126 lines
3.7 KiB
C#
126 lines
3.7 KiB
C#
using StgSharp;
|
|
using StgSharp.Math;
|
|
using System;
|
|
using System.Numerics;
|
|
using System.Runtime.CompilerServices;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace StgSharp
|
|
{
|
|
internal static unsafe partial class internalIO
|
|
{
|
|
|
|
#region transpose
|
|
|
|
[DllImport(SSGC_libname, EntryPoint = "transpose4to4",
|
|
CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern unsafe void Transpose4to4_internal(Mat4* source, Mat4* target);
|
|
|
|
[DllImport(SSGC_libname, EntryPoint = "transpose4to3",
|
|
CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern unsafe void Transpose4to3_internal(Mat4* source, Mat3* target);
|
|
|
|
[DllImport(SSGC_libname, EntryPoint = "transpose4to2",
|
|
CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern unsafe void Transpose4to2_internal(Mat4* source, Mat2* target);
|
|
|
|
|
|
#endregion
|
|
|
|
#region det
|
|
|
|
[DllImport(SSGC_libname, EntryPoint = "det_mat4",
|
|
CallingConvention = CallingConvention.Cdecl)]
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
internal static unsafe extern float det_mat4(Mat4* matPtr, Mat4* transpose);
|
|
|
|
#endregion
|
|
|
|
#region deinit_mat4
|
|
|
|
|
|
[DllImport(SSGC_libname, EntryPoint = "deinit_mat4",
|
|
CallingConvention = CallingConvention.Cdecl)]
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
internal static extern void deinit_mat4(Mat4* mat);
|
|
|
|
#endregion
|
|
|
|
|
|
|
|
}
|
|
}
|
|
namespace StgSharp.Math
|
|
{
|
|
|
|
|
|
[StructLayout(LayoutKind.Explicit, Size = 16 * sizeof(float))]
|
|
internal struct Mat4 : IEquatable<Mat4>
|
|
{
|
|
[FieldOffset(0)] internal Vector4 colum0;
|
|
[FieldOffset(16)] internal Vector4 colum1;
|
|
[FieldOffset(32)] internal Vector4 colum2;
|
|
[FieldOffset(48)] internal Vector4 colum3;
|
|
|
|
[FieldOffset(0)] public float m00;
|
|
[FieldOffset(4)] public float m10;
|
|
[FieldOffset(8)] public float m20;
|
|
[FieldOffset(12)] public float m30;
|
|
|
|
[FieldOffset(16)] public float m01;
|
|
[FieldOffset(20)] public float m11;
|
|
[FieldOffset(24)] public float m21;
|
|
[FieldOffset(28)] public float m31;
|
|
|
|
[FieldOffset(32)] public float m02;
|
|
[FieldOffset(36)] public float m12;
|
|
[FieldOffset(40)] public float m22;
|
|
[FieldOffset(44)] public float m32;
|
|
|
|
[FieldOffset(48)] public float m03;
|
|
[FieldOffset(52)] public float m13;
|
|
[FieldOffset(56)] public float m23;
|
|
[FieldOffset(60)] public float m33;
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
internal Mat4(
|
|
Vector4 colum0,
|
|
Vector4 colum1,
|
|
Vector4 colum2,
|
|
Vector4 colum3
|
|
)
|
|
{
|
|
this.colum0 = colum0;
|
|
this.colum1 = colum1;
|
|
this.colum2 = colum2;
|
|
this.colum3 = colum3;
|
|
}
|
|
|
|
public override bool Equals(object? obj)
|
|
{
|
|
return obj is Mat4 mat && Equals(mat);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public bool Equals(Mat4 other)
|
|
{
|
|
return colum0.Equals(other.colum0) &&
|
|
colum1.Equals(other.colum1) &&
|
|
colum2.Equals(other.colum2) &&
|
|
colum3.Equals(other.colum3);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool operator ==(Mat4 left, Mat4 right)
|
|
{
|
|
return left.Equals(right);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public static bool operator !=(Mat4 left, Mat4 right)
|
|
{
|
|
return !(left == right);
|
|
}
|
|
}
|
|
}
|