fix: absolute 模式的渲染元素的位置判定

pnpm-lock.yaml

@@ -2549,8 +2549,8 @@ packages:
     resolution: {integrity: sha512-Gmy6FhYlCY7uOElZUSbxo2UCDH8owEk996gkbrpsgGtrJLM3J7jGxl9Ic7Qwwj4ivOE5AWZWRMecDdF7hqGjFA==}
     engines: {node: '>=10'}
 
-  caniuse-lite@1.0.30001651:
+  caniuse-lite@1.0.30001700:
-    resolution: {integrity: sha512-9Cf+Xv1jJNe1xPZLGuUXLNkE1BoDkqRqYyFJ9TDYSqhduqA4hu4oR9HluGoWYQC/aj8WHjsGVV+bwkh0+tegRg==}
+    resolution: {integrity: sha512-2S6XIXwaE7K7erT8dY+kLQcpa5ms63XlRkMkReXjle+kf6c5g38vyMl+Z5y8dSxOFDhcFe+nxnn261PLxBSQsQ==}
 
   ccount@2.0.1:
     resolution: {integrity: sha512-eyrF0jiFpY+3drT6383f1qhkbGsLSifNAjA61IUjZjmLCWjItY6LB9ft9YhoDgwfmclB2zhu51Lc7+95b8NRAg==}
@@ -7241,7 +7241,7 @@ snapshots:
   autoprefixer@10.4.20(postcss@8.4.49):
     dependencies:
       browserslist: 4.23.3
-      caniuse-lite: 1.0.30001651
+      caniuse-lite: 1.0.30001700
       fraction.js: 4.3.7
       normalize-range: 0.1.2
       picocolors: 1.0.1
@@ -7320,7 +7320,7 @@ snapshots:
 
   browserslist@4.23.3:
     dependencies:
-      caniuse-lite: 1.0.30001651
+      caniuse-lite: 1.0.30001700
       electron-to-chromium: 1.5.11
       node-releases: 2.0.18
       update-browserslist-db: 1.1.0(browserslist@4.23.3)
@@ -7395,7 +7395,7 @@ snapshots:
 
   camelcase@6.3.0: {}
 
-  caniuse-lite@1.0.30001651: {}
+  caniuse-lite@1.0.30001700: {}
 
   ccount@2.0.1: {}
 

src/core/render/container.ts

@@ -1,4 +1,5 @@
 import { MotaOffscreenCanvas2D } from '../fx/canvas2d';
+import { ActionType, EventProgress, ActionEventMap } from './event';
 import {
     ERenderItemEvent,
     IRenderChildable,
@@ -77,12 +78,58 @@ export class Container<E extends EContainerEvent = EContainerEvent>
         this.update(this);
     }
 
+    append(parent: RenderItem): void {
+        super.append(parent);
+        if (this.root) {
+            this.forEachChild(ele => {
+                ele.checkRoot();
+                this.root?.connect(ele);
+            });
+        }
+    }
+
+    /**
+     * 遍历这个元素中的每个子元素，并执行传入的函数
+     * @param fn 对每个元素执行的函数
+     */
+    forEachChild(fn: (ele: RenderItem) => void) {
+        const stack: RenderItem[] = [this];
+        while (stack.length > 0) {
+            const ele = stack.pop()!;
+            stack.push(...ele.children);
+            fn(ele);
+        }
+    }
+
     private sortChildren() {
         this.sortedChildren = [...this.children].sort(
             (a, b) => a.zIndex - b.zIndex
         );
     }
 
+    protected propagateEvent<T extends ActionType>(
+        type: T,
+        progress: EventProgress,
+        event: ActionEventMap[T]
+    ): void {
+        const len = this.sortedChildren.length;
+        if (progress === EventProgress.Capture) {
+            let success = false;
+            for (let i = len - 1; i >= 0; i--) {
+                if (this.sortedChildren[i].captureEvent(type, event)) {
+                    success = true;
+                    break;
+                }
+            }
+            // 如果没有子元素能够触发，那么自身触发冒泡
+            if (!success) {
+                this.bubbleEvent(type, event);
+            }
+        } else {
+            this.parent?.bubbleEvent(type, event);
+        }
+    }
+
     destroy(): void {
         super.destroy();
         this.children.forEach(v => {

src/core/render/event.ts

@@ -0,0 +1,155 @@
+import type { RenderItem } from './item';
+
+export const enum MouseType {
+    /** 没有按键按下 */
+    None = 0,
+    /** 左键 */
+    Left = 1 << 0,
+    /** 中键，即按下滚轮 */
+    Middle = 1 << 1,
+    /** 右键 */
+    Right = 1 << 2,
+    /** 侧键后退 */
+    Back = 1 << 3,
+    /** 侧键前进 */
+    Forward = 1 << 4
+}
+
+export const enum WheelType {
+    None,
+    /** 以像素为单位 */
+    Pixel,
+    /** 以行为单位，每行长度视浏览器设置而定，约为 1rem */
+    Line,
+    /** 以页为单位，一般为一个屏幕高度 */
+    Page
+}
+
+export const enum ActionType {
+    /** 点击事件，即按下与抬起都在该元素上时触发 */
+    Click,
+    /** 鼠标或手指按下事件 */
+    Down,
+    /** 鼠标或手指移动事件 */
+    Move,
+    /** 鼠标或手指抬起事件 */
+    Up,
+    /** 鼠标或手指移动入该元素时触发的事件 */
+    Enter,
+    /** 鼠标或手指移出该元素时触发的事件 */
+    Leave,
+    /** 鼠标在该元素上滚轮时触发的事件 */
+    Wheel
+}
+
+export const enum EventProgress {
+    /** 捕获阶段 */
+    Capture,
+    /** 冒泡阶段 */
+    Bubble
+}
+
+export interface IActionEvent {
+    /** 当前事件是监听的哪个元素 */
+    target: RenderItem;
+    /** 这次操作的标识符，在按下、移动、抬起阶段中保持不变 */
+    identifier: number;
+    /** 是触摸操作还是鼠标操作 */
+    touch: boolean;
+    /** 相对于触发元素左上角的横坐标 */
+    offsetX: number;
+    /** 相对于触发元素左上角的纵坐标 */
+    offsetY: number;
+    /** 相对于整个画布左上角的横坐标 */
+    absoluteX: number;
+    /** 相对于整个画布左上角的纵坐标 */
+    absoluteY: number;
+    /**
+     * 触发的按键种类，会出现在点击、按下、抬起三个事件中，而其他的如移动等该值只会是 {@link MouseType.None}，
+     * 电脑端可以有左键、中键、右键等，手机只会触发左键，每一项的值参考 {@link MouseType}
+     */
+    type: MouseType;
+    /**
+     * 当前按下了哪些按键。该值是一个数字，可以通过位运算判断是否按下了某个按键。
+     * 例如通过 `buttons & MouseType.Left` 来判断是否按下了左键。
+     * 注意在鼠标抬起或鼠标点击事件中，并不会包含触发的那个按键
+     */
+    buttons: number;
+    /** 触发时是否按下了 alt 键 */
+    altKey: boolean;
+    /** 触发时是否按下了 shift 键 */
+    shiftKey: boolean;
+    /** 触发时是否按下了 ctrl 键 */
+    ctrlKey: boolean;
+    /** 触发时是否按下了 Windows(Windows) / Command(Mac) 键 */
+    metaKey: boolean;
+
+    /**
+     * 调用后将停止事件的继续传播。
+     * 在捕获阶段，将会阻止捕获的进一步进行，在冒泡阶段，将会阻止冒泡的进一步进行。
+     * 如果当前元素有很多监听器，该方法并不会阻止其他监听器的执行。
+     */
+    stopPropagation(): void;
+}
+
+export interface IWheelEvent extends IActionEvent {
+    /** 滚轮事件的鼠标横向滚动量 */
+    wheelX: number;
+    /** 滚轮事件的鼠标纵向滚动量 */
+    wheelY: number;
+    /** 滚轮事件的鼠标垂直屏幕的滚动量 */
+    wheelZ: number;
+    /** 滚轮事件的滚轮类型，表示了对应值的单位 */
+    wheelType: WheelType;
+}
+
+export interface ERenderItemActionEvent {
+    /** 当这个元素被点击时的捕获阶段触发 */
+    clickCapture: [ev: Readonly<IActionEvent>];
+    /** 当这个元素被点击时的冒泡阶段触发 */
+    click: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指在该元素上按下的捕获阶段触发 */
+    downCapture: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指在该元素上按下的冒泡阶段触发 */
+    down: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指在该元素上移动的捕获阶段触发 */
+    moveCapture: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指在该元素上移动的冒泡阶段触发 */
+    move: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指在该元素上抬起的捕获阶段触发 */
+    upCapture: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指在该元素上抬起的冒泡阶段触发 */
+    up: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指进入该元素的捕获阶段触发 */
+    enterCapture: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指进入该元素的冒泡阶段触发 */
+    enter: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指离开该元素的捕获阶段触发 */
+    leaveCapture: [ev: Readonly<IActionEvent>];
+    /** 当鼠标或手指离开该元素的冒泡阶段触发 */
+    leave: [ev: Readonly<IActionEvent>];
+    /** 当鼠标滚轮时的捕获阶段触发 */
+    wheelCapture: [ev: Readonly<IWheelEvent>];
+    /** 当鼠标滚轮时的冒泡阶段触发 */
+    wheel: [ev: Readonly<IWheelEvent>];
+}
+
+export interface ActionEventMap {
+    [ActionType.Click]: IActionEvent;
+    [ActionType.Down]: IActionEvent;
+    [ActionType.Enter]: IActionEvent;
+    [ActionType.Leave]: IActionEvent;
+    [ActionType.Move]: IActionEvent;
+    [ActionType.Up]: IActionEvent;
+    [ActionType.Wheel]: IWheelEvent;
+}
+
+export const eventNameMap: Record<ActionType, string> = {
+    [ActionType.Click]: 'click',
+    [ActionType.Down]: 'down',
+    [ActionType.Move]: 'move',
+    [ActionType.Up]: 'up',
+    [ActionType.Enter]: 'enter',
+    [ActionType.Leave]: 'leave',
+    [ActionType.Wheel]: 'wheel'
+};

src/core/render/item.ts

@@ -6,6 +6,16 @@ import { Transform } from './transform';
 import { logger } from '../common/logger';
 import { ElementNamespace, ComponentInternalInstance } from 'vue';
 import { transformCanvas } from './utils';
+import {
+    ActionEventMap,
+    ActionType,
+    ERenderItemActionEvent,
+    eventNameMap,
+    EventProgress,
+    IActionEvent,
+    MouseType
+} from './event';
+import { vec3 } from 'gl-matrix';
 
 export type RenderFunction = (
     canvas: MotaOffscreenCanvas2D,
@@ -140,114 +150,39 @@ export interface IRenderVueSupport {
     ): void;
 }
 
-export const enum MouseType {
+export interface IRenderTreeRoot {
-    /** 没有按键按下 */
+    readonly isRoot: true;
-    None = 0,
-    /** 左键 */
-    Left = 1 << 0,
-    /** 中键，即按下滚轮 */
-    Middle = 1 << 1,
-    /** 右键 */
-    Right = 1 << 2,
-    /** 侧键后退 */
-    Back = 1 << 3,
-    /** 侧键前进 */
-    Forward = 1 << 4
-}
-
-export const enum WheelType {
-    None,
-    /** 以像素为单位 */
-    Pixel,
-    /** 以行为单位，每行长度视浏览器设置而定，约为 1rem */
-    Line,
-    /** 以页为单位，一般为一个屏幕高度 */
-    Page
-}
-
-export interface IActionEvent {
-    /** 当前事件是监听的哪个元素 */
-    readonly target: RenderItem;
-    /** 这次操作的标识符，在按下、移动、抬起阶段中保持不变 */
-    readonly identifier: number;
-    /** 相对于触发元素左上角的横坐标 */
-    readonly offsetX: number;
-    /** 相对于触发元素左上角的纵坐标 */
-    readonly offsetY: number;
-    /** 相对于整个画布左上角的横坐标 */
-    readonly absoluteX: number;
-    /** 相对于整个画布左上角的纵坐标 */
-    readonly absoluteY: number;
-    /**
-     * 触发的按键种类，会出现在点击、按下、抬起三个事件中，而其他的如移动等该值只会是 {@link MouseType.None}，
-     * 电脑端可以有左键、中键、右键等，手机只会触发左键，每一项的值参考 {@link MouseType}
-     */
-    readonly type: MouseType;
-    /**
-     * 当前按下了哪些按键。该值是一个数字，可以通过位运算判断是否按下了某个按键。
-     * 例如通过 `buttons & MouseType.Left` 来判断是否按下了左键。
-     */
-    readonly buttons: number;
-    /** 触发时是否按下了 alt 键 */
-    readonly altKey: boolean;
-    /** 触发时是否按下了 shift 键 */
-    readonly shiftKey: boolean;
-    /** 触发时是否按下了 ctrl 键 */
-    readonly ctrlKey: boolean;
-    /** 触发时是否按下了 Windows(Windows) / Command(Mac) 键 */
-    readonly metaKey: boolean;
 
     /**
-     * 调用后将停止事件的继续传播。
+     * 将一个渲染元素连接到此根元素
-     * 在捕获阶段，将会阻止捕获的进一步进行，在冒泡阶段，将会阻止冒泡的进一步进行。
+     * @param item 要连接到此根元素的渲染元素
-     * 如果当前元素有很多监听器，该方法并不会阻止其他监听器的执行。
      */
-    stopPropagation(): void;
+    connect(item: RenderItem): void;
+
+    /**
+     * 将已连接的渲染元素从此根元素中去掉
+     * @param item 要取消连接的渲染元素
+     */
+    disconnect(item: RenderItem): void;
+
+    /**
+     * 修改已连接的元素的 id
+     * @param item 修改了 id 的元素
+     * @param previous 先前的元素 id
+     * @param current 现在的元素 id
+     */
+    modifyId(item: RenderItem, previous: string, current: string): void;
+
+    /**
+     * 获取渲染至的目标画布，即显示在画面上的画布
+     */
+    getCanvas(): HTMLCanvasElement;
 }
 
-export interface IWheelEvent extends IActionEvent {
+export interface ERenderItemEvent extends ERenderItemActionEvent {
-    /** 滚轮事件的鼠标横向滚动量 */
-    readonly wheelX: number;
-    /** 滚轮事件的鼠标纵向滚动量 */
-    readonly wheelY: number;
-    /** 滚轮事件的鼠标垂直屏幕的滚动量 */
-    readonly wheelZ: number;
-    /** 滚轮事件的滚轮类型，表示了对应值的单位 */
-    readonly wheelType: WheelType;
-}
-
-export interface ERenderItemEvent {
     beforeRender: [transform: Transform];
     afterRender: [transform: Transform];
     destroy: [];
-    /** 当这个元素被点击时的捕获阶段触发 */
-    clickCapture: [ev: IActionEvent];
-    /** 当这个元素被点击时的冒泡阶段触发 */
-    click: [ev: IActionEvent];
-    /** 当鼠标或手指在该元素上按下的捕获阶段触发 */
-    downCapture: [ev: IActionEvent];
-    /** 当鼠标或手指在该元素上按下的冒泡阶段触发 */
-    down: [ev: IActionEvent];
-    /** 当鼠标或手指在该元素上移动的捕获阶段触发 */
-    moveCapture: [ev: IActionEvent];
-    /** 当鼠标或手指在该元素上移动的冒泡阶段触发 */
-    move: [ev: IActionEvent];
-    /** 当鼠标或手指在该元素上抬起的捕获阶段触发 */
-    upCapture: [ev: IActionEvent];
-    /** 当鼠标或手指在该元素上抬起的冒泡阶段触发 */
-    up: [ev: IActionEvent];
-    /** 当鼠标或手指进入该元素的捕获阶段触发 */
-    enterCapture: [ev: IActionEvent];
-    /** 当鼠标或手指进入该元素的冒泡阶段触发 */
-    enter: [ev: IActionEvent];
-    /** 当鼠标或手指离开该元素的捕获阶段触发 */
-    leaveCapture: [ev: IActionEvent];
-    /** 当鼠标或手指离开该元素的冒泡阶段触发 */
-    leave: [ev: IActionEvent];
-    /** 当鼠标滚轮时的捕获阶段触发 */
-    wheelCapture: [ev: IWheelEvent];
-    /** 当鼠标滚轮时的冒泡阶段触发 */
-    wheel: [ev: IWheelEvent];
 }
 
 interface TickerDelegation {
@@ -281,25 +216,22 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
     /** ticker委托id */
     static tickerId: number = 0;
 
-    /** id到渲染元素的映射 */
-    static itemMap: Map<string, RenderItem> = new Map();
-
     readonly uid: number = count++;
 
-    private _id: string = '';
+    //#region 元素属性
 
+    private _id: string = '';
+    /**
+     * 元素的 id，原则上不可重复
+     */
     get id(): string {
         return this._id;
     }
     set id(v: string) {
-        if (this.isRoot || this.findRoot()) {
+        this.checkRoot();
-            if (RenderItem.itemMap.has(this._id)) {
+        const prev = this._id;
-                logger.warn(23, this._id);
-                RenderItem.itemMap.delete(this._id);
-            }
-            RenderItem.itemMap.set(v, this);
-        }
         this._id = v;
+        this._root?.modifyId(this, prev, v);
     }
 
     /** 元素纵深，表示了遮挡关系 */
@@ -328,27 +260,52 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
     /** 不透明度 */
     alpha: number = 1;
 
+    get x() {
+        return this._transform.x;
+    }
+    get y() {
+        return this._transform.y;
+    }
+
+    /** 该元素的变换矩阵 */
+    private _transform: Transform = new Transform();
+    set transform(value: Transform) {
+        this._transform.bind();
+        this._transform = value;
+        value.bind(this);
+    }
+    get transform() {
+        return this._transform;
+    }
+
+    //#endregion
+
+    //#region 父子关系
+
     private _parent?: RenderItem;
     /** 当前元素的父元素 */
     get parent() {
         return this._parent;
     }
-    /** 当前元素是否为根元素 */
+    /** 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 */
     readonly isRoot: boolean = false;
 
-    /** 该元素的变换矩阵 */
+    private _root?: RenderItem & IRenderTreeRoot;
-    transform: Transform = new Transform();
+    get root() {
+        return this._root;
+    }
+
+    /** 当前元素是否已经连接至任意根元素 */
+    get connected() {
+        return !!this._root;
+    }
 
     /** 该渲染元素的子元素 */
     children: Set<RenderItem<ERenderItemEvent>> = new Set();
 
-    get x() {
+    //#endregion
-        return this.transform.x;
-    }
-    get y() {
-        return this.transform.y;
-    }
 
+    //#region 渲染配置与缓存
     /** 渲染缓存信息 */
     protected cache: MotaOffscreenCanvas2D = new MotaOffscreenCanvas2D();
     /** 是否需要更新缓存 */
@@ -357,6 +314,26 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
     readonly enableCache: boolean = true;
     /** 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 */
     readonly transformFallThrough: boolean = false;
+    //#endregion
+
+    //#region 交互事件
+
+    /** 是否调用了 `ev.stopPropagation` */
+    protected propagationStoped: Map<ActionType, boolean> = new Map();
+    /** 捕获阶段缓存的事件对象 */
+    private cachedEvent: Map<ActionType, IActionEvent> = new Map();
+    /** 下穿模式下当前下穿过来的变换矩阵 */
+    private fallTransform?: Transform;
+    /** 鼠标当前是否覆盖在当前元素上 */
+    private hovered: boolean = false;
+    /** 是否在元素内 */
+    private inElement: boolean = false;
+    /** 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 */
+    protected mouseId: Map<MouseType, number> = new Map();
+    /** 当前所有的触摸标识符 */
+    protected touchId: Set<number> = new Set();
+
+    //#endregion
 
     constructor(
         type: RenderItemPosition,
@@ -369,22 +346,10 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         this.transformFallThrough = transformFallThrough;
         this.type = type;
 
-        this.transform.bind(this);
+        this._transform.bind(this);
         this.cache.withGameScale(true);
     }
 
-    private findRoot() {
-        let ele: RenderItem = this;
-        while (!ele.isRoot) {
-            if (!ele.parent) {
-                return null;
-            } else {
-                ele = ele.parent;
-            }
-        }
-        return ele;
-    }
-
     /**
      * 渲染函数
      * @param canvas 渲染至的画布
@@ -398,25 +363,18 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         transform: Transform
     ): void;
 
-    /**
-     * 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);
-    }
-
     /**
      * 渲染当前对象
      * @param canvas 渲染至的画布
-     * @param transform 父元素的变换矩阵
+     * @param transform 由父元素传递过来的变换矩阵
      */
     renderContent(canvas: MotaOffscreenCanvas2D, transform: Transform) {
         if (this.hidden) return;
         this.emit('beforeRender', transform);
-        const tran = this.transformFallThrough ? transform : this.transform;
+        if (this.transformFallThrough) {
+            this.fallTransform = transform;
+        }
+        const tran = this.transformFallThrough ? transform : this._transform;
 
         const ax = -this.anchorX * this.width;
         const ay = -this.anchorY * this.height;
@@ -424,8 +382,8 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         const ctx = canvas.ctx;
         ctx.save();
         canvas.setAntiAliasing(this.antiAliasing);
-        if (this.enableCache) canvas.ctx.filter = this.filter;
         if (this.type === 'static') transformCanvas(canvas, tran);
+        ctx.filter = this.filter;
         ctx.globalAlpha = this.alpha;
         ctx.globalCompositeOperation = this.composite;
         if (this.enableCache) {
@@ -447,13 +405,25 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         this.emit('afterRender', transform);
     }
 
+    //#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._transform.setTranslate(x, y);
         this.update();
     }
 
@@ -484,32 +454,6 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         this.update();
     }
 
-    /**
-     * 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(): LocArr {
-        if (this.type === 'absolute') return [0, 0];
-        const { x, y } = this.transform;
-        if (!this.parent) return [x, y];
-        else {
-            const [px, py] = this.parent.getAbsolutePosition();
-            return [x + px, y + py];
-        }
-    }
-
-    setAnchor(x: number, y: number): void {
-        this.anchorX = x;
-        this.anchorY = y;
-        this.update();
-    }
-
-    update(item: RenderItem<any> = this): void {
-        if (this.cacheDirty) return;
-        this.cacheDirty = true;
-        if (this.hidden) return;
-        this.parent?.update(item);
-    }
-
     setHD(hd: boolean): void {
         this.highResolution = hd;
         this.cache.setHD(hd);
@@ -527,6 +471,57 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         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);
     }
@@ -570,22 +565,27 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         return RenderItem.tickerMap.has(id);
     }
 
-    /**
+    //#endregion
-     * 隐藏这个元素
-     */
-    hide() {
-        if (this.hidden) return;
-        this.hidden = true;
-        this.update(this);
-    }
 
-    /**
+    //#region 父子关系
-     * 显示这个元素
+
-     */
+    checkRoot() {
-    show() {
+        if (this._root) return this._root;
-        if (!this.hidden) return;
+        if (this.isRoot) return this;
-        this.hidden = false;
+        let ele: RenderItem = this;
-        this.refreshAllChildren();
+        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;
     }
 
     /**
@@ -614,11 +614,8 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         this._parent = parent;
         parent.requestSort();
         this.update();
-        if (this._id !== '') {
+        this.checkRoot();
-            const root = this.findRoot();
+        this._root?.connect(this);
-            if (!root) return;
-            RenderItem.itemMap.set(this._id, this);
-        }
     }
 
     /**
@@ -633,7 +630,8 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         parent.requestSort();
         parent.update();
         if (!success) return false;
-        RenderItem.itemMap.delete(this._id);
+        this._root?.disconnect(this);
+        this._root = void 0;
         return true;
     }
 
@@ -660,6 +658,237 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         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 (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
@@ -720,12 +949,12 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         switch (key) {
             case 'x': {
                 if (!this.assertType(nextValue, 'number', key)) return;
-                this.pos(nextValue, this.transform.y);
+                this.pos(nextValue, this._transform.y);
                 return;
             }
             case 'y': {
                 if (!this.assertType(nextValue, 'number', key)) return;
-                this.pos(this.transform.x, nextValue);
+                this.pos(this._transform.x, nextValue);
                 return;
             }
             case 'anchorX': {
@@ -811,6 +1040,8 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         }
     }
 
+    //#endregion
+
     /**
      * 摧毁这个渲染元素，摧毁后不应继续使用
      */
@@ -819,7 +1050,6 @@ export abstract class RenderItem<E extends ERenderItemEvent = ERenderItemEvent>
         this.emit('destroy');
         this.removeAllListeners();
         this.cache.delete();
-        RenderItem.itemMap.delete(this._id);
     }
 }
 

src/core/render/preset/damage.ts

@@ -203,6 +203,7 @@ export class Damage extends RenderItem<EDamageEvent> {
         this.cellSize = size;
         this.update();
     }
+
     /**
      * 更新怪物列表。更新后，{@link Damage.enemy} 会丢失原来的怪物列表引用，换为传入的列表引用
      * @param enemy 怪物列表

src/core/render/preset/graphics.ts

@@ -79,6 +79,54 @@ export abstract class GraphicItemBase
     private strokeAndFill: boolean = false;
     private propFillSet: boolean = false;
 
+    /**
+     * 获取这个元素的绘制路径
+     */
+    abstract getPath(): Path2D;
+
+    protected render(
+        canvas: MotaOffscreenCanvas2D,
+        _transform: Transform
+    ): void {
+        const ctx = canvas.ctx;
+        this.setCanvasState(canvas);
+        const path = this.getPath();
+        switch (this.mode) {
+            case GraphicMode.Fill:
+                ctx.fill(path, this.fillRule);
+                break;
+            case GraphicMode.Stroke:
+                ctx.stroke(path);
+                break;
+            case GraphicMode.FillAndStroke:
+                ctx.fill(path, this.fillRule);
+                ctx.stroke(path);
+                break;
+            case GraphicMode.StrokeAndFill:
+                ctx.stroke(path);
+                ctx.fill(path, this.fillRule);
+                break;
+        }
+    }
+
+    protected isActionInElement(x: number, y: number): boolean {
+        const ctx = this.cache.ctx;
+        const path = this.getPath();
+        switch (this.mode) {
+            case GraphicMode.Fill:
+                return ctx.isPointInPath(path, x, y, this.fillRule);
+            case GraphicMode.Stroke:
+                return ctx.isPointInStroke(path, x, y);
+            case GraphicMode.FillAndStroke:
+            case GraphicMode.StrokeAndFill:
+                return (
+                    ctx.isPointInPath(path, x, y, this.fillRule) ||
+                    ctx.isPointInStroke(path, x, y)
+                );
+        }
+        return false;
+    }
+
     /**
      * 设置描边绘制的信息
      * @param options 线的信息
@@ -253,31 +301,10 @@ export abstract class GraphicItemBase
 }
 
 export class Rect extends GraphicItemBase {
-    protected render(
+    getPath(): Path2D {
-        canvas: MotaOffscreenCanvas2D,
+        const path = new Path2D();
-        _transform: Transform
+        path.rect(this.x, this.y, this.width, this.height);
-    ): void {
+        return path;
-        const ctx = canvas.ctx;
-        this.setCanvasState(canvas);
-        ctx.beginPath();
-        ctx.rect(this.x, this.y, this.width, this.height);
-
-        switch (this.mode) {
-            case GraphicMode.Fill:
-                ctx.fill(this.fillRule);
-                break;
-            case GraphicMode.Stroke:
-                ctx.stroke();
-                break;
-            case GraphicMode.FillAndStroke:
-                ctx.fill(this.fillRule);
-                ctx.stroke();
-                break;
-            case GraphicMode.StrokeAndFill:
-                ctx.stroke();
-                ctx.fill(this.fillRule);
-                break;
-        }
     }
 }
 

src/core/render/preset/misc.ts

@@ -236,8 +236,8 @@ export class Icon extends RenderItem<EIconEvent> implements IAnimateFrame {
         const renderable = this.renderable;
         if (!renderable) return;
         const [x, y, w, h] = renderable.render[0];
-        const cw = canvas.width;
+        const cw = this.width;
-        const ch = canvas.height;
+        const ch = this.height;
         const frame = this.animate
             ? RenderItem.animatedFrame % renderable.frame
             : 0;

src/core/render/render.ts

@@ -1,15 +1,55 @@
 import { logger } from '../common/logger';
 import { MotaOffscreenCanvas2D } from '../fx/canvas2d';
 import { Container } from './container';
-import { RenderItem } from './item';
+import {
+    ActionType,
+    IActionEvent,
+    IWheelEvent,
+    MouseType,
+    WheelType
+} from './event';
+import { IRenderTreeRoot, RenderItem } from './item';
 import { Transform } from './transform';
 
-export class MotaRenderer extends Container {
+interface TouchInfo {
+    /** 这次触摸在渲染系统的标识符 */
+    identifier: number;
+    /** 浏览器的 clientX，用于判断这个触点有没有移动 */
+    clientX: number;
+    /** 浏览器的 clientY，用于判断这个触点有没有移动 */
+    clientY: number;
+    /** 是否覆盖在了当前元素上 */
+    hovered: boolean;
+}
+
+interface MouseInfo {
+    /** 这个鼠标按键的标识符 */
+    identifier: number;
+}
+
+export class MotaRenderer extends Container implements IRenderTreeRoot {
     static list: Map<string, MotaRenderer> = new Map();
 
+    /** 所有连接到此根元素的渲染元素的 id 到元素自身的映射 */
+    protected idMap: Map<string, RenderItem> = new Map();
+
+    /** 最后一次按下的鼠标按键，用于处理鼠标移动 */
+    private lastMouse: MouseType = MouseType.None;
+    /** 每个触点的信息 */
+    private touchInfo: Map<number, TouchInfo> = new Map();
+    /** 触点列表 */
+    private touchList: Map<number, Touch> = new Map();
+    /** 每个鼠标按键的信息 */
+    private mouseInfo: Map<MouseType, MouseInfo> = new Map();
+    /** 操作的标识符 */
+    private actionIdentifier: number = 0;
+
+    /** 用于终止 document 上的监听 */
+    private abort?: AbortController;
+
     target!: MotaOffscreenCanvas2D;
 
-    readonly isRoot: boolean = true;
+    readonly isRoot = true;
 
     constructor(id: string = 'render-main') {
         super('static', false);
@@ -38,6 +78,301 @@ export class MotaRenderer extends Container {
         };
 
         update();
+        this.listen();
+    }
+
+    private listen() {
+        // 画布监听
+        const canvas = this.target.canvas;
+        canvas.addEventListener('mousedown', ev => {
+            const mouse = this.getMouseType(ev);
+            this.lastMouse = mouse;
+            this.captureEvent(
+                ActionType.Down,
+                this.createMouseAction(ev, ActionType.Down, mouse)
+            );
+        });
+        canvas.addEventListener('mouseup', ev => {
+            const event = this.createMouseAction(ev, ActionType.Up);
+            this.captureEvent(ActionType.Up, event);
+            this.captureEvent(ActionType.Click, event);
+        });
+        canvas.addEventListener('mousemove', ev => {
+            const event = this.createMouseAction(
+                ev,
+                ActionType.Move,
+                this.lastMouse
+            );
+            this.captureEvent(ActionType.Move, event);
+        });
+        canvas.addEventListener('mouseenter', ev => {
+            const event = this.createMouseAction(ev, ActionType.Enter);
+            this.emit('enterCapture', event);
+            this.emit('enter', event);
+        });
+        canvas.addEventListener('mouseleave', ev => {
+            const event = this.createMouseAction(ev, ActionType.Leave);
+            this.emit('leaveCapture', event);
+            this.emit('leave', event);
+        });
+        document.addEventListener('touchstart', ev => {
+            this.createTouchAction(ev, ActionType.Down).forEach(v => {
+                this.captureEvent(ActionType.Down, v);
+            });
+        });
+        document.addEventListener('touchend', ev => {
+            this.createTouchAction(ev, ActionType.Up).forEach(v => {
+                this.captureEvent(ActionType.Up, v);
+                this.captureEvent(ActionType.Click, v);
+            });
+        });
+        document.addEventListener('touchcancel', ev => {
+            this.createTouchAction(ev, ActionType.Up).forEach(v => {
+                this.captureEvent(ActionType.Up, v);
+            });
+        });
+        document.addEventListener('touchmove', ev => {
+            this.createTouchAction(ev, ActionType.Move).forEach(v => {
+                const touch = this.touchInfo.get(v.identifier);
+                if (!touch) return;
+                const inElement = this.isTouchInCanvas(v.offsetX, v.offsetY);
+                if (touch.hovered && !inElement) {
+                    this.emit('leaveCapture', v);
+                    this.emit('leave', v);
+                }
+                if (!touch.hovered && inElement) {
+                    this.emit('enterCapture', v);
+                    this.emit('enter', v);
+                }
+                this.captureEvent(ActionType.Move, v);
+            });
+        });
+        canvas.addEventListener('wheel', ev => {
+            this.captureEvent(
+                ActionType.Wheel,
+                this.createWheelAction(ev, ActionType.Wheel)
+            );
+        });
+        // 文档监听
+        const abort = new AbortController();
+        const signal = abort.signal;
+        this.abort = abort;
+        const clear = (ev: MouseEvent) => {
+            const mouse = this.getMouseButtons(ev);
+            for (const button of this.mouseInfo.keys()) {
+                if (!(mouse & button)) {
+                    this.mouseInfo.delete(button);
+                }
+            }
+        };
+        document.addEventListener('click', clear, { signal });
+        document.addEventListener('mouseenter', clear, { signal });
+        document.addEventListener('mouseleave', clear, { signal });
+    }
+
+    private isTouchInCanvas(clientX: number, clientY: number) {
+        const rect = this.target.canvas.getBoundingClientRect();
+        const { left, right, top, bottom } = rect;
+        const x = clientX;
+        const y = clientY;
+        return x >= left && x <= right && y >= top && y <= bottom;
+    }
+
+    private getMouseType(ev: MouseEvent): MouseType {
+        switch (ev.button) {
+            case 0:
+                return MouseType.Left;
+            case 1:
+                return MouseType.Middle;
+            case 2:
+                return MouseType.Right;
+            case 3:
+                return MouseType.Back;
+            case 4:
+                return MouseType.Forward;
+        }
+        return MouseType.None;
+    }
+
+    private getActiveMouseIdentifier(mouse: MouseType) {
+        if (this.lastMouse === MouseType.None) {
+            return -1;
+        } else {
+            const info = this.mouseInfo.get(mouse);
+            if (!info) return -1;
+            else return info.identifier;
+        }
+    }
+
+    private getMouseIdentifier(type: ActionType, mouse: MouseType): number {
+        switch (type) {
+            case ActionType.Down: {
+                const id = this.actionIdentifier++;
+                this.mouseInfo.set(mouse, { identifier: id });
+                return id;
+            }
+            case ActionType.Move:
+            case ActionType.Enter:
+            case ActionType.Leave:
+            case ActionType.Wheel: {
+                return this.getActiveMouseIdentifier(mouse);
+            }
+            case ActionType.Up:
+            case ActionType.Click: {
+                const id = this.getActiveMouseIdentifier(mouse);
+                this.mouseInfo.delete(mouse);
+                return id;
+            }
+        }
+    }
+
+    private getMouseButtons(event: MouseEvent): number {
+        if (event.buttons === 0) return MouseType.None;
+        let buttons = 0;
+        if (event.buttons & 0b1) buttons |= MouseType.Left;
+        if (event.buttons & 0b10) buttons |= MouseType.Right;
+        if (event.buttons & 0b100) buttons |= MouseType.Middle;
+        if (event.buttons & 0b1000) buttons |= MouseType.Back;
+        if (event.buttons & 0b10000) buttons |= MouseType.Forward;
+        return buttons;
+    }
+
+    private createMouseAction(
+        event: MouseEvent,
+        type: ActionType,
+        mouse: MouseType = this.getMouseType(event)
+    ): IActionEvent {
+        const id = this.getMouseIdentifier(type, mouse);
+        const x = event.offsetX / core.domStyle.scale;
+        const y = event.offsetY / core.domStyle.scale;
+        return {
+            target: this,
+            identifier: id,
+            touch: false,
+            offsetX: x,
+            offsetY: y,
+            absoluteX: x,
+            absoluteY: y,
+            type: mouse,
+            buttons: this.getMouseButtons(event),
+            altKey: event.altKey,
+            ctrlKey: event.ctrlKey,
+            shiftKey: event.shiftKey,
+            metaKey: event.metaKey,
+            stopPropagation: () => {
+                this.propagationStoped.set(type, true);
+            }
+        };
+    }
+
+    private createWheelAction(
+        event: WheelEvent,
+        type: ActionType,
+        mouse: MouseType = this.getMouseType(event)
+    ): IWheelEvent {
+        const ev = this.createMouseAction(event, type, mouse) as IWheelEvent;
+        ev.wheelX = event.deltaX;
+        ev.wheelY = event.deltaY;
+        ev.wheelZ = event.deltaZ;
+        switch (event.deltaMode) {
+            case 0x00:
+                ev.wheelType = WheelType.Pixel;
+                break;
+            case 0x01:
+                ev.wheelType = WheelType.Line;
+                break;
+            case 0x02:
+                ev.wheelType = WheelType.Page;
+                break;
+            default:
+                ev.wheelType = WheelType.None;
+                break;
+        }
+        return ev;
+    }
+
+    private getTouchIdentifier(touch: Touch, type: ActionType) {
+        if (type === ActionType.Down) {
+            const id = this.actionIdentifier++;
+            this.touchInfo.set(touch.identifier, {
+                identifier: id,
+                clientX: touch.clientX,
+                clientY: touch.clientY,
+                hovered: this.isTouchInCanvas(touch.clientX, touch.clientY)
+            });
+            return id;
+        }
+        const info = this.touchInfo.get(touch.identifier);
+        if (!info) return -1;
+        return info.identifier;
+    }
+
+    private createTouch(
+        touch: Touch,
+        type: ActionType,
+        event: TouchEvent,
+        rect: DOMRect
+    ): IActionEvent {
+        const x = (touch.clientX - rect.left) / core.domStyle.scale;
+        const y = (touch.clientY - rect.top) / core.domStyle.scale;
+        return {
+            target: this,
+            identifier: this.getTouchIdentifier(touch, type),
+            touch: true,
+            offsetX: x,
+            offsetY: y,
+            absoluteX: x,
+            absoluteY: y,
+            type: MouseType.Left,
+            buttons: MouseType.Left,
+            altKey: event.altKey,
+            ctrlKey: event.ctrlKey,
+            shiftKey: event.shiftKey,
+            metaKey: event.metaKey,
+            stopPropagation: () => {
+                this.propagationStoped.set(type, true);
+            }
+        };
+    }
+
+    private createTouchAction(
+        event: TouchEvent,
+        type: ActionType
+    ): IActionEvent[] {
+        const list: IActionEvent[] = [];
+        const rect = this.target.canvas.getBoundingClientRect();
+        if (type === ActionType.Up) {
+            // 抬起是一个需要特殊处理的东西，因为 touches 不会包含这个内容，所以需要特殊处理
+            const touches = Array.from(event.touches).map(v => v.identifier);
+            for (const [id, touch] of this.touchList) {
+                if (!touches.includes(id)) {
+                    // 如果不包含，才需要触发
+                    if (this.isTouchInCanvas(touch.clientX, touch.clientY)) {
+                        const ev = this.createTouch(touch, type, event, rect);
+                        list.push(ev);
+                    }
+                }
+            }
+        } else {
+            Array.from(event.touches).forEach(v => {
+                const ev = this.createTouch(v, type, event, rect);
+                if (type === ActionType.Move) {
+                    const touch = this.touchInfo.get(v.identifier);
+                    if (!touch) return;
+                    const moveX = touch.clientX - v.clientX;
+                    const moveY = touch.clientY - v.clientY;
+                    if (moveX !== 0 || moveY !== 0) {
+                        list.push(ev);
+                    }
+                } else if (type === ActionType.Down) {
+                    this.touchList.set(v.identifier, v);
+                    if (this.isTouchInCanvas(v.clientX, v.clientY)) {
+                        list.push(ev);
+                    }
+                }
+            });
+        }
+        return list;
     }
 
     update(_item: RenderItem = this) {
@@ -56,13 +391,13 @@ export class MotaRenderer extends Container {
      * @returns
      */
     getElementById(id: string): RenderItem | null {
-        const map = RenderItem.itemMap;
+        if (id.length === 0) return null;
-        const item = map.get(id);
+        const item = this.idMap.get(id);
         if (item) return item;
         else {
             const item = this.searchElement(this, id);
             if (item) {
-                map.set(id, item);
+                this.idMap.set(id, item);
             }
             return item;
         }
@@ -79,10 +414,63 @@ export class MotaRenderer extends Container {
         return null;
     }
 
+    connect(item: RenderItem): void {
+        if (item.id.length === 0) return;
+        const existed = this.idMap.get(item.id);
+        if (existed) {
+            if (existed === item) return;
+            else logger.warn(23, item.id);
+        } else {
+            this.idMap.set(item.id, item);
+        }
+    }
+
+    disconnect(item: RenderItem): void {
+        this.idMap.delete(item.id);
+    }
+
+    modifyId(item: RenderItem, previous: string, current: string): void {
+        this.idMap.delete(previous);
+        if (current.length !== 0) {
+            if (this.idMap.has(item.id)) {
+                logger.warn(23, item.id);
+            } else {
+                this.idMap.set(item.id, item);
+            }
+        }
+    }
+
+    getCanvas(): HTMLCanvasElement {
+        return this.target.canvas;
+    }
+
     destroy() {
         super.destroy();
         MotaRenderer.list.delete(this.id);
         this.target.delete();
+        this.abort?.abort();
+    }
+
+    private toTagString(item: RenderItem, space: number, deep: number): string {
+        const name = item.constructor.name;
+        if (item.children.size === 0) {
+            return `${' '.repeat(deep * space)}<${name} id="${item.id}" type="${item.type}"></${name}>\n`;
+        } else {
+            return (
+                `${' '.repeat(deep * space)}<${name} id="${item.id}" type="${item.type}">\n` +
+                `${[...item.children].map(v => this.toTagString(v, space, deep + 1)).join('')}` +
+                `${' '.repeat(deep * space)}</${name}>\n`
+            );
+        }
+    }
+
+    /**
+     * 调试功能，将渲染树输出为 XML 标签形式，只包含渲染元素类名，以及元素 id 等基础属性，不包含属性值等
+     * @param space 缩进空格数
+     */
+    toTagTree(space: number = 4) {
+        if (!import.meta.env.DEV) return '';
+        return this.toTagString(this, space, 0);
     }
 
     static get(id: string) {
@@ -95,3 +483,8 @@ window.addEventListener('resize', () => {
         v.requestAfterFrame(() => v.refreshAllChildren())
     );
 });
+
+// @ts-expect-error debug
+window.logTagTree = () => {
+    console.log(MotaRenderer.get('render-main')?.toTagTree());
+};

src/core/render/renderer/props.ts

@@ -31,6 +31,7 @@ export interface BaseProps {
     id?: string;
     alpha?: number;
     composite?: GlobalCompositeOperation;
+    cursor?: string;
 }
 
 export interface SpriteProps extends BaseProps {

src/core/render/sprite.ts

@@ -7,6 +7,7 @@ import {
 import { MotaOffscreenCanvas2D } from '../fx/canvas2d';
 import { Transform } from './transform';
 import { ElementNamespace, ComponentInternalInstance } from 'vue';
+import { ActionType, EventProgress, ActionEventMap } from './event';
 
 export interface ESpriteEvent extends ERenderItemEvent {}
 
@@ -42,6 +43,14 @@ export class Sprite<
         this.update(this);
     }
 
+    protected propagateEvent<T extends ActionType>(
+        type: T,
+        _progress: EventProgress,
+        event: ActionEventMap[T]
+    ): void {
+        this.parent?.bubbleEvent(type, event);
+    }
+
     patchProp(
         key: string,
         prevValue: any,

src/core/render/transform.ts

@@ -205,7 +205,8 @@ export class Transform {
      * @param x 横坐标
      * @param y 纵坐标
      */
-    transformed(x: number, y: number) {
+    transformed(x: number, y: number): vec3 {
+        if (!this.modified) return [x, y, 1];
         return multiplyVec3(this.mat, [x, y, 1]);
     }
 
@@ -214,7 +215,8 @@ export class Transform {
      * @param x 横坐标
      * @param y 纵坐标
      */
-    untransformed(x: number, y: number) {
+    untransformed(x: number, y: number): vec3 {
+        if (!this.modified) return [x, y, 1];
         const invert = mat3.create();
         mat3.invert(invert, this.mat);
         return multiplyVec3(invert, [x, y, 1]);

src/data/logger.json

@@ -87,6 +87,7 @@
         "53": "Cannot $1 audio route '$2', since there is not added route named it.",
         "54": "Missing start tag for '$1', index: $2.",
         "55": "Unchildable tag '$1' should follow with param.",
+        "56": "Method '$1' is deprecated. Consider using '$2' instead.",
         "1001": "Item-detail extension needs 'floor-binder' and 'floor-damage' extension as dependency.",
         "1101": "Cannot add new effect to point effect instance, for there's no more reserve space for it. Please increase the max count of the instance."
     }

src/module/fallback/audio.ts

@@ -4,6 +4,8 @@ import { mainSetting } from '@/core/main/setting';
 import { sleep } from 'mutate-animate';
 import { isNil } from 'lodash-es';
 
+// todo: 添加弃用警告 logger.warn(56)
+
 export function patchAudio() {
     const patch = new Patch(PatchClass.Control);
 

src/module/fallback/weather.ts

@@ -2,6 +2,8 @@ import { Patch, PatchClass } from '@/common/patch';
 import { WeatherController } from '../weather';
 import { isNil } from 'lodash-es';
 
+// todo: 添加弃用警告 logger.warn(56)
+
 export function patchWeather() {
     const patch = new Patch(PatchClass.Control);
     let nowWeather: string = '';

src/module/render/components/textbox.tsx

@@ -360,6 +360,7 @@ export const Textbox = defineComponent<
                 )}
                 <TextContent
                     {...data}
+                    id=""
                     hidden={false}
                     x={data.padding!}
                     y={contentY.value + data.padding!}

src/plugin/utils.ts

@@ -442,6 +442,7 @@ export function getVitualKeyOnce(
     assist: number = 0,
     emittable: KeyCode[] = []
 ): Promise<KeyboardEmits> {
+    // todo: 正确触发后删除监听器
     return new Promise(res => {
         const key = Keyboard.get('full')!;
         key.withAssist(assist);