AnimationComponent.h

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#pragma once
 
#include "Behavior.h"
#include "../Core/Core.h"
#include "../Render/SpriteSheet.h"
 
#include <string>
#include <unordered_map>
#include <memory>
#include <vector>
 
namespace Shit
{
    class Animation;

    class SHIT_API AnimationComponent : public Behavior {
    public:
        AnimationComponent();
        ~AnimationComponent() override;
 
        // --- 生命周期 ---
        void onAttach() override;
        void onStart() override;
        void onUpdate() override;
        void onDestroy() override;
 
        // --- 动画管理 ---
        void addAnimation(const std::string& name, std::unique_ptr<Animation> animation);
 
        void play(const std::string& name);
        void stop();
        void pause();
        void resume();

        void play(const std::string& name, const SpriteSheet& sheet,
                  const std::vector<int>& frames, float duration = 0.1f, bool loop = true);
 
        // --- 查询 ---
        bool isPlaying() const { return m_isPlaying; }
        bool isPaused() const { return m_isPaused; }
        const std::string& getCurrentAnimationName() const { return m_currentAnimationName; }
 
    private:
        // 把当前帧源矩形回写到 SpriteRenderer（若存在且纹理一致）
        void applyCurrentFrame();
 
        std::unordered_map<std::string, std::unique_ptr<Animation>> m_animations;
        Animation* m_currentAnimation = nullptr;
        std::string m_currentAnimationName;
        float m_currentTime = 0.0f;
 
        bool m_isPlaying = false;
        bool m_isPaused = false;
    };
}