73 lines
2.3 KiB
C#
73 lines
2.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Drawing;
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namespace OpenRA
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{
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/// <summary>
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/// Sub-pixel coordinate position in the world (very fine).
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/// </summary>
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public struct PSubPos
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{
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public readonly int X, Y;
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public PSubPos(int x, int y) { X = x; Y = y; }
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public const int PerPx = 1024;
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public static readonly PSubPos Zero = new PSubPos(0, 0);
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public static explicit operator PSubPos(int2 a) { return new PSubPos(a.X, a.Y); }
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public static explicit operator PSubVec(PSubPos a) { return new PSubVec(a.X, a.Y); }
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public static PSubPos operator +(PSubPos a, PSubVec b) { return new PSubPos(a.X + b.X, a.Y + b.Y); }
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public static PSubVec operator -(PSubPos a, PSubPos b) { return new PSubVec(a.X - b.X, a.Y - b.Y); }
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public static PSubPos operator -(PSubPos a, PSubVec b) { return new PSubPos(a.X - b.X, a.Y - b.Y); }
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public static bool operator ==(PSubPos me, PSubPos other) { return (me.X == other.X && me.Y == other.Y); }
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public static bool operator !=(PSubPos me, PSubPos other) { return !(me == other); }
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public static PSubPos Max(PSubPos a, PSubPos b) { return new PSubPos(Math.Max(a.X, b.X), Math.Max(a.Y, b.Y)); }
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public static PSubPos Min(PSubPos a, PSubPos b) { return new PSubPos(Math.Min(a.X, b.X), Math.Min(a.Y, b.Y)); }
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public static PSubPos Lerp(PSubPos a, PSubPos b, int mul, int div)
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{
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return a + ((PSubVec)(b - a) * mul / div);
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}
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public float2 ToFloat2() { return new float2(X, Y); }
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public int2 ToInt2() { return new int2(X, Y); }
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public PPos ToPPos() { return new PPos(X / PerPx, Y / PerPx); }
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public CPos ToCPos() { return ToPPos().ToCPos(); }
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public PSubPos Clamp(Rectangle r)
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{
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return new PSubPos(Math.Min(r.Right, Math.Max(X, r.Left)),
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Math.Min(r.Bottom, Math.Max(Y, r.Top)));
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}
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public override int GetHashCode() { return X.GetHashCode() ^ Y.GetHashCode(); }
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public override bool Equals(object obj)
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{
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if (obj == null)
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return false;
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PSubPos o = (PSubPos)obj;
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return o == this;
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}
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public override string ToString() { return "{0},{1}".F(X, Y); }
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}
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}
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