private static Point?GetClosestUnexploredLocation(TerrainMap terrainMap, VisibilityMap visibilityMap, IMovementProfile movementProfile, Point location)
{
int closestDistance = int.MaxValue;
Point?closestLocation = null;
// We want to explore rooms before we explore corridors
DungeonPrefab currentRoom = terrainMap.GetPrefabAtLocation(location);
// If we are in a room then get the closest unseen location in the room
foreach (
Point unseenLocation in
currentRoom == null
? GetWalkableUnseenLocations(terrainMap, visibilityMap, movementProfile)
: GetWalkableUnseenLocationsWithinPrefab(currentRoom, terrainMap, visibilityMap, movementProfile))
{
int currentDistance = location.DistanceTo(unseenLocation);
if (currentDistance >= closestDistance)
{
continue;
}
closestDistance = currentDistance;
closestLocation = unseenLocation;
}
return(closestLocation);
}
public static void Fill(TerrainMap terrainMap, VisibilityMap visibilityMap, IMovementProfile movementProfile, Point location)
{
if (!terrainMap.Bounds.Contains(location))
{
return;
}
if (!visibilityMap.Bounds.Contains(location))
{
return;
}
if (visibilityMap[location].WasSeen)
{
return;
}
if (!movementProfile.TerrainIsTraversable(terrainMap[location]))
{
return;
}
visibilityMap[location].WasSeen = true;
Fill(terrainMap, visibilityMap, movementProfile, Direction.North.ApplyTransform(location));
Fill(terrainMap, visibilityMap, movementProfile, Direction.Northeast.ApplyTransform(location));
Fill(terrainMap, visibilityMap, movementProfile, Direction.East.ApplyTransform(location));
Fill(terrainMap, visibilityMap, movementProfile, Direction.Southeast.ApplyTransform(location));
Fill(terrainMap, visibilityMap, movementProfile, Direction.South.ApplyTransform(location));
Fill(terrainMap, visibilityMap, movementProfile, Direction.Southwest.ApplyTransform(location));
Fill(terrainMap, visibilityMap, movementProfile, Direction.West.ApplyTransform(location));
Fill(terrainMap, visibilityMap, movementProfile, Direction.Northwest.ApplyTransform(location));
}
private static void WalkTheDungeon(Game gameInstance)
{
Logger.Info("Walking the dungeon...");
var pathFinder = new AStarPathFinding();
var movementProfile = new HumanoidMovement();
var visibilityMap = new VisibilityMap(gameInstance.Terrain.Width, gameInstance.Terrain.Height, null, null);
var walkableLocations = gameInstance.Terrain.WalkableLocations(movementProfile).ToList();
FloodFill.Fill(gameInstance.Terrain, visibilityMap, movementProfile, walkableLocations[Rng.Next(walkableLocations.Count - 1)]);
var walkableUnseenLocations = GetWalkableUnseenLocations(gameInstance.Terrain, visibilityMap, movementProfile).ToList();
while (walkableUnseenLocations.Count > 0)
{
var closestExploredLocation = GetClosestExploredLocation(gameInstance.Terrain, visibilityMap, movementProfile, walkableUnseenLocations[Rng.Next(walkableUnseenLocations.Count - 1)]);
var closestUnexploredLocation = GetClosestUnexploredLocation(gameInstance.Terrain, visibilityMap, movementProfile, closestExploredLocation.Value);
var movementPath = pathFinder.FindPath(gameInstance.Terrain, new List <IActor>(), new DiggerMovement(), closestExploredLocation.Value, closestUnexploredLocation.Value);
foreach (var node in movementPath)
{
gameInstance.Terrain[node.Location] = new Floor();
visibilityMap[node.Location].WasSeen = true;
}
visibilityMap[closestUnexploredLocation.Value].WasSeen = false;
FloodFill.Fill(gameInstance.Terrain, visibilityMap, movementProfile, closestUnexploredLocation.Value);
walkableUnseenLocations = GetWalkableUnseenLocations(gameInstance.Terrain, visibilityMap, movementProfile).ToList();
}
//digger.VisibilityMap.UpdateVisibilityMap(gameInstance.Terrain, gameInstance.LightMap, digger.Location.Coordinate);
//var command = digger.Intellect.GetNextAction();
//while (command is MoveCommand)
//{
// var result = command.Execute();
// if ((!result.Success) && (command is MoveCommand))
// {
// // The move action failed
// // Ask the actor for a default action on bump
// var defaultBumpAction = digger.Intellect.GetDefaultBumpAction((MoveCommand)command);
// if (defaultBumpAction != null)
// defaultBumpAction.Execute();
// }
// digger.VisibilityMap.UpdateVisibilityMap(gameInstance.Terrain, gameInstance.LightMap, digger.Location.Coordinate);
// command = digger.Intellect.GetNextAction();
//}
//gameInstance.RemoveActor(digger);
Logger.Info("Dungeon walk complete.");
}
private static Point?GetClosestExploredLocation(TerrainMap terrainMap, VisibilityMap visibilityMap, IMovementProfile movementProfile, Point location)
{
int distance = int.MaxValue;
Point?closestLocation = null;
foreach (var visibleLocation in GetWalkableSeenLocations(terrainMap, visibilityMap, movementProfile))
{
int currentDistance = location.DistanceTo(visibleLocation);
if (currentDistance >= distance)
{
continue;
}
distance = currentDistance;
closestLocation = visibleLocation;
}
return(closestLocation);
}
public Point?GetClosestExploredLocation(Point origin)
{
int distance = int.MaxValue;
Point?closestLocation = null;
foreach (
Point visibleLocation in
VisibilityMap.GetSeenLocations().Where(
x => Race.MovementProfile.TerrainIsTraversable(GameInstance.Terrain[x])))
{
int currentDistance = origin.DistanceTo(visibleLocation);
if (currentDistance >= distance)
{
continue;
}
distance = currentDistance;
closestLocation = visibleLocation;
}
return(closestLocation);
}
public static void Push()
{
if (!IsHistoryEnabled)
{
return;
}
for (int i = HISTORY_LENGTH - 1; i > 0; i--)
{
Components[i] = Components[i - 1];
LightEmittingComponents[i] = LightEmittingComponents[i - 1];
MagnetComponents[i] = MagnetComponents[i - 1];
Layers[i] = Layers[i - 1];
MapVisibility[i] = MapVisibility[i - 1];
ComponentSelectorComponents[i] = ComponentSelectorComponents[i - 1];
Colliders[i] = Colliders[i - 1];
}
Components[0] = new List <Component>(ComponentsManager.Components);
LightEmittingComponents[0] = new List <ILightEmitting>(ComponentsManager.LightEmittingComponents);
MagnetComponents[0] = new List <IMagnetic>(ComponentsManager.MagnetComponents);
Layers[0] = new List <int>(ComponentsManager.Layers);
MapVisibility[0] = new VisibilityMap(ComponentsManager.VisibilityMap);
ComponentSelectorComponents[0] = MicroWorld.Graphics.GUI.GUIEngine.s_componentSelector.CloneTiles();
Colliders[0] = MicroWorld.Components.ComponentsManager.collidersManager.PushColliders();
}
private static IEnumerable <Point> GetWalkableSeenLocations(TerrainMap terrainMap, VisibilityMap visibilityMap, IMovementProfile movementProfile)
{
return(from location in visibilityMap.GetSeenLocations()
where movementProfile.TerrainIsTraversable(terrainMap[location])
select location);
}
private static IEnumerable <Point> GetWalkableUnseenLocationsWithinPrefab(Map <ITerrain> prefab, TerrainMap terrainMap, VisibilityMap visibilityMap, IMovementProfile movementProfile)
{
IEnumerable <Point> unseenLocationsInPrefab = from location in prefab.Locations
where
movementProfile.TerrainIsTraversable(
terrainMap[location]) &&
!visibilityMap[location].WasSeen
select location;
// Return any unseen locations within the prefab else return the closest unseen location on the map
return(unseenLocationsInPrefab.Count() > 0 ? unseenLocationsInPrefab : GetWalkableUnseenLocations(terrainMap, visibilityMap, movementProfile));
}
/// <summary>
/// Enumerates all the unseen locations within the dungeon and returns the location closest to the actor.
/// </summary>
/// <param name="actor">The actor to evaluate the locations against</param>
/// <returns>Returns the closest unseen location within the map</returns>
private IEnumerable <Point> GetWalkableUnseenLocations()
{
return(from location in VisibilityMap.GetUnseenLocations()
where Race.MovementProfile.TerrainIsTraversable(GameInstance.Terrain[location])
select location);
}
