namespace arrange; final wrap scheduale solution
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Youmu Liu
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//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="Matrix44.cs"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.Internal.Intrinsic;
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using StgSharp.Mathematics.Numeric;
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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namespace StgSharp.Mathematics.Graphic
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{
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[StructLayout(LayoutKind.Explicit, Size = 2 * 16 * sizeof(float) + sizeof(bool), Pack = 16)]
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public unsafe struct Matrix44 : IEquatable<Matrix44>, IMatrix<Matrix44>
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{
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[FieldOffset(2 * 64 * sizeof(float))] internal bool isTransposed;
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[FieldOffset(0)] internal ColumnSet4 mat;
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[FieldOffset(16 * sizeof(float))] internal ColumnSet4 transpose;
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[FieldOffset(0 * sizeof(float))] internal Vec4 colum0;
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[FieldOffset(4 * sizeof(float))] internal Vec4 colum1;
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[FieldOffset(8 * sizeof(float))] internal Vec4 colum2;
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[FieldOffset(12 * sizeof(float))] internal Vec4 colum3;
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internal Matrix44(ColumnSet4 mat)
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{
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Unsafe.SkipInit(out this);
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isTransposed = false;
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this.mat = mat;
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}
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internal Matrix44(Vector4 vec0, Vector4 vec1, Vector4 vec2, Vector4 vec3)
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{
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Unsafe.SkipInit(out this);
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isTransposed = false;
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mat.colum0 = vec0;
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mat.colum1 = vec1;
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mat.colum2 = vec2;
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mat.colum3 = vec3;
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}
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public Matrix44()
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{
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Unsafe.SkipInit(out this);
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isTransposed = false;
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}
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public unsafe Matrix44(
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float a00,
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float a01,
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float a02,
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float a03,
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float a10,
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float a11,
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float a12,
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float a13,
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float a20,
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float a21,
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float a22,
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float a23,
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float a30,
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float a31,
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float a32,
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float a33)
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{
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Unsafe.SkipInit(out this);
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isTransposed = false;
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mat.colum0 = new Vector4(a00, a10, a20, a30);
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mat.colum1 = new Vector4(a01, a11, a21, a31);
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mat.colum2 = new Vector4(a02, a12, a22, a32);
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mat.colum3 = new Vector4(a03, a13, a23, a33);
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}
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public unsafe float this[int rowNum, int columNum]
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{
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get
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{
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#if DEBUG
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if (rowNum is > 3 or < 0)
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{
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throw new ArgumentOutOfRangeException(nameof(columNum));
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}
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if (columNum is > 3 or < 0) {
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throw new ArgumentOutOfRangeException(nameof(columNum));
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}
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#endif
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InternalTranspose();
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fixed (float* p = &transpose.m00)
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{
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ulong pBit = (ulong)p + (ulong)sizeof(Vector4) * (ulong)rowNum + sizeof(float) * (ulong)columNum;
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return *(float*)pBit;
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}
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}
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set
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{
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#if DEBUG
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if (rowNum is > 3 or < 0)
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{
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throw new ArgumentOutOfRangeException(nameof(columNum));
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}
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if (columNum is > 3 or < 0) {
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throw new ArgumentOutOfRangeException(nameof(columNum));
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}
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#endif
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InternalTranspose();
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fixed (float* p = &transpose.m00)
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{
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ulong pbit = (ulong)p + (ulong)sizeof(Vector4) * (ulong)rowNum + sizeof(float) * (ulong)columNum;
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*(float*)pbit = value;
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}
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isTransposed = false;
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}
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}
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public Matrix44 Transpose
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{
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get
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{
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InternalTranspose();
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return new Matrix44(transpose);
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}
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}
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public static Matrix44 Unit => new Matrix44(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
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public static Matrix44 WNegativeUnit => new Matrix44(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1);
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public static Matrix44 XNegativeUnit => new Matrix44(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
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public static Matrix44 YNegativeUnit => new Matrix44(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
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public static Matrix44 ZNegativeUnit => new Matrix44(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public unsafe float Det()
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{
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return 0;
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}
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public override bool Equals(object? obj)
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{
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return obj is Matrix44 x && Equals(x);
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}
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public bool Equals(Matrix44 other)
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{
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return mat.Equals(other.mat);
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}
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public override int GetHashCode()
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{
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return HashCode.Combine(
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mat.colum0.GetHashCode(), mat.colum1.GetHashCode(), mat.colum2.GetHashCode(),
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mat.colum3.GetHashCode());
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}
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public override string ToString()
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{
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InternalTranspose();
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return $"{transpose.colum0}{transpose.colum1}{transpose.colum2}{transpose.colum3}";
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal unsafe void InternalTranspose()
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{
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if (!isTransposed)
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{
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fixed (ColumnSet4* source = &mat, target = &transpose)
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{
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InternalIO.Intrinsic.f32_transpose(source, target);
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// InternalIO.Intrinsic.transpose44(source, target);
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}
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isTransposed = true;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static unsafe Matrix44 operator -(Matrix44 left, Matrix44 right)
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{
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return new Matrix44(
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right.mat.colum0 - left.mat.colum0, right.mat.colum1 - left.mat.colum1,
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right.mat.colum2 - left.mat.colum2, right.mat.colum3 - left.mat.colum3);
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}
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public static bool operator !=(Matrix44 left, Matrix44 right)
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{
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return !(left == right);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static unsafe Matrix44 operator *(Matrix44 mat, float value)
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{
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return new Matrix44(
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mat.mat.colum0 * value, mat.mat.colum1 * value, mat.mat.colum2 * value,
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mat.mat.colum3 * value);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static Matrix44 operator *(Matrix44 left, Matrix44 right)
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{
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left.InternalTranspose();
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return new Matrix44(
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Vector4.Dot(left.transpose.colum0, right.mat.colum0),
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Vector4.Dot(left.transpose.colum0, right.mat.colum1),
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Vector4.Dot(left.transpose.colum0, right.mat.colum2),
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Vector4.Dot(left.transpose.colum0, right.mat.colum3),
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Vector4.Dot(left.transpose.colum1, right.mat.colum0),
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Vector4.Dot(left.transpose.colum1, right.mat.colum1),
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Vector4.Dot(left.transpose.colum1, right.mat.colum2),
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Vector4.Dot(left.transpose.colum1, right.mat.colum3),
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Vector4.Dot(left.transpose.colum2, right.mat.colum0),
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Vector4.Dot(left.transpose.colum2, right.mat.colum1),
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Vector4.Dot(left.transpose.colum2, right.mat.colum2),
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Vector4.Dot(left.transpose.colum2, right.mat.colum3),
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Vector4.Dot(left.transpose.colum3, right.mat.colum0),
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Vector4.Dot(left.transpose.colum3, right.mat.colum1),
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Vector4.Dot(left.transpose.colum3, right.mat.colum2),
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Vector4.Dot(left.transpose.colum3, right.mat.colum3));
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static unsafe Matrix44 operator +(Matrix44 left, Matrix44 right)
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{
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Matrix44 ret = new Matrix44();
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// InternalIO.Intrinsic.add_mat_4(&left.mat, &right.mat, &ret.mat);
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return ret;
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}
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public static bool operator ==(Matrix44 left, Matrix44 right)
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{
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return left.Equals(right);
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}
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}
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}
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