cpnav/lib/pages/pass_track/controller.dart

import 'dart:ui';
import "dart:ffi" as ffi;
import 'package:get/get.dart';
import 'package:scence_map/controller.dart';
import 'package:cpnav/service/base.dart';
import 'package:pass_track/pass_track.dart';
import 'sevice/file_handle.dart';

FileHandle fileHandle = FileHandle();
ScenceMapController mapcontroller = Get.put(ScenceMapController());

class PassTrackController extends GetxController {
  var tileCount = 0.obs;
  var tileFirst = 0.obs;
  var tileLast = 0.obs;
  final mapController = Get.put(ScenceMapController());

  String projCode;
  String projType;
  var speed = 1.obs;
  late final GetServices service;

  PassTrackController(this.projCode, this.projType);
  Map<String, int> deviceMap = {};
  Map<String, int> coorTransMap = {};
  // final PassTrack _passTrackPlugin;
  final PassTrack _passTrackPlugin = PassTrack();
  @override
  void onInit() {
    super.onInit();
    service = GetServices(projCode: projCode, projType: projType);
    loadProject();
    // loadSideLine();
    loadBindDevice();
    // getHisFileList();
    var future = getHisFileList(_passTrackPlugin);

    //   var maxLen =
    //       controller.allLen > 0 ? controller.allLen : 1.0; // 确保 maxLen 大于 0
    //   _rangevalues = SfRangeValues(0.0, maxLen);
    //   SchedulerBinding.instance.addPostFrameCallback((_) async {
    //     sWidth = sqrt(screen.width * screen.width + screen.height * screen.height)
    //         .ceil();

    //     // scenceMapController.scale = passTrackPlugin.passTrack_getScale() * 1.0;
    //     fileHandle.date = widget.date;
    //     await fileHandle.init();
    //     //在帧绘制完成后执行数据渲染
    //     // await initPlatformState();
    //     if (fileHandle.pointData.isNotEmpty) {
    //       DecodeDataObj obj = fileHandle.pointData[0].obj!;
    //       scenceMapController.centerXY = Offset(obj.y / 20, obj.x / 20);
    //     }

    //     for (var item in fileHandle.deviceList) {
    //       if (item["point"] != null) {
    //         bits = item["bits"];
    //         break;
    //       }
    //     }
    //     // passTrackPlugin.map_setCenterDevice(bits);
    //     setState(() {
    //       if (fileHandle.pointData.isNotEmpty) {
    //         maxLength = fileHandle.pointData.length;
    //         // _value = maxLength;
    //         _rangevalues = SfRangeValues(0.0, maxLength.toDouble());
    //       }
    //     });
    // });

    var f = initPlatformState();

    f.then((void _) {
      _passTrackPlugin.setGridColor(const Color.fromARGB(255, 0, 0, 0).value);
      _passTrackPlugin.drawGrid();

      future.then((value) {
        _passTrackPlugin.setScale(1);
        for (var TID in deviceMap.keys) {
          _passTrackPlugin.addDevice(int.parse(TID), 0);
        }
        for (var item in coorTransMap.entries) {
          print("tid:${item.key} value:${item.value}");
        }
        // 统计用时 获取当前时间
        var start = DateTime.now().millisecondsSinceEpoch;
        // _passTrackPlugin.generateTile(0, value);
        _passTrackPlugin.waitForTile(() {
          var start = DateTime.now().millisecondsSinceEpoch;
          print("len: ${_passTrackPlugin.allTileCnt()}");
          tileCount.value = _passTrackPlugin.allTileCnt();
          // _rangevalues = SfRangeValues(0, _passTrackPlugin.allTileCnt());
          _passTrackPlugin.playTrack(
              0, _passTrackPlugin.allTileCnt(), true, 0, ffi.nullptr);
          var end = DateTime.now().millisecondsSinceEpoch;
          print("play: ${end - start}");
        });
        // _passTrackPlugin.drawGrid();
        // 获取当前时间
      });
    });
  }

  loadBindDevice() async {
    var binddevices = await service.getDeviceBind();
    for (var device in binddevices) {
      var dev = DeviceItem.fromJson(device);
      deviceMap[dev.TID.toString()] = 0;
      // deviceMap[dev.TID as String] = dev[int.parse(dev["width"])];
    }
  }

  loadCoorTrans() async {}

  loadProject() async {}

  loadSideLine() async {
    var data = await service.getSideLine();
    double maxX = -double.infinity;
    double maxY = -double.infinity;
    double minX = double.infinity;
    double minY = double.infinity;
    var sideLineData = data as Map<String, dynamic>;
    sideLineData.forEach((group, items) {
      for (var item in items) {
        SideLineItem sideLineItem = SideLineItem.fromJson(item);
        var sideLineList = mapController.sideLinListeMap[group];
        if (sideLineList == null) {
          sideLineList = [];
          mapController.sideLinListeMap[group] = sideLineList;
        }
        sideLineList.add(sideLineItem);
        if (sideLineItem.x > maxX) {
          maxX = sideLineItem.x;
        }
        if (sideLineItem.y > maxY) {
          maxY = sideLineItem.y;
        }
        if (sideLineItem.x < minX) {
          minX = sideLineItem.x;
        }
        if (sideLineItem.y < minY) {
          minY = sideLineItem.y;
        }
      }
    });
    if (maxX != -double.infinity &&
        maxY != -double.infinity &&
        minX != double.infinity &&
        minY != double.infinity) {
      mapController.centerXY = Offset((maxX + minX) / 2, (maxY + minY) / 2);
    }
  }

  Future<int> getHisFileList(PassTrack passTrackPlugin) async {
    Map textlist = await GetServices().getHisFileList();
    List fileList = textlist['list'];
    for (var i = 0; i < fileList.length; i++) {
      var file = fileList[i];
      var jsData = await GetServices().getHisFil1(file);
      print("have message");
      int len = fileHandle.resolveJson(jsData, passTrackPlugin);
      tileCount.value += len;
      if (tileCount.value >= 20000) {
        break;
      }
    }
    coorTransMap = fileHandle.pointsMap;
    return tileCount.value;
  }

  Future<void> initPlatformState() async {
    String platformVersion;
    try {
      platformVersion = await _passTrackPlugin.getPlatformVersion() ??
          'Unknown platform version';
    } on Exception {
      platformVersion = 'Failed to get platform version.';
    }
    await _passTrackPlugin.create(
        mapcontroller.height.toInt(), mapcontroller.width.toInt());
    fileHandle.textureId = await _passTrackPlugin.getTextureId() ?? -1;
    print("textureId: ${fileHandle.textureId}");
    print("${mapcontroller.height.toInt()}");

    // if (!mounted) Exception('Failed to get textureId.');

    // setState(() {
    //   platformVersion = platformVersion;
    // });
    return;
  }
}