daily update on 20230807 by nitload youmu

2023-08-07 22:12:37 +08:00
parent 0601a6dcce
commit f9f339405e
16 changed files with 573 additions and 355 deletions
@@ -3,92 +3,85 @@ using System.Runtime.InteropServices;

 namespace StgSharp.Math
 {
-    [StructLayout(LayoutKind.Explicit)]
-    public struct matrix3x2 : IEquatable<matrix3x2>
+    public class Matrix3x2
    {
-        [FieldOffset(0)]
-        public vec2d row1;
-        [FieldOffset(8)]
-        public vec2d row2;
-        [FieldOffset(16)]
-        public vec2d row3;
+        internal M128Map _map;

-        public matrix3x2(vec2d r1, vec2d r2, vec2d r3)
-        {
-            row1 = r1;
-            row2 = r2;
-            row3 = r3;
-        }
+        internal IntPtr _colum0Ptr;
+        internal IntPtr _colum1Ptr;

-        public matrix3x2(
-            float a11, float a12,
-            float a21, float a22,
-            float a31, float a32
+        private bool _isTransposed;
+        private Matrix2x3 _transpose;
+
+        public Matrix3x2(
+            float a00,float a01,
+            float a10,float a11,
+            float a20,float a21
            )
        {
-            row1 = new vec2d(a11, a12);
-            row2 = new vec2d(a21, a22);
-            row3 = new vec2d(a31, a32);
+            _colum0Ptr = internalIO.load_internal(a00,a10,a20,0);
+            _colum0Ptr = internalIO.load_internal(a01,a11,a21,0);
+
+            _transpose = new Matrix2x3(this);
        }

-        bool IEquatable<matrix3x2>.Equals(matrix3x2 other)
+        internal Matrix3x2(
+            IntPtr colum0Ptr,
+            IntPtr colum1Ptr
+            )
        {
-            if (this.GetHashCode() != other.GetHashCode())
+            _colum0Ptr = colum0Ptr;
+            _colum1Ptr = colum1Ptr;
+
+            _transpose = new Matrix2x3(this);
+        }
+
+        internal Matrix3x2(Matrix2x3 transpose)
+        {
+            _transpose = transpose;
+        }
+
+        public unsafe Matrix2x3 Transpose(TransposeMode transposeMode)
+        {
+            if (_isTransposed)
            {
-                return false;
+                (*(M128*)_transpose._colum0Ptr).single_0 = (*(M128*)_colum0Ptr).single_0;
+                (*(M128*)_transpose._colum1Ptr).single_0 = (*(M128*)_colum0Ptr).single_1;
+                (*(M128*)_transpose._colum2Ptr).single_0 = (*(M128*)_colum0Ptr).single_2;
+
+                (*(M128*)_transpose._colum0Ptr).single_1 = (*(M128*)_colum1Ptr).single_0;
+                (*(M128*)_transpose._colum1Ptr).single_1 = (*(M128*)_colum1Ptr).single_1;
+                (*(M128*)_transpose._colum2Ptr).single_1 = (*(M128*)_colum1Ptr).single_2;
+
+                _isTransposed = true;
+
            }
-            else
+            switch (transposeMode)
            {
-                return
-                    this.row1 == other.row1
-                    && this.row2 == other.row2
-                    && this.row3 == other.row3
-                    ;
+                case TransposeMode.New:
+                    return new Matrix2x3(
+                        _transpose._colum0Ptr,
+                        _transpose._colum0Ptr,
+                        _transpose._colum0Ptr
+                        );
+                    break;
+                case TransposeMode.Copy:
+                    return _transpose;
+                    break;
+                default:
+                    throw new Exception();
+                    break;
            }
+
        }

-        public override bool Equals(object obj)
+        ~Matrix3x2()
        {
-            if (obj == null)
+            if (_map==null)
            {
-                return false;
+                internalIO.deinitM128_internal(_colum0Ptr);
+                internalIO.deinitM128_internal(_colum1Ptr);
            }
-            else if (obj.GetType() != typeof(matrix3x2))
-            {
-                return false;
-            }
-            else
-            {
-                return this.Equals((matrix3x2)obj);
-            }
-        }
-
-        public override int GetHashCode()
-        {
-            return HashCode.Combine(row1, row2, row3);
-        }
-
-        public override string ToString()
-        {
-            return $"{row1}\n{row2}\n{row3}";
-        }
-
-        public static matrix3x2 operator +(matrix3x2 matrix1, matrix3x2 matrix2)
-        {
-            return new matrix3x2(
-                matrix1.row1 + matrix2.row1,
-                matrix1.row2 + matrix2.row2,
-                matrix1.row3 + matrix2.row3
-                );
-        }
-
-        public static matrix3x2 operator -(matrix3x2 matrix1, matrix3x2 matrix2)
-        {
-            return new matrix3x2(
-                matrix1.row1 - matrix2.row1,
-                matrix1.row2 - matrix2.row2,
-                matrix1.row3 - matrix2.row3
-                );
        }

    }