84 lines
2.1 KiB
C#
84 lines
2.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 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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using System;
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using OpenRA.Primitives;
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namespace OpenRA.Platforms.Default
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{
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static class MultiTapDetection
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{
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static Cache<Keycode, TapHistory> keyHistoryCache =
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new Cache<Keycode, TapHistory>(_ => new TapHistory(DateTime.Now - TimeSpan.FromSeconds(1)));
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static Cache<byte, TapHistory> clickHistoryCache =
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new Cache<byte, TapHistory>(_ => new TapHistory(DateTime.Now - TimeSpan.FromSeconds(1)));
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public static int DetectFromMouse(byte button, int2 xy)
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{
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return clickHistoryCache[button].GetTapCount(xy);
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}
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public static int InfoFromMouse(byte button)
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{
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return clickHistoryCache[button].LastTapCount();
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}
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public static int DetectFromKeyboard(Keycode key)
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{
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return keyHistoryCache[key].GetTapCount(int2.Zero);
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}
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public static int InfoFromKeyboard(Keycode key)
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{
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return keyHistoryCache[key].LastTapCount();
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}
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}
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class TapHistory
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{
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public Pair<DateTime, int2> FirstRelease, SecondRelease, ThirdRelease;
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public TapHistory(DateTime now)
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{
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FirstRelease = SecondRelease = ThirdRelease = Pair.New(now, int2.Zero);
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}
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static bool CloseEnough(Pair<DateTime, int2> a, Pair<DateTime, int2> b)
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{
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return a.First - b.First < TimeSpan.FromMilliseconds(250)
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&& (a.Second - b.Second).Length < 4;
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}
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public int GetTapCount(int2 xy)
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{
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FirstRelease = SecondRelease;
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SecondRelease = ThirdRelease;
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ThirdRelease = Pair.New(DateTime.Now, xy);
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if (!CloseEnough(ThirdRelease, SecondRelease))
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return 1;
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if (!CloseEnough(SecondRelease, FirstRelease))
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return 2;
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return 3;
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}
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public int LastTapCount()
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{
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if (!CloseEnough(ThirdRelease, SecondRelease))
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return 1;
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if (!CloseEnough(SecondRelease, FirstRelease))
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return 2;
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return 3;
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}
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}
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} |