WorldUiSurfaceComponent.h

#pragma once
 
#include "Engine/Asset/AssetHandles.h"
#include "Engine/Component/LogicComponent.h"
#include "Engine/Files/Path.h"
#include "Engine/Material/RuntimeMaterialLease.h"
 
#include <glm/vec3.hpp>
#include <glm/vec4.hpp>
 
namespace Engine::Components
{
    class Mesh;
    class WidgetComponent;
 
    struct WorldUiMaterialSettings
    {
        glm::vec4 baseColorFactor{ 1.0f };
        glm::vec3 emissiveFactor{ 3.0f };
        float alphaCutoff = 0.01f;
        float roughness = 0.8f;
        float metallic = 0.0f;
        float shScale = 0.0f;
        float ambientTerm = 1.0f;
    };

    class WorldUiSurfaceComponent final : public Logic
    {
    public:
        WorldUiSurfaceComponent(
            Entities::Scene *       scene,
            Mesh *                  mesh,
            WidgetComponent *       widget,
            Asset::MeshPath         materialPath,
            WorldUiMaterialSettings settings = {}
        );
 
        void beginPlay() override;
        void tick( double deltaTime ) override;
 
        [[nodiscard]] bool isMaterialInstalled() const { return materialLease_.isValid(); }
        [[nodiscard]] Assets::MaterialHandle getMaterialHandle() const { return materialLease_.handle(); }
 
    private:
        void tryInstallMaterial();
 
        Mesh *                  mesh_ = nullptr;
        WidgetComponent *       widget_ = nullptr;
        Asset::MeshPath         materialPath_;
        WorldUiMaterialSettings settings_;
        Assets::RuntimeMaterialLease materialLease_;
        bool                    loggedWaitingForDescriptor_ = false;
    };
}  // namespace Engine::Components