int __cdecl GetTrainNodeNearPoint(float fX, float fY, float fZ, int pTrackIDresult)
{
   int trackLineResult; // edi@1
   signed int trackID; // esi@1
   int zero; // ST14_4@1
   int trackLine; // ecx@2
   int pPoint; // edx@3
   int pStartPointsData; // eax@4
   long double distance; // fst5@4
   signed int point.x; // ebp@4
   int pPointData; // eax@4
   float point.z; // ST2C_4@4
   float subX; // ST18_4@4
   long double subY; // fst7@4
   float resultDistance; // [sp+10h] [bp-20h]@1

   trackLineResult = zero;
   LODWORD(resultDistance) = 0x47C34FF3u;        // 99999.898
   trackID = 0;
   do
   {
     trackLine = 0;
     if ( tracksDatLineCount[trackID] > 0 )
     {
       pPoint = 0;
       do
       {
         pStartPointsData = tracksDatContents[trackID];
         point.x = *(pStartPointsData + pPoint);
         pPointData = pPoint + pStartPointsData;
         point.z = *(pPointData + 4) * 0.125;
         subX = fX - point.x * 0.125;
         subY = fY - *(pPointData + 2) * 0.125;
         distance = sqrt((fZ - point.z) * (fZ - point.z) + subY * subY + subX * subX);
         if ( distance < resultDistance )
         {
           resultDistance = distance;
           trackLineResult = trackLine;
           *pTrackIDresult = trackID;
         }
         ++trackLine;
         pPoint += 10;
       }
       while ( trackLine < tracksDatLineCount[trackID] );
     }
     ++trackID;
   }
   while ( trackID < 4 );
   return trackLineResult;
}