TextYurashiPlugin/TextYurashiEffectProcessor.cs at main · dmmo-com-jp/TextYurashiPlugin · GitHub

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using Vortice.Direct2D1;
using YukkuriMovieMaker.Player.Video;

namespace TextYurashiPlugin
{
    internal class TextYurashiEffectProcessor : IVideoEffectProcessor
    {
        readonly TextYurashiEffect item;
        ID2D1Image? input;

        public ID2D1Image Output => input ?? throw new NullReferenceException(nameof(input) + "is null");

        public TextYurashiEffectProcessor(TextYurashiEffect item)
        {
            this.item = item;
        }

        /// <summary>
        /// エフェクトを更新する
        /// </summary>
        /// <param name="effectDescription">エフェクトの描画に必要な各種情報</param>
        /// <returns>描画位置等の情報</returns>
        public DrawDescription Update(EffectDescription effectDescription)
        {
            var frame = effectDescription.ItemPosition.Frame;
            var length = effectDescription.ItemDuration.Frame;
            var fps = effectDescription.FPS;
            var x = item.X.GetValue(frame, length, fps);
            var y = item.Y.GetValue(frame, length, fps);
            var z = item.Z.GetValue(frame, length, fps);
            var 範囲 = item.範囲.GetValue(frame, length, fps);
            var 間隔 = item.間隔.GetValue(frame, length, fps);
            var drawDesc = effectDescription.DrawDescription;
            var seeds = frame + drawDesc.Draw.X + drawDesc.Draw.Y;
            var fps_frame = frame % fps;
            var fps間隔 = fps_frame % (fps / Math.Round(1 / 間隔));
            if (fps間隔 != 0) {
                Random random2 = new Random((int)seeds - (int)fps間隔);
                return
                    drawDesc with
                    {
                        Draw = new(
                        drawDesc.Draw.X + random2.Next(Math.Abs((int)x)) - ((int)x/2),
                        drawDesc.Draw.Y + random2.Next(Math.Abs((int)y)) - ((int)y/2),
                        drawDesc.Draw.Z + random2.Next(Math.Abs((int)z)) - ((int)z/2)),
                        Rotation = new(
                        drawDesc.Rotation.X,
                        drawDesc.Rotation.Y,
                        drawDesc.Rotation.Z + random2.Next(Math.Abs((int)範囲)) - ((int)範囲 / 2)
                        )
                    };
            }
            Random random = new Random((int)seeds);
            return
                drawDesc with
                {
                    Draw = new(
                    drawDesc.Draw.X + random.Next(Math.Abs((int)x)) - ((int)x / 2),
                    drawDesc.Draw.Y + random.Next(Math.Abs((int)y)) - ((int)y / 2),
                    drawDesc.Draw.Z + random.Next(Math.Abs((int)z)) - ((int)z / 2)),
                    Rotation = new(
                    drawDesc.Rotation.X,
                    drawDesc.Rotation.Y,
                    drawDesc.Rotation.Z + random.Next(Math.Abs((int)範囲)) - ((int)範囲 / 2)
                    )
                };
        }
        public void ClearInput()
        {
            input = null;
        }
        public void SetInput(ID2D1Image? input)
        {
            this.input = input;
        }

        public void Dispose()
        {

        }

    }
}