176 lines
5.6 KiB
C++
176 lines
5.6 KiB
C++
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#include "BpBroadPhase.h"
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#include "BpBroadPhaseSap.h"
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#include "BpBroadPhaseMBP.h"
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#include "PxSceneDesc.h"
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#include "CmBitMap.h"
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using namespace physx;
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using namespace Bp;
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using namespace Cm;
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BroadPhase* createABP(
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const PxU32 maxNbBroadPhaseOverlaps,
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const PxU32 maxNbStaticShapes,
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const PxU32 maxNbDynamicShapes,
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PxU64 contextID);
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BroadPhase* createMBP4(
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const PxU32 maxNbBroadPhaseOverlaps,
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const PxU32 maxNbStaticShapes,
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const PxU32 maxNbDynamicShapes,
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PxU64 contextID);
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BroadPhase* BroadPhase::create(
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const PxBroadPhaseType::Enum bpType,
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const PxU32 maxNbRegions,
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const PxU32 maxNbBroadPhaseOverlaps,
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const PxU32 maxNbStaticShapes,
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const PxU32 maxNbDynamicShapes,
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PxU64 contextID)
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{
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PX_ASSERT(bpType==PxBroadPhaseType::eMBP || bpType == PxBroadPhaseType::eSAP || bpType == PxBroadPhaseType::eABP);
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if(bpType==PxBroadPhaseType::eABP)
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return createABP(maxNbBroadPhaseOverlaps, maxNbStaticShapes, maxNbDynamicShapes, contextID);
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// return createMBP4(maxNbBroadPhaseOverlaps, maxNbStaticShapes, maxNbDynamicShapes, contextID);
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else if(bpType==PxBroadPhaseType::eMBP)
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return PX_NEW(BroadPhaseMBP)(maxNbRegions, maxNbBroadPhaseOverlaps, maxNbStaticShapes, maxNbDynamicShapes, contextID);
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else
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return PX_NEW(BroadPhaseSap)(maxNbBroadPhaseOverlaps, maxNbStaticShapes, maxNbDynamicShapes, contextID);
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// return createABP(maxNbBroadPhaseOverlaps, maxNbStaticShapes, maxNbDynamicShapes, contextID);
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}
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#if PX_CHECKED
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bool BroadPhaseUpdateData::isValid(const BroadPhaseUpdateData& updateData, const BroadPhase& bp)
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{
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return (updateData.isValid() && bp.isValid(updateData));
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}
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static bool testHandles(PxU32 size, const BpHandle* handles, const PxU32 capacity, const Bp::FilterGroup::Enum* groups, const PxBounds3* bounds, BitMap& bitmap)
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{
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if(!handles && size)
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return false;
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/* ValType minVal=0;
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ValType maxVal=0xffffffff;*/
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for(PxU32 i=0;i<size;i++)
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{
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const BpHandle h = handles[i];
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if(h>=capacity)
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return false;
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// Array in ascending order of id.
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if(i>0 && (h < handles[i-1]))
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return false;
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if(groups && groups[h]==FilterGroup::eINVALID)
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return false;
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bitmap.set(h);
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if(bounds)
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{
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for(PxU32 j=0;j<3;j++)
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{
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//Max must be greater than min.
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if(bounds[h].minimum[j]>bounds[h].maximum[j])
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return false;
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#if 0
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//Bounds have an upper limit.
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if(bounds[created[i]].getMax(j)>=maxVal)
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return false;
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//Bounds have a lower limit.
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if(bounds[created[i]].getMin(j)<=minVal)
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return false;
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//Max must be odd.
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if(4 != (bounds[created[i]].getMax(j) & 4))
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return false;
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//Min must be even.
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if(0 != (bounds[created[i]].getMin(j) & 4))
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return false;
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#endif
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}
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}
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}
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return true;
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}
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static bool testBitmap(const BitMap& bitmap, PxU32 size, const BpHandle* handles)
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{
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while(size--)
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{
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const BpHandle h = *handles++;
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if(bitmap.test(h))
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return false;
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}
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return true;
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}
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bool BroadPhaseUpdateData::isValid() const
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{
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const PxBounds3* bounds = getAABBs();
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const PxU32 boxesCapacity = getCapacity();
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const Bp::FilterGroup::Enum* groups = getGroups();
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BitMap createdBitmap; createdBitmap.resizeAndClear(boxesCapacity);
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BitMap updatedBitmap; updatedBitmap.resizeAndClear(boxesCapacity);
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BitMap removedBitmap; removedBitmap.resizeAndClear(boxesCapacity);
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if(!testHandles(getNumCreatedHandles(), getCreatedHandles(), boxesCapacity, groups, bounds, createdBitmap))
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return false;
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if(!testHandles(getNumUpdatedHandles(), getUpdatedHandles(), boxesCapacity, groups, bounds, updatedBitmap))
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return false;
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if(!testHandles(getNumRemovedHandles(), getRemovedHandles(), boxesCapacity, NULL, NULL, removedBitmap))
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return false;
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if(1)
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{
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// Created/updated
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if(!testBitmap(createdBitmap, getNumUpdatedHandles(), getUpdatedHandles()))
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return false;
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// Created/removed
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if(!testBitmap(createdBitmap, getNumRemovedHandles(), getRemovedHandles()))
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return false;
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// Updated/removed
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if(!testBitmap(updatedBitmap, getNumRemovedHandles(), getRemovedHandles()))
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return false;
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}
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return true;
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}
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#endif
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