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#pragma once
#include "core/log.h"
#include "platform/opengl/texture.h"
#include <string>
#include <unordered_map>
#include <memory>
namespace Donut
{
class HDRIManager
{
public:
static auto get() -> HDRIManager&
{
static HDRIManager instance;
return instance;
}
auto load_hdri(const std::string& path) -> Ref<CubemapTexture>;
auto get_current_hdri() const -> Ref<CubemapTexture> { return m_current_hdri; }
auto set_current_hdri(const std::string& path) -> void;
auto get_available_hdri() const -> const std::vector<std::string>& { return m_available_hdri; }
auto get_hdri_name(const std::string& path) const -> std::string;
auto clear_cache() -> void;
private:
HDRIManager() = default;
~HDRIManager() = default;
HDRIManager(const HDRIManager&) = delete;
HDRIManager& operator=(const HDRIManager&) = delete;
std::unordered_map<std::string, Ref<CubemapTexture>> m_hdri_cache;
Ref<CubemapTexture> m_current_hdri;
std::vector<std::string> m_available_hdri =
{
"assets/hdri/hdr_blue_nebulae_1.hdr",
"assets/hdri/hdr_subdued_blue_nebulae.hdr",
"assets/hdri/hdr_subdued_multi_nebulae.hdr",
"assets/hdri/night_sky.hdr"
};
};
};
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