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Diffstat (limited to 'contrib/Opcode/OPC_OptimizedTree.h')
| -rw-r--r-- | contrib/Opcode/OPC_OptimizedTree.h | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/contrib/Opcode/OPC_OptimizedTree.h b/contrib/Opcode/OPC_OptimizedTree.h deleted file mode 100644 index c36e21e..0000000 --- a/contrib/Opcode/OPC_OptimizedTree.h +++ /dev/null @@ -1,206 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/* - * OPCODE - Optimized Collision Detection - * Copyright (C) 2001 Pierre Terdiman - * Homepage: http://www.codercorner.com/Opcode.htm - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Contains code for optimized trees. - * \file OPC_OptimizedTree.h - * \author Pierre Terdiman - * \date March, 20, 2001 - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// Include Guard -#ifndef __OPC_OPTIMIZEDTREE_H__ -#define __OPC_OPTIMIZEDTREE_H__ - - //! Common interface for a node of an implicit tree - #define IMPLEMENT_IMPLICIT_NODE(base_class, volume) \ - public: \ - /* Constructor / Destructor */ \ - inline_ base_class() : mData(0) {} \ - inline_ ~base_class() {} \ - /* Leaf test */ \ - inline_ BOOL IsLeaf() const { return mData&1; } \ - /* Data access */ \ - inline_ const base_class* GetPos() const { return (base_class*)mData; } \ - inline_ const base_class* GetNeg() const { return ((base_class*)mData)+1; } \ - inline_ udword GetPrimitive() const { return (mData>>1); } \ - /* Stats */ \ - inline_ udword GetNodeSize() const { return SIZEOFOBJECT; } \ - \ - volume mAABB; \ - udword mData; - - //! Common interface for a node of a no-leaf tree - #define IMPLEMENT_NOLEAF_NODE(base_class, volume) \ - public: \ - /* Constructor / Destructor */ \ - inline_ base_class() : mPosData(0), mNegData(0) {} \ - inline_ ~base_class() {} \ - /* Leaf tests */ \ - inline_ BOOL HasPosLeaf() const { return mPosData&1; } \ - inline_ BOOL HasNegLeaf() const { return mNegData&1; } \ - /* Data access */ \ - inline_ const base_class* GetPos() const { return (base_class*)mPosData; } \ - inline_ const base_class* GetNeg() const { return (base_class*)mNegData; } \ - inline_ udword GetPosPrimitive() const { return (mPosData>>1); } \ - inline_ udword GetNegPrimitive() const { return (mNegData>>1); } \ - /* Stats */ \ - inline_ udword GetNodeSize() const { return SIZEOFOBJECT; } \ - \ - volume mAABB; \ - udword mPosData; \ - udword mNegData; - - class OPCODE_API AABBCollisionNode - { - IMPLEMENT_IMPLICIT_NODE(AABBCollisionNode, CollisionAABB) - - inline_ float GetVolume() const { return mAABB.mExtents.x * mAABB.mExtents.y * mAABB.mExtents.z; } - inline_ float GetSize() const { return mAABB.mExtents.SquareMagnitude(); } - inline_ udword GetRadius() const - { - udword* Bits = (udword*)&mAABB.mExtents.x; - udword Max = Bits[0]; - if(Bits[1]>Max) Max = Bits[1]; - if(Bits[2]>Max) Max = Bits[2]; - return Max; - } - - // NB: using the square-magnitude or the true volume of the box, seems to yield better results - // (assuming UNC-like informed traversal methods). I borrowed this idea from PQP. The usual "size" - // otherwise, is the largest box extent. In SOLID that extent is computed on-the-fly each time it's - // needed (the best approach IMHO). In RAPID the rotation matrix is permuted so that Extent[0] is - // always the greatest, which saves looking for it at runtime. On the other hand, it yields matrices - // whose determinant is not 1, i.e. you can't encode them anymore as unit quaternions. Not a very - // good strategy. - }; - - class OPCODE_API AABBQuantizedNode - { - IMPLEMENT_IMPLICIT_NODE(AABBQuantizedNode, QuantizedAABB) - - inline_ uword GetSize() const - { - const uword* Bits = mAABB.mExtents; - uword Max = Bits[0]; - if(Bits[1]>Max) Max = Bits[1]; - if(Bits[2]>Max) Max = Bits[2]; - return Max; - } - // NB: for quantized nodes I don't feel like computing a square-magnitude with integers all - // over the place.......! - }; - - class OPCODE_API AABBNoLeafNode - { - IMPLEMENT_NOLEAF_NODE(AABBNoLeafNode, CollisionAABB) - }; - - class OPCODE_API AABBQuantizedNoLeafNode - { - IMPLEMENT_NOLEAF_NODE(AABBQuantizedNoLeafNode, QuantizedAABB) - }; - - //! Common interface for a collision tree - #define IMPLEMENT_COLLISION_TREE(base_class, node) \ - public: \ - /* Constructor / Destructor */ \ - base_class(); \ - virtual ~base_class(); \ - /* Builds from a standard tree */ \ - override(AABBOptimizedTree) bool Build(AABBTree* tree); \ - /* Refits the tree */ \ - override(AABBOptimizedTree) bool Refit(const MeshInterface* mesh_interface); \ - /* Walks the tree */ \ - override(AABBOptimizedTree) bool Walk(GenericWalkingCallback callback, void* user_data) const; \ - /* Data access */ \ - inline_ const node* GetNodes() const { return mNodes; } \ - /* Stats */ \ - override(AABBOptimizedTree) udword GetUsedBytes() const { return mNbNodes*sizeof(node); } \ - private: \ - node* mNodes; - - typedef bool (*GenericWalkingCallback) (const void* current, void* user_data); - - class OPCODE_API AABBOptimizedTree - { - public: - // Constructor / Destructor - AABBOptimizedTree() : - mNbNodes (0) - {} - virtual ~AABBOptimizedTree() {} - - /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - /** - * Builds the collision tree from a generic AABB tree. - * \param tree [in] generic AABB tree - * \return true if success - */ - /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - virtual bool Build(AABBTree* tree) = 0; - - /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - /** - * Refits the collision tree after vertices have been modified. - * \param mesh_interface [in] mesh interface for current model - * \return true if success - */ - /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - virtual bool Refit(const MeshInterface* mesh_interface) = 0; - - /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - /** - * Walks the tree and call the user back for each node. - * \param callback [in] walking callback - * \param user_data [in] callback's user data - * \return true if success - */ - /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - virtual bool Walk(GenericWalkingCallback callback, void* user_data) const = 0; - - // Data access - virtual udword GetUsedBytes() const = 0; - inline_ udword GetNbNodes() const { return mNbNodes; } - - protected: - udword mNbNodes; - }; - - class OPCODE_API AABBCollisionTree : public AABBOptimizedTree - { - IMPLEMENT_COLLISION_TREE(AABBCollisionTree, AABBCollisionNode) - }; - - class OPCODE_API AABBNoLeafTree : public AABBOptimizedTree - { - IMPLEMENT_COLLISION_TREE(AABBNoLeafTree, AABBNoLeafNode) - }; - - class OPCODE_API AABBQuantizedTree : public AABBOptimizedTree - { - IMPLEMENT_COLLISION_TREE(AABBQuantizedTree, AABBQuantizedNode) - - public: - IcePoint mCenterCoeff; - IcePoint mExtentsCoeff; - }; - - class OPCODE_API AABBQuantizedNoLeafTree : public AABBOptimizedTree - { - IMPLEMENT_COLLISION_TREE(AABBQuantizedNoLeafTree, AABBQuantizedNoLeafNode) - - public: - IcePoint mCenterCoeff; - IcePoint mExtentsCoeff; - }; - -#endif // __OPC_OPTIMIZEDTREE_H__ |