private void init_SewersThing(BaseTownGenerator tgen)
{
#if DEBUG
if (null != TheSewersThing)
{
throw new InvalidOperationException("only call UniqueActors::init_SewersThing once");
}
#endif
Map map = tgen.RandomDistrictInCity().SewersMap;
Actor named = GameActors.SewersThing.CreateNamed(GameFactions.TheUndeads, "The Sewers Thing", 0);
DiceRoller roller = new DiceRoller(map.Seed);
if (!MapGenerator.ActorPlace(roller, map, named))
{
throw new InvalidOperationException("could not spawn unique The Sewers Thing");
}
Zone zoneByPartialName = map.GetZoneByPartialName("Sewers Maintenance");
if (zoneByPartialName != null)
{
MapGenerator.MapObjectPlaceInGoodPosition(map, zoneByPartialName.Bounds, pt => {
return(map.IsWalkable(pt) && !map.HasActorAt(in pt) && !map.HasItemsAt(pt) && !map.HasExitAt(in pt));
}, roller, pt => BaseMapGenerator.MakeObjBoard(GameImages.OBJ_BOARD, new string[] {
// Formerly Las Vegas algorithm.
protected static bool ActorPlace(DiceRoller roller, Map map, Actor actor, Rectangle rect, Predicate <Point> goodPositionFn = null)
{
#if DEBUG
if (null == map)
{
throw new ArgumentNullException(nameof(map));
}
if (null == actor)
{
throw new ArgumentNullException(nameof(actor));
}
#endif
List <Point> valid_spawn = rect.Where(pt => map.IsWalkableFor(pt, actor) && (goodPositionFn == null || goodPositionFn(pt)));
if (0 >= valid_spawn.Count)
{
return(false);
}
map.PlaceAt(actor, roller.Choose(valid_spawn));
if (Session.Get.Police.IsEnemy(actor))
{
Session.Get.Police.Threats.RecordSpawn(actor, map, valid_spawn);
}
return(true);
}
public static void MapObjectPlaceInGoodPosition(Map map, Rectangle rect, Func <Point, bool> isGoodPosFn, DiceRoller roller, Func <Point, MapObject> createFn)
{
#if DEBUG
if (null == createFn)
{
throw new ArgumentNullException(nameof(createFn));
}
if (null == isGoodPosFn)
{
throw new ArgumentNullException(nameof(isGoodPosFn));
}
#endif
List <Point> pointList = rect.Where(pt => isGoodPosFn(pt) && map.GetTileModelAt(pt).IsWalkable&& !map.HasMapObjectAt(pt));
if (0 >= pointList.Count)
{
return;
}
Point pt2 = roller.Choose(pointList);
createFn(pt2)?.PlaceAt(map, in pt2);
}
public static bool ActorPlace(DiceRoller roller, Map map, Actor actor, Predicate <Point> goodPositionFn = null)
{
return(ActorPlace(roller, map, actor, map.Rect, goodPositionFn));
}
public void MapObjectPlaceInGoodPosition(Map map, int left, int top, int width, int height, Func <Point, bool> isGoodPosFn, DiceRoller roller, Func <Point, MapObject> createFn)
{
// find all good positions.
List <Point> goodList = null;
Point p = new Point();
for (int x = left; x < left + width; x++)
{
p.X = x;
for (int y = top; y < top + height; y++)
{
p.Y = y;
if (isGoodPosFn(p) && map.GetMapObjectAt(x, y) == null)
{
if (goodList == null)
{
goodList = new List <Point>();
}
goodList.Add(p);
}
}
}
// pick a good position at random and put the object there.
if (goodList == null)
{
return;
}
int iValid = roller.Roll(0, goodList.Count);
MapObject mapObj = createFn(goodList[iValid]);
if (mapObj != null)
{
map.PlaceMapObjectAt(mapObj, goodList[iValid]);
}
}
public void MapObjectPlaceInGoodPosition(Map map, Rectangle rect, Func <Point, bool> isGoodPosFn, DiceRoller roller, Func <Point, MapObject> createFn)
{
MapObjectPlaceInGoodPosition(map, rect.Left, rect.Top, rect.Width, rect.Height, isGoodPosFn, roller, createFn);
}
public bool ActorPlace(DiceRoller roller, int maxTries, Map map, Actor actor, Predicate <Point> goodPositionFn)
{
return(ActorPlace(roller, maxTries, map, actor, 0, 0, map.Width, map.Height, goodPositionFn));
}
public bool ActorPlace(DiceRoller roller, int maxTries, Map map, Actor actor, int left, int top, int width, int height)
{
return(ActorPlace(roller, maxTries, map, actor, left, top, width, height, null));
}
public bool ActorPlace(DiceRoller roller, int maxTries, Map map, Actor actor)
{
return(ActorPlace(roller, maxTries, map, actor, null));
}