diff options
Diffstat (limited to 'src/server/collision/BoundingIntervalHierarchy.h')
| -rwxr-xr-x | src/server/collision/BoundingIntervalHierarchy.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/server/collision/BoundingIntervalHierarchy.h b/src/server/collision/BoundingIntervalHierarchy.h index b0c35237a9d..ea70fc3e322 100755 --- a/src/server/collision/BoundingIntervalHierarchy.h +++ b/src/server/collision/BoundingIntervalHierarchy.h @@ -81,13 +81,25 @@ struct AABound class BIH { + private: + void init_empty() + { + tree.clear(); + objects.clear(); + // create space for the first node + tree.push_back(3 << 30); // dummy leaf + tree.insert(tree.end(), 2, 0); + } public: - BIH() {}; - template< class T, class BoundsFunc > - void build(const std::vector<T> &primitives, BoundsFunc &getBounds, uint32 leafSize = 3, bool printStats=false) + BIH() { init_empty(); } + template< class BoundsFunc, class PrimArray > + void build(const PrimArray &primitives, BoundsFunc &getBounds, uint32 leafSize = 3, bool printStats=false) { - if (primitives.empty()) + if (primitives.size() == 0) + { + init_empty(); return; + } buildData dat; dat.maxPrims = leafSize; @@ -397,4 +409,4 @@ class BIH void subdivide(int left, int right, std::vector<uint32> &tempTree, buildData &dat, AABound &gridBox, AABound &nodeBox, int nodeIndex, int depth, BuildStats &stats); }; -#endif // _BIH_H +#endif // _BIH_H
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