Scripts/RagefireChasm: Implement Slagmaw encounter (#29989)

3 files changed, 167 insertions, 7 deletions

diff --git a/src/server/scripts/Kalimdor/RagefireChasm/boss_slagmaw.cpp b/src/server/scripts/Kalimdor/RagefireChasm/boss_slagmaw.cpp
new file mode 100644
index 00000000000..e3757130cc0
--- /dev/null
+++ b/src/server/scripts/Kalimdor/RagefireChasm/boss_slagmaw.cpp
@@ -0,0 +1,165 @@
+/*
+ * This file is part of the TrinityCore 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 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/>.
+ */
+
+#include "Containers.h"
+#include "InstanceScript.h"
+#include "ScriptMgr.h"
+#include "ScriptedCreature.h"
+#include "ragefire_chasm.h"
+
+enum SlagmawSpells
+{
+    SPELL_LAVA_SPIT             = 119434,
+    SPELL_MAGNAW_SUBMERGE       = 120384,
+    SPELL_MAGNAW_TELEPORT_NORTH = 119424, // Serverside
+    SPELL_MAGNAW_TELEPORT_EAST  = 119425, // Serverside
+    SPELL_MAGNAW_TELEPORT_SOUTH = 119426, // Serverside
+    SPELL_MAGNAW_TELEPORT_WEST  = 119428  // Serverside
+};
+
+enum SlagmawEvents
+{
+    EVENT_LAVA_SPIT       = 1,
+    EVENT_TELEPORT,
+    EVENT_EMERGE,
+    EVENT_BOUNDARY_CHECK,
+};
+
+std::array<uint32, 4> const SlagmawTeleportSpells =
+{
+    SPELL_MAGNAW_TELEPORT_NORTH,
+    SPELL_MAGNAW_TELEPORT_EAST,
+    SPELL_MAGNAW_TELEPORT_SOUTH,
+    SPELL_MAGNAW_TELEPORT_WEST
+};
+
+// 61463 - Slagmaw
+struct boss_slagmaw : public BossAI
+{
+    boss_slagmaw(Creature* creature) : BossAI(creature, BOSS_SLAGMAW), _lavaSpitCounter(0), _lastTeleportSpell(SPELL_MAGNAW_TELEPORT_WEST) { }
+
+    void Reset() override
+    {
+        _Reset();
+        _lavaSpitCounter = 0;
+        _lastTeleportSpell = SPELL_MAGNAW_TELEPORT_WEST;
+    }
+
+    void JustDied(Unit* /*killer*/) override
+    {
+        _JustDied();
+        instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
+    }
+
+    void EnterEvadeMode(EvadeReason /*why*/) override
+    {
+        _EnterEvadeMode();
+        _DespawnAtEvade();
+
+        instance->SendEncounterUnit(ENCOUNTER_FRAME_DISENGAGE, me);
+    }
+
+    void JustEngagedWith(Unit* who) override
+    {
+        BossAI::JustEngagedWith(who);
+
+        instance->SendEncounterUnit(ENCOUNTER_FRAME_ENGAGE, me, 1);
+
+        events.ScheduleEvent(EVENT_LAVA_SPIT, 1s);
+        events.ScheduleEvent(EVENT_BOUNDARY_CHECK, 2500ms);
+    }
+
+    void HandleSubmergePhase()
+    {
+        DoCastSelf(SPELL_MAGNAW_SUBMERGE);
+        _lavaSpitCounter = 0;
+
+        events.ScheduleEvent(EVENT_TELEPORT, 3s);
+    }
+
+    uint32 GetNextTeleportSpell()
+    {
+        std::array<uint32, 3> teleportSpells = { };
+        std::ranges::remove_copy(SlagmawTeleportSpells, teleportSpells.begin(), _lastTeleportSpell);
+        _lastTeleportSpell = Trinity::Containers::SelectRandomContainerElement(teleportSpells);
+        return _lastTeleportSpell;
+    }
+
+    void UpdateAI(uint32 diff) override
+    {
+        if (!UpdateVictim())
+            return;
+
+        events.Update(diff);
+
+        if (me->HasUnitState(UNIT_STATE_CASTING))
+            return;
+
+        switch (events.ExecuteEvent())
+        {
+            case EVENT_LAVA_SPIT:
+            {
+                if (_lavaSpitCounter < 5)
+                {
+                    if (Unit* target = SelectTarget(SelectTargetMethod::Random, 0))
+                    {
+                        DoCast(target, SPELL_LAVA_SPIT);
+                        _lavaSpitCounter++;
+                    }
+                    events.Repeat(1s);
+                    break;
+                }
+                else if (_lavaSpitCounter == 5)
+                {
+                    HandleSubmergePhase();
+                    break;
+                }
+                break;
+            }
+            case EVENT_TELEPORT:
+            {
+                DoCastSelf(GetNextTeleportSpell());
+                events.ScheduleEvent(EVENT_EMERGE, 1s);
+                break;
+            }
+            case EVENT_EMERGE:
+            {
+                me->RemoveAurasDueToSpell(SPELL_MAGNAW_SUBMERGE);
+                events.ScheduleEvent(EVENT_LAVA_SPIT, 1s);
+                break;
+            }
+            case EVENT_BOUNDARY_CHECK:
+            {
+                if (me->GetVictim()->GetDistance(me) > 50.0f)
+                    EnterEvadeMode(EvadeReason::Other);
+                events.ScheduleEvent(EVENT_BOUNDARY_CHECK, 2500ms);
+                break;
+            }
+            default:
+                break;
+        }
+    }
+
+private:
+    uint8 _lavaSpitCounter;
+    uint32 _lastTeleportSpell;
+};
+
+void AddSC_boss_slagmaw()
+{
+    RegisterRagefireChasmCreatureAI(boss_slagmaw);
+}
diff --git a/src/server/scripts/Kalimdor/RagefireChasm/instance_ragefire_chasm.cpp b/src/server/scripts/Kalimdor/RagefireChasm/instance_ragefire_chasm.cpp
index 2ea035a34fc..9c5dc1fcd21 100644
--- a/src/server/scripts/Kalimdor/RagefireChasm/instance_ragefire_chasm.cpp
+++ b/src/server/scripts/Kalimdor/RagefireChasm/instance_ragefire_chasm.cpp
@@ -15,16 +15,10 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "AreaBoundary.h"
 #include "ScriptMgr.h"
 #include "InstanceScript.h"
 #include "ragefire_chasm.h"
 
-BossBoundaryData const boundaries =
-{
-    { BOSS_SLAGMAW, new RectangleBoundary(-298.2f, -257.1f, 94.4f, 172.4f) }
-};
-
 ObjectData const creatureData[] =
 {
     { NPC_ADAROGG,               BOSS_ADAROGG               },
@@ -54,7 +48,6 @@ public:
             SetHeaders(DataHeader);
             SetBossNumber(EncounterCount);
             LoadObjectData(creatureData, nullptr);
-            LoadBossBoundaries(boundaries);
             LoadDungeonEncounterData(encounters);
         }
     };
diff --git a/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp b/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp
index 1799abb01e7..50c3cb20ee1 100644
--- a/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp
+++ b/src/server/scripts/Kalimdor/kalimdor_script_loader.cpp
@@ -65,6 +65,7 @@ void AddSC_instance_dragon_soul();
 // Ragefire Chasm
 void AddSC_boss_adarogg();
 void AddSC_boss_dark_shaman_koranthal();
+void AddSC_boss_slagmaw();
 void AddSC_boss_lava_guard_gordoth();
 void AddSC_instance_ragefire_chasm();
 // Maraudon
@@ -209,6 +210,7 @@ void AddKalimdorScripts()
     // Ragefire Chasm
     AddSC_boss_adarogg();
     AddSC_boss_dark_shaman_koranthal();
+    AddSC_boss_slagmaw();
     AddSC_boss_lava_guard_gordoth();
     AddSC_instance_ragefire_chasm();
     //Maraudon