ET9_WebGL_Base/Unity/Assets/Scripts/Base/Math/VInt3.cs

using System;
using UnityEngine;

[Serializable]
public struct VInt3
{
    public const int Precision = 1000;

    public const float FloatPrecision = 1000f;

    public const float PrecisionFactor = 0.001f;

    public int x;

    public int y;

    public int z;

    public static readonly VInt3 zero = new VInt3(0, 0, 0);

    public static readonly VInt3 one = new VInt3(1000, 1000, 1000);

    public static readonly VInt3 half = new VInt3(500, 500, 500);

    public static readonly VInt3 forward = new VInt3(0, 0, 1000);

    public static readonly VInt3 up = new VInt3(0, 1000, 0);

    public static readonly VInt3 right = new VInt3(1000, 0, 0);

    public int this[int i]
    {
        get
        {
            return (i != 0) ? ((i != 1) ? this.z : this.y) : this.x;
        }
        set
        {
            if (i == 0)
            {
                this.x = value;
            }
            else if (i == 1)
            {
                this.y = value;
            }
            else
            {
                this.z = value;
            }
        }
    }

    public Vector3 vec3
    {
        get
        {
            return new Vector3((float)this.x * 0.001f, (float)this.y * 0.001f, (float)this.z * 0.001f);
        }
    }

    public VInt2 xz
    {
        get
        {
            return new VInt2(this.x, this.z);
        }
    }

    public int magnitude
    {
        get
        {
            long num = (long)this.x;
            long num2 = (long)this.y;
            long num3 = (long)this.z;
            return IntMath.Sqrt(num * num + num2 * num2 + num3 * num3);
        }
    }

    public int magnitude2D
    {
        get
        {
            long num = (long)this.x;
            long num2 = (long)this.z;
            return IntMath.Sqrt(num * num + num2 * num2);
        }
    }

    public int costMagnitude
    {
        get
        {
            return this.magnitude;
        }
    }

    public float worldMagnitude
    {
        get
        {
            double num = (double)this.x;
            double num2 = (double)this.y;
            double num3 = (double)this.z;
            return (float)Math.Sqrt(num * num + num2 * num2 + num3 * num3) * 0.001f;
        }
    }

    public double sqrMagnitude
    {
        get
        {
            double num = (double)this.x;
            double num2 = (double)this.y;
            double num3 = (double)this.z;
            return num * num + num2 * num2 + num3 * num3;
        }
    }

    public long sqrMagnitudeLong
    {
        get
        {
            long num = (long)this.x;
            long num2 = (long)this.y;
            long num3 = (long)this.z;
            return num * num + num2 * num2 + num3 * num3;
        }
    }

    public long sqrMagnitudeLong2D
    {
        get
        {
            long num = (long)this.x;
            long num2 = (long)this.z;
            return num * num + num2 * num2;
        }
    }

    public int unsafeSqrMagnitude
    {
        get
        {
            return this.x * this.x + this.y * this.y + this.z * this.z;
        }
    }

    public VInt3 abs
    {
        get
        {
            return new VInt3(Math.Abs(this.x), Math.Abs(this.y), Math.Abs(this.z));
        }
    }

    [Obsolete("Same implementation as .magnitude")]
    public float safeMagnitude
    {
        get
        {
            double num = (double)this.x;
            double num2 = (double)this.y;
            double num3 = (double)this.z;
            return (float)Math.Sqrt(num * num + num2 * num2 + num3 * num3);
        }
    }

    [Obsolete(".sqrMagnitude is now per default safe (.unsafeSqrMagnitude can be used for unsafe operations)")]
    public float safeSqrMagnitude
    {
        get
        {
            float num = (float)this.x * 0.001f;
            float num2 = (float)this.y * 0.001f;
            float num3 = (float)this.z * 0.001f;
            return num * num + num2 * num2 + num3 * num3;
        }
    }

    public VInt3(Vector3 position)
    {
        this.x = (int)Math.Round((double)(position.x * 1000f));
        this.y = (int)Math.Round((double)(position.y * 1000f));
        this.z = (int)Math.Round((double)(position.z * 1000f));
    }

    public VInt3(int _x, int _y, int _z)
    {
        this.x = _x;
        this.y = _y;
        this.z = _z;
    }

    public VInt3 DivBy2()
    {
        this.x >>= 1;
        this.y >>= 1;
        this.z >>= 1;
        return this;
    }

    public static float Angle(VInt3 lhs, VInt3 rhs)
    {
        double num = (double)VInt3.Dot(lhs, rhs) / ((double)lhs.magnitude * (double)rhs.magnitude);
        num = ((num >= -1.0) ? ((num <= 1.0) ? num : 1.0) : -1.0);
        return (float)Math.Acos(num);
    }

    public static VFactor AngleInt(VInt3 lhs, VInt3 rhs)
    {
        long den = (long)lhs.magnitude * (long)rhs.magnitude;
        return IntMath.acos((long)VInt3.Dot(ref lhs, ref rhs), den);
    }

    public static int Dot(ref VInt3 lhs, ref VInt3 rhs)
    {
        return lhs.x * rhs.x + lhs.y * rhs.y + lhs.z * rhs.z;
    }

    public static int Dot(VInt3 lhs, VInt3 rhs)
    {
        return lhs.x * rhs.x + lhs.y * rhs.y + lhs.z * rhs.z;
    }

    public static long DotLong(VInt3 lhs, VInt3 rhs)
    {
        return (long)lhs.x * (long)rhs.x + (long)lhs.y * (long)rhs.y + (long)lhs.z * (long)rhs.z;
    }

    public static long DotLong(ref VInt3 lhs, ref VInt3 rhs)
    {
        return (long)lhs.x * (long)rhs.x + (long)lhs.y * (long)rhs.y + (long)lhs.z * (long)rhs.z;
    }

    public static long DotXZLong(ref VInt3 lhs, ref VInt3 rhs)
    {
        return (long)lhs.x * (long)rhs.x + (long)lhs.z * (long)rhs.z;
    }

    public static long DotXZLong(VInt3 lhs, VInt3 rhs)
    {
        return (long)lhs.x * (long)rhs.x + (long)lhs.z * (long)rhs.z;
    }

    public static VInt3 Cross(ref VInt3 lhs, ref VInt3 rhs)
    {
        return new VInt3(IntMath.Divide(lhs.y * rhs.z - lhs.z * rhs.y, 1000), IntMath.Divide(lhs.z * rhs.x - lhs.x * rhs.z, 1000), IntMath.Divide(lhs.x * rhs.y - lhs.y * rhs.x, 1000));
    }

    public static VInt3 Cross(VInt3 lhs, VInt3 rhs)
    {
        return new VInt3(IntMath.Divide(lhs.y * rhs.z - lhs.z * rhs.y, 1000), IntMath.Divide(lhs.z * rhs.x - lhs.x * rhs.z, 1000), IntMath.Divide(lhs.x * rhs.y - lhs.y * rhs.x, 1000));
    }

    public static VInt3 MoveTowards(VInt3 from, VInt3 to, int dt)
    {
        if ((to - from).sqrMagnitudeLong <= (long)(dt * dt))
        {
            return to;
        }
        return from + (to - from).NormalizeTo(dt);
    }

    public VInt3 Normal2D()
    {
        return new VInt3(this.z, this.y, -this.x);
    }

    public VInt3 NormalizeTo(int newMagn)
    {
        long num = (long)(this.x * 100);
        long num2 = (long)(this.y * 100);
        long num3 = (long)(this.z * 100);
        long num4 = num * num + num2 * num2 + num3 * num3;
        if (num4 == 0L)
        {
            return this;
        }
        long b = (long)IntMath.Sqrt(num4);
        long num5 = (long)newMagn;
        this.x = (int)IntMath.Divide(num * num5, b);
        this.y = (int)IntMath.Divide(num2 * num5, b);
        this.z = (int)IntMath.Divide(num3 * num5, b);
        return this;
    }

    public long Normalize()
    {
        long num = (long)((long)this.x << 7);
        long num2 = (long)((long)this.y << 7);
        long num3 = (long)((long)this.z << 7);
        long num4 = num * num + num2 * num2 + num3 * num3;
        if (num4 == 0L)
        {
            return 0L;
        }
        long num5 = (long)IntMath.Sqrt(num4);
        long num6 = 1000L;
        this.x = (int)IntMath.Divide(num * num6, num5);
        this.y = (int)IntMath.Divide(num2 * num6, num5);
        this.z = (int)IntMath.Divide(num3 * num6, num5);
        return num5 >> 7;
    }

    public VInt3 RotateY(ref VFactor radians)
    {
        VFactor vFactor;
        VFactor vFactor2;
        IntMath.sincos(out vFactor, out vFactor2, radians.nom, radians.den);
        long num = vFactor2.nom * vFactor.den;
        long num2 = vFactor2.den * vFactor.nom;
        long b = vFactor2.den * vFactor.den;
        VInt3 vInt;
        vInt.x = (int)IntMath.Divide((long)this.x * num + (long)this.z * num2, b);
        vInt.z = (int)IntMath.Divide((long)(-(long)this.x) * num2 + (long)this.z * num, b);
        vInt.y = 0;
        return vInt.NormalizeTo(1000);
    }

    public VInt3 RotateY(int degree)
    {
        VFactor vFactor;
        VFactor vFactor2;
        IntMath.sincos(out vFactor, out vFactor2, (long)(31416 * degree), 1800000L);
        long num = vFactor2.nom * vFactor.den;
        long num2 = vFactor2.den * vFactor.nom;
        long b = vFactor2.den * vFactor.den;
        VInt3 vInt;
        vInt.x = (int)IntMath.Divide((long)this.x * num + (long)this.z * num2, b);
        vInt.z = (int)IntMath.Divide((long)(-(long)this.x) * num2 + (long)this.z * num, b);
        vInt.y = 0;
        return vInt.NormalizeTo(1000);
    }

    public override string ToString()
    {
        return string.Concat(new object[]
        {
            "( ",
            this.x,
            ", ",
            this.y,
            ", ",
            this.z,
            ")"
        });
    }

    public override bool Equals(object o)
    {
        if (o == null)
        {
            return false;
        }
        VInt3 vInt = (VInt3)o;
        return this.x == vInt.x && this.y == vInt.y && this.z == vInt.z;
    }

    public override int GetHashCode()
    {
        return this.x * 73856093 ^ this.y * 19349663 ^ this.z * 83492791;
    }

    public static VInt3 Lerp(VInt3 a, VInt3 b, float f)
    {
        return new VInt3(Mathf.RoundToInt((float)a.x * (1f - f)) + Mathf.RoundToInt((float)b.x * f), Mathf.RoundToInt((float)a.y * (1f - f)) + Mathf.RoundToInt((float)b.y * f), Mathf.RoundToInt((float)a.z * (1f - f)) + Mathf.RoundToInt((float)b.z * f));
    }

    public static VInt3 Lerp(VInt3 a, VInt3 b, VFactor f)
    {
        return new VInt3((int)IntMath.Divide((long)(b.x - a.x) * f.nom, f.den) + a.x, (int)IntMath.Divide((long)(b.y - a.y) * f.nom, f.den) + a.y, (int)IntMath.Divide((long)(b.z - a.z) * f.nom, f.den) + a.z);
    }

    public static VInt3 Lerp(VInt3 a, VInt3 b, int factorNom, int factorDen)
    {
        return new VInt3(IntMath.Divide((b.x - a.x) * factorNom, factorDen) + a.x, IntMath.Divide((b.y - a.y) * factorNom, factorDen) + a.y, IntMath.Divide((b.z - a.z) * factorNom, factorDen) + a.z);
    }

    public long XZSqrMagnitude(VInt3 rhs)
    {
        long num = (long)(this.x - rhs.x);
        long num2 = (long)(this.z - rhs.z);
        return num * num + num2 * num2;
    }

    public long XZSqrMagnitude(ref VInt3 rhs)
    {
        long num = (long)(this.x - rhs.x);
        long num2 = (long)(this.z - rhs.z);
        return num * num + num2 * num2;
    }

    public bool IsEqualXZ(VInt3 rhs)
    {
        return this.x == rhs.x && this.z == rhs.z;
    }

    public bool IsEqualXZ(ref VInt3 rhs)
    {
        return this.x == rhs.x && this.z == rhs.z;
    }

    public static bool operator ==(VInt3 lhs, VInt3 rhs)
    {
        return lhs.x == rhs.x && lhs.y == rhs.y && lhs.z == rhs.z;
    }

    public static bool operator !=(VInt3 lhs, VInt3 rhs)
    {
        return lhs.x != rhs.x || lhs.y != rhs.y || lhs.z != rhs.z;
    }

    public static explicit operator VInt3(Vector3 ob)
    {
        return new VInt3((int)Math.Round((double)(ob.x * 1000f)), (int)Math.Round((double)(ob.y * 1000f)), (int)Math.Round((double)(ob.z * 1000f)));
    }

    public static explicit operator Vector3(VInt3 ob)
    {
        return new Vector3((float)ob.x * 0.001f, (float)ob.y * 0.001f, (float)ob.z * 0.001f);
    }

    public static VInt3 operator -(VInt3 lhs, VInt3 rhs)
    {
        lhs.x -= rhs.x;
        lhs.y -= rhs.y;
        lhs.z -= rhs.z;
        return lhs;
    }

    public static VInt3 operator -(VInt3 lhs)
    {
        lhs.x = -lhs.x;
        lhs.y = -lhs.y;
        lhs.z = -lhs.z;
        return lhs;
    }

    public static VInt3 operator +(VInt3 lhs, VInt3 rhs)
    {
        lhs.x += rhs.x;
        lhs.y += rhs.y;
        lhs.z += rhs.z;
        return lhs;
    }

    public static VInt3 operator *(VInt3 lhs, int rhs)
    {
        lhs.x *= rhs;
        lhs.y *= rhs;
        lhs.z *= rhs;
        return lhs;
    }

    public static VInt3 operator *(VInt3 lhs, float rhs)
    {
        lhs.x = (int)Math.Round((double)((float)lhs.x * rhs));
        lhs.y = (int)Math.Round((double)((float)lhs.y * rhs));
        lhs.z = (int)Math.Round((double)((float)lhs.z * rhs));
        return lhs;
    }

    public static VInt3 operator *(VInt3 lhs, double rhs)
    {
        lhs.x = (int)Math.Round((double)lhs.x * rhs);
        lhs.y = (int)Math.Round((double)lhs.y * rhs);
        lhs.z = (int)Math.Round((double)lhs.z * rhs);
        return lhs;
    }

    public static VInt3 operator *(VInt3 lhs, Vector3 rhs)
    {
        lhs.x = (int)Math.Round((double)((float)lhs.x * rhs.x));
        lhs.y = (int)Math.Round((double)((float)lhs.y * rhs.y));
        lhs.z = (int)Math.Round((double)((float)lhs.z * rhs.z));
        return lhs;
    }

    public static VInt3 operator *(VInt3 lhs, VInt3 rhs)
    {
        lhs.x *= rhs.x;
        lhs.y *= rhs.y;
        lhs.z *= rhs.z;
        return lhs;
    }

    public static VInt3 operator /(VInt3 lhs, float rhs)
    {
        lhs.x = (int)Math.Round((double)((float)lhs.x / rhs));
        lhs.y = (int)Math.Round((double)((float)lhs.y / rhs));
        lhs.z = (int)Math.Round((double)((float)lhs.z / rhs));
        return lhs;
    }

    public static implicit operator string(VInt3 ob)
    {
        return ob.ToString();
    }
}