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初步修复

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Cussrro 2024-12-19 09:48:26 +08:00
parent 8fc4357cc6
commit e4714f3f0e
46705 changed files with 12004901 additions and 0 deletions
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315
Common/EternityEngine/D3DDevice9/EtCustomMeshStream.cpp Normal file
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#include "StdAfx.h"
#include "EtCustomMeshStream.h"
#ifdef _DEBUG
#define new new(_NORMAL_BLOCK,__FILE__,__LINE__)
#endif
CEtCustomMeshStream::CEtCustomMeshStream(void)
{
m_pVB = NULL;
m_pLockedVB = NULL;
m_pIB = NULL;
m_pwLockedIB = NULL;
m_nIndexCount = 0;
m_nVertexCount = 0;
m_nStride = 0;
m_nVertexBufferSize = 0;
m_nIndexBufferSize = 0;
m_Type = PT_TRIANGLELIST;
}
CEtCustomMeshStream::~CEtCustomMeshStream(void)
{
Clear();
}
void CEtCustomMeshStream::Clear()
{
ReleaseVB();
ReleaseIB();
m_nIndexCount = 0;
m_nVertexCount = 0;
m_nStride = 0;
m_nVertexBufferSize = 0;
m_nIndexBufferSize = 0;
m_Type = PT_TRIANGLELIST;
}
char *CEtCustomMeshStream::LockVB()
{
if( m_pLockedVB )
{
return m_pLockedVB;
}
m_pVB->Lock( 0, m_nVertexBufferSize, ( void ** )&m_pLockedVB, 0 );
return m_pLockedVB;
}
void CEtCustomMeshStream::UnlockVB()
{
if( m_pLockedVB )
{
m_pVB->Unlock();
m_pLockedVB = NULL;
}
}
void CEtCustomMeshStream::ReleaseVB()
{
UnlockVB();
SAFE_RELEASE( m_pVB );
}
WORD *CEtCustomMeshStream::LockIB()
{
if( m_pwLockedIB )
{
return m_pwLockedIB;
}
m_pIB->Lock( 0, m_nIndexBufferSize, ( void ** )&m_pwLockedIB, 0 );
return m_pwLockedIB;
}
void CEtCustomMeshStream::UnlockIB()
{
if( m_pwLockedIB )
{
m_pIB->Unlock();
m_pwLockedIB = NULL;
}
}
void CEtCustomMeshStream::ReleaseIB()
{
UnlockIB();
SAFE_RELEASE( m_pIB);
}
void CEtCustomMeshStream::LoadVertexStream( CStream *pStream, int nVertexCount, int nStride )
{
bool bCreate = true;
if( m_nVertexBufferSize >= nVertexCount * nStride )
{
bCreate = false;
}
if( bCreate )
{
ReleaseVB();
m_nVertexBufferSize = nVertexCount * nStride;
m_pVB = GetEtDevice()->CreateVertexBuffer( m_nVertexBufferSize, 0 );
}
m_nVertexCount = nVertexCount;
m_nStride = nStride;
char *pBuffer = LockVB();
pStream->Read( pBuffer, nStride * nVertexCount );
}
void CEtCustomMeshStream::AddVertexStream( CStream *pStream, int nVertexCount, int nStride )
{
bool bCreate = true;
if( ( m_nStride != 0 ) && ( m_nStride != nStride ) )
{
ASSERT( 0 && "Invalid Usage Dynamic VertexBuffer" );
return;
}
if( m_nVertexBufferSize >= m_nVertexCount * m_nStride + nVertexCount * nStride )
{
bCreate = false;
}
char *pTargetBuf;
if( bCreate )
{
m_nVertexBufferSize = m_nVertexCount * m_nStride + nVertexCount * nStride;
EtVertexBuffer *pNewVB = GetEtDevice()->CreateVertexBuffer( m_nVertexBufferSize, 0 );
if( m_nVertexCount > 0 )
{
char *pSourBuf = LockVB();
pNewVB->Lock( 0, m_nVertexBufferSize, ( void ** )&pTargetBuf, 0 );
memcpy( pTargetBuf, pSourBuf, m_nVertexCount * m_nStride );
pNewVB->Unlock();
}
ReleaseVB();
m_pVB = pNewVB;
}
pTargetBuf = LockVB();
if( !pTargetBuf ) {
return;
}
pStream->Read( pTargetBuf + m_nVertexCount * m_nStride, nStride * nVertexCount );
m_nVertexCount += nVertexCount;
m_nStride = nStride;
}
void CEtCustomMeshStream::LoadIndexStream( CStream *pStream, int nIndexCount )
{
bool bCreate = true;
if( m_nIndexBufferSize >= ( int )( nIndexCount * sizeof( WORD ) ) )
{
bCreate = false;
}
if( bCreate )
{
ReleaseIB();
m_nIndexBufferSize = nIndexCount * sizeof( WORD );
m_pIB = GetEtDevice()->CreateIndexBuffer( m_nIndexBufferSize );
}
m_nIndexCount = nIndexCount;
WORD *pwBuffer;
pwBuffer = LockIB();
pStream->Read( pwBuffer, sizeof( WORD ) * nIndexCount );
}
void CEtCustomMeshStream::AddIndexStream( CStream *pStream, int nIndexCount )
{
bool bCreate = true;
if( m_nIndexBufferSize >= ( int )( ( nIndexCount + m_nIndexCount ) * sizeof( WORD ) ) )
{
bCreate = false;
}
WORD *pTargetBuf;
if( bCreate )
{
m_nIndexBufferSize = ( m_nIndexCount + nIndexCount ) * sizeof( WORD );
EtIndexBuffer *pNewIB = GetEtDevice()->CreateIndexBuffer( m_nIndexBufferSize );
if( m_nIndexCount > 0 )
{
WORD *pSourBuf = LockIB();
pNewIB->Lock( 0, m_nIndexBufferSize, ( void ** )&pTargetBuf, 0 );
memcpy( pTargetBuf, pSourBuf, m_nIndexCount * sizeof( WORD ) );
pNewIB->Unlock();
}
ReleaseIB();
m_pIB = pNewIB;
}
pTargetBuf = LockIB();
pStream->Read( pTargetBuf + m_nIndexCount, nIndexCount * sizeof( WORD ) );
m_nIndexCount += nIndexCount;
}
void CEtCustomMeshStream::Draw( int nVertexDeclIndex, int nDrawStart, int nDrawCount )
{
if( !m_pVB )
{
return;
}
if( nVertexDeclIndex != -1 )
{
GetEtDevice()->SetVertexDeclaration( nVertexDeclIndex );
}
UnlockVB();
UnlockIB();
GetEtDevice()->SetStreamSource( 0, m_pVB, m_nStride );
if( m_pIB )
{
switch( m_Type )
{
case PT_POINTLIST:
if( nDrawCount == 0 )
{
nDrawCount = m_nIndexCount;
}
break;
case PT_LINELIST:
if( nDrawCount == 0 )
{
nDrawCount = m_nIndexCount / 2;
}
nDrawStart = nDrawStart * 2;
break;
case PT_LINESTRIP:
if( nDrawCount == 0 )
{
nDrawCount = m_nIndexCount - 1;
}
break;
case PT_TRIANGLELIST:
if( nDrawCount == 0 )
{
nDrawCount = m_nIndexCount / 3;
}
nDrawStart = nDrawStart * 3;
break;
case PT_TRIANGLESTRIP:
if( nDrawCount == 0 )
{
nDrawCount = m_nIndexCount - 2;
}
break;
case PT_TRIANGLEFAN:
if( nDrawCount == 0 )
{
nDrawCount = m_nIndexCount - 2;
}
nDrawStart = 0;
break;
}
GetEtDevice()->SetIndexBuffer( m_pIB );
GetEtDevice()->DrawIndexedPrimitive( m_Type, 0, m_nVertexCount, nDrawStart, nDrawCount );
}
else
{
switch( m_Type )
{
case PT_POINTLIST:
if( nDrawCount == 0 )
{
nDrawCount = m_nVertexCount;
}
break;
case PT_LINELIST:
if( nDrawCount == 0 )
{
nDrawCount = m_nVertexCount / 2;
}
nDrawStart = nDrawStart * 2;
break;
case PT_LINESTRIP:
if( nDrawCount == 0 )
{
nDrawCount = m_nVertexCount - 1;
}
break;
case PT_TRIANGLELIST:
if( nDrawCount == 0 )
{
nDrawCount = m_nVertexCount / 3;
}
nDrawStart = nDrawStart * 3;
break;
case PT_TRIANGLESTRIP:
if( nDrawCount == 0 )
{
nDrawCount = m_nVertexCount - 2;
}
break;
case PT_TRIANGLEFAN:
if( nDrawCount == 0 )
{
nDrawCount = m_nVertexCount - 2;
}
nDrawStart = 0;
break;
}
GetEtDevice()->DrawPrimitive( m_Type, nDrawStart, nDrawCount );
}
}