Animation.hpp

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///
/// @file Systems.hpp
/// @brief This file contains the system definitions
/// @namespace cli
///
 
#pragma once
 
#include "ECS/Component.hpp"
#include "ECS/Registry.hpp"
#include "Interfaces/IRenderer.hpp"
 
namespace cli
{
 
    class AnimationSystem final : public eng::ASystem
    {
        public:
            explicit AnimationSystem(eng::IRenderer & /* renderer */) {}
            ~AnimationSystem() override = default;
 
            AnimationSystem(const AnimationSystem &) = delete;
            AnimationSystem &operator=(const AnimationSystem &) = delete;
            AnimationSystem(AnimationSystem &&) = delete;
            AnimationSystem &operator=(AnimationSystem &&) = delete;
 
            void update(ecs::Registry &registry, float dt) override
            {
                for (auto &[entity, animation] : registry.getAll<ecs::Animation>())
                {
                    animation.current_time += dt;
 
                    if (animation.current_time >= animation.frame_duration)
                    {
                        animation.current_time = 0.0f;
                        animation.current_frame = (animation.current_frame + 1) % animation.total_frames;
                    }
 
                    auto *rect = registry.getComponent<ecs::Rect>(entity);
 
                    if (rect)
                    {
                        // Calculer la position du frame dans la spritesheet
                        int frame_x = (animation.current_frame % animation.frames_per_row) * animation.frame_width;
                        int frame_y = (animation.current_frame / animation.frames_per_row) * animation.frame_height;
                        if (rect->pos_x != static_cast<float>(frame_x) || rect->pos_y != static_cast<float>(frame_y))
                        {
                            rect->pos_x = static_cast<float>(frame_x);
                            rect->pos_y = static_cast<float>(frame_y);
                            rect->size_x = animation.frame_width;
                            rect->size_y = animation.frame_height;
                        }
                    }
                }
            }
 
    }; // class AnimationSystem
 
} // namespace cli