/*** Animation* {Class}* 动画类*/Laro.register('.action', function (La) {var Class = La.Class || La.base.Class,extend = La.extend;/*** @param anim {Object} 从json配置里面获取的anim 配置{"nbrOfFrames": 73,"name": "TimeTrap","atlas": "atlas/game/timetrap","type": "animation","image": "anims/timetrap.png","pivoty": 128,"framerate": 30,"pivotx": 256,"events": []}* @param frames {Array} 从json配置文件里面获得的每帧的位置信息*/var Animation = Class(function (anim, frames) {extend(this, anim);this.frames = frames;if (anim.framerate == undefined) anim.framerate = 20;// 这个动画执行需要的时间this.animationLength = frames.length / anim.framerate;}).methods({// 获取动画时间内指定时间段[from, to]中插入的事件getEvents: function (from, to) {var events = [];for (var e = 0; e < this.events.length; e ++) {var evt = this.events[e];if (evt.time >= from && evt.time < to) {events.push(evt.name);}}return events;},// 获取下一个动画内（指定时间段内）插入事件的触发具体时间getTimeForNextEvent: function (from, to) {var first = -1;for (var e = 0; e < this.events.length; e ++) {var evt = this.events[e];if (evt.time > from && evt.time < to) {if (first != -1) return first;first = evt.time;}}return first;},// 给定两个时间区间，如果有交集，交集中的事件push两次getEventsSlow: function (from, to, start, end, dt) {var events = [],e,evt;for (e = 0; e < this.events.length; e++) {evt = this.events[e];if (evt.time >= from && evt.time < end) {events.push(evt.name);}}for (e = 0; e < this.events.length; e ++) {evt = this.events[e];if (evt.time >= start && evt.time < to) {events.push(evt.name);}}return events;}});this.Animation = Animation;Laro.extend(this);})

/*** AnimationHandle* {Class}* 管理驱动动画*/Laro.register('.action', function (La) {var Class = La.Class || La.base.Class;var AnimationHandle = Class(function (animation, callback, mirrored) {if (animation instanceof AnimationHandle) {animation = animation.animation;}if (mirrored == undefined) {mirrored = false;}this.animation = animation;this.callback = callback == undefined ? null : callback;this.currentFrame = 0;this.time = 0;this.renderMirrored = mirrored;this.speed = 1;this.start = 0;this.end = 1;this.playTo = -1;this.loop = true;this.playing = false;}).methods({clone: function () {var clone = new AnimationHandle(this.animation, this.callback, this.renderMirrored);clone.start = this.start;clone.end = this.end;clone.time = this.time;return clone;},update: function (dt) {if (!this.playing) {this.currentFrame = Math.floor(this.time * this.animation.framerate) % this.animation.nbrOfFrames;return;}var oldTime = this.time;this.time += this.speed * dt;var halfFrame = 0.5/this.animation.framerate;var animationLength = this.animation.animationLength;// 循环if (this.loop) {if (this.speed > 0) {this.time = this.time >= animationLength * this.end ? this.start * animationLength : this.time;} else {this.time = this.time <= animationLength * this.start ? this.end * animationLength - halfFrame : this.time;}} else {var tempPlayTo; if (this.speed > 0) {tempPlayTo = this.playTo >= 0 ? this.playTo : this.end;if (this.time >= animationLength * tempPlayTo) { this.time = animationLength * tempPlayTo - halfFrame;this.playing = false;}} else {tempPlayTo = this.playTo >= 0 ? this.playTo : this.start;if (this.time <= animationLength * tempPlayTo) {this.time = animationLength * tempPlayTo + halfFrame;this.playing = false;}}}this.time = Math.max(this.time, 0);this.currentFrame = Math.floor(this.time * this.animation.framerate) % this.animation.nbrOfFrames;if (this.callback != null) {var timeToCheck = this.playing ? this.time : (this.speed > 0 ? animationLength * this.end : this.animation.animationLength * this.start);var evts;if (oldTime < timeToCheck) {evts = this.animation.getEvents(oldTime, timeToCheck);} else {evts = this.animation.getEventsSlow(oldTime, timeToCheck, animationLength * this.start, animationLength * this.end, dt);}if (evts.length >= 2) {this.time = this.animation.getTimeForNextEvent(oldTime, timeToCheck);evts = [evts[0]];}for (var e = 0; e < evts.length; e++) {this.callback(evts[e], this);}if (!this.playing) {this.callback('stopped', this);}}},draw : function (render, x, y, angle, alpha, tint) {var image = this.animation.frames[this.currentFrame];var baseX = this.renderMirrored ? x - (image.textureWidth - this.animation.pivotx) : x - this.animation.pivotx;render.drawImage(image, baseX, y - this.animation.pivoty, angle, false, alpha, tint, this.renderMirrored);},mirror: function () {this.renderMirrored = !this.renderMirrored;       },// play animation play: function (loop) {this.playTo = -1;if (loop == undefined) {loop = true;}if (this.time >= this.end * this.animation.animationLength - 0.5 / this.animation.framerate) {this.time = this.start * this.animation.animationLength;}this.loop = loop;this.playing = true;},// play 到指定时间点playToTime: function (t) {this.playTo = t;if (this.time >= this.playTo * this.animation.animationLength - 0.5 / this.animation.framerate) {this.time = this.start * this.animation.animationLength;}this.playing = true;},// play 到指定 event位置playToEvent: function (name) {for (var i = 0; i < this.animation.events.length; i ++) {var e = this.animation.events[i];if (e.name == name) {this.playToTime(e.time / this.animation.animationLength);break;}}          },// stopstop: function () {this.playing = false;   },// 返回动画初始位置rewind: function () {this.time = this.start * this.animation.animationLength;       },// 跳到指定位置gotoTime: function (time) {this.time = time * this.animation.animationLength;         },// 跳到指定事件位置gotoEvent: function (evt) {for (var i = 0; i < this.animation.events.length; i ++) {var e = this.animation.events[i];if (e.name == evt) {this.time = e.time;break;}}          },//跳到动画结束位置gotoEnd: function () {var halfFrame = 0.5 / this.animation.framerate;this.time = (this.end - halfFrame) * this.animation.animationLength;},// 指定动画播放的区间setRange: function (s, e) {this.start = s;this.end = e;var length = this.animation.animationLength;if (this.time < s * length) this.time = s * length;if (this.time > e * length) this.time = e * length;},// 播放速度setSpeed: function (s) {this.speed = s;         },// 获取用于播放的动画长度getLength: function () {return this.animation.animationLength * (this.end - this.start);         },// 获取当前位置getCurrentPosition: function () {return this.time;                    },// 是否停止isStopped: function () {return !this.playing;         },setCallback: function (cb) {this.callback = cb;            }});this.AnimationHandle = AnimationHandle;Laro.extend(this);})

/*** fsm* 有限状态机*/Laro.register('.game', function (La) {var Class = La.Class || La.base.Class,SimpleState = La.SimpleState || La.game.SimpleState,BaseState = La.BaseState || La.game.BaseState;var FSM = Class(function (host, states, onStateChange){if (host == undefined) return;this.host = host;this.onStateChange = onStateChange;this.stateArray = [];// states list 中，俩个元素为一组，分别是state标识{Int,标识状态顺序},和对应的state 类for (var i = 0; i < states.length; i += 2) {var stateId = states[i],stateClass = states[i + 1];if (stateClass instanceof SimpleState) {this.stateArray[stateId] = stateClass;} else {this.stateArray[stateId] = new stateClass(host, this, stateId);}}this.currentState = FSM.kNoState;this.numSuspended = 0;this.suspendedArray = [];this.numPreloaded = 0;this.preloadedArray = [];this.numStates = this.stateArray.length;}).methods({// 进入某一个stateenter: function (startState, message) {this.setState(startState, message);},// 退出state，回到初始化状态leave: function () {this.setState(FSM.kNoState);},// 每帧状态机更新update: function (dt) {for (var i = 0; i < this.numSuspended; i ++) {this.stateArray[this.suspendedArray[i]].suspended(dt);}if (this.currentState != FSM.kNoState) {this.stateArray[this.currentState].update(dt);// update 之后再判断transitionif (this.currentState != FSM.kNoState) {this.stateArray[this.currentState].transition();}}},// 发出消息message: function (msg) {this.currentState != FSM.kNoState && this.stateArray[this.currentState].message(msg);     },// 消息挂起messageSuspended: function (msg) {for (var i = 0; i < this.numSuspended; i ++) {this.stateArray[this.suspendedArray[i]].message(msg);}                },// 改变状态,根据一个判断来决定是否改变状态进入下一个状态// 返回boolean值表示尝试改变是否成功tryChangeState: function (condition, toState, msg, reEnter, suspendedCurrent) {if (reEnter == undefined) { reEnter = true } //重进当前状态if (suspendedCurrent == undefined) { suspendedCurrent = true }if (toState == FSM.kNextState) { toState = this.currentState + 1 }if (condition && (toState != this.currentState || reEnter)) { console.log(toState)this.setState(toState, msg, suspendedCurrent);return true;}return false;},// 设置状态setState: function (state, msg, suspendedCurrent) {if (state = FSM.kNextState) {state = this.currentState + 1;}if (state == FSM.kNoState) {// 当前挂起的状态全部推出for ( ; this.numSuspended > 0; this.numSuspended --) {this.stateArray[this.suspendedArray[this.numSuspended - 1]].leave();this.stateArray[this.suspendedArray[this.numSuspended - 1]].isSuspended = false;}// 等待中的状态也全部终止for ( ; this.numPreloaded > 0; this.numPreloaded --) {this.stateArray[this.preloadedArray[this.numPreloaded - 1]].cancelPreload();}} else {if (suspendedCurrent) { // 需要挂起当前的状态this.stateArray[this.currentState].suspended();this.stateArray[this.currentState].isSuspended = true;this.suspendedArray[this.numSuspended ++] = this.currentState;} else {// 推出当前状态，进入指定状态if (this.currentState != FSM.kNoState) {this.stateArray[this.currentState].leave();}// 如果指定状态并没有挂起的话，需要把所有挂起的状态退出if (!this.stateArray[state].isSuspended) {for ( ; this.numSuspended > 0; this.numSuspended --) {this.stateArray[this.suspendedArray[this.numSuspended - 1]].leave();this.stateArray[this.suspendedArray[this.numSuspended - 1]].isSuspended = false;}}}}// 处理等待中的状态，如果不是指定状态，都取消for (var p = 0; p < this.numPreloaded; p++) {this.preloadedArray[p] != state && this.stateArray[this.preloadedArray[p]].cancelPreload();}this.numPreloaded = 0;// 从当前状态到指定状态this.onStateChange != undefined && this.onStateChange(this.currentState, state, msg);var lastState = this.currentState;this.currentState = state;if (this.currentState != FSM.kNoState) {if (this.stateArray[this.currentState].isSuspended) {// 状态转变后，如果状态是挂起的，不能是最后一个this.stateArray[this.currentState].resume(msg, lastState);this.stateArray[this.currentState].isSuspended = false;-- this.numSuspended;} else {// 进入指定状态this.stateArray[this.currentState].enter(msg, lastState);}}},// 获取当前状态getCurrentState: function () {if (this.currentState == FSM.kNoState) return null;return this.stateArray[this.currentState];},preload: function (state) {this.preloadedArray[this.numPreloaded ++] = state;      },isSuspended: function (state) {return this.stateArray[state].isSuspended;             }}).statics({kNoState : -1, // 默认初始化状态码kNextState: -2 // 默认进入下一个状态的状态码});/*** app 的 FSM* 添加一些简单的交互处理*/var AppFSM = FSM.extend().methods({draw: function (render) {// 如果状态类支持 draw，调用draw来绘制相关内容for (var i = 0; i < this.numSuspended; i ++) {this.stateArray[this.suspendedArray[i]].draw(render);}var s = this.getCurrentState();!!s && s.draw(render);},onMouse: function (x, y, left, leftPressed) {// 鼠标事件var s = this.getCurrentState();!!s && s.onMouse(x, y, left, leftPressed);}})this.FSM = FSM;this.AppFSM = AppFSM;Laro.extend(this);})