/// <summary>
/// Searches the entities that are in a rectangular area around the owner entity with the given radius.
/// </summary>
/// <param name="searchAreaRadius">The radius of the search area given in quadratic tiles.</param>
/// <returns>The entities that are in the search area.</returns>
public RCSet <Entity> SearchNearbyEntities(int searchAreaRadius)
{
RCSet <Entity> nearbyEntities = this.owner.Read().Scenario.GetElementsOnMap <Entity>(this.owner.Read().MotionControl.PositionVector.Read(), searchAreaRadius, MapObjectLayerEnum.GroundObjects, MapObjectLayerEnum.AirObjects);
nearbyEntities.Remove(this.owner.Read());
return(nearbyEntities);
}
/// <summary>
/// Internal implementation of ComputeFieldOffsets.
/// </summary>
/// <param name="types">The list of the types.</param>
/// <param name="triedTypeIDs">Used to avoid infinite loop.</param>
private void ComputeFieldOffsetsInternal(List <HeapType> types, ref RCSet <short> triedTypeIDs)
{
if (this.fieldIndices == null)
{
return;
}
if (!triedTypeIDs.Add(this.id))
{
throw new HeapException(string.Format("Infinite cycle found in the layout of element '{0}'!", this.name));
}
int allocationSize = 0;
for (int fieldIdx = 0; fieldIdx < this.fieldTypeIDs.Count; fieldIdx++)
{
this.fieldOffsets[fieldIdx] = allocationSize;
short fieldTypeID = this.fieldTypeIDs[fieldIdx];
HeapType fieldType = types[fieldTypeID];
if (fieldType.AllocationSize == -1)
{
/// Compute the allocation size of the field type first.
fieldType.ComputeFieldOffsetsInternal(types, ref triedTypeIDs);
}
allocationSize += fieldType.AllocationSize;
}
this.allocationSize = allocationSize;
triedTypeIDs.Remove(this.id);
}
/// <summary>
/// Locates the entities that are in the sight-range of the owner entity.
/// </summary>
/// <returns>The entities that are in the sight-range of the owner entity.</returns>
public RCSet <Entity> LocateEntities()
{
/// Collect the entities in sight-range.
RCSet <Entity> retList = new RCSet <Entity>();
RCSet <Entity> entitiesToCheck = this.owner.Read().Scenario.GetElementsOnMap <Entity>(this.owner.Read().MotionControl.PositionVector.Read(), this.GetSightRangeOfOwner(), MapObjectLayerEnum.GroundObjects, MapObjectLayerEnum.AirObjects);
entitiesToCheck.Remove(this.owner.Read());
RCSet <RCIntVector> visibleQuadCoords = this.VisibleQuadCoords;
foreach (Entity entity in entitiesToCheck)
{
bool breakFlag = false;
for (int row = entity.MapObject.QuadraticPosition.Top; !breakFlag && row < entity.MapObject.QuadraticPosition.Bottom; row++)
{
for (int col = entity.MapObject.QuadraticPosition.Left; !breakFlag && col < entity.MapObject.QuadraticPosition.Right; col++)
{
if (visibleQuadCoords.Contains(new RCIntVector(col, row)))
{
retList.Add(entity);
breakFlag = true;
}
}
}
}
return(retList);
}
