Пример #1
0
        private static bool FindClosestFracturedTreeInternal(Vector3D fromPosition, Vector3D searchCenter, double searchRadius, MyPlaceArea area, 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;
                }

                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);
        }
Пример #2
0
        private static void FindFracturedTreesInternal(Vector3D fromPosition, MyPlaceArea area, BoundingSphereD sphere)
        {
            Debug.Assert(m_tmpFracturePieceList.Count == 0, "m_tmpFracturePieceList was not cleared after last use!");

            MyFracturedPiecesManager.Static.GetFracturesInSphere(ref sphere, ref m_tmpFracturePieceList);

            for (int i = m_tmpFracturePieceList.Count - 1; i >= 0; i--)
            {
                MyFracturedPiece fracture = m_tmpFracturePieceList[i];

                if (!MyTrees.IsEntityFracturedTree(fracture))
                {
                    m_tmpFracturePieceList.RemoveAtFast(i);
                    continue;
                }

                if (IsFracturedTreeStump(fracture))
                {
                    m_tmpFracturePieceList.RemoveAtFast(i);
                    continue;
                }

                Vector3D positionInTrunkLocal = Vector3D.Transform(fromPosition, fracture.PositionComp.WorldMatrixNormalizedInv);
                Vector3D closestPointOnTrunk;

                if (!FindClosestPointOnFracturedTree(positionInTrunkLocal, fracture, out closestPointOnTrunk))
                {
                    m_tmpFracturePieceList.RemoveAtFast(i);
                    continue;
                }

                if (!area.TestPoint(closestPointOnTrunk))
                {
                    m_tmpFracturePieceList.RemoveAtFast(i);
                    continue;
                }
            }
        }