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add Chain Of Responsibility pattern example
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‎Assembly-CSharp.csproj

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<ItemGroup>
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<Compile Include="Assets\Behavioral Patterns\Chain of Responsibility Pattern\Example1\ChainOfResponsibilityExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Chain of Responsibility Pattern\Example2\ChainOfResponsibilityExample2.cs" />
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<Compile Include="Assets\Behavioral Patterns\Chain of Responsibility Pattern\Structure\ChainOfResponsibilityStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example1\CommandExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\DeviceButton.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\ICommand.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\IElectronicDevice.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\Radio.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\TVRemove.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\Television.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\TestCommandPattern.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\TurnItAllOff.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\TurnTVOff.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\TurnTVOn.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\TurnVolumeDown.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example2\TurnVolumeUp.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example3\Command.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example3\InputHandler.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example3\MoveCommand.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Example3\MoveCommandReceiver.cs" />
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<Compile Include="Assets\Behavioral Patterns\Command Pattern\Structure\CommandStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Interpreter Pattern\Example1\InterpreterExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Interpreter Pattern\Structure\InterpreterStructrue.cs" />
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<Compile Include="Assets\Behavioral Patterns\Iterator Pattern\Example1\IteratorExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Iterator Pattern\Structure\IteratorStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Mediator Pattern\Example1\MediatorExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Mediator Pattern\Structure\MediatorStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Memento Pattern\Example1\MementoExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Memento Pattern\Structure\MementoStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Observer Pattern\Example1\ObserverExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Observer Pattern\Structure\ObserverStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple1\StateExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple2\StateExmaple2.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple3\ATMMachine.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple3\ATMState.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple3\HasCard.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple3\HasPin.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple3\NoCard.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple3\NoCash.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple3\TestATMMachine.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple4\DrivingState.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple4\DuckingState.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple4\Heroine.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple4\HeroineBaseState.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple4\JumpingState.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple4\StandingState.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Exmaple4\TestHeroine.cs" />
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<Compile Include="Assets\Behavioral Patterns\State Pattern\Structure\StateStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Strategy Pattern\Exmaple1\StrategyPatternExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Strategy Pattern\Structure\StrategyStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Template Method Pattern\Exmaple1\TemplateMethodPatternExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Template Method Pattern\Structure\TemplateMethodStructure.cs" />
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<Compile Include="Assets\Behavioral Patterns\Visitor Pattern\Exmaple1\VisitorPatternExample1.cs" />
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<Compile Include="Assets\Behavioral Patterns\Visitor Pattern\Structure\VisitorStructure.cs" />
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<Compile Include="Assets\Creational Patterns\Abstract Factory Pattern\Example1\AbstractFactoryPatternExample1.cs" />
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<Compile Include="Assets\Creational Patterns\Abstract Factory Pattern\Structure\AbstractFactoryStructrue.cs" />
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<Compile Include="Assets\Creational Patterns\Builder Pattern\Example1\BuilderPatternExample1.cs" />
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<Compile Include="Assets\Creational Patterns\Builder Pattern\Structure\BuilderStructure.cs" />
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<Compile Include="Assets\Creational Patterns\Factory Method Pattern\Example1\FactoryMethodPatternExample1.cs" />
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<Compile Include="Assets\Creational Patterns\Factory Method Pattern\Structure\FactoryMethodStructure.cs" />
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<Compile Include="Assets\Creational Patterns\Prototype Pattern\Example1\PrototypePatternExample1.cs" />
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<Compile Include="Assets\Creational Patterns\Prototype Pattern\Structure\PrototypeStructure.cs" />
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<Compile Include="Assets\Creational Patterns\Singleton Pattern\Example1\SingletonPatternExample1.cs" />
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<Compile Include="Assets\Creational Patterns\Singleton Pattern\Structure\SingletonStructure.cs" />
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<Compile Include="Assets\Game Programming Patterns\SubclassSandbox Pattern\example\FlashSpeed.cs" />
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<Compile Include="Assets\Game Programming Patterns\SubclassSandbox Pattern\example\GroundDive.cs" />
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<Compile Include="Assets\Game Programming Patterns\SubclassSandbox Pattern\example\SkyLaunch.cs" />
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<Compile Include="Assets\Game Programming Patterns\SubclassSandbox Pattern\example\TestSubclassSandbox.cs" />
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<Compile Include="Assets\Structural Patterns\Adapter Pattern\Exmaple1\AdapterPatternExample1.cs" />
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<Compile Include="Assets\Structural Patterns\Adapter Pattern\Structure\AdapterStructure.cs" />
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<Compile Include="Assets\Structural Patterns\Bridge Pattern\Exmaple1\BridgePatternExample1.cs" />
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<Compile Include="Assets\Structural Patterns\Bridge Pattern\Structure\BridgeStructure.cs" />
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<Compile Include="Assets\Structural Patterns\Composite Pattern\Exmaple1\CompositePatternExample1.cs" />
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<Compile Include="Assets\Structural Patterns\Decorator Pattern\Exmaple1\DecoratorPatternExample1.cs" />
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<Compile Include="Assets\Structural Patterns\Decorator Pattern\Structure\DecoratorStructure.cs" />
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<Compile Include="Assets\Structural Patterns\Facade Pattern\Exmaple1\FacadePatternExample1.cs" />
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<Compile Include="Assets\Structural Patterns\Facade Pattern\Structure\FacadeStructure.cs" />
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<Compile Include="Assets\Structural Patterns\Flyweight Pattern\Exmaple1\FlyweightPatternExample1.cs" />
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<Compile Include="Assets\Structural Patterns\Flyweight Pattern\Structure\FlyweightStructure.cs" />
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<Compile Include="Assets\Structural Patterns\Proxy Pattern\Exmaple1\ProxyPatternExample1.cs" />
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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</Project>

‎Assets/Behavioral Patterns/Chain of Responsibility Pattern/Example2.meta

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‎Assets/Behavioral Patterns/Chain of Responsibility Pattern/Example2/ChainOfResponsibilityExample2.cs

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//-------------------------------------------------------------------------------------
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// ChainOfResponsibilityExample2.cs
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//-------------------------------------------------------------------------------------
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using UnityEngine;
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using System.Collections;
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public class ChainOfResponsibilityExample2 : MonoBehaviour
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{
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void Start ( )
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{
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// create calculation objects that get chained to each other in a sec
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Chain calc1 = new AddNumbers();
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Chain calc2 = new SubstractNumbers();
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Chain calc3 = new DivideNumbers();
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Chain calc4 = new MultiplyNumbers();
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// now chain them to each other
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calc1.SetNextChain(calc2);
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calc2.SetNextChain(calc3);
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calc3.SetNextChain(calc4);
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// this is the request that will be passed to a chain object to let them figure out which calculation objects it the right for the request
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// the request is here the CalculationType enum we add. so we want this pair of numbers to be added
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Numbers myNumbers = new Numbers(3, 5, CalculationType.Add);
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calc1.Calculate(myNumbers);
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// another example:
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Numbers myOtherNumbers = new Numbers(6, 2, CalculationType.Multiply);
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calc1.Calculate(myOtherNumbers);
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// or pass it to some chain object inbetween which will not work in this case:
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Numbers myLastNumbers = new Numbers(12, 3, CalculationType.Substract);
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calc3.Calculate(myLastNumbers);
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}
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// just defining some types of calculation we want to implement
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// it is better than passing string values as requests because you don't risk any typos that way :)
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public enum CalculationType
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{
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Add,
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Substract,
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Divide,
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Multiply
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};
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// We use this object as an example object to be passed to the calculation chain ;-)
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// to figure out what we want to do with it (which is stored in CalculationType/calculationWanted)
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public class Numbers
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{
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// some numbers:
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public int number1 { get; protected set; }
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public int number2 { get; protected set; }
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// here we store in this object what we want to do with it to let the chain figure out who is responsible for it ;-)
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public CalculationType calculationWanted { get; protected set; }
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// constructor:
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public Numbers(int num1, int num2, CalculationType calcWanted)
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{
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this.number1 = num1;
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this.number2 = num2;
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this.calculationWanted = calcWanted;
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}
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}
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// doesn't need to be called chain of course ;-)
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public interface Chain
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{
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void SetNextChain(Chain nextChain); // to be called when calulcation fails
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void Calculate(Numbers numbers); // try to calculate
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}
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public class AddNumbers : Chain
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{
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// each chain object stored a private nextInChain object, that gets called when the method calculate fails
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protected Chain nextInChain;
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public void SetNextChain(Chain nextChain)
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{
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this.nextInChain = nextChain;
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}
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public void Calculate(Numbers request)
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{
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if(request.calculationWanted == CalculationType.Add)
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{
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Debug.Log("Adding: " + request.number1 + " + " + request.number2 + " = " + (request.number1 + request.number2).ToString());
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}
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else if(nextInChain != null)
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nextInChain.Calculate(request);
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else
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Debug.Log ("Handling of request failed: " + request.calculationWanted);
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}
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}
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public class SubstractNumbers : Chain
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{
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protected Chain nextInChain;
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public void SetNextChain(Chain nextChain)
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{
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this.nextInChain = nextChain;
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}
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public void Calculate(Numbers request)
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{
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if(request.calculationWanted == CalculationType.Substract)
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{
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Debug.Log("Substracting: " + request.number1 + " - " + request.number2 + " = " + (request.number1 - request.number2).ToString());
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}
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else if(nextInChain != null)
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nextInChain.Calculate(request);
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else
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Debug.Log ("Handling of request failed: " + request.calculationWanted);
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}
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}
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public class DivideNumbers : Chain
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{
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protected Chain nextInChain;
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public void SetNextChain(Chain nextChain)
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{
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this.nextInChain = nextChain;
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}
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public void Calculate(Numbers request)
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{
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if(request.calculationWanted == CalculationType.Divide)
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{
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Debug.Log("Dividing: " + request.number1 + " / " + request.number2 + " = " + (request.number1 / request.number2).ToString());
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}
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else if(nextInChain != null)
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nextInChain.Calculate(request);
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else
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Debug.Log ("Handling of request failed: " + request.calculationWanted);
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}
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}
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public class MultiplyNumbers : Chain
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{
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protected Chain nextInChain;
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public void SetNextChain(Chain nextChain)
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{
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this.nextInChain = nextChain;
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}
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public void Calculate(Numbers request)
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{
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if(request.calculationWanted == CalculationType.Multiply)
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{
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Debug.Log("Multiplying: " + request.number1 + " * " + request.number2 + " = " + (request.number1 * request.number2).ToString());
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}
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else if(nextInChain != null)
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nextInChain.Calculate(request);
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else
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Debug.Log ("Handling of request failed: " + request.calculationWanted);
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}
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}
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}

‎Assets/Behavioral Patterns/Chain of Responsibility Pattern/Example2/ChainOfResponsibilityExample2.cs.meta

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‎Assets/Behavioral Patterns/Chain of Responsibility Pattern/Example2/ChainOfResponsibilityExample2.unity

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‎Assets/Behavioral Patterns/Chain of Responsibility Pattern/Example2/ChainOfResponsibilityExample2.unity.meta

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