This is a quick function to convert a ParcelOverlay into something a tad more
useful. Posting it here incase anyone else can use it, and to get it tested.
Throw a region at it, and it should return a 64x64 array with unique ID's
given to each parcel in the sim.
-Adam
======================================================
private void ParcelOverlayToParcels_bitfill(int x, int y,
int[,] Parcels, int index)
{
if(x < 0 || x >= 128) return;
if(y < 0 || y >= 128) return;
if(Parcels[x,y] == 0)
{
Parcels[x,y] = index;
ParcelOverlayToParcels_bitfill(x-1,y,Parcels,index);
ParcelOverlayToParcels_bitfill(x+1,y,Parcels,index);
ParcelOverlayToParcels_bitfill(x-1,y-1,Parcels,index);
ParcelOverlayToParcels_bitfill(x-1,y+1,Parcels,index);
}
}
public int[,] ParcelOverlayToParcels(Region region)
{
byte[] Overlay = region.ParcelOverlay;
int[,] ParcelsHigh = new int[128, 128];
int[,] Parcels = new int[64, 64];
int x, y;
int x2, y2;
int index;
for(x = 0; x < 64; x++)
for(y = 0; y < 64; y++)
{
x2 = x * 2;
y2 = y * 2;
ParcelsHigh[x2,y2] = 0;
ParcelsHigh[x2 + 1,y2] = (Overlay[x * 64 +
y] & 64) == 64 ? -1 : 0;
ParcelsHigh[x2,y2 + 1] = (Overlay[x * 64 +
y] & 128) == 128 ? -1 : 0;
ParcelsHigh[x2+1,y2+1] =
(ParcelsHigh[x2+1,y2] == -1 || ParcelsHigh[x2,y2 + 1] == -1) ? -1 : 0;
}
index = 0;
for(x = 0; x < 64; x++)
for(y = 0; y < 64; y++)
{
x2 = x * 2;
y2 = y * 2;
if(ParcelsHigh[x2,y2] == 0)
{
ParcelOverlayToParcels_bitfill(x2,y2,ParcelsHigh,index++);
}
}
for(x = 0; x < 64; x++)
for(y = 0; y < 64; y++)
{
x2 = x * 2;
y2 = y * 2;
Parcels[x,y] = ParcelsHigh[x2,y2];
}
return Parcels;
}
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