ParticleEmitter.h

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//   ____   __                  __  __
// /\__  _\/\ \                /\ \/\ \
// \/_/\ \/\ \ \___      __    \ \ \_\ \    ___   __  __    ____     __
//    \ \ \ \ \  _ `\  /'__`\   \ \  _  \  / __`\/\ \/\ \  /',__\  /'__`\
//     \ \ \ \ \ \ \ \/\  __/    \ \ \ \ \/\ \L\ \ \ \_\ \/\__, `\/\  __/
//      \ \_\ \ \_\ \_\ \____\    \ \_\ \_\ \____/\ \____/\/\____/\ \____\
//       \/_/  \/_/\/_/\/____/     \/_/\/_/\/___/  \/___/  \/___/  \/____/
 
 
#pragma once
#include "Graphics/ParticleBlock.h"
#include "Graphics/ParticleSpawner.h"
#include "Utility/Math/AffineMatrix.h"
 

class ParticleEmitter final
{
public:
    ParticleEmitter();
    ~ParticleEmitter();
    ParticleEmitter(const ParticleEmitter& other);
    ParticleEmitter(ParticleEmitter&& other) noexcept;
    auto operator=(const ParticleEmitter& other) -> ParticleEmitter&;
    auto operator=(ParticleEmitter&& other) noexcept -> ParticleEmitter&;

    auto setParentTransform(const AffineMatrix& affineMatrix, Vector4D scale, float rot) -> void;

    auto registerWithParticles() const -> void;

    auto update(float dt) -> void;

    auto showMenu() -> void;

    auto reset() -> void;
 
    [[nodiscard]] auto getName() const -> std::string;
 
    friend auto to_json(json& j, const ParticleEmitter& n) -> void;
    friend auto from_json(const json& j, ParticleEmitter& n) -> void;
 
private:
    std::string name = "Emitter";
    std::shared_ptr<ParticleBlock> block;
    std::unique_ptr<ParticleSpawner> spawner;

    AffineMatrix parentTransform;
    Vector4D parentScale;
    float parentRot = 0;
    float spawnsPerSecond = 1.f;
    float timeToNextSpawn = 0.f;

    auto getTimeBetweenSpawns() const -> float;
 
};