void GameWorldBase::RecalcBQAroundPointBig(const MapPoint pt)
{
// Point and radius 1
RecalcBQAroundPoint(pt);
// And radius 2
for(unsigned i = 0; i < 12; ++i)
RecalcBQ(GetNeighbour2(pt, i));
}
unsigned char PreviewMinimap::CalcShading(const MapPoint pt, const std::vector<unsigned char>& altitudes) const
{
int altitude = altitudes[GetMMIdx(pt)];
MapPoint tmp = MakeMapPoint(GetNeighbour(Point<int>(pt), Direction::NORTHEAST), map_width, map_height);
int A = altitudes[GetMMIdx(tmp)] - altitude;
tmp = MakeMapPoint(GetNeighbour2(Point<int>(pt), 0), map_width, map_height);
int B = altitudes[GetMMIdx(tmp)] - altitude;
tmp = MakeMapPoint(GetNeighbour(Point<int>(pt), Direction::WEST), map_width, map_height);
int C = altitudes[GetMMIdx(tmp)] - altitude;
tmp = MakeMapPoint(GetNeighbour2(Point<int>(pt), 7), map_width, map_height);
int D = altitudes[GetMMIdx(tmp)] - altitude;
int shadingS2 = 64 + 9 * A - 3 * B - 6 * C - 9 * D;
if(shadingS2 > 128)
shadingS2 = 128;
else if(shadingS2 < 0)
shadingS2 = 0;
return shadingS2;
}