Playing sequences of .ply files now possible with the player.

2026-10-09 00:09:58 +00:00 · 2017-02-11 14:32:24 +01:00
parent a1e8ba5345
commit 2b6b153201
6 changed files with 173 additions and 32 deletions
@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+
+namespace LiveScanPlayer
+{
+    class FrameFileReaderPly : IFrameFileReader
+    {
+        string[] filenames;
+        int currentFrameIdx = 0;
+
+        public FrameFileReaderPly(string[] filenames)
+        {
+            this.filenames = filenames;
+        }
+
+        public int frameIdx
+        {
+            get
+            {
+                return currentFrameIdx;
+            }
+            set
+            {
+                JumpToFrame(value);
+            }
+        }
+
+        public void ReadFrame(List<float> vertices, List<byte> colors)
+        {
+            BinaryReader reader = new BinaryReader(new FileStream(filenames[currentFrameIdx], FileMode.Open));
+
+            string line = ReadLine(reader);
+            while (!line.Contains("element vertex"))
+                line = ReadLine(reader);
+            string[] lineElems = line.Split(' ');
+            int nPoints = Int32.Parse(lineElems[2]);
+            while (!line.Contains("end_header"))
+                line = ReadLine(reader);
+
+            for (int i = 0; i < nPoints; i++)
+            {
+                for (int j = 0; j < 3; j++)
+                {
+                    vertices.Add(reader.ReadSingle());
+                }
+                for (int j = 0; j < 3; j++)
+                {
+                    colors.Add(reader.ReadByte());
+                }
+            }
+
+            reader.Dispose();
+
+            currentFrameIdx++;
+            if (currentFrameIdx >= filenames.Length)
+                currentFrameIdx = 0;
+        }
+
+        public void JumpToFrame(int frameIdx)
+        {
+            currentFrameIdx = frameIdx;
+            if (currentFrameIdx >= filenames.Length)
+                currentFrameIdx = 0;
+        }
+
+        public void Rewind()
+        {
+            currentFrameIdx = 0;
+        }
+
+        public string ReadLine(BinaryReader binaryReader)
+        {
+            StringBuilder builder = new StringBuilder();
+            byte buffer = binaryReader.ReadByte();
+
+            while (buffer != '\n')
+            {
+                builder.Append((char)buffer);
+                buffer = binaryReader.ReadByte();
+            }
+
+            return builder.ToString();
+        }
+
+    }
+}