
|
|
|
m_vtxVerts.Resize( 0 );
|
|
m_vtxIndices.RemoveAll();
|
|
}
|
|
|