From 418d98deea6c30f4d7cdd4160c77f606e02c909c Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwe@kingsome.cn>
Date: Tue, 30 Mar 2021 14:05:06 +0800
Subject: [PATCH] 1

---
 server/gameserver/hero.ai.cc | 24 ++++++++++++------------
 server/gameserver/hero.ai.h  |  5 +++--
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/server/gameserver/hero.ai.cc b/server/gameserver/hero.ai.cc
index 348b0b0..a1fdfa9 100644
--- a/server/gameserver/hero.ai.cc
+++ b/server/gameserver/hero.ai.cc
@@ -136,7 +136,7 @@ void HeroAI::UpdateThinking()
     } else {
         Human* target = GetTarget();
         if (target) {
-            node_.target = target;
+            node_.target.Attach(target);
             ChangeToStateAI(HSE_Attack);
         } else {
             if (hero->room->GetFrameNo() >= node_.next_random_move_frameno) {
@@ -156,7 +156,7 @@ void HeroAI::UpdateThinking()
 void HeroAI::UpdateAttack()
 {
     Hero* myself = (Hero*)owner;
-    if (!node_.target || node_.target->dead) {
+    if (!node_.target.Get() || node_.target.Get()->dead) {
         ChangeToStateAI(HSE_Thinking);
         return;
     }
@@ -164,7 +164,7 @@ void HeroAI::UpdateAttack()
         ChangeToStateAI(HSE_Thinking);
         return;
     }
-    float distance = myself->GetPos().Distance(node_.target->GetPos());
+    float distance = myself->GetPos().Distance(node_.target.Get()->GetPos());
     if (distance > GetAttackRange()) {
         if (ai_meta->i->pursuit_radius() <= 0) {
             //站桩
@@ -222,7 +222,7 @@ void HeroAI::UpdateRandomWalk()
 void HeroAI::UpdatePursuit()
 {
     Hero* myself = (Hero*)owner;
-    float distance = myself->GetPos().Distance(node_.target->GetPos());
+    float distance = myself->GetPos().Distance(node_.target.Get()->GetPos());
     if (!myself->HasBuffEffect(kBET_Jump) &&
         distance < GetAttackRange()) {
         ChangeToStateAI(HSE_Attack);
@@ -255,7 +255,7 @@ void HeroAI::ChangeToStateAI(HeroState_e to_state)
     switch (to_state) {
     case HSE_Idle:
         {
-            node_.target = nullptr;
+            node_.target.Reset();
             node_.param1 = 0;
             node_.start_shot_frameno = 0;
             node_.shot_times = 0;
@@ -271,7 +271,7 @@ void HeroAI::ChangeToStateAI(HeroState_e to_state)
         break;
     case HSE_Thinking:
         {
-            node_.target = nullptr;
+            node_.target.Reset();
             node_.param1 = 0;
             node_.start_shot_frameno = 0;
             node_.shot_times = 0;
@@ -290,7 +290,7 @@ void HeroAI::ChangeToStateAI(HeroState_e to_state)
     case HSE_RandomWalk:
         {
             moving_ = true;
-            node_.target = nullptr;
+            node_.target.Reset();
             #if 1
             node_.param1 = SERVER_FRAME_RATE * ai_meta->GetMoveTime();
             #else
@@ -314,8 +314,8 @@ void HeroAI::ChangeToStateAI(HeroState_e to_state)
     case HSE_Pursuit:
         {
             moving_ = true;
-            if (node_.target) {
-                hero->move_dir = node_.target->GetPos() - hero->GetPos();
+            if (node_.target.Get()) {
+                hero->move_dir = node_.target.Get()->GetPos() - hero->GetPos();
                 hero->move_dir.Normalize();
                 #if 0
                 hero->attack_dir = hero->move_dir;
@@ -363,7 +363,7 @@ Human* HeroAI::GetTarget()
              }
          });
     if (target) {
-        node_.nearest_human = target;
+        node_.nearest_human.Attach(target);
         node_.last_check_nearest_human_frameno = myself->room->GetFrameNo();
         float distance = myself->GetPos().Distance(target->GetPos());
         if (distance > GetAttackRange()) {
@@ -389,14 +389,14 @@ float HeroAI::GetAttackRange()
 void HeroAI::DoShotAI()
 {
     Hero* myself = (Hero*)owner;
-    if (!node_.target) {
+    if (!node_.target.Get()) {
         return;
     }
 
     bool shot_ok = false;
     a8::Vec2 shot_dir = myself->attack_dir;
     if (node_.total_shot_times >= node_.next_total_shot_times) {
-        shot_dir = node_.target->GetPos() - myself->GetPos();
+        shot_dir = node_.target.Get()->GetPos() - myself->GetPos();
         node_.next_total_shot_times += 7 + (rand() % 6);
         myself->attack_dir = shot_dir;
     }
diff --git a/server/gameserver/hero.ai.h b/server/gameserver/hero.ai.h
index 4442c50..7d853a0 100644
--- a/server/gameserver/hero.ai.h
+++ b/server/gameserver/hero.ai.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "aicomponent.h"
+#include "weakptr.h"
 
 namespace MetaData
 {
@@ -30,8 +31,8 @@ public:
     int next_total_shot_times = 0;
 
     long long param1 = 0;
-    Human* target = nullptr;
-    Human* nearest_human = nullptr;
+    CreatureWeakPtr target;
+    CreatureWeakPtr nearest_human;
     long long last_check_nearest_human_frameno = 0;
     a8::Vec2 shot_dir;
 };