void CCmdSetVertexAlpha::Execute()
{
CCmd::Execute();
COperator * pOperator = CXFile::GetInstance()->GetOperator();
CTerrainMesh * pTerrainMesh = CXFile::GetInstance()->GetTerrainMesh();
// for the first time
if ( 0 == m_processParams.dwBrushSize )
{
memcpy(&m_processParams,pOperator->GetProcessParams(),sizeof(COperator::SProcessParams));
m_processParams.pObjectHot.grab();
}
CTerrainMesh::SGrid & grid = pTerrainMesh->GetGrid(m_processParams.dwGridIndexHot);
int nVertexIndexHot = grid.dwVertexIndex[0];
for ( std::vector<SVertex>::iterator iter = m_vecDiffs.begin(); iter != m_vecDiffs.end(); ++iter )
{
if ( m_processParams.eSetWayType == COperator::ESWT_CUT )
{
pTerrainMesh->CutVertexAlpha(iter->dwVertexIndex);
continue;
}
switch ( m_processParams.eSetAxisType )
{
case COperator::EAT_X:
{
switch ( m_processParams.eSetAlphaType )
{
case COperator::ESAT_LINEAR:
{
switch ( m_processParams.eSetWayType )
{
case COperator::ESWT_INC:
{
pTerrainMesh->IncLinearVertexAlphaX(iter->dwVertexIndex);
}
break;
case COperator::ESWT_DEC:
{
pTerrainMesh->DecLinearVertexAlphaX(iter->dwVertexIndex);
}
break;
}
}
break;
}
}
break;
case COperator::EAT_Z:
{
switch ( m_processParams.eSetAlphaType )
{
case COperator::ESAT_LINEAR:
{
switch ( m_processParams.eSetWayType )
{
case COperator::ESWT_INC:
{
pTerrainMesh->IncLinearVertexAlphaZ(iter->dwVertexIndex);
}
break;
case COperator::ESWT_DEC:
{
pTerrainMesh->DecLinearVertexAlphaZ(iter->dwVertexIndex);
}
break;
}
}
break;
}
}
break;
case COperator::EAT_BOTH:
{
switch ( m_processParams.eSetAlphaType )
{
case COperator::ESAT_LINEAR:
{
switch ( m_processParams.eSetWayType )
{
case COperator::ESWT_INC:
{
pTerrainMesh->IncLinearVertexAlphaB(iter->dwVertexIndex, nVertexIndexHot);
}
break;
case COperator::ESWT_DEC:
{
pTerrainMesh->DecLinearVertexAlphaB(iter->dwVertexIndex);
}
break;
}
}
break;
}
}
break;
}
}
}
