diff options
Diffstat (limited to 'extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyLinkCollider.h')
| -rw-r--r-- | extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyLinkCollider.h | 124 |
1 files changed, 105 insertions, 19 deletions
diff --git a/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyLinkCollider.h b/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyLinkCollider.h index 5080ea87454..bc909990c21 100644 --- a/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyLinkCollider.h +++ b/extern/bullet2/src/BulletDynamics/Featherstone/btMultiBodyLinkCollider.h @@ -4,8 +4,8 @@ Copyright (c) 2013 Erwin Coumans http://bulletphysics.org 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, +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. @@ -19,21 +19,32 @@ subject to the following restrictions: #include "BulletCollision/CollisionDispatch/btCollisionObject.h" #include "btMultiBody.h" +#include "LinearMath/btSerializer.h" + +#ifdef BT_USE_DOUBLE_PRECISION +#define btMultiBodyLinkColliderData btMultiBodyLinkColliderDoubleData +#define btMultiBodyLinkColliderDataName "btMultiBodyLinkColliderDoubleData" +#else +#define btMultiBodyLinkColliderData btMultiBodyLinkColliderFloatData +#define btMultiBodyLinkColliderDataName "btMultiBodyLinkColliderFloatData" +#endif class btMultiBodyLinkCollider : public btCollisionObject { -//protected: + //protected: public: - btMultiBody* m_multiBody; int m_link; + virtual ~btMultiBodyLinkCollider() + { - btMultiBodyLinkCollider (btMultiBody* multiBody,int link) - :m_multiBody(multiBody), - m_link(link) + } + btMultiBodyLinkCollider(btMultiBody* multiBody, int link) + : m_multiBody(multiBody), + m_link(link) { - m_checkCollideWith = true; + m_checkCollideWith = true; //we need to remove the 'CF_STATIC_OBJECT' flag, otherwise links/base doesn't merge islands //this means that some constraints might point to bodies that are not in the islands, causing crashes //if (link>=0 || (multiBody && !multiBody->hasFixedBase())) @@ -49,18 +60,18 @@ public: } static btMultiBodyLinkCollider* upcast(btCollisionObject* colObj) { - if (colObj->getInternalType()&btCollisionObject::CO_FEATHERSTONE_LINK) + if (colObj->getInternalType() & btCollisionObject::CO_FEATHERSTONE_LINK) return (btMultiBodyLinkCollider*)colObj; return 0; } static const btMultiBodyLinkCollider* upcast(const btCollisionObject* colObj) { - if (colObj->getInternalType()&btCollisionObject::CO_FEATHERSTONE_LINK) + if (colObj->getInternalType() & btCollisionObject::CO_FEATHERSTONE_LINK) return (btMultiBodyLinkCollider*)colObj; return 0; } - virtual bool checkCollideWithOverride(const btCollisionObject* co) const + virtual bool checkCollideWithOverride(const btCollisionObject* co) const { const btMultiBodyLinkCollider* other = btMultiBodyLinkCollider::upcast(co); if (!other) @@ -71,22 +82,97 @@ public: return false; //check if 'link' has collision disabled - if (m_link>=0) + if (m_link >= 0) { const btMultibodyLink& link = m_multiBody->getLink(this->m_link); - if ((link.m_flags&BT_MULTIBODYLINKFLAGS_DISABLE_PARENT_COLLISION) && link.m_parent == other->m_link) - return false; + if (link.m_flags & BT_MULTIBODYLINKFLAGS_DISABLE_ALL_PARENT_COLLISION) + { + int parent_of_this = m_link; + while (1) + { + if (parent_of_this == -1) + break; + parent_of_this = m_multiBody->getLink(parent_of_this).m_parent; + if (parent_of_this == other->m_link) + { + return false; + } + } + } + else if (link.m_flags & BT_MULTIBODYLINKFLAGS_DISABLE_PARENT_COLLISION) + { + if (link.m_parent == other->m_link) + return false; + } } - - if (other->m_link>=0) + + if (other->m_link >= 0) { const btMultibodyLink& otherLink = other->m_multiBody->getLink(other->m_link); - if ((otherLink.m_flags& BT_MULTIBODYLINKFLAGS_DISABLE_PARENT_COLLISION) && otherLink.m_parent == this->m_link) - return false; + if (otherLink.m_flags & BT_MULTIBODYLINKFLAGS_DISABLE_ALL_PARENT_COLLISION) + { + int parent_of_other = other->m_link; + while (1) + { + if (parent_of_other == -1) + break; + parent_of_other = m_multiBody->getLink(parent_of_other).m_parent; + if (parent_of_other == this->m_link) + return false; + } + } + else if (otherLink.m_flags & BT_MULTIBODYLINKFLAGS_DISABLE_PARENT_COLLISION) + { + if (otherLink.m_parent == this->m_link) + return false; + } } return true; } + + virtual int calculateSerializeBufferSize() const; + + ///fills the dataBuffer and returns the struct name (and 0 on failure) + virtual const char* serialize(void* dataBuffer, class btSerializer* serializer) const; +}; + +// clang-format off + +struct btMultiBodyLinkColliderFloatData +{ + btCollisionObjectFloatData m_colObjData; + btMultiBodyFloatData *m_multiBody; + int m_link; + char m_padding[4]; }; -#endif //BT_FEATHERSTONE_LINK_COLLIDER_H +struct btMultiBodyLinkColliderDoubleData +{ + btCollisionObjectDoubleData m_colObjData; + btMultiBodyDoubleData *m_multiBody; + int m_link; + char m_padding[4]; +}; + +// clang-format on + +SIMD_FORCE_INLINE int btMultiBodyLinkCollider::calculateSerializeBufferSize() const +{ + return sizeof(btMultiBodyLinkColliderData); +} + +SIMD_FORCE_INLINE const char* btMultiBodyLinkCollider::serialize(void* dataBuffer, class btSerializer* serializer) const +{ + btMultiBodyLinkColliderData* dataOut = (btMultiBodyLinkColliderData*)dataBuffer; + btCollisionObject::serialize(&dataOut->m_colObjData, serializer); + + dataOut->m_link = this->m_link; + dataOut->m_multiBody = (btMultiBodyData*)serializer->getUniquePointer(m_multiBody); + + // Fill padding with zeros to appease msan. + memset(dataOut->m_padding, 0, sizeof(dataOut->m_padding)); + + return btMultiBodyLinkColliderDataName; +} +#endif //BT_FEATHERSTONE_LINK_COLLIDER_H |