epic/OpenRA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge FileFormats dll into Game and reorganise namespaces.

Browse Source
This commit is contained in:
Paul Chote
2014-04-16 23:19:24 +12:00
parent 5a698d612f
commit 4935266945
246 changed files with 423 additions and 922 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
OpenRA.Game/WRot.cs Normal file
View File

@@ -0,0 +1,103 @@
#region Copyright & License Information
/*
* Copyright 2007-2013 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
namespace OpenRA
{
/// <summary>
/// 3d World rotation.
/// </summary>
public struct WRot
{
public readonly WAngle Roll, Pitch, Yaw;
public WRot(WAngle roll, WAngle pitch, WAngle yaw) { Roll = roll; Pitch = pitch; Yaw = yaw; }
public static readonly WRot Zero = new WRot(WAngle.Zero, WAngle.Zero, WAngle.Zero);
public static WRot FromFacing(int facing) { return new WRot(WAngle.Zero, WAngle.Zero, WAngle.FromFacing(facing)); }
public static WRot FromYaw(WAngle yaw) { return new WRot(WAngle.Zero, WAngle.Zero, yaw); }
public static WRot operator +(WRot a, WRot b) { return new WRot(a.Roll + b.Roll, a.Pitch + b.Pitch, a.Yaw + b.Yaw); }
public static WRot operator -(WRot a, WRot b) { return new WRot(a.Roll - b.Roll, a.Pitch - b.Pitch, a.Yaw - b.Yaw); }
public static WRot operator -(WRot a) { return new WRot(-a.Roll, -a.Pitch, -a.Yaw); }
public static bool operator ==(WRot me, WRot other) { return (me.Roll == other.Roll &&
me.Pitch == other.Pitch && me.Yaw == other.Yaw); }
public static bool operator !=(WRot me, WRot other) { return !(me == other); }
public WRot WithYaw(WAngle yaw)
{
return new WRot(Roll, Pitch, yaw);
}
public int[] AsQuarternion()
{
// Angles increase clockwise
var r = new WAngle(-Roll.Angle / 2);
var p = new WAngle(-Pitch.Angle / 2);
var y = new WAngle(-Yaw.Angle / 2);
var cr = (long)r.Cos();
var sr = (long)r.Sin();
var cp = (long)p.Cos();
var sp = (long)p.Sin();
var cy = (long)y.Cos();
var sy = (long)y.Sin();
// Normalized to 1024 == 1.0
return new int[4]
{
(int)((sr*cp*cy - cr*sp*sy) / 1048576), // x
(int)((cr*sp*cy + sr*cp*sy) / 1048576), // y
(int)((cr*cp*sy - sr*sp*cy) / 1048576), // z
(int)((cr*cp*cy + sr*sp*sy) / 1048576) // w
};
}
public int[] AsMatrix()
{
var q = AsQuarternion();
// Theoretically 1024**2, but may differ slightly due to rounding
var lsq = q[0]*q[0] + q[1]*q[1] + q[2]*q[2] + q[3]*q[3];
// Quarternion components use 10 bits, so there's no risk of overflow
var mtx = new int[16];
mtx[0] = lsq - 2*(q[1]*q[1] + q[2]*q[2]);
mtx[1] = 2*(q[0]*q[1] + q[2]*q[3]);
mtx[2] = 2*(q[0]*q[2] - q[1]*q[3]);
mtx[3] = 0;
mtx[4] = 2*(q[0]*q[1] - q[2]*q[3]);
mtx[5] = lsq - 2*(q[0]*q[0] + q[2]*q[2]);
mtx[6] = 2*(q[1]*q[2] + q[0]*q[3]);
mtx[7] = 0;
mtx[8] = 2*(q[0]*q[2] + q[1]*q[3]);
mtx[9] = 2*(q[1]*q[2] - q[0]*q[3]);
mtx[10] = lsq - 2*(q[0]*q[0] + q[1]*q[1]);
mtx[11] = 0;
mtx[12] = 0;
mtx[13] = 0;
mtx[14] = 0;
mtx[15] = lsq;
return mtx;
}
public override int GetHashCode() { return Roll.GetHashCode() ^ Pitch.GetHashCode() ^ Yaw.GetHashCode(); }
public override bool Equals(object obj)
{
var o = obj as WRot?;
return o != null && o == this;
}
public override string ToString() { return "{0},{1},{2}".F(Roll, Pitch, Yaw); }
}
}