private void RecalculateMinMax(MultiTile tile)
{
if (tile.IsVirtualFloor)
{
return;
}
if (tile.GetBitmap() == null)
{
return;
}
int px = tile.XMod - GapXMod;
int py = tile.YMod - GapYMod;
if (px < XMin)
{
XMin = px;
}
if (py < YMin)
{
YMin = py;
}
px += tile.GetBitmap().Width;
py += tile.GetBitmap().Height;
if (px > XMax)
{
XMax = px;
}
if (py > YMax)
{
YMax = py;
}
if (tile.Z > ZMax)
{
ZMax = tile.Z;
}
if (tile.Z < ZMin)
{
ZMin = tile.Z;
}
_modified = false;
XMinOrg = XMin;
XMaxOrg = XMax;
YMinOrg = YMin;
YMaxOrg = YMax;
if (_parent.ShowWalkables)
{
CalcWalkable();
}
if (_parent.ShowDoubleSurface)
{
CalcDoubleSurface();
}
}
/// <summary>
/// Gets <see cref="MultiTile"/> from given Pixel Location
/// </summary>
private MultiTile GetSelected(Point mouseLoc, int maxHeight, bool drawFloor)
{
if (Width == 0 || Height == 0)
{
return(null);
}
if (mouseLoc == Point.Empty)
{
return(null);
}
MultiTile selected = null;
for (int i = Tiles.Count - 1; i >= 0; --i) // inverse for speedup
{
MultiTile tile = Tiles[i];
if (tile.IsVirtualFloor)
{
continue;
}
if (tile.Z > maxHeight)
{
continue;
}
if (drawFloor && _parent.DrawFloorZ > tile.Z)
{
continue;
}
Bitmap bmp = tile.GetBitmap();
if (bmp == null)
{
continue;
}
int px = tile.XMod;
int py = tile.YMod;
px -= XMin;
py -= YMin;
if (mouseLoc.X <= px || mouseLoc.X >= px + bmp.Width || mouseLoc.Y <= py || mouseLoc.Y >= py + bmp.Height)
{
continue;
}
// Check for transparent part
Color p = bmp.GetPixel(mouseLoc.X - px, mouseLoc.Y - py);
if (p.R == 0 && p.G == 0 && p.B == 0)
{
continue;
}
selected = tile;
break;
}
return(selected);
}
