private bool IsValidDoorwayPairing(Doorway a, Doorway b, Tile nextTile, ref float weight)
{
// Enforce matching socket group
if (!DoorwaySocket.CanSocketsConnect(a.Socket, b.Socket))
{
return(false);
}
// Enforce facing-direction
Vector3?forcedDirection = null;
// If AllowRotation has been set to false, or if the tile to be placed disallows rotation, we must force a connection from the correct direction
bool disallowRotation = (AllowRotation.HasValue && !AllowRotation.Value) || (nextTile != null && !nextTile.AllowRotation);
// Always enforce facing direction for vertical doorways
const float angleEpsilon = 1.0f;
if (Vector3.Angle(a.transform.forward, UpVector) < angleEpsilon)
{
forcedDirection = -UpVector;
}
else if (Vector3.Angle(a.transform.forward, -UpVector) < angleEpsilon)
{
forcedDirection = UpVector;
}
else if (disallowRotation)
{
forcedDirection = -a.transform.forward;
}
if (forcedDirection.HasValue)
{
float angleDiff = Vector3.Angle(forcedDirection.Value, b.transform.forward);
const float maxAngleDiff = 1.0f;
if (angleDiff > maxAngleDiff)
{
return(false);
}
}
weight = CalculateDoorwayWeight(b);
return(true);
}
internal void ConnectOverlappingDoorways(float globalChance, DungeonFlow dungeonFlow, System.Random randomStream)
{
const float epsilon = 0.00001f;
var doorways = AllTiles.SelectMany(t => t.UnusedDoorways);
foreach (var a in doorways)
{
foreach (var b in doorways)
{
// Don't try to connect doorways that are already connected to another
if (a.Used || b.Used)
{
continue;
}
// Don't try to connect doorways to themselves
if (a == b || a.TileProxy == b.TileProxy)
{
continue;
}
// These doors cannot be connected due to their sockets
if (!DoorwaySocket.CanSocketsConnect(a.Socket, b.Socket))
{
continue;
}
float distanceSqrd = (a.Position - b.Position).sqrMagnitude;
// The doorways are too far apart
if (distanceSqrd >= epsilon)
{
continue;
}
if (dungeonFlow.RestrictConnectionToSameSection)
{
bool tilesAreOnSameLineSegment = a.TileProxy.Placement.GraphLine == b.TileProxy.Placement.GraphLine;
// The tiles are not on a line segment
if (a.TileProxy.Placement.GraphLine == null)
{
tilesAreOnSameLineSegment = false;
}
if (!tilesAreOnSameLineSegment)
{
continue;
}
}
float chance = globalChance;
// Allow tiles to override the global connection chance
// If both tiles want to override the connection chance, use the lowest value
if (a.TileProxy.PrefabTile.OverrideConnectionChance && b.TileProxy.PrefabTile.OverrideConnectionChance)
{
chance = Mathf.Min(a.TileProxy.PrefabTile.ConnectionChance, b.TileProxy.PrefabTile.ConnectionChance);
}
else if (a.TileProxy.PrefabTile.OverrideConnectionChance)
{
chance = a.TileProxy.PrefabTile.ConnectionChance;
}
else if (b.TileProxy.PrefabTile.OverrideConnectionChance)
{
chance = b.TileProxy.PrefabTile.ConnectionChance;
}
// There is no chance to connect these doorways
if (chance <= 0f)
{
continue;
}
if (randomStream.NextDouble() < chance)
{
MakeConnection(a, b);
}
}
}
}