internal RoadStationInfo EnsureStation(TownNode townNode)
{
if (this.stations.ContainsKey(townNode.TownId))
{
return(this.stations[townNode.TownId]);
}
var place = RoadStationBuilder.FindPlaceForStation(townNode.Location.Tile);
AIRoad.BuildRoadStation(place.tile, place.entryPoint, AIRoad.ROADVEHTYPE_BUS, AIStation.STATION_NEW);
AIRoad.BuildRoad(place.tile, place.entryPoint);
this.stations.Add(townNode.TownId, place);
return(place);
}
internal RoadStationInfo EnsureDepot(TownNode townNode)
{
if (this.depots.ContainsKey(townNode.TownId))
{
return(this.depots[townNode.TownId]);
}
var place = RoadStationBuilder.FindPlaceForStation(townNode.Location.Tile);
if (place != null)
{
AIRoad.BuildRoadDepot(place.tile, place.entryPoint);
AIRoad.BuildRoad(place.tile, place.entryPoint);
this.depots.Add(townNode.TownId, place);
return(place);
}
else
{
return(null);
}
}
internal static bool BuildRoad(TileIndex previous, TileIndex from, TileIndex to, TileIndex next, HashSet <TileIndex> forbidden, Action <TileIndex, string> sign = null)
{
var path = RoadBuilder.FindPath(from, to, previous, forbidden);
if (path == null)
{
return(false);
}
for (var i = 0; i < path.Count - 1; i++)
{
var p = i == 0 ? next : path[i - 1].Tile;
var c = path[i].Tile;
var n = i == path.Count - 1 ? previous : path[i + 1].Tile;
var nt = i == 0 ? BuildType.Basic : path[i - 1].Type;
//sign(c, "[" + AIMap.GetTileX(c) + ", " + AIMap.GetTileY(c) + "] " + path[i].type);
bool good = false;
switch (path[i].Type)
{
case BuildType.Basic:
if (path[i].Length > 1)
{
AILog.Error($"Length is: {path[i].Length}. ([" + AIMap.GetTileX(p) + ", " + AIMap.GetTileY(p) + "] via [" + AIMap.GetTileX(c) + ", " + AIMap.GetTileY(c) + "] to [" + AIMap.GetTileX(n) + ", " + AIMap.GetTileY(n) + "])");
continue;
//throw new Exception("Should not be Road");
}
if (nt != BuildType.Basic)
{
continue;
}
//AILog.Info("Build a Road from [" + AIMap.GetTileX(p) + ", " + AIMap.GetTileY(p) + "] via [" + AIMap.GetTileX(c) + ", " + AIMap.GetTileY(c) + "] to [" + AIMap.GetTileX(n) + ", " + AIMap.GetTileY(n) + "].");
good = AIRoad.BuildRoad(p, c);
good = AIRoad.BuildRoad(c, n);
break;
case BuildType.Bridge:
var bridgeTypes = new AIBridgeList_Length(path[i].Length);
//AILog.Info("Build a bridge " + bridgeTypes.Begin() + " from [" + AIMap.GetTileX(c) + ", " + AIMap.GetTileY(c) + "] to [" + AIMap.GetTileX(n) + ", " + AIMap.GetTileY(n) + "].");
good = AIBridge.BuildBridge(AIVehicle.VT_ROAD, bridgeTypes.Begin(), c, n);
if ((!good) && (sign != null))
{
sign(p, "s");
sign(c, "e");
}
break;
case BuildType.Tunnel:
throw new Exception("Tunnels not supported");
}
if (!good)
{
var reason = AIError.GetLastErrorString();
if (reason != "ERR_ALREADY_BUILT")
{
AILog.Error("Failed to build on [" + AIMap.GetTileX(c) + ", " + AIMap.GetTileY(c) + "]. Reason: " + reason);
}
}
}
return(true);
}