void CAddWallTool::NotifyLeftClick( void )
{
CFVec2 vPos = CMMMContext::GetInstance().GetMouse()->GetPosition();
if ( m_uNumPoints > 1 && vPos.SquareDistance( m_vSegmentEnds[0] ) < fHANDLE_DIST*fHANDLE_DIST )
{
// close the wall segment.
m_vSegmentEnds[m_uNumPoints++] = m_vSegmentEnds[0];
CMMMContext::GetInstance().CreateWalls( m_vSegmentEnds, m_uNumPoints/2 );
#pragma warnmsg( "TODO: closed wall segments: fill?" )
m_uNumPoints = 0;
return;
}
// start the next segment:
m_vSegmentEnds[m_uNumPoints++] = vPos;
if ( m_uNumPoints > 1 )
{
// and finish the last one:
m_vSegmentEnds[m_uNumPoints++] = vPos;
}
}
void CAddWallTool::Render( void )
{
if ( 0 == m_uNumPoints )
{
return;
}
CFVec2 vPos = CMMMContext::GetInstance().GetMouse()->GetPosition();
m_vSegmentEnds[m_uNumPoints] = vPos;
if ( vPos.SquareDistance( m_vSegmentEnds[0] ) < fHANDLE_DIST*fHANDLE_DIST )
{
// close the wall segment, so show the snap.
m_vSegmentEnds[m_uNumPoints] = m_vSegmentEnds[0];
}
for ( UINT32 i=0; i<m_uNumPoints; i+=2 )
{
// draw in red
CMMMContext::GetInstance().DrawLine( m_vSegmentEnds[i], m_vSegmentEnds[i+1], 0xFFFF0000 );
}
}