/// <summary>Scans the map in chunks, evaluating all actors in each.</summary>
CPos?FindCoarseAttackLocationToSupportPower(SupportPowerInstance readyPower)
{
CPos?bestLocation = null;
var bestAttractiveness = 0;
var powerDecision = powerDecisions[readyPower.Info.OrderName];
if (powerDecision == null)
{
HackyAI.BotDebug("Bot Bug: FindAttackLocationToSupportPower, couldn't find powerDecision for {0}", readyPower.Info.OrderName);
return(null);
}
var map = world.Map;
var checkRadius = powerDecision.CoarseScanRadius;
for (var i = 0; i < map.MapSize.X; i += checkRadius)
{
for (var j = 0; j < map.MapSize.Y; j += checkRadius)
{
var tl = new MPos(i, j);
var br = new MPos(i + checkRadius, j + checkRadius);
var region = new CellRegion(map.Grid.Type, tl, br);
// HACK: The AI code should not be messing with raw coordinate transformations
var wtl = world.Map.CenterOfCell(tl.ToCPos(map));
var wbr = world.Map.CenterOfCell(br.ToCPos(map));
var targets = world.ActorMap.ActorsInBox(wtl, wbr);
var frozenTargets = frozenLayer.FrozenActorsInRegion(region);
var consideredAttractiveness = powerDecision.GetAttractiveness(targets, player) + powerDecision.GetAttractiveness(frozenTargets, player);
if (consideredAttractiveness <= bestAttractiveness || consideredAttractiveness < powerDecision.MinimumAttractiveness)
{
continue;
}
bestAttractiveness = consideredAttractiveness;
bestLocation = new MPos(i, j).ToCPos(map);
}
}
return(bestLocation);
}
/// <summary>Evaluates the attractiveness of a position according to all considerations</summary>
public int GetAttractiveness(WPos pos, Player firedBy, FrozenActorLayer frozenLayer)
{
var answer = 0;
var world = firedBy.World;
var targetTile = world.Map.CellContaining(pos);
if (!world.Map.Contains(targetTile))
{
return(0);
}
foreach (var consideration in Considerations)
{
var radiusToUse = new WDist(consideration.CheckRadius.Length);
var checkActors = world.FindActorsInCircle(pos, radiusToUse);
foreach (var scrutinized in checkActors)
{
answer += consideration.GetAttractiveness(scrutinized, firedBy.Stances[scrutinized.Owner], firedBy);
}
var delta = new WVec(radiusToUse, radiusToUse, WDist.Zero);
var tl = world.Map.CellContaining(pos - delta);
var br = world.Map.CellContaining(pos + delta);
var checkFrozen = frozenLayer.FrozenActorsInRegion(new CellRegion(world.Map.Grid.Type, tl, br));
// IsValid check filters out Frozen Actors that have not initizialized their Owner
foreach (var scrutinized in checkFrozen)
{
if (scrutinized.IsValid)
{
answer += consideration.GetAttractiveness(scrutinized, firedBy.Stances[scrutinized.Owner], firedBy);
}
}
}
return(answer);
}