93 lines
4.9 KiB
C++
93 lines
4.9 KiB
C++
/********************************************************************************
|
|
* ReactPhysics3D physics library, http://www.reactphysics3d.com *
|
|
* Copyright (c) 2010-2020 Daniel Chappuis *
|
|
*********************************************************************************
|
|
* *
|
|
* This software is provided 'as-is', without any express or implied warranty. *
|
|
* In no event will the authors be held liable for any damages arising from the *
|
|
* use of this software. *
|
|
* *
|
|
* Permission is granted to anyone to use this software for any purpose, *
|
|
* including commercial applications, and to alter it and redistribute it *
|
|
* freely, subject to the following restrictions: *
|
|
* *
|
|
* 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. *
|
|
* *
|
|
* 2. Altered source versions must be plainly marked as such, and must not be *
|
|
* misrepresented as being the original software. *
|
|
* *
|
|
* 3. This notice may not be removed or altered from any source distribution. *
|
|
* *
|
|
********************************************************************************/
|
|
|
|
// Libraries
|
|
#include <reactphysics3d/collision/OverlapCallback.h>
|
|
#include <reactphysics3d/engine/PhysicsWorld.h>
|
|
|
|
// We want to use the ReactPhysics3D namespace
|
|
using namespace reactphysics3d;
|
|
|
|
// Contact Pair Constructor
|
|
OverlapCallback::OverlapPair::OverlapPair(ContactPair& contactPair, PhysicsWorld& world, bool isLostOverlappingPair)
|
|
: mContactPair(contactPair), mWorld(world), mIsLostOverlapPair(isLostOverlappingPair) {
|
|
|
|
}
|
|
|
|
// Return a pointer to the first collider in contact
|
|
Collider* OverlapCallback::OverlapPair::getCollider1() const {
|
|
return static_cast<Collider*>(mWorld.mCollidersComponents.getCollider(mContactPair.collider1Entity));
|
|
}
|
|
|
|
// Return a pointer to the second collider in contact
|
|
Collider* OverlapCallback::OverlapPair::getCollider2() const {
|
|
return static_cast<Collider*>(mWorld.mCollidersComponents.getCollider(mContactPair.collider2Entity));
|
|
}
|
|
|
|
// Return a pointer to the first body in contact
|
|
CollisionBody* OverlapCallback::OverlapPair::getBody1() const {
|
|
return static_cast<CollisionBody*>(mWorld.mCollisionBodyComponents.getBody(mContactPair.body1Entity));
|
|
}
|
|
|
|
// Return a pointer to the second body in contact
|
|
CollisionBody* OverlapCallback::OverlapPair::getBody2() const {
|
|
return static_cast<CollisionBody*>(mWorld.mCollisionBodyComponents.getBody(mContactPair.body2Entity));
|
|
}
|
|
|
|
// Return the corresponding type of event for this overlapping pair
|
|
OverlapCallback::OverlapPair::EventType OverlapCallback::OverlapPair::getEventType() const {
|
|
|
|
if (mIsLostOverlapPair) return EventType::OverlapExit;
|
|
|
|
if (mContactPair.collidingInPreviousFrame) return EventType::OverlapStay;
|
|
|
|
return EventType::OverlapStart;
|
|
}
|
|
|
|
// CollisionCallbackData Constructor
|
|
OverlapCallback::CallbackData::CallbackData(Array<ContactPair>& contactPairs, Array<ContactPair>& lostContactPairs, bool onlyReportTriggers, PhysicsWorld& world)
|
|
:mContactPairs(contactPairs), mLostContactPairs(lostContactPairs),
|
|
mContactPairsIndices(world.mMemoryManager.getHeapAllocator()), mLostContactPairsIndices(world.mMemoryManager.getHeapAllocator()), mWorld(world) {
|
|
|
|
// Filter the contact pairs to only keep the overlap/trigger events (not the contact events)
|
|
const uint32 nbContactPairs = mContactPairs.size();
|
|
for (uint32 i=0; i < nbContactPairs; i++) {
|
|
|
|
// If the contact pair contains contacts (and is therefore not an overlap/trigger event)
|
|
if (!onlyReportTriggers || mContactPairs[i].isTrigger) {
|
|
mContactPairsIndices.add(i);
|
|
}
|
|
}
|
|
// Filter the lost contact pairs to only keep the overlap/trigger events (not the contact events)
|
|
const uint32 nbLostContactPairs = mLostContactPairs.size();
|
|
for (uint32 i=0; i < nbLostContactPairs; i++) {
|
|
|
|
// If the contact pair contains contacts (and is therefore not an overlap/trigger event)
|
|
if (!onlyReportTriggers || mLostContactPairs[i].isTrigger) {
|
|
mLostContactPairsIndices.add(i);
|
|
}
|
|
}
|
|
}
|