147 lines
4.7 KiB
C#
147 lines
4.7 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="TimeFunction"
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// Project: StgSharp
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// AuthorGroup: Nitload
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// Copyright (c) Nitload. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace StgSharp.Timing
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{
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public class TimeFunction
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{
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private float _beginning, _ending;
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private Func<float, float> _timeRelatedCalculation;
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private TimeSpanProvider _timeProvider;
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internal TimeFunction() { }
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public TimeFunction(TimeSpanProvider timeSpanProvider, Func<float, float> timeRelatedCalculation, float range)
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{
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_timeProvider = timeSpanProvider;
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_timeRelatedCalculation = timeRelatedCalculation;
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if (timeSpanProvider == null) {
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return;
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}
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_beginning = _timeProvider.CurrentSecond;
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_ending = _timeProvider.CurrentSecond + range;
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}
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public virtual bool IsComplete
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{
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get => _timeProvider.CurrentSecond > _ending;
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}
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public Func<float, float> TimeRelatedCalculation
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{
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get { return _timeRelatedCalculation; }
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set { _timeRelatedCalculation = value; }
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}
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public static TimeFunction One
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{
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get => new TimeFunctionOne();
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}
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public TimeSpanProvider TimeSpanProvider
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{
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get { return _timeProvider; }
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set { _timeProvider = value; }
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}
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public virtual float Calculate()
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{
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if (_timeProvider.CurrentSecond < _ending) {
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return 0;
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}
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return _timeRelatedCalculation(_timeProvider.CurrentSecond - _beginning);
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}
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public static TimeFunction Proportional(TimeSpanProvider time, float begin, float range)
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{
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return new TimeFunction(time, (float t) => t + begin, range);
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}
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public virtual TimeFunction Renew((Func<float, float> func, float range) funcPair)
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{
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return new TimeFunction(_timeProvider, funcPair.func, funcPair.range);
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}
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public virtual TimeFunction Renew(Func<float, float> func, float range)
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{
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return new TimeFunction(_timeProvider, func, range);
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}
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public void Reset()
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{
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float range = _ending - _beginning;
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_beginning = _timeProvider.CurrentSecond;
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_ending = _beginning + range;
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}
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public virtual TimeFunction Reverse()
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{
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float range = _ending - _beginning;
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return new TimeFunction(
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_timeProvider, p => _timeRelatedCalculation(range - p), range);
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}
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}
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public sealed class TimeFunctionOne : TimeFunction
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{
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internal TimeFunctionOne() : base() { }
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public override bool IsComplete
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{
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get => true;
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}
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public override float Calculate()
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{
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return 1;
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}
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public override TimeFunction Renew((Func<float, float> func, float range) funcPair)
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{
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throw new NotSupportedException();
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}
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public override TimeFunction Renew(Func<float, float> func, float range)
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{
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throw new NotSupportedException();
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}
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#pragma warning disable CA1822
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public new void Reset()
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#pragma warning restore CA1822
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{ }
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}
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}
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