From cbb532e4bec11d59f2072441a43b7c797de6d16d Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Fri, 11 Jul 2025 17:40:34 +0200
Subject: Core/Groups: Use iterators instead of raw LinkedListElement to
 interact with group members

---
 src/server/scripts/Commands/cs_group.cpp | 62 +++++++++++++-------------------
 src/server/scripts/Commands/cs_tele.cpp  |  7 ++--
 2 files changed, 27 insertions(+), 42 deletions(-)

(limited to 'src/server/scripts/Commands')

diff --git a/src/server/scripts/Commands/cs_group.cpp b/src/server/scripts/Commands/cs_group.cpp
index 24e412e0c93..83471c9716a 100644
--- a/src/server/scripts/Commands/cs_group.cpp
+++ b/src/server/scripts/Commands/cs_group.cpp
@@ -92,27 +92,24 @@ public:
         if (!groupTarget)
             return false;
 
-        for (GroupReference* it = groupTarget->GetFirstMember(); it != nullptr; it = it->next())
+        for (GroupReference const& it : groupTarget->GetMembers())
         {
-            target = it->GetSource();
-            if (target)
-            {
-                uint8 oldlevel = static_cast<uint8>(target->GetLevel());
+            target = it.GetSource();
+            uint8 oldlevel = static_cast<uint8>(target->GetLevel());
 
-                if (level != oldlevel)
-                {
-                    target->SetLevel(static_cast<uint8>(level));
-                    target->InitTalentForLevel();
-                    target->SetXP(0);
-                }
+            if (level != oldlevel)
+            {
+                target->SetLevel(static_cast<uint8>(level));
+                target->InitTalentForLevel();
+                target->SetXP(0);
+            }
 
-                if (handler->needReportToTarget(target))
-                {
-                    if (oldlevel < static_cast<uint8>(level))
-                        ChatHandler(target->GetSession()).PSendSysMessage(LANG_YOURS_LEVEL_UP, handler->GetNameLink().c_str(), level);
-                    else                                                // if (oldlevel > newlevel)
-                        ChatHandler(target->GetSession()).PSendSysMessage(LANG_YOURS_LEVEL_DOWN, handler->GetNameLink().c_str(), level);
-                }
+            if (handler->needReportToTarget(target))
+            {
+                if (oldlevel < static_cast<uint8>(level))
+                    ChatHandler(target->GetSession()).PSendSysMessage(LANG_YOURS_LEVEL_UP, handler->GetNameLink().c_str(), level);
+                else                                                // if (oldlevel > newlevel)
+                    ChatHandler(target->GetSession()).PSendSysMessage(LANG_YOURS_LEVEL_DOWN, handler->GetNameLink().c_str(), level);
             }
         }
         return true;
@@ -128,15 +125,12 @@ public:
         if (!groupTarget)
             return false;
 
-        for (GroupReference* it = groupTarget->GetFirstMember(); it != nullptr; it = it->next())
+        for (GroupReference const& it : groupTarget->GetMembers())
         {
-            Player* target = it->GetSource();
-            if (target)
-            {
-                target->ResurrectPlayer(target->GetSession()->HasPermission(rbac::RBAC_PERM_RESURRECT_WITH_FULL_HPS) ? 1.0f : 0.5f);
-                target->SpawnCorpseBones();
-                target->SaveToDB();
-            }
+            Player* target = it.GetSource();
+            target->ResurrectPlayer(target->GetSession()->HasPermission(rbac::RBAC_PERM_RESURRECT_WITH_FULL_HPS) ? 1.0f : 0.5f);
+            target->SpawnCorpseBones();
+            target->SaveToDB();
         }
 
         return true;
@@ -153,14 +147,8 @@ public:
         if (!groupTarget)
             return false;
 
-        for (GroupReference* it = groupTarget->GetFirstMember(); it != nullptr; it = it->next())
-        {
-            Player* target = it->GetSource();
-            if (target)
-            {
-                target->DurabilityRepairAll(false, 0, false);
-            }
-        }
+        for (GroupReference const& it : groupTarget->GetMembers())
+            it.GetSource()->DurabilityRepairAll(false, 0, false);
 
         return true;
     }
@@ -204,11 +192,11 @@ public:
             }
         }
 
-        for (GroupReference* itr = group->GetFirstMember(); itr != nullptr; itr = itr->next())
+        for (GroupReference const& itr : group->GetMembers())
         {
-            Player* player = itr->GetSource();
+            Player* player = itr.GetSource();
 
-            if (!player || player == gmPlayer || !player->GetSession())
+            if (player == gmPlayer)
                 continue;
 
             // check online security
diff --git a/src/server/scripts/Commands/cs_tele.cpp b/src/server/scripts/Commands/cs_tele.cpp
index 0e1b2178bac..48866791fcb 100644
--- a/src/server/scripts/Commands/cs_tele.cpp
+++ b/src/server/scripts/Commands/cs_tele.cpp
@@ -249,12 +249,9 @@ public:
             return false;
         }
 
-        for (GroupReference* itr = grp->GetFirstMember(); itr != nullptr; itr = itr->next())
+        for (GroupReference const& itr : grp->GetMembers())
         {
-            Player* player = itr->GetSource();
-
-            if (!player || !player->GetSession())
-                continue;
+            Player* player = itr.GetSource();
 
             // check online security
             if (handler->HasLowerSecurity(player, ObjectGuid::Empty))
-- 
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