interaction_context.h

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#ifndef YAZE_APP_EDITOR_DUNGEON_INTERACTION_INTERACTION_CONTEXT_H_
#define YAZE_APP_EDITOR_DUNGEON_INTERACTION_INTERACTION_CONTEXT_H_
 
#include <array>
#include <functional>
 
#include "app/editor/dungeon/dungeon_coordinates.h"
#include "app/gfx/types/snes_palette.h"
#include "app/gui/canvas/canvas.h"
#include "rom/rom.h"
#include "zelda3/dungeon/room.h"
 
namespace yaze {
namespace editor {
 
struct InteractionContext {
  // Core dependencies (required)
  gui::Canvas* canvas = nullptr;
  Rom* rom = nullptr;
  std::array<zelda3::Room, dungeon_coords::kRoomCount>* rooms = nullptr;
  int current_room_id = 0;
 
  // Palette for rendering previews
  gfx::PaletteGroup current_palette_group;
 
  // Unified callbacks
  // Called before any state modification (for undo snapshots)
  std::function<void()> on_mutation;
 
  // Called after rendering changes require cache refresh
  std::function<void()> on_invalidate_cache;
 
  // Called when selection state changes
  std::function<void()> on_selection_changed;
 
  // Called when entity (door/sprite/item) changes
  std::function<void()> on_entity_changed;
 
  bool IsValid() const { return canvas != nullptr && rooms != nullptr; }
 
  zelda3::Room* GetCurrentRoom() const {
    if (!rooms || !dungeon_coords::IsValidRoomId(current_room_id)) {
      return nullptr;
    }
    return &(*rooms)[current_room_id];
  }
 
  const zelda3::Room* GetCurrentRoomConst() const {
    if (!rooms || !dungeon_coords::IsValidRoomId(current_room_id)) {
      return nullptr;
    }
    return &(*rooms)[current_room_id];
  }
 
  void NotifyMutation() const {
    if (on_mutation) on_mutation();
  }
 
  void NotifyInvalidateCache() const {
    if (on_invalidate_cache) on_invalidate_cache();
  }
 
  void NotifySelectionChanged() const {
    if (on_selection_changed) on_selection_changed();
  }
 
  void NotifyEntityChanged() const {
    if (on_entity_changed) on_entity_changed();
  }
};
 
}  // namespace editor
}  // namespace yaze
 
#endif  // YAZE_APP_EDITOR_DUNGEON_INTERACTION_INTERACTION_CONTEXT_H_