skybox.h

#pragma once
 
#include <stdexcept>
#include "../stage_node.h"
#include "../../generic/identifiable.h"
#include "../../path.h"
#include "../../asset_manager.h"
 
namespace smlt {
 
enum SkyboxFace {
    SKYBOX_FACE_TOP,
    SKYBOX_FACE_BOTTOM,
    SKYBOX_FACE_LEFT,
    SKYBOX_FACE_RIGHT,
    SKYBOX_FACE_FRONT,
    SKYBOX_FACE_BACK,
    SKYBOX_FACE_MAX
};
 
class SkyboxImageNotFoundError : public std::runtime_error {
public:
    SkyboxImageNotFoundError(const std::string& what):
        std::runtime_error(what) {}
};
 
class SkyboxImageDuplicateError : public std::runtime_error {
public:
    SkyboxImageDuplicateError(const std::string& what):
        std::runtime_error(what) {}
};
 
class SkyManager;
 
class Skybox :
    public generic::Identifiable<SkyID>,
    public ContainerNode,
    public ChainNameable<Skybox> {
 
public:
    constexpr static float DEFAULT_SIZE = 128.0f;
 
    Skybox(SkyManager* manager);
 
    bool init() override;
    void clean_up() override;
 
    void set_size(float size) { width_ = size; }
    float size() const { return width_; }
 
    void generate(
        const Path& up,
        const Path& down,
        const Path& left,
        const Path& right,
        const Path& front,
        const Path& back,
        const TextureFlags& flags
    );
 
    void destroy() override;
    void destroy_immediately() override;
 
    const AABB& aabb() const override;
 
    void update(float step) override {
        _S_UNUSED(step);
    }
 
private:
    friend class SkyManager;
 
    SkyManager* manager_ = nullptr;
 
    CameraID follow_camera_;
 
    ActorPtr actor_ = nullptr;
    MeshID mesh_id_;
 
    MaterialID materials_[SKYBOX_FACE_MAX];
 
    float width_;
};
 
}