public override bool Next()
{
var closure = LinkedNodeSet.Closure(this.Node, this.Logic.Caps, null, true);
var available = closure.UnlinkedEdges((UnlinkedEdge u) => !this.TriedEdges.Contains(u.Static) && this.Logic.Map.HoleFree(this.Node.Room, u.Static.HoleTarget));
if (available.Count == 0)
{
Logger.Log("randomizer", $"Failure: No edges out of {Node.Room.Static.Name}:{Node.Static.Name}");
return(false);
}
var picked = available[this.Logic.Random.Next(available.Count)];
this.AddNextTask(new TaskPathwayPickRoom(this.Logic, picked));
this.TriedEdges.Add(picked.Static);
var reqNeeded = LinkedNodeSet.TraversalRequires(this.Node, this.Logic.Caps.WithoutKey(), true, picked);
if (reqNeeded is Possible)
{
// nothing needed
}
else if (reqNeeded is KeyRequirement keyReq)
{
Logger.Log("randomizer", $"Need to place a key from {Node.Room.Static.Name}:{Node.Static.Name} to get out of {picked.Static.HoleTarget}");
this.AddNextTask(new TaskPathwayPlaceKey(this.Logic, this.Node, keyReq.KeyholeID));
}
else
{
throw new Exception("why does this happen? this should not happen");
}
return(true);
}
public LinkedNodeSet(LinkedNodeSet toCopy)
{
this.Nodes = new List <LinkedNode>(toCopy.Nodes);
this.CapsForward = toCopy.CapsForward;
this.CapsReverse = toCopy.CapsReverse;
this.Random = toCopy.Random;
}
public override bool Next()
{
var caps = this.Logic.Caps.WithoutKey();
var closure = LinkedNodeSet.Closure(this.Node, caps, caps, true);
foreach (var edge in closure.UnlinkedEdges())
{
if (!this.Logic.Map.HoleFree(this.Node.Room, edge.Static.HoleTarget))
{
continue;
}
if (this.Logic.Random.Next(5) != 0)
{
continue;
}
var possibilities = this.Logic.AvailableNewEdges(caps, caps, e => e.FromNode.ParentRoom.Collectables.Count != 0);
foreach (var newEdge in possibilities)
{
var receipt = ConnectAndMapReceipt.Do(this.Logic, edge, newEdge);
if (receipt == null)
{
continue;
}
var closure2 = LinkedNodeSet.Closure(receipt.EntryNode, caps, caps, true);
var seen = new HashSet <UnlinkedCollectable>();
var options = new List <Tuple <UnlinkedCollectable, bool> >();
foreach (var spot in closure2.UnlinkedCollectables())
{
seen.Add(spot);
options.Add(Tuple.Create(spot, false));
}
closure2.Extend(caps, null, true);
foreach (var spot in closure2.UnlinkedCollectables())
{
if (seen.Contains(spot))
{
continue;
}
options.Add(Tuple.Create(spot, true));
}
if (options.Count == 0)
{
receipt.Undo();
continue;
}
var pickedSpotTup = options[this.Logic.Random.Next(options.Count)];
var pickedSpot = pickedSpotTup.Item1;
var berry = pickedSpot.Static.MustFly ? LinkedNode.LinkedCollectable.WingedStrawberry : this.Logic.Settings.Algorithm == LogicType.Endless ? LinkedNode.LinkedCollectable.LifeBerry : LinkedNode.LinkedCollectable.Strawberry;
pickedSpot.Node.Collectables[pickedSpot.Static] = Tuple.Create(berry, pickedSpotTup.Item2);
break;
}
}
return(true);
}
public override bool Next()
{
var receipt = this.WorkingPossibility();
if (receipt == null)
{
return(false);
}
this.TriedRooms.Add(receipt.NewRoom.Static);
this.AddReceipt(receipt);
var newNode = receipt.NewRoom.Nodes["main"];
var state = new FlagSet();
foreach (var node in LinkedNodeSet.Closure(newNode, this.Logic.Caps.WithFlags(state), null, true).Nodes)
{
foreach (var setter in node.Static.FlagSetters)
{
TaskPathwayPickRoom.UpdateState(state, setter.Item1, setter.Item2);
newNode = node;
}
}
this.AddNextTask(new TaskPathwayPickEdge(this.Logic, newNode, state, false));
if (this.Logic.Settings.Strawberries != StrawberryDensity.None)
{
this.AddLastTask(new TaskPathwayBerryOffshoot(this.Logic, newNode, state));
}
return(true);
}
public static LinkedNodeSet Closure(LinkedNode start, Capabilities capsForward, Capabilities capsReverse, bool internalOnly, int maxDistance = 9999)
{
var result = new LinkedNodeSet(new List <LinkedNode> {
start
});
result.Extend(capsForward, capsReverse, internalOnly, maxDistance);
return(result);
}
public override bool Next()
{
if (this.Tries >= 5)
{
Logger.Log("randomizer", $"Failure: took too many tries to place key from {Node.Room.Static.Name}:{Node.Static.Name}");
return(false);
}
// each attempt we should back further away from the idea that we might add a new room
bool extendingMap = this.Logic.Random.Next(5) > this.Tries + 1;
this.Tries++;
var caps = this.Logic.Caps.WithoutKey();
var closure = LinkedNodeSet.Closure(this.Node, caps, caps, this.InternalOnly);
closure.Shuffle(this.Logic.Random);
if (!extendingMap)
{
// just try to place a key
foreach (var spot in closure.UnlinkedCollectables())
{
if (spot.Static.MustFly)
{
continue;
}
this.AddReceipt(PlaceCollectableReceipt.Do(spot.Node, spot.Static, LinkedNode.LinkedCollectable.Key));
this.OriginalNode.Room.UsedKeyholes.Add(this.KeyholeID);
return(true);
}
}
// see if we can find somewhere to extend the map
foreach (var outEdge in closure.UnlinkedEdges())
{
if (!this.Logic.Map.HoleFree(outEdge.Node.Room, outEdge.Static.HoleTarget))
{
continue;
}
foreach (var toEdge in this.Logic.AvailableNewEdges(caps, caps, (StaticEdge e) => !e.FromNode.ParentRoom.End))
{
var mapped = ConnectAndMapReceipt.Do(this.Logic, outEdge, toEdge);
if (mapped == null)
{
continue;
}
this.AddReceipt(mapped);
this.AddNextTask(new TaskPathwayPlaceKey(this.Logic, mapped.EntryNode, this.KeyholeID, this.OriginalNode, true, this.Tries));
return(true);
}
}
// try again
return(this.Next());
}
public override bool Next()
{
int minCount = LabyrinthMinimums[(int)this.Logic.Settings.Length];
int maxCount = LabyrinthMaximums[(int)this.Logic.Settings.Length];
double progress = (double)(Logic.Map.Count - minCount) / (double)(maxCount - minCount);
Logger.Log("randomizer", $"Progress: {progress}");
if (progress > Logic.Random.NextDouble())
{
Logger.Log("randomizer", "No need to proceed");
this.Goodwill = 0; // if we need to backtrack go past this
return(true);
}
if (this.Goodwill <= 0)
{
Logger.Log("randomizer", "Failure: ran out of goodwill");
return(false);
}
var receipt = this.WorkingPossibility();
if (receipt == null)
{
Logger.Log("randomizer", "No working possibilities");
this.Goodwill = 0; // if we need to backtrack go past this
return(true); // never fail!
}
this.AddReceipt(receipt);
this.TriedEdges.Add(receipt.Edge.CorrespondingEdge(this.Edge.Node));
var targetNode = receipt.Edge.OtherNode(this.Edge.Node);
var closure = LinkedNodeSet.Closure(targetNode, this.Logic.Caps.WithoutKey(), this.Logic.Caps.WithoutKey(), true);
var any = false;
foreach (var newedge in closure.UnlinkedEdges())
{
any = true;
this.AddNextTask(new TaskLabyrinthContinue(this.Logic, newedge, Math.Min(5, this.Goodwill + 1)));
}
if (!any)
{
this.Goodwill = 0;
}
else
{
this.Goodwill--;
}
return(true);
}
private ConnectAndMapReceipt WorkingPossibility()
{
var caps = this.Logic.Caps.WithoutKey(); // don't try to enter a door locked from the other side
var possibilities = this.Logic.AvailableNewEdges(caps, null, e => RoomFilter(e.FromNode.ParentRoom));
if (possibilities.Count == 0 && this.IsEnd)
{
throw new GenerationError("No ending rooms available");
}
foreach (var edge in possibilities)
{
var result = ConnectAndMapReceipt.Do(this.Logic, this.Edge, edge);
if (result != null)
{
var defaultBerry = this.Logic.Settings.Algorithm == LogicType.Endless ? LinkedNode.LinkedCollectable.LifeBerry : LinkedNode.LinkedCollectable.Strawberry;
var closure = LinkedNodeSet.Closure(result.EntryNode, caps, caps, true);
var seen = new HashSet <UnlinkedCollectable>();
foreach (var spot in closure.UnlinkedCollectables())
{
seen.Add(spot);
if (!spot.Static.MustFly && this.Logic.Random.Next(5) == 0)
{
spot.Node.Collectables[spot.Static] = Tuple.Create(defaultBerry, false);
}
}
closure.Extend(caps, null, true);
foreach (var spot in closure.UnlinkedCollectables())
{
if (!seen.Contains(spot) && !spot.Static.MustFly && this.Logic.Random.Next(10) == 0)
{
spot.Node.Collectables[spot.Static] = Tuple.Create(defaultBerry, true);
}
}
return(result);
}
}
return(null);
}
public override bool Next()
{
var receipt = this.WorkingPossibility();
if (receipt == null)
{
return(false);
}
this.TriedRooms.Add(receipt.NewRoom.Static);
this.AddReceipt(receipt);
this.AddLastTask(new TaskLabyrinthFinish(this.Logic));
var closure = LinkedNodeSet.Closure(receipt.NewRoom.Nodes["main"], this.Logic.Caps.WithoutKey(), this.Logic.Caps.WithoutKey(), true);
var node = receipt.NewRoom.Nodes["main"];
foreach (var edge in closure.UnlinkedEdges())
{
this.AddNextTask(new TaskLabyrinthContinue(this.Logic, edge));
}
return(true);
}
public override bool Next()
{
var receipt = this.Edge.Static.CustomWarp ? this.WorkingWarpPossibility() : this.WorkingPossibility();
if (receipt == null)
{
Logger.Log("randomizer", $"Failure: could not find a room that fits on {Edge.Node.Room.Static.Name}:{Edge.Node.Static.Name}:{Edge.Static.HoleTarget}");
return(false);
}
if (this.FakeEnd && receipt.NewRoom.Static.Level.Entities.Any(x => x.Name == "blackGem"))
{
}
this.AddReceipt(receipt);
this.TriedRooms.Add(receipt.NewRoom.Static);
if (!this.IsEnd || this.FakeEnd)
{
var newNode = receipt.Edge.OtherNode(this.Edge.Node);
var state = new FlagSet(this.State);
foreach (var node in LinkedNodeSet.Closure(newNode, this.Logic.Caps.WithFlags(this.State), null, true).Nodes)
{
foreach (var setter in node.Static.FlagSetters)
{
UpdateState(state, setter.Item1, setter.Item2);
newNode = node;
}
}
this.AddNextTask(new TaskPathwayPickEdge(this.Logic, newNode, state, this.FakeEnd));
if (this.Logic.Settings.Strawberries != StrawberryDensity.None)
{
this.AddLastTask(new TaskPathwayBerryOffshoot(this.Logic, newNode, state));
}
}
return(true);
}
private void GenerateLabyrinth()
{
this.Caps = this.Caps.WithoutKey();
this.StartingGemCount = this.Settings.Length == MapLength.Short ? 3 : 0;
void retry()
{
throw new RetryException();
}
foreach (var room in RandoLogic.AllRooms)
{
if (room.Name == "Celeste/6-Reflection/A/b-00")
{
var lroom = new LabyrinthStartRoom(room);
this.Map.AddRoom(lroom);
this.RemainingRooms.Remove(room);
this.PossibleContinuations.AddRange(LinkedNodeSet.Closure(lroom.Nodes["main"], this.Caps, this.Caps, true).UnlinkedEdges());
break;
}
}
while (this.PossibleContinuations.Count != 0)
{
//Logger.Log("DEBUG", $"status: rooms={this.Map.Count} queue={this.PossibleContinuations.Count}");
int idx = this.Random.Next(this.PossibleContinuations.Count);
var startEdge = this.PossibleContinuations[idx];
this.PossibleContinuations.RemoveAt(idx);
foreach (var toEdge in this.AvailableNewEdges(this.Caps, this.Caps,
(edge) => edge.FromNode.ParentRoom.ReqEnd is Impossible &&
edge.FromNode.ParentRoom.Name != "Celeste/7-Summit/A/g-00b" &&
edge.FromNode.ParentRoom.Nodes.Values.All(node => node.FlagSetters.Count == 0)))
{
var result = ConnectAndMapReceipt.Do(this, startEdge, toEdge);
if (result != null)
{
var closure = LinkedNodeSet.Closure(result.EntryNode, this.Caps, this.Caps, true);
var ue = closure.UnlinkedEdges();
var uc = new List <Tuple <UnlinkedCollectable, bool> >();
var alreadySeen = new HashSet <UnlinkedCollectable>();
foreach (var c in closure.UnlinkedCollectables())
{
alreadySeen.Add(c);
uc.Add(Tuple.Create(c, false));
}
closure.Extend(this.Caps, null, true);
foreach (var c in closure.UnlinkedCollectables())
{
if (alreadySeen.Contains(c))
{
continue;
}
uc.Add(Tuple.Create(c, true));
}
if (ue.Count == 0 && uc.Count == 0)
{
result.Undo();
continue;
}
else if (ue.Count == 0)
{
this.PriorityCollectables.AddRange(uc);
}
else
{
this.PossibleContinuations.AddRange(ue);
this.PossibleCollectables.AddRange(uc);
}
break;
}
}
if (this.Map.Count >= LabyrinthMaximums[(int)this.Settings.Length])
{
break;
}
}
while (this.PossibleContinuations.Count != 0)
{
//Logger.Log("DEBUG", $"Pruning - {this.PossibleContinuations.Count} remaining");
var startEdge = this.PossibleContinuations.Last();
this.PossibleContinuations.RemoveAt(this.PossibleContinuations.Count - 1);
var closure = LinkedNodeSet.Closure(startEdge.Node, this.Caps, this.Caps, true);
var uc = new List <Tuple <UnlinkedCollectable, bool> >();
var alreadySeen = new HashSet <UnlinkedCollectable>();
foreach (var c in closure.UnlinkedCollectables())
{
alreadySeen.Add(c);
uc.Add(Tuple.Create(c, false));
}
closure.Extend(this.Caps, null, true);
foreach (var c in closure.UnlinkedCollectables())
{
if (alreadySeen.Contains(c))
{
continue;
}
uc.Add(Tuple.Create(c, true));
}
if (uc.Count == 0)
{
if (startEdge.Node.Room.Static.Name == "Celeste/6-Reflection/A/b-00")
{
// DON'T REMOVE THE STARTING ROOM OMG
continue;
}
var edgeCount = 0;
foreach (var node in startEdge.Node.Room.Nodes.Values)
{
edgeCount += node.Edges.Count;
}
if (edgeCount <= 1)
{
var nodeNames = new List <string>(startEdge.Node.Room.Nodes.Keys);
nodeNames.Sort();
foreach (var nodeName in nodeNames)
{
var node = startEdge.Node.Room.Nodes[nodeName];
foreach (var edge in node.Edges)
{
var otherNode = edge.OtherNode(node);
var otherEdge = edge.OtherEdge(node);
otherNode.Edges.Remove(edge);
this.PossibleContinuations.Add(new UnlinkedEdge(otherNode, otherEdge));
}
}
this.Map.RemoveRoom(startEdge.Node.Room);
}
}
else
{
this.PriorityCollectables.AddRange(uc);
foreach (var c in uc)
{
this.PossibleCollectables.Remove(c);
}
}
}
if (this.Map.Count < LabyrinthMinimums[(int)this.Settings.Length])
{
//Logger.Log("DEBUG", "retrying - too short");
retry();
}
if (this.PossibleCollectables.Count + this.PriorityCollectables.Count < (6 - this.StartingGemCount))
{
//Logger.Log("DEBUG", "retrying - not enough spots");
retry();
}
for (var gem = LinkedCollectable.Gem1 + this.StartingGemCount; gem <= LinkedCollectable.Gem6; gem++)
{
//Logger.Log("DEBUG", $"Placing {gem}");
var collection = this.PriorityCollectables.Count != 0 ? this.PriorityCollectables : this.PossibleCollectables;
if (collection.Count == 0) // just in case
{
retry();
}
var idx = this.Random.Next(collection.Count);
var spot = collection[idx].Item1;
var autoBubble = collection[idx].Item2;
collection.RemoveAt(idx);
if (spot.Static.MustFly)
{
//Logger.Log("DEBUG", "...winged berry");
if (this.Settings.Strawberries != StrawberryDensity.None)
{
spot.Node.Collectables[spot.Static] = Tuple.Create(LinkedCollectable.WingedStrawberry, autoBubble);
}
gem--;
}
else
{
spot.Node.Collectables[spot.Static] = Tuple.Create(gem, autoBubble);
//Logger.Log("DEBUG", $"Adding gem to {spot}");
if (collection == this.PriorityCollectables)
{
for (int i = 0; i < collection.Count; i++)
{
if (collection[i].Item1.Node.Room == spot.Node.Room)
{
collection.RemoveAt(i);
i--;
}
}
}
}
}
var defaultBerry = this.Settings.HasLives ? LinkedCollectable.LifeBerry : LinkedCollectable.Strawberry;
while (this.Settings.Strawberries != StrawberryDensity.None && this.PriorityCollectables.Count != 0)
{
//Logger.Log("DEBUG", $"Pruning priority collectables - {this.PriorityCollectables.Count} remaining");
var spot = this.PriorityCollectables.Last().Item1;
var autoBubble = this.PriorityCollectables.Last().Item2;
this.PriorityCollectables.RemoveAt(this.PriorityCollectables.Count - 1);
spot.Node.Collectables[spot.Static] = Tuple.Create(spot.Static.MustFly ? LinkedCollectable.WingedStrawberry : defaultBerry, autoBubble);
}
int targetCount = 0;
switch (this.Settings.Strawberries)
{
case StrawberryDensity.High:
targetCount = 0;
break;
case StrawberryDensity.Low:
targetCount = this.PossibleCollectables.Count / 3 * 2;
break;
case StrawberryDensity.None:
targetCount = this.PossibleCollectables.Count;
break;
}
this.PossibleCollectables.Shuffle(this.Random);
while (this.PossibleCollectables.Count > targetCount)
{
//Logger.Log("DEBUG", $"Pruning collectables - {this.PossibleContinuations.Count - targetCount} remaining");
var spot = this.PossibleCollectables.Last().Item1;
var autoBubble = this.PossibleCollectables.Last().Item2;
this.PossibleCollectables.RemoveAt(this.PossibleCollectables.Count - 1);
spot.Node.Collectables[spot.Static] = Tuple.Create(spot.Static.MustFly ? LinkedCollectable.WingedStrawberry : defaultBerry, autoBubble);
}
}
private void GenerateLabyrinth()
{
this.Caps = this.Caps.WithoutKey();
this.StartingGemCount = this.Settings.Length == MapLength.Short ? 3 : 0;
void retry()
{
this.PossibleCollectables.Clear();
this.PriorityCollectables.Clear();
this.PossibleContinuations.Clear();
this.ResetRooms();
this.Map.Clear();
}
tryagain:
foreach (var room in this.RemainingRooms)
{
if (room.Name == "Celeste/6-Reflection/A/b-00")
{
var lroom = new LabyrinthStartRoom(room);
this.Map.AddRoom(lroom);
this.RemainingRooms.Remove(room);
this.PossibleContinuations.AddRange(LinkedNodeSet.Closure(lroom.Nodes["main"], this.Caps, this.Caps, true).UnlinkedEdges());
break;
}
}
while (this.PossibleContinuations.Count != 0)
{
//Logger.Log("DEBUG", $"status: rooms={this.Map.Count} queue={this.PossibleContinuations.Count}");
int idx = this.Random.Next(this.PossibleContinuations.Count);
var startEdge = this.PossibleContinuations[idx];
this.PossibleContinuations.RemoveAt(idx);
foreach (var toEdge in this.AvailableNewEdges(this.Caps, this.Caps, (edge) => !edge.FromNode.ParentRoom.End))
{
var result = ConnectAndMapReceipt.Do(this, startEdge, toEdge);
if (result != null)
{
var closure = LinkedNodeSet.Closure(result.EntryNode, this.Caps, this.Caps, true);
var ue = closure.UnlinkedEdges();
var uc = closure.UnlinkedCollectables();
if (ue.Count == 0 && uc.Count == 0)
{
result.Undo();
continue;
}
else if (ue.Count == 0)
{
this.PriorityCollectables.AddRange(uc);
}
else
{
this.PossibleContinuations.AddRange(ue);
this.PossibleCollectables.AddRange(uc);
}
break;
}
}
if (this.Map.Count >= LabyrinthMaximums[(int)this.Settings.Length])
{
break;
}
}
if (this.Map.Count < LabyrinthMinimums[(int)this.Settings.Length])
{
//Logger.Log("DEBUG", "retrying - too short");
retry();
goto tryagain;
}
if (this.PossibleCollectables.Count + this.PriorityCollectables.Count < (6 - this.StartingGemCount))
{
//Logger.Log("DEBUG", "retrying - not enough spots");
retry();
goto tryagain;
}
for (var gem = LinkedNode.LinkedCollectable.Gem1 + this.StartingGemCount; gem <= LinkedNode.LinkedCollectable.Gem6; gem++)
{
var collection = this.PriorityCollectables.Count != 0 ? this.PriorityCollectables : this.PossibleCollectables;
if (collection.Count == 0) // just in case
{
retry();
goto tryagain;
}
var idx = this.Random.Next(collection.Count);
var spot = collection[idx];
collection.RemoveAt(idx);
if (spot.Static.MustFly)
{
spot.Node.Collectables[spot.Static] = LinkedNode.LinkedCollectable.WingedStrawberry;
gem--;
}
else
{
spot.Node.Collectables[spot.Static] = gem;
}
}
while (this.PriorityCollectables.Count != 0)
{
var spot = this.PriorityCollectables[this.PriorityCollectables.Count - 1];
this.PriorityCollectables.RemoveAt(this.PriorityCollectables.Count - 1);
spot.Node.Collectables[spot.Static] = spot.Static.MustFly ? LinkedNode.LinkedCollectable.WingedStrawberry : LinkedNode.LinkedCollectable.Strawberry;
}
var targetCount = this.PossibleCollectables.Count / 3 * 2;
this.PossibleCollectables.Shuffle(this.Random);
while (this.PossibleCollectables.Count > targetCount)
{
var spot = this.PossibleCollectables[this.PossibleCollectables.Count - 1];
this.PossibleCollectables.RemoveAt(this.PossibleCollectables.Count - 1);
spot.Node.Collectables[spot.Static] = spot.Static.MustFly ? LinkedNode.LinkedCollectable.WingedStrawberry : LinkedNode.LinkedCollectable.Strawberry;
}
}
public override bool Next()
{
if (this.Tries >= 5)
{
Logger.Log("randomizer", $"Failure: took too many tries to satisfy {this.Req} from {Node.Room.Static.Name}:{Node.Static.Name}");
return(false);
}
// each attempt we should back further away from the idea that we might add a new room
int roll = this.Logic.Random.Next(5);
bool extendingMap = roll > this.Tries;
this.Tries++;
var caps = this.Logic.Caps.WithoutKey().WithFlags(this.State);
int maxSteps = 99999;
if (!InternalOnly)
{
maxSteps = this.Logic.Random.Next(1, 20);
}
var closure = LinkedNodeSet.Closure(this.Node, caps, caps, this.InternalOnly, maxSteps);
closure.Shuffle(this.Logic.Random);
if (this.Req is FlagRequirement fr)
{
var curval = this.State.TryGetValue(fr.Flag, out var x) ? x : FlagState.Unset;
if (fr.Set && (curval == FlagState.Both || curval == FlagState.Set || curval == FlagState.UnsetToSet))
{
return(true);
}
if (!fr.Set && (curval == FlagState.Both || curval == FlagState.Unset || curval == FlagState.SetToUnset))
{
return(true);
}
}
if (!extendingMap)
{
switch (this.Req)
{
case KeyRequirement keyReq: {
// just try to place a key
foreach (var spot in closure.UnlinkedCollectables())
{
if (spot.Static.MustFly)
{
continue;
}
if (spot.Node.Room == this.OriginalNode.Room)
{
// don't be boring!
continue;
}
this.AddReceipt(PlaceCollectableReceipt.Do(spot.Node, spot.Static, LinkedCollectable.Key, false, keyReq.KeyholeID, this.OriginalNode.Room));
return(true);
}
// try again for things that we need to bubble back from
var newClosure = new LinkedNodeSet(closure);
newClosure.Extend(caps, null, true);
foreach (var spot in newClosure.UnlinkedCollectables())
{
if (spot.Static.MustFly)
{
continue;
}
if (spot.Node.Room == this.OriginalNode.Room)
{
// don't be boring!
continue;
}
this.AddReceipt(PlaceCollectableReceipt.Do(spot.Node, spot.Static, LinkedCollectable.Key, true, keyReq.KeyholeID, this.OriginalNode.Room));
return(true);
}
// third try: place a room which has a reachable spot
var appropriateNodes = this.Logic.RemainingRooms
.Where(x => x.ReqEnd is Impossible)
.SelectMany(r => r.Nodes.Values)
.Where(n => n.Collectables.Count(c => !c.MustFly) != 0)
.ToList();
appropriateNodes.Shuffle(this.Logic.Random);
foreach (var n in appropriateNodes)
{
// hack: make a linkednode for each staticnode so that the closure methods can work on it...
var edges = LinkedNodeSet
.Closure(new LinkedRoom(n.ParentRoom, Vector2.Zero).Nodes[n.Name], caps, caps, true)
.Shuffle(this.Logic.Random)
.UnlinkedEdges()
.Select(e => e.Static);
foreach (var edge in edges)
{
foreach (var startEdge in closure.UnlinkedEdges())
{
var receipt = ConnectAndMapReceipt.Do(this.Logic, startEdge, edge, true);
if (receipt != null)
{
this.AddReceipt(receipt);
var cols = n.Collectables.Where(c => !c.MustFly).ToList();
cols.Shuffle(this.Logic.Random);
this.AddReceipt(PlaceCollectableReceipt.Do(receipt.NewRoom.Nodes[n.Name], cols[this.Logic.Random.Next(cols.Count)], LinkedCollectable.Key, false, keyReq.KeyholeID, this.OriginalNode.Room));
return(true);
}
}
}
}
break;
}
case FlagRequirement flagReq: {
var appropriateNodes = this.Logic.RemainingRooms
.SelectMany(r => r.Nodes.Values)
.Where(n => n.FlagSetters.Any(s => s.Item1 == flagReq.Flag && s.Item2 == flagReq.Set))
.ToList();
appropriateNodes.Shuffle(this.Logic.Random);
foreach (var n in appropriateNodes)
{
// hack: make a linkednode for each staticnode so that the closure methods can work on it...
var edges = LinkedNodeSet
.Closure(new LinkedRoom(n.ParentRoom, Vector2.Zero).Nodes[n.Name], caps, caps, true)
.Shuffle(this.Logic.Random)
.UnlinkedEdges()
.Select(e => e.Static);
foreach (var edge in edges)
{
foreach (var startEdge in closure.UnlinkedEdges())
{
var receipt = ConnectAndMapReceipt.Do(this.Logic, startEdge, edge, true);
if (receipt != null)
{
this.AddReceipt(receipt);
// TODO: check for reverse traversability back to orig node
return(true);
}
}
}
}
break;
}
default: {
throw new Exception($"Don't know how to satisfy {this.Req}. What?");
}
}
}
// see if we can find somewhere to extend the map
foreach (var outEdge in closure.UnlinkedEdges())
{
if (!this.Logic.Map.HoleFree(outEdge.Node.Room, outEdge.Static.HoleTarget))
{
continue;
}
foreach (var toEdge in this.Logic.AvailableNewEdges(caps, caps, e => e.FromNode.ParentRoom.ReqEnd is Impossible))
{
var mapped = ConnectAndMapReceipt.Do(this.Logic, outEdge, toEdge, isBacktrack: true);
if (mapped == null)
{
continue;
}
this.AddReceipt(mapped);
this.AddNextTask(new TaskPathwaySatisfyRequirement(this.Logic, mapped.EntryNode, this.Req, this.State, this.OriginalNode, true, this.Tries));
return(true);
}
}
// if we failed to both extend the map or place the capability at the same time, we're f****d!
if (!extendingMap)
{
return(false);
}
// try again
return(this.Next());
}
public override bool Next()
{
var caps = this.Logic.Caps.WithoutFlags();
var closure = LinkedNodeSet.Closure(this.Node, caps, null, true);
var available = closure.UnlinkedEdges(u => !this.TriedEdges.Contains(u.Static) && (u.Static.HoleTarget == null || (!this.ForceWarp && this.Logic.Map.HoleFree(this.Node.Room, u.Static.HoleTarget))));
if (available.Count == 0)
{
Logger.Log("randomizer", $"Failure: No edges out of {Node.Room.Static.Name}:{Node.Static.Name}");
return(false);
}
// stochastic difficulty control
var picked = available[this.Logic.Random.Next(available.Count)];
var caps2 = caps.Copy();
for (int i = 0; ; i++, picked = available[this.Logic.Random.Next(available.Count)])
{
// bias against picking left-facing holes
if (picked.Static.HoleTarget != null && picked.Static.HoleTarget.Side == ScreenDirection.Left && this.Logic.Random.Next(4) == 0)
{
continue;
}
if (this.Logic.Settings.DifficultyEagerness == DifficultyEagerness.None || this.Logic.Settings.Difficulty == Difficulty.Easy)
{
break;
}
if (i >= 4)
{
return(false);
}
// pick a lower difficulty level - if we have a higher eagerness it should be more likely we pick a difficulty closer to the current one
// to facilitate this we pick a [0,1] sample which biases toward zero as eagerness increases
var sample = this.Logic.Random.NextDouble();
switch (this.Logic.Settings.DifficultyEagerness)
{
case DifficultyEagerness.Medium:
sample = Math.Pow(sample, 4);
break;
case DifficultyEagerness.High:
sample = Math.Pow(sample, 8);
break;
}
// the off-by-ones here are devious. we want to select a number of steps down which will always step at least once and may step down to one step below easy.
sample *= (int)this.Logic.Settings.Difficulty + 1;
//Logger.Log("DEBUG", $"Permissiveness sample: {(int) sample} / {(int) this.Logic.Settings.Difficulty}");
caps2.PlayerSkill = this.Logic.Settings.Difficulty - ((int)sample + 1);
if (caps2.PlayerSkill < 0)
{
break;
}
// if the target edge is NOT present in the closure with the lower difficulty, it is hard enough. otherwise, it is too easy.
if (!LinkedNodeSet.Closure(this.Node, caps2, null, true).UnlinkedEdges().Contains(picked))
{
break;
}
//Logger.Log("DEBUG", "...rejecting edge, too easy");
}
var state = new FlagSet(this.State);
this.AddNextTask(new TaskPathwayPickRoom(this.Logic, picked, state));
this.TriedEdges.Add(picked.Static);
var reqNeeded = LinkedNodeSet.TraversalRequires(this.Node, this.Logic.Caps.WithoutKey().WithFlags(this.State), true, picked);
this.HandleRequirements(reqNeeded, state, this.State);
var reversible = LinkedNodeSet.Closure(this.Node, null, this.Logic.Caps.WithFlags(state), true).UnlinkedEdges().Contains(picked);
if (!reversible)
{
CrystallizeState(state);
}
// WE NEED TO DO TWO THINGS
// 1) Update the flags state in the upcoming pickroom task based on the flags we decide we need to handle. CHECK
// 2) check if this is traversable in reverse. if it's not, update the flags in the upcoming pickroom task. CHECK
// 3) ummm forgot about this. if we happen to place a room with a switch reachable, update the state
// BONUS 4) in the requirement satisfying task, add a reachability check to get back to startnode with the new flag set
return(true);
}
public override bool Next()
{
if (this.Tries >= 5)
{
Logger.Log("randomizer", $"Failure: took too many tries to place key from {Node.Room.Static.Name}:{Node.Static.Name}");
return(false);
}
// each attempt we should back further away from the idea that we might add a new room
int roll = this.Logic.Random.Next(5);
bool extendingMap = roll > this.Tries;
this.Tries++;
var caps = this.Logic.Caps.WithoutKey();
int maxSteps = 99999;
if (!InternalOnly)
{
maxSteps = this.Logic.Random.Next(6, 20);
}
var closure = LinkedNodeSet.Closure(this.Node, caps, caps, this.InternalOnly, maxSteps);
closure.Shuffle(this.Logic.Random);
if (!extendingMap)
{
// just try to place a key
foreach (var spot in closure.UnlinkedCollectables())
{
if (spot.Static.MustFly)
{
continue;
}
if (spot.Node.Room == this.OriginalNode.Room)
{
// don't be boring!
continue;
}
this.AddReceipt(PlaceCollectableReceipt.Do(spot.Node, spot.Static, LinkedNode.LinkedCollectable.Key, false));
this.OriginalNode.Room.UsedKeyholes.Add(this.KeyholeID);
return(true);
}
// try again for things that we need to bubble back from
var newClosure = new LinkedNodeSet(closure);
newClosure.Extend(caps, null, true);
foreach (var spot in newClosure.UnlinkedCollectables())
{
if (spot.Static.MustFly)
{
continue;
}
if (spot.Node.Room == this.OriginalNode.Room)
{
// don't be boring!
continue;
}
this.AddReceipt(PlaceCollectableReceipt.Do(spot.Node, spot.Static, LinkedNode.LinkedCollectable.Key, true));
this.OriginalNode.Room.UsedKeyholes.Add(this.KeyholeID);
return(true);
}
}
// see if we can find somewhere to extend the map
foreach (var outEdge in closure.UnlinkedEdges())
{
if (!this.Logic.Map.HoleFree(outEdge.Node.Room, outEdge.Static.HoleTarget))
{
continue;
}
foreach (var toEdge in this.Logic.AvailableNewEdges(caps, caps, e => e.FromNode.ParentRoom.ReqEnd is Impossible))
{
var mapped = ConnectAndMapReceipt.Do(this.Logic, outEdge, toEdge, isBacktrack: true);
if (mapped == null)
{
continue;
}
this.AddReceipt(mapped);
this.AddNextTask(new TaskPathwayPlaceKey(this.Logic, mapped.EntryNode, this.KeyholeID, this.OriginalNode, true, this.Tries));
return(true);
}
}
// try again
return(this.Next());
}
