public static bool FindClosestTreeInPlaceArea(Vector3D fromPosition, long entityId, MyHumanoidBot bot, out ItemInfo result)
{
result = default(ItemInfo);
MyPlaceArea area = MyPlaceArea.FromEntity(entityId);
if (area == null)
return false;
var areaBoundingBox = area.WorldAABB;
var entities = MyEntities.GetEntitiesInAABB(ref areaBoundingBox, true);
double closestDistanceSq = double.MaxValue;
foreach (MyEntity entity in entities)
{
MyTrees trees = entity as MyTrees;
if (trees == null) continue;
m_tmpEnvItemList.Clear();
trees.GetPhysicalItemsInRadius(areaBoundingBox.Center, (float)areaBoundingBox.HalfExtents.Length(), m_tmpEnvItemList);
foreach (var tree in m_tmpEnvItemList)
{
if (!area.TestPoint(tree.Transform.Position))
continue;
if (!bot.AgentLogic.AiTarget.IsTreeReachable(entity, tree.LocalId))
continue;
double distanceSq = Vector3D.DistanceSquared(fromPosition, tree.Transform.Position);
if (distanceSq < closestDistanceSq)
{
result.ItemsEntityId = entity.EntityId;
result.ItemId = tree.LocalId;
result.Target = tree.Transform.Position;
closestDistanceSq = distanceSq;
}
}
m_tmpEnvItemList.Clear();
}
entities.Clear();
return (closestDistanceSq != double.MaxValue);
}
public static bool FindClosestFracturedTreeInArea(Vector3D fromPosition, long areaEntityId, MyHumanoidBot bot, out EntityInfo result)
{
result = default(EntityInfo);
MyPlaceArea area = MyPlaceArea.FromEntity(areaEntityId);
if (area == null) return false;
BoundingBoxD areaBB = area.WorldAABB;
double radius = (double)areaBB.HalfExtents.Length();
return FindClosestFracturedTreeInternal(fromPosition, areaBB.Center, radius, area, bot, out result); ;
}
private static bool FindClosestFracturedTreeInternal(Vector3D fromPosition, Vector3D searchCenter, double searchRadius, MyPlaceArea area, MyHumanoidBot bot, out EntityInfo result)
{
result = default(EntityInfo);
double closestDistanceSq = double.MaxValue;
MyFracturedPiece closestTarget = null;
Vector3D closestPoint = default(Vector3D);
BoundingSphereD searchSphere = new BoundingSphereD(searchCenter, searchRadius);
m_tmpFracturePieceList.Clear();
MyFracturedPiecesManager.Static.GetFracturesInSphere(ref searchSphere, ref m_tmpFracturePieceList);
for (int i = 0; i < m_tmpFracturePieceList.Count; ++i)
{
var fracture = m_tmpFracturePieceList[i];
// Skip non-tree fractures
if (!MyTrees.IsEntityFracturedTree(fracture))
{
continue;
}
if (IsFracturedTreeStump(fracture))
continue;
if (!bot.AgentLogic.AiTarget.IsEntityReachable(fracture))
continue;
Vector3D positionInTrunkLocal = Vector3D.Transform(fromPosition, fracture.PositionComp.WorldMatrixNormalizedInv);
Vector3D closestPointOnTrunk;
if (!FindClosestPointOnFracturedTree(positionInTrunkLocal, fracture, out closestPointOnTrunk))
continue;
if (area == null || area.TestPoint(closestPointOnTrunk))
{
double distanceSq = Vector3D.DistanceSquared(closestPointOnTrunk, fromPosition);
if (distanceSq < closestDistanceSq)
{
closestDistanceSq = distanceSq;
closestTarget = fracture;
closestPoint = closestPointOnTrunk;
}
}
}
m_tmpFracturePieceList.Clear();
if (closestTarget == null)
return false;
result.EntityId = closestTarget.EntityId;
result.Target = closestPoint;
return true;
}
public static bool FindClosestFracturedTreeInRadius(Vector3D fromPosition, double radius, MyHumanoidBot bot, out EntityInfo result)
{
return FindClosestFracturedTreeInternal(fromPosition, fromPosition, radius, null, bot, out result);
}