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/*
* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#include "SampleSceneController.h"
#include "ApexRenderer.h" // for matrix conversion
#include <DirectXMath.h>
#include "XInput.h"
#include "DXUTMisc.h"
#pragma warning(push)
#pragma warning(disable : 4481) // Suppress "nonstandard extension used" warning
#include "DXUTCamera.h"
#pragma warning(pop)
#include "PxPhysicsAPI.h"
#include "PxMath.h"
#include "PsString.h"
#include "ApexResourceCallback.h"
#include "PhysXPrimitive.h"
using namespace physx;
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
SampleSceneController::SampleSceneController(CFirstPersonCamera* camera, ApexController& apex)
: mApex(apex), mCamera(camera), mActor(NULL), mLastImpactDamage(0), mCubesCount(0)
{
mImpactDamageReport.setScene(this);
}
SampleSceneController::~SampleSceneController()
{
}
void SampleSceneController::onSampleStart()
{
// setup camera
DirectX::XMVECTORF32 lookAtPt = { 0, 10, 0, 0 };
DirectX::XMVECTORF32 eyePt = { 0, 20, 60, 0 };
mCamera->SetViewParams(eyePt, lookAtPt);
mCamera->SetRotateButtons(false, false, true, false);
mCamera->SetEnablePositionMovement(true);
// set physics callback
mApex.getModuleDestructible()->setImpactDamageReportCallback(&mImpactDamageReport);
// spawn actor
mActor = mApex.spawnDestructibleActor("Wall_PC");
// default destructible params:
DestructibleParameters params = mActor->getDestructibleParameters();
params.forceToDamage = 0.01f;
params.flags &= ~DestructibleParametersFlag::ACCUMULATE_DAMAGE;
mActor->setDestructibleParameters(params);
// default cube settings:
mCubeVelocity = 100;
mCubeMass = 10;
// const damage threshold
DestructibleBehaviorGroupDesc desc;
mActor->getBehaviorGroup(desc, -1);
mDamageThreshold = desc.damageThreshold;
}
void SampleSceneController::throwCube()
{
PxVec3 eyePos = XMVECTORToPxVec4(mCamera->GetEyePt()).getXYZ();
PxVec3 lookAtPos = XMVECTORToPxVec4(mCamera->GetLookAtPt()).getXYZ();
PhysXPrimitive* box = mApex.spawnPhysXPrimitiveBox(PxTransform(eyePos));
PxRigidDynamic* rigidDynamic = box->getActor()->is<PxRigidDynamic>();
PxRigidBodyExt::setMassAndUpdateInertia(*rigidDynamic, mCubeMass, NULL, false);
float heaviness = mCubeMass / 1000.0f;
box->setColor(DirectX::XMFLOAT3(1, 1 - heaviness, 1 - heaviness));
physx::shdfnd::snprintf(mLastCubeName, 32, "box%d", mCubesCount++);
rigidDynamic->setName(mLastCubeName);
PxVec3 dir = (lookAtPos - eyePos).getNormalized();
rigidDynamic->setLinearVelocity(dir * mCubeVelocity);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void SampleSceneController::SampleImpactDamageReport::onImpactDamageNotify(const ImpactDamageEventData* buffer, uint32_t bufferSize)
{
if (!mScene) return;
for (uint32_t i = 0; i < bufferSize; i++)
{
if (buffer[i].impactDamageActor == NULL || buffer[i].impactDamageActor->getName() == NULL)
continue;
if (physx::shdfnd::strcmp(buffer[i].impactDamageActor->getName(), mScene->mLastCubeName) == 0)
{
mScene->mLastImpactDamage = buffer[0].damage;
}
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
PxFilterFlags DestructionImpactDamageFilterShader(
PxFilterObjectAttributes attributes0,
PxFilterData filterData0,
PxFilterObjectAttributes attributes1,
PxFilterData filterData1,
PxPairFlags& pairFlags,
const void* constantBlock,
uint32_t constantBlockSize)
{
PX_UNUSED(constantBlock);
PX_UNUSED(constantBlockSize);
// let triggers through
if (PxFilterObjectIsTrigger(attributes0) || PxFilterObjectIsTrigger(attributes1))
{
pairFlags = PxPairFlag::eTRIGGER_DEFAULT;
return PxFilterFlags();
}
if ((PxFilterObjectIsKinematic(attributes0) || PxFilterObjectIsKinematic(attributes1)) &&
(PxGetFilterObjectType(attributes0) == PxFilterObjectType::eRIGID_STATIC || PxGetFilterObjectType(attributes1) == PxFilterObjectType::eRIGID_STATIC))
{
return PxFilterFlag::eSUPPRESS;
}
// use a group-based mechanism if the first two filter data words are not 0
uint32_t f0 = filterData0.word0 | filterData0.word1;
uint32_t f1 = filterData1.word0 | filterData1.word1;
if (f0 && f1 && !(filterData0.word0&filterData1.word1 || filterData1.word0&filterData0.word1))
return PxFilterFlag::eSUPPRESS;
pairFlags = PxPairFlag::eCONTACT_DEFAULT
| PxPairFlag::eNOTIFY_CONTACT_POINTS
| PxPairFlag::eNOTIFY_THRESHOLD_FORCE_PERSISTS
| PxPairFlag::eNOTIFY_THRESHOLD_FORCE_FOUND
| PxPairFlag::eNOTIFY_TOUCH_FOUND
| PxPairFlag::eNOTIFY_TOUCH_PERSISTS;
// eSOLVE_CONTACT is invalid with kinematic pairs
if (PxFilterObjectIsKinematic(attributes0) && PxFilterObjectIsKinematic(attributes1))
{
pairFlags &= ~PxPairFlag::eSOLVE_CONTACT;
}
return PxFilterFlags();
}
|