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);
}
private static void BuildIntersection(TileIndex tile1, TileIndex tile2, TileIndex tile3, TileIndex tile4 = null)
{
var tile1x = AIMap.GetTileX(tile1);
var tile1y = AIMap.GetTileY(tile1);
var tile2x = AIMap.GetTileX(tile2);
var tile2y = AIMap.GetTileY(tile2);
var tile3x = AIMap.GetTileX(tile3);
var tile3y = AIMap.GetTileY(tile3);
var x = (int)((tile1x + tile2x + tile3x) / 3.0 + 0.5);
var y = (int)((tile1y + tile2y + tile3y) / 3.0 + 0.5);
var center = AIMap.GetTileIndex(x, y);
var nwTile = AIMap.GetTileIndex(x, y - 1);
var neTile = AIMap.GetTileIndex(x - 1, y);
var swTile = AIMap.GetTileIndex(x + 1, y);
var seTile = AIMap.GetTileIndex(x, y + 1);
if (tile4 != null)
{
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NE_SW); // /
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_SE); // \
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_NE); // - (upper)
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_SW_SE); // - (lower)
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_SW); // | left
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NE_SE); // | right
return;
}
if ((tile1 != nwTile) && (tile2 != nwTile) && (tile3 != nwTile))
{
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NE_SW); // /
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_SW_SE); // - (lower)
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NE_SE); // | right
return;
}
if ((tile1 != neTile) && (tile2 != neTile) && (tile3 != neTile))
{
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_SE); // \
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_SW_SE); // - (lower)
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_SW); // | left
return;
}
if ((tile1 != swTile) && (tile2 != swTile) && (tile3 != swTile))
{
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_SE); // \
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_NE); // - (upper)
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NE_SE); // | right
return;
}
if ((tile1 != seTile) && (tile2 != seTile) && (tile3 != seTile))
{
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NE_SW); // /
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_NE); // - (upper)
AIRail.BuildRailTrack(center, AIRail.RAILTRACK_NW_SW); // | left
return;
}
}
protected /*override*/ void Start2()
{
SignManager signManager = new SignManager();
this.signs = new AISignList();
var list = new AIRailTypeList();
AIRail.SetCurrentRailType(list.Begin());
AICompany.SetLoanAmount(AICompany.GetMaxLoanAmount());
////*
//RailBuilder.BuildRail(
// AIMap.GetTileIndex(42, 121),
// AIMap.GetTileIndex(41, 121),
// AIMap.GetTileIndex(31, 121),
// AIMap.GetTileIndex(30, 121),
// new HashSet<TileIndex>(),
// 1,
// this.BuildSign);
///*/
//var i = 39;
//var ns = RailBuilder.GetNeighbors(
// AIMap.GetTileIndex(i, 121),
// new RailBuilder.PathInfo(
// AIMap.GetTileIndex(i + 1, 121),
// 1,
// 1,
// RailBuilder.BuildType.Rail,
// new RailBuilder.PathInfo(
// AIMap.GetTileIndex(i + 2, 121),
// 1,
// 1,
// RailBuilder.BuildType.Rail,
// null)),
// this.BuildSign);
//foreach (var n in ns)
//{
// this.BuildSign(n.Tile, n.Cost.ToString());
//}
///* */
///*
try
{
if (this.workStatus == 0)
{
var towns = new AITownList();
towns.Valuate(AITown.GetPopulation);
RailStationBuildResult s1 = null;
foreach (var(town, _) in towns)
{
if (s1 == null)
{
s1 = RailStationBuilder.BuildStationNear(AITown.GetLocation(town), this.platformSize, 2);
}
else
{
RailStationBuildResult s2 = RailStationBuilder.BuildStationNear(AITown.GetLocation(town), this.platformSize, 2);
HashSet <TileIndex> forbidden = new HashSet <TileIndex>();
forbidden.Add(s1.ExitFarther);
forbidden.Add(s2.EntryFarther);
var good = RailBuilder.BuildRail(s1.EntryCloser, s1.EntryFarther, s2.ExitFarther, s2.ExitCloser, forbidden);
signManager.ClearSigns();
if (good)
{
forbidden = new HashSet <TileIndex>();
good = RailBuilder.BuildRail(s1.ExitCloser, s1.ExitFarther, s2.EntryFarther, s2.EntryCloser, forbidden, 1);
}
if (good)
{
if (s1.DepotTile != AIMap.TILE_INVALID)
{
TrainManager.BuildTrain(s1.DepotTile, new StationID[] { s1.StationID, s2.StationID }, this.BuildSign);
}
else
{
TrainManager.BuildTrain(s2.DepotTile, new StationID[] { s2.StationID, s1.StationID }, this.BuildSign);
}
}
else
{
AILog.Info("No route found.");
}
s1 = null;
//if (AICompany.GetBankBalance(AICompany.COMPANY_SELF) < 50000)
{
// Better to stop before bankrupcy.
AILog.Info("Better to stop before bankrupcy.");
break;
}
}
}
}
this.workStatus = 1;
}
catch
{
AILog.Error("An error happened");
}
/* */
signManager.ClearSigns();
AILog.Info("Sign count: " + this.signs.Count());
AIController.Sleep(150);
AILog.Info("Remove all signs");
foreach (var(signId, _) in this.signs)
{
AISign.RemoveSign(signId);
}
while (true)
{
// Main loop
//this.setMinLoan();
CsTestAi.SetMinimumLoanAmount();
Sleep(100);
}
}
internal static List <PathInfo> GetNeighbors(TileIndex tile, PathInfo cameFrom, Action <TileIndex, string> sign = null)
{
var oldcost = cameFrom.Cost;
var result = new List <PathInfo>();
var isFlat = AITile.GetSlope(tile) == AITile.SLOPE_FLAT;
var dirs = new int[][] { new int[] { 0, 1 }, new int[] { 0, -1 }, new int[] { 1, 0 }, new int[] { -1, 0 } };
var oldDir = Helper.GetDirection(tile, cameFrom.Previous.Tile);
foreach (var dir in dirs)
{
var x = dir[0];
var y = dir[1];
if (cameFrom.Tile == tile + AIMap.GetTileIndex(x, y))
{
continue;
}
var newDir = Helper.GetDirection(tile + AIMap.GetTileIndex(x, y), tile);
var isCoast = AITile.IsCoastTile(tile);
var straight = newDir == oldDir;
var maxLength = isCoast ? 20 : (straight ? 5 : 1);
TileIndex neighbor;
for (var length = 1; AIMap.IsValidTile(neighbor = tile + AIMap.GetTileIndex(x * length, y * length)) && length <= maxLength; length++)
{
if (isCoast)
{
if (!straight)
{
break;
}
if (AITile.IsWaterTile(neighbor))
{
continue;
}
}
double multiplier = 1;
if (AITile.IsFarmTile(neighbor) || AITile.IsRockTile(neighbor) || AITile.IsRoughTile(tile))
{
// Make farms, rocks, etc more expensive.
multiplier *= 1.1;
}
if (AITile.IsBuildable(neighbor))
{
double angleFactor = RailBuilder.CalculateAngle(neighbor, tile, cameFrom.Previous);
if (isCoast)
{
result.Add(new PathInfo(
neighbor,
length,
oldcost + ((length * multiplier * 2) + angleFactor),
BuildType.Bridge,
cameFrom
));
break;
}
else if ((isFlat && cameFrom.Length == 1) || ((length == 1) && straight))
{
result.Add(new PathInfo(
neighbor,
length,
oldcost + ((length * multiplier) + angleFactor),
length == 1 ? BuildType.Basic : BuildType.Bridge,
cameFrom
));
break;
}
}
else if (!(
(AIRail.IsRailTile(neighbor) || AIRoad.IsRoadTile(neighbor) || AITile.IsWaterTile(neighbor)) &&
(AITile.GetSlope(neighbor) == AITile.SLOPE_FLAT) &&
!AIStation.IsValidStation(AIStation.GetStationID(neighbor))))
{
// Can't built over
break;
}
}
}
return(result);
}
