public IntGrid3(IntVector3 p, IntSize3 size)
{
m_x = p.X;
m_y = p.Y;
m_z = p.Z;
m_columns = size.Width;
m_rows = size.Height;
m_depth = size.Depth;
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value == null)
{
throw base.GetConvertFromException(value);
}
string source = value as string;
if (source == null)
{
return(base.ConvertFrom(context, culture, value));
}
return(IntSize3.Parse(source));
}
public IntGrid3(IntSize3 size)
: this(0, 0, 0, size.Width, size.Height, size.Depth)
{
}
public static void Calculate3(IntVector3 viewerLocation, int visionRange, VisionMap visibilityMap, IntSize3 mapSize,
Func <IntVector3, bool> blockerDelegate)
{
visibilityMap.Clear();
if (blockerDelegate(viewerLocation) == true)
{
return;
}
var g = new IntGrid3(new IntVector3(), mapSize);
g = g.Offset(-viewerLocation.X, -viewerLocation.Y, -viewerLocation.Z);
var vr = new IntVector3(visionRange, visionRange, visionRange);
g = g.Intersect(new IntGrid3(vr, -vr));
int visionRangeSquared = (visionRange + 1) * (visionRange + 1); // +1 to get a bit bigger view area
foreach (var dst in g.Range())
{
if (dst.LengthSquared > visionRangeSquared)
{
continue;
}
bool vis = FindLos3(viewerLocation, dst, blockerDelegate);
visibilityMap[dst] = vis;
// XXX Cheat a bit so that the floor will be visible
if (vis && dst.Z == 0 && viewerLocation.Z > 1)
{
visibilityMap[dst.SetZ(dst.Z - 1)] = true;
}
}
}
