72 lines
2.3 KiB
TypeScript
72 lines
2.3 KiB
TypeScript
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import AnimatorCondition, { ParamType } from "./AnimatorCondition";
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import AnimatorController from "./AnimatorController";
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/**
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* 状态过渡类
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*/
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export default class AnimatorTransition {
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private _toStateName: string = '';
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private _hasExitTime: boolean = false;
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private _conditions: AnimatorCondition[] = [];
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private _ac: AnimatorController = null;
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constructor(data: any, ac: AnimatorController) {
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this._toStateName = data.toState;
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this._hasExitTime = data.hasExitTime;
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this._ac = ac;
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for (let i = 0; i < data.conditions.length; i++) {
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let condition: AnimatorCondition = new AnimatorCondition(data.conditions[i], ac);
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this._conditions.push(condition);
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}
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}
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/**
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* 返回该transition是否有效，当未勾选hasExitTime以及没有添加任何condition时此transition无效并忽略
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*/
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public isValid(): boolean {
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return this._hasExitTime || this._conditions.length > 0;
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}
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/**
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* 判断是否满足所有转换条件
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*/
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public check(): boolean {
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if (this._toStateName === this._ac.curState.name) {
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return false;
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}
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if (this._hasExitTime && (this._ac.curState !== this._ac.animCompleteState || !this._ac.animComplete)) {
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return false;
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}
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for (let i = 0; i < this._conditions.length; i++) {
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if (!this._conditions[i].check()) {
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return false;
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}
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}
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return true;
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}
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/**
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* 转换状态
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*/
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public doTrans() {
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// 满足条件时重置动画播完标记
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if (this._hasExitTime) {
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this._ac.animComplete = false;
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}
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// 满足状态转换条件时重置trigger和autoTrigger
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for (let i = 0; i < this._conditions.length; i++) {
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let type = this._conditions[i].getParamType();
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let name = this._conditions[i].getParamName();
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if (type === ParamType.TRIGGER) {
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this._ac.params.resetTrigger(name);
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} else if (type === ParamType.AUTO_TRIGGER) {
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this._ac.params.resetAutoTrigger(name);
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}
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}
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this._ac.changeState(this._toStateName);
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}
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}
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