Core/Scripts: Extended SMART_ACTION_SET_INST_DATA to also set BossStates. (#16739)

Scripts/Dire Maul: Initialize boss states array so it may be called from SmartAI. (Ref #6429)
(cherry picked from commit d1d0c64ad11cb3faf986a5332fec6b704fb8026c)

# Conflicts:
#	src/server/game/AI/SmartScripts/SmartScriptMgr.cpp

3 files changed, 34 insertions, 5 deletions

diff --git a/src/server/game/AI/SmartScripts/SmartScript.cpp b/src/server/game/AI/SmartScripts/SmartScript.cpp
index 500dfe0b627..dadce5baf54 100644
--- a/src/server/game/AI/SmartScripts/SmartScript.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScript.cpp
@@ -951,9 +951,21 @@ void SmartScript::ProcessAction(SmartScriptHolder& e, Unit* unit, uint32 var0, u
                 break;
             }
 
-            instance->SetData(e.action.setInstanceData.field, e.action.setInstanceData.data);
-            TC_LOG_DEBUG("scripts.ai", "SmartScript::ProcessAction: SMART_ACTION_SET_INST_DATA: Field: %u, data: %u",
-                e.action.setInstanceData.field, e.action.setInstanceData.data);
+            switch (e.action.setInstanceData.type)
+            {
+                case 0:
+                    instance->SetData(e.action.setInstanceData.field, e.action.setInstanceData.data);
+                    TC_LOG_DEBUG("scripts.ai", "SmartScript::ProcessAction: SMART_ACTION_SET_INST_DATA: SetData Field: %u, data: %u",
+                        e.action.setInstanceData.field, e.action.setInstanceData.data);
+                    break;
+                case 1:
+                    instance->SetBossState(e.action.setInstanceData.field, static_cast<EncounterState>(e.action.setInstanceData.data));
+                    TC_LOG_DEBUG("scripts.ai", "SmartScript::ProcessAction: SMART_ACTION_SET_INST_DATA: SetBossState BossId: %u, State: %u (%s)",
+                        e.action.setInstanceData.field, e.action.setInstanceData.data, InstanceScript::GetBossStateName(e.action.setInstanceData.data).c_str());
+                    break;
+                default: // Static analysis
+                    break;
+            }
             break;
         }
         case SMART_ACTION_SET_INST_DATA64:
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
index cea6b0fdd37..4461f5adb35 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.cpp
@@ -1157,6 +1157,23 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
             }
             break;
         }
+        case SMART_ACTION_SET_INST_DATA:
+        {
+            if (e.action.setInstanceData.type > 1)
+            {
+                TC_LOG_ERROR("sql.sql", "Entry %u SourceType %u Event %u Action %u uses invalid data type %u (value range 0-1), skipped.", e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType(), e.action.setInstanceData.type);
+                return false;
+            }
+            else if (e.action.setInstanceData.type == 1)
+            {
+                if (e.action.setInstanceData.data > TO_BE_DECIDED)
+                {
+                    TC_LOG_ERROR("sql.sql", "Entry %u SourceType %u Event %u Action %u uses invalid boss state %u (value range 0-5), skipped.", e.entryOrGuid, e.GetScriptType(), e.event_id, e.GetActionType(), e.action.setInstanceData.data);
+                    return false;
+                }
+            }
+            break;
+        }
         case SMART_ACTION_SET_INGAME_PHASE_ID:
         {
             uint32 phaseId = e.action.ingamePhaseId.id;
@@ -1210,7 +1227,6 @@ bool SmartAIMgr::IsEventValid(SmartScriptHolder& e)
         case SMART_ACTION_ATTACK_START:
         case SMART_ACTION_THREAT_ALL_PCT:
         case SMART_ACTION_THREAT_SINGLE_PCT:
-        case SMART_ACTION_SET_INST_DATA:
         case SMART_ACTION_SET_INST_DATA64:
         case SMART_ACTION_AUTO_ATTACK:
         case SMART_ACTION_ALLOW_COMBAT_MOVEMENT:
diff --git a/src/server/game/AI/SmartScripts/SmartScriptMgr.h b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
index f8502c92dc8..93a5f548700 100644
--- a/src/server/game/AI/SmartScripts/SmartScriptMgr.h
+++ b/src/server/game/AI/SmartScripts/SmartScriptMgr.h
@@ -470,7 +470,7 @@ enum SMART_ACTION
     SMART_ACTION_RANDOM_PHASE_RANGE                 = 31,     // PhaseMin, PhaseMax
     SMART_ACTION_RESET_GOBJECT                      = 32,     //
     SMART_ACTION_CALL_KILLEDMONSTER                 = 33,     // CreatureId,
-    SMART_ACTION_SET_INST_DATA                      = 34,     // Field, Data
+    SMART_ACTION_SET_INST_DATA                      = 34,     // Field, Data, Type (0 = SetData, 1 = SetBossState)
     SMART_ACTION_SET_INST_DATA64                    = 35,     // Field,
     SMART_ACTION_UPDATE_TEMPLATE                    = 36,     // Entry
     SMART_ACTION_DIE                                = 37,     // No Params
@@ -717,6 +717,7 @@ struct SmartAction
         {
             uint32 field;
             uint32 data;
+            uint32 type;
         } setInstanceData;
 
         struct