v1.00.00

AssetStudio/Math/XForm.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace AssetStudio
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    public struct XForm : IEquatable<XForm>
+    {
+        public Vector3 t;
+        public Quaternion q;
+        public Vector3 s;
+
+        public XForm(Vector3 t, Quaternion q, Vector3 s)
+        {
+            this.t = t;
+            this.q = q;
+            this.s = s;
+        }
+        public float this[int index]
+        {
+            get
+            {
+                switch (index)
+                {
+                    case 0: return t.X;
+                    case 1: return t.Y;
+                    case 2: return t.Z;
+                    case 3: return q.X;
+                    case 4: return q.Y;
+                    case 5: return q.Z;
+                    case 6: return q.W;
+                    case 7: return s.X;
+                    case 8: return s.Y;
+                    case 9: return s.Z;
+                    default: throw new ArgumentOutOfRangeException(nameof(index), "Invalid xform index!");
+                }
+            }
+
+            set
+            {
+                switch (index)
+                {
+                    case 0: t.X = value; break;
+                    case 1: t.Y = value; break;
+                    case 2: t.Z = value; break;
+                    case 3: q.X = value; break;
+                    case 4: q.Y = value; break;
+                    case 5: q.Z = value; break;
+                    case 6: q.W = value; break;
+                    case 7: s.X = value; break;
+                    case 8: s.Y = value; break;
+                    case 9: s.Z = value; break;
+                    default:
+                        throw new ArgumentOutOfRangeException(nameof(index), "Invalid xform index!");
+                }
+            }
+        }
+
+        public override int GetHashCode()
+        {
+            return t.GetHashCode() ^ (q.GetHashCode() << 2) ^ (s.GetHashCode() >> 2);
+        }
+
+        bool IEquatable<XForm>.Equals(XForm other)
+        {
+            return t.Equals(other.t) && q.Equals(other.q) && s.Equals(other.s);
+        }
+
+        public static XForm Zero => new XForm(Vector3.Zero, Quaternion.Zero, Vector3.One);
+    }
+}