graphics_sheet_sync.h

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#ifndef YAZE_APP_EDITOR_GRAPHICS_GRAPHICS_SHEET_SYNC_H
#define YAZE_APP_EDITOR_GRAPHICS_GRAPHICS_SHEET_SYNC_H
 
#include <cstddef>
#include <cstdint>
#include <vector>
 
#include "absl/status/status.h"
#include "absl/types/span.h"
 
namespace yaze {
namespace zelda3 {
class GraphicsSheetStore;
struct GameData;
}  // namespace zelda3
 
namespace editor {
 
class GraphicsEditorState;
 
struct SheetPixelDiff {
  uint16_t sheet = 0;
  std::vector<uint16_t> offsets;  // y * 128 + x
  std::vector<uint8_t> before;
  std::vector<uint8_t> after;
 
  bool empty() const { return offsets.empty(); }
  size_t MemoryUsage() const {
    return offsets.size() * sizeof(uint16_t) + before.size() + after.size();
  }
};
 
SheetPixelDiff MakeSheetPixelDiff(uint16_t sheet,
                                  absl::Span<const uint8_t> before,
                                  absl::Span<const uint8_t> after);
 
void AttachSheetStore(GraphicsEditorState& state, zelda3::GameData* game_data);
 
zelda3::GraphicsSheetStore* ActiveSheetStore(const GraphicsEditorState& state);
 
void RefreshArenaSheet(GraphicsEditorState& state, uint16_t sheet);
 
absl::Status CommitSheetPixels(GraphicsEditorState& state, uint16_t sheet,
                               absl::Span<const uint8_t> pixels);
 
absl::Status ApplySheetPixelDiff(GraphicsEditorState& state,
                                 const SheetPixelDiff& diff, bool redo);
 
int SyncArenaFromStore(GraphicsEditorState& state);
 
}  // namespace editor
}  // namespace yaze
 
#endif  // YAZE_APP_EDITOR_GRAPHICS_GRAPHICS_SHEET_SYNC_H