81 lines
3.9 KiB
C++
81 lines
3.9 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://www.reactphysics3d.com *
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* Copyright (c) 2010-2016 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 "collision/CollisionCallback.h"
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#include "engine/OverlappingPair.h"
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#include "memory/Allocator.h"
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#include "collision/ContactManifold.h"
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// We want to use the ReactPhysics3D namespace
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using namespace reactphysics3d;
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// Constructor
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CollisionCallback::CollisionCallbackInfo::CollisionCallbackInfo(OverlappingPair* pair, Allocator& allocator) :
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contactManifoldElements(nullptr), body1(pair->getShape1()->getBody()),
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body2(pair->getShape2()->getBody()),
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proxyShape1(pair->getShape1()), proxyShape2(pair->getShape2()),
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mMemoryAllocator(allocator) {
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assert(pair != nullptr);
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const ContactManifoldSet& manifoldSet = pair->getContactManifoldSet();
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// For each contact manifold in the set of manifolds in the pair
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ContactManifold* contactManifold = manifoldSet.getContactManifolds();
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assert(contactManifold != nullptr);
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while (contactManifold != nullptr) {
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assert(contactManifold->getNbContactPoints() > 0);
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// Add the contact manifold at the beginning of the linked
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// list of contact manifolds of the first body
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ContactManifoldListElement* element = new (mMemoryAllocator.allocate(sizeof(ContactManifoldListElement)))
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ContactManifoldListElement(contactManifold,
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contactManifoldElements);
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contactManifoldElements = element;
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contactManifold = contactManifold->getNext();
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}
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}
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// Destructor
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CollisionCallback::CollisionCallbackInfo::~CollisionCallbackInfo() {
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// Release memory allocator for the contact manifold list elements
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ContactManifoldListElement* element = contactManifoldElements;
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while (element != nullptr) {
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ContactManifoldListElement* nextElement = element->getNext();
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// Delete and release memory
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element->~ContactManifoldListElement();
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mMemoryAllocator.release(element, sizeof(ContactManifoldListElement));
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element = nextElement;
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}
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}
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