voxelcore/src/presets/WeatherPreset.hpp

#pragma once

#include <optional>

#include "interfaces/Serializable.hpp"

#include "ParticlesPreset.hpp"

struct WeatherPreset : Serializable {
    struct {
        /// @brief Precipitation texture
        std::string texture;
        
        /// @brief Fall sound
        std::string noise;

        /// @brief Vertical speed
        float vspeed = 1.0f;

        /// @brief Max horizontal speed
        float hspeed = 0.1f;

        /// @brief UV scaling
        float scale = 0.1f;

        /// @brief Fall opacity interpreted as zero.
        /// @example if 0.8 then opacity range is 0.8-max for 0.0-1.0 intensity
        float minOpacity = 0.0f;

        /// @brief Fall opacity interpreted as one.
        /// @example if 0.8 then opacity range is min-0.8 for 0.0-1.0 intensity
        float maxOpacity = 1.0f;

        /// @brief Max fall intencity 
        /// (influences opacity, noise volume and splashes frequency)
        float maxIntensity = 1.0f;

        /// @brief Clip texture by alpha channel
        bool opaque = false;

        /// @brief Fall splash
        std::optional<ParticlesPreset> splash;
    } fall {};

    /// @brief Max weather fog opacity
    float fogOpacity = 0.0f;

    /// @brief Weather fog depth multiplier
    float fogDencity = 1.0f;

    /// @brief Weather fog curve
    float fogCurve = 1.0f;

    /// @brief Clouds opacity
    float clouds = 0.0f;
    
    /// @brief Thunder rate in range 0.0-1.0 (1.0 is 100% - every second)
    float thunderRate = 0.0f;
    
    /// @brief Weather effects intensity
    float intensity = 0.0f;

    /// @brief Skybox color multiplier 
    glm::vec3 skyTint {1.0f, 1.0f, 1.0f};

    /// @brief Clouds color multiplier
    glm::vec3 cloudsTint {1.0f, 1.0f, 1.0f};

    /// @brief Minimal sky-emitted lights (moon light)
    glm::vec3 minSkyLight {0.2f, 0.25f, 0.33f};

    dv::value serialize() const override;
    void deserialize(const dv::value& src) override;
};