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src/back/joystick.service.ts

@@ -0,0 +1,258 @@
+import { Injectable } from '@nestjs/common';
+import { CacheService } from 'src/cache/cache.service';
+
+@Injectable()
+export class JoystickService {
+  constructor(private cacheService: CacheService) {}
+  private Actions = {
+    Clicking: 1,
+    Rotation: 1014,
+    Joystick: 15,
+  };
+  private users = {};
+  private reply = 
+   {
+       "traceIds": [],
+       "vehicle": null,
+       "newUserStates": [{
+           "userId": "dcff36ae4fc1d",
+           "playerState": {
+               "roomTypeId": "",
+               "person": 0,
+               "avatarId": "",
+               "skinId": "",
+               "roomId": "",
+               "isHost": false,
+               "isFollowHost": false,
+               "skinDataVersion": "",
+               "avatarComponents": "",
+               "nickName": "",
+               "movingMode": 0,
+               "attitude": "",
+               "areaName": "",
+               "pathName": "",
+               "pathId": "",
+               "avatarSize": 1,
+               "extra": "",
+               "prioritySync": false,
+               "player": {
+                   "position": {
+                       "x": -421.30057,
+                       "y": -1434.4198,
+                       "z": -34
+                   },
+                   "angle": {
+                       "pitch": 0,
+                       "yaw": 47,
+                       "roll": 0
+                   }
+               },
+               "camera": {
+                   "position": {
+                       "x": -436.2,
+                       "y": -1408.8,
+                       "z": 130.7
+                   },
+                   "angle": {
+                       "pitch": 0,
+                       "yaw": 315,
+                       "roll": 0
+                   }
+               },
+               "cameraCenter": {
+                   "x": -400,
+                   "y": -1450,
+                   "z": 10.610336
+               }
+           },
+           "renderInfo": {
+               "renderType": 0,
+               "videoFrame": null,
+               "cameraStateType": 3,
+               "isMoving": 1,
+               "needIfr": 0,
+               "isVideo": 0,
+               "stillFrame": 0,
+               "isRotating": 0,
+               "isFollowing": 0,
+               "clientPanoTitlesBitmap": [],
+               "clientPanoTreceId": "",
+               "prefetchVideoId": "",
+               "noMedia": false
+           },
+           "event": null,
+           "relation": 1
+       }],
+       "actionResponses": [{
+           "actionType": 15,
+           "pointType": 100,
+           "extra": "",
+           "traceId": "",
+           "packetId": "",
+           "nps": [],
+           "peopleNum": 0,
+           "zoneId": "",
+           "echoMsg": "",
+           "reserveDetail": null,
+           "userWithAvatarList": [],
+           "newUserStates": [],
+           "code": 0,
+           "msg": ""
+       }],
+       "getStateType": 0,
+       "code": 0,
+       "msg": "OK"
+  };
+
+  async joystick(actionRequest) {
+    try {
+      const userId = actionRequest['user_id'];
+      const traceId = actionRequest['trace_id'];
+      const dir_action = actionRequest['dir_action'];
+      const user = this.users[userId];
+     
+      //只是移动人物
+      if(dir_action.speed_level<7){
+        user.player.angle.yaw = dir_action.move_angle;
+        this.reply['newUserStates'][0]['userId'] = userId;
+        this.reply['newUserStates'][0].playerState.player.position = user.player.position;
+        this.reply['newUserStates'][0].playerState.player.angle.yaw = dir_action.move_angle;
+
+        this.reply['newUserStates'][0].playerState.camera.position = user.camera.position;
+        this.reply['newUserStates'][0].playerState.camera.angle = user.camera.angle;
+
+        this.reply['newUserStates'][0].playerState.cameraCenter = user.camera.position;
+ 
+        this.reply['actionResponses'][0].traceId = traceId;
+
+        return this.reply;
+      }
+      //选择过渡
+      else{
+        const breakPointId = user.breakPointId;
+        //先矫正
+        //去redis里找邻居点
+        //key：breakpoints:app_id:10016:break_point_id:1
+        //value:contact,position 
+        const contact = [];
+        let chooseBreakPointId = null;
+        let minOffsetAngle = null;
+        let neighPoint = null
+        let angle = 0;
+        for(let i=0;i<contact.length;++i){
+            neighPoint = null           //通过contact[i],去redis里找
+            angle = 0;              //通过user.player.position;neighPoint.position获得角度
+            if(Math.abs(angle - dir_action.move_angle)<45&&(minOffsetAngle == null||Math.abs(angle - dir_action.move_angle)<minOffsetAngle)){
+                chooseBreakPointId = contact[i];
+                minOffsetAngle = Math.abs(angle - dir_action.move_angle);
+            }
+        }
+
+        if(chooseBreakPointId == null){
+            return null;
+        }
+        else{
+            //人物矫正
+            user.player.angle.yaw = angle;
+            
+            //相机纠正
+            let replys = [];
+            let traceIds = [];
+            traceIds.push(traceId);  
+      
+            let checkReplys = [];
+            angle = user.camera.angle.yaw%45;   //纠正需要
+            for(let i=0;i<angle;++i){
+               //let reply = rotateService.rotateForAngle(userId,(angle+i)%359);
+               //reply.traceIds = [];
+               //reply.traceIds.push(traceId);
+               //let actionResponse = rotateService.createActionResponse(actionType,trace_id);
+               //reply.actionResponses = [];
+               //reply.actionResponses.push(actionResponse);
+               //checkReplys.push(reply);
+            }
+            replys.push(checkReplys);
+
+            //过渡
+            //读redis里的数据，按照frame_index的大小排序
+            //key:moveframe:app_id+breakPointId+chooseBreakPointId+index
+            //value：frame_index，file_name，camera_position，camera_angle
+            let moveFrames = [];     //value赋值
+            //MoveService.createCacheReplys(moveFrames,traceId,userId,user.player.position,neighPoint.position)
+        }
+      }
+
+
+
+      const path = [100,99,97];    //需要计算路径
+      const angle = user.camera.angle.yaw%45;   //纠正需要
+      const index = Math.round(user.camera.angle.yaw/45);  //过渡需要
+
+      let replys = [];
+      let traceIds = [];
+      traceIds.push(traceId);  
+
+      //纠正，旋转传到缓存里
+      let checkReplys = [];
+      for(let i=0;i<angle;++i){
+         //let reply = rotateService.rotateForAngle(userId,(angle+i)%359);
+         //checkReplys.push(reply);
+      }
+      replys.push(checkReplys);
+
+      //过渡传到缓存里
+      this.reply.traceIds = traceIds;
+      this.reply['newUserStates'][0].userId = userId;
+      this.reply['actionResponses'][0].traceId = traceId;
+      
+      for(let i=0;i<path.length-1;++i){
+        let pathReplys = [];
+        let start_break_point_id = path[i];
+        let end_break_point_id = path[i+1];
+        //读redis里的数据，按照frame_index的大小排序
+        //key:moveframe:app_id+start_break_point_id+end_break_point_id+index
+        //value：frame_index，file_name，camera_position，camera_angle
+        let moveFrames = [];     //value赋值
+
+        //读redis里的数据
+        //key:breakpoints:app_id:10016:break_point_id:112
+        let startBreakPoint,endBreakPoint;    //value赋值
+        pathReplys = this.createCacheReplys(moveFrames,traceId,userId,startBreakPoint.position,endBreakPoint.position);
+        replys.push(pathReplys);
+      }
+
+      return replys;
+      
+    } catch (error) {
+      console.log('MoveService', error);
+    }
+  }
+
+  createCacheReplys(moveFrames,traceId,userId,startPosition,endPosition){
+
+    let replys = [];
+    for(let i = 1;i<moveFrames.length;++i){
+        let moveFrame = moveFrames[i];
+
+        let reply = JSON.parse(JSON.stringify(this.reply));
+        reply.traceIds.push(traceId);
+        reply['newUserStates'][0].userId = userId;
+    
+        reply['newUserStates'][0].playerState.player.position = {
+            x:(endPosition.x - startPosition.x)/moveFrames.length*i,
+            y:(endPosition.y - startPosition.y)/moveFrames.length*i,
+            z:(endPosition.z - startPosition.z)/moveFrames.length*i
+        }
+        reply['newUserStates'][0].playerState.player.angle = this.users[userId].player.angle;
+
+        reply['newUserStates'][0].playerState.camera.position = moveFrame.camera_position;
+        reply['newUserStates'][0].playerState.camera.angle = moveFrame.camera_angle;
+        reply['newUserStates'][0].playerState.cameraCenter = reply['newUserStates'][0].playerState.player.position;
+    
+        reply['actionResponses'][0].traceId = traceId;
+        replys.push(reply);
+    }
+    return replys;
+
+  }
+}