Core/SAI: Add new action SMART_ACTION_SET_HEALTH_PCT (#25932)

* Core/SAI: Add new action SMART_ACTION_SET_HEALTH_PCT

Add new action SMART_ACTION_SET_HEALTH_PCT (142) with one single parameter "percent" to set the Unit health.
Close #25317

* Do not allow 0%

(cherry picked from commit 7d6f7e4d19b298632deeb27830b876b12c490a03)

3 files changed, 57 insertions, 25 deletions

diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index 4df54896558..faaacb46d84 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -1650,15 +1650,19 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             break;
         }
         case SMART_ACTION_TRIGGER_TIMED_EVENT:
+        {
             ProcessEventsFor((SMART_EVENT)SMART_EVENT_TIMED_EVENT_TRIGGERED, nullptr, e.action.timeEvent.id);
 
             // remove this event if not repeatable
             if (e.event.event_flags & SMART_EVENT_FLAG_NOT_REPEATABLE)
                 mRemIDs.push_back(e.action.timeEvent.id);
             break;
+        }
         case SMART_ACTION_REMOVE_TIMED_EVENT:
+        {
             mRemIDs.push_back(e.action.timeEvent.id);
             break;
+        }
         case SMART_ACTION_OVERRIDE_SCRIPT_BASE_OBJECT:
         {
             for (WorldObject* target : targets)
@@ -1687,12 +1691,16 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             break;
         }
         case SMART_ACTION_RESET_SCRIPT_BASE_OBJECT:
+        {
             ResetBaseObject();
             break;
+        }
         case SMART_ACTION_CALL_SCRIPT_RESET:
+        {
             SetPhase(0);
             OnReset();
             break;
+        }
         case SMART_ACTION_SET_RANGED_MOVEMENT:
         {
             if (!IsSmart())
@@ -2374,7 +2382,6 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             ProcessEventsFor((SMART_EVENT)SMART_EVENT_TIMED_EVENT_TRIGGERED, nullptr, eventId);
             break;
         }
-
         case SMART_ACTION_REMOVE_ALL_GAMEOBJECTS:
         {
             for (WorldObject* const target : targets)
@@ -2446,6 +2453,17 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
 
             break;
         }
+        case SMART_ACTION_PLAY_CINEMATIC:
+        {
+            for (WorldObject* target : targets)
+            {
+                if (!IsPlayer(target))
+                    continue;
+
+                target->ToPlayer()->SendCinematicStart(e.action.cinematic.entry);
+            }
+            break;
+        }
         case SMART_ACTION_SET_MOVEMENT_SPEED:
         {
             uint32 speedInteger = e.action.movementSpeed.speedInteger;
@@ -2458,6 +2476,22 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
 
             break;
         }
+        case SMART_ACTION_PLAY_SPELL_VISUAL_KIT:
+        {
+            for (WorldObject* const target : targets)
+            {
+                if (IsUnit(target))
+                {
+                    target->ToUnit()->SendPlaySpellVisualKit(e.action.spellVisualKit.spellVisualKitId, e.action.spellVisualKit.kitType,
+                        e.action.spellVisualKit.duration);
+
+                    TC_LOG_DEBUG("scripts.ai", "SmartScript::ProcessAction:: SMART_ACTION_PLAY_SPELL_VISUAL_KIT: target: %s (%s), SpellVisualKit: %u",
+                        target->GetName().c_str(), target->GetGUID().ToString().c_str(), e.action.spellVisualKit.spellVisualKitId);
+                }
+            }
+
+            break;
+        }
         case SMART_ACTION_OVERRIDE_LIGHT:
         {
             if (WorldObject* obj = GetBaseObject())
@@ -2479,24 +2513,17 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
             break;
         }
         case SMART_ACTION_SET_HOVER:
+        {
             for (WorldObject* target : targets)
                 if (IsUnit(target))
                     target->ToUnit()->SetHover(e.action.setHover.enable != 0);
             break;
-        case SMART_ACTION_PLAY_SPELL_VISUAL_KIT:
+        }
+        case SMART_ACTION_SET_HEALTH_PCT:
         {
-            for (WorldObject* const target : targets)
-            {
-                if (IsUnit(target))
-                {
-                    target->ToUnit()->SendPlaySpellVisualKit(e.action.spellVisualKit.spellVisualKitId, e.action.spellVisualKit.kitType,
-                        e.action.spellVisualKit.duration);
-
-                    TC_LOG_DEBUG("scripts.ai", "SmartScript::ProcessAction:: SMART_ACTION_PLAY_SPELL_VISUAL_KIT: target: %s (%s), SpellVisualKit: %u",
-                        target->GetName().c_str(), target->GetGUID().ToString().c_str(), e.action.spellVisualKit.spellVisualKitId);
-                }
-            }
-
+            for (WorldObject* target : targets)
+                if (Unit* targetUnit = target->ToUnit())
+                    targetUnit->SetHealth(targetUnit->CountPctFromMaxHealth(e.action.setHealthPct.percent));
             break;
         }
         case SMART_ACTION_CREATE_CONVERSATION:
@@ -2517,17 +2544,6 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
 
             break;
         }
-        case SMART_ACTION_PLAY_CINEMATIC:
-        {
-            for (WorldObject* target : targets)
-            {
-                if (!IsPlayer(target))
-                    continue;
-
-                target->ToPlayer()->SendCinematicStart(e.action.cinematic.entry);
-            }
-            break;
-        }
         case SMART_ACTION_ADD_TO_STORED_TARGET_LIST:
         {
             if (!targets.empty())
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index d5ed7dfa597..4cc7bb8609b 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -1767,6 +1767,16 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
             TC_LOG_ERROR("sql.sql", "SmartAIMgr: Deprecated action_type(%u), event_type(%u), Entry " SI64FMTD " SourceType %u Event %u, skipped.", e.GetActionType(), e.GetEventType(), e.entryOrGuid, e.GetScriptType(), e.event_id);
             break;
         }
+        case SMART_ACTION_SET_HEALTH_PCT:
+        {
+            if (e.action.setHealthPct.percent > 100 || !e.action.setHealthPct.percent)
+            {
+                TC_LOG_ERROR("sql.sql", "SmartAIMgr: Entry " SI64FMTD " SourceType %u Event %u Action %u is trying to set invalid HP percent %u, skipped.",
+                    e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType(), e.action.setHealthPct.percent);
+                return false;
+            }
+            break;
+        }
         case SMART_ACTION_CREATE_CONVERSATION:
         {
             if (!sConversationDataStore->GetConversationTemplate(e.action.conversation.id))
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index a36c70743b1..2cdc6d41bb3 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -611,6 +611,7 @@ enum SMART_ACTION
     SMART_ACTION_OVERRIDE_WEATHER                   = 139,    // zoneId, weatherId, intensity
     SMART_ACTION_SET_AI_ANIM_KIT                    = 140,    // DEPRECATED, DO REUSE (it was never used in any branch, treat as free action id)
     SMART_ACTION_SET_HOVER                          = 141,    // 0/1
+    SMART_ACTION_SET_HEALTH_PCT                     = 142,    // percent
     SMART_ACTION_CREATE_CONVERSATION                = 143,    // conversation_template.id
     SMART_ACTION_SET_IMMUNE_PC                      = 144,    // 0/1
     SMART_ACTION_SET_IMMUNE_NPC                     = 145,    // 0/1
@@ -1248,6 +1249,11 @@ struct SmartAction
 
         struct
         {
+            uint32 percent;
+        } setHealthPct;
+
+        struct
+        {
             uint32 id;
         } conversation;