fix(Scripts/Events): Implement headless horseman downscale (#360)

src/Bracket_1_19/Bracket_1_19_loader.cpp

@@ -7,6 +7,7 @@
 void AddSC_event_love_in_the_air_1_19();
 void AddSC_event_brewfest_1_19();
 void AddSC_event_midsummer_1_19();
+void AddSC_event_hallows_end_1_19();
 
 void AddBracket_1_19_Scripts()
 {
@@ -16,4 +17,5 @@ void AddBracket_1_19_Scripts()
     AddSC_event_love_in_the_air_1_19();
     AddSC_event_brewfest_1_19();
     AddSC_event_midsummer_1_19();
+    AddSC_event_hallows_end_1_19();
 }

src/Bracket_1_19/scripts/events/hallows_end.cpp

@@ -0,0 +1,83 @@
+/*
+ * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation; either version 3 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 Affero 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/>.
+ */
+
+#include "Player.h"
+#include "ScriptMgr.h"
+
+#include "ProgressionSystem.h"
+
+enum Misc
+{
+    MAP_SCARLET_MONASTERY = 189,
+
+    QUEST_HEADLESS_HORSEMAN = 50000,
+
+    NPC_HEADLESS_HORSEMAN   = 23682
+};
+
+class mod_progression_eventquest_playerscript : public PlayerScript
+{
+public:
+    mod_progression_eventquest_playerscript() : PlayerScript("mod_progression_eventquest_playerscript") { }
+
+    void OnMapChanged(Player* player)
+    {
+        if (player->GetMap()->GetId() == MAP_SCARLET_MONASTERY && sGameEventMgr->IsActiveEvent(12))
+        {
+            if (Quest const* quest = sObjectMgr->GetQuestTemplate(QUEST_HEADLESS_HORSEMAN))
+            {
+                if (player->CanTakeQuest(quest, false))
+                {
+                    player->AddQuestAndCheckCompletion(quest, nullptr);
+                }
+            }
+        }
+    }
+};
+
+class unit_headless_horseman_script : public UnitScript
+{
+public:
+    unit_headless_horseman_script() : UnitScript("unit_headless_horseman_script") { }
+
+    void OnUnitDeath(Unit* me, Unit* killer) override
+    {
+        if (me->GetEntry() != NPC_HEADLESS_HORSEMAN)
+        {
+            return;
+        }
+
+        if (killer->GetMap() && killer->GetMap()->IsDungeon())
+        {
+            killer->GetMap()->DoForAllPlayers([&](Player* player)
+            {
+                player->CompleteQuest(QUEST_HEADLESS_HORSEMAN);
+
+                if (Quest const* quest = sObjectMgr->GetQuestTemplate(QUEST_HEADLESS_HORSEMAN))
+                {
+                    player->RewardQuest(quest, 0, nullptr, true, true);
+                }
+            });
+        }
+    }
+};
+
+void AddSC_event_hallows_end_1_19()
+{
+    new mod_progression_eventquest_playerscript();
+    new unit_headless_horseman_script();
+}

src/Bracket_1_19/sql/world/progression_1_19_hallows_end.sql

@@ -0,0 +1,9 @@
+SET @QUESTID = 50000;
+SET @TITLE = 'The Time is Nigh!';
+DELETE FROM `quest_template` WHERE `ID` = @QUESTID;
+INSERT INTO `quest_template` (`ID`, `QuestType`, `QuestLevel`, `MinLevel`, `QuestSortID`, `QuestInfoID`, `SuggestedGroupNum`, `Flags`, `RewardItem1`, `RewardAmount1`, `LogTitle`, `LogDescription`, `QuestDescription`, `RequiredNpcOrGo1`, `RequiredNpcOrGoCount1`) VALUES
+(@QUESTID, 2, -1, 70, -22, 0, 5, 4096, 54516, 1, @TITLE, 'Venture into the Scarlet Monastery and put an end to the Headless Horseman\'s menace.', 'Slay the Headless Horseman', 23682, 1);
+
+DELETE FROM `item_loot_template` WHERE `entry` = 54516 AND `item` IN (49426, 49128, 49126);
+
+UPDATE `creature_template` SET `minlevel` = 70, `maxlevel` = 70 WHERE `entry` IN (23682, 23775,23694, 23545);

src/Bracket_80_1/sql/world/progression_1_19_hallows_end_down.sql

@@ -0,0 +1,12 @@
+SET @QUESTID = 50000;
+DELETE FROM `quest_template` WHERE `ID` = @QUESTID;
+
+DELETE FROM `item_loot_template` WHERE `entry` = 54516 AND `item` IN (49426, 49128, 49126);
+INSERT INTO `item_loot_template` (`Entry`, `Item`, `Reference`, `Chance`, `QuestRequired`, `LootMode`, `GroupId`, `MinCount`, `MaxCount`, `Comment`) VALUES
+(54516,49126,0,2,0,1,0,1,1,'Loot-Filled Pumpkin - The Horseman\'s Horrific Helm'),
+(54516,49128,0,2,0,1,0,1,1,'Loot-Filled Pumpkin - The Horseman\'s Baleful Blade'),
+(54516,49426,0,100,0,1,0,2,2,'Loot-Filled Pumpkin - Emblem of Frost');
+
+UPDATE `creature_template` SET `minlevel` = 80, `maxlevel` = 80 WHERE `entry` IN (23682, 23775,23694, 23545);
+
+