public static WfcGraphTile <WorldData> CreateRoadTile(string roadName, Blackboard initialBlackboard)
{
Graph roadGraph = Graph.CreatePlaceholder(roadName);
Entity roadEntity = new Entity(roadName, roadGraph);
roadGraph.Entities.Add(roadEntity);
var blackboardRoadCountKey = IncrementBlackboardCount(roadName, initialBlackboard);
WfcGraphTile <WorldData> roadTile = new WfcGraphTile <WorldData>(roadGraph, (thisModule, thisCell, wfcSpace) =>
{
bool isTileAvailable = wfcSpace.Blackboard.IsGreaterZero(blackboardRoadCountKey);
var neighbors = wfcSpace.GetNeighbors(thisCell);
if (!CanConnect(thisModule, neighbors))
{
return(false);
}
return(isTileAvailable);
});
roadTile.TileDescriptor.AddBorderEntity(roadEntity, 2, 2);
roadTile.TileDescriptor.AdditionalTileData = new WorldData(TileType.Road);
return(roadTile);
}
private static bool CanConnect(WfcGraphTile <WorldData> thisModule, List <WfcCell <WfcGraphTile <WorldData>, int> > neighbors)
{
uint availableTotalConnections = thisModule.TileDescriptor.BorderEntities
.Select(bn => bn.TotalConnections)
.Aggregate((c1, c2) => c1 + c2);
if (neighbors.Count > availableTotalConnections)
{
return(false);
}
uint availableMandatoryConnections = thisModule.TileDescriptor.BorderEntities
.Select(bn => bn.MandatoryConnections)
.Aggregate((c1, c2) => c1 + c2);
if (neighbors.Count < availableMandatoryConnections)
{
return(false);
}
return(true);
}
public static WfcGraphTile <WorldData> CreateCityTile(string cityName, Blackboard initialBlackboard)
{
var cityGraph = Graph.CreatePlaceholder(cityName);
var cityEntity = new Entity(cityName, cityGraph);
cityGraph.Entities.Add(cityEntity);
var blackboardCityCountKey = IncrementBlackboardCount(cityName, initialBlackboard);
var cityTile = new WfcGraphTile <WorldData>(cityGraph, (thisModule, thisCell, wfcSpace) =>
{
if (!wfcSpace.Blackboard.IsGreaterZero(blackboardCityCountKey))
{
return(false);
}
var neighbors = wfcSpace.GetNeighbors(thisCell);
if (!CanConnect(thisModule, neighbors))
{
return(false);
}
foreach (var neighbor in neighbors)
{
if (!NeighborHasRoadLikeStructure(neighbor))
{
return(false);
}
}
return(true);
});
cityTile.TileDescriptor.AddBorderEntity(cityEntity, 1, 3);
cityTile.TileDescriptor.AdditionalTileData = new WorldData(TileType.City);
return(cityTile);
}
public static WfcGraphTile <WorldData> CreateSpecialTile(string tileName, Blackboard initialBlackboard, uint mandatoryConnections = 1, uint optionalConnections = 0)
{
var specialGraph = Graph.CreatePlaceholder(tileName);
var specialEntity = new Entity(tileName, specialGraph);
specialGraph.Entities.Add(specialEntity);
var blackboardTileCountKey = IncrementBlackboardCount(tileName, initialBlackboard);
var specialTile = new WfcGraphTile <WorldData>(specialGraph, (thisModule, thisCell, wfcSpace) =>
{
if (!wfcSpace.Blackboard.IsGreaterZero(blackboardTileCountKey))
{
return(false);
}
var neighbors = wfcSpace.GetNeighbors(thisCell);
if (!CanConnect(thisModule, neighbors))
{
return(false);
}
foreach (var neighbor in neighbors)
{
if (!NeighborHasRoadLikeStructure(neighbor))
{
return(false);
}
}
return(true);
});
specialTile.TileDescriptor.AddBorderEntity(specialEntity, mandatoryConnections, optionalConnections);
specialTile.TileDescriptor.AdditionalTileData = new WorldData(TileType.City);
return(specialTile);
}
