quick-cocos2d-x 学习系列之十五 状态机

quick-cocos2d-x学习系列之十五状态机代码--createFiniteStateMachineself.fsm_={}cc.GameObject.extend(self.fsm_):addComponent("components.behavior.StateMachine"):exportMethods()self.fsm_:setupState({events={{name="start",from="none",to="green"},{name="warn",from="green",to="yellow"},{name="panic",from="green",to="red"},{name="panic",from="yellow",to="red"},{name="calm",from="red",to="yellow"},{name="clear",from="red",to="green"},{name="clear",from="yellow",to="green"},},callbacks={onbeforestart=function(event)self:log("[FSM]STARTINGUP")end,onstart=function(event)self:log("[FSM]READY")end,onbeforewarn=function(event)self:log("[FSM]STARTEVENT:warn!",true)end,onbeforepanic=function(event)self:log("[FSM]STARTEVENT:panic!",true)end,onbeforecalm=function(event)self:log("[FSM]STARTEVENT:calm!",true)end,onbeforeclear=function(event)self:log("[FSM]STARTEVENT:clear!",true)end,onwarn=function(event)self:log("[FSM]FINISHEVENT:warn!")end,onpanic=function(event)self:log("[FSM]FINISHEVENT:panic!")end,oncalm=function(event)self:log("[FSM]FINISHEVENT:calm!")end,onclear=function(event)self:log("[FSM]FINISHEVENT::onButtonClicked(function()ifself.fsm_:canDoEvent("warn")thenself.fsm_:doEvent("warn")endend):align(display.CENTER,display.cx+50,display.top-540):addTo(self)self.panicButton_=cc.ui.UIPushButton.new():setButtonLabel(cc.ui.UILabel.new({text="panic",size=32,color=display.COLOR_BLACK})):onButtonClicked(function()ifself.fsm_:canDoEvent("panic")thenself.fsm_:doEvent("panic")endend):align(display.CENTER,display.cx+150,display.top-540):addTo(self)--debugself.logCount_=0程序开始时候设置状态为green.函数log打印信息，根据打印状态变化图片。函数pengding打印状态信息，并设置LABEL字符串。解释创建有限状态机--createFiniteStateMachineself.fsm_={}cc.GameObject.extend(self.fsm_):addComponent("components.behavior.StateMachine"):exportMethods()设置有限状态机回调函数self.fsm_:setupState({events={{name="start",from="none",to="green"},{name="warn",from="green",to="yellow"},{name="panic",from="green",to="red"},{name="panic",from="yellow",to="red"},{name="calm",from="red",to="yellow"},{name="clear",from="red",to="green"},{name="clear",from="yellow",to="green"},},callbacks={onbeforestart=function(event)self:log("[FSM]STARTINGUP")end,onstart=function(event)self:log("[FSM]READY")end,onbeforewarn=function(event)self:log("[FSM]STARTEVENT:warn!",true)end,onbeforepanic=function(event)self:log("[FSM]STARTEVENT:panic!",true)end,onbeforecalm=function(event)self:log("[FSM]STARTEVENT:calm!",true)end,onbeforeclear=function(event)self:log("[FSM]STARTEVENT:clear!",true)end,onwarn=function(event)self:log("[FSM]FINISHEVENT:warn!")end,onpanic=function(event)self:log("[FSM]FINISHEVENT:panic!")end,oncalm=function(event)self:log("[FSM]FINISHEVENT:calm!")end,onclear=function(event)self:log("[FSM]FINISHEVENT:clear!")end,onleavegreen=function(event)self:log("[FSM]LEAVESTATE:green")end,onleaveyellow=function(event)self:log("[FSM]LEAVESTATE:yellow")end,onleavered=function(event)self:log("[FSM]LEAVESTATE:red")self:pending(event,3)self:performWithDelay(function()self:pending(event,2)self:performWithDelay(function()self:pending(event,1)self:performWithDelay(function()self.pendingLabel_:setString("")event.transition()end,1)end,1)end,1)return"async"end,ongreen=function(event)self:log("[FSM]ENTERSTATE:green")end,onyellow=function(event)self:log("[FSM]ENTERSTATE:yellow")end,onred=function(event)self:log("[FSM]ENTERSTATE:red")end,onchangestate=function(event)self:log("[FSM]CHANGEDSTATE:"..event.from.."to"..event.to)end,},})创建4个Button分别是：clear,calm,warn,panic。如clear按钮self.clearButton_=cc.ui.UIPushButton.new():setButtonLabel(cc.ui.UILabel.new({text="clear",size=32,color=display.COLOR_BLACK})):onButtonClicked(function()ifself.fsm_:canDoEvent("clear")thenself.fsm_:doEvent("clear")endend):align(display.CENTER,display.cx-150,display.top-540):addTo(self)是否可以调用clear时间，如果可以则调用。其他3个按钮类似。点击panic按钮后先调用函数onbeforepanic输出[FSM]STARTEVENT:panic!然后调用onleavegreen=function(event)self:log("[FSM]LEA