Files
OpenRA/OpenRA.Mods.Common/AI/StateMachine.cs
2016-12-31 23:46:13 -06:00

53 lines
1.2 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
namespace OpenRA.Mods.Common.AI
{
class StateMachine
{
IState currentState;
IState previousState;
public void Update(Squad squad)
{
if (currentState != null)
currentState.Tick(squad);
}
public void ChangeState(Squad squad, IState newState, bool rememberPrevious)
{
if (rememberPrevious)
previousState = currentState;
if (currentState != null)
currentState.Deactivate(squad);
if (newState != null)
currentState = newState;
if (currentState != null)
currentState.Activate(squad);
}
public void RevertToPreviousState(Squad squad, bool saveCurrentState)
{
ChangeState(squad, previousState, saveCurrentState);
}
}
interface IState
{
void Activate(Squad bot);
void Tick(Squad bot);
void Deactivate(Squad bot);
}
}