Core/Creatures: Added db fields to hold creature static flags

sql/updates/world/master/2023_06_18_00_world.sql

@@ -0,0 +1,9 @@
+ALTER TABLE `creature_template_difficulty` 
+  ADD `StaticFlags1` int unsigned NOT NULL DEFAULT 0 AFTER `GoldMax`,
+  ADD `StaticFlags2` int unsigned NOT NULL DEFAULT 0 AFTER `StaticFlags1`,
+  ADD `StaticFlags3` int unsigned NOT NULL DEFAULT 0 AFTER `StaticFlags2`,
+  ADD `StaticFlags4` int unsigned NOT NULL DEFAULT 0 AFTER `StaticFlags3`,
+  ADD `StaticFlags5` int unsigned NOT NULL DEFAULT 0 AFTER `StaticFlags4`,
+  ADD `StaticFlags6` int unsigned NOT NULL DEFAULT 0 AFTER `StaticFlags5`,
+  ADD `StaticFlags7` int unsigned NOT NULL DEFAULT 0 AFTER `StaticFlags6`,
+  ADD `StaticFlags8` int unsigned NOT NULL DEFAULT 0 AFTER `StaticFlags7`;

src/server/game/Entities/Creature/Creature.cpp

@@ -560,6 +560,8 @@ bool Creature::InitEntry(uint32 entry, CreatureData const* data /*= nullptr*/)
     for (uint8 i = 0; i < MAX_CREATURE_SPELLS; ++i)
         m_spells[i] = GetCreatureTemplate()->spells[i];
 
+    ApplyAllStaticFlags(m_creatureDifficulty->StaticFlags);
+
     _staticFlags.ApplyFlag(CREATURE_STATIC_FLAG_NO_XP, creatureInfo->type == CREATURE_TYPE_CRITTER
         || IsPet()
         || IsTotem()
@@ -683,6 +685,12 @@ bool Creature::UpdateEntry(uint32 entry, CreatureData const* data /*= nullptr*/,
     return true;
 }
 
+void Creature::ApplyAllStaticFlags(CreatureStaticFlagsHolder const& flags)
+{
+    // Apply all other side effects of flag changes
+    SetTemplateRooted(flags.HasFlag(CREATURE_STATIC_FLAG_SESSILE));
+}
+
 void Creature::Update(uint32 diff)
 {
     if (IsAIEnabled() && m_triggerJustAppeared && m_deathState != DEAD)

src/server/game/Entities/Creature/Creature.h

@@ -511,6 +511,8 @@ class TC_GAME_API Creature : public Unit, public GridObject<Creature>, public Ma
         time_t _lastDamagedTime; // Part of Evade mechanics
         CreatureTextRepeatGroup m_textRepeat;
 
+        void ApplyAllStaticFlags(CreatureStaticFlagsHolder const& flags);
+
         CreatureStaticFlagsHolder _staticFlags;
 
         // Regenerate health

src/server/game/Entities/Creature/CreatureData.h

@@ -477,6 +477,8 @@ struct CreatureDifficulty
     uint32 GoldMin;
     uint32 GoldMax;
 
+    CreatureStaticFlagsHolder StaticFlags;
+
     // Helpers
     int32 GetHealthScalingExpansion() const
     {

src/server/game/Globals/ObjectMgr.cpp

@@ -922,8 +922,15 @@ void ObjectMgr::LoadCreatureTemplateDifficulty()
 {
     uint32 oldMSTime = getMSTime();
 
-    //                                               0      1             2                     3                     4                5                       6               7             8              9               10                    11         12          13      14                15          16       17
-    QueryResult result = WorldDatabase.Query("SELECT Entry, DifficultyID, LevelScalingDeltaMin, LevelScalingDeltaMax, ContentTuningID, HealthScalingExpansion, HealthModifier, ManaModifier, ArmorModifier, DamageModifier, CreatureDifficultyID, TypeFlags, TypeFlags2, LootID, PickPocketLootID, SkinLootID, GoldMin, GoldMax FROM creature_template_difficulty ORDER BY Entry");
+    //                                               0      1             2                     3                     4                5
+    QueryResult result = WorldDatabase.Query("SELECT Entry, DifficultyID, LevelScalingDeltaMin, LevelScalingDeltaMax, ContentTuningID, HealthScalingExpansion, "
+    //   6               7             8              9               10                    11         12
+        "HealthModifier, ManaModifier, ArmorModifier, DamageModifier, CreatureDifficultyID, TypeFlags, TypeFlags2, "
+    //   13      14                15          16       17
+        "LootID, PickPocketLootID, SkinLootID, GoldMin, GoldMax,"
+    //   18            19            20            21            22            23            24            25
+        "StaticFlags1, StaticFlags2, StaticFlags3, StaticFlags4, StaticFlags5, StaticFlags6, StaticFlags7, StaticFlags8 "
+        "FROM creature_template_difficulty ORDER BY Entry");
 
     if (!result)
     {
@@ -963,6 +970,9 @@ void ObjectMgr::LoadCreatureTemplateDifficulty()
         creatureDifficulty.SkinLootID             = fields[15].GetUInt32();
         creatureDifficulty.GoldMin                = fields[16].GetUInt32();
         creatureDifficulty.GoldMax                = fields[17].GetUInt32();
+        creatureDifficulty.StaticFlags            = { CreatureStaticFlags(fields[18].GetUInt32()), CreatureStaticFlags2(fields[19].GetUInt32()),
+            CreatureStaticFlags3(fields[20].GetUInt32()), CreatureStaticFlags4(fields[21].GetUInt32()), CreatureStaticFlags5(fields[22].GetUInt32()),
+            CreatureStaticFlags6(fields[23].GetUInt32()), CreatureStaticFlags7(fields[24].GetUInt32()),  CreatureStaticFlags8(fields[25].GetUInt32()) };
 
         // TODO: Check if this still applies
         creatureDifficulty.DamageModifier *= Creature::_GetDamageMod(itr->second.rank);