(f417b026f) Fetched: Changes for playing video tutorial from local branch

2019-03-27 20:45:14 +02:00
parent e65c669eaa
commit 3f82c9a2cb
125 changed files with 1317 additions and 3166 deletions
@@ -0,0 +1,215 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using System;
+using System.Xml.Linq;
+using System.Collections.Generic;
+using Barotrauma.Media;
+
+namespace Barotrauma
+{
+    class VideoPlayer
+    {
+        private Video currentVideo;
+        private List<PreloadedContent> preloadedVideos;
+
+        private GUIFrame background, videoFrame;
+        private GUITextBlock title;
+        private GUICustomComponent videoView;
+
+        private Color backgroundColor = new Color(0f, 0f, 0f, 1f);
+        private Action callbackOnStop;
+
+        private bool isPlaying;
+
+        public bool IsPlaying()
+        {
+            return isPlaying;
+            /*if (currentVideo == null) return false;
+            return currentVideo.IsPlaying;*/
+        }
+
+        private readonly Point defaultResolution = new Point(520, 300);
+        private readonly int borderSize = 20;
+
+        private class PreloadedContent
+        {
+            public string ContentName;
+            public string ContentTag;
+            public Video Video;
+            public Point Resolution;
+
+            public PreloadedContent(string name, string tag, Video video, Point resolution)
+            {
+                ContentName = name;
+                ContentTag = tag;
+                Video = video;
+                Resolution = resolution;
+            }
+        }
+
+        public VideoPlayer()
+        {
+            int width = defaultResolution.X;
+            int height = defaultResolution.Y;
+
+            background = new GUIFrame(new RectTransform(new Point(GameMain.GraphicsWidth, GameMain.GraphicsHeight), GUI.Canvas, Anchor.Center), "InnerFrame", backgroundColor);
+            videoFrame = new GUIFrame(new RectTransform(new Point(width + borderSize, height + borderSize), background.RectTransform, Anchor.Center), "SonarFrame");
+            videoView = new GUICustomComponent(new RectTransform(new Point(width, height), videoFrame.RectTransform, Anchor.Center),
+            (spriteBatch, guiCustomComponent) => { DrawVideo(spriteBatch, guiCustomComponent.Rect); });
+            title = new GUITextBlock(new RectTransform(new Vector2(1f, 0f), videoFrame.RectTransform, Anchor.TopCenter, Pivot.BottomCenter), string.Empty, font: GUI.LargeFont, textAlignment: Alignment.Center);
+
+            preloadedVideos = new List<PreloadedContent>();
+        }
+
+        public void PreloadContent(string contentPath, string contentTag, string contentId, XElement contentElement)
+        {
+            if (preloadedVideos.Find(s => s.ContentName == contentId) != null) return; // Already loaded
+            Point resolution = new Point(contentElement.GetAttributeInt("width", 0), contentElement.GetAttributeInt("height", 0));
+
+            if (resolution.X == 0 || resolution.Y == 0)
+            {
+                resolution = defaultResolution;
+            }
+
+            preloadedVideos.Add(new PreloadedContent(contentId, contentTag, CreateVideo(contentPath, resolution), resolution));
+        }
+
+        public void RemoveAllPreloaded()
+        {
+            if (preloadedVideos == null || preloadedVideos.Count == 0) return;
+
+            for (int i = 0; i < preloadedVideos.Count; i++)
+            {
+                preloadedVideos[i] = null;
+            }
+
+            preloadedVideos.Clear();
+        }
+
+        public void RemovePreloadedByTag(string tag)
+        {
+            if (preloadedVideos == null || preloadedVideos.Count == 0) return;
+
+            for (int i = 0; i < preloadedVideos.Count; i++)
+            {
+                if (preloadedVideos[i].ContentTag != tag) continue;
+                preloadedVideos[i] = null;
+                preloadedVideos.RemoveAt(i);
+                i--;
+            }
+        }
+
+        public void Play()
+        {
+            isPlaying = true;
+        }
+
+        public void Stop()
+        {
+            isPlaying = false;
+            if (currentVideo == null) return;
+            currentVideo.Dispose();
+            currentVideo = null;
+        }
+
+        private bool OKButtonClicked(GUIButton button, object userData)
+        {
+            Stop();
+            callbackOnStop?.Invoke();
+            return true;
+        }
+
+        public void AddToGUIUpdateList()
+        {
+            if (!IsPlaying()) return;
+            background.AddToGUIUpdateList();
+        }
+
+        public void LoadContent(string contentPath, XElement videoElement, string contentId, bool startPlayback, bool hasButton, Action callback = null)
+        {
+            if (currentVideo != null)
+            {
+                currentVideo.Dispose();
+                currentVideo = null;
+            }
+
+            PreloadedContent preloaded = null;
+            Point resolution = new Point(0, 0);
+
+            if (preloadedVideos != null && preloadedVideos.Count > 0)
+            {
+                preloaded = preloadedVideos.Find(s => s.ContentName == contentId);
+
+                if (preloaded != null)
+                {
+                    currentVideo = preloaded.Video;
+                    resolution = preloaded.Resolution;
+                }
+            }
+
+            if (currentVideo == null) // No preloaded sheets found, create sheets
+            {
+                resolution = new Point(videoElement.GetAttributeInt("width", 0), videoElement.GetAttributeInt("height", 0));
+
+                if (resolution.X == 0 || resolution.Y == 0)
+                {
+                    resolution = defaultResolution;
+                }
+
+                currentVideo = CreateVideo(contentPath, resolution);
+            }
+
+            videoFrame.RectTransform.NonScaledSize = resolution + new Point(borderSize, borderSize);
+            videoView.RectTransform.NonScaledSize = resolution;
+
+            title.Text = TextManager.Get(contentId);
+            title.RectTransform.NonScaledSize = new Point(resolution.X, 30);
+
+            callbackOnStop = callback;
+
+            if (hasButton)
+            {
+                var okButton = new GUIButton(new RectTransform(new Point(160, 50), videoFrame.RectTransform, Anchor.BottomCenter, Pivot.TopCenter) { AbsoluteOffset = new Point(0, -10) },
+                    TextManager.Get("OK"))
+                {
+                    OnClicked = OKButtonClicked
+                };
+            }
+
+            if (startPlayback) Play();
+        }
+
+        private Video CreateVideo(string contentPath, Point resolution)
+        {
+            Video video = null;
+
+            try
+            {
+                video = new Video(GameMain.Instance.GraphicsDevice, GameMain.SoundManager, contentPath, (uint)resolution.X, (uint)resolution.Y);
+            }
+            catch (Exception e)
+            {
+                DebugConsole.ThrowError("Error loading video content " + contentPath + "!", e);
+            }
+
+            return video;
+        }
+
+        private void DrawVideo(SpriteBatch spriteBatch, Rectangle rect)
+        {
+            if (!isPlaying) return;
+            spriteBatch.Draw(currentVideo.GetTexture(), rect, Color.White);
+        }
+
+        public void Remove()
+        {
+            if (currentVideo != null)
+            {
+                currentVideo.Dispose();
+                currentVideo = null;
+            }
+
+            RemoveAllPreloaded();
+        }
+    }
+}