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111 lines
3.4 KiB
C#
111 lines
3.4 KiB
C#
2 years ago
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using System;
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using Entitas;
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using UnityEngine;
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using Game;
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/// <summary>
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/// 交互系统 带InteractComp的是可交互物 类型为门、宝箱、怪物等
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/// </summary>
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public class InteractSystem : IExecuteSystem, IInitializeSystem
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{
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private IGroup<GameEntity> _entities;
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private const float SearchWaitTimeMax = 0.2f;
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private float _searchWaitTimeLeft = 0;
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public void Initialize()
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{
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_entities = Util.GetGroup(GameMatcher.Interact);
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EventManager.Instance.AddEvent<PPlayerInput>(EEvent.PlayerInput, OnPlayerAction);
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}
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public void Execute()
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{
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if (!Util.IsControl())
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{
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return;
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}
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var master = Util.GetMaster();
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UpdateInteract(master);
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}
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public void UpdateInteract(GameEntity entity)
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{
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//TODO 瞬间触发多次的问题
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var combo = entity.combo;
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var target = combo.TargetInteract;
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_searchWaitTimeLeft -= Time.deltaTime;
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if (_searchWaitTimeLeft <= 0)
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{
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var newTarget = FindTarget(entity);
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if (newTarget != target.Value)
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{
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if (target.Value > 0)
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{
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Util.SetIsTarget(target.Value, false);
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}
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if (newTarget > 0)
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{
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Util.SetIsTarget(newTarget, true);
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}
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}
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target.Value = newTarget;
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_searchWaitTimeLeft = SearchWaitTimeMax;
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}
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}
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private int FindTarget(GameEntity entity)
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{
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var combo = entity.combo;
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var newTarget = 0;
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var distanceMin = float.MaxValue;
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foreach (var target in _entities)
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{
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if (!target.interact.IsActive.Value)
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{
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continue;
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}
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var entityID = target.ID();
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var distance = Vector3.Distance(entity.Pos(), target.Pos());
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if (distance > GameConst.InteractRange)
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{
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continue;
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}
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if (distance < distanceMin)
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{
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newTarget = entityID;
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distanceMin = distance;
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}
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}
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return newTarget;
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}
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private void Interact(GameEntity entity)
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{
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var interact = entity.interact;
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switch (interact.InteractType)
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{
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case EInteractType.Door:
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Util.EnterLevel(interact.TargetId);
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break;
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case EInteractType.Npc:
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Util.StartDrama(interact.TargetId);
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break;
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case EInteractType.Monster:
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Util.Print("处决", entity.ID());
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break;
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case EInteractType.Bless:
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Util.OpenBlessUI((EElementType)Enum.Parse(typeof(EElementType), interact.TargetId, true));
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Util.DestroyEntity(entity);
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break;
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}
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}
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private void OnPlayerAction(PPlayerInput info)
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{
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if (info.Action == EKeyActionType.Press && info.Key == EFunctionKey.Interact)
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{
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var master = Util.GetMaster();
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var combo = master.combo;
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var target = combo.TargetInteract;
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if (target.Value > 0)
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{
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Interact(Util.GetEntity(target.Value));
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target.Value = 0;
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}
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}
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}
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}
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