The state machine model in the role of unity is very large, you can move and jump achieve scene of roles, including some of the animation, a lot of unity in the framework is also very common, broad divergent thinking, here is a simple state machine implementation, annotated
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public enum StateType
{
Idle,
Die,
Move,
}
stateObject class public abstract
{
protected StateManger State;
public stateObject (StateManger _sm)
{
State = _sm;
}
// entry method
public abstract void enterState ();
// methods leave
public abstract void ExiState ();
// method of continuously updated
public abstract UpdateState void ();
}
// standing state
public class IdleState: stateObject
{
public IdleState (StateManger state): Base (state)
{
}
the override void enterState public ()
{
Debug.Log ( "enter standing state");
}
the override void ExiState public ()
{
Debug.Log ( "leaving standing state");
}
public override void UpdateState()
{
Debug.Log("等待站着状态");
if (Input .GetKey(KeyCode.M))
{
Debug.Log("按下咯");
state.ChangeState("Move");
}
if (Input.GetKey(KeyCode.D))
{
state.ChangeState("Die");
}
}
}
//移动状态
public class MoveState : StateObject
{
public MoveState(StateManger state):base(state)
{
}
Public void enterState the override ()
{
Debug.Log ( "enter the movement state");
}
the override void ExiState public ()
{
Debug.Log ( "moving away state");
}
public override void UpdateState()
{
Debug.Log("进入移动更新状态");
if (Input.GetKey(KeyCode.D))
{
state.ChangeState("Die");
}
if (Input.GetKey(KeyCode.I))
{
state.ChangeState("Idle");
}
}
}
//死亡状态
public class DieState : StateObject
{
public DieState(StateManger state) : base(state)
{
}
Public void enterState the override ()
{
Debug.Log ( "enter dead state");
}
the override void ExiState public ()
{
Debug.Log ( "leave dead state");
}
the override void UpdateState public ()
{
Debug.Log ( "Death enters update state");
IF (Input.GetKey (KeyCode.I))
{
state.ChangeState ( "the Idle");
}
}
}
public class StateManger {
// dictionary the storage state of
the Dictionary <String, stateObject> DIC = new new the Dictionary <String, stateObject> ();
// current state
stateObject currentState;
// status register
public void Region (String stateName, stateObject state)
{
// this is determined whether the dictionary is present button
iF (dic.ContainsKey (stateName)!)
{
dic.Add (stateName, state);
}
}
// set default
public void SetDefat (String stateName)
{
// determines whether this state exists dictionary
IF (dic.ContainsKey (stateName))
{
// assign to the presence currentState
currentState DIC = [stateName];
// current status of the calls into (enterState) Method
currentstate.EnterState ();
}
}
// change state
public void ChangeState (String stateName)
{
// determines whether this state exists in the dictionary
iF (dic.ContainsKey (stateName))
{
// if the current state is empty
iF (currentState! = null)
{
a leaving call process state on //
currentstate. ExiState ();
// get to the state assigned to currentState
currentState DIC = [stateName];
// call to the Access method taken
currentstate.EnterState ();
}
}
}
// update status
public void UpdateState ()
{
Debug.Log ( "Update status");
IF (currentState = null!)
{
// current state UpdateState method
currentstate.UpdateState ();
}
}
}
public class FMSC,: {MonoBehaviour
StateManger new new StateManger SM = ();
// the this for the Initialization the Use
void Start () {
// method to register standing
sm.Region ( "Idle", new new IdleState (SM));
// registration method of death
sm.Region ( "Die", new DieState (sm) );
// registration method of a mobile
sm.Region ( "the move", new new MoveState (SM));
// set default state
sm.SetDefat ( "the Idle");
}
// Called the Update Once per iS Frame
void the Update () {
// current status of the call duration UpdateState method
sm.UpdateState ();
}
}
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Each state has its own methods, there are different things to do in each state, to reduce coupling of the code
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