Core/BattlePets: Misc fixes (#27446)

* Added script for "Summon Battle Pet" spell (118301).
* Set the saved display of the battle pet when summoning it.
* If a summon has SummonPropertiesFlags::SummonFromBattlePetJournal it will remove NpcFlag UNIT_NPC_FLAG_WILD_BATTLE_PET (Wild battle pets).
* When a creature is summoned with SummonTitle::Companion, it will check to see if it has SummonPropertiesFlags::SummonFromBattlePetJournal before updating the battle pet's update fields. (If you have a summoned battle pet and summon a creature with that SummonTitle, it will incorrectly update the battle pet's update fields with the summoned battle pet's data).
* Implemented SummonPropertiesFlags::UseCreatureLevel. If a summon has this flag, it will use the owner's level (If the summon doesn't have SummonProperties it will always use the selected level).

1 files changed, 30 insertions, 0 deletions

diff --git a/src/server/scripts/Spells/spell_generic.cpp b/src/server/scripts/Spells/spell_generic.cpp
index 70a41f04a98..b0d1593e4f3 100644
--- a/src/server/scripts/Spells/spell_generic.cpp
+++ b/src/server/scripts/Spells/spell_generic.cpp
@@ -34,6 +34,7 @@
 #include "LFGMgr.h"
 #include "Log.h"
 #include "NPCPackets.h"
+#include "ObjectMgr.h"
 #include "Pet.h"
 #include "ReputationMgr.h"
 #include "SkillDiscovery.h"
@@ -4586,6 +4587,34 @@ class spell_defender_of_azeroth_speak_with_mograine : public SpellScript
     }
 };
 
+// 118301 - Summon Battle Pet
+class spell_summon_battle_pet : public SpellScript
+{
+    PrepareSpellScript(spell_summon_battle_pet);
+
+    void HandleSummon(SpellEffIndex effIndex)
+    {
+        uint32 creatureId = uint32(GetSpellValue()->EffectBasePoints[effIndex]);
+        if (sObjectMgr->GetCreatureTemplate(creatureId))
+        {
+            PreventHitDefaultEffect(effIndex);
+
+            Unit* caster = GetCaster();
+            SummonPropertiesEntry const* properties = sSummonPropertiesStore.LookupEntry(uint32(GetEffectInfo().MiscValueB));
+            uint32 duration = uint32(GetSpellInfo()->CalcDuration(caster));
+            Position pos = GetHitDest()->GetPosition();
+
+            if (Creature* summon = caster->GetMap()->SummonCreature(creatureId, pos, properties, duration, caster, GetSpellInfo()->Id))
+                summon->SetImmuneToAll(true);
+        }
+    }
+
+    void Register() override
+    {
+        OnEffectHit += SpellEffectFn(spell_summon_battle_pet::HandleSummon, EFFECT_0, SPELL_EFFECT_SUMMON);
+    }
+};
+
 void AddSC_generic_spell_scripts()
 {
     RegisterAuraScript(spell_gen_absorb0_hitlimit1);
@@ -4722,4 +4751,5 @@ void AddSC_generic_spell_scripts()
     RegisterAuraScript(spell_gen_impatient_mind);
     RegisterSpellScript(spell_defender_of_azeroth_death_gate_selector);
     RegisterSpellScript(spell_defender_of_azeroth_speak_with_mograine);
+    RegisterSpellScript(spell_summon_battle_pet);
 }