ScreenCapture

// ScreenCapture.cs "$Revision: 1583 $" "$Date: 2019-04-04 20:04:51 +0300 (to, 04 huhti 2019) $"
using System;
using System.Globalization;
using Turbo.Plugins.Default;

namespace Turbo.Plugins.JarJar.DefaultUI
{
    public class ScreenCapture : BasePlugin, IBeforeRenderHandler
    {
        public bool StopRenderingWhenCapturing { get; set; } = false;
        public string SubFolderName { get; set; } = "capture_screen";
        public int DelayBetweenFrames { get; set; } = 500;

        public Func<IController, bool> IsCaptureOn = (hud) => { return false; };

        public Func<IController, string> CaptureFilename = (hud) => { return hud.Game.Me.HeroName + "_" + hud.Time.Now.ToString("yyyyMMddHHmmssfff", CultureInfo.InvariantCulture); };

        IWatch _lastCaptureDelay;
        int captureCount = 0;

        public ScreenCapture() { Enabled = true; }

        public void BeforeRender()
        {
            if (!Enabled) return;
            if (!Hud.Game.IsInGame) return;
            if (Hud.Game.IsInTown) return;

            var isCapturing = IsCaptureOn(Hud);
            if (!isCapturing)
            {
                if (StopRenderingWhenCapturing && !Hud.Render.IsRenderEnabled)
                {
                    // turn back
                    Hud.Render.IsRenderEnabled = true;
                }
                if (captureCount > 0)
                {
                    Hud.Debug(string.Format("Captured {0} screenshots", captureCount));
                    _lastCaptureDelay = null;
                    captureCount = 0;
                }
                return;
            }

            if (StopRenderingWhenCapturing && Hud.Render.IsRenderEnabled)
            {
                // turn off and wait a cycle before first capture so HUD can disappear properly
                Hud.Render.IsRenderEnabled = false;
                return;
            }

            if (_lastCaptureDelay == null || _lastCaptureDelay.TimerTest(DelayBetweenFrames))
            {
                if (_lastCaptureDelay == null)
                {
                    _lastCaptureDelay = Hud.Time.CreateWatch();
                }
                _lastCaptureDelay.Restart();
                try
                {
                    var fileName = CaptureFilename(Hud) + ".jpg";
                    Hud.Render.CaptureScreenToFile(SubFolderName, fileName);
                    captureCount += 1;
                }
                catch (Exception x)
                {
                    Enabled = false;
                    Hud.Debug("Exception in ScreenCapture: " + x.Message);
                    throw x;
                }
            }
        }
    }
}