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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef PX_COLLISION_TRIGGERINTERACTION
#define PX_COLLISION_TRIGGERINTERACTION
#include "ScRbElementInteraction.h"
#include "GuOverlapTests.h"
namespace physx
{
namespace Sc
{
class TriggerInteraction : public RbElementInteraction
{
public:
enum TriggerFlag
{
PAIR_FLAGS_MASK = ((PxPairFlag::eNOTIFY_TOUCH_LOST << 1) - 1), // Bits where the PxPairFlags eNOTIFY_TOUCH_FOUND and eNOTIFY_TOUCH_LOST get stored
NEXT_FREE = ((PAIR_FLAGS_MASK << 1) & ~PAIR_FLAGS_MASK),
PROCESS_THIS_FRAME = (NEXT_FREE << 0), // the trigger pair is new or the pose of an actor was set -> initial processing required.
// This is important to cover cases where a static or kinematic
// (non-moving) trigger is created and overlaps with a sleeping
// object. Or for the case where a static/kinematic is teleported to a new
// location. TOUCH_FOUND should still get sent in that case.
LAST = (NEXT_FREE << 1)
};
TriggerInteraction(ShapeSim& triggerShape, ShapeSim& otherShape);
virtual ~TriggerInteraction();
PX_FORCE_INLINE Gu::TriggerCache& getTriggerCache() { return mTriggerCache; }
PX_FORCE_INLINE ShapeSim& getTriggerShape() const { return getShape0(); }
PX_FORCE_INLINE ShapeSim& getOtherShape() const { return getShape1(); }
PX_FORCE_INLINE bool lastFrameHadContacts() const { return mLastFrameHadContacts; }
PX_FORCE_INLINE void updateLastFrameHadContacts(bool hasContact) { mLastFrameHadContacts = hasContact; }
PX_FORCE_INLINE PxPairFlags getTriggerFlags() const { return PxPairFlags(PxU32(mFlags) & PAIR_FLAGS_MASK); }
PX_FORCE_INLINE void setTriggerFlags(PxPairFlags triggerFlags);
PX_FORCE_INLINE void raiseFlag(TriggerFlag flag) { mFlags |= flag; }
PX_FORCE_INLINE void clearFlag(TriggerFlag flag) { mFlags &= ~flag; }
PX_FORCE_INLINE Ps::IntBool readFlag(TriggerFlag flag) const { return Ps::IntBool(mFlags & flag); }
PX_FORCE_INLINE void forceProcessingThisFrame(Sc::Scene& scene);
//////////////////////// interaction ////////////////////////
virtual bool onActivate(void*);
virtual bool onDeactivate(PxU32 infoFlag);
private:
bool isOneActorActive() const;
protected:
Gu::TriggerCache mTriggerCache;
PxU16 mFlags;
bool mLastFrameHadContacts;
};
} // namespace Sc
PX_FORCE_INLINE void Sc::TriggerInteraction::setTriggerFlags(PxPairFlags triggerFlags)
{
PX_ASSERT(PxU32(triggerFlags) < (PxPairFlag::eDETECT_CCD_CONTACT << 1)); // to find out if a new PxPairFlag has been added in which case PAIR_FLAGS_MASK needs to get adjusted
#if PX_CHECKED
if (triggerFlags & PxPairFlag::eNOTIFY_TOUCH_PERSISTS)
{
PX_WARN_ONCE("Trigger pairs do not support PxPairFlag::eNOTIFY_TOUCH_PERSISTS events any longer.");
}
#endif
PxU32 newFlags = mFlags;
PxU32 fl = PxU32(triggerFlags) & PxU32(PxPairFlag::eNOTIFY_TOUCH_FOUND|PxPairFlag::eNOTIFY_TOUCH_LOST);
newFlags &= (~PAIR_FLAGS_MASK); // clear old flags
newFlags |= fl;
mFlags = PxU16(newFlags);
}
PX_FORCE_INLINE void Sc::TriggerInteraction::forceProcessingThisFrame(Sc::Scene& scene)
{
raiseFlag(PROCESS_THIS_FRAME);
if (!readInteractionFlag(InteractionFlag::eIS_ACTIVE))
{
raiseInteractionFlag(InteractionFlag::eIS_ACTIVE);
scene.notifyInteractionActivated(this);
}
}
}
#endif
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