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