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t-tutiya/Program.cs

Created Jan 10, 2020
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using System;
using System.Collections.Generic;
using System.Linq;
namespace Tsukasa
{
abstract class PushDownStateMachine<StateType>
{
protected Stack<StateType> StateStack;
public PushDownStateMachine()
{
StateStack = new Stack<StateType>();
}
public void PushState(StateType command)
{
StateStack.Push(command);
}
public void PushStateList(IEnumerable<StateType> commandList)
{
foreach (var command in commandList.Reverse())
{
StateStack.Push(command);
}
}
public void EvalState()
{
while (true)
{
if (StateStack.Count == 0) return;
if (DispatchState(StateStack.Pop())) return;
}
}
protected abstract bool DispatchState(StateType state);
}
enum TacticalMethod { Attack, Guard, DubleAttackAndGurad, Wait };
class Knight : PushDownStateMachine<TacticalMethod>
{
protected override bool DispatchState(TacticalMethod command)
{
return command switch
{
TacticalMethod.Attack => Attack(),
TacticalMethod.Guard => Guard(),
TacticalMethod.DubleAttackAndGurad => DubleAttackAndGurad(),
TacticalMethod.Wait => Wait(),
_ => false,
};
}
private bool Attack()
{
Console.WriteLine("Attack!");
return false;
}
private bool Guard()
{
Console.WriteLine("Guard!");
return false;
}
private bool DubleAttackAndGurad()
{
PushStateList(new List<TacticalMethod>()
{
TacticalMethod.Attack,
TacticalMethod.Attack,
TacticalMethod.Guard
}
);
return false;
}
private bool Wait()
{
Console.WriteLine("Wait(Halt)");
return true;
}
}
class Program
{
static void Main()
{
var knight = new Knight();
knight.PushStateList(new List<TacticalMethod>()
{
TacticalMethod.Attack,
TacticalMethod.Guard,
TacticalMethod.Wait,
TacticalMethod.DubleAttackAndGurad,
});
knight.EvalState();
Console.WriteLine("====");
knight.EvalState();
Console.WriteLine("end");
}
}
}
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