public YndJunctionHeightmap(byte[] data, YndJunction junc)
{
if (data == null)
{
return;
}
var d = junc.RawData;
int s = d.HeightmapPtr;
CountX = d.HeightmapDimX;
CountY = d.HeightmapDimY;
if ((s + CountX * CountY) > data.Length)
{
return;
}
Rows = new YndJunctionHeightmapRow[CountY];
for (int y = 0; y < CountY; y++)
{
int o = s + y * CountX;
byte[] vals = new byte[CountX];
Buffer.BlockCopy(data, o, vals, 0, CountX);
Rows[y] = new YndJunctionHeightmapRow(vals);
}
}
public void Resize(int cx, int cy)
{
var nrows = new YndJunctionHeightmapRow[cy];
for (int y = 0; y < cy; y++)
{
byte[] nvals = new byte[cx];
int minx = Math.Min(cx, CountX);
if ((Rows != null) && (y < Rows.Length))
{
Buffer.BlockCopy(Rows[y].Values, 0, nvals, 0, minx);
}
nrows[y] = new YndJunctionHeightmapRow(nvals);
}
Rows = nrows;
CountX = cx;
CountY = cy;
}