ActiveProtect/Models/InfraredTracker.cs

using System;
using ActiveProtect.SimulationEnvironment;

namespace ActiveProtect.Models
{
    /// <summary>
    /// 红外测角仪类
    /// </summary>
    public class InfraredTracker : SimulationElement
    {
        /// <summary>
        /// 当前跟踪的导弹ID
        /// </summary>
        public string? TrackedMissileId { get; private set; }

        /// <summary>
        /// 目标ID
        /// </summary>
        public string? TargetId { get; private set; }


        private readonly InfraredTrackerConfig config;

        /// <summary>
        /// 构造函数
        /// </summary>
        public InfraredTracker(string id, string targetId, InfraredTrackerConfig config, ISimulationManager manager) 
            : base(id, config.InitialPosition, config.InitialOrientation, 0, manager)
        {
            TargetId = targetId;
            this.config = config;
        }

        /// <summary>
        /// 更新红外测角仪状态
        /// </summary>
        public override void Update(double deltaTime)
        {
            if (!IsActive) return;

            UpdateTracking();
        }

        /// <summary>
        /// 更新跟踪状态
        /// </summary>
        private void UpdateTracking()
        {
            if (TrackedMissileId == null || TargetId == null) return;

            var target = SimulationManager.GetEntityById(TargetId);

            if (SimulationManager.GetEntityById(TrackedMissileId) is not InfraredCommandGuidedMissile missile || target == null) return;

            // 计算导弹到测角仪的距离
            double distanceToMissile = Vector3D.Distance(Position, missile.Position);

            // 检查导弹是否在跟踪范围内
            if (distanceToMissile <= config.MaxTrackingRange)
            {
                // 计算测角仪到导弹的向量
                Vector3D trackerToMissile = missile.Position - Position;

                // 计算测角仪到目标的向量
                Vector3D trackerToTarget = target.Position - Position;

                // 发送制导指令事件
                PublishGuidanceCommandEvent(missile.Id, trackerToMissile, trackerToTarget, Id);
            }
            else
            {
                // 导弹超出跟踪范围,停止跟踪
                StopTracking();
            }
        }

        /// <summary>
        /// 停止跟踪
        /// </summary>
        public void StopTracking()
        {
            TrackedMissileId = null;
            TargetId = null;
        }

        /// <summary>
        /// 发布制导指令事件
        /// </summary>
        private void PublishGuidanceCommandEvent(string missileId, Vector3D trackerToMissileVector, Vector3D trackerToTargetVector, string senderId)
        {
            var evt = new InfraredGuidanceCommandEvent
            {
                TargetMissileId = missileId,
                TrackerToMissileVector = trackerToMissileVector,
                TrackerToTargetVector = trackerToTargetVector,
                SenderId = senderId
            };
            SimulationManager.PublishEvent(evt);
        }

        /// <summary>   
        /// 处理红外指令制导导弹点亮红外热源事件
        /// </summary>
        private void OnInfraredGuidanceMissileLight(InfraredGuidanceMissileLightEvent evt)
        {
            // 处理导弹点亮红外热源事件
            TrackedMissileId ??= evt.SenderId;
        }

        /// <summary>
        /// 处理红外指令制导导弹熄灭红外热源事件
        /// </summary>
        private void OnInfraredGuidanceMissileLightOff(InfraredGuidanceMissileLightOffEvent evt)
        {
            // 处理导弹熄灭红外热源事件
            if (evt.SenderId == TrackedMissileId) StopTracking();
        }

        /// <summary>
        /// 激活红外测角仪
        /// </summary>
        public override void Activate()
        {
            base.Activate();
            SimulationManager.SubscribeToEvent<InfraredGuidanceMissileLightEvent>(OnInfraredGuidanceMissileLight);
            SimulationManager.SubscribeToEvent<InfraredGuidanceMissileLightOffEvent>(OnInfraredGuidanceMissileLightOff);
        }

        /// <summary>
        /// 销毁红外测角仪
        /// </summary>
        public override void Deactivate()
        {
            base.Deactivate();
            SimulationManager.UnsubscribeFromEvent<InfraredGuidanceMissileLightEvent>(OnInfraredGuidanceMissileLight);
            SimulationManager.UnsubscribeFromEvent<InfraredGuidanceMissileLightOffEvent>(OnInfraredGuidanceMissileLightOff);
        }

        /// <summary>
        /// 获取红外测角仪状态
        /// </summary>
        public override string GetStatus()
        {
            return $"红外测角仪 {Id}:\n" +
                   $"  位置: {Position}\n" +
                   $"  跟踪导弹: {TrackedMissileId ?? "无"}\n" +
                   $"  目标: {TargetId ?? "无"}\n" +
                   $"  状态: {(IsActive ? "活动" : "已销毁")}\n";
        }

    }
}