feat: 自动元件处理

packages-user/client-base/src/material/autotile.ts

@@ -0,0 +1,437 @@
+import { IRect, ITexture, ITextureRenderable } from '@motajs/render-assets';
+import {
+    AutotileType,
+    BlockCls,
+    IAutotileConnection,
+    IAutotileProcessor,
+    IAutotileRenderable,
+    IMaterialManager
+} from './types';
+import { logger } from '@motajs/common';
+
+interface ConnectedAutotile {
+    readonly lt: Readonly<IRect>;
+    readonly rt: Readonly<IRect>;
+    readonly rb: Readonly<IRect>;
+    readonly lb: Readonly<IRect>;
+}
+
+/** 3x4 自动元件的连接映射，元组表示将对应大小的自动元件按照格子 1/4 大小切分后对应的索引位置 */
+const connectionMap3x4 = new Map<number, [number, number, number, number]>();
+/** 2x3 自动元件的连接映射，元组表示将对应大小的自动元件按照格子 1/4 大小切分后对应的索引位置 */
+const connectionMap2x3 = new Map<number, [number, number, number, number]>();
+/** 3x4 自动元件各方向连接矩形映射 */
+const rectMap3x4 = new Map<number, ConnectedAutotile>();
+/** 2x3 自动元件各方向连接的矩形映射 */
+const rectMap2x3 = new Map<number, ConnectedAutotile>();
+
+interface AutotileFrameList {
+    type: AutotileType;
+    rects: Readonly<IRect>[];
+}
+
+export class AutotileProcessor implements IAutotileProcessor {
+    /** 自动元件父子关系映射，子元件 -> 父元件 */
+    readonly parentMap: Map<number, number> = new Map();
+    /** 自动元件父子关系映射，父元件 -> 子元件列表 */
+    readonly childMap: Map<number, Set<number>> = new Map();
+
+    constructor(readonly manager: IMaterialManager) {}
+
+    private ensureChildSet(num: number) {
+        const set = this.childMap.get(num);
+        if (set) return set;
+        const ensure = new Set<number>();
+        this.childMap.set(num, ensure);
+        return ensure;
+    }
+
+    setParent(autotile: number, parent: number): void {
+        this.parentMap.set(autotile, parent);
+        const child = this.ensureChildSet(parent);
+        child.add(autotile);
+    }
+
+    private connectEdge(length: number, index: number, width: number): number {
+        // 最高位表示左上，低位依次顺时针旋转
+
+        // 如果地图大小只有 1
+        if (length === 1) {
+            return 0b1111_1111;
+        }
+        // 如果地图高度只有 1
+        if (length === width) {
+            if (index === 0) {
+                return 0b1100_0111;
+            } else if (index === length - 1) {
+                return 0b0111_1100;
+            } else {
+                return 0b0100_0100;
+            }
+        }
+        // 如果地图宽度只有 1
+        if (width === 1) {
+            if (index === 0) {
+                return 0b1111_0001;
+            } else if (index === length - 1) {
+                return 0b0001_1111;
+            } else {
+                return 0b0001_0001;
+            }
+        }
+
+        // 正常地图
+
+        const lastLine = length - width;
+        const x = index % width;
+
+        // 四个角，左上，右上，右下，左下
+        if (index === 0) {
+            return 0b1100_0001;
+        } else if (index === width - 1) {
+            return 0b0111_0000;
+        } else if (index === length - 1) {
+            return 0b0001_1100;
+        } else if (index === lastLine) {
+            return 0b0000_0111;
+        }
+        // 四条边，上，右，下，左
+        else if (index < width) {
+            return 0b0100_0000;
+        } else if (x === width - 1) {
+            return 0b0001_0000;
+        } else if (index > lastLine) {
+            return 0b0000_0100;
+        } else if (x === 0) {
+            return 0b0000_0001;
+        }
+        // 不在边缘
+        else {
+            return 0b0000_0000;
+        }
+    }
+
+    connect(
+        array: Uint32Array,
+        index: number,
+        width: number
+    ): IAutotileConnection {
+        let res: number = this.connectEdge(array.length, index, width);
+        const block = array[index];
+        const childList = this.childMap.get(block);
+
+        // 最高位表示左上，低位依次顺时针旋转
+        const a7 = array[index - width - 1] ?? 0;
+        const a6 = array[index - width] ?? 0;
+        const a5 = array[index - width + 1] ?? 0;
+        const a4 = array[index + 1] ?? 0;
+        const a3 = array[index + width + 1] ?? 0;
+        const a2 = array[index + width] ?? 0;
+        const a1 = array[index + width - 1] ?? 0;
+        const a0 = array[index - 1] ?? 0;
+
+        // Benchmark https://www.measurethat.net/Benchmarks/Show/35271/0/convert-boolean-to-number
+
+        if (!childList) {
+            // 不包含子元件，那么直接跟相同的连接
+            res |=
+                +(a0 === block) |
+                (+(a1 === block) << 1) |
+                (+(a2 === block) << 2) |
+                (+(a3 === block) << 3) |
+                (+(a4 === block) << 4) |
+                (+(a5 === block) << 5) |
+                (+(a6 === block) << 6) |
+                (+(a7 === block) << 7);
+        } else {
+            res |=
+                +childList.has(a0) |
+                (+childList.has(a1) << 1) |
+                (+childList.has(a2) << 2) |
+                (+childList.has(a3) << 3) |
+                (+childList.has(a4) << 4) |
+                (+childList.has(a5) << 5) |
+                (+childList.has(a6) << 6) |
+                (+childList.has(a7) << 7);
+        }
+
+        return {
+            connection: res,
+            center: block
+        };
+    }
+
+    render(
+        autotile: number,
+        connection: number
+    ): Generator<IAutotileRenderable, void> | null {
+        const cls = this.manager.getBlockCls(autotile);
+        if (cls !== BlockCls.Autotile) return null;
+        const tile = this.manager.getTile(autotile)!;
+        return this.fromStaticRenderable(tile.static(), connection);
+    }
+
+    private getStaticRectList(
+        renderable: ITextureRenderable
+    ): AutotileFrameList {
+        const { x, y, w, h } = renderable.rect;
+        const type = h === 128 ? AutotileType.Big3x4 : AutotileType.Small2x3;
+        if (w === 96) {
+            return {
+                type,
+                rects: [renderable.rect]
+            };
+        } else {
+            return {
+                type,
+                rects: [
+                    { x: x + 0, y, w, h },
+                    { x: x + 96, y, w, h },
+                    { x: x + 192, y, w, h },
+                    { x: x + 288, y, w, h }
+                ]
+            };
+        }
+    }
+
+    private getConnectedRect(
+        ox: number,
+        oy: number,
+        connection: ConnectedAutotile
+    ): ConnectedAutotile | null {
+        const { lt, rt, rb, lb } = connection;
+
+        return {
+            lt: { x: ox + lt.x, y: oy + lt.y, w: lt.w, h: lt.h },
+            rt: { x: ox + rt.x, y: oy + rt.y, w: rt.w, h: rt.h },
+            rb: { x: ox + rb.x, y: oy + rb.y, w: rb.w, h: rb.h },
+            lb: { x: ox + lb.x, y: oy + lb.y, w: lb.w, h: lb.h }
+        };
+    }
+
+    *fromStaticRenderable(
+        renderable: ITextureRenderable,
+        connection: number
+    ): Generator<IAutotileRenderable, void> | null {
+        const { type, rects } = this.getStaticRectList(renderable);
+        const map = type === AutotileType.Big3x4 ? rectMap3x4 : rectMap2x3;
+        const data = map.get(connection);
+        if (!data) {
+            logger.error(27);
+            return null;
+        }
+        if (rects.length === 1) {
+            const { x, y } = rects[0];
+            const connected = this.getConnectedRect(x, y, data);
+            if (!connected) return null;
+            const res: IAutotileRenderable = {
+                source: renderable.source,
+                lt: connected.lt,
+                rt: connected.rt,
+                rb: connected.rb,
+                lb: connected.lb
+            };
+            yield res;
+        } else {
+            for (const { x, y } of rects) {
+                const connected = this.getConnectedRect(x, y, data);
+                if (!connected) return null;
+                const res: IAutotileRenderable = {
+                    source: renderable.source,
+                    lt: connected.lt,
+                    rt: connected.rt,
+                    rb: connected.rb,
+                    lb: connected.lb
+                };
+                yield res;
+            }
+        }
+    }
+
+    fromAnimatedRenderable(
+        renderable: ITextureRenderable,
+        connection: number
+    ): IAutotileRenderable | null {
+        const { x, y, h } = renderable.rect;
+        const type = h === 128 ? AutotileType.Big3x4 : AutotileType.Small2x3;
+        const map = type === AutotileType.Big3x4 ? rectMap3x4 : rectMap2x3;
+        const data = map.get(connection);
+        if (!data) {
+            logger.error(27);
+            return null;
+        }
+        const connected = this.getConnectedRect(x, y, data);
+        if (!connected) return null;
+        const res: IAutotileRenderable = {
+            source: renderable.source,
+            lt: connected.lt,
+            rt: connected.rt,
+            rb: connected.rb,
+            lb: connected.lb
+        };
+        return res;
+    }
+
+    *fromAnimatedGenerator(
+        texture: ITexture,
+        generator: Generator<ITextureRenderable> | null,
+        connection: number
+    ): Generator<IAutotileRenderable, void> | null {
+        if (!generator) return null;
+        const h = texture.height;
+        const type = h === 128 ? AutotileType.Big3x4 : AutotileType.Small2x3;
+        const map = type === AutotileType.Big3x4 ? rectMap3x4 : rectMap2x3;
+        const data = map.get(connection);
+        if (!data) {
+            logger.error(27);
+            return null;
+        }
+        while (true) {
+            const value = generator.next();
+            if (value.done) break;
+            const renderable = value.value;
+            const { x, y } = renderable.rect;
+            const connected = this.getConnectedRect(x, y, data);
+            if (!connected) return null;
+            const res: IAutotileRenderable = {
+                source: renderable.source,
+                lt: connected.lt,
+                rt: connected.rt,
+                rb: connected.rb,
+                lb: connected.lb
+            };
+            yield res;
+        }
+    }
+}
+
+/**
+ * 映射自动元件连接
+ * @param target 输出映射对象
+ * @param mode 自动元件类型，1 表示 3x4，2 表示 2x3
+ */
+function mapAutotile(
+    target: Map<number, [number, number, number, number]>,
+    mode: 1 | 2
+) {
+    const h = mode === 1 ? 2 : 1; // 横向偏移因子
+    const v = mode === 1 ? 12 : 4; // 纵向偏移因子
+    const luo = mode === 1 ? 12 : 8; // leftup origin
+    const ruo = mode === 1 ? 17 : 11; // rightup origin
+    const ldo = mode === 1 ? 42 : 20; // leftdown origin
+    const rdo = mode === 1 ? 47 : 23; // rightdown origin
+    const luc = mode === 1 ? 4 : 2; // leftup corner
+    const ruc = mode === 1 ? 5 : 3; // rightup corner
+    const rdc = mode === 1 ? 11 : 7; // rightdown corner
+    const ldc = mode === 1 ? 10 : 6; // leftdown corner
+
+    for (let i = 0; i <= 0b1111_1111; i++) {
+        // 自动元件由四个更小的矩形组合而成
+        // 初始状态下，四个矩形分别处在四个角的位置
+        // 而且对应角落的矩形只可能出现在每个大区块的对应角落
+
+        let lu = luo; // leftup
+        let ru = ruo; // rightup
+        let ld = ldo; // leftdown
+        let rd = rdo; // rightdown
+
+        // 先看四个方向，最后看斜角方向
+        if (i & 0b0000_0001) {
+            // 左侧有连接，左侧两个矩形向右偏移两个因子
+            lu += h * 2;
+            ld += h * 2;
+            // 如果右侧还有连接，那么右侧矩形和左侧矩形需要移动至中间
+            // 但是由于后面还处理了先右侧再左侧的情况，因此需要先向右偏移一个因子
+            // 结果就是先向右移动了一个因子，在后面又向左移动了两个因子，因此相当于向左移动了一个因子
+            if (i & 0b0001_0000) {
+                ru += h;
+                rd += h;
+            }
+        }
+        if (i & 0b0000_0100) {
+            // 下侧有连接，下侧两个矩形向上偏移两个因子
+            ld -= v * 2;
+            rd -= v * 2;
+            if (i & 0b0100_0000) {
+                lu -= v;
+                ru -= v;
+            }
+        }
+        if (i & 0b0001_0000) {
+            // 右侧有连接，右侧矩形向左移动两个因子
+            ru -= h * 2;
+            rd -= h * 2;
+            if (i & 0b0000_0001) {
+                lu -= h;
+                ld -= h;
+            }
+        }
+        if (i & 0b0100_0000) {
+            // 上侧有链接，上侧矩形向下移动两个因子
+            lu += v * 2;
+            ru += v * 2;
+            if (i & 0b0000_0100) {
+                ld += v;
+                rd += v;
+            }
+        }
+        // 斜角
+        // 如果左上仅与上和左连接
+        if ((i & 0b1100_0001) === 0b0100_0001) {
+            lu = luc;
+        }
+        // 如果右上仅与上和右连接
+        if ((i & 0b0111_0000) === 0b0101_0000) {
+            ru = ruc;
+        }
+        // 如果右下仅与右和下连接
+        if ((i & 0b0001_1100) === 0b0001_0100) {
+            rd = rdc;
+        }
+        // 如果左下仅与左和下连接
+        if ((i & 0b0000_0111) === 0b0000_0101) {
+            ld = ldc;
+        }
+        target.set(i, [lu, ru, rd, ld]);
+    }
+}
+
+export function createAutotile() {
+    mapAutotile(connectionMap3x4, 1);
+    mapAutotile(connectionMap2x3, 2);
+
+    connectionMap3x4.forEach((data, connection) => {
+        const [ltd, rtd, rbd, lbd] = data;
+        const ltx = (ltd % 6) * 16;
+        const lty = Math.floor(ltd / 6) * 16;
+        const rtx = (rtd % 6) * 16;
+        const rty = Math.floor(rtd / 6) * 16;
+        const rbx = (rbd % 6) * 16;
+        const rby = Math.floor(rbd / 6) * 16;
+        const lbx = (lbd % 6) * 16;
+        const lby = Math.floor(lbd / 6) * 16;
+        rectMap3x4.set(connection, {
+            lt: { x: ltx, y: lty, w: 16, h: 16 },
+            rt: { x: rtx, y: rty, w: 16, h: 16 },
+            rb: { x: rbx, y: rby, w: 16, h: 16 },
+            lb: { x: lbx, y: lby, w: 16, h: 16 }
+        });
+    });
+    connectionMap2x3.forEach((data, connection) => {
+        const [ltd, rtd, rbd, lbd] = data;
+        const ltx = (ltd % 4) * 24;
+        const lty = Math.floor(ltd / 4) * 24;
+        const rtx = (rtd % 4) * 24;
+        const rty = Math.floor(rtd / 4) * 24;
+        const rbx = (rbd % 4) * 24;
+        const rby = Math.floor(rbd / 4) * 24;
+        const lbx = (lbd % 4) * 24;
+        const lby = Math.floor(lbd / 4) * 24;
+        rectMap2x3.set(connection, {
+            lt: { x: ltx, y: lty, w: 24, h: 24 },
+            rt: { x: rtx, y: rty, w: 24, h: 24 },
+            rb: { x: rbx, y: rby, w: 24, h: 24 },
+            lb: { x: lbx, y: lby, w: 24, h: 24 }
+        });
+    });
+}

packages-user/client-base/src/material/fallback.ts

@@ -1,4 +1,4 @@
-import { materials } from './manager';
+import { materials } from './ins';
 import { IBlockIdentifier, IIndexedIdentifier } from './types';
 
 function extractClsBlocks<C extends Exclude<Cls, 'tileset'>>(

packages-user/client-base/src/material/ins.ts

@@ -0,0 +1,5 @@
+import { AutotileProcessor } from './autotile';
+import { MaterialManager } from './manager';
+
+export const materials = new MaterialManager();
+export const autotile = new AutotileProcessor(materials);

packages-user/client-base/src/material/manager.ts

@@ -407,5 +407,3 @@ export class MaterialManager implements IMaterialManager {
         return this.bigImageData.get(identifier) ?? null;
     }
 }
-
-export const materials = new MaterialManager();

packages-user/client-base/src/material/types.ts

@@ -20,6 +20,11 @@ export const enum BlockCls {
     Autotile
 }
 
+export const enum AutotileType {
+    Small2x3,
+    Big3x4
+}
+
 export interface IMaterialData {
     /** 此素材的贴图对象存入了哪个贴图存储对象 */
     readonly store: ITextureStore;
@@ -59,7 +64,7 @@ export interface IMaterialAssetData {
 }
 
 export interface IAutotileConnection {
-    /** 连接方式，上方连接是第一位，顺时针旋转位次依次升高 */
+    /** 连接方式，最高位表示左上，低位依次顺时针旋转 */
     readonly connection: number;
     /** 中心自动元件对应的图块数字 */
     readonly center: number;
@@ -68,8 +73,14 @@ export interface IAutotileConnection {
 export interface IAutotileRenderable {
     /** 自动元件的图像源 */
     readonly source: SizedCanvasImageSource;
-    /** 渲染的矩形范围 */
+    /** 左上渲染的矩形范围 */
-    readonly rects: Readonly<IRect>[];
+    readonly lt: Readonly<IRect>;
+    /** 右上渲染的矩形范围 */
+    readonly rt: Readonly<IRect>;
+    /** 右下渲染的矩形范围 */
+    readonly rb: Readonly<IRect>;
+    /** 左下渲染的矩形范围 */
+    readonly lb: Readonly<IRect>;
 }
 
 export interface IBigImageData {
@@ -91,33 +102,64 @@ export interface IAutotileProcessor {
     setParent(autotile: number, parent: number): void;
 
     /**
-     * 获取自动元件的链接情况
+     * 获取自动元件的连接情况
      * @param array 地图图块数组
      * @param index 自动元件图块所在的索引
-     * @param edge 当前图块的边缘连接情况
+     * @param width 地图每一行的宽度
      */
     connect(
-        array: Float32Array,
+        array: Uint32Array,
         index: number,
-        edge: number
+        width: number
     ): IAutotileConnection;
 
     /**
-     * 获取指定自动元件的可渲染对象
+     * 获取指定自动元件经过连接的可渲染对象
      * @param autotile 自动元件的图块数字
      * @param connection 连接方式，上方连接是第一位，顺时针旋转位次依次升高
+     * @returns 生成器，每一个输出代表每一帧的渲染对象，不同自动元件的帧数可能不同
      */
-    render(autotile: number, connection: number): IAutotileRenderable;
+    render(
+        autotile: number,
+        connection: number
+    ): Generator<IAutotileRenderable, void> | null;
 
     /**
-     * 通过可渲染对象输出自动元件经过连接的可渲染对象
+     * 通过静态可渲染对象（由 {@link ITexture.static} 输出的可渲染对象）输出自动元件经过连接的可渲染对象生成器
      * @param renderable 自动元件的原始可渲染对象
-     * @param connection 自动元件的链接方式
+     * @param connection 自动元件的连接方式
+     * @returns 生成器，每一个输出代表每一帧的渲染对象，不同自动元件的帧数可能不同
      */
-    fromRenderable(
+    fromStaticRenderable(
         renderable: ITextureRenderable,
         connection: number
-    ): IAutotileRenderable;
+    ): Generator<IAutotileRenderable, void> | null;
+
+    /**
+     * 通过动画可渲染对象（由 {@link ITexture.dynamic} 或 {@link ITexture.cycled} 输出的单个可渲染对象）
+     * 输出自动元件经过连接的可渲染对象
+     * @param renderable 自动元件的原始可渲染对象
+     * @param connection 自动元件的连接方式
+     * @returns 这一帧的可渲染对象
+     */
+    fromAnimatedRenderable(
+        renderable: ITextureRenderable,
+        connection: number
+    ): IAutotileRenderable | null;
+
+    /**
+     * 通过动画生成器（由 {@link ITexture.dynamic} 或 {@link ITexture.cycled} 输出的生成器）
+     * 输出自动元件经过连接的可渲染对象生成器
+     * @param texture 生成动画的纹理对象
+     * @param generator 自动元件的动画生成器
+     * @param connection 自动元件的连接方式
+     * @returns 生成器，每一个输出代表每一帧的渲染对象
+     */
+    fromAnimatedGenerator(
+        texture: ITexture,
+        generator: Generator<ITextureRenderable> | null,
+        connection: number
+    ): Generator<IAutotileRenderable, void> | null;
 }
 
 export interface IMaterialManager {

packages/common/src/logger.json

@@ -26,6 +26,7 @@
         "24": "Cannot decode source type of '$1', since there is no registered decoder for that type.",
         "25": "Unknown audio type. Header: '$1'",
         "26": "Uncaught error when fetching stream data from '$1'. Error info: $2.",
+        "27": "No autotile connection data, please ensure you have created autotile connection map.",
         "1101": "Shadow extension needs 'floor-hero' extension as dependency.",
         "1201": "Floor-damage extension needs 'floor-binder' extension as dependency.",
         "1301": "Portal extension need 'floor-binder' extension as dependency.",