public static WorkTarget Closest(IEnumerable <WorkTarget> targets, Pawn pawn, float maxSearchDistance = 9999f)
{
WorkTarget best = null;
float bestDistance = float.MaxValue;
float bestPriority = float.MinValue;
float maxDistance = maxSearchDistance * maxSearchDistance;
foreach (var target in targets)
{
var distance = target.Distance;
var priority = target.Priority;
var prioritized = target.WorkGiver.Prioritized;
if (distance < maxDistance &&
// higher priority
(prioritized && priority > bestPriority ||
// not prioritized or same priority, and smaller distance
(!prioritized || priority == bestPriority) && distance < bestDistance) &&
target.Valid)
{
best = target;
bestDistance = distance;
bestPriority = priority;
}
}
return(best);
}
private ThinkResult GetJobFromBatch(Pawn pawn, List <WorkGiver_Scanner> batch, bool debug = false)
{
var priorityBatches = batch
.SelectMany(wg => PotentialTargets(wg, pawn))
.GroupBy(wt => new
{
spatialPriority = wt.SpatialPriority,
workGiver = wt.WorkGiver.def,
})
.OrderByDescending(g => g.Key.spatialPriority)
.ThenByDescending(g => g.Key.workGiver.priorityInType);
if (debug)
{
Debug.Log("batch: " + batch.Select(wg => wg.def.defName).StringJoin(", "));
}
// step 4; iterate over priorities until a job is found
foreach (var priorityBatch in priorityBatches)
{
if (debug)
{
Debug.Log($"priority {priorityBatch.Key.spatialPriority} " +
$"| {priorityBatch.Key.workGiver.priorityInType}:\n " +
$"{priorityBatch.Select( wt => $"{wt.WorkGiver.def.defName} :: {wt.LocalTarget} :: {( wt.Valid ? "Valid" : "Invalid" )} :: {( wt.Job != null ? "HasJob" : "NO JOB" )} :: {wt.WorkGiver.GetPriority( pawn, wt.Target )}" ).StringJoin( "\n " )}");
}
var target = WorkTarget.Closest(priorityBatch, pawn);
if (target != null)
{
// we found a target!
pawn.mindState.lastGivenWorkType = target.WorkGiver.def.workType;
var job = target.Job;
if (job == null)
{
Log.Error(string.Concat(target.WorkGiver, " provided target ", target.Target,
" but yielded no actual job for pawn ", pawn,
". The CanGiveJob and JobOnX methods may not be synchronized."));
}
else
{
return(new ThinkResult(job, this, target.WorkGiver.def.tagToGive));
}
}
}
return(ThinkResult.NoJob);
}
