地图组件和ECS框架完成

lib/ecs/component.dart

@@ -0,0 +1,90 @@
+import 'package:flutter/material.dart';
+import 'package:maplibre_gl/maplibre_gl.dart';
+import 'entity.dart';
+
+/// 组件基类 - 代表实体的属性
+abstract class Component {
+  final String id;
+  Entity? entity;
+
+  Component({String? id}) : id = id ?? "${DateTime.now().millisecondsSinceEpoch}";
+}
+
+/// 标绘组件 - 用于在地图上绘制图形
+class PlotComponent extends Component {
+  final String plotType;
+  final List<LatLng> coordinates;
+  final Color color;
+  final double strokeWidth;
+
+  PlotComponent({
+    super.id,
+    required this.plotType,
+    required this.coordinates,
+    this.color = Colors.red,
+    this.strokeWidth = 2.0,
+  });
+}
+
+/// 图标组件 - 用于在地图上显示图标
+class IconComponent extends Component {
+  final String iconPath;
+  LatLng position;
+  final double size;
+
+  IconComponent({
+    super.id,
+    required this.iconPath,
+    required this.position,
+    this.size = 30.0,
+  });
+}
+
+/// 拖尾组件 - 用于显示移动实体的轨迹
+class TrailComponent extends Component {
+  final List<LatLng> trailPoints;
+  final Color trailColor;
+  final double maxLength;
+
+  TrailComponent({
+    super.id,
+    List<LatLng>? trailPoints,
+    this.trailColor = Colors.blue,
+    this.maxLength = 20.0,
+  }) : trailPoints = trailPoints ?? [];
+
+  void addPoint(LatLng point) {
+    trailPoints.add(point);
+    if (trailPoints.length > maxLength) {
+      trailPoints.removeAt(0);
+    }
+  }
+}
+
+/// 音频组件 - 用于播放与实体相关的音频
+class AudioComponent extends Component {
+  final String audioPath;
+  final bool loop;
+  final double volume;
+
+  AudioComponent({
+    super.id,
+    required this.audioPath,
+    this.loop = false,
+    this.volume = 1.0,
+  });
+}
+
+/// 移动组件 - 用于控制实体的移动
+class MovementComponent extends Component {
+  LatLng position;
+  LatLng? target;
+  double speed;
+
+  MovementComponent({
+    super.id,
+    required this.position,
+    this.target,
+    this.speed = 1.0,
+  });
+}