public static MapGraph2 Parse(Map map)
{
var kb = new MapGraph2();
kb.Actions = new List<Action>();
kb.States = new List<State>();
for (var i = 0; i < map.Tiles.Count; i++)
{
var row = map.Tiles[i];
for (var j = 0; j < row.Count; j++)
{
var tile = row[j];
// skip wall tiles
if (tile.Equals(Tile.Wall)) continue;
var state = kb.GetOrCreateState(j, i, tile, map);
// adjacent tiles
var n = kb.GetOrCreateState(j, i-1, map.TileAt(j, i-1), map);
var e = kb.GetOrCreateState(j+1, i, map.TileAt(j+1, i), map);
var s = kb.GetOrCreateState(j, i+1, map.TileAt(j, i+1), map);
var w = kb.GetOrCreateState(j-1, i, map.TileAt(j-1, i), map);
// actions between tile and adjacent
// TODO why opposite N/S?
kb.GetOrCreateAction(state, n, "N");
kb.GetOrCreateAction(state, e, "E");
kb.GetOrCreateAction(state, s, "S");
kb.GetOrCreateAction(state, w, "W");
}
}
return kb;
}
public static Map Parse(string mapString)
{
var map = new Map();
foreach (var rowString in mapString.Split('\n'))
{
var row = new List<Tile>();
foreach (var tileChar in rowString.ToCharArray())
{
switch (tileChar)
{
case '#': row.Add(Tile.Wall); break;
case 'I': row.Add(Tile.Entry); break;
case ' ': row.Add(Tile.Floor); break;
case '$': row.Add(Tile.Treasure); break;
default: throw new Exception(String.Format("Invalid tile character {0}", tileChar));
}
}
map.Tiles.Add(row);
}
return map;
}
protected State GetOrCreateState(int px, int py, Tile type, Map map)
{
// check bounds
if (type == Tile.Invalid) return null;
if (px < 0 || py < 0 || px > map.Tiles[0].Count - 1 || py > map.Tiles.Count - 1) return null;
// check if state already exists
var state = this.States.SingleOrDefault(s => s.X == px && s.Y == py);
if (state == null)
{
state = new State(px, py, type);
this.States.Add(state);
}
return state;
}