public override MapState Execute(MapState state, Selection selection)
{
if (KeepInside)
{
int minx = int.MaxValue, miny = int.MaxValue, maxx = int.MinValue, maxy = int.MinValue;
foreach (var tile in state.ActiveLayer.Map.GetAllTiles())
{
if (!tile.IsEmpty)
{
minx = Math.Min(minx, tile.X);
miny = Math.Min(miny, tile.Y);
maxx = Math.Max(maxx, tile.X);
maxy = Math.Max(maxy, tile.Y);
}
}
if (minx + DeltaX < 0) DeltaX = -minx;
if (miny + DeltaY < 0) DeltaY = -miny;
if (maxx + DeltaX >= state.ActiveLayer.Map.Width) DeltaX = state.ActiveLayer.Map.Width - 1 - maxx;
if (maxy + DeltaY >= state.ActiveLayer.Map.Height) DeltaY = state.ActiveLayer.Map.Height - 1 - maxy;
}
if (DeltaX != 0 || DeltaY != 0)
{
Map m = new Map();
m.SetDimensions(state.ActiveLayer.Map.Width, state.ActiveLayer.Map.Height);
foreach (var t in state.ActiveLayer.Map.GetAllTiles())
{
m.SetTile(t.X, t.Y, new Tile() { IsEmpty = true });
}
foreach (var t in state.ActiveLayer.Map.GetAllTiles())
{
var x = t.X + DeltaX;
var y = t.Y + DeltaY;
if(x >= 0 && y >= 0 && x < m.Width && y < m.Height)
m.SetTile(x, y, t);
}
state.ActiveLayer.Map = m;
}
return state;
}
public static Map RotateCW(Map thisMap)
{
Map map = new Map();
map.SetDimensions(thisMap.Height, thisMap.Width);
map.IsHorizontalWrap = thisMap.IsVerticalWrap;
map.IsVerticalWrap = thisMap.IsHorizontalWrap;
map.UnparsedData = new List<string>(thisMap.UnparsedData);
foreach (Tile t in thisMap.GetAllTiles())
{
map.SetTile(t.Y, map.Height - 1 - t.X, (Tile)t.Clone());
}
Map map2 = (Map)map.Clone();
foreach (Tile t in map2.GetAllTiles())
{
t.IsWOfRiver = false;
t.IsNOfRiver = false;
}
foreach (Tile t in map.GetAllTiles())
{
if (t.IsNOfRiver)
{
Tile w = map2.GetNeighbour(t.X, t.Y, HorizontalNeighbour.West, VerticalNeighbour.None);
if (w != null)
{
w.IsWOfRiver = true;
if (t.RiverWEDirection == RiverDirection.WEST_TO_EAST)
w.RiverNSDirection = RiverDirection.NORTH_TO_SOUTH;
else
w.RiverNSDirection = RiverDirection.SOUTH_TO_NORTH;
}
}
if (t.IsWOfRiver)
{
Tile tt = map2.GetTile(t.X, t.Y);
tt.IsNOfRiver = true;
if (t.RiverNSDirection == RiverDirection.NORTH_TO_SOUTH)
tt.RiverWEDirection = RiverDirection.EAST_TO_WEST;
else
tt.RiverWEDirection = RiverDirection.WEST_TO_EAST;
}
}
return map2;
}