// 选中点的操作
void CPathFindEditDlg::DoSelPoint()
{
if(NULL == m_pListboxPointInRegion)
{
return;
}
// 得到选中的索引
int iIndex = m_pListboxPointInRegion->GetSelection();
unsigned long ulPointId = 0;
if(-1 != iIndex)
{
// 得到点id
ulPointId = (unsigned long)m_pListboxPointInRegion->GetClientData(iIndex);
if(m_pAction)
{
DWORD dwOldID = m_ulCurPointId;
DWORD dwMax, dwMin;
FLOAT fDistance = 0.0f;
Ogre::Vector3 p1, p2;
//设置选中点
m_ulCurPointId = ulPointId;
m_pAction->SelPoint(ulPointId);
//求原先的选中点和新的选中点的折线距离
CUnreachRegion* pRegion = m_pAction->GetRegionById( m_ulCurRegionId );
if( dwOldID != m_ulCurPointId && pRegion )
{
//试图得到原先点和选中点间的每一个点
dwMax = dwOldID > m_ulCurPointId ? dwOldID : m_ulCurPointId;
dwMin = dwOldID > m_ulCurPointId ? m_ulCurPointId : dwOldID;
for( DWORD dw = dwMin; dw <= dwMax; dw ++ )
{
CPointInfo* pPoint = pRegion->GetPointInfoById1(dw);
if( !pPoint ) continue;
if( dw == dwMin )
{
p1 = pPoint->GetPosition();
}
else
{
p2 = pPoint->GetPosition();
fDistance += sqrtf( ( p1.x - p2.x ) * ( p1.x - p2.x ) + ( p1.y - p2.y ) * ( p1.y - p2.y ) + ( p1.z - p2.z ) * ( p1.z - p2.z ) );
p1 = p2;
}
}
}
}
}
}
// 点选择listbox响应的事件函数
void CPathFindEditDlg::OnPointListBox(wxCommandEvent &event)
{
if (event.GetInt() == -1)
{
return;
}
if(event.GetId() == ID_LISTBOX_POINT)
{
int iIndex = m_pListboxPointInRegion->GetSelection();
if( iIndex != -1 )
{
CPointInfo* pInfo = m_pAction->GetRegionById( m_pAction->GetCurEditRegionId() )->GetPointInfoByIndex1( iIndex );
if( pInfo )
{
float fTerrainDataPosX = m_pAction->getTerrainData()->mPosition.x;
float fTerrainDataPosZ = m_pAction->getTerrainData()->mPosition.z;
float fScale = 1.0;
if( m_pAction->getSceneManipulator() )
{
fScale = m_pAction->getSceneManipulator()->getBaseScale();
if(abs((float)fScale) < 0.00001) fScale = 1.0;
}
Ogre::Vector3 position = pInfo->GetPosition();
char buf[128];
sprintf( buf, "%.4f", (position.x - fTerrainDataPosX) / fScale );
m_pPointX->Clear();
m_pPointX->WriteText( buf );
sprintf( buf, "%.4f", (position.z - fTerrainDataPosZ) / fScale );
m_pPointZ->Clear();
m_pPointZ->WriteText( buf );
}
}
DoSelPoint();
}
}
