extension/src/MapSingleton.hpp


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#pragma once

#include <functional>

#include <godot_cpp/classes/image.hpp>

#include "openvic2/Map.hpp"

namespace OpenVic2 {
   class MapSingleton : public godot::Object {
      GDCLASS(MapSingleton, godot::Object)

      static MapSingleton* singleton;

      godot::Ref<godot::Image> province_index_image, province_colour_image;
      Map map;
      Mapmode::index_t mapmode_index = 0;

      godot::Error _parse_province_identifier_entry(godot::String const& identifier, godot::Variant const& entry);
      godot::Error _parse_region_entry(godot::String const& identifier, godot::Variant const& entry);
   protected:
      static void _bind_methods();

   public:
      static MapSingleton* get_singleton();

      MapSingleton();
      ~MapSingleton();

      godot::Error load_province_identifier_file(godot::String const& file_path);
      godot::Error load_water_province_file(godot::String const& file_path);
      godot::Error load_region_file(godot::String const& file_path);
      godot::Error load_province_shape_file(godot::String const& file_path);

      Province* get_province_from_uv_coords(godot::Vector2 const& coords);
      Province const* get_province_from_uv_coords(godot::Vector2 const& coords) const;
      int32_t get_province_index_from_uv_coords(godot::Vector2 const& coords) const;
      godot::String get_province_identifier_from_uv_coords(godot::Vector2 const& coords) const;
      godot::String get_region_identifier_from_province_identifier(godot::String const& identifier) const;
      int32_t get_width() const;
      int32_t get_height() const;
      godot::Ref<godot::Image> get_province_index_image() const;
      godot::Ref<godot::Image> get_province_colour_image() const;

      godot::Error update_colour_image();
      int32_t get_mapmode_count() const;
      godot::String get_mapmode_identifier(int32_t index) const;
      godot::Error set_mapmode(godot::String const& identifier);
   };
}