| 1 | // |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions |
| 4 | // are met: |
| 5 | // * Redistributions of source code must retain the above copyright |
| 6 | // notice, this list of conditions and the following disclaimer. |
| 7 | // * Redistributions in binary form must reproduce the above copyright |
| 8 | // notice, this list of conditions and the following disclaimer in the |
| 9 | // documentation and/or other materials provided with the distribution. |
| 10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
| 11 | // contributors may be used to endorse or promote products derived |
| 12 | // from this software without specific prior written permission. |
| 13 | // |
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | // |
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
| 29 | |
| 30 | #ifndef PXS_SIMPLE_ISLAND_GEN_H |
| 31 | #define PXS_SIMPLE_ISLAND_GEN_H |
| 32 | |
| 33 | #include "PxsIslandSim.h" |
| 34 | #include "CmTask.h" |
| 35 | |
| 36 | namespace physx |
| 37 | { |
| 38 | |
| 39 | namespace Sc |
| 40 | { |
| 41 | class Interaction; |
| 42 | } |
| 43 | namespace IG |
| 44 | { |
| 45 | |
| 46 | class SimpleIslandManager; |
| 47 | |
| 48 | class ThirdPassTask : public Cm::Task |
| 49 | { |
| 50 | SimpleIslandManager& mIslandManager; |
| 51 | IslandSim& mIslandSim; |
| 52 | |
| 53 | public: |
| 54 | |
| 55 | ThirdPassTask(PxU64 contextID, SimpleIslandManager& islandManager, IslandSim& islandSim); |
| 56 | |
| 57 | virtual void runInternal(); |
| 58 | |
| 59 | virtual const char* getName() const |
| 60 | { |
| 61 | return "ThirdPassIslandGenTask" ; |
| 62 | } |
| 63 | |
| 64 | private: |
| 65 | PX_NOCOPY(ThirdPassTask) |
| 66 | }; |
| 67 | |
| 68 | class PostThirdPassTask : public Cm::Task |
| 69 | { |
| 70 | SimpleIslandManager& mIslandManager; |
| 71 | |
| 72 | public: |
| 73 | |
| 74 | PostThirdPassTask(PxU64 contextID, SimpleIslandManager& islandManager); |
| 75 | |
| 76 | virtual void runInternal(); |
| 77 | |
| 78 | virtual const char* getName() const |
| 79 | { |
| 80 | return "PostThirdPassTask" ; |
| 81 | } |
| 82 | private: |
| 83 | PX_NOCOPY(PostThirdPassTask) |
| 84 | }; |
| 85 | |
| 86 | class SimpleIslandManager |
| 87 | { |
| 88 | |
| 89 | HandleManager<PxU32> mNodeHandles; //! Handle manager for nodes |
| 90 | HandleManager<EdgeIndex> mEdgeHandles; //! Handle manager for edges |
| 91 | |
| 92 | //An array of destroyed nodes |
| 93 | Ps::Array<NodeIndex> mDestroyedNodes; |
| 94 | Cm::BlockArray<Sc::Interaction*> mInteractions; |
| 95 | |
| 96 | |
| 97 | //Edges destroyed this frame |
| 98 | Ps::Array<EdgeIndex> mDestroyedEdges; |
| 99 | Ps::Array<PartitionEdge*> mFirstPartitionEdges; |
| 100 | Ps::Array<PartitionEdge*> mDestroyedPartitionEdges; |
| 101 | //KS - stores node indices for a given edge. Node index 0 is at 2* edgeId and NodeIndex1 is at 2*edgeId + 1 |
| 102 | //can also be used for edgeInstance indexing so there's no need to figure out outboundNode ID either! |
| 103 | Cm::BlockArray<NodeIndex> mEdgeNodeIndices; |
| 104 | Cm::BlockArray<void*> mConstraintOrCm; //! Pointers to either the constraint or Cm for this pair |
| 105 | |
| 106 | Cm::BitMap mConnectedMap; |
| 107 | |
| 108 | IslandSim mIslandManager; |
| 109 | IslandSim mSpeculativeIslandManager; |
| 110 | |
| 111 | ThirdPassTask mSpeculativeThirdPassTask; |
| 112 | ThirdPassTask mAccurateThirdPassTask; |
| 113 | |
| 114 | PostThirdPassTask mPostThirdPassTask; |
| 115 | PxU32 mMaxDirtyNodesPerFrame; |
| 116 | |
| 117 | PxU64 mContextID; |
| 118 | public: |
| 119 | |
| 120 | SimpleIslandManager(bool useEnhancedDeterminism, PxU64 contextID); |
| 121 | |
| 122 | ~SimpleIslandManager(); |
| 123 | |
| 124 | NodeIndex addRigidBody(PxsRigidBody* body, bool isKinematic, bool isActive); |
| 125 | |
| 126 | void removeNode(const NodeIndex index); |
| 127 | |
| 128 | NodeIndex addArticulation(Sc::ArticulationSim* articulation, Dy::ArticulationV* llArtic, bool isActive); |
| 129 | |
| 130 | EdgeIndex addContactManager(PxsContactManager* manager, NodeIndex nodeHandle1, NodeIndex nodeHandle2, Sc::Interaction* interaction); |
| 131 | |
| 132 | EdgeIndex addConstraint(Dy::Constraint* constraint, NodeIndex nodeHandle1, NodeIndex nodeHandle2, Sc::Interaction* interaction); |
| 133 | |
| 134 | bool isConnected(EdgeIndex edgeIndex) const { return !!mConnectedMap.test(index: edgeIndex); } |
| 135 | |
| 136 | PX_FORCE_INLINE NodeIndex getEdgeIndex(EdgeInstanceIndex edgeIndex) const { return mEdgeNodeIndices[edgeIndex]; } |
| 137 | |
| 138 | void activateNode(NodeIndex index); |
| 139 | void deactivateNode(NodeIndex index); |
| 140 | void putNodeToSleep(NodeIndex index); |
| 141 | |
| 142 | void removeConnection(EdgeIndex edgeIndex); |
| 143 | |
| 144 | void firstPassIslandGen(); |
| 145 | void additionalSpeculativeActivation(); |
| 146 | void secondPassIslandGen(); |
| 147 | void thirdPassIslandGen(PxBaseTask* continuation); |
| 148 | |
| 149 | void clearDestroyedEdges(); |
| 150 | |
| 151 | void setEdgeConnected(EdgeIndex edgeIndex); |
| 152 | void setEdgeDisconnected(EdgeIndex edgeIndex); |
| 153 | |
| 154 | bool getIsEdgeConnected(EdgeIndex edgeIndex); |
| 155 | |
| 156 | void setEdgeRigidCM(const EdgeIndex edgeIndex, PxsContactManager* cm); |
| 157 | |
| 158 | void clearEdgeRigidCM(const EdgeIndex edgeIndex); |
| 159 | |
| 160 | void setKinematic(IG::NodeIndex nodeIndex); |
| 161 | |
| 162 | void setDynamic(IG::NodeIndex nodeIndex); |
| 163 | |
| 164 | const IslandSim& getSpeculativeIslandSim() const { return mSpeculativeIslandManager; } |
| 165 | const IslandSim& getAccurateIslandSim() const { return mIslandManager; } |
| 166 | |
| 167 | IslandSim& getAccurateIslandSim() { return mIslandManager; } |
| 168 | |
| 169 | PX_FORCE_INLINE PxU32 getNbEdgeHandles() const { return mEdgeHandles.getTotalHandles(); } |
| 170 | |
| 171 | PX_FORCE_INLINE PxU32 getNbNodeHandles() const { return mNodeHandles.getTotalHandles(); } |
| 172 | |
| 173 | void deactivateEdge(const EdgeIndex edge); |
| 174 | |
| 175 | PX_FORCE_INLINE PxsContactManager* getContactManager(IG::EdgeIndex edgeId) const { return reinterpret_cast<PxsContactManager*>(mConstraintOrCm[edgeId]); } |
| 176 | PX_FORCE_INLINE PxsContactManager* getContactManagerUnsafe(IG::EdgeIndex edgeId) const { return reinterpret_cast<PxsContactManager*>(mConstraintOrCm[edgeId]); } |
| 177 | PX_FORCE_INLINE Dy::Constraint* getConstraint(IG::EdgeIndex edgeId) const { return reinterpret_cast<Dy::Constraint*>(mConstraintOrCm[edgeId]); } |
| 178 | PX_FORCE_INLINE Dy::Constraint* getConstraintUnsafe(IG::EdgeIndex edgeId) const { return reinterpret_cast<Dy::Constraint*>(mConstraintOrCm[edgeId]); } |
| 179 | |
| 180 | PX_FORCE_INLINE Sc::Interaction* getInteraction(IG::EdgeIndex edgeId) const { return mInteractions[edgeId]; } |
| 181 | |
| 182 | PX_FORCE_INLINE PxU64 getContextId() const { return mContextID; } |
| 183 | |
| 184 | bool checkInternalConsistency(); |
| 185 | |
| 186 | |
| 187 | private: |
| 188 | |
| 189 | friend class ThirdPassTask; |
| 190 | friend class PostThirdPassTask; |
| 191 | |
| 192 | bool validateDeactivations() const; |
| 193 | |
| 194 | PX_NOCOPY(SimpleIslandManager) |
| 195 | }; |
| 196 | |
| 197 | |
| 198 | |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | #endif |
| 203 | |