/* Update the interface_t object with the information returned
* in get_map_cursor_type(). This is sets the appropriate values
* when the player interface is in road construction mode. */
void DetermineMapCursorTypeRoad()
{
var map = Game.Map;
var position = mapCursorPosition;
int height = (int)map.GetHeight(position);
int validDirection = 0;
var cycle = DirectionCycleCW.CreateDefault();
foreach (var direction in cycle)
{
uint sprite = 0;
if (buildingRoad.IsUndo(direction))
{
sprite = 44; // undo
validDirection |= Misc.Bit((int)direction);
}
else if (map.IsRoadSegmentValid(position, direction, true))
{
if (buildingRoad.IsValidExtension(map, direction))
{
int heightDifference = (int)map.GetHeight(map.Move(position, direction)) - height;
sprite = (uint)(38 + heightDifference); // height indicators
validDirection |= Misc.Bit((int)direction);
}
else
{
sprite = 43;
}
}
else
{
sprite = 43; // striped
}
mapCursorSprites[(int)direction + 1].Sprite = sprite;
}
buildingRoadValidDir = validDirection;
}
void DrawMapCursor()
{
if (ShowPossibleBuilds)
{
DrawMapCursorPossibleBuild();
}
else
{
ClearMapCursorPossibleBuild();
}
var position = interf.GetMapCursorPosition();
DrawMapCursorSprite(position, 0, interf.GetMapCursorSprite(0));
var cycle = DirectionCycleCW.CreateDefault();
foreach (var direction in cycle)
{
DrawMapCursorSprite(map.Move(position, direction), 1 + (int)direction, interf.GetMapCursorSprite(1 + (int)direction));
}
}
public override void Update(AI ai, Game game, Player player, PlayerInfo playerInfo, int tick)
{
lock (linkingLock)
{
if (linkingCount > 0)
{
return;
}
}
var flags = game.GetPlayerFlags(player);
// check if memorized flags still exist
// otherwise remove them
var keys = connectTriesPerFlag.Keys.ToList();
foreach (var key in keys)
{
try
{
if (game.GetFlag(key.Index) == null)
{
connectTriesPerFlag.Remove(key);
}
}
catch (KeyNotFoundException)
{
connectTriesPerFlag.Remove(key);
}
}
lock (linkingFailedLock)
{
keys = linkingFailed.Keys.ToList();
foreach (var key in keys)
{
try
{
if (game.GetFlag(key.Index) == null)
{
linkingFailed.Remove(key);
}
}
catch (KeyNotFoundException)
{
linkingFailed.Remove(key);
}
}
}
try
{
foreach (var flag in flags)
{
// If it failed to link a flag we will only re-check it
// after 2 minutes.
lock (linkingFailedLock)
{
if (linkingFailed.ContainsKey(flag))
{
int time = linkingFailed[flag];
if (tick < time)
{
time = int.MaxValue - time + tick;
}
else
{
time = tick - time;
}
if (time >= 2 * Global.TICKS_PER_MIN)
{
linkingFailed.Remove(flag);
}
else
{
continue;
}
}
}
if (!connectTriesPerFlag.ContainsKey(flag))
{
connectTriesPerFlag[flag] = 0;
}
if ((flag.LandPaths == 0 || flag.FindNearestInventoryForSerf() == -1) && ++connectTriesPerFlag[flag] < 3)
{
LinkFlag(ai, flag, 9, false, tick);
return;
}
}
foreach (var flag in flags)
{
bool finishedLinking = false;
if (flag.HasBuilding)
{
var building = flag.Building;
// don't link flags of foresters and farms more than necessary as they need space for their work
if (building.BuildingType == Building.Type.Forester || building.BuildingType == Building.Type.Farm)
{
finishedLinking = true;
}
}
// TODO: maybe check later if there are foresters or farms around and stop linking in the area then
// we also check if the link is good
if (!finishedLinking)
{
var cycle = DirectionCycleCW.CreateDefault();
var paths = new List <Direction>();
foreach (var direction in cycle)
{
if (flag.HasPath(direction))
{
paths.Add(direction);
}
}
if (paths.Count < 6)
{
int shortestPath = int.MaxValue;
foreach (var direction in paths)
{
int pathLength = (int)flag.GetRoad(direction).Length;
if (pathLength < shortestPath)
{
shortestPath = pathLength;
}
if (shortestPath == 2)
{
break;
}
}
if (shortestPath > 2 + paths.Count * 2)
{
LinkFlag(ai, flag, 2 + paths.Count * 2, true, tick);
return;
}
else
{
var nearbyFlags = game.Map.FindInArea(flag.Position, 4, FindFlag, 2);
if (nearbyFlags.Count > paths.Count)
{
LinkFlag(ai, game, flag, nearbyFlags, 4, true, tick);
return;
}
}
}
}
}
}
finally
{
lock (linkingLock)
{
if (linkingCount < 0)
{
linkingCount = 0;
}
}
Kill(ai);
}
}
int CheckCastleSpot(AI ai, Game game, Player player, MapPos position, int intelligence)
{
var map = game.Map;
int treeCount = map.FindInArea(position, 5, FindTree, 1).Count;
int stoneCount = map.FindInArea(position, 5, FindStone, 1).Count;
int fishCount = map.FindInArea(position, 7, FindFish, 1).Count;
int mountainCountNear = map.FindInArea(position, 4, FindMountain, 0).Count;
int mountainCountFar = map.FindInArea(position, 9, FindMountain, 4).Count;
int desertCount = map.FindInArea(position, 6, FindDesert, 0).Count;
int waterCount = map.FindInArea(position, 6, FindWater, 0).Count;
int numLargeSpots = 3;
int numSmallSpots = 3;
int keepDistanceToEnemies = 30 - (aggressivity / 2) * 10;
if (player.InitialSupplies < 5)
{
// we need coal and iron close enough when starting with low supplies
var minerals = map.FindInArea(position, 9, FindMineral, 1).Select(m => (KeyValuePair <Map.Minerals, uint>)m);
int ironCount = minerals.Where(m => m.Key == Map.Minerals.Iron).Select(m => (int)m.Value).Sum();
int coalCount = minerals.Where(m => m.Key == Map.Minerals.Coal).Select(m => (int)m.Value).Sum();
if (ironCount == 0 || coalCount == 0)
{
return(-1);
}
}
else // good amount of starting resources
{
if (map.Size > 5)
{
if (treeCount < 12 || stoneCount < 6)
{
return(-1);
}
}
else if (map.Size == 5)
{
if (treeCount < 9 || stoneCount < 5)
{
return(-1);
}
}
else if (map.Size == 4)
{
if (treeCount < 7 || stoneCount < 4)
{
return(-1);
}
}
}
// if we tried too often we will only assure that there is a bit of trees and stones
if (numTries >= 25 + map.Size * 5)
{
if (treeCount < 5 || stoneCount < 2)
{
return(-1);
}
if (numTries < 500) // after 500 tries, just place it somewhere
{
if (mountainCountNear > 7) // too close to mountain
{
return(-1);
}
if (desertCount > 6) // too much desert
{
return(-1);
}
if (waterCount > 8) // too much water
{
return(-1);
}
if (player.InitialSupplies < 3) // with 3 or more we have 1 iron ore and 1 coal
{
if (fishCount == 0 || stoneCount < 2 || treeCount < 5)
{
return(-1);
}
}
numLargeSpots = 2; // the toolmaker can be build when we have expanded the land
if (numTries >= 80 && player.InitialSupplies > 4)
{
numLargeSpots = 1; // we need to expand the territory to build the sawmill
}
if (game.Map.Size < 5)
{
// in small maps we no longer force enemy distance after many tries
if (numTries >= 120)
{
keepDistanceToEnemies = 0;
}
else if (numTries >= 80)
{
keepDistanceToEnemies = 15;
}
}
else if (numTries >= 200) // if tried very long we will have mercy in any case
{
keepDistanceToEnemies = 0;
}
}
}
else
{
if (mountainCountNear > 4) // too close to mountain
{
return(-1);
}
if (desertCount > 3) // too much desert
{
return(-1);
}
if (desertCount + waterCount + mountainCountNear + mountainCountFar > 10) // too much desert/water/mountain
{
return(-1);
}
var minerals = map.FindInArea(position, 9, FindMineral, 1).Select(m => (KeyValuePair <Map.Minerals, uint>)m);
int stoneOreCount = minerals.Where(m => m.Key == Map.Minerals.Stone).Select(m => (int)m.Value).Sum();
int goldCount = minerals.Where(m => m.Key == Map.Minerals.Gold).Select(m => (int)m.Value).Sum();
int ironCount = minerals.Where(m => m.Key == Map.Minerals.Iron).Select(m => (int)m.Value).Sum();
int coalCount = minerals.Where(m => m.Key == Map.Minerals.Coal).Select(m => (int)m.Value).Sum();
if (player.InitialSupplies < 5)
{
if (treeCount < 8 || stoneCount < 4 || fishCount < 1 || ironCount == 0 || coalCount == 0)
{
return(-1);
}
}
// low intelligence will treat half the mountains as the right mineral without checking
int halfMountainCount = (mountainCountNear + mountainCountFar) / 2;
int minConstructionCount = 3 + intelligence / 10 + Math.Max(buildingFocus, constructionMaterialFocus) * 5;
if (treeCount + stoneCount + Math.Max(halfMountainCount, stoneOreCount) < minConstructionCount)
{
return(-1);
}
int minFishCount = foodFocus * 5 + (player.InitialSupplies < 5 ? 1 : 0);
if (fishCount < minFishCount)
{
return(-1);
}
int minSteelCount = Math.Max(steelFocus, militaryFocus / 2) * 2;
int steelOreCount = (intelligence < 20) ? Math.Max(halfMountainCount, ironCount + coalCount) : ironCount + coalCount;
if (steelOreCount < minSteelCount)
{
return(-1);
}
int minGoldCount = goldFocus / 2;
int goldOreCount = (intelligence < 20) ? Math.Max(halfMountainCount, goldCount) : ironCount + coalCount;
if (goldCount < minGoldCount)
{
return(-1);
}
}
if (keepDistanceToEnemies > 0 && numTries < 1000)
{
for (uint i = 0; i < game.PlayerCount; ++i)
{
var enemy = game.GetPlayer(i);
if (enemy == player || !enemy.HasCastle)
{
continue;
}
int distance = Math.Min(Math.Abs(game.Map.DistanceX(position, enemy.CastlePosition)), Math.Abs(game.Map.DistanceY(position, enemy.CastlePosition)));
if (distance < keepDistanceToEnemies)
{
return(-1);
}
}
}
// check if we can build at least: lumberjack, stonecutter, sawmill, toolmaker and one hut
// -> 3 small and 2 large buildings
// but we check the castle too, so 3 large buildings
int numSmall = 0;
int numLarge = 0;
List <uint> largeSpots = new List <uint>();
// If the AI is smart we better use a spot with more large spots.
if (numTries < 25 + map.Size * 5)
{
numLargeSpots += ai.Smartness;
}
for (int i = 0; i < 100; ++i)
{
uint checkPosition = map.PositionAddSpirally(position, (uint)i);
if (game.CanBuildLarge(checkPosition))
{
++numSmall;
++numLarge;
largeSpots.Add(checkPosition);
}
else if (game.CanBuildSmall(checkPosition))
{
++numSmall;
}
if (numLarge >= numLargeSpots && (numSmall - numLargeSpots) >= numSmallSpots)
{
if (ai.Smartness == 0)
{
return((int)largeSpots[0]);
}
else
{
foreach (var spot in largeSpots)
{
var flagPosition = map.MoveDownRight(spot);
var directions = new DirectionCycleCW(Direction.Up, 5);
bool obstacleFound = false;
foreach (var direction in directions)
{
if (Map.MapSpaceFromObject[(int)map.GetObject(map.Move(flagPosition, direction))] >= Map.Space.Semipassable)
{
obstacleFound = true;
break;
}
}
if (!obstacleFound)
{
return((int)spot);
}
}
}
}
}
return(-1);
}
