Core/Scripts: Add BGScripts and new hooks

* OnBattlegroudStart
* OnBattlegroudEndReward
* OnBattlegroudUpdate
* OnBattlegroudAddPlayer

src/server/game/Battlegrounds/Battleground.cpp

@@ -281,6 +281,8 @@ void Battleground::Update(uint32 diff)
     m_ResetStatTimer += diff;
 
     PostUpdateImpl(diff);
+
+    sScriptMgr->OnBattlegroudUpdate(this, diff);
 }
 
 inline void Battleground::_CheckSafePositions(uint32 diff)
@@ -581,6 +583,8 @@ inline void Battleground::_ProcessJoin(uint32 diff)
             // Announce BG starting
             if (sWorld->getBoolConfig(CONFIG_BATTLEGROUND_QUEUE_ANNOUNCER_ENABLE))
                 sWorld->SendWorldText(LANG_BG_STARTED_ANNOUNCE_WORLD, GetName(), std::min(GetMinLevel(), (uint32)80), std::min(GetMaxLevel(), (uint32)80));
+
+            sScriptMgr->OnBattlegroudStart(this);
         }
     }
 }
@@ -974,6 +978,8 @@ void Battleground::EndBattleground(TeamId winnerTeamId)
         uint32 loser_kills = player->GetRandomWinner() ? BG_REWARD_LOSER_HONOR_LAST : BG_REWARD_LOSER_HONOR_FIRST;
         uint32 winner_arena = player->GetRandomWinner() ? BG_REWARD_WINNER_ARENA_LAST : BG_REWARD_WINNER_ARENA_FIRST;
 
+        sScriptMgr->OnBattlegroudEndReward(this, player, winnerTeamId);
+
         // Reward winner team
         if (bgTeamId == winnerTeamId)
         {
@@ -1253,6 +1259,8 @@ void Battleground::AddPlayer(Player* player)
     PlayerAddedToBGCheckIfBGIsRunning(player);
     AddOrSetPlayerToCorrectBgGroup(player, teamId);
 
+    sScriptMgr->OnBattlegroudAddPlayer(this, player);
+
     // Log
 #if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
     sLog->outDetail("BATTLEGROUND: Player %s joined the battle.", player->GetName().c_str());

src/server/game/Scripting/ScriptMgr.cpp

@@ -57,6 +57,7 @@ template class ScriptRegistry<UnitScript>;
 template class ScriptRegistry<AllCreatureScript>;
 template class ScriptRegistry<AllMapScript>;
 template class ScriptRegistry<MovementHandlerScript>;
+template class ScriptRegistry<BGScript>;
 
 #include "ScriptMgrMacros.h"
 
@@ -207,6 +208,7 @@ void ScriptMgr::Unload()
     SCR_CLEAR(GroupScript);
     SCR_CLEAR(GlobalScript);
     SCR_CLEAR(ModuleScript);
+    SCR_CLEAR(BGScript);
 
     #undef SCR_CLEAR
 }
@@ -276,6 +278,7 @@ void ScriptMgr::CheckIfScriptsInDatabaseExist()
                 !ScriptRegistry<AchievementCriteriaScript>::GetScriptById(sid) &&
                 !ScriptRegistry<PlayerScript>::GetScriptById(sid) &&
                 !ScriptRegistry<GuildScript>::GetScriptById(sid) &&
+                !ScriptRegistry<BGScript>::GetScriptById(sid) &&
                 !ScriptRegistry<GroupScript>::GetScriptById(sid))
                 sLog->outErrorDb("Script named '%s' is assigned in database, but has no code!", (*itr).c_str());
         }
@@ -1960,6 +1963,27 @@ void ScriptMgr::OnAfterArenaRatingCalculation(Battleground *const bg, int32 &win
     FOREACH_SCRIPT(FormulaScript)->OnAfterArenaRatingCalculation(bg, winnerMatchmakerChange, loserMatchmakerChange, winnerChange, loserChange);
 }
 
+// BGScript
+void ScriptMgr::OnBattlegroudStart(Battleground* bg)
+{
+    FOREACH_SCRIPT(BGScript)->OnBattlegroudStart(bg);
+}
+
+void ScriptMgr::OnBattlegroudEndReward(Battleground* bg, Player* player, TeamId winnerTeamId)
+{
+    FOREACH_SCRIPT(BGScript)->OnBattlegroudEndReward(bg, player, winnerTeamId);
+}
+
+void ScriptMgr::OnBattlegroudUpdate(Battleground* bg, uint32 diff)
+{
+    FOREACH_SCRIPT(BGScript)->OnBattlegroudUpdate(bg, diff);
+}
+
+void ScriptMgr::OnBattlegroudAddPlayer(Battleground* bg, Player* player)
+{
+    FOREACH_SCRIPT(BGScript)->OnBattlegroudAddPlayer(bg, player);
+}
+
 AllMapScript::AllMapScript(const char* name)
     : ScriptObject(name)
 {
@@ -2135,6 +2159,12 @@ GlobalScript::GlobalScript(const char* name)
     ScriptRegistry<GlobalScript>::AddScript(this);
 }
 
+BGScript::BGScript(char const* name)
+    : ScriptObject(name)
+{
+    ScriptRegistry<BGScript>::AddScript(this);
+}
+
 ModuleScript::ModuleScript(const char* name)
     : ScriptObject(name)
 {

src/server/game/Scripting/ScriptMgr.h

@@ -1037,6 +1037,29 @@ class GlobalScript : public ScriptObject
         virtual void OnAfterUpdateEncounterState(Map* /*map*/, EncounterCreditType /*type*/,  uint32 /*creditEntry*/, Unit* /*source*/, Difficulty /*difficulty_fixed*/, DungeonEncounterList const* /*encounters*/, uint32 /*dungeonCompleted*/, bool /*updated*/) { }
 };
 
+class BGScript : public ScriptObject
+{
+protected:
+
+    BGScript(const char* name);
+
+public:
+
+    bool IsDatabaseBound() const { return false; }
+
+    // Start Battlegroud
+    virtual void OnBattlegroudStart(Battleground* /*bg*/) { }
+
+    // End Battleground
+    virtual void OnBattlegroudEndReward(Battleground* /*bg*/, Player* /*player*/, TeamId /*winnerTeamId*/) { }
+
+    // Update Battlegroud
+    virtual void OnBattlegroudUpdate(Battleground* /*bg*/, uint32 /*diff*/) { }
+
+    // Add Player in Battlegroud
+    virtual void OnBattlegroudAddPlayer(Battleground* /*bg*/, Player* /*player*/) { }
+};
+
 // this class can be used to be extended by Modules
 // creating their own custom hooks inside module itself
 class ModuleScript : public ScriptObject
@@ -1356,6 +1379,13 @@ class ScriptMgr
         //void OnPlayerEnterAll(Map* map, Player* player);
         //void OnPlayerLeaveAll(Map* map, Player* player);
 
+    public: /* BGScript */
+
+        void OnBattlegroudStart(Battleground* bg);
+        void OnBattlegroudEndReward(Battleground* bg, Player* player, TeamId winnerTeamId);
+        void OnBattlegroudUpdate(Battleground* bg, uint32 diff);
+        void OnBattlegroudAddPlayer(Battleground* bg, Player* player);
+
     private:
 
         uint32 _scriptCount;