cocos2dx 状态机

#pragma once
#include "cocos2d.h"
USING_NS_CC;

enum EnumState{  
    enStateWriteCode,       /* 状态:写代码 */  
    enStateWriteArticle,    /* 状态:写教程 */  
    enStateRest,            /* 状态:休息 */  
}; 
class Mutou:public CCNode
{
public:
    CREATE_FUNC(Mutou);  
    virtual bool init();
     /* 当前状态 */  
    EnumState enCurState;  
  
    /* 判断是否写代码写累了 */  
    bool isTire();  
  
    /* 是否想写教程 */  
    bool isWantToWriteArticle();  
  
    /* 写代码 */  
    void writeCode();  
  
    /* 写教程 */  
    void writeArticle();  
  
    /* 休息 */  
    void rest();  
  
    /* 切换状态 */  
    void changeState(EnumState enState);  
  
  
    virtual void update(float dt); 
};

#include "Mutou.h"

bool Mutou::init(){
    this->scheduleUpdate();
    return true;
}

void Mutou::changeState( EnumState enState ) {
    this->enCurState = enState;
}

bool Mutou::isTire() {
    /* 每次问木头累不累,他都会说:累~ */
    return true;
}

bool Mutou::isWantToWriteArticle() {
    /* 有10%的概率想写教程(好懒~!) */
    float ran = CCRANDOM_0_1();
    if(ran < 0.1f) {
        return true;
    }

    return false;
}

void Mutou::writeCode() {
    CCLOG("mutou is wirting Code.");
}

void Mutou::writeArticle() {
    CCLOG("mutou is writing article.");
}


void Mutou::rest() {
    CCLOG("mutou is resting.");
}

void Mutou::update( float dt ) {
    /* 判断在每一种状态下应该做什么事情 */
    switch(enCurState) {
    case enStateWriteCode:
        /* 如果累了就休息,并且切换到休息状态 */
        if(isTire()) {
            rest();
            changeState(enStateRest);
        }
        break;
    case enStateWriteArticle:
        /* 如果累了就休息,并且切换到休息状态 */
        if(isTire()) {
            rest();
            changeState(enStateRest);
        }
        break;
    case enStateRest:
        /* 一定的概率写代码,一定的概率写教程,并且切换到相应的状态 */
        if(isWantToWriteArticle()) {
            writeArticle();
            changeState(enStateWriteArticle);
        }
        else {
            writeCode();
            changeState(enStateWriteCode);
        }
        break;
    }
}