61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// firework_manager.hpp - Gestor de bursts radials (fireworks)
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// © 2026 JailDesigner
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#pragma once
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#include <SDL3/SDL.h>
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#include <array>
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#include <functional>
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#include <utility>
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#include "core/defaults.hpp"
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#include "core/rendering/render_context.hpp"
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#include "core/types.hpp"
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#include "firework.hpp"
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namespace Effects {
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// Pool de partícules. spawn() emet un burst d'N línies radials des
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// d'`origen`. Cada partícula viu independent (update/draw/rebot).
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class FireworkManager {
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public:
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// Notificació opcional cada vegada que es genera un burst.
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using SpawnCallback = std::function<void(Vec2 origen)>;
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explicit FireworkManager(Rendering::Renderer* renderer);
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void setSpawnCallback(SpawnCallback callback) {
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spawn_callback_ = std::move(callback);
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}
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// Emet un burst radial:
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// origen: punt central del burst.
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// color: color de les línies (heretat del pare).
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// initial_speed: velocitat radial inicial (px/s).
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// n_points: nombre de línies. Default Defaults::FX::Firework::N_POINTS.
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// initial_brightness: 0..1.
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void spawn(const Vec2& origen,
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SDL_Color color = Defaults::FX::Firework::DEFAULT_COLOR,
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float initial_speed = Defaults::FX::Firework::SPEED,
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int n_points = Defaults::FX::Firework::N_POINTS,
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float initial_brightness = Defaults::FX::Firework::INITIAL_BRIGHTNESS);
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void update(float delta_time);
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void draw() const;
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void reset();
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[[nodiscard]] auto getActiveCount() const -> int;
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private:
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Rendering::Renderer* renderer_;
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SpawnCallback spawn_callback_;
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static constexpr int POOL_SIZE = Defaults::FX::Firework::POOL_SIZE;
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std::array<Firework, POOL_SIZE> pool_;
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auto findFreeSlot() -> Firework*;
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};
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} // namespace Effects
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