cocos2dx有限状态机

@H_502_0@在游戏开发中，状态机几乎是必不可少的，简单地说，状态机就是控制游戏对象在不同的状态下应该做什么事情的一个机制。

@H_502_0@

@H_502_0@#ifndef__MUTOU_H__
@H_502_0@#define__MUTOU_H__
@H_502_0@
@H_502_0@#include"cocos2d.h"
@H_502_0@USING_NS_CC;
@H_502_0@
@H_502_0@enumEnumState{
@H_502_0@enStateWriteCode,/*状态:写代码*/
@H_502_0@enStateWriteArticle,0);">/*状态:写教程*/
@H_502_0@enStateRest,0);">/*状态:休息*/
@H_502_0@};
@H_502_0@
@H_502_0@classMutou:publicCCNode{
@H_502_0@public:
@H_502_0@CREATE_FUNC(Mutou);
@H_502_0@virtualboolinit();
@H_502_0@
@H_502_0@/*当前状态*/
@H_502_0@EnumStateenCurState;
@H_502_0@
@H_502_0@/*判断是否写代码写累了*/
@H_502_0@boolisTire();
@H_502_0@
@H_502_0@/*是否想写教程*/
@H_502_0@boolisWantToWriteArticle();
@H_502_0@
@H_502_0@/*写代码*/
@H_502_0@voidwriteCode();
@H_502_0@
@H_502_0@/*写教程*/
@H_502_0@voidwriteArticle();
@H_502_0@
@H_502_0@/*休息*/
@H_502_0@voidrest();
@H_502_0@
@H_502_0@/*切换状态*/
@H_502_0@voidchangeState(EnumStateenState);
@H_502_0@
@H_502_0@virtualvoidupdate(floatdt);
@H_502_0@};
@H_502_0@
@H_502_0@#endif
@H_502_0@
@H_502_0@
@H_502_0@
@H_502_0@
@H_502_0@输出：
mutouiswirtingCode.
mutouisresting.
mutouiswritingarticle.
mutouiswirtingCode.
@H_502_0@
@H_502_0@有限状态机的运用可以极大的简化程序让代码更加的清晰易懂便于阅读当游戏主角能根据当前状态进行动作自动切换执行的时候可以极大的减少代码量
1. @H_502_0@boolHelloWorld::init()
2. @H_502_0@{
3. @H_502_0@boolbRet=false;
4. @H_502_0@do
5. @H_502_0@{
6. @H_502_0@CC_BREAK_IF(!CCLayer::init());
7. @H_502_0@
8. @H_502_0@/*新建木头角色*/
9. @H_502_0@mMutou=Mutou::create();
10. @H_502_0@
11. @H_502_0@/*初始化木头的状态为休息*/
12. @H_502_0@mMutou->changeState(enStateRest);
13. @H_502_0@
14. @H_502_0@this->addChild(mMutou);
15. @H_502_0@bRet=true;
16. @H_502_0@}while(0);
17. @H_502_0@
18. @H_502_0@returnbRet;
19. @H_502_0@}
20. @H_502_0@#include"Mutou.h"
21. @H_502_0@
22. @H_502_0@boolMutou::init(){
23. @H_502_0@this->scheduleUpdate();
24. @H_502_0@returntrue;
25. @H_502_0@}
26. @H_502_0@
27. @H_502_0@voidMutou::changeState(EnumStateenState){
28. @H_502_0@this->enCurState=enState;
29. @H_502_0@}
30. @H_502_0@
31. @H_502_0@boolMutou::isTire(){
32. @H_502_0@/*每次问木头累不累,他都会说:累~*/
33. @H_502_0@returntrue;
34. @H_502_0@}
35. @H_502_0@
36. @H_502_0@boolMutou::isWantToWriteArticle(){
37. @H_502_0@/*有10%的概率想写教程(好懒~!)*/
38. @H_502_0@floatran=CCRANDOM_0_1();
39. @H_502_0@if(ran<0.1f){
40. @H_502_0@returntrue;
41. @H_502_0@}
42. @H_502_0@
43. @H_502_0@returnfalse;
44. @H_502_0@}
45. @H_502_0@
46. @H_502_0@voidMutou::writeCode(){
47. @H_502_0@CCLOG("mutouiswirtingCode.");
48. @H_502_0@}
49. @H_502_0@
50. @H_502_0@voidMutou::writeArticle(){
51. @H_502_0@CCLOG("mutouiswritingarticle.");
52. @H_502_0@}
53. @H_502_0@
54. @H_502_0@
55. @H_502_0@voidMutou::rest(){
56. @H_502_0@CCLOG("mutouisresting.");
57. @H_502_0@}
58. @H_502_0@
59. @H_502_0@voidMutou::update(floatdt){
60. @H_502_0@/*判断在每一种状态下应该做什么事情*/
61. @H_502_0@switch(enCurState){
62. @H_502_0@caseenStateWriteCode:
63. @H_502_0@/*如果累了就休息,并且切换到休息状态*/
64. @H_502_0@if(isTire()){
65. @H_502_0@rest();
66. @H_502_0@changeState(enStateRest);
67. @H_502_0@}
68. @H_502_0@break;
69. @H_502_0@caseenStateWriteArticle:
70. @H_502_0@
71. @H_502_0@if(isTire()){
72. @H_502_0@rest();
73. @H_502_0@changeState(enStateRest);
74. @H_502_0@}
75. @H_502_0@break;
76. @H_502_0@caseenStateRest:
77. @H_502_0@/*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*/
78. @H_502_0@if(isWantToWriteArticle()){
79. @H_502_0@writeArticle();
80. @H_502_0@changeState(enStateWriteArticle);
81. @H_502_0@}
82. @H_502_0@else{
83. @H_502_0@writeCode();
84. @H_502_0@changeState(enStateWriteCode);
85. @H_502_0@}
86. @H_502_0@break;
87. @H_502_0@}
88. @H_502_0@}

cocos2dx有限状态机

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