feat(Core): Add OnGroupRollRewardItem hook. (#12538)

Added OnGroupRollRewardItem hook.

src/server/game/Groups/Group.cpp

@@ -1448,7 +1448,8 @@ void Group::CountTheRoll(Rolls::iterator rollI, Map* allowedMap)
                         roll->getLoot()->NotifyItemRemoved(roll->itemSlot);
                         roll->getLoot()->unlootedCount--;
                         AllowedLooterSet looters = item->GetAllowedLooters();
-                        player->StoreNewItem(dest, roll->itemid, true, item->randomPropertyId, looters);
+                        Item* _item = player->StoreNewItem(dest, roll->itemid, true, item->randomPropertyId, looters);
+                        sScriptMgr->OnGroupRollRewardItem(player, _item, _item->GetCount(), NEED, roll);
                         player->UpdateLootAchievements(item, roll->getLoot());
                     }
                     else
@@ -1516,7 +1517,8 @@ void Group::CountTheRoll(Rolls::iterator rollI, Map* allowedMap)
                             roll->getLoot()->NotifyItemRemoved(roll->itemSlot);
                             roll->getLoot()->unlootedCount--;
                             AllowedLooterSet looters = item->GetAllowedLooters();
-                            player->StoreNewItem(dest, roll->itemid, true, item->randomPropertyId, looters);
+                            Item* _item = player->StoreNewItem(dest, roll->itemid, true, item->randomPropertyId, looters);
+                            sScriptMgr->OnGroupRollRewardItem(player, _item, _item->GetCount(), GREED, roll);
                             player->UpdateLootAchievements(item, roll->getLoot());
                         }
                         else

src/server/game/Scripting/ScriptDefines/PlayerScript.cpp

@@ -590,6 +590,14 @@ void ScriptMgr::OnQuestRewardItem(Player* player, Item* item, uint32 count)
     });
 }
 
+void ScriptMgr::OnGroupRollRewardItem(Player* player, Item* item, uint32 count, RollVote voteType, Roll* roll)
+{
+    ExecuteScript<PlayerScript>([&](PlayerScript* script)
+    {
+        script->OnGroupRollRewardItem(player, item, count, voteType, roll);
+    });
+}
+
 void ScriptMgr::OnFirstLogin(Player* player)
 {
     ExecuteScript<PlayerScript>([&](PlayerScript* script)

src/server/game/Scripting/ScriptMgr.h

@@ -26,6 +26,7 @@
 #include "DBCStores.h"
 #include "DynamicObject.h"
 #include "GameEventMgr.h"
+#include "Group.h"
 #include "LFGMgr.h"
 #include "ObjectMgr.h"
 #include "PetDefines.h"
@@ -1172,6 +1173,9 @@ public:
     // After receiving item as a quest reward
     virtual void OnQuestRewardItem(Player* /*player*/, Item* /*item*/, uint32 /*count*/) { }
 
+    // After receiving item as a group roll reward
+    virtual void OnGroupRollRewardItem(Player* /*player*/, Item* /*item*/, uint32 /*count*/, RollVote /*voteType*/, Roll* /*roll*/) { }
+
     // After completed a quest
     [[nodiscard]] virtual bool OnBeforeQuestComplete(Player* /*player*/, uint32 /*quest_id*/) { return true; }
 
@@ -2244,6 +2248,7 @@ public: /* PlayerScript */
     void OnLootItem(Player* player, Item* item, uint32 count, ObjectGuid lootguid);
     void OnCreateItem(Player* player, Item* item, uint32 count);
     void OnQuestRewardItem(Player* player, Item* item, uint32 count);
+    void OnGroupRollRewardItem(Player* player, Item* item, uint32 count, RollVote voteType, Roll* roll);
     bool OnBeforePlayerQuestComplete(Player* player, uint32 quest_id);
     void OnQuestComputeXP(Player* player, Quest const* quest, uint32& xpValue);
     void OnBeforePlayerDurabilityRepair(Player* player, ObjectGuid npcGUID, ObjectGuid itemGUID, float& discountMod, uint8 guildBank);