overworld_canvas_renderer.h

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#ifndef YAZE_APP_EDITOR_OVERWORLD_OVERWORLD_CANVAS_RENDERER_H
#define YAZE_APP_EDITOR_OVERWORLD_OVERWORLD_CANVAS_RENDERER_H
 
#include <cstdint>
#include <unordered_map>
 
#include "absl/status/status.h"
#include "app/gfx/core/bitmap.h"
#include "app/gui/layout/adaptive_sheet_layout.h"
#include "imgui/imgui.h"
 
namespace yaze {
namespace editor {
 
class OverworldEditor;
 
class OverworldCanvasRenderer {
 public:
  explicit OverworldCanvasRenderer(OverworldEditor* editor);
 
  // =========================================================================
  // Main Canvas Drawing
  // =========================================================================
 
  void DrawOverworldCanvas();
 
  // =========================================================================
  // Panel Drawing Methods
  // =========================================================================
 
  absl::Status DrawTile16Selector();
 
  void DrawTile8Selector();
 
  absl::Status DrawAreaGraphics();
 
  void DrawV3Settings();
 
  void DrawMapProperties();
 
  void DrawOverworldProperties();
 
 private:
  // =========================================================================
  // Internal Canvas Drawing Helpers
  // =========================================================================
 
  void DrawOverworldMaps();
  void DrawMapWithAreaLayers(int map_index, int map_x, int map_y, float scale);
 
  // Subscreen overlay layer per map (sky, fog, lava, canopy, rain), built in
  // the map's palette and refreshed when the map's pixels change.
  struct OverlayLayer {
    gfx::Bitmap bitmap;
    uint64_t bitmap_serial = 0;
    bool background = false;
    bool has_overlay = false;
  };
  OverlayLayer* EnsureOverlayLayer(int map_index);
  std::unordered_map<int, OverlayLayer> overlay_layers_;
  bool PrepareContextMenu(const ImVec2& screen_position);
  void FilterHoveredEntityByMode();
 
  // =========================================================================
  // Data
  // =========================================================================
 
  OverworldEditor* editor_;  
  gui::AdaptiveSheetScaleMode tile16_scale_mode_ =
      gui::AdaptiveSheetScaleMode::kFit;
  gui::AdaptiveSheetScaleMode area_graphics_scale_mode_ =
      gui::AdaptiveSheetScaleMode::kFit;
};
 
}  // namespace editor
}  // namespace yaze
 
#endif  // YAZE_APP_EDITOR_OVERWORLD_OVERWORLD_CANVAS_RENDERER_H