internal static bool BuildRail(TileIndex previous, TileIndex from, TileIndex to, TileIndex next, HashSet <TileIndex> forbidden, int railCount = 1, Action <TileIndex, string> sign = null)
{
var path = RailBuilder.FindPath(from, to, previous, forbidden, sign);
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)
{
throw new Exception("Should not be rail");
}
if (nt != BuildType.Basic)
{
continue;
}
//AILog.Info("Build a rail from [" + AIMap.GetTileX(p) + ", " + AIMap.GetTileY(p) + "] via [" + AIMap.GetTileX(c) + ", " + AIMap.GetTileY(c) + "] to [" + AIMap.GetTileX(n) + ", " + AIMap.GetTileY(n) + "].");
good = AIRail.BuildRail(p, 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_RAIL, bridgeTypes.Begin(), c, n);
if (!good)
{
sign(p, "s");
sign(c, "e");
}
break;
case BuildType.Tunnel:
throw new Exception("Tunnels not supported");
}
if (!good)
{
AILog.Error("Failed to build on [" + AIMap.GetTileX(c) + ", " + AIMap.GetTileY(c) + "]. Reason: " + AIError.GetLastErrorString());
}
}
return(true);
}
public static RailStationBuildResult BuildStationNear(TileIndex tile, int platformLength, int platformCount = 2)
{
var stationTile = RailStationBuilder.FindPlaceForStation(tile, platformLength, platformCount);
if (stationTile != null)
{
AILog.Info("Build " + stationTile.tile + ", " + stationTile.direction);
var good = AIRail.BuildRailStation(stationTile.tile, stationTile.direction, platformCount, platformLength, AIStation.STATION_NEW);
if (good)
{
TileIndex entryTile;
int[] matrix;
if (stationTile.direction == AIRail.RAILTRACK_NW_SE)
{
if (stationTile.entryNearTopCorner)
{
/* \
\/\
\/ */
entryTile = stationTile.tile + AIMap.GetTileIndex(0, 0);
matrix = new int[] { -1, 0, 0, -1 };
}
else
{
/* /\
\/\
\ */
entryTile = stationTile.tile + AIMap.GetTileIndex(1, platformLength - 1);
matrix = new int[] { 1, 0, 0, 1 };
}
}
else if (stationTile.direction == AIRail.RAILTRACK_NE_SW)
{
if (stationTile.entryNearTopCorner)
{
/* /
* /\/
\/ */
entryTile = stationTile.tile + AIMap.GetTileIndex(0, 1);
matrix = new int[] { 0, -1, 1, 0 };
}
else
{
/* /\
* /\/
* / */
entryTile = stationTile.tile + AIMap.GetTileIndex(platformLength - 1, 0);
matrix = new int[] { 0, 1, -1, 0 };
}
}
else
{
return(null);
}
/* | |
+00-01-+
* 02 03
* 04 05 06 07
* 08 09
* 10 11
*
*/
var tiles = new TileIndex[] {
entryTile + RailStationBuilder.GetTransformedTileIndex(0, 0, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(-1, 0, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(0, 1, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(-1, 1, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(1, 2, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(0, 2, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(-1, 2, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(-2, 2, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(0, 3, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(-1, 3, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(0, 4, matrix),
entryTile + RailStationBuilder.GetTransformedTileIndex(-1, 4, matrix),
};
// Exit rail
AIRail.BuildRail(
tiles[0],
tiles[2],
tiles[10]);
// Entry rail
AIRail.BuildRail(
tiles[1],
tiles[3],
tiles[11]);
// Signals
AIRail.BuildSignal(tiles[2], tiles[0], AIRail.SIGNALTYPE_PBS);
AIRail.BuildSignal(tiles[3], tiles[1], AIRail.SIGNALTYPE_PBS);
AIRail.BuildSignal(tiles[9], tiles[11], AIRail.SIGNALTYPE_PBS_ONEWAY);
//Depot
TileIndex depotTile = AIMap.TILE_INVALID;
if (AIRail.BuildRailDepot(tiles[4], tiles[5]))
{
depotTile = tiles[4];
RailStationBuilder.BuildIntersection(tiles[2], tiles[4], tiles[6], tiles[8]);
RailStationBuilder.BuildIntersection(tiles[3], tiles[5], tiles[9]);
}
else
{
if (AIRail.BuildRailDepot(tiles[7], tiles[6]))
{
depotTile = tiles[7];
RailStationBuilder.BuildIntersection(tiles[3], tiles[5], tiles[7], tiles[9]);
RailStationBuilder.BuildIntersection(tiles[2], tiles[6], tiles[8]);
}
}
return(new RailStationBuildResult()
{
StationID = AIStation.GetStationID(stationTile.tile),
ExitCloser = tiles[8],
ExitFarther = tiles[10],
EntryCloser = tiles[9],
EntryFarther = tiles[11],
DepotTile = depotTile
});
}
}
return(null);
}