Add mesh reading and conversion support

LibDgf/Ps2/Vif/VuFloat.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace LibDgf.Ps2.Vif
+{
+    public struct VuFloat
+    {
+        public uint Packed;
+
+        public static implicit operator double(VuFloat f)
+        {
+            ulong sign = (f.Packed >> 31) & 1;
+            ulong exponent = (f.Packed >> 23) & 0xff;
+            ulong mantissa = f.Packed & 0x7fffff;
+            ulong doubleValue;
+            if (exponent == 0)
+            {
+                doubleValue = sign << 63;
+            }
+            else
+            {
+                doubleValue = (sign << 63) | ((exponent + 1023 - 127) << 52) | (mantissa << 29);
+            }
+            return BitConverter.ToDouble(BitConverter.GetBytes(doubleValue), 0);
+        }
+
+        public override string ToString()
+        {
+            return ((double)this).ToString();
+        }
+    }
+}