JSJP_School/LN_School/SportPathVC.m

//
//  SportPathVC.m
//  LN_School
//
//  Created by EchoShacolee on 2017/8/7.
//  Copyright © 2017年 Danson. All rights reserved.
//

#import "SportPathVC.h"
#import "DateView.h"

// 运动结点信息类
@interface BMKSportNode : NSObject

//经纬度
@property (nonatomic, assign) CLLocationCoordinate2D coordinate;
//方向（角度）
@property (nonatomic, assign) CGFloat angle;
//距离
@property (nonatomic, assign) CGFloat distance;
//速度
@property (nonatomic, assign) CGFloat speed;

@end

@implementation BMKSportNode

@synthesize coordinate = _coordinate;
@synthesize angle = _angle;
@synthesize distance = _distance;
@synthesize speed = _speed;

@end

// 自定义BMKAnnotationView，用于显示运动者
@interface SportAnnotationView : BMKAnnotationView

@property (nonatomic, strong) UIImageView *imageView;

@end

@implementation SportAnnotationView

@synthesize imageView = _imageView;

- (id)initWithAnnotation:(id<BMKAnnotation>)annotation reuseIdentifier:(NSString *)reuseIdentifier {
    self = [super initWithAnnotation:annotation reuseIdentifier:reuseIdentifier];
    if (self) {
        [self setBounds:CGRectMake(0.f, 0.f, 22.f, 22.f)];
        _imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0.f, 0.f, 22.f, 22.f)];
        _imageView.image = [UIImage imageNamed:@"sportarrow.png"];
        [self addSubview:_imageView];
    }
    return self;
}

@end


@interface SportPathVC ()<BMKMapViewDelegate>
{
    BMKPolyline* polyline;
    BMKPointAnnotation *sportAnnotation;
    SportAnnotationView *sportAnnotationView;
    
    NSMutableArray *sportNodes;//轨迹点
    NSInteger sportNodeNum;//轨迹点数
    NSInteger currentIndex;//当前结点
    
    NSString *theDate;
}

/**播放速度系数 最大1.9 最小0.1 */
@property (nonatomic, assign) CGFloat playSpeedFactor;

@end

@implementation SportPathVC

- (void)viewDidLoad {
    [super viewDidLoad];
    
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"yyyy-MM-dd"];
    
    self.title = [dateFormatter stringFromDate:[NSDate date]];
    [self goBackByNavigation];
    
    //适配ios7
    if( ([[[UIDevice currentDevice] systemVersion] doubleValue]>=7.0)) {
        self.navigationController.navigationBar.translucent = NO;
    }
    
    _mapView.zoomLevel = 15;
    _mapView.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放
    
    theDate = self.title;
    sportNodes = [[NSMutableArray alloc] init];
    //初始化轨迹点
    [self getTrackPlayBack];
//    [self initSportNodes];//测试用
//    [self createRightBtn];
}

-(void)createRightBtn{
    
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]initWithTitle:@"列表" style:UIBarButtonItemStylePlain target:self action:@selector(running)];
    self.navigationItem.rightBarButtonItem.tintColor = RQMianColor;
}



-(void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    [_mapView viewWillAppear];
    _mapView.delegate = self; // 此处记得不用的时候需要置nil，否则影响内存的释放
}

-(void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    [_mapView viewWillDisappear];
    _mapView.delegate = nil; // 不用时，置nil
}

- (void)dealloc {
    if (_mapView) {
        _mapView = nil;
    }
}

//初始化轨迹点 测试用
- (void)initSportNodes {
#if 0
    //读取数据
    //@RQ-MARK
    NSString *path = [[NSBundle mainBundle]pathForResource:@"test3" ofType:@"txt"];
    NSFileHandle *fh = [NSFileHandle fileHandleForReadingAtPath:path];
    NSData *data = [fh readDataToEndOfFile];
    if (data) {
        NSArray *array = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil][@"body"];
        for (NSDictionary *dic in array) {
            if ([dic[@"GPI_BD_LATITUDE"] length] < 1 || [dic[@"GPI_BD_LONGITUDE"] length] < 1) {
                continue;
            }
            BMKSportNode *sportNode = [[BMKSportNode alloc] init];
            sportNode.coordinate = CLLocationCoordinate2DMake([dic[@"lat"] doubleValue], [dic[@"lon"] doubleValue]);
            if ([dic[@"GPI_BD_LATITUDE"] floatValue] > [dic[@"GPI_BD_LONGITUDE"] floatValue]) {
                //这种情况是服务器经纬度反了 @RQ-MARK
                sportNode.coordinate = CLLocationCoordinate2DMake([dic[@"GPI_BD_LONGITUDE"] floatValue], [dic[@"GPI_BD_LATITUDE"] floatValue]);
            }
            //            sportNode.angle = [dic[@"angle"] doubleValue];
            //            sportNode.distance = [dic[@"distance"] doubleValue];
            //            sportNode.speed = [dic[@"speed"] doubleValue];
            [sportNodes addObject:sportNode];
        }
    }
    sportNodeNum = sportNodes.count;
#else
    
    //读取数据
    NSData *jsonData = [NSData dataWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"sport_path" ofType:@"json"]];
    if (jsonData) {
        NSArray *array = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers error:nil];
        for (NSDictionary *dic in array) {
            BMKSportNode *sportNode = [[BMKSportNode alloc] init];
            sportNode.coordinate = CLLocationCoordinate2DMake([dic[@"lat"] doubleValue], [dic[@"lon"] doubleValue]);
            sportNode.angle = [dic[@"angle"] doubleValue];
            sportNode.distance = [dic[@"distance"] doubleValue];
            sportNode.speed = [dic[@"speed"] doubleValue];
            [sportNodes addObject:sportNode];
            
            NSLog(@"xxxx-- %f",sportNode.distance);
        }
    }
    sportNodeNum = sportNodes.count;
    
#endif
}

//添加内置覆盖物
- (void)addOverlayView {
    
    CLLocationCoordinate2D paths[sportNodeNum];
    for (NSInteger i = 0; i < sportNodeNum; i++) {
        BMKSportNode *node = sportNodes[i];
        paths[i] = node.coordinate;
    }
    polyline = [BMKPolyline polylineWithCoordinates:paths count:sportNodeNum];
    [_mapView addOverlay:polyline];
    
    if (!sportAnnotation) {
        sportAnnotation = [[BMKPointAnnotation alloc]init];
    }
    sportAnnotation.coordinate = paths[0];
    sportAnnotation.title = self.carNum;
    [_mapView addAnnotation:sportAnnotation];
    currentIndex = 0;
}

//runing
- (void)running {
    
    if (sportNodeNum == 0) {
        return;
    }
    
    BMKSportNode *node = [sportNodes objectAtIndex:currentIndex % sportNodeNum];
    sportAnnotationView.imageView.transform = CGAffineTransformMakeRotation(node.angle);
//    double time = 3;
//    if (node.speed != 0) {
//        time = node.distance/node.speed*1000;//真实时间*10 *100？
//        if (time>10) {
//            time = 10;
//        }
//        NSLog(@"zz--- %lf",time);
//    }
    
    CGFloat time = 0.1;
    if (sportNodeNum < 60) {
        time = 0.2;
    }else if (sportNodeNum < 120) {
        time = 0.1;
    }else if (sportNodeNum < 240) {
        time = 0.05;
    }else if (sportNodeNum < 480) {
        time = 0.025;
    }else if (sportNodeNum < 960) {
        time = 0.0125;
    }else {
        time = 0.01;
    }
    
    
    [UIView animateWithDuration:time*_playSpeedFactor animations:^{
        currentIndex++;
        BMKSportNode *node = [sportNodes objectAtIndex:currentIndex % sportNodeNum];
        sportAnnotation.coordinate = node.coordinate;
    } completion:^(BOOL finished) {
        if (currentIndex == sportNodeNum) {
            currentIndex = 0;
            return;
        }
        [self running];
    }];
}

#pragma mark - btnClick

- (IBAction)playBtn:(id)sender {
    if (sportNodes.count == 0) {
        ShowMsg([NSString stringWithFormat:@"车辆“%@”在%@当天没有轨迹记录,请重新选择日期",self.carNum,self.title]);
        return;
    }
    
    if (currentIndex != 0) {
        return;//运动中
    }
    
    [self running];
}
- (IBAction)selectDate:(id)sender {
    DateView *dateV = [[DateView alloc] init];
    
    [dateV setStyle:0];
    [dateV showWithComplete:^(NSString * result) {
        //更新UI
        theDate = result;
        self.title = result;
        
        [_mapView removeAnnotation:sportAnnotation];
        [_mapView removeOverlay:polyline];
        
        [sportNodes removeAllObjects];
        sportNodeNum = 0;
        
        [self getTrackPlayBack];
    }];
}



- (IBAction)speedUpAction:(UIButton *)sender {
    
    if (_playSpeedFactor > 0.1) {
        _playSpeedFactor -= 0.1;
    }else {
        ShowMsg(@"已达最大速度！");
    }
}


- (IBAction)slowDownAction:(UIButton *)sender {
    
    if (_playSpeedFactor < 1.9) {
        _playSpeedFactor += 0.1;
    }else {
        ShowMsg(@"已达最小速度！");
    }
}



#pragma mark - BMKMapViewDelegate

//- (void)mapViewDidFinishLoading:(BMKMapView *)mapView {
//    [self addOverlayView];
//}

//根据overlay生成对应的View
- (BMKOverlayView *)mapView:(BMKMapView *)mapView viewForOverlay:(id <BMKOverlay>)overlay
{
    if ([overlay isKindOfClass:[BMKPolyline class]])
    {
        BMKPolylineView* polygonView = [[BMKPolylineView alloc] initWithOverlay:overlay];
        polygonView.strokeColor = [[UIColor blackColor] initWithRed:0.0 green:0.5 blue:0.0 alpha:0.6];
        polygonView.lineWidth = 1.5;
        return polygonView;
    }
    return nil;
}


// 根据anntation生成对应的View
- (BMKAnnotationView *)mapView:(BMKMapView *)mapView viewForAnnotation:(id <BMKAnnotation>)annotation
{
    if (sportAnnotationView == nil) {
        sportAnnotationView = [[SportAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"sportsAnnotation"];
        
        sportAnnotationView.draggable = NO;
        BMKSportNode *node = [sportNodes firstObject];
        sportAnnotationView.imageView.transform = CGAffineTransformMakeRotation(node.angle);
        
    }
    return sportAnnotationView;
}

- (void)mapView:(BMKMapView *)mapView didAddAnnotationViews:(NSArray *)views {
    [self running];
}


#pragma mark 网络请求
-(void)getTrackPlayBack{
    
    if (![NetManager connectedToNetWork]) {
        showMsgUnconnect();
        return;
    }
    
    NSMutableDictionary *dic = [NSMutableDictionary dictionary];
    [dic setObject:self.simStr  forKey:@"sim"];
    [dic setObject:theDate                  forKey:@"cdTime"];
    
    NSString *method = @"getTrackPlayBack";
    [NetManager requestAnythingWithURL:method dictionary:dic dataArray:nil completion:^(NSDictionary *root) {
        
        if (!root) {
            ShowMsg(@"数据请求失败,请重试");
            return;
        }
        if ([root[@"code"] integerValue] == 1) {
            ShowMsg(root[@"msg"]);
            return;
        }

        BOOL isSetCenter = NO;
        
        NSArray *array = root[@"body"];
        if (array.count > 0) {
            
            for (NSDictionary *dic in array) {
                
                if ([dic[@"LAT"] length] < 1 || [dic[@"LON"] length] < 1) {
                    continue;
                }
                
                BMKSportNode *sportNode = [[BMKSportNode alloc] init];
                sportNode.coordinate = CLLocationCoordinate2DMake([dic[@"LAT"] doubleValue], [dic[@"LON"] doubleValue]);
                sportNode.angle    = [dic[@"DIRECTION"] doubleValue];
                sportNode.distance  = [dic[@"MILEAGE"] doubleValue];
                sportNode.speed    = [dic[@"LOCATIONSPEED"] doubleValue];
                [sportNodes addObject:sportNode];//调接口前有做清零
                
                if (!isSetCenter) {
                    _mapView.centerCoordinate = sportNode.coordinate;
                    isSetCenter = YES;
                }
//                NSLog(@"xxxx-- 方向%f  距离%f  速度%f",sportNode.angle,sportNode.distance,sportNode.speed);
            }
            
            _playSpeedFactor = 1.0;
            sportNodeNum = sportNodes.count;
            [self addOverlayView];
        }else{
            
            //没有运动轨迹
            ShowMsg([NSString stringWithFormat:@"车辆“%@”在%@当天没有轨迹记录,请重新选择日期",self.carNum,self.title]);
        }
        
    }];
}


@end