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New class ModelConfig wrapping DynamicPrintConfig and a timestamp

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to help with detecting "not changed" event when taking
Undo/Redo snapshot or synchronizing with the back-end.

Converted layer height profile and supports / seam painted areas
to the same timestamp controlled structure.
This commit is contained in:
Vojtech Bubnik 2020-09-24 15:34:13 +02:00
parent 0d6eb842b0
commit 54976e29bb
28 changed files with 366 additions and 215 deletions
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40
src/libslic3r/ObjectID.hpp
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@ -49,12 +49,14 @@ private:
class ObjectBase
{
public:
using Timestamp = uint64_t;
ObjectID id() const { return m_id; }
// Return an optional timestamp of this object.
// If the timestamp returned is non-zero, then the serialization framework will
// only save this object on the Undo/Redo stack if the timestamp is different
// from the timestmap of the object at the top of the Undo / Redo stack.
virtual uint64_t timestamp() const { return 0; }
virtual Timestamp timestamp() const { return 0; }
protected:
// Constructors to be only called by derived classes.
@ -91,6 +93,42 @@ private:
template<class Archive> static void load_and_construct(Archive & ar, cereal::construct<ObjectBase> &construct) { ObjectID id; ar(id); construct(id); }
};
class ObjectWithTimestamp : public ObjectBase
{
protected:
// Constructors to be only called by derived classes.
// Default constructor to assign a new timestamp unique to this object's history.
ObjectWithTimestamp() = default;
// Constructor with ignored int parameter to assign an invalid ID, to be replaced
// by an existing ID copied from elsewhere.
ObjectWithTimestamp(int) : ObjectBase(-1) {}
// The class tree will have virtual tables and type information.
virtual ~ObjectWithTimestamp() = default;
// Resetting timestamp to 1 indicates the object is in its initial (cleared) state.
// To be called by the derived class's clear() method.
void reset_timestamp() { m_timestamp = 1; }
public:
// Return an optional timestamp of this object.
// If the timestamp returned is non-zero, then the serialization framework will
// only save this object on the Undo/Redo stack if the timestamp is different
// from the timestmap of the object at the top of the Undo / Redo stack.
Timestamp timestamp() const throw() override { return m_timestamp; }
bool timestamp_matches(const ObjectWithTimestamp &rhs) const throw() { return m_timestamp == rhs.m_timestamp; }
bool object_id_and_timestamp_match(const ObjectWithTimestamp &rhs) const throw() { return this->id() == rhs.id() && m_timestamp == rhs.m_timestamp; }
void touch() { m_timestamp = ++ s_last_timestamp; }
private:
// The first timestamp is non-zero, as zero timestamp means the timestamp is not reliable.
Timestamp m_timestamp { 1 };
static Timestamp s_last_timestamp;
friend class cereal::access;
friend class Slic3r::UndoRedo::StackImpl;
template<class Archive> void serialize(Archive &ar) { ar(m_timestamp); }
};
// Unique object / instance ID for the wipe tower.
extern ObjectID wipe_tower_object_id();
extern ObjectID wipe_tower_instance_id();