82 lines
4.1 KiB
C++
82 lines
4.1 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://www.reactphysics3d.com *
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* Copyright (c) 2010-2020 Daniel Chappuis *
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*********************************************************************************
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* *
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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 *
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* use of this software. *
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* *
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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 *
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* freely, subject to the following restrictions: *
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* *
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* 1. The origin of this software must not be misrepresented; you must not claim *
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* that you wrote the original software. If you use this software in a *
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* product, an acknowledgment in the product documentation would be *
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* appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must not be *
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* misrepresented as being the original software. *
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* *
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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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********************************************************************************/
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// Libraries
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#include <reactphysics3d/collision/narrowphase/NarrowPhaseInfoBatch.h>
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#include <reactphysics3d/collision/ContactPointInfo.h>
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#include <reactphysics3d/collision/shapes/TriangleShape.h>
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#include <reactphysics3d/engine/OverlappingPairs.h>
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#include <iostream>
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using namespace reactphysics3d;
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// Constructor
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NarrowPhaseInfoBatch::NarrowPhaseInfoBatch(OverlappingPairs& overlappingPairs, MemoryAllocator& allocator)
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: mMemoryAllocator(allocator), mOverlappingPairs(overlappingPairs), narrowPhaseInfos(allocator){
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}
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// Destructor
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NarrowPhaseInfoBatch::~NarrowPhaseInfoBatch() {
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clear();
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}
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// Initialize the containers using cached capacity
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void NarrowPhaseInfoBatch::reserveMemory() {
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narrowPhaseInfos.reserve(mCachedCapacity);
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}
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// Clear all the objects in the batch
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void NarrowPhaseInfoBatch::clear() {
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for (uint32 i=0; i < narrowPhaseInfos.size(); i++) {
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assert(narrowPhaseInfos[i].nbContactPoints == 0);
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// TODO OPTI : Better manage this
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// Release the memory of the TriangleShape (this memory was allocated in the
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// MiddlePhaseTriangleCallback::testTriangle() method)
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if (narrowPhaseInfos[i].collisionShape1->getName() == CollisionShapeName::TRIANGLE) {
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narrowPhaseInfos[i].collisionShape1->~CollisionShape();
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narrowPhaseInfos[i].collisionShapeAllocator->release(narrowPhaseInfos[i].collisionShape1, sizeof(TriangleShape));
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}
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if (narrowPhaseInfos[i].collisionShape2->getName() == CollisionShapeName::TRIANGLE) {
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narrowPhaseInfos[i].collisionShape2->~CollisionShape();
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narrowPhaseInfos[i].collisionShapeAllocator->release(narrowPhaseInfos[i].collisionShape2, sizeof(TriangleShape));
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}
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}
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// Note that we clear the following containers and we release their allocated memory. Therefore,
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// if the memory allocator is a single frame allocator, the memory is deallocated and will be
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// allocated in the next frame at a possibly different location in memory (remember that the
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// location of the allocated memory of a single frame allocator might change between two frames)
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mCachedCapacity = narrowPhaseInfos.size();
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narrowPhaseInfos.clear(true);
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}
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