TwinVisualsSystem.h

#pragma once
 
#include "Rendering/Common.h"
 
#include "Resources/Resources.h"
 
#include "Systems/ComponentSystem.h"
 
#include "TwinVisualsComponent.h"
 
namespace Cogs::Core {
 
  struct TwinVisualsData;
 
  struct TwinVisualsTextureWrapper
  {
    void clear(Context* context, TwinVisualsData& visualsData);
 
    void issue(Context* context, TwinVisualsData& visualsData, const StringView path);
 
    bool check(Context* context, TwinVisualsData& visualsData);
 
    TextureHandle present = TextureHandle::NoHandle;
    TextureHandle issued = TextureHandle::NoHandle;
  };
 
  enum struct TextureLoadingState : uint32_t {
    Ready,
    Loading,
    Failed
  };
 
  struct TwinVisualsData
  {
    std::string biosphere;
 
    TwinVisualsMode mode = TwinVisualsMode::Balanced;
    TwinVisualsTexAtlasStyle texAtlasStyle = TwinVisualsTexAtlasStyle::Color;
    TwinVisualsQualityPreset qualityPreset = TwinVisualsQualityPreset::Medium;
    TwinVisualsTonemapper tonemapper = TwinVisualsTonemapper::Reinhard;
    TwinVisualsDynamicRenderResolution drrPreset = TwinVisualsDynamicRenderResolution::FullQuality;
    bool useLowRes = false;
    bool shadowsEnabled = true;
    bool highlightRegionEnabled = false;
    bool pbrEnvironmentEnabled = false;
    bool firstrun = true;
    float brightness = 0.5f;
    bool groundPlaneEnabled = false;
 
    TwinVisualsTextureWrapper ggx;
    TwinVisualsTextureWrapper lut;
    TwinVisualsTextureWrapper lambertian;
    TwinVisualsTextureWrapper skybox;
 
    TextureLoadingState prevTextureLoadingState = TextureLoadingState::Ready;
    TextureLoadingState currTextureLoadingState = TextureLoadingState::Ready;
    bool presentTextures = false;
  };
 
  struct TwinVisualsSystem : public ComponentSystemWithDataPool<TwinVisualsComponent, TwinVisualsData>
  {
    using base = ComponentSystemWithDataPool<TwinVisualsComponent, TwinVisualsData>;
  public:
    TwinVisualsSystem(Memory::Allocator* allocator, SizeType capacity) : ComponentSystemWithDataPool(allocator, capacity) {}
 
    void preUpdate(Context* context) override;
 
    void update(Context* context) override;
 
    void postUpdate(Context* context) override;
 
    ComponentHandle createComponent() override;
 
    void destroyComponent(ComponentHandle handle) override;
 
 
    TwinVisualsComponent* globalTwinVisualsComponent = nullptr;
  };
}