From d015711fbb7a8bf57f7bb64ba8113c942d5125de Mon Sep 17 00:00:00 2001
From: Meji <alvaro.megias@outlook.com>
Date: Sun, 9 Jul 2023 11:59:35 +0200
Subject: Core/SAI: Implemented new source type SMART_SCRIPT_TYPE_EVENT (3)
 (#28816)

---
 src/server/game/Scripting/ScriptMgr.cpp | 28 +++++++++++++++++++++++++++-
 src/server/game/Scripting/ScriptMgr.h   | 18 ++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)

(limited to 'src/server/game/Scripting')

diff --git a/src/server/game/Scripting/ScriptMgr.cpp b/src/server/game/Scripting/ScriptMgr.cpp
index ea370b4efb4..1dfaa9aeb67 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -87,7 +87,7 @@ struct is_script_database_bound<AreaTriggerScript>
 
 template<>
 struct is_script_database_bound<BattlefieldScript>
-        : std::true_type { };
+    : std::true_type { };
 
 template<>
 struct is_script_database_bound<BattlegroundScript>
@@ -137,6 +137,10 @@ template<>
 struct is_script_database_bound<WorldStateScript>
     : std::true_type { };
 
+template<>
+struct is_script_database_bound<EventScript>
+    : std::true_type { };
+
 enum Spells
 {
     SPELL_HOTSWAP_VISUAL_SPELL_EFFECT = 40162 // 59084
@@ -2358,6 +2362,15 @@ void ScriptMgr::OnWorldStateValueChange(WorldStateTemplate const* worldStateTemp
     tmpscript->OnValueChange(worldStateTemplate->Id, oldValue, newValue, map);
 }
 
+// Event
+void ScriptMgr::OnEventTrigger(WorldObject* object, WorldObject* invoker, uint32 eventId)
+{
+    ASSERT(invoker);
+
+    GET_SCRIPT(EventScript, sObjectMgr->GetEventScriptId(eventId), tmpscript);
+    tmpscript->OnTrigger(object, invoker, eventId);
+}
+
 SpellScriptLoader::SpellScriptLoader(char const* name)
     : ScriptObject(name)
 {
@@ -3209,6 +3222,18 @@ void WorldStateScript::OnValueChange(int32 /*worldStateId*/, int32 /*oldValue*/,
 {
 }
 
+EventScript::EventScript(char const* name)
+    : ScriptObject(name)
+{
+    ScriptRegistry<EventScript>::Instance()->AddScript(this);
+}
+
+EventScript::~EventScript() = default;
+
+void EventScript::OnTrigger(WorldObject* /*object*/, WorldObject* /*invoker*/, uint32 /*eventId*/)
+{
+}
+
 // Specialize for each script type class like so:
 template class TC_GAME_API ScriptRegistry<SpellScriptLoader>;
 template class TC_GAME_API ScriptRegistry<ServerScript>;
@@ -3243,3 +3268,4 @@ template class TC_GAME_API ScriptRegistry<ConversationScript>;
 template class TC_GAME_API ScriptRegistry<SceneScript>;
 template class TC_GAME_API ScriptRegistry<QuestScript>;
 template class TC_GAME_API ScriptRegistry<WorldStateScript>;
+template class TC_GAME_API ScriptRegistry<EventScript>;
diff --git a/src/server/game/Scripting/ScriptMgr.h b/src/server/game/Scripting/ScriptMgr.h
index 631b5320cd6..f20652607b2 100644
--- a/src/server/game/Scripting/ScriptMgr.h
+++ b/src/server/game/Scripting/ScriptMgr.h
@@ -990,6 +990,20 @@ class TC_GAME_API WorldStateScript : public ScriptObject
         virtual void OnValueChange(int32 worldStateId, int32 oldValue, int32 newValue, Map const* map);
 };
 
+class TC_GAME_API EventScript : public ScriptObject
+{
+    protected:
+
+        explicit EventScript(char const* name);
+
+    public:
+
+        ~EventScript();
+
+        // Called when a game event is triggered
+        virtual void OnTrigger(WorldObject* object, WorldObject* invoker, uint32 eventId);
+};
+
 // Manages registration, loading, and execution of scripts.
 class TC_GAME_API ScriptMgr
 {
@@ -1296,6 +1310,10 @@ class TC_GAME_API ScriptMgr
 
         void OnWorldStateValueChange(WorldStateTemplate const* worldStateTemplate, int32 oldValue, int32 newValue, Map const* map);
 
+    public: /* EventScript */
+
+        void OnEventTrigger(WorldObject* object, WorldObject* invoker, uint32 eventId);
+
     private:
         uint32 _scriptCount;
         bool _scriptIdUpdated;
-- 
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