private TileSide GetClosestSide(VineTile tile, Vector2 targetPos)
{
var(distX, distY) = tile.Position + Behavior.GetWorldPosition() - targetPos;
int absDistX = (int)Math.Abs(distX), absDistY = (int)Math.Abs(distY);
return(absDistX > absDistY ? distX > 0 ? TileSide.Left : TileSide.Right : distY > 0 ? TileSide.Bottom : TileSide.Top);
}
private Item?ScanForTargets(VineTile branch)
{
Hull parent = Behavior.Parent;
Vector2 worldPos = Behavior.GetWorldPosition() + branch.Position;
Vector2 pos = parent.Position + Behavior.Offset + branch.Position;
Vector2 diameter = ConvertUnits.ToSimUnits(new Vector2(branch.Rect.Width / 2f, branch.Rect.Height / 2f));
Vector2 topLeft = ConvertUnits.ToSimUnits(pos) - diameter;
Vector2 bottomRight = ConvertUnits.ToSimUnits(pos) + diameter;
int highestPriority = 0;
Item?currentItem = null;
foreach (Item item in Item.ItemList.Where(it => !Behavior.ClaimedTargets.Contains(it)))
{
if (Behavior.IgnoredTargets.ContainsKey(item))
{
continue;
}
int priority = 0;
foreach (BallastFloraBehavior.AITarget target in Behavior.Targets)
{
if (!target.Matches(item) || target.Priority <= highestPriority)
{
continue;
}
priority = target.Priority;
break;
}
if (priority == 0)
{
continue;
}
if (item.Submarine != parent.Submarine || Vector2.Distance(worldPos, item.WorldPosition) > Behavior.Sight)
{
continue;
}
Vector2 itemSimPos = ConvertUnits.ToSimUnits(item.Position);
#if DEBUG || UNSTABLE
Tuple <Vector2, Vector2> debugLine1 = Tuple.Create(parent.Position - ConvertUnits.ToDisplayUnits(topLeft), parent.Position - ConvertUnits.ToDisplayUnits(itemSimPos - diameter));
Tuple <Vector2, Vector2> debugLine2 = Tuple.Create(parent.Position - ConvertUnits.ToDisplayUnits(bottomRight), parent.Position - ConvertUnits.ToDisplayUnits(itemSimPos + diameter));
Behavior.debugSearchLines.Add(debugLine2);
Behavior.debugSearchLines.Add(debugLine1);
#endif
Body?body1 = Submarine.CheckVisibility(itemSimPos - diameter, topLeft);
if (Blocks(body1, item))
{
continue;
}
Body?body2 = Submarine.CheckVisibility(itemSimPos + diameter, bottomRight);
if (Blocks(body2, item))
{
continue;
}
highestPriority = priority;
currentItem = item;
}
if (currentItem != null)
{
foreach (BallastFloraBranch existingBranch in Behavior.Branches)
{
if (Behavior.BranchContainsTarget(existingBranch, currentItem))
{
Behavior.ClaimTarget(currentItem, existingBranch);
return(null);
}
}
return(currentItem);
}
return(null);
