using BrewMonster;

/// <summary>
/// Stub实现 — 在没有真实TMP_SpriteAsset(emotion atlas)时使用的占位映射。
/// Stub implementation used when no real TMP_SpriteAsset (emotion atlas) is available yet.
///
/// 当准备好atlas后，创建一个新的IEmotionSpriteMap实现，替换掉这个stub。
/// When atlas is ready, create a real IEmotionSpriteMap implementation and swap it in
/// ChatEmotionDisplayPipeline / CECGameUIMan emotion pipeline.
/// </summary>
public class StubEmotionSpriteMap : IEmotionSpriteMap
{
    private const int EMOTIONS_PER_SET = 50;
    private const int FRAMES_PER_EMOTION = 4;
    private const int DEFAULT_FPS = 10;

    public bool TryGetSprite(int emotionSet, int emotionIndex, out EmotionSpriteInfo info)
    {
        int startFrame = (emotionSet * EMOTIONS_PER_SET + emotionIndex) * FRAMES_PER_EMOTION;
        BMLogger.Log("[Cuong] TryGetSprite");
        info = new EmotionSpriteInfo
        {
            SpriteIndex  = startFrame,
            IsAnimated   = true,
            AnimEndFrame = startFrame + FRAMES_PER_EMOTION - 1,
            AnimFPS      = DEFAULT_FPS
        };

        return true;
    }
}