scene_generator.h

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#ifndef SCENE_GENERATOR_H
#define SCENE_GENERATOR_H
#include <memory>
#include <map>
#include "physics/collision_data.h"
#include "graphics/vertex_data.h"
#include "graphics/texture_manager.h"
#include "graphics/shader_manager.h"
#include "graphics/renderable.h"
#include "graphics/tile_animator.hpp"
#include "component_manager.h"
#include "entity.h"
#include "scene.h"
#include "map.h"
#include "sprite_movement.h"
//= SCRIPTABLE

namespace Game {
  class SceneGenerator {
    private:

      struct AnimationPlaceholder {
        std::string sprite_name;
        SpriteMovementMotor::SpriteState default_animation;
        int x_pos;
        int y_pos;
        float z_order;
      };

      struct MapRenderables {
        std::vector<std::shared_ptr<Entity>> entities;
        std::vector<AnimationPlaceholder> dynamic_animations;
      };

      struct DynamicAnimation {
        std::shared_ptr<Entity> entity;
        std::shared_ptr<Graphics::TileAnimator<SpriteMovementMotor::SpriteState>> animator;
      };

      std::weak_ptr<Graphics::TextureManager> texture_manager;
      std::weak_ptr<Graphics::ShaderManager> shader_manager;
      std::map<std::string, DynamicAnimation> dynamic_animations;

      unsigned int ui_z_slots;

      Graphics::VertexData generateBasisCube();
      Graphics::VertexData generateBasisTile(const unsigned int base_width, const unsigned int base_height, const unsigned int current_width, const unsigned int current_height, const unsigned int x_pos = 0, const unsigned int y_pos = 0,  const unsigned int offset_x = 0, const unsigned int offset_y = 0);
      std::shared_ptr<Graphics::BaseTexture> textureFromTileset(const Tmx::Tileset* tileset, const std::string& path);
      std::shared_ptr<Graphics::BaseTexture> normalTextureFromTileset(const Tmx::Tileset* tileset, const std::string& path);
      std::shared_ptr<Graphics::BaseTexture> displacementTextureFromTileset(const Tmx::Tileset* tileset, const std::string& path);
      std::vector<glm::vec2> generateTextureCoords(const Tmx::TileLayer* layer, const unsigned int x_pos, const unsigned int y_pos, const unsigned int texture_width, const unsigned int texture_height, const unsigned int tile_width, const unsigned int tile_height);
      std::vector<glm::vec3> generateVertexCoords(const unsigned int base_width, const unsigned int base_height, const unsigned int current_width, const unsigned int current_height, const unsigned int x_pos = 0, const unsigned int y_pos = 0, const unsigned int offset_x = 0, const unsigned int offset_y = 0);


      MapRenderables createRenderablesFromMap(const unsigned int patch_width_tiles, const unsigned int patch_height_tiles, const Map& map);
      std::vector<std::shared_ptr<Entity>> createStaticallyAnimatedTilesFromMap(const Map& map);
      std::map<std::string, DynamicAnimation> createAnimationsFromAnimationMap(const Map& map);
      std::vector<std::shared_ptr<Component>> createLightsFromMap(const Map& map);
      std::shared_ptr<Physics::CollisionData> createCollisionDataFromMap(const Map& map);

      SpriteMovementMotor::SpriteState transformStateStringToEnum(const std::string& state);

      float calculateZ(unsigned int layer_index, unsigned int layers_total);
    public:
      SceneGenerator() = delete;
      ~SceneGenerator();

      //= BEGIN SCRIPTABLE

      SceneGenerator(const Map& animation_index, std::shared_ptr<Graphics::TextureManager> texture_manager, std::shared_ptr<Graphics::ShaderManager> shader_manager, const unsigned int ui_z_slots);
      SceneGenerator(const SceneGenerator& s) = default;
      SceneGenerator& operator=(const SceneGenerator& other) = default;

      std::shared_ptr<Scene> createSceneFromMap(const unsigned int patch_width_tiles, const unsigned int patch_height_tiles, const Map& map);

      std::shared_ptr<Entity> getDynamicEntityByName(const std::string& name);

      std::vector<std::string> getDynamicEntityNames() const noexcept;

      std::string getStrippedMapName(const std::string path);
      //= END SCRIPTABLE
  };
}

#endif