using UnityEngine;
using System;
using System.Collections;
using System;
using DataTable;public class ObjDropItem : ObjBase {//类型public override OBJ.TYPE GetObjType() { return OBJ.TYPE.DROPITEM; }public const float MAXSPEED = 20;enum State{Load,Delay,Droping,StayOnGround,Pickup,FlyToPlayer,Destory,}//外置表现参数[Tooltip("飞到玩家身上那个高度位置")]public float PlayerOffset = 1.4f;[Tooltip("开启安全模式(TotalLifeTime秒后强制删除)")]public bool SafeMode = true;[Tooltip("存在最长时间(秒)")]public float TotalLifeTime = 300;[Tooltip("掉落都地上高度")]public float DropHight = 0.5f;[Tooltip("掉落都地上用时")]public float DropTime = 0.3f;[Tooltip("多长时间后出现")]public float DelayTime = 0.5f;[Tooltip("自动拾取距离")]public float AutoPickUpDistance = 2.0f;[Tooltip("在地上呆的时间")]public float DropOverDelayTime = 0.2f;[Tooltip("物品速度")][Range(0, 15)]public float MoveSpeed = 10.0f;[Tooltip("距离多少是已经飞到玩家身上")]public float MaxDistance = 0.2f;[Tooltip("控制点离我的直线距离")]public float ControlPointOffsetDistance = 3.0f;[Tooltip("控制点高度")]public float ControlPointOffsetHeight = 2.0f;[Tooltip("控制点速度,必须要大于物品速度")][Range(15, 25)]public float ControlPointSpeed = 15.0f;[Tooltip("速度增量")][Range(0,2)]public float AccSpeed = 0.1f;DropItemController mController;//状态private State mState = State.Load;//生命时间private DateTime mLifeTime = DateTime.Now;//是否可以自动拾取private bool mCanAutoPickup = false;//拥有者idprivate bool mOwnerIsMe;//拥有者拾取保护时间private DateTime mOwnerPickUpProtectionTime;//飞往目标点（也就是服务端实际坐标）private Vector3 mTargetPos;//控制点private Vector3 mControlPoint;//控制点private bool mControlPointReached;//控制点速度private float mControlPointMoveSpeed;//移动速度private float mMoveSpeed;public virtual void Awake(){
#if !UNITY_EDITOR
try
{
#endifbase.Awake();#if !UNITY_EDITOR
}
catch (Exception ex)
{Logger.Error(ex.ToString());
}
#endif}//重置public override void Reset(){base.Reset();mState = State.Load;mLifeTime = DateTime.Now.AddSeconds(TotalLifeTime);mCanAutoPickup = false;mOwnerPickUpProtectionTime = DateTime.Now;}//初始化public override bool Init(InitBaseData initData, Action callback = null){base.Init(initData);Reset();InitDropItemData data = initData as InitDropItemData;mOwnerIsMe = false;mCanAutoPickup = false;var player = ObjManager.Instance.MyPlayer;if (player){if (player.GetObjId() == data.Owner){mOwnerIsMe = true;mCanAutoPickup = true;}}mOwnerPickUpProtectionTime = DateTime.Now.AddSeconds(data.RemianSeconds);mLifeTime = DateTime.Now.AddSeconds(TotalLifeTime);float height = GameLogic.Instance.Scene.GetTerrainHeight(data.TargetPos) + 0.1f;mTargetPos = new Vector3(data.TargetPos.x, height, data.TargetPos.y);LoadRes(() =>{if (true != data.PlayDrop){//需要播放掉落动画Position = mTargetPos;mState = State.StayOnGround;}else{//不需要播放掉落动画this.StartCoroutine(Delay());mState = State.Delay;}if (null != callback)callback();mController = mModel.GetComponent<DropItemController>();if (null != mController){mController.ShowModel(true);mController.ShowEffect(false);}});return true;}//是否可以被拾取public bool CanPickup(){if (State.StayOnGround != mState &&State.Pickup != mState){//只有停留在地上这种状态才能被拾取return false;}if (DateTime.Now<mOwnerPickUpProtectionTime){//当前时间在拥有者保护时间内return mOwnerIsMe;}else {//过了拥有者保护时间谁都可以拾取return true;}}void Update () {
#if !UNITY_EDITOR
try
{
#endifif (true==SafeMode){if (DateTime.Now > mLifeTime){//为了安全，怎么也该消失了Logger.Warn("Drop item[{0}] stays too long", mObjId);mState = State.Destory;if (ObjManager.Instance.FindObjById(mObjId).Equals(this)){ObjManager.Instance.RemoveObj(mObjId);}else{base.Destroy();}return;}}var player = ObjManager.Instance.MyPlayer;if (null == player)return;if (State.StayOnGround == mState){//停在地上if (CanPickup() && mCanAutoPickup){//可以自动拾取float distance = Vector2.Distance(player.Position.xz(), Position.xz());if (distance <= AutoPickUpDistance){//距离足够近var control = UIManager.Instance.GetController(UIConfig.SettingUI);if ((bool)control.CallFromOtherClass("CanPiackUpItem", new object[] { mDataId })){//是否可拾取这种类型物品Pickup();}mCanAutoPickup = false;}}}else if (State.FlyToPlayer == mState){//我拾取成功，物品正在往我身上飞var delta = Time.deltaTime;var temp = player.Position;temp.y += PlayerOffset;//控制点朝着主角飞if(!mControlPointReached){float distance = Vector2.Distance(temp, mControlPoint);if (distance <= MaxDistance){//当前已经飞到了mControlPointReached = true;}else{mControlPointMoveSpeed += delta * AccSpeed;mControlPointMoveSpeed = Math.Min(mControlPointMoveSpeed, MAXSPEED);float moveDis = mControlPointMoveSpeed * delta;if (moveDis >= distance){//这一步就飞到了mControlPointReached = true;}else{//继续移动var controlPointDir = (temp - mControlPoint).normalized;mControlPoint += controlPointDir * moveDis;}}}if (mControlPointReached){mControlPoint = temp;}{//自己朝着控制点飞float dis = Vector3.Distance(mControlPoint, Position);if (dis <= MaxDistance && mControlPointReached){mState = State.Destory;Destroy();return;}else{mMoveSpeed += AccSpeed * delta;mMoveSpeed = Math.Min(mMoveSpeed, MAXSPEED);float moveDis = mMoveSpeed * delta;if(moveDis>=dis){Position = mControlPoint;if (mControlPointReached){mState = State.Destory;Destroy();return;}}else{var dir = (mControlPoint - Position).normalized;Position = Position + dir * moveDis;}}}        }#if !UNITY_EDITOR
}
catch (Exception ex)
{Logger.Error(ex.ToString());
}
#endif
}//拾取public void Pickup(){if(CanPickup()){NetManager.Instance.SendPickUpItemRequest(GetObjId());mState = State.Pickup;}mCanAutoPickup = false;}protected virtual void LoadRes(Action callback = null){string prafabPath = "";var table = Table.GetItemBase(mDataId);if(null==table){Logger.Error("NULL==Table.GetItemBase({0})", mDataId);}else{var tableDrop = Table.GetDropModel(table.DropModel);if (null == tableDrop){Logger.Error("NULL==Table.GetDropModel({0})", table.DropModel);}else{prafabPath = tableDrop.ModelPath;}}if ("" == prafabPath){Logger.Error("null==prafabPath)");return;}UniqueResourceId = GetNextUniqueResourceId();var resId = UniqueResourceId;ComplexObjectPool.NewObject(prafabPath, model =>{if (resId != UniqueResourceId){return;}SetModel(model);//SetScale((float)tableDrop.aScale); 这个缩放放到prefab上if (null != callback){callback();}            });}void PlayDropSound(){var table = Table.GetItemBase(mDataId);if (null != table){var tableDrop = Table.GetDropModel(table.DropModel);if (null != tableDrop){SoundManager.Instance.PlaySoundEffect(tableDrop.SoundId);}}}IEnumerator Delay(){mState = State.Delay;var renderers = mModel.GetComponentsInChildren<Renderer>();foreach (var renderer in renderers){renderer.enabled = false;}yield return new WaitForSeconds(DelayTime);foreach (var renderer in renderers){renderer.enabled = true;}DropToTargetPos();}void DropToTargetPos(){mState = State.Droping;Vector3[] paths=new Vector3[3];paths[0] = Position;paths[1] = (mTargetPos+Position)/2;paths[1].y = Position.y + DropHight;paths[2] = mTargetPos;iTween.MoveTo(gameObject, iTween.Hash("path", paths, "movetopath", true, "orienttopath", false, "time", DropTime, "easetype", iTween.EaseType.linear, "oncomplete", "DropOver"));}void DropOver(){this.StartCoroutine(DropOverStay());}IEnumerator DropOverStay(){yield return new WaitForSeconds(DropOverDelayTime);mState = State.StayOnGround;PlayDropSound();}public override void Destroy(){if(State.FlyToPlayer==mState){return;}base.Destroy();}public void FlyToPlayer(){if (null != mController){mController.ShowModel(false);mController.ShowEffect(true);}var myPos = ObjManager.Instance.MyPlayer.Position;var dir = (Position-myPos).normalized;mControlPoint = Position + dir * ControlPointOffsetDistance;mControlPoint.y += ControlPointOffsetHeight;mControlPointMoveSpeed = ControlPointSpeed;mMoveSpeed = MoveSpeed;mControlPointReached = false;mState=State.FlyToPlayer;}}