using System.Collections.Generic;
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using ActionGameFramework.Health;
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using Core.Utilities;
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using UnityEngine;
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namespace TowerDefense.Towers.TowerLaunchers
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{
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public abstract class Launcher : MonoBehaviour, ILauncher
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{
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protected ParticleSystem particleToPlay;
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/// <summary>
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/// 派生类，只需要真正实现这一个函数就可以了，其它的函数都是通过这一个函数来实现的。
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/// </summary>
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/// <param name="enemy"></param>
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/// <param name="attack"></param>
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/// <param name="firingPoint"></param>
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public abstract void Launch(Targetable enemy, GameObject attack, Transform firingPoint, int idx = 0);
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/// <summary>
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/// Gets an instance of the attack object from the Pool and Launches it
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/// </summary>
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/// <param name="enemies">
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/// The list of enemies to sample from
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/// </param>
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/// <param name="attack">
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/// The object used to attack
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/// </param>
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/// <param name="firingPoints"></param>
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public virtual void Launch(List<Targetable> enemies, GameObject attack, Transform[] firingPoints, int maxAttack = 1)
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{
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int count = enemies.Count;
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int currentFiringPointIndex = 0;
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int firingPointLength = firingPoints.Length;
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count = count > maxAttack ? maxAttack : count;
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for (int i = 0; i < count; i++)
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{
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Targetable enemy = enemies[i];
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Transform firingPoint = firingPoints[currentFiringPointIndex];
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currentFiringPointIndex = (currentFiringPointIndex + 1) % firingPointLength;
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var poolable = Poolable.TryGetPoolable<Poolable>(attack);
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if (poolable == null)
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{
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return;
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}
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//
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// 此处设置局内升级数据对应的攻击数据:
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Damager tm = poolable.gameObject.GetComponent<Damager>();
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if (tm)
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{
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Damager srctm = attack.GetComponent<Damager>();
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tm.inSceneUpGradeDamage = srctm.inSceneUpGradeDamage;
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tm.doubleHit = srctm.doubleHit;
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//Debug.Log("源始局内升级数据是:" + srctm.inSceneUpGradeDamage);
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}
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Launch(enemy, poolable.gameObject, firingPoint, i);
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}
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}
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/// <summary>
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/// Gets a instance of attack from the Pool and Launches it
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/// </summary>
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/// <param name="enemy">
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/// The enemy launcher is attacking
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/// </param>
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/// <param name="attack">
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/// The object used to attack the enemy
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/// </param>
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/// <param name="firingPoints"></param>
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public virtual void Launch(Targetable enemy, GameObject attack, Transform[] firingPoints)
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{
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var poolable = Poolable.TryGetPoolable<Poolable>(attack);
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if (poolable == null)
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{
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return;
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}
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//
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// 此处设置局内升级数据对应的攻击数据:
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Damager tm = poolable.gameObject.GetComponent<Damager>();
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if (tm)
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{
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tm.IsEnhancedBullet = attack.GetComponent<Damager>().IsEnhancedBullet;
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Damager srctm = attack.GetComponent<Damager>();
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tm.inSceneUpGradeDamage = srctm.inSceneUpGradeDamage;
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tm.doubleHit = srctm.doubleHit;
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//
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// 最后一颗子弹的多倍伤害.
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tm.damageMulti = srctm.damageMulti;
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srctm.damageMulti = 1.0f;
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//Debug.Log("源始局内升级数据是:" + srctm.inSceneUpGradeDamage);
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}
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// WORK START: 从 Pool 内获取数据的时候，就把原来的数据清除掉了.
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Launch(enemy, poolable.gameObject, firingPoints[0]); //GetRandomTransform(firingPoints));
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}
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/// <summary>
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/// Sets up a particle system to provide aiming feedback
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/// </summary>
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/// <param name="particleSystemToPlay">
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/// The Particle system to fire
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/// </param>
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/// <param name="origin">
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/// The position of the particle system
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/// </param>
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/// <param name="lookPosition">
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/// The direction the particle system is looking
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/// </param>
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public void PlayParticles(ParticleSystem particleSystemToPlay, Vector3 origin, Vector3 lookPosition)
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{
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if (particleSystemToPlay == null)
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{
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return;
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}
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particleSystemToPlay.transform.position = origin;
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particleSystemToPlay.transform.LookAt(lookPosition);
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particleSystemToPlay.Play();
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// if( !particleToPlay )
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// particleToPlay = Instantiate(particleSystemToPlay);
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// particleToPlay.transform.position = origin;
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// particleToPlay.transform.LookAt(lookPosition);
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// particleToPlay.Play();
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//Debug.Log("播放粒子系统:" + particleSystemToPlay.name);
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}
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/// <summary>
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/// Gets a random transform from a list
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/// </summary>
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/// <param name="launchPoints">
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/// The list of transforms to use
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/// </param>
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public Transform GetRandomTransform(Transform[] launchPoints)
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{
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int index = Random.Range(0, launchPoints.Length);
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return launchPoints[index];
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}
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}
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}
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