Records time-sampled cell state from a RelaxationGridBuffer into an Alembic archive. More...

#include <SpatialTransfer.hpp>

Collaboration diagram for MayaFlux::IO::RelaxationGridCapture:

Public Types
using	ToAttributes = std::function< std::vector< SpatialAttribute >(std::span< const uint8_t >)>

Public Member Functions
bool	is_capturing () const

RelaxationGridCapture &	operator= (const RelaxationGridCapture &)=delete

RelaxationGridCapture &	operator= (RelaxationGridCapture &&)=delete

	RelaxationGridCapture (const RelaxationGridCapture &)=delete

	RelaxationGridCapture (RelaxationGridCapture &&)=delete

	RelaxationGridCapture (std::shared_ptr< Buffers::RelaxationGridBuffer > grid, std::string stream_name, float extent, ToAttributes to_attributes)

bool	start (const std::string &filepath)
	Open the archive.

void	stop ()
	Close the archive.

bool	write_snapshot (std::span< const uint8_t > bytes)
	Write one snapshot as a sample, if currently capturing.

	~RelaxationGridCapture ()

Private Attributes
std::shared_ptr< SpatialCache >	m_cache

std::shared_ptr< Buffers::RelaxationGridBuffer >	m_grid

std::vector< uint64_t >	m_ids

std::vector< glm::vec3 >	m_positions

std::string	m_stream_name

ToAttributes	m_to_attributes

Detailed Description

Records time-sampled cell state from a RelaxationGridBuffer into an Alembic archive.

RelaxationGridBuffer::snapshot_source() is a single-consumer BroadcastSource (its own doc: one coroutine per instance, a second listener silently displaces the first), so this class does not subscribe to it itself and never will: the caller keeps whatever Kriya::on_signal(grid->snapshot_source(), ...) listener it already has and calls write_snapshot() from inside that same callback. This also keeps RelaxationGridBuffer itself untouched; everything here works from its existing public accessors.

Positions and ids are fixed at construction via relaxation_grid_positions() and reused for every sample, matching that function's own guidance. Per-cell state format is rule-defined (a float, a uint32 automaton state, a vec2 reaction-diffusion pair, ...), so the caller supplies the one genuinely rule-specific piece: how to turn a snapshot's raw bytes into named attributes.

Definition at line 162 of file SpatialTransfer.hpp.

The documentation for this class was generated from the following files:

Public Types

Public Member Functions

Private Attributes

Detailed Description