1 /*
2  * Copyright (c) 2011-2021, The DART development contributors
3  * All rights reserved.
4  *
5  * The list of contributors can be found at:
6  *   https://github.com/dartsim/dart/blob/master/LICENSE
7  *
8  * This file is provided under the following "BSD-style" License:
9  *   Redistribution and use in source and binary forms, with or
10  *   without modification, are permitted provided that the following
11  *   conditions are met:
12  *   * Redistributions of source code must retain the above copyright
13  *     notice, this list of conditions and the following disclaimer.
14  *   * Redistributions in binary form must reproduce the above
15  *     copyright notice, this list of conditions and the following
16  *     disclaimer in the documentation and/or other materials provided
17  *     with the distribution.
18  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
19  *   CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
20  *   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21  *   MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  *   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23  *   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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25  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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29  *   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  *   POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include "dart/collision/bullet/detail/BulletCollisionDispatcher.hpp"
34 
35 #include "dart/collision/bullet/BulletCollisionObject.hpp"
36 
37 namespace dart {
38 namespace collision {
39 namespace detail {
40 
41 //==============================================================================
BulletCollisionDispatcher(btCollisionConfiguration * config)42 BulletCollisionDispatcher::BulletCollisionDispatcher(
43     btCollisionConfiguration* config)
44   : btCollisionDispatcher(config), mDone(false), mFilter(nullptr)
45 {
46   // Do nothing
47 }
48 
49 //==============================================================================
setDone(bool done)50 void BulletCollisionDispatcher::setDone(bool done)
51 {
52   mDone = done;
53 }
54 
55 //==============================================================================
setFilter(const std::shared_ptr<CollisionFilter> & filter)56 void BulletCollisionDispatcher::setFilter(
57     const std::shared_ptr<CollisionFilter>& filter)
58 {
59   mFilter = filter;
60 }
61 
62 //==============================================================================
getFilter() const63 auto BulletCollisionDispatcher::getFilter() const
64     -> std::shared_ptr<CollisionFilter>
65 {
66   return mFilter;
67 }
68 
69 //==============================================================================
needsCollision(const btCollisionObject * body0,const btCollisionObject * body1)70 bool BulletCollisionDispatcher::needsCollision(
71     const btCollisionObject* body0, const btCollisionObject* body1)
72 {
73   if (mDone)
74     return false;
75 
76   const auto collObj0
77       = static_cast<BulletCollisionObject*>(body0->getUserPointer());
78   const auto collObj1
79       = static_cast<BulletCollisionObject*>(body1->getUserPointer());
80 
81   if (mFilter && mFilter->ignoresCollision(collObj0, collObj1))
82     return false;
83 
84   return btCollisionDispatcher::needsCollision(body0, body1);
85 }
86 
87 } // namespace detail
88 } // namespace collision
89 } // namespace dart
90