source/Model/Archive.ts

@@ -8,6 +8,7 @@ import { IArchiveIndividual, Individual } from "@Model/Individual";
 import { Behavior, IArchiveBehavior } from "@Model/Behavior";
 import { getBehaviorById } from "@Behavior/Behavior";
 import { IArchiveParseFn, IObjectParamArchiveType, IRealObjectType } from "@Model/Parameter";
+import { Clip, IArchiveClip } from "@Model/Clip";
 
 interface IArchiveEvent {
     fileSave: Archive;
@@ -20,6 +21,7 @@ interface IArchiveObject {
     objectPool: IArchiveCtrlObject[];
     labelPool: IArchiveLabel[];
     behaviorPool: IArchiveBehavior[];
+    clipPool: IArchiveClip[];
 }
 
 class Archive extends Emitter<IArchiveEvent> {
@@ -51,7 +53,7 @@ class Archive extends Emitter<IArchiveEvent> {
 
         // 存贮 CtrlObject
         const objectPool: IArchiveCtrlObject[] = [];
-        model.objectPool.forEach(obj => {
+        model.objectPool?.forEach(obj => {
             let archiveObject = obj.toArchive();
 
             // 处理每个群的个体
@@ -60,7 +62,7 @@ class Archive extends Emitter<IArchiveEvent> {
                 const group: Group = obj as Group;
 
                 const individuals: IArchiveIndividual[] = [];
-                group.individuals.forEach((item) => {
+                group.individuals?.forEach((item) => {
                     individuals.push(item.toArchive());
                 });
 
@@ -72,22 +74,29 @@ class Archive extends Emitter<IArchiveEvent> {
 
         // 存储 Label
         const labelPool: IArchiveLabel[] = [];
-        model.labelPool.forEach(obj => {
+        model.labelPool?.forEach(obj => {
             labelPool.push(obj.toArchive());
         });
 
         // 存储全部行为
         const behaviorPool: IArchiveBehavior[] = [];
-        model.behaviorPool.forEach(obj => {
+        model.behaviorPool?.forEach(obj => {
             behaviorPool.push(obj.toArchive());
         });
 
+        // 存储全部剪辑片段
+        const clipPool: IArchiveClip[] = [];
+        model.clipPool?.forEach(obj => {
+            clipPool.push(obj.toArchive());
+        });
+
         // 生成存档对象
         const fileData: IArchiveObject = {
             nextIndividualId: model.nextIndividualId,
             objectPool: objectPool,
             labelPool: labelPool,
-            behaviorPool: behaviorPool
+            behaviorPool: behaviorPool,
+            clipPool: clipPool
         };
 
         return JSON.stringify(fileData);
@@ -105,7 +114,7 @@ class Archive extends Emitter<IArchiveEvent> {
         // 实例化全部对象
         const objectPool: CtrlObject[] = [];
         const individualPool: Individual[] = [];
-        archive.objectPool.forEach((obj) => {
+        archive.objectPool?.forEach((obj) => {
 
             let ctrlObject: CtrlObject | undefined = undefined;
             
@@ -116,7 +125,7 @@ class Archive extends Emitter<IArchiveEvent> {
 
                 // 实例化全部个体
                 const individuals: Array<Individual> = [];
-                archiveGroup.individuals.forEach((item) => {
+                archiveGroup.individuals?.forEach((item) => {
                     const newIndividual = new Individual(newGroup);
                     newIndividual.id = item.id;
                     individuals.push(newIndividual);
@@ -140,7 +149,7 @@ class Archive extends Emitter<IArchiveEvent> {
 
         // 实例化全部标签
         const labelPool: Label[] = [];
-        archive.labelPool.forEach((item) => {
+        archive.labelPool?.forEach((item) => {
             const newLabel = new Label(model);
             newLabel.id = item.id;
             labelPool.push(newLabel);
@@ -148,13 +157,21 @@ class Archive extends Emitter<IArchiveEvent> {
 
         // 实例化全部行为
         const behaviorPool: Behavior[] = [];
-        archive.behaviorPool.forEach((item) => {
+        archive.behaviorPool?.forEach((item) => {
             const recorder = getBehaviorById(item.behaviorId);
             const newBehavior = recorder.new();
             newBehavior.id = item.id;
             behaviorPool.push(newBehavior);
         });
 
+        // 实例化全部剪辑
+        const clipPool: Clip[] = [];
+        archive.clipPool?.forEach((item) => {
+            const newClip = new Clip(model);
+            newClip.id = item.id;
+            clipPool.push(newClip);
+        });
+
         // 内置标签集合
         const buildInLabel = [model.allGroupLabel, model.allRangeLabel, model.currentGroupLabel]
 
@@ -238,6 +255,12 @@ class Archive extends Emitter<IArchiveEvent> {
             item.fromArchive(archive.behaviorPool[index], parseFunction);
             return item;
         });
+
+        // 加载剪辑
+        model.clipPool = clipPool.map((item, index) => {
+            item.fromArchive(archive.clipPool[index], parseFunction);
+            return item;
+        });
     }
 
     /**

source/Model/Clip.ts

@@ -2,6 +2,7 @@ import { IAnyObject, Model } from "@Model/Model";
 import { v4 as uuid } from "uuid";
 import { Group } from "@Model/Group";
 import { Range } from "@Model/Range";
+import { archiveObject2Parameter, IArchiveParseFn, parameter2ArchiveObject } from "@Model/Parameter";
 
 interface IDrawCommand {
 	type: "points" | "cube";
@@ -18,6 +19,13 @@ interface IFrame {
 	process: number;
 }
 
+interface IArchiveClip {
+	id: string;
+	time: number;
+	name: string;
+	frames: IFrame[];
+}
+
 /**
  * 剪辑片段
  */
@@ -50,6 +58,127 @@ class Clip {
 	 */
 	public isRecording: boolean = false;
 
+	/**
+	 * 判断两个 RenderParameter 是否相同
+	 */
+	public isRenderParameterEqual(p1?: IAnyObject, p2?: IAnyObject, r: boolean = true): boolean {
+
+		if ((p1 && !p2) || (!p1 && p2)) {
+			return false;
+		}
+
+		if (!p1 && !p2) {
+			return true;
+		}
+
+		for (let key in p1!) {
+
+			// 对象递归校验
+			if (typeof p1[key] === "object" && !Array.isArray(p1[key])) {
+
+				if (!(typeof (p2 as any)[key] === "object" && !Array.isArray((p2 as any)[key]))) {
+					return false;
+				}
+
+				// 递归校验
+				if (r) {
+					if (!this.isRenderParameterEqual(p1[key], (p2 as any)[key], false)) {
+						return false;
+					}
+				}
+				
+				// 浅校验
+				else {
+					if (p1[key] !== (p2 as any)[key]) {
+						return false;
+					}
+				}
+			}
+
+			// 数组遍历校验
+			else if (Array.isArray(p1[key])) {
+
+				if (!Array.isArray((p2 as any)[key])) {
+					return false;
+				}
+
+				for (let j = 0; j < p1[key].length; j++) {
+					if (p1[key][j] !== (p2 as any)[key][j]) {
+						return false;
+					}
+				}
+			}
+
+			// 数值直接校验
+			else if (p1[key] !== (p2 as any)[key]) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	public cloneRenderParameter(p?: IAnyObject, res: IAnyObject = {}, r: boolean = true): IAnyObject | undefined {
+
+		if (!p) return undefined;
+
+		for (let key in p) {
+
+			// 对象递归克隆
+			if (typeof p[key] === "object" && !Array.isArray(p[key]) && r) {
+				this.cloneRenderParameter(p[key], res, false);
+			}
+
+			// 数组克隆
+			else if (Array.isArray(p[key])) {
+				(res as any)[key] = p[key].concat([]);
+			}
+
+			// 数值克隆
+			else {
+				(res as any)[key] = p[key];
+			}
+		}
+
+		return res;
+	}
+
+	public isArrayEqual(a1?: number[], a2?: number[]): boolean {
+
+		if ((a1 && !a2) || (!a1 && a2)) {
+			return false;
+		}
+
+		if (!a1 && !a2) {
+			return true;
+		}
+
+		for (let i = 0; i < a1!.length; i++) {
+			if (a1![i] !== a2![i]) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * 从上一帧获取指令数据
+	 */
+	public getCommandFromLastFrame(type: IDrawCommand["type"], id: string, frame?: IFrame): IDrawCommand | undefined {
+		let lastCommand: IDrawCommand[] = (frame ?? this.frames[this.frames.length - 1])?.commands;
+
+		if (lastCommand) {
+			for (let i = 0; i < lastCommand.length; i++) {
+				if (type === lastCommand[i].type && id === lastCommand[i].id) {
+					return lastCommand[i];
+				}
+			}
+		}
+
+		return undefined;
+	}
+
 	/**
 	 * 录制一帧
 	 */
@@ -62,23 +191,59 @@ class Clip {
             object.renderParameter.color = object.color;
 
             if (object.display && object instanceof Group) {
-				commands.push({
+
+				// 获取上一帧指令
+				const lastCommand = this.getCommandFromLastFrame("points", object.id);
+
+				// 记录
+				const recodeData: IDrawCommand = {
 					type: "points",
 					id: object.id,
-					data: object.exportPositionData(),
+					data: object.exportPositionData()
-					parameter: object.renderParameter
+				}
-				});
+
+				// 对比校验
+				if (this.isRenderParameterEqual(object.renderParameter, lastCommand?.parameter)) {
+					recodeData.parameter = lastCommand?.parameter;
+				} else {
+					recodeData.parameter = this.cloneRenderParameter(object.renderParameter);
+				}
+
+				commands.push(recodeData);
             }
 
 
             if (object.display && object instanceof Range) {
-				commands.push({
+
+				// 获取上一帧指令
+				const lastCommand = this.getCommandFromLastFrame("cube", object.id);
+
+				// 记录
+				const recodeData: IDrawCommand = {
 					type: "cube",
-					id: object.id,
+					id: object.id
-					position: object.position,
+				}
-					radius: object.radius,
+
-					parameter: object.renderParameter
+				// 释放上一帧的内存
-				});
+				if (this.isArrayEqual(object.position, lastCommand?.position)) {
+					recodeData.position = lastCommand?.position;
+				} else {
+					recodeData.position = object.position.concat([]);
+				}
+
+				if (this.isArrayEqual(object.radius, lastCommand?.radius)) {
+					recodeData.radius = lastCommand?.radius;
+				} else {
+					recodeData.radius = object.radius.concat([]);
+				}
+
+				if (this.isRenderParameterEqual(object.renderParameter, lastCommand?.parameter)) {
+					recodeData.parameter = lastCommand?.parameter;
+				} else {
+					recodeData.parameter = this.cloneRenderParameter(object.renderParameter);
+				}
+
+				commands.push(recodeData);
             }
         }
 
@@ -95,6 +260,110 @@ class Clip {
 		return frame;
 	}
 
+	public readonly LastFrameData: "@L" = "@L";
+
+	/**
+	 * 压缩帧数据
+	 */
+	public compressed(): IFrame[] {
+		const resFrame: IFrame[] = [];
+
+		for (let i = 0; i < this.frames.length; i++) {
+			const commands = this.frames[i].commands;
+			const res: IDrawCommand[] = [];
+
+			// 处理指令
+			for (let j = 0; j < commands.length; j++) {
+				
+				// 压缩指令
+				const command: IDrawCommand = {
+					id: commands[j].id,
+					type: commands[j].type
+				};
+
+				// 搜索上一帧相同指令
+				const lastCommand = this.frames[i - 1] ?
+					this.getCommandFromLastFrame(command.type, command.id, this.frames[i - 1]) :
+					undefined;
+
+				// 记录
+				command.data = (lastCommand?.data === commands[j].data) ?
+					this.LastFrameData as any : Array.from(commands[j].data ?? []);
+
+				command.position = (lastCommand?.position === commands[j].position) ?
+					this.LastFrameData as any : commands[j].position?.concat([]);
+
+				command.radius = (lastCommand?.radius === commands[j].radius) ?
+					this.LastFrameData as any : commands[j].radius?.concat([]);
+
+				command.parameter = (lastCommand?.parameter === commands[j].parameter) ?
+					this.LastFrameData as any : parameter2ArchiveObject(commands[j].parameter as any);
+
+				res.push(command);
+			}
+
+			resFrame.push({
+				duration: this.frames[i].duration,
+				process: this.frames[i].process,
+				commands: res
+			})
+		}
+
+		return resFrame;
+	};
+
+	/**
+	 * 加载压缩帧数据
+	 */
+	public uncompressed(frames: IFrame[], paster: IArchiveParseFn): IFrame[] {
+		const resFrame: IFrame[] = [];
+
+		for (let i = 0; i < frames.length; i++) {
+			const commands = frames[i].commands;
+			const res: IDrawCommand[] = [];
+
+			// 处理指令
+			for (let j = 0; j < commands.length; j++) {
+				
+				// 压缩指令
+				const command: IDrawCommand = {
+					id: commands[j].id,
+					type: commands[j].type
+				};
+
+				// 搜索上一帧相同指令
+				const lastCommand = resFrame[resFrame.length - 1] ?
+					this.getCommandFromLastFrame(command.type, command.id, resFrame[resFrame.length - 1]) :
+					undefined;
+
+				console.log(lastCommand);
+
+				// 记录
+				command.data = (this.LastFrameData as any === commands[j].data) ?
+					lastCommand?.data : new Float32Array(commands[j].data ?? []);
+
+				command.position = (this.LastFrameData as any === commands[j].position) ?
+					lastCommand?.position : commands[j].position;
+
+				command.radius = (this.LastFrameData as any === commands[j].radius) ?
+					lastCommand?.radius : commands[j].radius;
+
+				command.parameter = (this.LastFrameData as any === commands[j].parameter) ?
+					lastCommand?.parameter : archiveObject2Parameter(commands[j].parameter as any, paster);
+
+				res.push(command);
+			}
+
+			resFrame.push({
+				duration: frames[i].duration,
+				process: frames[i].process,
+				commands: res
+			})
+		}
+
+		return resFrame;
+	}
+
 	/**
 	 * 播放一帧
 	 */
@@ -125,6 +394,22 @@ class Clip {
 		this.model = model;
 		this.id = uuid();
 	}
+
+	public toArchive(): IArchiveClip {
+        return {
+            id: this.id,
+			time: this.time,
+			name: this.name,
+			frames: this.compressed()
+        };
     }
 
-export { Clip, IFrame };
+    public fromArchive(archive: IArchiveClip, paster: IArchiveParseFn): void {
+        this.id = archive.id,
+		this.time = archive.time,
+		this.name = archive.name,
+		this.frames = this.uncompressed(archive.frames, paster);
+    }
+}
+
+export { Clip, IFrame, IArchiveClip };