Files
OpenRA/OpenRA.Game/Primitives/int2.cs

91 lines
3.2 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see COPYING.
*/
#endregion
using System;
using System.Diagnostics.CodeAnalysis;
using System.Drawing;
namespace OpenRA
{
[SuppressMessage("StyleCop.CSharp.NamingRules", "SA1300:ElementMustBeginWithUpperCaseLetter", Justification = "Mimic a built-in type alias.")]
public struct int2 : IEquatable<int2>
{
public readonly int X, Y;
public int2(int x, int y) { X = x; Y = y; }
public int2(Point p) { X = p.X; Y = p.Y; }
public int2(Size p) { X = p.Width; Y = p.Height; }
public static int2 operator +(int2 a, int2 b) { return new int2(a.X + b.X, a.Y + b.Y); }
public static int2 operator -(int2 a, int2 b) { return new int2(a.X - b.X, a.Y - b.Y); }
public static int2 operator *(int a, int2 b) { return new int2(a * b.X, a * b.Y); }
public static int2 operator *(int2 b, int a) { return new int2(a * b.X, a * b.Y); }
public static int2 operator /(int2 a, int b) { return new int2(a.X / b, a.Y / b); }
public static int2 operator -(int2 a) { return new int2(-a.X, -a.Y); }
public static bool operator ==(int2 me, int2 other) { return me.X == other.X && me.Y == other.Y; }
public static bool operator !=(int2 me, int2 other) { return !(me == other); }
public override int GetHashCode() { return X.GetHashCode() ^ Y.GetHashCode(); }
public bool Equals(int2 other) { return this == other; }
public override bool Equals(object obj) { return obj is int2 && Equals((int2)obj); }
public override string ToString() { return X + "," + Y; }
public int2 Sign() { return new int2(Math.Sign(X), Math.Sign(Y)); }
public int2 Abs() { return new int2(Math.Abs(X), Math.Abs(Y)); }
public int LengthSquared { get { return X * X + Y * Y; } }
public int Length { get { return Exts.ISqrt(LengthSquared); } }
public int2 WithX(int newX)
{
return new int2(newX, Y);
}
public int2 WithY(int newY)
{
return new int2(X, newY);
}
public static int2 Max(int2 a, int2 b) { return new int2(Math.Max(a.X, b.X), Math.Max(a.Y, b.Y)); }
public static int2 Min(int2 a, int2 b) { return new int2(Math.Min(a.X, b.X), Math.Min(a.Y, b.Y)); }
public static readonly int2 Zero = new int2(0, 0);
public Point ToPoint() { return new Point(X, Y); }
public PointF ToPointF() { return new PointF(X, Y); }
public float2 ToFloat2() { return new float2(X, Y); }
// Change endianness of a uint32
public static uint Swap(uint orig)
{
return ((orig & 0xff000000) >> 24) | ((orig & 0x00ff0000) >> 8) | ((orig & 0x0000ff00) << 8) | ((orig & 0x000000ff) << 24);
}
public static int Lerp(int a, int b, int mul, int div)
{
return a + (b - a) * mul / div;
}
public static int2 Lerp(int2 a, int2 b, int mul, int div)
{
return a + (b - a) * mul / div;
}
public int2 Clamp(Rectangle r)
{
return new int2(Math.Min(r.Right, Math.Max(X, r.Left)),
Math.Min(r.Bottom, Math.Max(Y, r.Top)));
}
public static int Dot(int2 a, int2 b) { return a.X * b.X + a.Y * b.Y; }
}
}