41 lines
1.3 KiB
C#
41 lines
1.3 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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namespace OpenRA.Mods.Cnc
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{
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public static class Util
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{
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public static int ClassicQuantizeFacing(int facing, int numFrames, bool useClassicFacingFudge)
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{
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if (!useClassicFacingFudge || numFrames != 32)
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return OpenRA.Mods.Common.Util.QuantizeFacing(facing, numFrames);
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// TD and RA divided the facing artwork into 3 frames from (north|south) to (north|south)-(east|west)
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// and then 5 frames from (north|south)-(east|west) to (east|west)
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var quadrant = ((facing + 31) & 0xFF) / 64;
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if (quadrant == 0 || quadrant == 2)
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{
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var frame = OpenRA.Mods.Common.Util.QuantizeFacing(facing, 24);
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if (frame > 18)
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return frame + 6;
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if (frame > 4)
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return frame + 3;
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return frame;
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}
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else
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{
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var frame = OpenRA.Mods.Common.Util.QuantizeFacing(facing, 40);
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return frame < 20 ? frame - 3 : frame - 8;
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}
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}
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}
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}
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