void TSShapeInstance::MeshObjectInstance::render( S32 objectDetail,
TSMaterialList *materials,
const TSRenderState &rdata,
F32 alpha )
{
PROFILE_SCOPE( TSShapeInstance_MeshObjectInstance_render );
if ( forceHidden || ( ( visible * alpha ) <= 0.01f ) )
return;
TSMesh *mesh = getMesh(objectDetail);
if ( !mesh )
return;
const MatrixF &transform = getTransform();
if ( rdata.getCuller() )
{
Box3F box( mesh->getBounds() );
transform.mul( box );
if ( rdata.getCuller()->isCulled( box ) )
return;
}
GFX->pushWorldMatrix();
GFX->multWorld( transform );
mesh->setFade( visible * alpha );
// Pass a hint to the mesh that time has advanced and that the
// skin is dirty and needs to be updated. This should result
// in the skin only updating once per frame in most cases.
const U32 currTime = Sim::getCurrentTime();
bool isSkinDirty = currTime != mLastTime;
mesh->render( materials,
rdata,
isSkinDirty,
*mTransforms,
mVertexBuffer,
mPrimitiveBuffer );
// Update the last render time.
mLastTime = currTime;
GFX->popWorldMatrix();
}
PhysicsCollision* CollisionComponent::buildColShapes()
{
PROFILE_SCOPE(CollisionComponent_buildColShapes);
PhysicsCollision *colShape = NULL;
U32 surfaceKey = 0;
TSShape* shape = mOwnerRenderInterface->getShape();
if (mCollisionType == VisibleMesh)
{
// Here we build triangle collision meshes from the
// visible detail levels.
// A negative subshape on the detail means we don't have geometry.
const TSShape::Detail &detail = shape->details[0];
if (detail.subShapeNum < 0)
return NULL;
// We don't try to optimize the triangles we're given
// and assume the art was created properly for collision.
ConcretePolyList polyList;
polyList.setTransform(&MatrixF::Identity, mOwner->getScale());
// Create the collision meshes.
S32 start = shape->subShapeFirstObject[detail.subShapeNum];
S32 end = start + shape->subShapeNumObjects[detail.subShapeNum];
for (S32 o = start; o < end; o++)
{
const TSShape::Object &object = shape->objects[o];
if (detail.objectDetailNum >= object.numMeshes)
continue;
// No mesh or no verts.... nothing to do.
TSMesh *mesh = shape->meshes[object.startMeshIndex + detail.objectDetailNum];
if (!mesh || mesh->mNumVerts == 0)
continue;
// Gather the mesh triangles.
polyList.clear();
mesh->buildPolyList(0, &polyList, surfaceKey, NULL);
// Create the collision shape if we haven't already.
if (!colShape)
colShape = PHYSICSMGR->createCollision();
// Get the object space mesh transform.
MatrixF localXfm;
shape->getNodeWorldTransform(object.nodeIndex, &localXfm);
colShape->addTriangleMesh(polyList.mVertexList.address(),
polyList.mVertexList.size(),
polyList.mIndexList.address(),
polyList.mIndexList.size() / 3,
localXfm);
}
// Return what we built... if anything.
return colShape;
}
else if (mCollisionType == CollisionMesh)
{
// Scan out the collision hulls...
//
// TODO: We need to support LOS collision for physics.
//
for (U32 i = 0; i < shape->details.size(); i++)
{
const TSShape::Detail &detail = shape->details[i];
const String &name = shape->names[detail.nameIndex];
// Is this a valid collision detail.
if (!dStrStartsWith(name, colisionMeshPrefix) || detail.subShapeNum < 0)
continue;
// Now go thru the meshes for this detail.
S32 start = shape->subShapeFirstObject[detail.subShapeNum];
S32 end = start + shape->subShapeNumObjects[detail.subShapeNum];
if (start >= end)
continue;
for (S32 o = start; o < end; o++)
{
const TSShape::Object &object = shape->objects[o];
const String &meshName = shape->names[object.nameIndex];
if (object.numMeshes <= detail.objectDetailNum)
continue;
// No mesh, a flat bounds, or no verts.... nothing to do.
TSMesh *mesh = shape->meshes[object.startMeshIndex + detail.objectDetailNum];
if (!mesh || mesh->getBounds().isEmpty() || mesh->mNumVerts == 0)
continue;
// We need the default mesh transform.
MatrixF localXfm;
shape->getNodeWorldTransform(object.nodeIndex, &localXfm);
// We have some sort of collision shape... so allocate it.
if (!colShape)
colShape = PHYSICSMGR->createCollision();
// Any other mesh name we assume as a generic convex hull.
//
// Collect the verts using the vertex polylist which will
// filter out duplicates. This is importaint as the convex
// generators can sometimes fail with duplicate verts.
//
VertexPolyList polyList;
MatrixF meshMat(localXfm);
Point3F t = meshMat.getPosition();
t.convolve(mOwner->getScale());
meshMat.setPosition(t);
polyList.setTransform(&MatrixF::Identity, mOwner->getScale());
mesh->buildPolyList(0, &polyList, surfaceKey, NULL);
colShape->addConvex(polyList.getVertexList().address(),
polyList.getVertexList().size(),
meshMat);
} // objects
} // details
}
return colShape;
}