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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_TRI_MESH_ACTOR_H__
#define __SAMPLE_TRI_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 "geometry/PxTriangleMesh.h"
#include "cooking/PxTriangleMeshDesc.h"
#include "geometry/PxTriangleMeshGeometry.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;
typedef physx::PxTriangleMesh TriMesh;
class SampleTriMeshActor : public SampleShapeActor
{
public:
SampleTriMeshActor(SampleRenderer::Renderer* renderer,
SampleFramework::SampleMaterialAsset& material,
physx::PxScene& physxScene,
physx::PxCooking& cooking,
const physx::PxVec3* verts,
const uint32_t nbVerts,
const uint32_t* indices,
const uint32_t nbIndices,
float* uvs,
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)
, mTriMesh(NULL)
, mRendererMeshShape(NULL)
{
mRenderer = renderer;
createActor(physxScene, cooking, verts, nbVerts, indices, nbIndices, pos, vel, density, PxMaterial, useGroupsMask);
const bool has16BitIndices = (mTriMesh->getTriangleMeshFlags() & physx::PxTriangleMeshFlag::e16_BIT_INDICES);
const uint32_t nbTris = mTriMesh->getNbTriangles();
const uint32_t* indexBuffer = (uint32_t*) (has16BitIndices ? NULL : mTriMesh->getTriangles());
const uint16_t* indexBuffer16 = (uint16_t*) (has16BitIndices ? mTriMesh->getTriangles() : NULL);
const physx::PxVec3* vertices = mTriMesh->getVertices();
mNbVerts = 3*nbTris;
mNbFaces = 3*nbTris;
mVerts = new physx::PxVec3[mNbVerts];
mNormals = new physx::PxVec3[mNbVerts];
mFaces = new uint16_t[mNbFaces];
if (uvs != NULL)
{
mUvs = new float[mNbVerts * 2];
}
if(indexBuffer)
{
for (uint32_t i = 0; i < nbTris; i++)
{
const physx::PxVec3& A( vertices[indexBuffer[3*i+0]] );
const physx::PxVec3& B( vertices[indexBuffer[3*i+1]] );
const physx::PxVec3& C( vertices[indexBuffer[3*i+2]] );
physx::PxVec3 a(B-A),b(C-A);
physx::PxVec3 normal = a.cross(b);
normal.normalize();
mVerts[3*i+0] = A;
mVerts[3*i+1] = C;
mVerts[3*i+2] = B;
mNormals[3*i+0] = normal;
mNormals[3*i+1] = normal;
mNormals[3*i+2] = normal;
mFaces[3*i+0] = uint16_t(3*i+0);
mFaces[3*i+1] = uint16_t(3*i+1);
mFaces[3*i+2] = uint16_t(3*i+2);
}
}
else if(indexBuffer16)
{
for (uint32_t i = 0; i < nbTris; i++)
{
const physx::PxVec3& A( verts[indices[3*i+0]] );
const physx::PxVec3& B( verts[indices[3*i+1]] );
const physx::PxVec3& C( verts[indices[3*i+2]] );
physx::PxVec3 a(B-A),b(C-A);
physx::PxVec3 normal = a.cross(b);
normal.normalize();
mVerts[3*i+0] = A;
mVerts[3*i+1] = C;
mVerts[3*i+2] = B;
if (uvs != NULL)
{
mUvs[6*i+0] = uvs[2*indices[3*i+0]];
mUvs[6*i+1] = uvs[2*indices[3*i+0] + 1];
mUvs[6*i+2] = uvs[2*indices[3*i+2]];
mUvs[6*i+3] = uvs[2*indices[3*i+2] + 1];
mUvs[6*i+4] = uvs[2*indices[3*i+1]];
mUvs[6*i+5] = uvs[2*indices[3*i+1] + 1];
}
mNormals[3*i+0] = normal;
mNormals[3*i+1] = normal;
mNormals[3*i+2] = normal;
mFaces[3*i+0] = uint16_t(3*i+0);
mFaces[3*i+1] = uint16_t(3*i+1);
mFaces[3*i+2] = uint16_t(3*i+2);
}
}
else
{
PX_ASSERT(0 && "Invalid Index Data");
}
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 (RENDER_DEBUG_IFACE(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 Triangle Mesh:%d", bcount++);
RENDER_DEBUG_IFACE(rdebug)->endDrawGroup();
}
}
virtual ~SampleTriMeshActor()
{
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 uint32_t* indices,
const uint32_t nbIndices,
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;
actor = physxScene.getPhysics().createRigidStatic(physx::PxTransform(mTransform));
physx::PxTriangleMeshDesc triMeshDesc;
triMeshDesc.points.count = nbVerts;
triMeshDesc.points.data = verts;
triMeshDesc.points.stride = sizeof(physx::PxVec3);
triMeshDesc.triangles.count = nbIndices/3;
triMeshDesc.triangles.data = indices;
triMeshDesc.triangles.stride = 3*sizeof(uint32_t);
physx::PsMemoryBuffer stream;
stream.setEndianMode(physx::PxFileBuf::ENDIAN_NONE);
nvidia::apex::PxStreamFromFileBuf nvs(stream);
if (cooking.cookTriangleMesh(triMeshDesc, nvs))
{
mTriMesh = physxScene.getPhysics().createTriangleMesh(nvs);
PX_ASSERT(mTriMesh);
}
physx::PxTriangleMeshGeometry triMeshGeom(mTriMesh);
physx::PxShape* shape = actor->createShape(triMeshGeom, *PxMaterial);
PX_ASSERT(shape);
if (shape && useGroupsMask)
{
shape->setSimulationFilterData(physx::PxFilterData(1, 0, ~0u, 0));
shape->setQueryFilterData(physx::PxFilterData(1, 0, ~0u, 0));
}
{
physxScene.lockWrite(__FILE__, __LINE__);
physxScene.addActor(*actor);
physxScene.unlockWrite();
}
mPhysxActor = actor;
}
private:
physx::PxVec3* mVerts;
physx::PxVec3* mNormals;
float* mUvs;
uint16_t* mFaces;
uint32_t mNbVerts;
uint32_t mNbFaces;
TriMesh* mTriMesh;
SampleRenderer::RendererMeshShape* mRendererMeshShape;
};
#endif
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