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86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
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#ifndef GIM_BOX_SET_STRUCT_H_INCLUDED
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#define GIM_BOX_SET_STRUCT_H_INCLUDED
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/*! \file gim_box_set.h
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\author Francisco Leon Najera
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*/
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/*
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This source file is part of GIMPACT Library.
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For the latest info, see http://gimpact.sourceforge.net/
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Copyright (c) 2007 Francisco Leon Najera. C.C. 80087371.
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email: projectileman@yahoo.com
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "LinearMath/btAlignedObjectArray.h"
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#include "btBoxCollision.h"
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#include "btTriangleShapeEx.h"
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#include "gim_pair.h" //for GIM_PAIR
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///GIM_BVH_DATA is an internal GIMPACT collision structure to contain axis aligned bounding box
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struct GIM_BVH_DATA
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{
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btAABB m_bound;
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int m_data;
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};
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//! Node Structure for trees
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class GIM_BVH_TREE_NODE
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{
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public:
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btAABB m_bound;
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protected:
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int m_escapeIndexOrDataIndex;
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public:
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GIM_BVH_TREE_NODE()
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{
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m_escapeIndexOrDataIndex = 0;
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}
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SIMD_FORCE_INLINE bool isLeafNode() const
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{
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//skipindex is negative (internal node), triangleindex >=0 (leafnode)
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return (m_escapeIndexOrDataIndex >= 0);
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}
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SIMD_FORCE_INLINE int getEscapeIndex() const
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{
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//btAssert(m_escapeIndexOrDataIndex < 0);
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return -m_escapeIndexOrDataIndex;
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}
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SIMD_FORCE_INLINE void setEscapeIndex(int index)
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{
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m_escapeIndexOrDataIndex = -index;
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}
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SIMD_FORCE_INLINE int getDataIndex() const
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{
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//btAssert(m_escapeIndexOrDataIndex >= 0);
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return m_escapeIndexOrDataIndex;
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}
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SIMD_FORCE_INLINE void setDataIndex(int index)
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{
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m_escapeIndexOrDataIndex = index;
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}
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};
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#endif // GIM_BOXPRUNING_H_INCLUDED
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