static void astar(String[] args)
{
XmlDocument doc = new XmlDocument();
doc.Load("c:/njones/src/SkippingRock/weewar.net/map.xml");
WeewarMap map = new WeewarMap(doc.DocumentElement);
AStarSearch astarsearch = new AStarSearch();
bool[] path = new bool[map.Height * map.Width];
Unit u = new Unit();
u.Type = UnitType.Trooper;
List<Terrain> bases = map.getTerrainsByType(TerrainType.Base);
Coordinate cs = bases[0].Coordinate;
Coordinate ce = bases[bases.Count-1].Coordinate;
SticksNode start = new SticksNode(map, cs, u);
SticksNode end = new SticksNode(map, ce, u);
astarsearch.SetStartAndGoalStates(start, end);
SearchState searchState;
uint searchSteps = 0;
do
{
searchState = astarsearch.SearchStep();
searchSteps++;
}
while (searchState == SearchState.Searching);
if (searchState == SearchState.Succeeded)
{
Console.WriteLine("Search found goal state");
SticksNode node = astarsearch.GetSolutionStart() as SticksNode;
Console.WriteLine( "Displaying solution");
int steps = 0;
for (; ; )
{
node = astarsearch.GetSolutionNext() as SticksNode;
if (node == null)
{
break;
}
path[node.Coordinate.Y * map.Height + node.Coordinate.X] = true;
//node.PrintNodeInfo();
steps++;
};
for (int y = 0; y < map.Height; y++)
{
if (y % 2 == 1) Console.Write(" ");
for (int x = 0; x < map.Width; x++)
{
if (x == start.Coordinate.X &&
y == start.Coordinate.Y)
Console.Write("S");
else if (x == end.Coordinate.X &&
y == end.Coordinate.Y)
Console.Write("G");
else
Console.Write(path[y * map.Height + x] ? "x" : "o");
}
Console.WriteLine();
}
Console.WriteLine("Solution steps {0}", steps);
// Once you're done with the solution you can free the nodes up
astarsearch.FreeSolutionNodes();
}
else if (searchState == SearchState.Failed)
{
Console.WriteLine("Search terminated. Did not find goal state");
}
// Display the number of loops the search went through
Console.WriteLine("searchSteps : " + searchSteps);
}
public SticksNode(WeewarMap map, Coordinate coord, Unit unit)
{
_map = map;
_coord = coord;
_unit = unit;
}
public SticksNode(WeewarMap map, Unit unit) : this(map, unit.Coordinate, unit) { }
private Coordinate getMovementCoordinate(Game game, Unit unit, List<Coordinate> possibleMovementCoordinates)
{
List<Coordinate> coords = possibleMovementCoordinates;
while (coords.Count != 0)
{
int n = dice(coords.Count);
Coordinate c = coords[n - 1];
//Console.WriteLine( " "+".. trying to move to "+c+" =>"+ game.getUnit( c ));
if (game.getUnit(c) == null)
return c;
else
coords.Remove(c);
}
return null;
}
private Coordinate getAttackCoordinate(Game game, Unit unit, Coordinate from)
{
List<Coordinate> coords = eliza.GetAttackCoords(game.Id, from, unit.Type);
if (coords.Count > 0)
{
int n = dice(coords.Count);
return coords[n - 1];
}
return null;
}
private Game parseGame(XmlElement gameEle)
{
Game g = new Game();
String att = gameEle.GetAttribute("inNeedOfAttention");
g.IsInNeedOfAttention = att == "true";
g.Name = gameEle.SelectSingleNode("name").InnerText;
g.Id = Int32.Parse(gameEle.SelectSingleNode("id").InnerText);
XmlNode map = gameEle.SelectSingleNode("map");
if (map != null && map.InnerText != null)
g.MapId = Int32.Parse(map.InnerText);
g.Link = gameEle.SelectSingleNode("url").InnerText;
g.RequiresAnInviteAccept = g.Link.Contains("join");
if (gameEle.SelectSingleNode("factions") != null)
{
XmlNodeList factions = gameEle.SelectNodes("factions/faction");
foreach (XmlElement faction in factions)
{
Faction f = new Faction();
g.Factions.Add(f);
f.PlayerName = faction.GetAttribute("playerName");
f.State = faction.GetAttribute("state");
if (!String.IsNullOrEmpty(faction.GetAttribute("credits")))
f.Credits = Int32.Parse(faction.GetAttribute("credits"));
foreach (XmlElement unit in faction.SelectNodes("unit"))
{
Unit u = new Unit();
u.Coordinate = new Coordinate(Int32.Parse(unit.GetAttribute("x")), Int32.Parse(unit.GetAttribute("y")));
u.Type = Unit.ToType(unit.GetAttribute("type"));
u.Finished = "true" == unit.GetAttribute("finished");
u.Quantity = Int32.Parse(unit.GetAttribute("quantity"));
f.Units.Add(u);
}
foreach (XmlElement unit in faction.SelectNodes("terrain"))
{
Terrain t = new Terrain();
t.Coordinate = new Coordinate(Int32.Parse(unit.GetAttribute("x")), Int32.Parse(unit.GetAttribute("y")));
t.Type = Terrain.ToType(unit.GetAttribute("type"));
t.Finished = "true" == unit.GetAttribute("finished");
f.Terrains.Add(t);
}
}
}
return g;
}
