132 lines
4.1 KiB
C#
132 lines
4.1 KiB
C#
/*
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* Copyright (c) 2019 Made With Monster Love (Pty) Ltd
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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
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is 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
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* in all 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
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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using System;
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using System.Collections.Generic;
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// Warning!
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// This is somewhat fragile Event pattern implementation. Recommended they aren't used outside of the state machine
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//
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namespace MonsterLove.StateMachine
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{
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public class StateEvent
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{
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private Func<int> getStateInt;
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private Func<bool> isInvokeAllowed;
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private Action[] routingTable;
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public StateEvent(Func<bool> isInvokeAllowed, Func<int> stateProvider, int capacity)
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{
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this.isInvokeAllowed = isInvokeAllowed;
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this.getStateInt = stateProvider;
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routingTable = new Action[capacity];
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}
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internal void AddListener(int stateInt, Action listener)
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{
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routingTable[stateInt] = listener;
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}
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public void Invoke()
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{
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if (isInvokeAllowed != null && !isInvokeAllowed())
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{
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return;
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}
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Action call = routingTable[getStateInt()];
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if (call != null)
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{
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call();
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return;
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}
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}
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}
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public class StateEvent<T>
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{
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private Func<int> getStateInt;
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private Func<bool> isInvokeAllowed;
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private Action<T>[] routingTable;
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public StateEvent(Func<bool> isInvokeAllowed, Func<int> stateProvider, int capacity)
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{
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this.isInvokeAllowed = isInvokeAllowed;
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this.getStateInt = stateProvider;
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routingTable = new Action<T>[capacity];
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}
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internal void AddListener(int stateInt, Action<T> listener)
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{
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routingTable[stateInt] = listener;
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}
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public void Invoke(T param)
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{
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if (isInvokeAllowed != null && !isInvokeAllowed())
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{
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return;
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}
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Action<T> call = routingTable[getStateInt()];
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if (call != null)
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{
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call(param);
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return;
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}
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}
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}
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public class StateEvent<T1, T2>
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{
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private Func<int> getStateInt;
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private Func<bool> isInvokeAllowed;
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private Action<T1,T2>[] routingTable;
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public StateEvent(Func<bool> isInvokeAllowed, Func<int> stateProvider, int capacity)
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{
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this.isInvokeAllowed = isInvokeAllowed;
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this.getStateInt = stateProvider;
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routingTable = new Action<T1, T2>[capacity];
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}
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internal void AddListener(int stateInt, Action<T1, T2> listener)
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{
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routingTable[stateInt] = listener;
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}
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public void Invoke(T1 param1, T2 param2)
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{
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if (isInvokeAllowed != null && !isInvokeAllowed())
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{
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return;
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}
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Action<T1, T2> call = routingTable[getStateInt()];
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if (call != null)
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{
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call(param1, param2);
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return;
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}
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}
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}
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} |