plPXPhysical::~plPXPhysical()
{
SpamMsg(plSimulationMgr::Log("Destroying physical %s", GetKeyName().c_str()));
if (fActor)
{
// Grab any mesh we may have (they need to be released manually)
NxConvexMesh* convexMesh = nil;
NxTriangleMesh* triMesh = nil;
NxShape* shape = fActor->getShapes()[0];
if (NxConvexShape* convexShape = shape->isConvexMesh())
convexMesh = &convexShape->getConvexMesh();
else if (NxTriangleMeshShape* trimeshShape = shape->isTriangleMesh())
triMesh = &trimeshShape->getTriangleMesh();
if (!fActor->isDynamic())
plPXPhysicalControllerCore::RebuildCache();
if (fActor->isDynamic() && fActor->readBodyFlag(NX_BF_KINEMATIC))
{
if (fGroup == plSimDefs::kGroupDynamic)
fNumberAnimatedPhysicals--;
else
fNumberAnimatedActivators--;
}
// Release the actor
NxScene* scene = plSimulationMgr::GetInstance()->GetScene(fWorldKey);
scene->releaseActor(*fActor);
fActor = nil;
// Now that the actor is freed, release the mesh
if (convexMesh)
plSimulationMgr::GetInstance()->GetSDK()->releaseConvexMesh(*convexMesh);
if (triMesh)
plSimulationMgr::GetInstance()->GetSDK()->releaseTriangleMesh(*triMesh);
// Release the scene, so it can be cleaned up if no one else is using it
plSimulationMgr::GetInstance()->ReleaseScene(fWorldKey);
}
if (fWorldHull)
delete [] fWorldHull;
if (fSaveTriangles)
delete [] fSaveTriangles;
delete fProxyGen;
// remove sdl modifier
plSceneObject* sceneObj = plSceneObject::ConvertNoRef(fObjectKey->ObjectIsLoaded());
if (sceneObj && fSDLMod)
{
sceneObj->RemoveModifier(fSDLMod);
}
delete fSDLMod;
}
void AddUserDataToShapes(NxActor* actor)
{
NxU32 i = 0;
NxShape*const* shapes = actor->getShapes();
NxU32 nbShapes = actor->getNbShapes();
while (nbShapes--)
{
NxShape* shape = shapes[nbShapes];
shape->userData = new ShapeUserData;
ShapeUserData* sud = (ShapeUserData*)(shape->userData);
sud->id = i++;
if (shape->getType() == NX_SHAPE_CONVEX)
{
sud->mesh = new NxConvexMeshDesc;
shape->isConvexMesh()->getConvexMesh().saveToDesc(*(NxConvexMeshDesc*)sud->mesh);
}
if (shape->getType() == NX_SHAPE_MESH)
{
sud->mesh = new NxTriangleMeshDesc;
shape->isTriangleMesh()->getTriangleMesh().saveToDesc(*(NxTriangleMeshDesc*)sud->mesh);
}
}
}
// Make a visible object that can be viewed by users for debugging purposes.
plDrawableSpans* plPXPhysical::CreateProxy(hsGMaterial* mat, hsTArray<uint32_t>& idx, plDrawableSpans* addTo)
{
plDrawableSpans* myDraw = addTo;
hsMatrix44 l2w, unused;
GetTransform(l2w, unused);
bool blended = ((mat->GetLayer(0)->GetBlendFlags() & hsGMatState::kBlendMask));
NxShape* shape = fActor->getShapes()[0];
NxTriangleMeshShape* trimeshShape = shape->isTriangleMesh();
if (trimeshShape)
{
NxTriangleMeshDesc desc;
trimeshShape->getTriangleMesh().saveToDesc(desc);
hsTArray<hsPoint3> pos;
hsTArray<uint16_t> tris;
const int kMaxTris = 10000;
const int kMaxVerts = 32000;
if ((desc.numVertices < kMaxVerts) && (desc.numTriangles < kMaxTris))
{
pos.SetCount(desc.numVertices);
tris.SetCount(desc.numTriangles * 3);
for (int i = 0; i < desc.numVertices; i++ )
pos[i] = GetTrimeshVert(desc, i);
for (int i = 0; i < desc.numTriangles; i++)
GetTrimeshTri(desc, i, &tris[i*3]);
myDraw = plDrawableGenerator::GenerateDrawable(pos.GetCount(),
pos.AcquireArray(),
nil, // normals - def to avg (smooth) norm
nil, // uvws
0, // uvws per vertex
nil, // colors - def to white
true, // do a quick fake shade
nil, // optional color modulation
tris.GetCount(),
tris.AcquireArray(),
mat,
l2w,
blended,
&idx,
myDraw);
}
else
{
int curTri = 0;
int trisToDo = desc.numTriangles;
while (trisToDo > 0)
{
int trisThisRound = trisToDo > kMaxTris ? kMaxTris : trisToDo;
trisToDo -= trisThisRound;
pos.SetCount(trisThisRound * 3);
tris.SetCount(trisThisRound * 3);
for (int i = 0; i < trisThisRound; i++)
{
GetTrimeshTri(desc, curTri, &tris[i*3]);
pos[i*3 + 0] = GetTrimeshVert(desc, tris[i*3+0]);
pos[i*3 + 1] = GetTrimeshVert(desc, tris[i*3+1]);
pos[i*3 + 2] = GetTrimeshVert(desc, tris[i*3+2]);
curTri++;
}
myDraw = plDrawableGenerator::GenerateDrawable(pos.GetCount(),
pos.AcquireArray(),
nil, // normals - def to avg (smooth) norm
nil, // uvws
0, // uvws per vertex
nil, // colors - def to white
true, // do a quick fake shade
nil, // optional color modulation
tris.GetCount(),
tris.AcquireArray(),
mat,
l2w,
blended,
&idx,
myDraw);
}
}
}
NxConvexShape* convexShape = shape->isConvexMesh();
if (convexShape)
{
NxConvexMeshDesc desc;
convexShape->getConvexMesh().saveToDesc(desc);
hsTArray<hsPoint3> pos;
hsTArray<uint16_t> tris;
pos.SetCount(desc.numVertices);
tris.SetCount(desc.numTriangles * 3);
for (int i = 0; i < desc.numVertices; i++ )
pos[i] = GetConvexVert(desc, i);
for (int i = 0; i < desc.numTriangles; i++)
GetConvexTri(desc, i, &tris[i*3]);
myDraw = plDrawableGenerator::GenerateDrawable(pos.GetCount(),
pos.AcquireArray(),
nil, // normals - def to avg (smooth) norm
nil, // uvws
0, // uvws per vertex
nil, // colors - def to white
true, // do a quick fake shade
nil, // optional color modulation
tris.GetCount(),
tris.AcquireArray(),
mat,
l2w,
blended,
&idx,
myDraw);
}
NxSphereShape* sphere = shape->isSphere();
if (sphere)
{
float radius = sphere->getRadius();
hsPoint3 offset = plPXConvert::Point(sphere->getLocalPosition());
myDraw = plDrawableGenerator::GenerateSphericalDrawable(offset, radius,
mat, l2w, blended,
nil, &idx, myDraw);
}
NxBoxShape* box = shape->isBox();
if (box)
{
hsPoint3 dim = plPXConvert::Point(box->getDimensions());
myDraw = plDrawableGenerator::GenerateBoxDrawable(dim.fX*2.f, dim.fY*2.f, dim.fZ*2.f,
mat,l2w,blended,
nil,&idx,myDraw);
}
return myDraw;
}
void plPXPhysical::Write(hsStream* stream, hsResMgr* mgr)
{
plPhysical::Write(stream, mgr);
hsAssert(fActor, "nil actor");
hsAssert(fActor->getNbShapes() == 1, "Can only write actors with one shape. Writing first only.");
NxShape* shape = fActor->getShapes()[0];
NxMaterialIndex matIdx = shape->getMaterial();
NxScene* scene = plSimulationMgr::GetInstance()->GetScene(fWorldKey);
NxMaterial* mat = scene->getMaterialFromIndex(matIdx);
float friction = mat->getStaticFriction();
float restitution = mat->getRestitution();
stream->WriteLEScalar(fActor->getMass());
stream->WriteLEScalar(friction);
stream->WriteLEScalar(restitution);
stream->WriteByte(fBoundsType);
stream->WriteByte(fGroup);
stream->WriteLE32(fReportsOn);
stream->WriteLE16(fLOSDBs);
mgr->WriteKey(stream, fObjectKey);
mgr->WriteKey(stream, fSceneNode);
mgr->WriteKey(stream, fWorldKey);
mgr->WriteKey(stream, fSndGroup);
hsPoint3 pos;
hsQuat rot;
IGetPositionSim(pos);
IGetRotationSim(rot);
pos.Write(stream);
rot.Write(stream);
fProps.Write(stream);
if (fBoundsType == plSimDefs::kSphereBounds)
{
const NxSphereShape* sphereShape = shape->isSphere();
stream->WriteLEScalar(sphereShape->getRadius());
hsPoint3 localPos = plPXConvert::Point(sphereShape->getLocalPosition());
localPos.Write(stream);
}
else if (fBoundsType == plSimDefs::kBoxBounds)
{
const NxBoxShape* boxShape = shape->isBox();
hsPoint3 dim = plPXConvert::Point(boxShape->getDimensions());
dim.Write(stream);
hsPoint3 localPos = plPXConvert::Point(boxShape->getLocalPosition());
localPos.Write(stream);
}
else
{
if (fBoundsType == plSimDefs::kHullBounds)
hsAssert(shape->isConvexMesh(), "Hull shape isn't a convex mesh");
else
hsAssert(shape->isTriangleMesh(), "Exact shape isn't a trimesh");
// We hide the stream we used to create this mesh away in the shape user data.
// Pull it out and write it to disk.
hsVectorStream* vecStream = (hsVectorStream*)shape->userData;
stream->Write(vecStream->GetEOF(), vecStream->GetData());
delete vecStream;
}
}
void CPhysicsActor::AddVisualization()
{
// get the CPhysicsObject's name
PHYSICSUSERDATA* userData = (PHYSICSUSERDATA*)m_Actor->userData;
if( userData == NULL )
return;
CPhysicsObject* physObj = userData->physObj;
IHashString* cpoName = physObj->GetParentName();
// Loop through shapes in the actor
unsigned int numShapes = m_Actor->getNbShapes();
NxShape*const* shapes = m_Actor->getShapes();
NxShape* shape;
// we need to unscale before feeding it to the shape objects since they
// get the scale from the parent
Vec3 invScale;
invScale.x = 1.0f / m_CurrentScale.x;
invScale.y = 1.0f / m_CurrentScale.y;
invScale.z = 1.0f / m_CurrentScale.z;
// Add visualizations for each shape
while( numShapes-- )
{
shape = shapes[numShapes];
// Add shape to be rendered
if( shape->isBox() )
{
NxBoxShape* boxShape = (NxBoxShape*)shape;
Matrix4x4 localTransform;
localTransform.SetIdentity();
float tempRot[9];
boxShape->getLocalOrientation().getColumnMajor( tempRot );
localTransform.SetFrom3x3( tempRot );
NxVec3 tempPos = boxShape->getLocalPosition();
tempPos.x *= invScale.x;
tempPos.y *= invScale.y;
tempPos.z *= invScale.z;
localTransform.SetTranslation( Vec3(tempPos.x, tempPos.y, tempPos.z) );
NxVec3 boxDimensions = boxShape->getDimensions();
float halfXDimension = boxDimensions.x * invScale.x;
float halfYDimension = boxDimensions.y * invScale.y;
float halfZDimension = boxDimensions.z * invScale.z;
// Add a debug render object to visualize the object
ADDOBJECTORIENTEDBOXPARAMS oobbParams;
oobbParams.name = cpoName;
oobbParams.min = Vec3( -halfXDimension, -halfYDimension, -halfZDimension );
oobbParams.max = Vec3( halfXDimension, halfYDimension, halfZDimension );
oobbParams.localTransform = localTransform;
static DWORD msgHash_AddObjectOrientedBox = CHashString(_T("AddObjectOrientedBox")).GetUniqueID();
m_ToolBox->SendMessage(msgHash_AddObjectOrientedBox, sizeof(ADDOBJECTORIENTEDBOXPARAMS), &oobbParams );
}
if( shape->isSphere() )
{
NxSphereShape* sphereShape = (NxSphereShape*)shape;
float radius = sphereShape->getRadius();
// Add a debug render object to visualize the object
ADDSPHEREPARAMS sphereParams;
sphereParams.name = cpoName;
sphereParams.radius = radius * invScale.x;
sphereParams.red = 0;
sphereParams.green = 255; // making the sphere green to distinguish it from AABBs
sphereParams.blue = 0;
static DWORD msgHash_AddSphere = CHashString(_T("AddSphere")).GetUniqueID();
m_ToolBox->SendMessage(msgHash_AddSphere, sizeof(ADDSPHEREPARAMS), &sphereParams );
}
if( shape->isCapsule() )
{
// Draw as a red box for now
NxCapsuleShape* capsuleShape = (NxCapsuleShape*)shape;
Matrix4x4 localTransform;
localTransform.SetIdentity();
float tempRot[9];
capsuleShape->getLocalOrientation().getColumnMajor( tempRot );
localTransform.SetFrom3x3( tempRot );
NxVec3 tempPos = capsuleShape->getLocalPosition();
tempPos.x *= invScale.x;
tempPos.y *= invScale.y;
tempPos.z *= invScale.z;
localTransform.SetTranslation( Vec3(tempPos.x, tempPos.y, tempPos.z) );
float halfXDimension = capsuleShape->getRadius();
float halfYDimension = capsuleShape->getHeight() - capsuleShape->getRadius();
float halfZDimension = capsuleShape->getRadius();
// Add a debug render object to visualize the object
ADDOBJECTORIENTEDBOXPARAMS oobbParams;
oobbParams.name = cpoName;
oobbParams.min = Vec3( -halfXDimension, -halfYDimension, -halfZDimension );
oobbParams.max = Vec3( halfXDimension, halfYDimension, halfZDimension );
oobbParams.localTransform = localTransform;
oobbParams.red = 255;
oobbParams.green = 0;
oobbParams.blue = 0;
static DWORD msgHash_AddObjectOrientedBox = CHashString(_T("AddObjectOrientedBox")).GetUniqueID();
m_ToolBox->SendMessage(msgHash_AddObjectOrientedBox, sizeof(ADDOBJECTORIENTEDBOXPARAMS), &oobbParams );
}
if( shape->isConvexMesh() )
{
// not yet implemented
}
}
}