Scripts/Misc: Script Romantic Picnic Basket

- Fix achievement "Lonely?"
- Added spell_holiday.cpp for spells related with holidays scripts
- Closes #5116
❤️

src/server/scripts/Northrend/sholazar_basin.cpp

@@ -669,7 +669,7 @@ public:
 ## Quest The Lifewarden's Wrath
 ######*/
 
-enum Misc
+enum MiscLifewarden
 {
     NPC_PRESENCE = 28563, // Freya's Presence
     NPC_SABOTEUR = 28538, // Cultist Saboteur

src/server/scripts/Spells/CMakeLists.txt

@@ -23,6 +23,7 @@ set(scripts_STAT_SRCS
   Spells/spell_mage.cpp
   Spells/spell_paladin.cpp
   Spells/spell_item.cpp
+  Spells/spell_holiday.cpp
 )
 
 message("  -> Prepared: Spells")

src/server/scripts/Spells/spell_holiday.cpp

@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2008-2012 TrinityCore <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Spells used in holidays/game events that do not fit any other category.
+ * Scriptnames in this file should be prefixed with "spell_#holidayname_".
+ */
+
+#include "ScriptPCH.h"
+
+// 45102 Romantic Picnic
+
+enum SpellsPicnic
+{
+    SPELL_BASKET_CHECK = 45119, // Holiday - Valentine - Romantic Picnic Near Basket Check
+    SPELL_MEAL_PERIODIC = 45103, // Holiday - Valentine - Romantic Picnic Meal Periodic - effect dummy
+    SPELL_MEAL_EAT_VISUAL = 45120, // Holiday - Valentine - Romantic Picnic Meal Eat Visual
+    // SPELL_MEAL_PARTICLE = 45114, // Holiday - Valentine - Romantic Picnic Meal Particle - unused
+    SPELL_DRINK_VISUAL = 45121, // Holiday - Valentine - Romantic Picnic Drink Visual
+    SPELL_ROMANTIC_PICNIC_ACHIEV = 45123, // Romantic Picnic periodic = 5000
+};
+
+class spell_love_is_in_the_air_romantic_picnic : public SpellScriptLoader
+{
+public:
+    spell_love_is_in_the_air_romantic_picnic() : SpellScriptLoader("spell_love_is_in_the_air_romantic_picnic") { }
+
+    class spell_love_is_in_the_air_romantic_picnic_AuraScript : public AuraScript
+    {
+        PrepareAuraScript(spell_love_is_in_the_air_romantic_picnic_AuraScript);
+
+        void OnApply(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/)
+        {
+            if (Unit* target = GetTarget())
+            {
+                target->SetStandState(UNIT_STAND_STATE_SIT);
+                target->CastSpell(target, SPELL_MEAL_PERIODIC, false);
+            }
+        }
+
+        void OnPeriodic(AuraEffect const* /*aurEff*/)
+        {
+            // Every 5 seconds
+            if (Unit* target = GetTarget())
+            {
+                // If our player is no longer sit, remove all auras
+                if (target->getStandState() != UNIT_STAND_STATE_SIT)
+                {
+                    target->RemoveAura(SPELL_ROMANTIC_PICNIC_ACHIEV);
+                    target->RemoveAura(GetAura());
+                    return;
+                }
+
+                target->CastSpell(target, SPELL_BASKET_CHECK, false); // unknown use, it targets Romantic Basket
+                target->CastSpell(target, RAND(SPELL_MEAL_EAT_VISUAL, SPELL_DRINK_VISUAL), false);
+
+                bool foundSomeone = false;
+                // For nearby players, check if they have the same aura. If so, cast Romantic Picnic (45123)
+                // required by achievement and "hearts" visual
+                std::list<Player*> playerList;
+                Trinity::AnyPlayerInObjectRangeCheck checker(target, INTERACTION_DISTANCE*2);
+                Trinity::PlayerListSearcher<Trinity::AnyPlayerInObjectRangeCheck> searcher(target, playerList, checker);
+                target->VisitNearbyWorldObject(INTERACTION_DISTANCE*2, searcher);
+                for (std::list<Player*>::const_iterator itr = playerList.begin(); itr != playerList.end(); ++itr)
+                {
+                    if ((*itr) != target && (*itr)->HasAura(GetId())) // && (*itr)->getStandState() == UNIT_STAND_STATE_SIT)
+                    {
+                        GetCaster()->CastSpell(*itr, SPELL_ROMANTIC_PICNIC_ACHIEV, true);
+                        GetCaster()->CastSpell(target, SPELL_ROMANTIC_PICNIC_ACHIEV, true);
+                        foundSomeone = true;
+                        // break;
+                    }
+                }
+
+                if (!foundSomeone && target->HasAura(SPELL_ROMANTIC_PICNIC_ACHIEV))
+                    target->RemoveAura(SPELL_ROMANTIC_PICNIC_ACHIEV);
+            }
+        }
+
+        void Register()
+        {
+            AfterEffectApply += AuraEffectApplyFn(spell_love_is_in_the_air_romantic_picnic_AuraScript::OnApply, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY, AURA_EFFECT_HANDLE_REAL);
+            OnEffectPeriodic += AuraEffectPeriodicFn(spell_love_is_in_the_air_romantic_picnic_AuraScript::OnPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
+        }
+    };
+
+    AuraScript* GetAuraScript() const
+    {
+        return new spell_love_is_in_the_air_romantic_picnic_AuraScript();
+    }
+};
+
+void AddSC_holiday_spell_scripts()
+{
+    new spell_love_is_in_the_air_romantic_picnic();
+}