sprite.hpp

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#pragma once
 
#include <string>
#include <glm/glm.hpp>
 
#include "../ecs/component.hpp"
#include "../ecs/system.hpp"
 
#include "material.hpp"
 
namespace Engine::Graphics {
    struct Sprite : public ECS::Component {
        Graphics::Material material;

        glm::vec2 size = {1.0f, 1.0f};
    };

    struct SpriteAnimation {
        std::vector<Graphics::Texture *> frames;

        float frameDuration = 0.1f;
        bool loop = true;
    };

    class SpriteAnimator : public ECS::Component {
        private:
            std::unordered_map<std::string, SpriteAnimation> mAnimations;
            std::string mCurrentAnimationName;
            int mCurrentFrameIndex = 0;
            float mTimer = 0.0f;
            bool mPlaying = false;
 
        public:
            void AddAnimation(const std::string& name, const SpriteAnimation& animation);
            SpriteAnimation& GetAnimation(const std::string& name);
            void Play(const std::string& name, bool resetIfSame = false);
            void Stop();

            std::string GetCurrentAnimationName() const;
            bool IsPlaying() const;
            Graphics::Texture* GetCurrentFrame() const;
            void Update(float dt);
    };
 
    class SpriteAnimationSystem : public ECS::System {
        public:
            void OnUpdate(float deltaTime) override;
    };
}