/// <summary>
/// Scans the surface of a segment's occupancy matrix for a specific spot type and computes it's ratio.
/// </summary>
/// <param name="type">Value to search for.</param>
/// <param name="spots">Ref to occupancy matrix.</param>
/// <param name="pivot">Start of area.</param>
/// <param name="size">Extents of area.</param>
/// <returns>A value between [0f, 1f].</returns>
public static float GetSpotRatio(PlacerSpot.Type type, int[,] spots, PlacerSpot pivot, int size)
{
int count = 0;
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
if (spots[pivot.x + i, pivot.y + j] == (int)type)
{
count++;
}
}
}
return((float)count / (size * size));
}
/// <summary>
/// Returns all the spots of a certain type from a specified area.
/// </summary>
/// <param name="type">Value to search for.</param>
/// <param name="spots">Ref to occupancy matrix.</param>
/// <param name="pivot">Start of area.</param>
/// <param name="size">Extents of area.</param>
/// <param name="output">List to add the spots to.</param>
public static void GetSpots(PlacerSpot.Type type, int[,] spots, PlacerSpot pivot, int size, List <PlacerSpot> output)
{
PlacerSpot spot = new PlacerSpot(); //be gentle with the stack, allocate only once
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
spot.x = pivot.x + i;
spot.y = pivot.y + j;
if (spots[spot.x, spot.y] == (int)type)
{
output.Add(spot);
}
}
}
}
/// <summary>
/// Scans the surface of the occupancy matrix for a specific spot type and computes it's ratio.
/// </summary>
/// <param name="type">Value to search for.</param>
/// <returns>A value between [0f, 1f].</returns>
public float GetSpotRatio(PlacerSpot.Type type)
{
return(GetSpotRatio(type, spots, pivot, size));
}
/// <summary>
/// Returns all the spots of a certain type.
/// </summary>
/// <param name="type">Value to search for.</param>
/// <param name="output">List to add the spots to.</param>
public void GetSpots(PlacerSpot.Type type, List <PlacerSpot> output)
{
GetSpots(type, spots, pivot, size, output);
}
