yaze::editor::Tile16EditAction Class Reference

Undoable action for edits to a single Tile16. More...

#include <tile16_undo_actions.h>

Inheritance diagram for yaze::editor::Tile16EditAction:

Collaboration diagram for yaze::editor::Tile16EditAction:

Public Types
using	RestoreFn = std::function<void(const Tile16Snapshot&)>

Public Member Functions
	Tile16EditAction (Tile16Snapshot before, Tile16Snapshot after, RestoreFn restore)
absl::Status	Undo () override
absl::Status	Redo () override
std::string	Description () const override
	Human-readable description (e.g., "Paint 12 tiles on map 5")
size_t	MemoryUsage () const override
	Approximate memory footprint for budget enforcement.
bool	CanMergeWith (const UndoAction &) const override
Public Member Functions inherited from yaze::editor::UndoAction
virtual	~UndoAction ()=default
virtual void	MergeWith (UndoAction &)

Private Attributes
Tile16Snapshot	before_
Tile16Snapshot	after_
RestoreFn	restore_

Detailed Description

Undoable action for edits to a single Tile16.

Stores before and after snapshots of the tile state and uses a restore callback to apply them back to the Tile16Editor. The callback is a std::function so the action doesn't need to know about the editor's internals directly.

Definition at line 45 of file tile16_undo_actions.h.

Member Typedef Documentation

RestoreFn

using yaze::editor::Tile16EditAction::RestoreFn = std::function<void(const Tile16Snapshot&)>

Definition at line 47 of file tile16_undo_actions.h.

Constructor & Destructor Documentation

Tile16EditAction()

yaze::editor::Tile16EditAction::Tile16EditAction ( Tile16Snapshot before, Tile16Snapshot after, RestoreFn restore )

inline

Definition at line 49 of file tile16_undo_actions.h.

Member Function Documentation

Undo()

absl::Status yaze::editor::Tile16EditAction::Undo ( )

inlineoverridevirtual

Implements yaze::editor::UndoAction.

Definition at line 55 of file tile16_undo_actions.h.

References before_, and restore_.

Redo()

absl::Status yaze::editor::Tile16EditAction::Redo ( )

inlineoverridevirtual

Implements yaze::editor::UndoAction.

Definition at line 60 of file tile16_undo_actions.h.

References after_, and restore_.

Description()

std::string yaze::editor::Tile16EditAction::Description ( ) const

inlineoverridevirtual

Human-readable description (e.g., "Paint 12 tiles on map 5")

Implements yaze::editor::UndoAction.

Definition at line 65 of file tile16_undo_actions.h.

References before_, and yaze::editor::Tile16Snapshot::tile_id.

MemoryUsage()

size_t yaze::editor::Tile16EditAction::MemoryUsage ( ) const

inlineoverridevirtual

Approximate memory footprint for budget enforcement.

Reimplemented from yaze::editor::UndoAction.

Definition at line 69 of file tile16_undo_actions.h.

References after_, before_, and yaze::editor::Tile16Snapshot::bitmap_data.

CanMergeWith()

bool yaze::editor::Tile16EditAction::CanMergeWith ( const UndoAction & ) const

inlineoverridevirtual

Whether this action can merge with the previous action on the stack. Called only when both actions have the same concrete type.

Reimplemented from yaze::editor::UndoAction.

Definition at line 73 of file tile16_undo_actions.h.

Member Data Documentation

before_

Tile16Snapshot yaze::editor::Tile16EditAction::before_

private

Definition at line 78 of file tile16_undo_actions.h.

Referenced by Description(), MemoryUsage(), and Undo().

after_

Tile16Snapshot yaze::editor::Tile16EditAction::after_

private

Definition at line 79 of file tile16_undo_actions.h.

Referenced by MemoryUsage(), and Redo().

restore_

RestoreFn yaze::editor::Tile16EditAction::restore_

private

Definition at line 80 of file tile16_undo_actions.h.

Referenced by Redo(), and Undo().

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

• src/app/editor/overworld/tile16_undo_actions.h