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71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.org
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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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#ifndef B3_OVERLAPPING_PAIR_H
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#define B3_OVERLAPPING_PAIR_H
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#include "Bullet3Common/shared/b3Int4.h"
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#define B3_NEW_PAIR_MARKER -1
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#define B3_REMOVED_PAIR_MARKER -2
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typedef b3Int4 b3BroadphasePair;
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inline b3Int4 b3MakeBroadphasePair(int xx, int yy)
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{
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b3Int4 pair;
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if (xx < yy)
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{
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pair.x = xx;
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pair.y = yy;
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}
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else
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{
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pair.x = yy;
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pair.y = xx;
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}
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pair.z = B3_NEW_PAIR_MARKER;
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pair.w = B3_NEW_PAIR_MARKER;
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return pair;
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}
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/*struct b3BroadphasePair : public b3Int4
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{
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explicit b3BroadphasePair(){}
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};
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*/
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class b3BroadphasePairSortPredicate
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{
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public:
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bool operator()(const b3BroadphasePair& a, const b3BroadphasePair& b) const
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{
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const int uidA0 = a.x;
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const int uidB0 = b.x;
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const int uidA1 = a.y;
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const int uidB1 = b.y;
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return uidA0 > uidB0 || (uidA0 == uidB0 && uidA1 > uidB1);
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}
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};
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B3_FORCE_INLINE bool operator==(const b3BroadphasePair& a, const b3BroadphasePair& b)
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{
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return (a.x == b.x) && (a.y == b.y);
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}
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#endif //B3_OVERLAPPING_PAIR_H
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