mirror of
https://github.com/unanmed/HumanBreak.git
synced 2025-04-18 17:48:52 +08:00
1142 lines
34 KiB
TypeScript
1142 lines
34 KiB
TypeScript
import { isNil } from 'lodash-es';
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import { EventEmitter } from 'eventemitter3';
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import { MotaOffscreenCanvas2D } from '../fx/canvas2d';
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import { Ticker, TickerFn } from 'mutate-animate';
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import { Transform } from './transform';
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import { logger } from '../common/logger';
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import { ElementNamespace, ComponentInternalInstance } from 'vue';
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import { transformCanvas } from './utils';
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import {
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ActionEventMap,
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ActionType,
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ERenderItemActionEvent,
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eventNameMap,
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EventProgress,
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IActionEvent,
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MouseType
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} from './event';
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import { vec3 } from 'gl-matrix';
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export type RenderFunction = (
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canvas: MotaOffscreenCanvas2D,
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transform: Transform
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) => void;
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export type RenderItemPosition = 'absolute' | 'static';
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export interface IRenderUpdater {
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/**
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* 更新这个渲染元素
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* @param item 触发更新事件的元素,不填默认为元素自身触发
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*/
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update(item?: RenderItem): void;
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}
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export interface IRenderAnchor {
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/** 锚点横坐标,0表示最左端,1表示最右端 */
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anchorX: number;
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/** 锚点纵坐标,0表示最上端,1表示最下端 */
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anchorY: number;
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/**
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* 设置渲染元素的位置锚点
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* @param x 锚点的横坐标,小数,0表示最左边,1表示最右边
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* @param y 锚点的纵坐标,小数,0表示最上边,1表示最下边
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*/
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setAnchor(x: number, y: number): void;
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}
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export interface IRenderConfig {
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/** 是否是高清画布 */
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highResolution: boolean;
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/** 是否启用抗锯齿 */
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antiAliasing: boolean;
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/**
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* 设置当前渲染元素是否使用高清画布
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* @param hd 是否高清
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*/
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setHD(hd: boolean): void;
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/**
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* 设置当前渲染元素是否启用抗锯齿
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* @param anti 是否抗锯齿
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*/
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setAntiAliasing(anti: boolean): void;
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}
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export interface IRenderChildable {
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/** 当前元素的子元素 */
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children: Set<RenderItem>;
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/**
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* 向这个元素添加子元素
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* @param child 添加的元素
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*/
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appendChild(...child: RenderItem<any>[]): void;
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/**
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* 移除这个元素中的某个子元素
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* @param child 要移除的元素
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*/
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removeChild(...child: RenderItem<any>[]): void;
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/**
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* 在下一个tick的渲染前对子元素进行排序
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*/
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requestSort(): void;
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}
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export interface IRenderFrame {
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/**
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* 在下一帧渲染之前执行函数,常用于渲染前数据更新,理论上不应当用于渲染,不保证运行顺序
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* @param fn 执行的函数
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*/
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requestBeforeFrame(fn: () => void): void;
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/**
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* 在下一帧渲染之后执行函数,理论上不应当用于渲染,不保证运行顺序
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* @param fn 执行的函数
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*/
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requestAfterFrame(fn: () => void): void;
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/**
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* 在下一帧渲染时执行函数,理论上应当只用于渲染(即{@link RenderItem.update}方法),且不保证运行顺序
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* @param fn 执行的函数
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*/
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requestRenderFrame(fn: () => void): void;
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}
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export interface IRenderTickerSupport {
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/**
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* 委托ticker,让其在指定时间范围内每帧执行对应函数,超过时间后自动删除
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* @param fn 每帧执行的函数
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* @param time 函数持续时间,不填代表不会自动删除,需要手动删除
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* @param end 持续时间结束后执行的函数
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* @returns 委托id,可用于删除
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*/
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delegateTicker(fn: TickerFn, time?: number, end?: () => void): number;
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/**
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* 移除ticker函数
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* @param id 函数id,也就是{@link IRenderTickerSupport.delegateTicker}的返回值
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* @param callEnd 是否调用结束函数,即{@link IRenderTickerSupport.delegateTicker}的end参数,默认调用
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* @returns 是否删除成功,比如对应ticker不存在,就是删除失败
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*/
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removeTicker(id: number, callEnd?: boolean): boolean;
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/**
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* 检查是否包含一个委托函数
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* @param id 函数id
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*/
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hasTicker(id: number): boolean;
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}
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export interface IRenderVueSupport {
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/**
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* 在 jsx, vue 中当属性改变后触发此函数,用于处理响应式等情况
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* @param key 属性键名
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* @param prevValue 该属性先前的数值
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* @param nextValue 该属性当前的数值
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* @param namespace 元素命名空间
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* @param parentComponent 元素的父组件
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*/
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patchProp(
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key: string,
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prevValue: any,
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nextValue: any,
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namespace?: ElementNamespace,
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parentComponent?: ComponentInternalInstance | null
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): void;
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}
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export interface IRenderTreeRoot {
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readonly isRoot: true;
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/**
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* 将一个渲染元素连接到此根元素
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* @param item 要连接到此根元素的渲染元素
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*/
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connect(item: RenderItem): void;
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/**
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* 将已连接的渲染元素从此根元素中去掉
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* @param item 要取消连接的渲染元素
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*/
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disconnect(item: RenderItem): void;
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/**
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* 修改已连接的元素的 id
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* @param item 修改了 id 的元素
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* @param previous 先前的元素 id
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* @param current 现在的元素 id
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*/
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modifyId(item: RenderItem, previous: string, current: string): void;
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/**
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* 获取渲染至的目标画布,即显示在画面上的画布
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*/
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getCanvas(): HTMLCanvasElement;
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/**
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* 当鼠标覆盖在某个元素上时执行
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* @param element 鼠标覆盖的元素
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*/
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hoverElement(element: RenderItem): void;
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}
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export interface ERenderItemEvent extends ERenderItemActionEvent {
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beforeRender: [transform: Transform];
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afterRender: [transform: Transform];
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destroy: [];
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}
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interface TickerDelegation {
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fn: TickerFn;
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timeout?: number;
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endFn?: () => void;
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}
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const beforeFrame: (() => void)[] = [];
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const afterFrame: (() => void)[] = [];
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const renderFrame: (() => void)[] = [];
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let count = 0;
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export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
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extends EventEmitter<ERenderItemEvent | E>
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implements
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IRenderUpdater,
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IRenderAnchor,
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IRenderConfig,
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IRenderFrame,
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IRenderTickerSupport,
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IRenderChildable,
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IRenderVueSupport
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{
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/** 渲染的全局ticker */
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static ticker: Ticker = new Ticker();
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/** 包括但不限于怪物、npc、自动元件的动画帧数 */
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static animatedFrame: number = 0;
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/** ticker委托映射 */
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static tickerMap: Map<number, TickerDelegation> = new Map();
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/** ticker委托id */
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static tickerId: number = 0;
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readonly uid: number = count++;
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//#region 元素属性
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private _id: string = '';
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/**
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* 元素的 id,原则上不可重复
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*/
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get id(): string {
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return this._id;
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}
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set id(v: string) {
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this.checkRoot();
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const prev = this._id;
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this._id = v;
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this._root?.modifyId(this, prev, v);
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}
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/** 元素纵深,表示了遮挡关系 */
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zIndex: number = 0;
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width: number = 200;
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height: number = 200;
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/** 渲染锚点,(0,0)表示左上角,(1,1)表示右下角 */
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anchorX: number = 0;
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/** 渲染锚点,(0,0)表示左上角,(1,1)表示右下角 */
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anchorY: number = 0;
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/** 渲染模式,absolute表示绝对位置,static表示跟随摄像机移动 */
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type: RenderItemPosition = 'static';
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/** 是否是高清画布 */
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highResolution: boolean = true;
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/** 是否抗锯齿 */
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antiAliasing: boolean = true;
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/** 是否被隐藏 */
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hidden: boolean = false;
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/** 滤镜 */
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filter: string = 'none';
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/** 混合方式 */
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composite: GlobalCompositeOperation = 'source-over';
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/** 不透明度 */
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alpha: number = 1;
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/** 鼠标覆盖在此元素上时的光标样式 */
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cursor: string = 'auto';
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get x() {
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return this._transform.x;
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}
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get y() {
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return this._transform.y;
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}
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/** 该元素的变换矩阵 */
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private _transform: Transform = new Transform();
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set transform(value: Transform) {
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this._transform.bind();
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this._transform = value;
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value.bind(this);
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}
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get transform() {
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return this._transform;
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}
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//#endregion
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//#region 父子关系
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private _parent?: RenderItem;
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/** 当前元素的父元素 */
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get parent() {
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return this._parent;
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}
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/** 当前元素是否为根元素,如果是根元素,那么必须实现 `IRenderTreeRoot` 接口 */
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readonly isRoot: boolean = false;
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private _root?: RenderItem & IRenderTreeRoot;
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get root() {
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return this._root;
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}
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/** 当前元素是否已经连接至任意根元素 */
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get connected() {
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return !!this._root;
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}
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/** 该渲染元素的子元素 */
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children: Set<RenderItem<ERenderItemEvent>> = new Set();
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//#endregion
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//#region 渲染配置与缓存
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/** 渲染缓存信息 */
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protected cache: MotaOffscreenCanvas2D;
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/** 是否需要更新缓存 */
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protected cacheDirty: boolean = false;
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/** 是否启用缓存机制 */
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readonly enableCache: boolean = true;
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/** 是否启用transform下穿机制,即画布的变换是否会继续作用到下一层画布 */
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readonly transformFallThrough: boolean = false;
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/** 这个渲染元素使用到的所有画布 */
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protected readonly canvases: Set<MotaOffscreenCanvas2D> = new Set();
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//#endregion
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//#region 交互事件
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/** 是否调用了 `ev.stopPropagation` */
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protected propagationStoped: Map<ActionType, boolean> = new Map();
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/** 捕获阶段缓存的事件对象 */
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private cachedEvent: Map<ActionType, IActionEvent> = new Map();
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/** 下穿模式下当前下穿过来的变换矩阵 */
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private fallTransform?: Transform;
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/** 鼠标当前是否覆盖在当前元素上 */
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private hovered: boolean = false;
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/** 是否在元素内 */
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private inElement: boolean = false;
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/** 鼠标标识符映射,键为按下的鼠标按键类型,值表示本次操作的唯一标识符,在按下、移动、抬起过程中保持一致 */
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protected mouseId: Map<MouseType, number> = new Map();
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/** 当前所有的触摸标识符 */
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protected touchId: Set<number> = new Set();
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//#endregion
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constructor(
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type: RenderItemPosition,
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enableCache: boolean = true,
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transformFallThrough: boolean = false
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) {
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super();
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this.enableCache = enableCache;
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this.transformFallThrough = transformFallThrough;
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this.type = type;
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this._transform.bind(this);
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this.cache = this.requireCanvas();
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this.cache.withGameScale(true);
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}
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/**
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* 渲染函数
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* @param canvas 渲染至的画布
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* @param transform 当前变换矩阵的,渲染时已经进行变换处理,不需要对画布再次进行变换处理。
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* 此参数可用于自己对元素进行变换处理,也会用于对子元素的处理。
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* 例如对于`absolute`类型的元素,同时有对视角改变的需求,就可以通过此参数进行变换。
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* 样板内置的`Layer`及`Damage`元素就是通过此方式实现的
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*/
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protected abstract render(
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canvas: MotaOffscreenCanvas2D,
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transform: Transform
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): void;
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/**
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* 渲染当前对象
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* @param canvas 渲染至的画布
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* @param transform 由父元素传递过来的变换矩阵
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*/
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renderContent(canvas: MotaOffscreenCanvas2D, transform: Transform) {
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if (this.hidden) return;
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this.emit('beforeRender', transform);
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if (this.transformFallThrough) {
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this.fallTransform = transform;
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}
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const tran = this.transformFallThrough ? transform : this._transform;
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const ax = -this.anchorX * this.width;
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const ay = -this.anchorY * this.height;
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const ctx = canvas.ctx;
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ctx.save();
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canvas.setAntiAliasing(this.antiAliasing);
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if (this.type === 'static') transformCanvas(canvas, tran);
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ctx.filter = this.filter;
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ctx.globalAlpha = this.alpha;
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ctx.globalCompositeOperation = this.composite;
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if (this.enableCache) {
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const { width, height, ctx } = this.cache;
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if (this.cacheDirty) {
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const { canvas } = this.cache;
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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this.render(this.cache, tran);
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this.cacheDirty = false;
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}
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canvas.ctx.drawImage(this.cache.canvas, ax, ay, width, height);
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} else {
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this.cacheDirty = false;
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canvas.ctx.translate(ax, ay);
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this.render(canvas, tran);
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}
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ctx.restore();
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this.emit('afterRender', transform);
|
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}
|
||
|
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/**
|
||
* 申请一个 `MotaOffscreenCanvas2D`,即申请一个画布
|
||
* @param alpha 是否启用画布的 alpha 通道
|
||
*/
|
||
protected requireCanvas(alpha: boolean = true) {
|
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const canvas = new MotaOffscreenCanvas2D(alpha);
|
||
this.canvases.add(canvas);
|
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return canvas;
|
||
}
|
||
|
||
//#region 修改元素属性
|
||
|
||
/**
|
||
* 修改这个对象的大小
|
||
*/
|
||
size(width: number, height: number): void {
|
||
this.width = width;
|
||
this.height = height;
|
||
this.cache.size(width, height);
|
||
this.update(this);
|
||
}
|
||
|
||
/**
|
||
* 设置这个元素的位置,等效于`transform.setTranslate(x, y)`
|
||
* @param x 横坐标
|
||
* @param y 纵坐标
|
||
*/
|
||
pos(x: number, y: number) {
|
||
this._transform.setTranslate(x, y);
|
||
this.update();
|
||
}
|
||
|
||
/**
|
||
* 设置本元素的滤镜
|
||
* @param filter 滤镜
|
||
*/
|
||
setFilter(filter: string) {
|
||
this.filter = filter;
|
||
this.update(this);
|
||
}
|
||
|
||
/**
|
||
* 设置本元素渲染时的混合方式
|
||
* @param composite 混合方式
|
||
*/
|
||
setComposite(composite: GlobalCompositeOperation) {
|
||
this.composite = composite;
|
||
this.update();
|
||
}
|
||
|
||
/**
|
||
* 设置本元素的不透明度
|
||
* @param alpha 不透明度
|
||
*/
|
||
setAlpha(alpha: number) {
|
||
this.alpha = alpha;
|
||
this.update();
|
||
}
|
||
|
||
setHD(hd: boolean): void {
|
||
this.highResolution = hd;
|
||
this.cache.setHD(hd);
|
||
this.update(this);
|
||
}
|
||
|
||
setAntiAliasing(anti: boolean): void {
|
||
this.antiAliasing = anti;
|
||
this.cache.setAntiAliasing(anti);
|
||
this.update(this);
|
||
}
|
||
|
||
setZIndex(zIndex: number) {
|
||
this.zIndex = zIndex;
|
||
this.parent?.requestSort();
|
||
}
|
||
|
||
setAnchor(x: number, y: number): void {
|
||
this.anchorX = x;
|
||
this.anchorY = y;
|
||
this.update();
|
||
}
|
||
|
||
/**
|
||
* 隐藏这个元素
|
||
*/
|
||
hide() {
|
||
if (this.hidden) return;
|
||
this.hidden = true;
|
||
this.update(this);
|
||
}
|
||
|
||
/**
|
||
* 显示这个元素
|
||
*/
|
||
show() {
|
||
if (!this.hidden) return;
|
||
this.hidden = false;
|
||
this.refreshAllChildren();
|
||
}
|
||
|
||
//#endregion
|
||
|
||
/**
|
||
* 获取当前元素的绝对位置(不建议使用,因为应当很少会有获取绝对位置的需求)
|
||
*/
|
||
getAbsolutePosition(x: number = 0, y: number = 0): LocArr {
|
||
if (this.type === 'absolute') {
|
||
if (this.parent) return this.parent.getAbsolutePosition(0, 0);
|
||
else return [0, 0];
|
||
}
|
||
const [px, py] = this._transform.transformed(x, y);
|
||
if (!this.parent) return [px, py];
|
||
else {
|
||
const [px, py] = this.parent.getAbsolutePosition();
|
||
return [x + px, y + py];
|
||
}
|
||
}
|
||
|
||
update(item: RenderItem<any> = this): void {
|
||
if (this.cacheDirty) return;
|
||
this.cacheDirty = true;
|
||
if (this.hidden) return;
|
||
this.parent?.update(item);
|
||
}
|
||
|
||
//#region 动画帧与 ticker
|
||
|
||
requestBeforeFrame(fn: () => void): void {
|
||
beforeFrame.push(fn);
|
||
}
|
||
|
||
requestAfterFrame(fn: () => void): void {
|
||
afterFrame.push(fn);
|
||
}
|
||
|
||
requestRenderFrame(fn: () => void): void {
|
||
renderFrame.push(fn);
|
||
}
|
||
|
||
delegateTicker(fn: TickerFn, time?: number, end?: () => void): number {
|
||
const id = RenderItem.tickerId++;
|
||
if (typeof time === 'number' && time === 0) return id;
|
||
const delegation: TickerDelegation = {
|
||
fn,
|
||
endFn: end
|
||
};
|
||
RenderItem.tickerMap.set(id, delegation);
|
||
if (typeof time === 'number' && time < 2147438647 && time > 0) {
|
||
delegation.timeout = window.setTimeout(() => {
|
||
RenderItem.tickerMap.delete(id);
|
||
end?.();
|
||
}, time);
|
||
}
|
||
return id;
|
||
}
|
||
|
||
removeTicker(id: number, callEnd: boolean = true): boolean {
|
||
const delegation = RenderItem.tickerMap.get(id);
|
||
if (!delegation) return false;
|
||
RenderItem.ticker.remove(delegation.fn);
|
||
window.clearTimeout(delegation.timeout);
|
||
if (callEnd) delegation.endFn?.();
|
||
RenderItem.tickerMap.delete(id);
|
||
return true;
|
||
}
|
||
|
||
hasTicker(id: number): boolean {
|
||
return RenderItem.tickerMap.has(id);
|
||
}
|
||
|
||
//#endregion
|
||
|
||
//#region 父子关系
|
||
|
||
checkRoot() {
|
||
if (this._root) return this._root;
|
||
if (this.isRoot) return this;
|
||
let ele: RenderItem = this;
|
||
while (!ele.isRoot) {
|
||
if (ele._root) {
|
||
this._root = ele._root;
|
||
return this._root;
|
||
}
|
||
if (!ele._parent) {
|
||
return null;
|
||
} else {
|
||
ele = ele._parent;
|
||
}
|
||
}
|
||
this._root = ele as RenderItem & IRenderTreeRoot;
|
||
return ele;
|
||
}
|
||
|
||
/**
|
||
* 刷新所有子元素
|
||
*/
|
||
refreshAllChildren() {
|
||
if (this.children.size > 0) {
|
||
const stack: RenderItem[] = [this];
|
||
while (stack.length > 0) {
|
||
const item = stack.pop();
|
||
if (!item) continue;
|
||
item.cacheDirty = true;
|
||
item.children.forEach(v => stack.push(v));
|
||
}
|
||
}
|
||
this.update(this);
|
||
}
|
||
|
||
/**
|
||
* 将这个渲染元素添加到其他父元素上
|
||
* @param parent 父元素
|
||
*/
|
||
append(parent: RenderItem) {
|
||
this.remove();
|
||
parent.children.add(this);
|
||
this._parent = parent;
|
||
parent.requestSort();
|
||
this.update();
|
||
this.checkRoot();
|
||
this._root?.connect(this);
|
||
this.canvases.forEach(v => v.activate());
|
||
}
|
||
|
||
/**
|
||
* 从渲染树中移除这个节点
|
||
* @returns 是否移除成功
|
||
*/
|
||
remove(): boolean {
|
||
if (!this.parent) return false;
|
||
const parent = this.parent;
|
||
const success = parent.children.delete(this);
|
||
this._parent = void 0;
|
||
parent.requestSort();
|
||
parent.update();
|
||
this.canvases.forEach(v => v.deactivate());
|
||
if (!success) return false;
|
||
this._root?.disconnect(this);
|
||
this._root = void 0;
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* 添加子元素,默认没有任何行为且会抛出警告,你需要在自己的RenderItem继承类中复写它,才可以使用
|
||
* @param child 子元素
|
||
*/
|
||
appendChild(..._child: RenderItem<any>[]): void {
|
||
logger.warn(35);
|
||
}
|
||
|
||
/**
|
||
* 移除子元素,默认没有任何行为且会抛出警告,你需要在自己的RenderItem继承类中复写它,才可以使用
|
||
* @param child 子元素
|
||
*/
|
||
removeChild(..._child: RenderItem<any>[]): void {
|
||
logger.warn(36);
|
||
}
|
||
|
||
/**
|
||
* 申请对元素进行排序,默认没有任何行为且会抛出警告,你需要在自己的RenderItem继承类中复写它,才可以使用
|
||
*/
|
||
requestSort(): void {
|
||
logger.warn(37);
|
||
}
|
||
|
||
//#endregion
|
||
|
||
//#region 交互事件
|
||
|
||
/**
|
||
* 根据事件类型和事件阶段获取事件名称
|
||
* @param type 事件类型
|
||
* @param progress 事件阶段
|
||
*/
|
||
getEventName(
|
||
type: ActionType,
|
||
progress: EventProgress
|
||
): keyof ERenderItemActionEvent {
|
||
if (progress === EventProgress.Capture) {
|
||
return `${eventNameMap[type]}Capture` as keyof ERenderItemActionEvent;
|
||
} else {
|
||
return eventNameMap[type] as keyof ERenderItemActionEvent;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 传递事件,即将事件传递给父元素或子元素等,可以通过 override 来实现自己的事件传递,
|
||
* 例如 Container 元素就需要在捕获阶段将事件传递给所有子元素,
|
||
* 默认行为是,捕获阶段触发自身冒泡,冒泡阶段触发父元素冒泡,适用于大部分不包含子元素的元素
|
||
* @param type 事件类型
|
||
* @param progress 事件阶段,捕获阶段或冒泡阶段
|
||
* @param event 正在处理的事件对象
|
||
*/
|
||
protected propagateEvent<T extends ActionType>(
|
||
type: T,
|
||
progress: EventProgress,
|
||
event: ActionEventMap[T]
|
||
): void {
|
||
if (progress === EventProgress.Capture) {
|
||
this.bubbleEvent(type, event);
|
||
} else {
|
||
this.parent?.bubbleEvent(type, event);
|
||
}
|
||
}
|
||
|
||
private handleEvent<T extends ActionType>(
|
||
type: T,
|
||
progress: EventProgress,
|
||
event: ActionEventMap[T]
|
||
) {
|
||
const ev = this.processEvent(type, progress, event);
|
||
if (ev) {
|
||
const name = this.getEventName(type, progress);
|
||
this.emit(name, ev);
|
||
if (!this.propagationStoped.get(type)) {
|
||
this.propagateEvent(type, progress, ev);
|
||
}
|
||
}
|
||
this.propagationStoped.set(type, false);
|
||
return ev;
|
||
}
|
||
|
||
/**
|
||
* 捕获事件
|
||
* @param type 事件类型
|
||
* @param event 由父元素传递来的事件
|
||
*/
|
||
captureEvent<T extends ActionType>(type: T, event: ActionEventMap[T]) {
|
||
return this.handleEvent(type, EventProgress.Capture, event);
|
||
}
|
||
|
||
/**
|
||
* 冒泡事件
|
||
* @param type 事件类型
|
||
* @param event 由子元素传递来的事件
|
||
*/
|
||
bubbleEvent<T extends ActionType>(type: T, event: ActionEventMap[T]) {
|
||
return this.handleEvent(type, EventProgress.Bubble, event);
|
||
}
|
||
|
||
/**
|
||
* 处理事件,用于根据上一级传递的事件内容生成新的事件内容,并执行一些事件的默认行为
|
||
* @param type 事件类型
|
||
* @param progress 事件阶段,捕获阶段还是冒泡阶段
|
||
* @param event 由上一级(捕获阶段的父元素,冒泡阶段的子元素)传递来的事件内容
|
||
*/
|
||
protected processEvent<T extends ActionType>(
|
||
type: T,
|
||
progress: EventProgress,
|
||
event: ActionEventMap[T]
|
||
): ActionEventMap[T] | null {
|
||
if (progress === EventProgress.Capture) {
|
||
// 捕获阶段需要计算鼠标位置
|
||
const tran = this.transformFallThrough
|
||
? this.fallTransform
|
||
: this._transform;
|
||
if (!tran) return null;
|
||
const [nx, ny] = this.calActionPosition(event, tran);
|
||
const inElement = this.isActionInElement(nx, ny);
|
||
// 在元素范围内,执行事件
|
||
const newEvent: ActionEventMap[T] = {
|
||
...event,
|
||
offsetX: nx,
|
||
offsetY: ny,
|
||
target: this,
|
||
stopPropagation: () => {
|
||
this.propagationStoped.set(type, true);
|
||
}
|
||
};
|
||
this.inElement = inElement;
|
||
if (!this.processCapture(type, newEvent, inElement)) return null;
|
||
this.cachedEvent.set(type, newEvent);
|
||
return newEvent;
|
||
} else {
|
||
const newEvent = this.cachedEvent.get(type) as ActionEventMap[T];
|
||
this.processBubble(type, newEvent, this.inElement);
|
||
this.cachedEvent.delete(type);
|
||
return newEvent;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 处理捕获阶段的事件,可以通过 override 来添加新内容,注意调用 `super.processCapture` 来执行默认行为
|
||
* @param type 事件类型
|
||
* @param event 正在处理的事件对象
|
||
* @param inElement 当前鼠标是否在元素内
|
||
* @returns 是否继续传递事件
|
||
*/
|
||
protected processCapture<T extends ActionType>(
|
||
type: T,
|
||
event: ActionEventMap[T],
|
||
inElement: boolean
|
||
): boolean {
|
||
switch (type) {
|
||
case ActionType.Move: {
|
||
if (inElement) {
|
||
this._root?.hoverElement(this);
|
||
}
|
||
if (this.hovered && !inElement) {
|
||
this.hovered = false;
|
||
this.emit('leaveCapture', event);
|
||
this.emit('leave', event);
|
||
return false;
|
||
} else if (!this.hovered && inElement) {
|
||
this.hovered = true;
|
||
this.emit('enterCapture', event);
|
||
this.emit('enter', event);
|
||
return true;
|
||
}
|
||
break;
|
||
}
|
||
case ActionType.Down: {
|
||
// 记录标识符,用于判定 click
|
||
if (!inElement) return false;
|
||
if (event.touch) {
|
||
this.touchId.add(event.identifier);
|
||
} else {
|
||
this.mouseId.set(event.type, event.identifier);
|
||
}
|
||
break;
|
||
}
|
||
case ActionType.Click: {
|
||
if (!inElement) return false;
|
||
if (event.touch) {
|
||
if (!this.touchId.has(event.identifier)) {
|
||
return false;
|
||
}
|
||
this.touchId.delete(event.identifier);
|
||
} else {
|
||
if (this.mouseId.get(event.type) !== event.identifier) {
|
||
this.mouseId.delete(event.type);
|
||
return false;
|
||
}
|
||
this.mouseId.delete(event.type);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
return inElement;
|
||
}
|
||
|
||
/**
|
||
* 处理冒泡阶段的事件,可以通过 override 来添加新内容,注意调用 `super.processBubble` 来执行默认行为
|
||
* @param type 事件类型
|
||
* @param event 正在处理的事件对象
|
||
* @param inElement 当前鼠标是否在元素内
|
||
* @returns 是否继续传递事件
|
||
*/
|
||
protected processBubble<T extends ActionType>(
|
||
_type: T,
|
||
_event: ActionEventMap[T],
|
||
inElement: boolean
|
||
): boolean {
|
||
return inElement;
|
||
}
|
||
|
||
/**
|
||
* 计算一个点击事件在该元素上的位置
|
||
* @param event 触发的事件
|
||
* @param transform 当前的变换矩阵
|
||
*/
|
||
protected calActionPosition(
|
||
event: IActionEvent,
|
||
transform: Transform
|
||
): vec3 {
|
||
const x = event.offsetX + this.anchorX * this.width;
|
||
const y = event.offsetY + this.anchorY * this.height;
|
||
if (this.type === 'absolute') return [x, y, 0];
|
||
else return transform.untransformed(x, y);
|
||
}
|
||
|
||
/**
|
||
* 判断一个点击事件是否在元素内,可以通过 override 来修改其行为
|
||
* @param x 横坐标
|
||
* @param y 纵坐标
|
||
*/
|
||
protected isActionInElement(x: number, y: number) {
|
||
return x >= 0 && x < this.width && y >= 0 && y < this.height;
|
||
}
|
||
|
||
actionClick() {}
|
||
|
||
actionDown() {}
|
||
|
||
actionUp() {}
|
||
|
||
actionMove() {}
|
||
|
||
actionEnter() {}
|
||
|
||
actionLeave() {}
|
||
|
||
actionWheel() {}
|
||
|
||
//#endregion
|
||
|
||
//#region vue支持 props处理
|
||
|
||
/**
|
||
* 判断一个prop是否是期望类型
|
||
* @param value 实际值
|
||
* @param expected 期望类型
|
||
* @param key 键名
|
||
*/
|
||
protected assertType(value: any, expected: string, key: string): boolean;
|
||
/**
|
||
* 判断一个prop是否是期望类型
|
||
* @param value 实际值
|
||
* @param expected 期望类型
|
||
* @param key 键名
|
||
*/
|
||
protected assertType<T>(
|
||
value: any,
|
||
expected: new (...params: any[]) => T,
|
||
key: string
|
||
): value is T;
|
||
protected assertType(
|
||
value: any,
|
||
expected: string | (new (...params: any[]) => any),
|
||
key: string
|
||
) {
|
||
if (typeof expected === 'string') {
|
||
const type = typeof value;
|
||
if (type !== expected) {
|
||
logger.error(21, key, expected, type);
|
||
return false;
|
||
} else {
|
||
return true;
|
||
}
|
||
} else {
|
||
if (value instanceof expected) {
|
||
return true;
|
||
} else {
|
||
logger.error(
|
||
21,
|
||
key,
|
||
expected.name,
|
||
value?.constructor?.name ?? typeof value
|
||
);
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 解析事件key
|
||
* @param key 键名
|
||
* @returns 返回字符串表示解析后的键名,返回布尔值表示不是事件
|
||
*/
|
||
protected parseEvent(key: string): string | false {
|
||
if (key.startsWith('on')) {
|
||
const code = key.charCodeAt(2);
|
||
if (code >= 65 && code <= 90) {
|
||
return key[2].toLowerCase() + key.slice(3);
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
patchProp(
|
||
key: string,
|
||
prevValue: any,
|
||
nextValue: any,
|
||
_namespace?: ElementNamespace,
|
||
_parentComponent?: ComponentInternalInstance | null
|
||
): void {
|
||
if (isNil(prevValue) && isNil(nextValue)) return;
|
||
switch (key) {
|
||
case 'x': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.pos(nextValue, this._transform.y);
|
||
return;
|
||
}
|
||
case 'y': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.pos(this._transform.x, nextValue);
|
||
return;
|
||
}
|
||
case 'anchorX': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.setAnchor(nextValue, this.anchorY);
|
||
return;
|
||
}
|
||
case 'anchorY': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.setAnchor(this.anchorX, nextValue);
|
||
return;
|
||
}
|
||
case 'zIndex': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.setZIndex(nextValue);
|
||
return;
|
||
}
|
||
case 'width': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.size(nextValue, this.height);
|
||
return;
|
||
}
|
||
case 'height': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.size(this.width, nextValue);
|
||
return;
|
||
}
|
||
case 'filter': {
|
||
if (!this.assertType(nextValue, 'string', key)) return;
|
||
this.setFilter(this.filter);
|
||
return;
|
||
}
|
||
case 'hd': {
|
||
if (!this.assertType(nextValue, 'boolean', key)) return;
|
||
this.setHD(nextValue);
|
||
return;
|
||
}
|
||
case 'antiAliasing': {
|
||
if (!this.assertType(nextValue, 'boolean', key)) return;
|
||
this.setAntiAliasing(nextValue);
|
||
return;
|
||
}
|
||
case 'hidden': {
|
||
if (!this.assertType(nextValue, 'boolean', key)) return;
|
||
if (nextValue) this.hide();
|
||
else this.show();
|
||
return;
|
||
}
|
||
case 'transform': {
|
||
if (!this.assertType(nextValue, Transform, key)) return;
|
||
this.transform = nextValue;
|
||
this.update();
|
||
return;
|
||
}
|
||
case 'type': {
|
||
if (!this.assertType(nextValue, 'string', key)) return;
|
||
this.type = nextValue;
|
||
this.update();
|
||
return;
|
||
}
|
||
case 'id': {
|
||
if (!this.assertType(nextValue, 'string', key)) return;
|
||
this.id = nextValue;
|
||
return;
|
||
}
|
||
case 'alpha': {
|
||
if (!this.assertType(nextValue, 'number', key)) return;
|
||
this.setAlpha(nextValue);
|
||
return;
|
||
}
|
||
case 'composite': {
|
||
if (!this.assertType(nextValue, 'string', key)) return;
|
||
this.setComposite(nextValue);
|
||
return;
|
||
}
|
||
case 'loc': {
|
||
if (!this.assertType(nextValue, Array, key)) return;
|
||
if (!isNil(nextValue[0]) && !isNil(nextValue[1])) {
|
||
this.pos(nextValue[0] as number, nextValue[1] as number);
|
||
}
|
||
if (!isNil(nextValue[2]) && !isNil(nextValue[3])) {
|
||
this.size(nextValue[2] as number, nextValue[3] as number);
|
||
}
|
||
if (!isNil(nextValue[4]) && !isNil(nextValue[5])) {
|
||
this.setAnchor(
|
||
nextValue[4] as number,
|
||
nextValue[5] as number
|
||
);
|
||
}
|
||
return;
|
||
}
|
||
case 'anc': {
|
||
if (!this.assertType(nextValue, Array, key)) return;
|
||
this.setAnchor(nextValue[0] as number, nextValue[1] as number);
|
||
return;
|
||
}
|
||
case 'cursor': {
|
||
if (!this.assertType(nextValue, 'string', key)) return;
|
||
this.cursor = nextValue;
|
||
return;
|
||
}
|
||
}
|
||
const ev = this.parseEvent(key);
|
||
if (ev) {
|
||
if (prevValue) {
|
||
this.off(ev as keyof ERenderItemEvent, prevValue);
|
||
}
|
||
this.on(ev as keyof ERenderItemEvent, nextValue);
|
||
}
|
||
}
|
||
|
||
//#endregion
|
||
|
||
/**
|
||
* 摧毁这个渲染元素,摧毁后不应继续使用
|
||
*/
|
||
destroy(): void {
|
||
this.remove();
|
||
this.emit('destroy');
|
||
this.removeAllListeners();
|
||
this.cache.delete();
|
||
}
|
||
}
|
||
|
||
RenderItem.ticker.add(time => {
|
||
// slice 是为了让函数里面的 request 进入下一帧执行
|
||
if (beforeFrame.length > 0) {
|
||
const arr = beforeFrame.slice();
|
||
beforeFrame.splice(0);
|
||
arr.forEach(v => v());
|
||
}
|
||
RenderItem.tickerMap.forEach(v => {
|
||
v.fn(time);
|
||
});
|
||
if (renderFrame.length > 0) {
|
||
const arr = renderFrame.slice();
|
||
renderFrame.splice(0);
|
||
arr.forEach(v => v());
|
||
}
|
||
if (afterFrame.length > 0) {
|
||
const arr = afterFrame.slice();
|
||
afterFrame.splice(0);
|
||
arr.forEach(v => v());
|
||
}
|
||
});
|