Improved alpha support

Code/Data/Paths.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Flowframes.IO
+{
+    class Paths
+    {
+		public const string framesDir = "frames";
+		public const string interpDir = "interp";
+		public const string chunksDir = "vchunks";
+		public const string scenesDir = "scenes";
+		public const string alphaSuffix = "-a";
+
+		public static string GetVerPath()
+		{
+			return Path.Combine(GetDataPath(), "ver.ini");
+		}
+
+		public static string GetDataPath ()
+		{
+			string path = Path.Combine(IOUtils.GetExeDir(), "FlowframesData");
+			Directory.CreateDirectory(path);
+			return path;
+		}
+
+
+		public static string GetPkgPath()
+		{
+			string path = Path.Combine(GetDataPath(), "pkgs");
+			Directory.CreateDirectory(path);
+			return path;
+		}
+
+		public static string GetLogPath()
+		{
+			string path = Path.Combine(GetDataPath(), "logs");
+			Directory.CreateDirectory(path);
+			return path;
+		}
+	}
+}