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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.
*/
#ifndef __SAMPLE_CONVEX_MESH_ACTOR_H__
#define __SAMPLE_CONVEX_MESH_ACTOR_H__
#include "SampleShapeActor.h"
#include "RendererMeshShape.h"
#include "PsMemoryBuffer.h"
#include "PsArray.h"
#include "PxStreamFromFileBuf.h"
#include "ApexSDK.h"
#include "cooking/PxCooking.h"
#include "cooking/PxConvexMeshDesc.h"
#include "geometry/PxConvexMeshGeometry.h"
#include "PxRigidDynamic.h"
#include "PxRigidStatic.h"
#include "extensions/PxExtensionsAPI.h"
namespace physx
{
class PxMaterial;
}
#include "RenderDebugInterface.h"
#include <Renderer.h>
#include <RendererMeshContext.h>
typedef physx::PxConvexMesh ConvexMesh;
class SampleConvexMeshActor : public SampleShapeActor
{
public:
SampleConvexMeshActor(SampleRenderer::Renderer* renderer,
SampleFramework::SampleMaterialAsset& material,
physx::PxScene& physxScene,
physx::PxCooking& cooking,
const physx::PxVec3* verts,
const uint32_t nbVerts,
const physx::PxVec3& pos,
const physx::PxVec3& vel,
float density,
physx::PxMaterial* PxMaterial,
bool useGroupsMask,
nvidia::apex::RenderDebugInterface* rdebug = NULL)
: SampleShapeActor(rdebug)
, mVerts(NULL)
, mNormals(NULL)
, mUvs(NULL)
, mFaces(NULL)
, mNbVerts(0)
, mNbFaces(0)
, mConvexMesh(NULL)
, mRendererMeshShape(NULL)
{
mRenderer = renderer;
createActor(physxScene, cooking, verts, nbVerts, pos, vel, density, PxMaterial, useGroupsMask);
const uint32_t nbPolygons = mConvexMesh->getNbPolygons();
const uint8_t* indexBuffer = mConvexMesh->getIndexBuffer();
const physx::PxVec3* vertices = mConvexMesh->getVertices();
for (uint32_t i = 0; i < nbPolygons; i++)
{
physx::PxHullPolygon data;
bool status = mConvexMesh->getPolygonData(i, data);
PX_ASSERT(status);
PX_UNUSED(status);
uint32_t nbPolyVerts = data.mNbVerts;
mNbVerts += nbPolyVerts;
mNbFaces += (nbPolyVerts - 2)*3;
}
mVerts = new physx::PxVec3[mNbVerts];
mNormals = new physx::PxVec3[mNbVerts];
mFaces = new uint16_t[mNbFaces];
uint32_t vertCounter = 0;
uint32_t facesCounter = 0;
for (uint32_t i = 0; i < nbPolygons; i++)
{
physx::PxHullPolygon data;
bool status = mConvexMesh->getPolygonData(i, data);
PX_ASSERT(status);
PX_UNUSED(status);
physx::PxVec3 normal(data.mPlane[0], data.mPlane[1], data.mPlane[2]);
uint32_t vI0 = vertCounter;
for (uint32_t vI = 0; vI < data.mNbVerts; vI++)
{
mVerts[vertCounter] = vertices[indexBuffer[data.mIndexBase + vI]];
mNormals[vertCounter] = normal;
vertCounter++;
}
for (uint32_t vI = 1; vI < uint32_t(data.mNbVerts) - 1; vI++)
{
mFaces[facesCounter++] = uint16_t(vI0);
mFaces[facesCounter++] = uint16_t(vI0 + vI + 1);
mFaces[facesCounter++] = uint16_t(vI0 + vI);
}
}
mRendererMeshShape = new SampleRenderer::RendererMeshShape(*mRenderer, mVerts, mNbVerts, mNormals, mUvs, mFaces, mNbFaces / 3);
mRendererMeshContext.material = material.getMaterial();
mRendererMeshContext.materialInstance = material.getMaterialInstance();
mRendererMeshContext.mesh = mRendererMeshShape->getMesh();
mRendererMeshContext.transform = &mTransform;
if (rdebug)
{
mBlockId = RENDER_DEBUG_IFACE(rdebug)->beginDrawGroup(mTransform);
RENDER_DEBUG_IFACE(rdebug)->addToCurrentState(RENDER_DEBUG::DebugRenderState::SolidShaded);
static uint32_t bcount /* = 0 */;
RENDER_DEBUG_IFACE(rdebug)->setCurrentColor(0xFFFFFF);
RENDER_DEBUG_IFACE(rdebug)->setCurrentTextScale(0.5f);
RENDER_DEBUG_IFACE(rdebug)->addToCurrentState(RENDER_DEBUG::DebugRenderState::CenterText);
RENDER_DEBUG_IFACE(rdebug)->addToCurrentState(RENDER_DEBUG::DebugRenderState::CameraFacing);
RENDER_DEBUG_IFACE(rdebug)->debugText(physx::PxVec3(0, 1.0f + 0.01f, 0), "Sample Convex Mesh:%d", bcount++);
RENDER_DEBUG_IFACE(rdebug)->endDrawGroup();
}
}
virtual ~SampleConvexMeshActor()
{
if (mRendererMeshShape)
{
delete[] mVerts;
delete[] mNormals;
delete mRendererMeshShape;
mRendererMeshShape = NULL;
}
}
private:
void createActor(physx::PxScene& physxScene,
physx::PxCooking& cooking,
const physx::PxVec3* verts,
const uint32_t nbVerts,
const physx::PxVec3& pos,
const physx::PxVec3& vel,
float density,
physx::PxMaterial* PxMaterial,
bool useGroupsMask)
{
if (!PxMaterial)
{
physxScene.getPhysics().getMaterials(&PxMaterial, 1);
}
mTransform = physx::PxMat44(physx::PxIdentity);
mTransform.setPosition(pos);
physx::PxRigidActor* actor = NULL;
if (density > 0)
{
actor = physxScene.getPhysics().createRigidDynamic(physx::PxTransform(mTransform));
(static_cast<physx::PxRigidDynamic*>(actor))->setAngularDamping(0.5f); // Is it correct?
(static_cast<physx::PxRigidDynamic*>(actor))->setLinearVelocity(vel);
}
else
{
actor = physxScene.getPhysics().createRigidStatic(physx::PxTransform(mTransform));
}
PX_ASSERT(actor);
physx::PxConvexMeshDesc convexMeshDesc;
convexMeshDesc.points.count = nbVerts;
convexMeshDesc.points.data = verts;
convexMeshDesc.points.stride = sizeof(physx::PxVec3);
convexMeshDesc.flags = physx::PxConvexFlag::eCOMPUTE_CONVEX;
physx::PsMemoryBuffer stream;
stream.setEndianMode(physx::PxFileBuf::ENDIAN_NONE);
nvidia::apex::PxStreamFromFileBuf nvs(stream);
if (cooking.cookConvexMesh(convexMeshDesc, nvs))
{
mConvexMesh = physxScene.getPhysics().createConvexMesh(nvs);
PX_ASSERT(mConvexMesh);
}
physx::PxConvexMeshGeometry convexMeshGeom(mConvexMesh);
physx::PxShape* shape = actor->createShape(convexMeshGeom, *PxMaterial);
PX_ASSERT(shape);
if (shape && useGroupsMask)
{
shape->setSimulationFilterData(physx::PxFilterData(1, 0, ~0u, 0));
shape->setQueryFilterData(physx::PxFilterData(1, 0, ~0u, 0));
}
if (density > 0)
{
physx::PxRigidBodyExt::updateMassAndInertia(*(static_cast<physx::PxRigidDynamic*>(actor)), density); // () -> static_cast
}
SCOPED_PHYSX_LOCK_WRITE(&physxScene);
physxScene.addActor(*actor);
mPhysxActor = actor;
}
private:
physx::PxVec3* mVerts;
physx::PxVec3* mNormals;
float* mUvs;
uint16_t* mFaces;
uint32_t mNbVerts;
uint32_t mNbFaces;
ConvexMesh* mConvexMesh;
SampleRenderer::RendererMeshShape* mRendererMeshShape;
};
#endif
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